Merge

src/share/classes/java/dyn/CallSite.java

@@ -26,6 +26,9 @@
 package java.dyn;
 
 import sun.dyn.util.BytecodeName;
+import sun.dyn.Access;
+import sun.dyn.CallSiteImpl;
+import sun.dyn.MethodHandleImpl;
 
 /**
  * An {@code invokedynamic} call site, as reified by the
@@ -52,15 +55,25 @@ import sun.dyn.util.BytecodeName;
  * @see Linkage#registerBootstrapMethod(java.lang.Class, java.dyn.MethodHandle)
  * @author John Rose, JSR 292 EG
  */
-public class CallSite {
+public class CallSite
+        // Note: This is an implementation inheritance hack, and will be removed
+        // with a JVM change which moves the required hidden state onto this class.
+        extends CallSiteImpl
+{
+    private static final Access IMPL_TOKEN = Access.getToken();
+
+    /*
+
     // Fields used only by the JVM.  Do not use or change.
     private Object vmmethod;
     int callerMID, callerBCI;  // supplied by the JVM
 
-    MethodHandle target;
+    private MethodHandle target;
+
     final Object caller;  // usually a class
     final String name;
     final MethodType type;
+    */
 
     /**
      * Make a call site given the parameters from a call to the bootstrap method.
@@ -72,16 +85,21 @@ public class CallSite {
      * @param type the method handle type derived from descriptor of the {@code invokedynamic} instruction
      */
     public CallSite(Object caller, String name, MethodType type) {
-        this.caller = caller;
-        this.name = name;
-        this.type = type;
+        super(IMPL_TOKEN, caller, name, type);
     }
 
     private static void privateInitializeCallSite(CallSite site, int callerMID, int callerBCI) {
         site.callerMID = callerMID;
         site.callerBCI = callerBCI;
-        if (site.target == null)
-            site.setTarget(site.initialTarget());
+        site.ensureTarget();
+    }
+    private void ensureTarget() {
+        // Note use of super, which accesses the field directly,
+        // without deferring to possible subclass overrides.
+        if (super.getTarget() == null) {
+            super.setTarget(this.initialTarget());
+            super.getTarget().type();  // provoke NPE if still null
+        }
     }
 
     /**
@@ -102,10 +120,11 @@ public class CallSite {
 
     /**
      * Report the current linkage state of the call site.  (This is mutable.)
-     * The value maybe null only if the call site is currently unlinked.
-     * When a linked call site is invoked, the target method is used directly.
-     * When an unlinked call site is invoked, its bootstrap method receives
-     * the call, as if via {@link Linkage#bootstrapInvokeDynamic}.
+     * The value may not be null after the {@code CallSite} object is returned
+     * from the bootstrap method of the {@code invokedynamic} instruction.
+     * When an {@code invokedynamic} instruction is executed, the target method
+     * of its associated {@code call site} object is invoked directly,
+     * as if via {@link MethodHandle}{@code .invoke}.
      * <p>
      * The interactions of {@code getTarget} with memory are the same
      * as of a read from an ordinary variable, such as an array element or a
@@ -118,7 +137,7 @@ public class CallSite {
      * @see #setTarget
      */
     public MethodHandle getTarget() {
-        return target;
+        return super.getTarget();
     }
 
     /**
@@ -140,13 +159,13 @@ public class CallSite {
      */
     public void setTarget(MethodHandle target) {
         checkTarget(target);
-        this.target = target;
+        super.setTarget(target);
     }
 
     protected void checkTarget(MethodHandle target) {
         target.type();  // provoke NPE
         if (!canSetTarget(target))
-            throw new WrongMethodTypeException(String.valueOf(target));
+            throw new WrongMethodTypeException(String.valueOf(target)+target.type()+" should be of type "+type());
     }
 
     protected boolean canSetTarget(MethodHandle target) {
@@ -219,6 +238,10 @@ public class CallSite {
 
     @Override
     public String toString() {
-        return "CallSite#"+hashCode()+"["+name+type+" => "+target+"]";
+        return "CallSite#"+hashCode()+"["+name+type+" => "+getTarget()+"]";
     }
+
+    // Package-local constant:
+    static final MethodHandle GET_TARGET = MethodHandleImpl.getLookup(IMPL_TOKEN).
+            findVirtual(CallSite.class, "getTarget", MethodType.methodType(MethodHandle.class));
 }

src/share/classes/java/dyn/InvokeDynamic.java

@@ -45,6 +45,24 @@ package java.dyn;
  * class or interface supertype, or an object type; it can never be instantiated.
  * Logically, it denotes a source of all dynamically typed methods.
  * It may be viewed as a pure syntactic marker (an importable one) of static calls.
+ * <p>
+ * Here are some examples of usage:
+ * <p><blockquote><pre>
+ * Object x; String s; int i;
+ * x = InvokeDynamic.greet("world"); // greet(Ljava/lang/String;)Ljava/lang/Object;
+ * s = InvokeDynamic.&lt;String&gt;hail(x); // hail(Ljava/lang/Object;)Ljava/lang/String;
+ * InvokeDynamic.&lt;void&gt;cogito(); // cogito()V
+ * i = InvokeDynamic.&lt;int&gt;#"op:+"(2, 3); // "op:+"(II)I
+ * </pre></blockquote>
+ * Each of the above calls generates a single invokedynamic instruction
+ * with the name-and-type descriptors indicated in the comments.
+ * The argument types are taken directly from the actual arguments,
+ * while the return type is taken from the type parameter.
+ * (This type parameter may be a primtive, and it defaults to {@code Object}.)
+ * The final example uses a special syntax for uttering non-Java names.
+ * Any name legal to the JVM may be given between the double quotes.
+ * None of these calls is complete without a bootstrap method,
+ * which must be registered by the static initializer of the enclosing class.
  * @author John Rose, JSR 292 EG
  */
 public final class InvokeDynamic {

src/share/classes/java/dyn/InvokeDynamicBootstrapError.java

@@ -52,4 +52,16 @@ public class InvokeDynamicBootstrapError extends LinkageError {
     public InvokeDynamicBootstrapError(String s) {
         super(s);
     }
+
+    /**
+     * Constructs a {@code InvokeDynamicBootstrapError} with the specified
+     * detail message and cause.
+     *
+     * @param s the detail message.
+     * @param cause the cause.
+     */
+    public InvokeDynamicBootstrapError(String s, Throwable cause) {
+        super(s);
+        this.initCause(cause);
+    }
 }

src/share/classes/java/dyn/JavaMethodHandle.java

@@ -25,6 +25,8 @@
 
 package java.dyn;
 
+import sun.dyn.Access;
+
 /**
  * A Java method handle extends the basic method handle type with additional
  * programmer defined methods and fields.
@@ -39,31 +41,105 @@ package java.dyn;
  * of the entry point method handle, with the leading parameter type
  * omitted.
  * <p>
- * Here is an example of usage:
+ * Here is an example of usage, creating a hybrid object/functional datum:
  * <p><blockquote><pre>
  * class Greeter extends JavaMethodHandle {
- *         public void run() { System.out.println("hello, "+greetee); }
+ *     private String greeting = "hello";
+ *     public void setGreeting(String s) { greeting = s; }
+ *     public void run() { System.out.println(greeting+", "+greetee); }
  *     private final String greetee;
  *     Greeter(String greetee) {
- *             super(RUN);
+ *         super(RUN); // alternatively, super("run")
  *         this.greetee = greetee;
  *     }
  *     // the entry point function is computed once:
  *     private static final MethodHandle RUN
- *             = MethodHandles.findVirtual(MyMethodHandle.class, "run",
+ *         = MethodHandles.lookup().findVirtual(Greeter.class, "run",
  *               MethodType.make(void.class));
  * }
+ * // class Main { public static void main(String... av) { ...
  * Greeter greeter = new Greeter("world");
  * greeter.run();  // prints "hello, world"
+ * // Statically typed method handle invocation (most direct):
  * MethodHandle mh = greeter;
- *     mh.invoke();  // also prints "hello, world"
+ * mh.&lt;void&gt;invoke();  // also prints "hello, world"
+ * // Dynamically typed method handle invocation:
+ * MethodHandles.invoke(greeter);  // also prints "hello, world"
+ * greeter.setGreeting("howdy");
+ * mh.invoke();  // prints "howdy, world" (object-like mutable behavior)
  * </pre></blockquote>
  * <p>
- * In this example, the method {@code run} provides the entry point.
+ * In the example of {@code Greeter}, the method {@code run} provides the entry point.
  * The entry point need not be a constant value; it may be independently
  * computed in each call to the constructor.  The entry point does not
- * even need to be a method on the Java method handle class, though
+ * even need to be a method on the {@code Greeter} class, though
  * that is the typical case.
+ * <p>
+ * The entry point may also be provided symbolically, in which case the the
+ * {@code JavaMethodHandle} constructor performs the lookup of the entry point.
+ * This makes it possible to use {@code JavaMethodHandle} to create an anonymous
+ * inner class:
+ * <p><blockquote><pre>
+ * // We can also do this with symbolic names and/or inner classes:
+ * MethodHandles.invoke(new JavaMethodHandle("yow") {
+ *     void yow() { System.out.println("yow, world"); }
+ * });
+ * </pre></blockquote>
+ * <p>
+ * Here is similar lower-level code which works in terms of a bound method handle.
+ * <p><blockquote><pre>
+ *     class Greeter {
+ *         public void run() { System.out.println("hello, "+greetee); }
+ *         private final String greetee;
+ *         Greeter(String greetee) { this.greetee = greetee; }
+ *         // the entry point function is computed once:
+ *         private static final MethodHandle RUN
+ *             = MethodHandles.findVirtual(Greeter.class, "run",
+ *                   MethodType.make(void.class));
+ *     }
+ *     // class Main { public static void main(String... av) { ...
+ *     Greeter greeter = new Greeter("world");
+ *     greeter.run();  // prints "hello, world"
+ *     MethodHandle mh = MethodHanndles.insertArgument(Greeter.RUN, 0, greeter);
+ *     mh.invoke();  // also prints "hello, world"
+ * </pre></blockquote>
+ * Note that the method handle must be separately created as a view on the base object.
+ * This increases footprint, complexity, and dynamic indirections.
+ * <p>
+ * Here is a pure functional value expressed most concisely as an anonymous inner class:
+ * <p><blockquote><pre>
+ *     // class Main { public static void main(String... av) { ...
+ *     final String greetee = "world";
+ *     MethodHandle greeter = new JavaMethodHandle("run") {
+ *         private void run() { System.out.println("hello, "+greetee); }
+ *     }
+ *     greeter.invoke();  // prints "hello, world"
+ * </pre></blockquote>
+ * <p>
+ * Here is an abstract parameterized lvalue, efficiently expressed as a subtype of MethodHandle,
+ * and instantiated as an anonymous class.  The data structure is a handle to 1-D array,
+ * with a specialized index type (long).  It is created by inner class, and uses
+ * signature-polymorphic APIs throughout.
+ * <p><blockquote><pre>
+ *     abstract class AssignableMethodHandle extends JavaMethodHandle {
+ *       private final MethodHandle setter;
+ *       public MethodHandle setter() { return setter; }
+ *       public AssignableMethodHandle(String get, String set) {
+ *         super(get);
+ *         MethodType getType = this.type();
+ *         MethodType setType = getType.insertParameterType(getType.parameterCount(), getType.returnType()).changeReturnType(void.class);
+ *         this.setter = MethodHandles.publicLookup().bind(this, set, setType);
+ *       }
+ *     }
+ *     // class Main { public static void main(String... av) { ...
+ *     final Number[] stuff = { 123, 456 };
+ *     AssignableMethodHandle stuffPtr = new AssignableMethodHandle("get", "set") {
+ *         public Number get(long i)           { return stuff[(int)i]; }
+ *         public void   set(long i, Object x) {        stuff[(int)i] = x; }
+ *     }
+ *     int x = (Integer) stuffPtr.&lt;Number&gt;invoke(1L);  // 456
+ *     stuffPtr.setter().&lt;void&gt;invoke(0L, (Number) 789);  // replaces 123 with 789
+ * </pre></blockquote>
  * @see MethodHandle
  * @author John Rose, JSR 292 EG
  */
@@ -72,12 +148,87 @@ public abstract class JavaMethodHandle
         // with a JVM change which moves the required hidden behavior onto this class.
         extends sun.dyn.BoundMethodHandle
 {
+    private static final Access IMPL_TOKEN = Access.getToken();
+
     /**
-     * When creating a, pass in {@code entryPoint}, any method handle which
-     * can take the current object
-     * @param entryPoint
+     * When creating a {@code JavaMethodHandle}, the actual method handle
+     * invocation behavior will be delegated to the specified {@code entryPoint}.
+     * This may be any method handle which can take the newly constructed object
+     * as a leading parameter.
+     * <p>
+     * The method handle type of {@code this} (i.e, the fully constructed object)
+     * will be {@code entryPoint}, minus the leading argument.
+     * The leading argument will be bound to {@code this} on every method
+     * handle invocation.
+     * @param entryPoint the method handle to handle calls
      */
     protected JavaMethodHandle(MethodHandle entryPoint) {
-        super(entryPoint, 0);
+        super(entryPoint);
+    }
+
+    /**
+     * Create a method handle whose entry point is a non-static method
+     * visible in the exact (most specific) class of
+     * the newly constructed object.
+     * <p>
+     * The method is specified by name and type, as if via this expression:
+     * {@code MethodHandles.lookup().findVirtual(this.getClass(), name, type)}.
+     * The class defining the method might be an anonymous inner class.
+     * <p>
+     * The method handle type of {@code this} (i.e, the fully constructed object)
+     * will be the given method handle type.
+     * A call to {@code this} will invoke the selected method.
+     * The receiver argument will be bound to {@code this} on every method
+     * handle invocation.
+     * <p>
+     * <i>Rationale:</i>
+     * Although this constructor may seem to be a mere luxury,
+     * it is not subsumed by the more general constructor which
+     * takes any {@code MethodHandle} as the entry point argument.
+     * In order to convert an entry point name to a method handle,
+     * the self-class of the object is required (in order to do
+     * the lookup).  The self-class, in turn, is generally not
+     * available at the time of the constructor invocation,
+     * due to the rules of Java and the JVM verifier.
+     * One cannot call {@code this.getClass()}, because
+     * the value of {@code this} is inaccessible at the point
+     * of the constructor call.  (Changing this would require
+     * change to the Java language, verifiers, and compilers.)
+     * In particular, this constructor allows {@code JavaMethodHandle}s
+     * to be created in combination with the anonymous inner class syntax.
+     * @param entryPointName the name of the entry point method
+     * @param type (optional) the desired type of the method handle
+     */
+    protected JavaMethodHandle(String entryPointName, MethodType type) {
+        super(entryPointName, type, true);
+
+    }
+
+    /**
+     * Create a method handle whose entry point is a non-static method
+     * visible in the exact (most specific) class of
+     * the newly constructed object.
+     * <p>
+     * The method is specified only by name.
+     * There must be exactly one method of that name visible in the object class,
+     * either inherited or locally declared.
+     * (That is, the method must not be overloaded.)
+     * <p>
+     * The method handle type of {@code this} (i.e, the fully constructed object)
+     * will be the same as the type of the selected non-static method.
+     * The receiver argument will be bound to {@code this} on every method
+     * handle invocation.
+     * <p>ISSUE: This signature wildcarding feature does not correspond to
+     * any MethodHandles.Lookup API element.  Can we eliminate it?
+     * Alternatively, it is useful for naming non-overloaded methods.
+     * Shall we make type arguments optional in the Lookup methods,
+     * throwing an error in cases of ambiguity?
+     * <p>
+     * For this method's rationale, see the documentation
+     * for {@link #JavaMethodHandle(String,MethodType)}.
+     * @param entryPointName the name of the entry point method
+     */
+    protected JavaMethodHandle(String entryPointName) {
+        super(entryPointName, (MethodType) null, false);
     }
 }

src/share/classes/java/dyn/Linkage.java

@@ -25,7 +25,9 @@
 
 package java.dyn;
 
+import java.dyn.MethodHandles.Lookup;
 import java.util.WeakHashMap;
+import sun.dyn.Access;
 import sun.reflect.Reflection;
 import static sun.dyn.util.VerifyAccess.checkBootstrapPrivilege;
 
@@ -34,6 +36,8 @@ import static sun.dyn.util.VerifyAccess.checkBootstrapPrivilege;
  * @author John Rose, JSR 292 EG
  */
 public class Linkage {
+    private static final Access IMPL_TOKEN = Access.getToken();
+
     private Linkage() {}  // do not instantiate
 
     /**
@@ -53,19 +57,23 @@ public class Linkage {
      *     call to this method.
      * <li>The given class is already fully initialized.
      * <li>The given class is in the process of initialization, in another thread.
+     * <li>The same {@code CallSite} object has already been returned from
+     * a bootstrap method call to another {@code invokedynamic} call site.
      * </ul>
      * Because of these rules, a class may install its own bootstrap method in
      * a static initializer.
+     * @param callerClass a class that may have {@code invokedynamic} sites
+     * @param bootstrapMethod the method to use to bootstrap all such sites
      */
     public static
-    void registerBootstrapMethod(Class callerClass, MethodHandle mh) {
+    void registerBootstrapMethod(Class callerClass, MethodHandle bootstrapMethod) {
         Class callc = Reflection.getCallerClass(2);
         checkBootstrapPrivilege(callc, callerClass, "registerBootstrapMethod");
-        checkBSM(mh);
+        checkBSM(bootstrapMethod);
         synchronized (bootstrapMethods) {
             if (bootstrapMethods.containsKey(callerClass))
                 throw new IllegalStateException("bootstrap method already declared in "+callerClass);
-            bootstrapMethods.put(callerClass, mh);
+            bootstrapMethods.put(callerClass, bootstrapMethod);
         }
     }
 
@@ -88,8 +96,9 @@ public class Linkage {
     public static
     void registerBootstrapMethod(Class<?> runtime, String name) {
         Class callc = Reflection.getCallerClass(2);
+        Lookup lookup = new Lookup(IMPL_TOKEN, callc);
         MethodHandle bootstrapMethod =
-            MethodHandles.findStaticFrom(callc, runtime, name, BOOTSTRAP_METHOD_TYPE);
+            lookup.findStatic(runtime, name, BOOTSTRAP_METHOD_TYPE);
         // FIXME: exception processing wrong here
         checkBSM(bootstrapMethod);
         Linkage.registerBootstrapMethod(callc, bootstrapMethod);
@@ -106,8 +115,9 @@ public class Linkage {
     public static
     void registerBootstrapMethod(String name) {
         Class callc = Reflection.getCallerClass(2);
+        Lookup lookup = new Lookup(IMPL_TOKEN, callc);
         MethodHandle bootstrapMethod =
-            MethodHandles.findStaticFrom(callc, callc, name, BOOTSTRAP_METHOD_TYPE);
+            lookup.findStatic(callc, name, BOOTSTRAP_METHOD_TYPE);
         // FIXME: exception processing wrong here
         checkBSM(bootstrapMethod);
         Linkage.registerBootstrapMethod(callc, bootstrapMethod);
@@ -116,8 +126,7 @@ public class Linkage {
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
      * Report the bootstrap method registered for a given class.
-     * Returns null if the class has never yet registered a bootstrap method,
-     * or if the class has explicitly registered a null bootstrap method.
+     * Returns null if the class has never yet registered a bootstrap method.
      * Only callers privileged to set the bootstrap method may inquire
      * about it, because a bootstrap method is potentially a back-door entry
      * point into its class.
@@ -137,11 +146,11 @@ public class Linkage {
      * {@code (Class, String, MethodType)} returning a {@code CallSite}.
      */
     public static final MethodType BOOTSTRAP_METHOD_TYPE
-            = MethodType.make(CallSite.class,
+            = MethodType.methodType(CallSite.class,
                                     Class.class, String.class, MethodType.class);
 
     private static final MethodType OLD_BOOTSTRAP_METHOD_TYPE
-            = MethodType.make(Object.class,
+            = MethodType.methodType(Object.class,
                                     CallSite.class, Object[].class);
 
     private static final WeakHashMap<Class, MethodHandle> bootstrapMethods =
@@ -173,8 +182,8 @@ public class Linkage {
 
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Invalidate all <code>invokedynamic</code> call sites associated
-     * with the given class.
+     * Invalidate all <code>invokedynamic</code> call sites in the bytecodes
+     * of any methods of the given class.
      * (These are exactly those sites which report the given class
      * via the {@link CallSite#callerClass()} method.)
      * <p>

src/share/classes/java/dyn/LinkagePermission.java

@@ -88,7 +88,7 @@ public final class LinkagePermission extends BasicPermission {
     /**
      * Create a new LinkagePermission with the given name.
      * The name is the symbolic name of the LinkagePermission, such as
-     * "registerBootstrapMethod", "invalidateClass.*", etc. An asterisk
+     * "registerBootstrapMethod", "invalidateCallerClass.*", etc. An asterisk
      * may appear at the end of the name, following a ".", or by itself, to
      * signify a wildcard match.
      *

src/share/classes/java/dyn/MethodHandle.java

@@ -30,6 +30,9 @@ package java.dyn;
 import sun.dyn.Access;
 import sun.dyn.MethodHandleImpl;
 
+import static java.dyn.MethodHandles.invokers;  // package-private API
+import static sun.dyn.MemberName.newIllegalArgumentException;  // utility
+
 /**
  * A method handle is a typed reference to the entry point of a method.
  * <p>
@@ -45,8 +48,9 @@ import sun.dyn.MethodHandleImpl;
  * Every method handle appears as an object containing a method named
  * <code>invoke</code>, whose signature exactly matches
  * the method handle's type.
- * A normal Java method call (using the <code>invokevirtual</code> instruction)
- * can invoke this method from Java source code (if language support is present).
+ * A Java method call expression, which compiles to an
+ * <code>invokevirtual</code> instruction,
+ * can invoke this method from Java source code.
  * <p>
  * Every call to a method handle specifies an intended method type,
  * which must exactly match the type of the method handle.
@@ -57,6 +61,10 @@ import sun.dyn.MethodHandleImpl;
  * The call fails with a {@link WrongMethodTypeException}
  * if the method does not exist, even if there is an <code>invoke</code>
  * method of a closely similar signature.
+ * As with other kinds
+ * of methods in the JVM, signature matching during method linkage
+ * is exact, and does not allow for language-level implicit conversions
+ * such as {@code String} to {@code Object} or {@code short} to {@code int}.
  * <p>
  * A method handle is an unrestricted capability to call a method.
  * A method handle can be formed on a non-public method by a class
@@ -74,6 +82,15 @@ import sun.dyn.MethodHandleImpl;
  * (after resolving symbolic type names) must exactly match the method type
  * of the target method.
  * <p>
+ * Every <code>invoke</code> method always throws {@link Exception},
+ * which is to say that there is no static restriction on what a method handle
+ * can throw.  Since the JVM does not distinguish between checked
+ * and unchecked exceptions (other than by their class, of course),
+ * there is no particular effect on bytecode shape from ascribing
+ * checked exceptions to method handle invocations.  But in Java source
+ * code, methods which perform method handle calls must either explicitly
+ * throw {@code Exception}, or else must catch all checked exceptions locally.
+ * <p>
  * Bytecode in an extended JVM can directly obtain a method handle
  * for any accessible method from a <code>ldc</code> instruction
  * which refers to a <code>CONSTANT_Methodref</code> or
@@ -97,6 +114,59 @@ import sun.dyn.MethodHandleImpl;
  * can also be created.  These do not perform virtual lookup based on
  * receiver type.  Such a method handle simulates the effect of
  * an <code>invokespecial</code> instruction to the same method.
+ * <p>
+ * Here are some examples of usage:
+ * <p><blockquote><pre>
+ * Object x, y; String s; int i;
+ * MethodType mt; MethodHandle mh;
+ * MethodHandles.Lookup lookup = MethodHandles.lookup();
+ * // mt is {(char,char) =&gt; String}
+ * mt = MethodType.make(String.class, char.class, char.class);
+ * mh = lookup.findVirtual(String.class, "replace", mt);
+ * // (Ljava/lang/String;CC)Ljava/lang/String;
+ * s = mh.&lt;String&gt;invoke("daddy",'d','n');
+ * assert(s.equals("nanny"));
+ * // weakly typed invocation (using MHs.invoke)
+ * s = (String) MethodHandles.invoke(mh, "sappy", 'p', 'v');
+ * assert(s.equals("savvy"));
+ * // mt is {Object[] =&gt; List}
+ * mt = MethodType.make(java.util.List.class, Object[].class);
+ * mh = lookup.findStatic(java.util.Arrays.class, "asList", mt);
+ * // mt is {(Object,Object,Object) =&gt; Object}
+ * mt = MethodType.makeGeneric(3);
+ * mh = MethodHandles.collectArguments(mh, mt);
+ * // mt is {(Object,Object,Object) =&gt; Object}
+ * // (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
+ * x = mh.invoke((Object)1, (Object)2, (Object)3);
+ * assert(x.equals(java.util.Arrays.asList(1,2,3)));
+ * // mt is { =&gt; int}
+ * mt = MethodType.make(int.class);
+ * mh = lookup.findVirtual(java.util.List.class, "size", mt);
+ * // (Ljava/util/List;)I
+ * i = mh.&lt;int&gt;invoke(java.util.Arrays.asList(1,2,3));
+ * assert(i == 3);
+ * </pre></blockquote>
+ * Each of the above calls generates a single invokevirtual instruction
+ * with the name {@code invoke} and the type descriptors indicated in the comments.
+ * The argument types are taken directly from the actual arguments,
+ * while the return type is taken from the type parameter.
+ * (This type parameter may be a primitive, and it defaults to {@code Object}.)
+ * <p>
+ * <em>A note on generic typing:</em>  Method handles do not represent
+ * their function types in terms of Java parameterized (generic) types,
+ * because there are three mismatches between function types and parameterized
+ * Java types.
+ * <ol>
+ * <li>Method types range over all possible arities,
+ * from no arguments to an arbitrary number of arguments.
+ * Generics are not variadic, and so cannot represent this.</li>
+ * <li>Method types can specify arguments of primitive types,
+ * which Java generic types cannot range over.</li>
+ * <li>Higher order functions over method handles (combinators) are
+ * often generic across a wide range of function types, including
+ * those of multiple arities.  It is impossible to represent such
+ * genericity with a Java type parameter.</li>
+ * </ol>
  *
  * @see MethodType
  * @see MethodHandles
@@ -107,17 +177,19 @@ public abstract class MethodHandle
         // with a JVM change which moves the required hidden state onto this class.
         extends MethodHandleImpl
 {
-    // interface MethodHandle<T extends MethodType<R,A...>>
-    // { T type(); <R,A...> public R invoke(A...); }
+    private static Access IMPL_TOKEN = Access.getToken();
+
+    // interface MethodHandle<R throws X extends Exception,A...>
+    // { MethodType<R throws X,A...> type(); public R invoke(A...) throws X; }
 
-    final private MethodType type;
+    private MethodType type;
 
     /**
      * Report the type of this method handle.
      * Every invocation of this method handle must exactly match this type.
      * @return the method handle type
      */
-    public MethodType type() {
+    public final MethodType type() {
         return type;
     }
 
@@ -130,6 +202,369 @@ public abstract class MethodHandle
      */
     protected MethodHandle(Access token, MethodType type) {
         super(token);
+        Access.check(token);
         this.type = type;
     }
+
+    private void initType(MethodType type) {
+        type.getClass();  // elicit NPE
+        if (this.type != null)  throw new InternalError();
+        this.type = type;
+    }
+
+    static {
+        // This hack allows the implementation package special access to
+        // the internals of MethodHandle.  In particular, the MTImpl has all sorts
+        // of cached information useful to the implementation code.
+        MethodHandleImpl.setMethodHandleFriend(IMPL_TOKEN, new MethodHandleImpl.MethodHandleFriend() {
+            public void initType(MethodHandle mh, MethodType type) { mh.initType(type); }
+        });
+    }
+
+    /** The string of a direct method handle is the simple name of its target method.
+     * The string of an adapter or bound method handle is the string of its
+     * target method handle.
+     * The string of a Java method handle is the string of its entry point method,
+     * unless the Java method handle overrides the toString method.
+     */
+    @Override
+    public String toString() {
+        return MethodHandleImpl.getNameString(IMPL_TOKEN, this);
+    }
+
+    //// First draft of the "Method Handle Kernel API" discussed at the JVM Language Summit, 9/2009.
+    //// Implementations here currently delegate to statics in MethodHandles.  Some of those statics
+    //// will be deprecated.  Others will be kept as "algorithms" to supply degrees of freedom
+    //// not present in the Kernel API.
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Perform an exact invocation.  The signature at the call site of {@code invokeExact} must
+     * exactly match this method handle's {@code type}.
+     * No conversions are allowed on arguments or return values.
+     * <em>This is not yet implemented, pending required compiler and JVM support.</em>
+     */
+    public final <T> T invokeExact(Object... arguments) throws Throwable {
+        // This is an approximate implementation, which discards the caller's signature and refuses the call.
+        throw new InternalError("not yet implemented");
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Perform a generic invocation.  The signature at the call site of {@code invokeExact} must
+     * have the same arity as this method handle's {@code type}.
+     * The same conversions are allowed on arguments or return values as are supported by
+     * by {@link MethodHandles#convertArguments}.
+     * If the call site signature exactly matches this method handle's {@code type},
+     * the call proceeds as if by {@link #invokeExact}.
+     * <em>This is not fully implemented, pending required compiler and JVM support.</em>
+     */
+    // This is an approximate implementation, which discards the caller's signature.
+    // When it is made signature polymorphic, the overloadings will disappear.
+    public final <T> T invokeGeneric() throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this);
+    }
+    public final <T> T invokeGeneric(Object a0) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4, Object a5) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4, a5);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4, Object a5, Object a6) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4, a5, a6);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4, Object a5, Object a6, Object a7) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4, a5, a6, a7);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4, a5, a6, a7, a8);
+    }
+    public final <T> T invokeGeneric(Object a0, Object a1, Object a2, Object a3,
+                  Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable {
+        MethodHandle invoker = invokers(this.type()).genericInvoker();
+        return invoker.<T>invoke(this, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Perform a varargs invocation, passing the arguments in the given array
+     * to the method handle, as if via {@link #invokeGeneric} from a call site
+     * which mentions only the type {@code Object}, and whose arity is the length
+     * of the argument array.
+     * <p>
+     * The length of the arguments array must equal the parameter count
+     * of the target's type.
+     * The arguments array is spread into separate arguments.
+     * <p>
+     * In order to match the type of the target, the following argument
+     * conversions are applied as necessary:
+     * <ul>
+     * <li>reference casting
+     * <li>unboxing
+     * </ul>
+     * The following conversions are not applied:
+     * <ul>
+     * <li>primitive conversions (e.g., {@code byte} to {@code int}
+     * <li>varargs conversions other than the initial spread
+     * <li>any application-specific conversions (e.g., string to number)
+     * </ul>
+     * The result returned by the call is boxed if it is a primitive,
+     * or forced to null if the return type is void.
+     * <p>
+     * This call is equivalent to the following code:
+     * <p><blockquote><pre>
+     *   MethodHandle invoker = MethodHandles.genericInvoker(this.type(), 0, true);
+     *   Object result = invoker.invoke(this, arguments);
+     * </pre></blockquote>
+     * @param arguments the arguments to pass to the target
+     * @return the result returned by the target
+     * @see MethodHandles#genericInvoker
+     */
+    public final Object invokeVarargs(Object[] arguments) throws Throwable {
+        int argc = arguments == null ? 0 : arguments.length;
+        MethodType type = type();
+        if (argc <= 10) {
+            MethodHandle invoker = MethodHandles.invokers(type).genericInvoker();
+            switch (argc) {
+                case 0:  return invoker.invoke(this);
+                case 1:  return invoker.invoke(this,
+                                    arguments[0]);
+                case 2:  return invoker.invoke(this,
+                                    arguments[0], arguments[1]);
+                case 3:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2]);
+                case 4:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3]);
+                case 5:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4]);
+                case 6:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4], arguments[5]);
+                case 7:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4], arguments[5],
+                                    arguments[6]);
+                case 8:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4], arguments[5],
+                                    arguments[6], arguments[7]);
+                case 9:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4], arguments[5],
+                                    arguments[6], arguments[7], arguments[8]);
+                case 10:  return invoker.invoke(this,
+                                    arguments[0], arguments[1], arguments[2],
+                                    arguments[3], arguments[4], arguments[5],
+                                    arguments[6], arguments[7], arguments[8],
+                                    arguments[9]);
+            }
+        }
+
+        // more than ten arguments get boxed in a varargs list:
+        MethodHandle invoker = MethodHandles.invokers(type).varargsInvoker(0);
+        return invoker.invoke(this, arguments);
+    }
+    /** Equivalent to {@code invokeVarargs(arguments.toArray())}. */
+    public final Object invokeVarargs(java.util.List<?> arguments) throws Throwable {
+        return invokeVarargs(arguments.toArray());
+    }
+
+    /*  --- this is intentionally NOT a javadoc yet ---
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce an adapter method handle which adapts the type of the
+     * current method handle to a new type by pairwise argument conversion.
+     * The original type and new type must have the same number of arguments.
+     * The resulting method handle is guaranteed to confess a type
+     * which is equal to the desired new type.
+     * <p>
+     * If the original type and new type are equal, returns {@code this}.
+     * <p>
+     * The following conversions are applied as needed both to
+     * arguments and return types.  Let T0 and T1 be the differing
+     * new and old parameter types (or old and new return types)
+     * for corresponding values passed by the new and old method types.
+     * Given those types T0, T1, one of the following conversions is applied
+     * if possible:
+     * <ul>
+     * <li>If T0 and T1 are references, and T1 is not an interface type,
+     *     then a cast to T1 is applied.
+     *     (The types do not need to be related in any particular way.)
+     * <li>If T0 and T1 are references, and T1 is an interface type,
+     *     then the value of type T0 is passed as a T1 without a cast.
+     *     (This treatment of interfaces follows the usage of the bytecode verifier.)
+     * <li>If T0 and T1 are primitives, then a Java casting
+     *     conversion (JLS 5.5) is applied, if one exists.
+     * <li>If T0 and T1 are primitives and one is boolean,
+     *     the boolean is treated as a one-bit unsigned integer.
+     *     (This treatment follows the usage of the bytecode verifier.)
+     *     A conversion from another primitive type behaves as if
+     *     it first converts to byte, and then masks all but the low bit.
+     * <li>If T0 is a primitive and T1 a reference, a boxing
+     *     conversion is applied if one exists, possibly followed by
+     *     an reference conversion to a superclass.
+     *     T1 must be a wrapper class or a supertype of one.
+     *     If T1 is a wrapper class, T0 is converted if necessary
+     *     to T1's primitive type by one of the preceding conversions.
+     *     Otherwise, T0 is boxed, and its wrapper converted to T1.
+     * <li>If T0 is a reference and T1 a primitive, an unboxing
+     *     conversion is applied if one exists, possibly preceded by
+     *     a reference conversion to a wrapper class.
+     *     T0 must be a wrapper class or a supertype of one.
+     *     If T0 is a wrapper class, its primitive value is converted
+     *     if necessary to T1 by one of the preceding conversions.
+     *     Otherwise, T0 is converted directly to the wrapper type for T1,
+     *     which is then unboxed.
+     * <li>If the return type T1 is void, any returned value is discarded
+     * <li>If the return type T0 is void and T1 a reference, a null value is introduced.
+     * <li>If the return type T0 is void and T1 a primitive, a zero value is introduced.
+     * </ul>
+     * <p>
+     */
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce an adapter method handle which adapts the type of the
+     * current method handle to a new type by pairwise argument conversion.
+     * The original type and new type must have the same number of arguments.
+     * The resulting method handle is guaranteed to confess a type
+     * which is equal to the desired new type.
+     * <p>
+     * If the original type and new type are equal, returns {@code this}.
+     * <p>
+     * This method is equivalent to {@link MethodHandles#convertArguments}.
+     * @param newType the expected type of the new method handle
+     * @return a method handle which delegates to {@code this} after performing
+     *           any necessary argument conversions, and arranges for any
+     *           necessary return value conversions
+     * @throws IllegalArgumentException if the conversion cannot be made
+     * @see MethodHandles#convertArguments
+     */
+    public final MethodHandle asType(MethodType newType) {
+        return MethodHandles.convertArguments(this, newType);
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce a method handle which adapts, as its <i>target</i>,
+     * the current method handle.  The type of the adapter will be
+     * the same as the type of the target, except that all but the first
+     * {@code keepPosArgs} parameters of the target's type are replaced
+     * by a single array parameter of type {@code Object[]}.
+     * Thus, if {@code keepPosArgs} is zero, the adapter will take all
+     * arguments in a single object array.
+     * <p>
+     * When called, the adapter replaces a trailing array argument
+     * by the array's elements, each as its own argument to the target.
+     * (The order of the arguments is preserved.)
+     * They are converted pairwise by casting and/or unboxing
+     * (as if by {@link MethodHandles#convertArguments})
+     * to the types of the trailing parameters of the target.
+     * Finally the target is called.
+     * What the target eventually returns is returned unchanged by the adapter.
+     * <p>
+     * Before calling the target, the adapter verifies that the array
+     * contains exactly enough elements to provide a correct argument count
+     * to the target method handle.
+     * (The array may also be null when zero elements are required.)
+     * @param keepPosArgs the number of leading positional arguments to preserve
+     * @return a new method handle which spreads its final argument,
+     *         before calling the original method handle
+     * @throws IllegalArgumentException if target does not have at least
+     *         {@code keepPosArgs} parameter types
+     */
+    public final MethodHandle asSpreader(int keepPosArgs) {
+        MethodType oldType = type();
+        int nargs = oldType.parameterCount();
+        MethodType newType = oldType.dropParameterTypes(keepPosArgs, nargs);
+        newType = newType.insertParameterTypes(keepPosArgs, Object[].class);
+        return MethodHandles.spreadArguments(this, newType);
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce a method handle which adapts, as its <i>target</i>,
+     * the current method handle.  The type of the adapter will be
+     * the same as the type of the target, except that a single trailing
+     * array parameter of type {@code Object[]} is replaced by
+     * {@code spreadArrayArgs} parameters of type {@code Object}.
+     * <p>
+     * When called, the adapter replaces its trailing {@code spreadArrayArgs}
+     * arguments by a single new {@code Object} array, whose elements
+     * comprise (in order) the replaced arguments.
+     * Finally the target is called.
+     * What the target eventually returns is returned unchanged by the adapter.
+     * <p>
+     * (The array may also be a shared constant when {@code spreadArrayArgs} is zero.)
+     * @param spreadArrayArgs the number of arguments to spread from the trailing array
+     * @return a new method handle which collects some trailing argument
+     *         into an array, before calling the original method handle
+     * @throws IllegalArgumentException if the last argument of the target
+     *         is not {@code Object[]}
+     * @throws IllegalArgumentException if {@code spreadArrayArgs} is not
+     *         a legal array size
+     * @deprecated Provisional and unstable; use {@link MethodHandles#collectArguments}.
+     */
+    public final MethodHandle asCollector(int spreadArrayArgs) {
+        MethodType oldType = type();
+        int nargs = oldType.parameterCount();
+        MethodType newType = oldType.dropParameterTypes(nargs-1, nargs);
+        newType = newType.insertParameterTypes(nargs-1, MethodType.genericMethodType(spreadArrayArgs).parameterArray());
+        return MethodHandles.collectArguments(this, newType);
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce a method handle which binds the given argument
+     * to the current method handle as <i>target</i>.
+     * The type of the bound handle will be
+     * the same as the type of the target, except that a single leading
+     * reference parameter will be omitted.
+     * <p>
+     * When called, the bound handle inserts the given value {@code x}
+     * as a new leading argument to the target.  The other arguments are
+     * also passed unchanged.
+     * What the target eventually returns is returned unchanged by the bound handle.
+     * <p>
+     * The reference {@code x} must be convertible to the first parameter
+     * type of the target.
+     * @param x  the value to bind to the first argument of the target
+     * @return a new method handle which collects some trailing argument
+     *         into an array, before calling the original method handle
+     * @throws IllegalArgumentException if the target does not have a
+     *         leading parameter type that is a reference type
+     * @throws ClassCastException if {@code x} cannot be converted
+     *         to the leading parameter type of the target
+     * @deprecated Provisional and unstable; use {@link MethodHandles#insertArguments}.
+     */
+    public final MethodHandle bindTo(Object x) {
+        return MethodHandles.insertArguments(this, 0, x);
+    }
 }

src/share/classes/java/dyn/MethodHandles.java

@@ -34,6 +34,7 @@ import sun.dyn.util.Wrapper;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
+import java.util.List;
 import java.util.ArrayList;
 import java.util.Arrays;
 import sun.dyn.Invokers;
@@ -44,17 +45,14 @@ import static sun.dyn.MemberName.newNoAccessException;
 
 /**
  * Fundamental operations and utilities for MethodHandle.
+ * They fall into several categories:
+ * <ul>
+ * <li>Reifying methods and fields.  This is subject to access checks.
+ * <li>Invoking method handles on dynamically typed arguments and/or varargs arrays.
+ * <li>Combining or transforming pre-existing method handles into new ones.
+ * <li>Miscellaneous emulation of common JVM operations or control flow patterns.
+ * </ul>
  * <p>
- * <em>API Note:</em>  The matching of method types in this API cannot
- * be completely checked by Java's generic type system for three reasons:
- * <ol>
- * <li>Method types range over all possible arities,
- * from no arguments to an arbitrary number of arguments.
- * Generics are not variadic, and so cannot represent this.</li>
- * <li>Method types can specify arguments of primitive types,
- * which Java generic types cannot range over.</li>
- * <li>Method types can optionally specify varargs (ellipsis).</li>
- * </ol>
  * @author John Rose, JSR 292 EG
  */
 public class MethodHandles {
@@ -68,12 +66,22 @@ public class MethodHandles {
 
     //// Method handle creation from ordinary methods.
 
+    /** Create a {@link Lookup} lookup object on the caller.
+     *
+     */
     public static Lookup lookup() {
         return new Lookup();
     }
 
+    /** Version of lookup which is trusted minimally.
+     *  It can only be used to create method handles to
+     *  publicly accessible members.
+     */
+    public static Lookup publicLookup() {
+        return Lookup.PUBLIC_LOOKUP;
+    }
+
     /**
-     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
      * A factory object for creating method handles, when the creation
      * requires access checking.  Method handles do not perform
      * access checks when they are called; this is a major difference
@@ -121,7 +129,8 @@ public class MethodHandles {
         /** Which class is performing the lookup?  It is this class against
          *  which checks are performed for visibility and access permissions.
          *  <p>
-         *  This value is null if and only if this lookup is {@link #PUBLIC_LOOKUP}.
+         *  This value is null if and only if this lookup was produced
+         *  by {@link MethodHandles#publicLookup}.
          */
         public Class<?> lookupClass() {
             return lookupClass;
@@ -135,23 +144,46 @@ public class MethodHandles {
          * an access$N method.
          */
         Lookup() {
-            Class caller = getCallerClassAtEntryPoint();
-            // make sure we haven't accidentally picked up this class:
-            checkUnprivilegedlookupClass(caller);
-            this.lookupClass = caller;
+            this(IMPL_TOKEN, getCallerClassAtEntryPoint());
+        }
+
+        Lookup(Access token, Class<?> lookupClass) {
+            // make sure we haven't accidentally picked up a privileged class:
+            checkUnprivilegedlookupClass(lookupClass);
+            this.lookupClass = lookupClass;
+        }
+
+        /**
+         * Create a lookup on the specified class.
+         * The result is guaranteed to have no more access privileges
+         * than the original.
+         */
+        public Lookup in(Class<?> newLookupClass) {
+            if (this == PUBLIC_LOOKUP)  return PUBLIC_LOOKUP;
+            if (newLookupClass == null)  return PUBLIC_LOOKUP;
+            if (newLookupClass == lookupClass)  return this;
+            if (this != IMPL_LOOKUP) {
+                if (!VerifyAccess.isSamePackage(lookupClass, newLookupClass))
+                    throw newNoAccessException(new MemberName(newLookupClass), this);
+                checkUnprivilegedlookupClass(newLookupClass);
+            }
+            return new Lookup(newLookupClass);
         }
 
         private Lookup(Class<?> lookupClass) {
             this.lookupClass = lookupClass;
         }
 
+        // Make sure outer class is initialized first.
+        static { IMPL_TOKEN.getClass(); }
+
         private static final Class<?> PUBLIC_ONLY = sun.dyn.empty.Empty.class;
 
         /** Version of lookup which is trusted minimally.
          *  It can only be used to create method handles to
          *  publicly accessible members.
          */
-        public static final Lookup PUBLIC_LOOKUP = new Lookup(PUBLIC_ONLY);
+        static final Lookup PUBLIC_LOOKUP = new Lookup(PUBLIC_ONLY);
 
         /** Package-private version of lookup which is trusted. */
         static final Lookup IMPL_LOOKUP = new Lookup(null);
@@ -178,12 +210,16 @@ public class MethodHandles {
             // 0: Reflection.getCC, 1: getCallerClassAtEntryPoint,
             // 2: Lookup.<init>, 3: MethodHandles.*, 4: caller
             // Note:  This should be the only use of getCallerClass in this file.
+            assert(Reflection.getCallerClass(CALLER_DEPTH-1) == MethodHandles.class);
             return Reflection.getCallerClass(CALLER_DEPTH);
         }
 
         /**
          * Produce a method handle for a static method.
          * The type of the method handle will be that of the method.
+         * (Since static methods do not take receivers, there is no
+         * additional receiver argument inserted into the method handle type,
+         * as there would be with {@linkplain #findVirtual} or {@linkplain #findSpecial}.)
          * The method and all its argument types must be accessible to the lookup class.
          * If the method's class has not yet been initialized, that is done
          * immediately, before the method handle is returned.
@@ -196,10 +232,11 @@ public class MethodHandles {
          */
         public
         MethodHandle findStatic(Class<?> defc, String name, MethodType type) throws NoAccessException {
-            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type, Modifier.STATIC), true, lookupClass);
-            checkStatic(true, method, lookupClass);
+            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type, Modifier.STATIC), true, lookupClass());
+            VerifyAccess.checkName(method, this);
+            checkStatic(true, method, this);
             //throw NoSuchMethodException
-            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, lookupClass);
+            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, lookupClass());
         }
 
         /**
@@ -228,9 +265,10 @@ public class MethodHandles {
          * @exception NoAccessException if the method does not exist or access checking fails
          */
         public MethodHandle findVirtual(Class<?> defc, String name, MethodType type) throws NoAccessException {
-            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type), true, lookupClass);
-            checkStatic(false, method, lookupClass);
-            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, true, lookupClass);
+            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type), true, lookupClass());
+            VerifyAccess.checkName(method, this);
+            checkStatic(false, method, this);
+            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, true, lookupClass());
         }
 
         /**
@@ -259,15 +297,17 @@ public class MethodHandles {
          */
         public MethodHandle findSpecial(Class<?> defc, String name, MethodType type,
                                         Class<?> specialCaller) throws NoAccessException {
-            checkSpecialCaller(specialCaller, lookupClass);
-            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type), false, specialCaller);
-            checkStatic(false, method, lookupClass);
+            checkSpecialCaller(specialCaller, this);
+            Lookup slookup = this.in(specialCaller);
+            MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type), false, slookup.lookupClass());
+            VerifyAccess.checkName(method, this);
+            checkStatic(false, method, this);
             if (name.equals("<init>")) {
                 throw newNoAccessException("cannot directly invoke a constructor", method, null);
             } else if (defc.isInterface() || !defc.isAssignableFrom(specialCaller)) {
-                throw newNoAccessException("method must be in a superclass of lookup class", method, lookupClass);
+                throw newNoAccessException("method must be in a superclass of lookup class", method, slookup.lookupClass());
             }
-            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, specialCaller);
+            return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, slookup.lookupClass());
         }
 
         /**
@@ -275,13 +315,19 @@ public class MethodHandles {
          * The receiver must have a supertype {@code defc} in which a method
          * of the given name and type is accessible to the lookup class.
          * The method and all its argument types must be accessible to the lookup class.
-         * The type of the method handle will be that of the method.
-         * The given receiver will be bound into the method handle.
+         * The type of the method handle will be that of the method,
+         * without any insertion of an additional receiver parameter.
+         * The given receiver will be bound into the method handle,
+         * so that every call to the method handle will invoke the
+         * requested method on the given receiver.
          * <p>
-         * Equivalent to the following expression:
+         * This is equivalent to the following expression:
          * <code>
-         * {@link #insertArgument}({@link #findVirtual}(defc, name, type), receiver)
+         * {@link #insertArguments}({@link #findVirtual}(defc, name, type), receiver)
          * </code>
+         * where {@code defc} is either {@code receiver.getClass()} or a super
+         * type of that class, in which the requested method is accessible
+         * to the lookup class.
          * @param receiver the object from which the method is accessed
          * @param name the name of the method
          * @param type the type of the method, with the receiver argument omitted
@@ -292,16 +338,18 @@ public class MethodHandles {
         public MethodHandle bind(Object receiver, String name, MethodType type) throws NoAccessException {
             Class<? extends Object> rcvc = receiver.getClass(); // may get NPE
             MemberName reference = new MemberName(rcvc, name, type);
-            MemberName method = IMPL_NAMES.resolveOrFail(reference, true, lookupClass);
-            checkStatic(false, method, lookupClass);
-            MethodHandle dmh = MethodHandleImpl.findMethod(IMPL_TOKEN, method, true, lookupClass);
+            MemberName method = IMPL_NAMES.resolveOrFail(reference, true, lookupClass());
+            VerifyAccess.checkName(method, this);
+            checkStatic(false, method, this);
+            MethodHandle dmh = MethodHandleImpl.findMethod(IMPL_TOKEN, method, true, lookupClass());
             MethodHandle bmh = MethodHandleImpl.bindReceiver(IMPL_TOKEN, dmh, receiver);
             if (bmh == null)
-                throw newNoAccessException(method, lookupClass);
+                throw newNoAccessException(method, this);
             return bmh;
         }
 
         /**
+         * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
          * Make a direct method handle to <i>m</i>, if the lookup class has permission.
          * If <i>m</i> is non-static, the receiver argument is treated as an initial argument.
          * If <i>m</i> is virtual, overriding is respected on every call.
@@ -316,10 +364,11 @@ public class MethodHandles {
          * @exception NoAccessException if access checking fails
          */
         public MethodHandle unreflect(Method m) throws NoAccessException {
-            return unreflectImpl(new MemberName(m), m.isAccessible(), true, lookupClass);
+            return unreflectImpl(new MemberName(m), m.isAccessible(), true, false, this);
         }
 
         /**
+         * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
          * Produce a method handle for a reflected method.
          * It will bypass checks for overriding methods on the receiver,
          * as if by the {@code invokespecial} instruction.
@@ -333,37 +382,41 @@ public class MethodHandles {
          * @exception NoAccessException if access checking fails
          */
         public MethodHandle unreflectSpecial(Method m, Class<?> specialCaller) throws NoAccessException {
-            checkSpecialCaller(specialCaller, lookupClass);
+            checkSpecialCaller(specialCaller, this);
+            Lookup slookup = this.in(specialCaller);
             MemberName mname = new MemberName(m);
-            checkStatic(false, mname, lookupClass);
-            return unreflectImpl(mname, m.isAccessible(), false, specialCaller);
+            checkStatic(false, mname, this);
+            return unreflectImpl(mname, m.isAccessible(), false, false, slookup);
         }
 
         /**
+         * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
          * Produce a method handle for a reflected constructor.
-         * The type of the method handle will be that of the constructor.
+         * The type of the method handle will be that of the constructor,
+         * with the return type changed to the declaring class.
          * The method handle will perform a {@code newInstance} operation,
          * creating a new instance of the constructor's class on the
          * arguments passed to the method handle.
          * <p>
          * If the constructor's {@code accessible} flag is not set,
-         * access checking is performed immediately on behalf of the lookup class,
-         * as if {@code invokespecial} instruction were being linked.
+         * access checking is performed immediately on behalf of the lookup class.
          * @param ctor the reflected constructor
          * @return a method handle which can invoke the reflected constructor
          * @exception NoAccessException if access checking fails
          */
         public MethodHandle unreflectConstructor(Constructor ctor) throws NoAccessException {
             MemberName m = new MemberName(ctor);
-            return unreflectImpl(m, ctor.isAccessible(), false, lookupClass);
+            return unreflectImpl(m, ctor.isAccessible(), false, false, this);
         }
 
         /**
          * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
          * Produce a method handle giving read access to a reflected field.
          * The type of the method handle will have a return type of the field's
-         * value type.  Its sole argument will be the field's containing class
-         * (but only if it is non-static).
+         * value type.
+         * If the field is static, the method handle will take no arguments.
+         * Otherwise, its single argument will be the instance containing
+         * the field.
          * If the method's {@code accessible} flag is not set,
          * access checking is performed immediately on behalf of the lookup class.
          * @param f the reflected field
@@ -371,16 +424,18 @@ public class MethodHandles {
          * @exception NoAccessException if access checking fails
          */
         public MethodHandle unreflectGetter(Field f) throws NoAccessException {
-            return MethodHandleImpl.accessField(IMPL_TOKEN, new MemberName(f), false, lookupClass);
+            MemberName m = new MemberName(f);
+            return unreflectImpl(m, f.isAccessible(), false, false, this);
         }
 
         /**
          * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
          * Produce a method handle giving write access to a reflected field.
          * The type of the method handle will have a void return type.
-         * Its last argument will be the field's value type.
-         * Its other argument will be the field's containing class
-         * (but only if it is non-static).
+         * If the field is static, the method handle will take a single
+         * argument, of the field's value type, the value to be stored.
+         * Otherwise, the two arguments will be the instance containing
+         * the field, and the value to be stored.
          * If the method's {@code accessible} flag is not set,
          * access checking is performed immediately on behalf of the lookup class.
          * @param f the reflected field
@@ -388,59 +443,75 @@ public class MethodHandles {
          * @exception NoAccessException if access checking fails
          */
         public MethodHandle unreflectSetter(Field f) throws NoAccessException {
-            return MethodHandleImpl.accessField(IMPL_TOKEN, new MemberName(f), true, lookupClass);
+            MemberName m = new MemberName(f);
+            return unreflectImpl(m, f.isAccessible(), false, true, this);
         }
 
     }
 
     static /*must not be public*/
-    MethodHandle findStaticFrom(Class<?> lookupClass,
+    MethodHandle findStaticFrom(Lookup lookup,
                                 Class<?> defc, String name, MethodType type) throws NoAccessException {
-        MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type, Modifier.STATIC), true, lookupClass);
-        checkStatic(true, method, lookupClass);
-        return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, lookupClass);
+        MemberName method = IMPL_NAMES.resolveOrFail(new MemberName(defc, name, type, Modifier.STATIC), true, lookup.lookupClass());
+        VerifyAccess.checkName(method, lookup);
+        checkStatic(true, method, lookup);
+        return MethodHandleImpl.findMethod(IMPL_TOKEN, method, false, lookup.lookupClass());
     }
 
-    static void checkStatic(boolean wantStatic, MemberName m, Class<?> lookupClass) {
+    static void checkStatic(boolean wantStatic, MemberName m, Lookup lookup) {
         if (wantStatic != m.isStatic()) {
             String message = wantStatic ? "expected a static method" : "expected a non-static method";
-            throw newNoAccessException(message, m, lookupClass);
+            throw newNoAccessException(message, m, lookup.lookupClass());
         }
     }
 
-    static void checkSpecialCaller(Class<?> specialCaller, Class<?> lookupClass) {
-        if (lookupClass == Lookup.IMPL_LOOKUP.lookupClass())
+    static void checkSpecialCaller(Class<?> specialCaller, Lookup lookup) {
+        if (lookup == Lookup.IMPL_LOOKUP)
             return;  // privileged action
-        if (lookupClass == null ||  // public-only access
-            !VerifyAccess.isSamePackageMember(specialCaller, lookupClass))
-            throw newNoAccessException("no private access", new MemberName(specialCaller), lookupClass);
+        assert(lookup.lookupClass() != null);
+        if (!VerifyAccess.isSamePackageMember(specialCaller, lookup.lookupClass()))
+            throw newNoAccessException("no private access", new MemberName(specialCaller), lookup.lookupClass());
     }
 
     // Helper for creating handles on reflected methods and constructors.
     static MethodHandle unreflectImpl(MemberName m, boolean isAccessible,
-                                      boolean doDispatch, Class<?> lookupClass) {
-        MethodType mtype = m.getInvocationType();
+                                      boolean doDispatch, boolean isSetter, Lookup lookup) {
+        MethodType narrowMethodType = null;
         Class<?> defc = m.getDeclaringClass();
+        boolean isSpecialInvoke = m.isInvocable() && !doDispatch;
         int mods = m.getModifiers();
         if (m.isStatic()) {
             if (!isAccessible &&
-                    VerifyAccess.isAccessible(defc, mods, false, lookupClass) == null)
-                throw newNoAccessException(m, lookupClass);
+                    VerifyAccess.isAccessible(defc, mods, lookup.lookupClass(), false) == null)
+                throw newNoAccessException(m, lookup);
         } else {
             Class<?> constraint;
             if (isAccessible) {
                 // abbreviated access check for "unlocked" method
-                constraint = doDispatch ? defc : lookupClass;
+                constraint = doDispatch ? defc : lookup.lookupClass();
             } else {
-                constraint = VerifyAccess.isAccessible(defc, mods, doDispatch, lookupClass);
+                constraint = VerifyAccess.isAccessible(defc, mods, lookup.lookupClass(), isSpecialInvoke);
+            }
+            if (constraint == null) {
+                throw newNoAccessException(m, lookup);
             }
             if (constraint != defc && !constraint.isAssignableFrom(defc)) {
                 if (!defc.isAssignableFrom(constraint))
-                    throw newNoAccessException("receiver must be in caller class", m, lookupClass);
-                mtype = mtype.changeParameterType(0, constraint);
+                    throw newNoAccessException("receiver must be in caller class", m, lookup.lookupClass());
+                if (m.isInvocable())
+                    narrowMethodType = m.getInvocationType().changeParameterType(0, constraint);
+                else if (m.isField())
+                    narrowMethodType = (!isSetter
+                                        ? MethodType.methodType(m.getFieldType(), constraint)
+                                        : MethodType.methodType(void.class, constraint, m.getFieldType()));
             }
         }
-        return MethodHandleImpl.findMethod(IMPL_TOKEN, m, doDispatch, lookupClass);
+        if (m.isInvocable())
+            return MethodHandleImpl.findMethod(IMPL_TOKEN, m, doDispatch, lookup.lookupClass());
+        else if (m.isField())
+            return MethodHandleImpl.accessField(IMPL_TOKEN, m, isSetter, lookup.lookupClass());
+        else
+            throw new InternalError();
     }
 
     /**
@@ -472,138 +543,104 @@ public class MethodHandles {
         return MethodHandleImpl.accessArrayElement(IMPL_TOKEN, arrayClass, true);
     }
 
-
     /// method handle invocation (reflective style)
 
     /**
-     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Call the {@code invoke} method of a given method handle,
-     * with arguments that exactly match the parameter types of the method handle.
-     * The length of the arguments array must equal the parameter count
-     * of the target's type.
-     * The arguments array is spread into separate arguments, and
-     * basic reference and unboxing conversions are applied.
-     * <p>
-     * In order to match the type of the target, the following argument
-     * conversions are applied as necessary:
-     * <ul>
-     * <li>reference casting
-     * <li>unboxing
-     * </ul>
-     * The following conversions are not applied:
-     * <ul>
-     * <li>primitive conversions (e.g., {@code byte} to {@code int}
-     * <li>varargs conversions other than the initial spread
-     * <li>any application-specific conversions (e.g., string to number)
-     * </ul>
-     * The result returned by the call is boxed if it is a primitive,
-     * or forced to null if the return type is void.
-     * <p>
-     * This call is a convenience method for the following code:
-     * <pre>
-     *   MethodHandle invoker = MethodHandles.genericInvoker(target.type(), 0, true);
-     *   Object result = invoker.invoke(arguments);
-     * </pre>
-     * @param target the method handle to invoke
-     * @param arguments the arguments to pass to the target
-     * @return the result returned by the target
+     * @deprecated Alias for MethodHandle.invokeVarargs.
      */
+    @Deprecated
     public static
-    Object invoke(MethodHandle target, Object... arguments) {
-        int argc = arguments == null ? 0 : arguments.length;
-        MethodType type = target.type();
-        if (argc <= 4) {
-            MethodHandle invoker = invokers(type).genericInvoker();
-            switch (argc) {
-                case 0:  return invoker.<Object>invoke(target);
-                case 1:  return invoker.<Object>invoke(target,
-                                    arguments[0]);
-                case 2:  return invoker.<Object>invoke(target,
-                                    arguments[0], arguments[1]);
-                case 3:  return invoker.<Object>invoke(target,
-                                    arguments[0], arguments[1], arguments[2]);
-                case 4:  return invoker.<Object>invoke(target,
-                                    arguments[0], arguments[1], arguments[2], arguments[3]);
-            }
-        }
-        MethodHandle invoker = invokers(type).varargsInvoker();
-        return invoker.<Object>invoke(target, arguments);
+    Object invokeVarargs(MethodHandle target, Object... arguments) throws Throwable {
+        return target.invokeVarargs(arguments);
     }
 
+    /**
+     * @deprecated Alias for MethodHandle.invokeVarargs.
+     */
+    @Deprecated
     public static
-    Object invoke_0(MethodHandle target) {
-        MethodHandle invoker = invokers(target.type()).genericInvoker();
-        return invoker.<Object>invoke(target);
-    }
-    public static
-    Object invoke_1(MethodHandle target, Object a0) {
-        MethodHandle invoker = invokers(target.type()).genericInvoker();
-        return invoker.<Object>invoke(target, a0);
-    }
-    public static
-    Object invoke_2(MethodHandle target, Object a0, Object a1) {
-        MethodHandle invoker = invokers(target.type()).genericInvoker();
-        return invoker.<Object>invoke(target, a0, a1);
-    }
-    public static
-    Object invoke_3(MethodHandle target, Object a0, Object a1, Object a2) {
-        MethodHandle invoker = invokers(target.type()).genericInvoker();
-        return invoker.<Object>invoke(target, a0, a1, a2);
-    }
-    public static
-    Object invoke_4(MethodHandle target, Object a0, Object a1, Object a2, Object a3) {
-        MethodHandle invoker = invokers(target.type()).genericInvoker();
-        return invoker.<Object>invoke(target, a0, a1, a2, a3);
+    Object invoke(MethodHandle target, Object... arguments) throws Throwable {
+        return target.invokeVarargs(arguments);
     }
 
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Give a method handle which will invoke any method handle of the
+     * Produce a method handle which will invoke any method handle of the
      * given type on a standard set of {@code Object} type arguments.
-     * The the resulting invoker will be a method handle with the following
+     * The resulting invoker will be a method handle with the following
      * arguments:
      * <ul>
      * <li>a single {@code MethodHandle} target
-     * <li>zero or more {@code Object} values
-     * <li>an optional {@code Object[]} array containing more arguments
+     * <li>zero or more {@code Object} values (one for each argument in {@code type})
      * </ul>
-     * The invoker will spread the varargs array (if present), apply
-     * reference casts as necessary, and unbox primitive arguments.
+     * The invoker will apply reference casts as necessary and unbox primitive arguments,
+     * as if by {@link #convertArguments}.
      * The return value of the invoker will be an {@code Object} reference,
      * boxing a primitive value if the original type returns a primitive,
      * and always null if the original type returns void.
      * <p>
-     * This is a convenience method equivalent to the following code:
-     * <pre>
+     * This method is equivalent to the following code (though it may be more efficient):
+     * <p><blockquote><pre>
      * MethodHandle invoker = exactInvoker(type);
-     * MethodType genericType = MethodType.makeGeneric(objectArgCount, varargs);
+     * MethodType genericType = type.generic();
      * genericType = genericType.insertParameterType(0, MethodHandle.class);
-     * if (!varargs)
      * return convertArguments(invoker, genericType);
-     * else
-     *     return spreadArguments(invoker, genericType);
-     * </pre>
+     * </pre></blockquote>
+     * @param type the type of target methods which the invoker will apply to
+     * @return a method handle suitable for invoking any method handle of the given type
+     */
+    static public
+    MethodHandle genericInvoker(MethodType type) {
+        return invokers(type).genericInvoker();
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce a method handle which will invoke any method handle of the
+     * given type on a standard set of {@code Object} type arguments
+     * and a single trailing {@code Object[]} array.
+     * The resulting invoker will be a method handle with the following
+     * arguments:
+     * <ul>
+     * <li>a single {@code MethodHandle} target
+     * <li>zero or more {@code Object} values (counted by {@code objectArgCount})
+     * <li>an {@code Object[]} array containing more arguments
+     * </ul>
+     * The invoker will spread the varargs array, apply
+     * reference casts as necessary, and unbox primitive arguments.
+     * The return value of the invoker will be an {@code Object} reference,
+     * boxing a primitive value if the original type returns a primitive,
+     * and always null if the original type returns void.
+     * <p>
+     * This method is equivalent to the following code (though it may be more efficient):
+     * <p><blockquote><pre>
+     * MethodHandle invoker = exactInvoker(type);
+     * MethodType vaType = MethodType.makeGeneric(objectArgCount, true);
+     * vaType = vaType.insertParameterType(0, MethodHandle.class);
+     * return spreadArguments(invoker, vaType);
+     * </pre></blockquote>
      * @param type the desired target type
      * @param objectArgCount number of fixed (non-varargs) {@code Object} arguments
-     * @param varargs if true, the invoker will accept a final {@code Object[]} argument
      * @return a method handle suitable for invoking any method handle of the given type
      */
     static public
-    MethodHandle genericInvoker(MethodType type, int objectArgCount, boolean varargs) {
-        return invokers(type).genericInvoker();
+    MethodHandle varargsInvoker(MethodType type, int objectArgCount) {
+        if (objectArgCount < 0 || objectArgCount > type.parameterCount())
+            throw new IllegalArgumentException("bad argument count "+objectArgCount);
+        return invokers(type).varargsInvoker(objectArgCount);
     }
 
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Give a method handle which will take a invoke any method handle of the
+     * Produce a method handle which will take a invoke any method handle of the
      * given type.  The resulting invoker will have a type which is
      * exactly equal to the desired type, except that it will accept
      * an additional leading argument of type {@code MethodHandle}.
      * <p>
-     * This is a convenience method equivalent to the following code:
-     * <pre>
-     *     MethodHandles.lookup().findVirtual(MethodHandle.class, "invoke", type);
-     * </pre>
+     * This method is equivalent to the following code (though it may be more efficient):
+     * <p><blockquote><pre>
+     * lookup().findVirtual(MethodHandle.class, "invoke", type);
+     * </pre></blockquote>
      * @param type the desired target type
      * @return a method handle suitable for invoking any method handle of the given type
      */
@@ -612,7 +649,30 @@ public class MethodHandles {
         return invokers(type).exactInvoker();
     }
 
-    static private Invokers invokers(MethodType type) {
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Produce a method handle equivalent to an invokedynamic instruction
+     * which has been linked to the given call site.
+     * Along with {@link Lookup#findVirtual}, {@link Lookup#findStatic},
+     * and {@link Lookup#findSpecial}, this completes the emulation
+     * of the JVM's {@code invoke} instructions.
+     * <p>This method is equivalent to the following code:
+     * <p><blockquote><pre>
+     * MethodHandle getTarget, invoker, result;
+     * getTarget = lookup().bind(site, "getTarget", methodType(MethodHandle.class));
+     * invoker = exactInvoker(site.type());
+     * result = foldArguments(invoker, getTarget)
+     * </pre></blockquote>
+     * @return a method handle which always invokes the call site's target
+     */
+    public static
+    MethodHandle dynamicInvoker(CallSite site) {
+        MethodHandle getTarget = MethodHandleImpl.bindReceiver(IMPL_TOKEN, CallSite.GET_TARGET, site);
+        MethodHandle invoker = exactInvoker(site.type());
+        return foldArguments(invoker, getTarget);
+    }
+
+    static Invokers invokers(MethodType type) {
         return MethodTypeImpl.invokers(IMPL_TOKEN, type);
     }
 
@@ -688,14 +748,11 @@ public class MethodHandles {
     /// method handle modification (creation from other method handles)
 
     /**
-     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
      * Produce a method handle which adapts the type of the
-     * given method handle to a new type, by pairwise argument conversion,
-     * and/or varargs conversion.
-     * The original type and new type must have the same number of
-     * arguments, or else one or both them the must be varargs types.
+     * given method handle to a new type by pairwise argument conversion.
+     * The original type and new type must have the same number of arguments.
      * The resulting method handle is guaranteed to confess a type
-     * which is equal to the desired new type, with any varargs property erased.
+     * which is equal to the desired new type.
      * <p>
      * If the original type and new type are equal, returns target.
      * <p>
@@ -703,26 +760,15 @@ public class MethodHandles {
      * arguments and return types.  Let T0 and T1 be the differing
      * new and old parameter types (or old and new return types)
      * for corresponding values passed by the new and old method types.
-     * <p>
-     * If an ordinary (non-varargs) parameter of the new type is
-     * to be boxed in a varargs parameter of the old type of type T1[],
-     * then T1 is the element type of the varargs array.
-     * Otherwise, if a varargs parameter of the new type of type T0[]
-     * is to be spread into one or more outgoing old type parameters,
-     * then T0 is the element type of the
-     * If the new type is varargs and the old type is not, the varargs
-     * argument will be checked and must be a non-null array of exactly
-     * the right length.  If there are no parameters in the old type
-     * corresponding to the new varargs parameter, the varargs argument
-     * is also allowed to be null.
-     * <p>
      * Given those types T0, T1, one of the following conversions is applied
      * if possible:
      * <ul>
-     * <li>If T0 and T1 are references, then a cast to T2 is applied,
-     *     where T2 is Object if T1 is an interface, else T1.
-     *     (The types do not need to be related in any particular way.
-     *     The treatment of interfaces follows the usage of the bytecode verifier.)
+     * <li>If T0 and T1 are references, and T1 is not an interface type,
+     *     then a cast to T1 is applied.
+     *     (The types do not need to be related in any particular way.)
+     * <li>If T0 and T1 are references, and T1 is an interface type,
+     *     then the value of type T0 is passed as a T1 without a cast.
+     *     (This treatment of interfaces follows the usage of the bytecode verifier.)
      * <li>If T0 and T1 are primitives, then a Java casting
      *     conversion (JLS 5.5) is applied, if one exists.
      * <li>If T0 and T1 are primitives and one is boolean,
@@ -745,16 +791,17 @@ public class MethodHandles {
      *     if necessary to T1 by one of the preceding conversions.
      *     Otherwise, T0 is converted directly to the wrapper type for T1,
      *     which is then unboxed.
-     * <li>If T1 is void, any returned value is discarded
-     * <li>If T0 is void and T1 a reference, a null value is introduced.
-     * <li>If T0 is void and T1 a primitive, a zero value is introduced.
+     * <li>If the return type T1 is void, any returned value is discarded
+     * <li>If the return type T0 is void and T1 a reference, a null value is introduced.
+     * <li>If the return type T0 is void and T1 a primitive, a zero value is introduced.
      * </ul>
      * @param target the method handle to invoke after arguments are retyped
      * @param newType the expected type of the new method handle
      * @return a method handle which delegates to {@code target} after performing
      *           any necessary argument conversions, and arranges for any
      *           necessary return value conversions
-     * @throws WrongMethodTypeException if the conversion cannot be made
+     * @throws IllegalArgumentException if the conversion cannot be made
+     * @see MethodHandle#asType
      */
     public static
     MethodHandle convertArguments(MethodHandle target, MethodType newType) {
@@ -872,23 +919,17 @@ public class MethodHandles {
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
      * Produce a method handle which adapts the type of the
      * given method handle to a new type, by collecting a series of
-     * trailing arguments into an array.
-     * The resulting method handle is guaranteed to confess a type
-     * which is equal to the desired new type.
+     * trailing arguments as elements to a single argument array.
      * <p>
-     * This method is inverse to {@link #spreadArguments}.
+     * This method may be used as an inverse to {@link #spreadArguments}.
      * The final parameter type of the old type must be an array type T[],
      * which is the type of what is called the <i>spread</i> argument.
      * The trailing arguments of the new type which correspond to
      * the spread argument are all converted to type T and collected
      * into an array before the original method is called.
-     * <p>
-     * ISSUE: Unify this with combineArguments.  CollectArguments
-     * is combineArguments with (a) new Object[]{...} as a combiner,
-     * and (b) the combined arguments dropped, in favor of the combined result.
      * @param target the method handle to invoke after the argument is prepended
      * @param newType the expected type of the new method handle
-     * @return a new method handle which collects some trailings argument
+     * @return a new method handle which collects some trailing argument
      *         into an array, before calling the original method handle
      */
     public static
@@ -900,50 +941,72 @@ public class MethodHandles {
         int numCollect = (inargs - collectPos);
         if (collectPos < 0 || numCollect < 0)
             throw newIllegalArgumentException("wrong number of arguments");
-        return MethodHandleImpl.collectArguments(IMPL_TOKEN, target, newType, collectPos);
+        MethodHandle res = MethodHandleImpl.collectArguments(IMPL_TOKEN, target, newType, collectPos, null);
+        if (res == null) {
+            throw newIllegalArgumentException("cannot collect from "+newType+" to " +oldType);
+        }
+        return res;
     }
 
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Produce a method handle which calls the original method handle,
-     * after inserting the given argument at the given position.
-     * The type of the new method handle will drop the corresponding argument
-     * type from the original handle's type.
+     * Produce a method handle which calls the original method handle {@code target},
+     * after inserting the given argument(s) at the given position.
+     * The formal parameters to {@code target} which will be supplied by those
+     * arguments are called <em>bound parameters</em>, because the new method
+     * will contain bindings for those parameters take from {@code values}.
+     * The type of the new method handle will drop the types for the bound
+     * parameters from the original target type, since the new method handle
+     * will no longer require those arguments to be supplied by its callers.
      * <p>
-     * The given argument object must match the dropped argument type.
-     * If the dropped argument type is a primitive, the argument object
-     * must be a wrapper, and is unboxed to produce the primitive.
+     * Each given argument object must match the corresponding bound parameter type.
+     * If a bound parameter type is a primitive, the argument object
+     * must be a wrapper, and will be unboxed to produce the primitive value.
      * <p>
      * The  <i>pos</i> may range between zero and <i>N</i> (inclusively),
-     * where <i>N</i> is the number of argument types in <i>target</i>,
-     * meaning to insert the new argument as the first or last (respectively),
-     * or somewhere in between.
+     * where <i>N</i> is the number of argument types in resulting method handle
+     * (after bound parameter types are dropped).
      * @param target the method handle to invoke after the argument is inserted
      * @param pos where to insert the argument (zero for the first)
-     * @param value the argument to insert
+     * @param values the series of arguments to insert
      * @return a new method handle which inserts an additional argument,
      *         before calling the original method handle
      */
     public static
-    MethodHandle insertArgument(MethodHandle target, int pos, Object value) {
+    MethodHandle insertArguments(MethodHandle target, int pos, Object... values) {
+        int insCount = values.length;
         MethodType oldType = target.type();
         ArrayList<Class<?>> ptypes =
                 new ArrayList<Class<?>>(oldType.parameterList());
         int outargs = oldType.parameterCount();
-        int inargs  = outargs - 1;
-        if (pos < 0 || pos >= outargs)
+        int inargs  = outargs - insCount;
+        if (inargs < 0)
+            throw newIllegalArgumentException("too many values to insert");
+        if (pos < 0 || pos > inargs)
             throw newIllegalArgumentException("no argument type to append");
-        Class<?> valueType = ptypes.remove(pos);
+        MethodHandle result = target;
+        for (int i = 0; i < insCount; i++) {
+            Object value = values[i];
+            Class<?> valueType = oldType.parameterType(pos+i);
             value = checkValue(valueType, value);
             if (pos == 0 && !valueType.isPrimitive()) {
                 // At least for now, make bound method handles a special case.
-            // This lets us get by with minimal JVM support, at the expense
-            // of generating signature-specific adapters as Java bytecodes.
-            MethodHandle bmh = MethodHandleImpl.bindReceiver(IMPL_TOKEN, target, value);
-            if (bmh != null)  return bmh;
+                MethodHandle bmh = MethodHandleImpl.bindReceiver(IMPL_TOKEN, result, value);
+                if (bmh != null) {
+                    result = bmh;
+                    continue;
+                }
                 // else fall through to general adapter machinery
             }
-        return MethodHandleImpl.bindArgument(IMPL_TOKEN, target, pos, value);
+            result = MethodHandleImpl.bindArgument(IMPL_TOKEN, result, pos, value);
+        }
+        return result;
+    }
+
+    @Deprecated // "use MethodHandles.insertArguments instead"
+    public static
+    MethodHandle insertArgument(MethodHandle target, int pos, Object value) {
+        return insertArguments(target, pos, value);
     }
 
     /**
@@ -953,10 +1016,25 @@ public class MethodHandles {
      * The type of the new method handle will insert the given argument
      * type(s), at that position, into the original handle's type.
      * <p>
-     * The <i>pos</i> may range between zero and <i>N-1</i>,
+     * The <i>pos</i> may range between zero and <i>N</i>,
      * where <i>N</i> is the number of argument types in <i>target</i>,
      * meaning to drop the first or last argument (respectively),
      * or an argument somewhere in between.
+     * <p>
+     * <b>Example:</b>
+     * <p><blockquote><pre>
+     *   MethodHandle cat = MethodHandles.lookup().
+     *     findVirtual(String.class, "concat", String.class, String.class);
+     *   System.out.println(cat.&lt;String&gt;invoke("x", "y")); // xy
+     *   MethodHandle d0 = dropArguments(cat, 0, String.class);
+     *   System.out.println(d0.&lt;String&gt;invoke("x", "y", "z")); // xy
+     *   MethodHandle d1 = dropArguments(cat, 1, String.class);
+     *   System.out.println(d1.&lt;String&gt;invoke("x", "y", "z")); // xz
+     *   MethodHandle d2 = dropArguments(cat, 2, String.class);
+     *   System.out.println(d2.&lt;String&gt;invoke("x", "y", "z")); // yz
+     *   MethodHandle d12 = dropArguments(cat, 1, String.class, String.class);
+     *   System.out.println(d12.&lt;String&gt;invoke("w", "x", "y", "z")); // wz
+     * </pre></blockquote>
      * @param target the method handle to invoke after the argument is dropped
      * @param valueTypes the type(s) of the argument to drop
      * @param pos which argument to drop (zero for the first)
@@ -964,20 +1042,150 @@ public class MethodHandles {
      *         before calling the original method handle
      */
     public static
-    MethodHandle dropArguments(MethodHandle target, int pos, Class<?>... valueTypes) {
-        if (valueTypes.length == 0)  return target;
+    MethodHandle dropArguments(MethodHandle target, int pos, List<Class<?>> valueTypes) {
+        if (valueTypes.size() == 0)  return target;
         MethodType oldType = target.type();
         int outargs = oldType.parameterCount();
-        int inargs  = outargs + valueTypes.length;
+        int inargs  = outargs + valueTypes.size();
         if (pos < 0 || pos >= inargs)
             throw newIllegalArgumentException("no argument type to remove");
         ArrayList<Class<?>> ptypes =
                 new ArrayList<Class<?>>(oldType.parameterList());
-        ptypes.addAll(pos, Arrays.asList(valueTypes));
-        MethodType newType = MethodType.make(oldType.returnType(), ptypes);
+        ptypes.addAll(pos, valueTypes);
+        MethodType newType = MethodType.methodType(oldType.returnType(), ptypes);
         return MethodHandleImpl.dropArguments(IMPL_TOKEN, target, newType, pos);
     }
 
+    public static
+    MethodHandle dropArguments(MethodHandle target, int pos, Class<?>... valueTypes) {
+        return dropArguments(target, pos, Arrays.asList(valueTypes));
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Adapt a target method handle {@code target} by pre-processing
+     * one or more of its arguments, each with its own unary filter function,
+     * and then calling the target with each pre-processed argument
+     * replaced by the result of its corresponding filter function.
+     * <p>
+     * The pre-processing is performed by one or more method handles,
+     * specified in the non-null elements of the {@code filters} array.
+     * (If there are no such elements, the original target is returned.)
+     * Each filter (that is, each non-null element of {@code filters})
+     * is applied to the corresponding argument of the adapter.
+     * <p>
+     * If a filter {@code F} applies to the {@code N}th argument of
+     * the method handle, then {@code F} must be a method handle which
+     * takes exactly one argument.  The type of {@code F}'s sole argument
+     * replaces the corresponding argument type of the target
+     * in the resulting adapted method handle.
+     * The return type of {@code F} must be identical to the corresponding
+     * parameter type of the target.
+     * <p>
+     * It is an error if there are non-null elements of {@code filters}
+     * which do not correspond to argument positions in the target.
+     * The actual length of the target array may be any number, it need
+     * not be the same as the parameter count of the target type.
+     * (This provides an easy way to filter just the first argument or two
+     * of a target method handle.)
+     * <p> Here is pseudocode for the resulting adapter:
+     * <blockquote><pre>
+     * // there are N arguments in the A sequence
+     * T target(A[N]...);
+     * [i&lt;N] V[i] filter[i](B[i]) = filters[i] ?: identity;
+     * T adapter(B[N]... b) {
+     *   A[N] a...;
+     *   [i&lt;N] a[i] = filter[i](b[i]);
+     *   return target(a...);
+     * }
+     * </pre></blockquote>
+     * @param target the method handle to invoke after arguments are filtered
+     * @param filters method handles to call initially on filtered arguments
+     * @return method handle which incorporates the specified argument filtering logic
+     * @throws IllegalArgumentException if a non-null element of {@code filters}
+     *          does not match a corresponding argument type of {@code target}
+     */
+    public static
+    MethodHandle filterArguments(MethodHandle target, MethodHandle... filters) {
+        MethodType targetType = target.type();
+        MethodHandle adapter = target;
+        MethodType adapterType = targetType;
+        int pos = -1, maxPos = targetType.parameterCount();
+        for (MethodHandle filter : filters) {
+            pos += 1;
+            if (filter == null)  continue;
+            if (pos >= maxPos)
+                throw newIllegalArgumentException("too many filters");
+            MethodType filterType = filter.type();
+            if (filterType.parameterCount() != 1
+                || filterType.returnType() != targetType.parameterType(pos))
+                throw newIllegalArgumentException("target and filter types do not match");
+            adapterType = adapterType.changeParameterType(pos, filterType.parameterType(0));
+            adapter = MethodHandleImpl.filterArgument(IMPL_TOKEN, adapter, pos, filter);
+        }
+        MethodType midType = adapter.type();
+        if (midType != adapterType)
+            adapter = MethodHandleImpl.convertArguments(IMPL_TOKEN, adapter, adapterType, midType, null);
+        return adapter;
+    }
+
+    /**
+     * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
+     * Adapt a target method handle {@code target} by pre-processing
+     * some of its arguments, and then calling the target with
+     * the result of the pre-processing, plus all original arguments.
+     * <p>
+     * The pre-processing is performed by a second method handle, the {@code combiner}.
+     * The first {@code N} arguments passed to the adapter,
+     * are copied to the combiner, which then produces a result.
+     * (Here, {@code N} is defined as the parameter count of the adapter.)
+     * After this, control passes to the {@code target}, with both the result
+     * of the combiner, and all the original incoming arguments.
+     * <p>
+     * The first argument type of the target must be identical with the
+     * return type of the combiner.
+     * The resulting adapter is the same type as the target, except that the
+     * initial argument type of the target is dropped.
+     * <p>
+     * (Note that {@link #dropArguments} can be used to remove any arguments
+     * that either the {@code combiner} or {@code target} does not wish to receive.
+     * If some of the incoming arguments are destined only for the combiner,
+     * consider using {@link #collectArguments} instead, since those
+     * arguments will not need to be live on the stack on entry to the
+     * target.)
+     * <p>
+     * The first argument of the target must be identical with the
+     * return value of the combiner.
+     * <p> Here is pseudocode for the resulting adapter:
+     * <blockquote><pre>
+     * // there are N arguments in the A sequence
+     * T target(V, A[N]..., B...);
+     * V combiner(A...);
+     * T adapter(A... a, B... b) {
+     *   V v = combiner(a...);
+     *   return target(v, a..., b...);
+     * }
+     * </pre></blockquote>
+     * @param target the method handle to invoke after arguments are combined
+     * @param combiner method handle to call initially on the incoming arguments
+     * @return method handle which incorporates the specified argument folding logic
+     * @throws IllegalArgumentException if the first argument type of
+     *          {@code target} is not the same as {@code combiner}'s return type,
+     *          or if the next {@code foldArgs} argument types of {@code target}
+     *          are not identical with the argument types of {@code combiner}
+     */
+    public static
+    MethodHandle foldArguments(MethodHandle target, MethodHandle combiner) {
+        MethodType targetType = target.type();
+        MethodType combinerType = combiner.type();
+        int foldArgs = combinerType.parameterCount();
+        boolean ok = (targetType.parameterCount() >= 1 + foldArgs);
+        if (!ok)
+            throw misMatchedTypes("target and combiner types", targetType, combinerType);
+        MethodType newType = targetType.dropParameterTypes(0, 1);
+        return MethodHandleImpl.foldArguments(IMPL_TOKEN, target, newType, combiner);
+    }
+
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
      * Make a method handle which adapts a target method handle,
@@ -985,18 +1193,18 @@ public class MethodHandles {
      * If the guard fails, a fallback handle is called instead.
      * All three method handles must have the same corresponding
      * argument and return types, except that the return type
-     * of the test must be boolean.
+     * of the test must be boolean, and the test is allowed
+     * to have fewer arguments than the other two method handles.
      * <p> Here is pseudocode for the resulting adapter:
      * <blockquote><pre>
-     * signature T(A...);
      * boolean test(A...);
-     * T target(A...);
-     * T fallback(A...);
-     * T adapter(A... a) {
+     * T target(A...,B...);
+     * T fallback(A...,B...);
+     * T adapter(A... a,B... b) {
      *   if (test(a...))
-     *     return target(a...);
+     *     return target(a..., b...);
      *   else
-     *     return fallback(a...);
+     *     return fallback(a..., b...);
      * }
      * </pre></blockquote>
      * @param test method handle used for test, must return boolean
@@ -1011,10 +1219,23 @@ public class MethodHandles {
     MethodHandle guardWithTest(MethodHandle test,
                                MethodHandle target,
                                MethodHandle fallback) {
-        if (target.type() != fallback.type())
-            throw newIllegalArgumentException("target and fallback types do not match");
-        if (target.type().changeReturnType(boolean.class) != test.type())
-            throw newIllegalArgumentException("target and test types do not match");
+        MethodType gtype = test.type();
+        MethodType ttype = target.type();
+        MethodType ftype = fallback.type();
+        if (ttype != ftype)
+            throw misMatchedTypes("target and fallback types", ttype, ftype);
+        MethodType gtype2 = ttype.changeReturnType(boolean.class);
+        if (gtype2 != gtype) {
+            if (gtype.returnType() != boolean.class)
+                throw newIllegalArgumentException("guard type is not a predicate "+gtype);
+            int gpc = gtype.parameterCount(), tpc = ttype.parameterCount();
+            if (gpc < tpc) {
+                test = dropArguments(test, gpc, ttype.parameterList().subList(gpc, tpc));
+                gtype = test.type();
+            }
+            if (gtype2 != gtype)
+                throw misMatchedTypes("target and test types", ttype, gtype);
+        }
         /* {
             MethodHandle invoke = findVirtual(MethodHandle.class, "invoke", target.type());
             static MethodHandle choose(boolean z, MethodHandle t, MethodHandle f) {
@@ -1027,7 +1248,7 @@ public class MethodHandles {
             }
             // choose = \z.(z ? target : fallback)
             MethodHandle choose = findVirtual(MethodHandles.class, "choose",
-                    MethodType.make(boolean.class, MethodHandle.class, MethodHandle.class));
+                    MethodType.methodType(boolean.class, MethodHandle.class, MethodHandle.class));
             choose = appendArgument(choose, target);
             choose = appendArgument(choose, fallback);
             MethodHandle dispatch = compose(choose, test);
@@ -1038,67 +1259,88 @@ public class MethodHandles {
         return MethodHandleImpl.makeGuardWithTest(IMPL_TOKEN, test, target, fallback);
     }
 
+    static RuntimeException misMatchedTypes(String what, MethodType t1, MethodType t2) {
+        return newIllegalArgumentException(what + " must match: " + t1 + " != " + t2);
+    }
+
     /**
      * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
-     * Adapt a target method handle {@code target} by first processing
-     * its arguments, and then calling the target.
-     * The initial processing is performed by a second method handle, the {@code combiner}.
-     * After this, control passes to the {@code target}, with the same arguments.
-     * <p>
-     * The return value of the {@code combiner} is inserted into the argument list
-     * for the {@code target} at the indicated position {@code pos}, if it is non-negative.
-     * Except for this inserted argument (if any), the argument types of
-     * the target {@code target} and the {@code combiner} must be identical.
-     * <p>
-     * (Note that {@link #dropArguments} can be used to remove any arguments
-     * that either the {@code combiner} or {@code target} does not wish to receive.)
+     * Make a method handle which adapts a target method handle,
+     * by running it inside an exception handler.
+     * If the target returns normally, the adapter returns that value.
+     * If an exception matching the specified type is thrown, the fallback
+     * handle is called instead on the exception, plus the original arguments.
      * <p>
-     * The combiner handle must have the same argument types as the
-     * target handle, but must return {@link MethodHandle} instead of
-     * the ultimate return type.  The returned method handle, in turn,
-     * is required to have exactly the given final method type.
+     * The handler must have leading parameter of {@code exType} or a supertype,
+     * followed by arguments which correspond <em>(how? TBD)</em> to
+     * all the parameters of the target.
+     * The target and handler must return the same type.
      * <p> Here is pseudocode for the resulting adapter:
      * <blockquote><pre>
-     * signature V(A[pos]..., B...);
-     * signature T(A[pos]..., V, B...);
-     * T target(A... a, V v, B... b);
-     * V combiner(A..., B...);
-     * T adapter(A... a, B... b) {
-     *   V v = combiner(a..., b...);
-     *   return target(a..., v, b...);
+     * T target(A...);
+     * T handler(ExType, A...);
+     * T adapter(A... a) {
+     *   try {
+     *     return target(a...);
+     *   } catch (ExType ex) {
+     *     return handler(ex, a...);
+     *   }
      * }
      * </pre></blockquote>
-     * @param target the method handle to invoke after arguments are combined
-     * @param pos where the return value of {@code combiner} is to
-     *          be inserted as an argument to {@code target}
-     * @param combiner method handle to call initially on the incoming arguments
-     * @return method handle which incorporates the specified dispatch logic
-     * @throws IllegalArgumentException if {@code combiner} does not itself
-     *          return either void or the {@code pos}-th argument of {@code target},
-     *          or does not have the same argument types as {@code target}
-     *          (minus the inserted argument)
+     * @param target method handle to call
+     * @param exType the type of exception which the handler will catch
+     * @param handler method handle to call if a matching exception is thrown
+     * @return method handle which incorporates the specified try/catch logic
+     * @throws IllegalArgumentException if {@code handler} does not accept
+     *          the given exception type, or if the method handle types do
+     *          not match in their return types and their
+     *          corresponding parameters
      */
     public static
-    MethodHandle combineArguments(MethodHandle target, int pos, MethodHandle combiner) {
-        MethodType mhType = target.type();
-        Class<?> combineType = combiner.type().returnType();
-        MethodType incomingArgs;
-        if (pos < 0) {
-            // No inserted argument; target & combiner must have same argument types.
-            incomingArgs = mhType;
-            if (!incomingArgs.changeReturnType(combineType).equals(combiner.type()))
-                throw newIllegalArgumentException("target and combiner types do not match");
-        } else {
-            // Inserted argument.
-            if (pos >= mhType.parameterCount()
-                || mhType.parameterType(pos) != combineType)
-                throw newIllegalArgumentException("inserted combiner argument does not match target");
-            incomingArgs = mhType.dropParameterType(pos);
+    MethodHandle catchException(MethodHandle target,
+                                Class<? extends Throwable> exType,
+                                MethodHandle handler) {
+        MethodType targetType = target.type();
+        MethodType handlerType = handler.type();
+        boolean ok = (targetType.parameterCount() ==
+                      handlerType.parameterCount() - 1);
+//        for (int i = 0; ok && i < numExArgs; i++) {
+//            if (targetType.parameterType(i) != handlerType.parameterType(1+i))
+//                ok = false;
+//        }
+        if (!ok)
+            throw newIllegalArgumentException("target and handler types do not match");
+        return MethodHandleImpl.makeGuardWithCatch(IMPL_TOKEN, target, exType, handler);
+    }
+
+    /**
+     * Produce a method handle which will throw exceptions of the given {@code exType}.
+     * The method handle will accept a single argument of {@code exType},
+     * and immediately throw it as an exception.
+     * The method type will nominally specify a return of {@code returnType}.
+     * The return type may be anything convenient:  It doesn't matter to the
+     * method handle's behavior, since it will never return normally.
+     */
+    public static
+    MethodHandle throwException(Class<?> returnType, Class<? extends Throwable> exType) {
+        return MethodHandleImpl.throwException(IMPL_TOKEN, MethodType.methodType(returnType, exType));
     }
-        if (!incomingArgs.changeReturnType(combineType).equals(combiner.type())) {
-            throw newIllegalArgumentException("target and combiner types do not match");
+
+    /** Alias for {@link MethodType#methodType}. */
+    @Deprecated // "use MethodType.methodType instead"
+    public static MethodType methodType(Class<?> rtype) {
+        return MethodType.methodType(rtype);
     }
-        return MethodHandleImpl.combineArguments(IMPL_TOKEN, target, combiner, pos);
+
+    /** Alias for {@link MethodType#methodType}. */
+    @Deprecated // "use MethodType.methodType instead"
+    public static MethodType methodType(Class<?> rtype, Class<?> ptype) {
+        return MethodType.methodType(rtype, ptype);
     }
 
+    /** Alias for {@link MethodType#methodType}. */
+    @Deprecated // "use MethodType.methodType instead"
+    public static MethodType methodType(Class<?> rtype, Class<?> ptype0, Class<?>... ptypes) {
+        return MethodType.methodType(rtype, ptype0, ptypes);
+    }
 }

src/share/classes/java/dyn/MethodType.java

@@ -32,7 +32,7 @@ import java.util.List;
 import sun.dyn.Access;
 import sun.dyn.Invokers;
 import sun.dyn.MethodTypeImpl;
-import sun.dyn.util.BytecodeSignature;
+import sun.dyn.util.BytecodeDescriptor;
 import static sun.dyn.MemberName.newIllegalArgumentException;
 
 /**
@@ -63,7 +63,7 @@ class MethodType {
 
     static {
         // This hack allows the implementation package special access to
-        // the internals of MethodType.  In particular, the Form has all sorts
+        // the internals of MethodType.  In particular, the MTImpl has all sorts
         // of cached information useful to the implementation code.
         MethodTypeImpl.setMethodTypeFriend(IMPL_TOKEN, new MethodTypeImpl.MethodTypeFriend() {
             public Class<?>[] ptypes(MethodType mt)        { return mt.ptypes; }
@@ -114,51 +114,76 @@ class MethodType {
      * @throws IllegalArgumentException if any of the ptypes is void
      */
     public static
-    MethodType make(Class<?> rtype, Class<?>[] ptypes) {
+    MethodType methodType(Class<?> rtype, Class<?>[] ptypes) {
         return makeImpl(rtype, ptypes, false);
     }
+    @Deprecated public static
+    MethodType make(Class<?> rtype, Class<?>[] ptypes) {
+        return methodType(rtype, ptypes);
+    }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}. */
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}. */
     public static
+    MethodType methodType(Class<?> rtype, List<? extends Class<?>> ptypes) {
+        boolean notrust = false;  // random List impl. could return evil ptypes array
+        return makeImpl(rtype, ptypes.toArray(NO_PTYPES), notrust);
+    }
+    @Deprecated public static
     MethodType make(Class<?> rtype, List<? extends Class<?>> ptypes) {
-        return makeImpl(rtype, ptypes.toArray(NO_PTYPES), true);
+        return methodType(rtype, ptypes);
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      *  The leading parameter type is prepended to the remaining array.
      */
     public static
-    MethodType make(Class<?> rtype, Class<?> ptype0, Class<?>... ptypes) {
+    MethodType methodType(Class<?> rtype, Class<?> ptype0, Class<?>... ptypes) {
         Class<?>[] ptypes1 = new Class<?>[1+ptypes.length];
         ptypes1[0] = ptype0;
         System.arraycopy(ptypes, 0, ptypes1, 1, ptypes.length);
         return makeImpl(rtype, ptypes1, true);
     }
+    @Deprecated public static
+    MethodType make(Class<?> rtype, Class<?> ptype0, Class<?>... ptypes) {
+        return methodType(rtype, ptype0, ptypes);
+    }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      *  The resulting method has no parameter types.
      */
     public static
-    MethodType make(Class<?> rtype) {
+    MethodType methodType(Class<?> rtype) {
         return makeImpl(rtype, NO_PTYPES, true);
     }
+    @Deprecated public static
+    MethodType make(Class<?> rtype) {
+        return methodType(rtype);
+    }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      *  The resulting method has the single given parameter type.
      */
     public static
-    MethodType make(Class<?> rtype, Class<?> ptype0) {
+    MethodType methodType(Class<?> rtype, Class<?> ptype0) {
         return makeImpl(rtype, new Class<?>[]{ ptype0 }, true);
     }
+    @Deprecated public static
+    MethodType make(Class<?> rtype, Class<?> ptype0) {
+        return methodType(rtype, ptype0);
+    }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      *  The resulting method has the same parameter types as {@code ptypes},
      *  and the specified return type.
      */
     public static
-    MethodType make(Class<?> rtype, MethodType ptypes) {
+    MethodType methodType(Class<?> rtype, MethodType ptypes) {
         return makeImpl(rtype, ptypes.ptypes, true);
     }
+    @Deprecated public static
+    MethodType make(Class<?> rtype, MethodType ptypes) {
+        return methodType(rtype, ptypes);
+    }
 
     /**
      * Sole factory method to find or create an interned method type.
@@ -202,15 +227,16 @@ class MethodType {
     private static final MethodType[] objectOnlyTypes = new MethodType[20];
 
     /**
-     * Convenience method for {@link #make(java.lang.Class, java.lang.Class[], boolean)}.
-     * All parameters and the return type will be Object, except the final varargs parameter if any.
+     * Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
+     * All parameters and the return type will be {@code Object},
+     * except the final varargs parameter if any, which will be {@code Object[]}.
      * @param objectArgCount number of parameters (excluding the varargs parameter if any)
-     * @param varargs whether there will be a varargs parameter, of type Object[]
+     * @param varargs whether there will be a varargs parameter, of type {@code Object[]}
      * @return a totally generic method type, given only its count of parameters and varargs
-     * @see #makeGeneric(int)
+     * @see #genericMethodType(int)
      */
     public static
-    MethodType makeGeneric(int objectArgCount, boolean varargs) {
+    MethodType genericMethodType(int objectArgCount, boolean varargs) {
         MethodType mt;
         int ivarargs = (!varargs ? 0 : 1);
         int ootIndex = objectArgCount*2 + ivarargs;
@@ -227,19 +253,27 @@ class MethodType {
         }
         return mt;
     }
+    @Deprecated public static
+    MethodType makeGeneric(int objectArgCount, boolean varargs) {
+        return genericMethodType(objectArgCount, varargs);
+    }
 
     /**
      * All parameters and the return type will be Object.
      * @param objectArgCount number of parameters
      * @return a totally generic method type, given only its count of parameters
-     * @see #makeGeneric(int, boolean)
+     * @see #genericMethodType(int, boolean)
      */
     public static
+    MethodType genericMethodType(int objectArgCount) {
+        return genericMethodType(objectArgCount, false);
+    }
+    @Deprecated public static
     MethodType makeGeneric(int objectArgCount) {
-        return makeGeneric(objectArgCount, false);
+        return genericMethodType(objectArgCount);
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[], boolean)}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      * @param num    the index (zero-based) of the parameter type to change
      * @param nptype a new parameter type to replace the old one with
      * @return the same type, except with the selected parameter changed
@@ -251,11 +285,10 @@ class MethodType {
         return makeImpl(rtype, nptypes, true);
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[], boolean)}.
-     * @param num    the position (zero-based) of the inserted parameter type
-     * @param nptype a new parameter type to insert into the parameter list
-     * @return the same type, except with the selected parameter inserted
+    /** Convenience method for {@link #insertParameterTypes}.
+     * @deprecated Use {@link #insertParameterTypes} instead.
      */
+    @Deprecated
     public MethodType insertParameterType(int num, Class<?> nptype) {
         int len = ptypes.length;
         Class<?>[] nptypes = Arrays.copyOfRange(ptypes, 0, len+1);
@@ -264,23 +297,73 @@ class MethodType {
         return makeImpl(rtype, nptypes, true);
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[], boolean)}.
-     * @param num    the index (zero-based) of the parameter type to remove
-     * @return the same type, except with the selected parameter removed
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
+     * @param num    the position (zero-based) of the inserted parameter type(s)
+     * @param ptypesToInsert zero or more a new parameter types to insert into the parameter list
+     * @return the same type, except with the selected parameter(s) inserted
      */
-    public MethodType dropParameterType(int num) {
+    public MethodType insertParameterTypes(int num, Class<?>... ptypesToInsert) {
+        int len = ptypes.length;
+        if (num < 0 || num > len)
+            throw newIllegalArgumentException("num="+num); //SPECME
+        int ilen = ptypesToInsert.length;
+        if (ilen == 0)  return this;
+        Class<?>[] nptypes = Arrays.copyOfRange(ptypes, 0, len+ilen);
+        System.arraycopy(nptypes, num, nptypes, num+ilen, len-num);
+        System.arraycopy(ptypesToInsert, 0, nptypes, num, ilen);
+        return makeImpl(rtype, nptypes, true);
+    }
+
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
+     * @param num    the position (zero-based) of the inserted parameter type(s)
+     * @param ptypesToInsert zero or more a new parameter types to insert into the parameter list
+     * @return the same type, except with the selected parameter(s) inserted
+     */
+    public MethodType insertParameterTypes(int num, List<Class<?>> ptypesToInsert) {
+        return insertParameterTypes(num, ptypesToInsert.toArray(NO_PTYPES));
+    }
+
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
+     * @param start  the index (zero-based) of the first parameter type to remove
+     * @param end    the index (greater than {@code start}) of the first parameter type after not to remove
+     * @return the same type, except with the selected parameter(s) removed
+     */
+    public MethodType dropParameterTypes(int start, int end) {
         int len = ptypes.length;
+        if (!(0 <= start && start <= end && end <= len))
+            throw newIllegalArgumentException("start="+start+" end="+end); //SPECME
+        if (start == end)  return this;
         Class<?>[] nptypes;
-        if (num == 0) {
-            nptypes = Arrays.copyOfRange(ptypes, 1, len);
+        if (start == 0) {
+            if (end == len) {
+                // drop all parameters
+                nptypes = NO_PTYPES;
+            } else {
+                // drop initial parameter(s)
+                nptypes = Arrays.copyOfRange(ptypes, end, len);
+            }
+        } else {
+            if (end == len) {
+                // drop trailing parameter(s)
+                nptypes = Arrays.copyOfRange(ptypes, 0, start);
             } else {
-            nptypes = Arrays.copyOfRange(ptypes, 0, len-1);
-            System.arraycopy(ptypes, num+1, nptypes, num, (len-1)-num);
+                int tail = len - end;
+                nptypes = Arrays.copyOfRange(ptypes, 0, start + tail);
+                System.arraycopy(ptypes, end, nptypes, start, tail);
+            }
         }
         return makeImpl(rtype, nptypes, true);
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[], boolean)}.
+    /** Convenience method for {@link #dropParameterTypes}.
+     * @deprecated Use {@link #dropParameterTypes} instead.
+     */
+    @Deprecated
+    public MethodType dropParameterType(int num) {
+        return dropParameterTypes(num, num+1);
+    }
+
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      * @param nrtype a return parameter type to replace the old one with
      * @return the same type, except with the return type change
      */
@@ -291,6 +374,7 @@ class MethodType {
 
     /** Convenience method.
      * Report if this type contains a primitive argument or return value.
+     * The return type {@code void} counts as a primitive.
      * @return true if any of the types are primitives
      */
     public boolean hasPrimitives() {
@@ -300,39 +384,47 @@ class MethodType {
     /** Convenience method.
      * Report if this type contains a wrapper argument or return value.
      * Wrappers are types which box primitive values, such as {@link Integer}.
+     * The reference type {@code java.lang.Void} counts as a wrapper.
      * @return true if any of the types are wrappers
      */
     public boolean hasWrappers() {
         return unwrap() != this;
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
-     * Erase all reference types to Object.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
+     * Erase all reference types to {@code Object}.
+     * All primitive types (including {@code void}) will remain unchanged.
      * @return a version of the original type with all reference types replaced
      */
     public MethodType erase() {
         return form.erasedType();
     }
 
-    /** Convenience method for {@link #makeGeneric(int)}.
-     * Convert all types, both reference and primitive, to Object.
+    /** Convenience method for {@link #genericMethodType(int)}.
+     * Convert all types, both reference and primitive, to {@code Object}.
+     * The expression {@code type.wrap().erase()} produces the same value
+     * as {@code type.generic()}.
      * @return a version of the original type with all types replaced
      */
     public MethodType generic() {
-        return makeGeneric(parameterCount());
+        return genericMethodType(parameterCount());
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      * Convert all primitive types to their corresponding wrapper types.
+     * All reference types (including wrapper types) will remain unchanged.
      * A {@code void} return type is changed to the type {@code java.lang.Void}.
+     * The expression {@code type.wrap().erase()} produces the same value
+     * as {@code type.generic()}.
      * @return a version of the original type with all primitive types replaced
      */
     public MethodType wrap() {
         return hasPrimitives() ? wrapWithPrims(this) : this;
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      * Convert all wrapper types to their corresponding primitive types.
+     * All primitive types (including {@code void}) will remain unchanged.
      * A return type of {@code java.lang.Void} is changed to {@code void}.
      * @return a version of the original type with all wrapper types replaced
      */
@@ -391,6 +483,7 @@ class MethodType {
 
     /**
      * Convenience method to present the arguments as an array.
+     * Changes to the array will not result in changes to the type.
      * @return the parameter types (as a fresh copy if necessary)
      */
     public Class<?>[] parameterArray() {
@@ -491,7 +584,7 @@ class MethodType {
         return form.parameterSlotCount();
     }
 
-    /** Number of JVM stack slots which carry all parameters after
+    /** Number of JVM stack slots which carry all parameters including and after
      * the given position, which must be in the range of 0 to
      * {@code parameterCount} inclusive.  Successive parameters are
      * more shallowly stacked, and parameters are indexed in the bytecodes
@@ -532,7 +625,7 @@ class MethodType {
         return form.returnSlotCount();
     }
 
-    /** Convenience method for {@link #make(java.lang.Class, java.lang.Class[])}.
+    /** Convenience method for {@link #methodType(java.lang.Class, java.lang.Class[])}.
      * Find or create an instance (interned) of the given method type.
      * Any class or interface name embedded in the signature string
      * will be resolved by calling {@link ClassLoader#loadClass(java.lang.String)}
@@ -544,16 +637,16 @@ class MethodType {
      * <p>
      * This method is included for the benfit of applications that must
      * generate bytecodes that process method handles and invokedynamic.
-     * @param bytecodeSignature a bytecode-level signature string "(T...)T"
+     * @param descriptor a bytecode-level signature string "(T...)T"
      * @param loader the class loader in which to look up the types
      * @return a method type matching the bytecode-level signature
      * @throws IllegalArgumentException if the string is not well-formed
      * @throws TypeNotPresentException if a named type cannot be found
      */
-    public static MethodType fromBytecodeString(String bytecodeSignature, ClassLoader loader)
+    public static MethodType fromMethodDescriptorString(String descriptor, ClassLoader loader)
         throws IllegalArgumentException, TypeNotPresentException
     {
-        List<Class<?>> types = BytecodeSignature.parseMethod(bytecodeSignature, loader);
+        List<Class<?>> types = BytecodeDescriptor.parseMethod(descriptor, loader);
         Class<?> rtype = types.remove(types.size() - 1);
         Class<?>[] ptypes = types.toArray(NO_PTYPES);
         return makeImpl(rtype, ptypes, true);
@@ -565,11 +658,21 @@ class MethodType {
      * <p>
      * This method is included for the benfit of applications that must
      * generate bytecodes that process method handles and invokedynamic.
-     * {@link #fromBytecodeString(java.lang.String, java.lang.ClassLoader)},
+     * {@link #fromMethodDescriptorString(java.lang.String, java.lang.ClassLoader)},
      * because the latter requires a suitable class loader argument.
      * @return the bytecode signature representation
      */
+    public String toMethodDescriptorString() {
+        return BytecodeDescriptor.unparse(this);
+    }
+
+    /** Temporary alias for toMethodDescriptorString; delete after M3. */
     public String toBytecodeString() {
-        return BytecodeSignature.unparse(this);
+        return toMethodDescriptorString();
+    }
+    /** Temporary alias for fromMethodDescriptorString; delete after M3. */
+    public static MethodType fromBytecodeString(String descriptor, ClassLoader loader)
+        throws IllegalArgumentException, TypeNotPresentException {
+        return fromMethodDescriptorString(descriptor, loader);
     }
 }

src/share/classes/java/dyn/package-info.java

@@ -24,6 +24,7 @@
  */
 
 /**
+ * <em>PROVISIONAL API, WORK IN PROGRESS:</em>
  * This package contains dynamic language support provided directly by
  * the Java core class libraries and virtual machine.
  * @author John Rose, JSR 292 EG

src/share/classes/sun/dyn/AdapterMethodHandle.java

@@ -30,7 +30,7 @@ import sun.dyn.util.Wrapper;
 import java.dyn.*;
 import java.util.Arrays;
 import static sun.dyn.MethodHandleNatives.Constants.*;
-import static sun.dyn.MethodHandleImpl.newIllegalArgumentException;
+import static sun.dyn.MemberName.newIllegalArgumentException;
 
 /**
  * This method handle performs simple conversion or checking of a single argument.
@@ -302,7 +302,22 @@ public class AdapterMethodHandle extends BoundMethodHandle {
      */
     private static int type2size(int type) {
         assert(type >= T_BOOLEAN && type <= T_OBJECT);
-        return (type == T_FLOAT || type == T_DOUBLE) ? 2 : 1;
+        return (type == T_LONG || type == T_DOUBLE) ? 2 : 1;
+    }
+    private static int type2size(Class<?> type) {
+        return type2size(basicType(type));
+    }
+
+    /** The given stackMove is the number of slots pushed.
+     * It might be negative.  Scale it (multiply) by the
+     * VM's notion of how an address changes with a push,
+     * to get the raw SP change for stackMove.
+     * Then shift and mask it into the correct field.
+     */
+    private static long insertStackMove(int stackMove) {
+        // following variable must be long to avoid sign extension after '<<'
+        long spChange = stackMove * MethodHandleNatives.JVM_STACK_MOVE_UNIT;
+        return (spChange & CONV_STACK_MOVE_MASK) << CONV_STACK_MOVE_SHIFT;
     }
 
     /** Construct an adapter conversion descriptor for a single-argument conversion. */
@@ -310,16 +325,16 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         assert(src  == (src  & 0xF));
         assert(dest == (dest & 0xF));
         assert(convOp >= OP_CHECK_CAST && convOp <= OP_PRIM_TO_REF);
-        long stackMove = type2size(dest) - type2size(src);
+        int stackMove = type2size(dest) - type2size(src);
         return ((long) argnum << 32 |
                 (long) convOp << CONV_OP_SHIFT |
                 (int)  src    << CONV_SRC_TYPE_SHIFT |
                 (int)  dest   << CONV_DEST_TYPE_SHIFT |
-                stackMove     << CONV_STACK_MOVE_SHIFT
+                insertStackMove(stackMove)
                 );
     }
     private static long makeConv(int convOp, int argnum, int stackMove) {
-        assert(convOp >= OP_SWAP_ARGS && convOp <= OP_SPREAD_ARGS);
+        assert(convOp >= OP_DUP_ARGS && convOp <= OP_SPREAD_ARGS);
         byte src = 0, dest = 0;
         if (convOp >= OP_COLLECT_ARGS && convOp <= OP_SPREAD_ARGS)
             src = dest = T_OBJECT;
@@ -327,12 +342,21 @@ public class AdapterMethodHandle extends BoundMethodHandle {
                 (long) convOp << CONV_OP_SHIFT |
                 (int)  src    << CONV_SRC_TYPE_SHIFT |
                 (int)  dest   << CONV_DEST_TYPE_SHIFT |
-                stackMove     << CONV_STACK_MOVE_SHIFT
+                insertStackMove(stackMove)
+                );
+    }
+    private static long makeSwapConv(int convOp, int srcArg, byte type, int destSlot) {
+        assert(convOp >= OP_SWAP_ARGS && convOp <= OP_ROT_ARGS);
+        return ((long) srcArg << 32 |
+                (long) convOp << CONV_OP_SHIFT |
+                (int)  type   << CONV_SRC_TYPE_SHIFT |
+                (int)  type   << CONV_DEST_TYPE_SHIFT |
+                (int)  destSlot << CONV_VMINFO_SHIFT
                 );
     }
     private static long makeConv(int convOp) {
-        assert(convOp == OP_RETYPE_ONLY);
-        return (long) convOp << CONV_OP_SHIFT;   // stackMove, src, dst, argnum all zero
+        assert(convOp == OP_RETYPE_ONLY || convOp == OP_RETYPE_RAW);
+        return ((long)-1 << 32) | (convOp << CONV_OP_SHIFT);   // stackMove, src, dst all zero
     }
     private static int convCode(long conv) {
         return (int)conv;
@@ -348,16 +372,6 @@ public class AdapterMethodHandle extends BoundMethodHandle {
     /** One of OP_RETYPE_ONLY, etc. */
     int conversionOp() { return (conversion & CONV_OP_MASK) >> CONV_OP_SHIFT; }
 
-    @Override
-    public String toString() {
-        return addTypeString(this, "Adapted[" + basicToString(nonAdapter((MethodHandle)vmtarget)) + "]");
-    }
-
-    private static MethodHandle nonAdapter(MethodHandle mh) {
-        return (MethodHandle)
-            MethodHandleNatives.getTarget(mh, ETF_DIRECT_HANDLE);
-    }
-
     /* Return one plus the position of the first non-trivial difference
      * between the given types.  This is not a symmetric operation;
      * we are considering adapting the targetType to adapterType.
@@ -399,14 +413,14 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         //if (false)  return 1;  // never adaptable!
         return -1;  // some significant difference
     }
-    private static int diffParamTypes(MethodType adapterType, int tstart,
-                                      MethodType targetType, int astart,
+    private static int diffParamTypes(MethodType adapterType, int astart,
+                                      MethodType targetType, int tstart,
                                       int nargs, boolean raw) {
         assert(nargs >= 0);
         int res = 0;
         for (int i = 0; i < nargs; i++) {
-            Class<?> src  = adapterType.parameterType(tstart+i);
-            Class<?> dest = targetType.parameterType(astart+i);
+            Class<?> src  = adapterType.parameterType(astart+i);
+            Class<?> dest = targetType.parameterType(tstart+i);
             if ((!raw
                  ? VerifyType.canPassUnchecked(src, dest)
                  : VerifyType.canPassRaw(src, dest)
@@ -422,7 +436,7 @@ public class AdapterMethodHandle extends BoundMethodHandle {
 
     /** Can a retyping adapter (alone) validly convert the target to newType? */
     public static boolean canRetypeOnly(MethodType newType, MethodType targetType) {
-        return canRetypeOnly(newType, targetType, false);
+        return canRetype(newType, targetType, false);
     }
     /** Can a retyping adapter (alone) convert the target to newType?
      *  It is allowed to widen subword types and void to int, to make bitwise
@@ -430,14 +444,14 @@ public class AdapterMethodHandle extends BoundMethodHandle {
      *  reference conversions on return.  This last feature requires that the
      *  caller be trusted, and perform explicit cast conversions on return values.
      */
-    static boolean canRawRetypeOnly(MethodType newType, MethodType targetType) {
-        return canRetypeOnly(newType, targetType, true);
+    public static boolean canRetypeRaw(MethodType newType, MethodType targetType) {
+        return canRetype(newType, targetType, true);
     }
-    static boolean canRetypeOnly(MethodType newType, MethodType targetType, boolean raw) {
-        if (!convOpSupported(OP_RETYPE_ONLY))  return false;
+    static boolean canRetype(MethodType newType, MethodType targetType, boolean raw) {
+        if (!convOpSupported(raw ? OP_RETYPE_RAW : OP_RETYPE_ONLY))  return false;
         int diff = diffTypes(newType, targetType, raw);
         // %%% This assert is too strong.  Factor diff into VerifyType and reconcile.
-        assert((diff == 0) == VerifyType.isNullConversion(newType, targetType));
+        assert(raw || (diff == 0) == VerifyType.isNullConversion(newType, targetType));
         return diff == 0;
     }
 
@@ -447,19 +461,21 @@ public class AdapterMethodHandle extends BoundMethodHandle {
      */
     public static MethodHandle makeRetypeOnly(Access token,
                 MethodType newType, MethodHandle target) {
-        return makeRetypeOnly(token, newType, target, false);
+        return makeRetype(token, newType, target, false);
     }
-    public static MethodHandle makeRawRetypeOnly(Access token,
+    public static MethodHandle makeRetypeRaw(Access token,
                 MethodType newType, MethodHandle target) {
-        return makeRetypeOnly(token, newType, target, true);
+        return makeRetype(token, newType, target, true);
     }
-    static MethodHandle makeRetypeOnly(Access token,
+    static MethodHandle makeRetype(Access token,
                 MethodType newType, MethodHandle target, boolean raw) {
         Access.check(token);
-        if (!canRetypeOnly(newType, target.type(), raw))
+        MethodType oldType = target.type();
+        if (oldType == newType)  return target;
+        if (!canRetype(newType, oldType, raw))
             return null;
         // TO DO:  clone the target guy, whatever he is, with new type.
-        return new AdapterMethodHandle(target, newType, makeConv(OP_RETYPE_ONLY));
+        return new AdapterMethodHandle(target, newType, makeConv(raw ? OP_RETYPE_RAW : OP_RETYPE_ONLY));
     }
 
     /** Can a checkcast adapter validly convert the target to newType?
@@ -492,7 +508,7 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         Access.check(token);
         if (!canCheckCast(newType, target.type(), arg, castType))
             return null;
-        long conv = makeConv(OP_CHECK_CAST, arg, 0);
+        long conv = makeConv(OP_CHECK_CAST, arg, T_OBJECT, T_OBJECT);
         return new AdapterMethodHandle(target, newType, conv, castType);
     }
 
@@ -537,10 +553,9 @@ public class AdapterMethodHandle extends BoundMethodHandle {
                 int arg, Class<?> convType) {
         Access.check(token);
         MethodType oldType = target.type();
-        Class<?> src = newType.parameterType(arg);
-        Class<?> dst = oldType.parameterType(arg);
         if (!canPrimCast(newType, oldType, arg, convType))
             return null;
+        Class<?> src = newType.parameterType(arg);
         long conv = makeConv(OP_PRIM_TO_PRIM, arg, basicType(src), basicType(convType));
         return new AdapterMethodHandle(target, newType, conv);
     }
@@ -607,8 +622,6 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         return null;
     }
 
-    // TO DO: makeSwapArguments, makeRotateArguments, makeDuplicateArguments
-
     /** Can an adapter simply drop arguments to convert the target to newType? */
     public static boolean canDropArguments(MethodType newType, MethodType targetType,
                 int dropArgPos, int dropArgCount) {
@@ -643,26 +656,195 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         Access.check(token);
         if (dropArgCount == 0)
             return makeRetypeOnly(IMPL_TOKEN, newType, target);
-        MethodType mt = target.type();
-        int argCount  = mt.parameterCount();
-        if (!canDropArguments(newType, mt, dropArgPos, dropArgCount))
+        if (!canDropArguments(newType, target.type(), dropArgPos, dropArgCount))
+            return null;
+        // in  arglist: [0: ...keep1 | dpos: drop... | dpos+dcount: keep2... ]
+        // out arglist: [0: ...keep1 |                        dpos: keep2... ]
+        int keep2InPos  = dropArgPos + dropArgCount;
+        int dropSlot    = newType.parameterSlotDepth(keep2InPos);
+        int keep1InSlot = newType.parameterSlotDepth(dropArgPos);
+        int slotCount   = keep1InSlot - dropSlot;
+        assert(slotCount >= dropArgCount);
+        assert(target.type().parameterSlotCount() + slotCount == newType.parameterSlotCount());
+        long conv = makeConv(OP_DROP_ARGS, dropArgPos + dropArgCount - 1, -slotCount);
+        return new AdapterMethodHandle(target, newType, conv);
+    }
+
+    /** Can an adapter duplicate an argument to convert the target to newType? */
+    public static boolean canDupArguments(MethodType newType, MethodType targetType,
+                int dupArgPos, int dupArgCount) {
+        if (!convOpSupported(OP_DUP_ARGS))  return false;
+        if (diffReturnTypes(newType, targetType, false) != 0)
+            return false;
+        int nptypes = newType.parameterCount();
+        if (dupArgCount < 0 || dupArgPos + dupArgCount > nptypes)
+            return false;
+        if (targetType.parameterCount() != nptypes + dupArgCount)
+            return false;
+        // parameter types must be the same up to the duplicated arguments
+        if (diffParamTypes(newType, 0, targetType, 0, nptypes, false) != 0)
+            return false;
+        // duplicated types must be, well, duplicates
+        if (diffParamTypes(newType, dupArgPos, targetType, nptypes, dupArgCount, false) != 0)
+            return false;
+        return true;
+    }
+
+    /** Factory method:  Duplicate the selected argument.
+     *  Return null if this is not possible.
+     */
+    public static MethodHandle makeDupArguments(Access token,
+                MethodType newType, MethodHandle target,
+                int dupArgPos, int dupArgCount) {
+        Access.check(token);
+        if (!canDupArguments(newType, target.type(), dupArgPos, dupArgCount))
+            return null;
+        if (dupArgCount == 0)
+            return target;
+        // in  arglist: [0: ...keep1 | dpos: dup... | dpos+dcount: keep2... ]
+        // out arglist: [0: ...keep1 | dpos: dup... | dpos+dcount: keep2... | dup... ]
+        int keep2InPos  = dupArgPos + dupArgCount;
+        int dupSlot     = newType.parameterSlotDepth(keep2InPos);
+        int keep1InSlot = newType.parameterSlotDepth(dupArgPos);
+        int slotCount   = keep1InSlot - dupSlot;
+        assert(target.type().parameterSlotCount() - slotCount == newType.parameterSlotCount());
+        long conv = makeConv(OP_DUP_ARGS, dupArgPos + dupArgCount - 1, slotCount);
+        return new AdapterMethodHandle(target, newType, conv);
+    }
+
+    /** Can an adapter swap two arguments to convert the target to newType? */
+    public static boolean canSwapArguments(MethodType newType, MethodType targetType,
+                int swapArg1, int swapArg2) {
+        if (!convOpSupported(OP_SWAP_ARGS))  return false;
+        if (diffReturnTypes(newType, targetType, false) != 0)
+            return false;
+        if (swapArg1 >= swapArg2)  return false;  // caller resp
+        int nptypes = newType.parameterCount();
+        if (targetType.parameterCount() != nptypes)
+            return false;
+        if (swapArg1 < 0 || swapArg2 >= nptypes)
+            return false;
+        if (diffParamTypes(newType, 0, targetType, 0, swapArg1, false) != 0)
+            return false;
+        if (diffParamTypes(newType, swapArg1, targetType, swapArg2, 1, false) != 0)
+            return false;
+        if (diffParamTypes(newType, swapArg1+1, targetType, swapArg1+1, swapArg2-swapArg1-1, false) != 0)
+            return false;
+        if (diffParamTypes(newType, swapArg2, targetType, swapArg1, 1, false) != 0)
+            return false;
+        if (diffParamTypes(newType, swapArg2+1, targetType, swapArg2+1, nptypes-swapArg2-1, false) != 0)
+            return false;
+        return true;
+    }
+
+    /** Factory method:  Swap the selected arguments.
+     *  Return null if this is not possible.
+     */
+    public static MethodHandle makeSwapArguments(Access token,
+                MethodType newType, MethodHandle target,
+                int swapArg1, int swapArg2) {
+        Access.check(token);
+        if (swapArg1 == swapArg2)
+            return target;
+        if (swapArg1 > swapArg2) { int t = swapArg1; swapArg1 = swapArg2; swapArg2 = t; }
+        if (!canSwapArguments(newType, target.type(), swapArg1, swapArg2))
             return null;
-        int dropSlotCount, dropSlotPos;
-        if (dropArgCount >= argCount) {
-            assert(dropArgPos == argCount-1);
-            dropSlotPos = 0;
-            dropSlotCount = mt.parameterSlotCount();
+        Class<?> swapType = newType.parameterType(swapArg1);
+        // in  arglist: [0: ...keep1 | pos1: a1 | pos1+1: keep2... | pos2: a2 | pos2+1: keep3... ]
+        // out arglist: [0: ...keep1 | pos1: a2 | pos1+1: keep2... | pos2: a1 | pos2+1: keep3... ]
+        int swapSlot2  = newType.parameterSlotDepth(swapArg2 + 1);
+        long conv = makeSwapConv(OP_SWAP_ARGS, swapArg1, basicType(swapType), swapSlot2);
+        return new AdapterMethodHandle(target, newType, conv);
+    }
+
+    static int positiveRotation(int argCount, int rotateBy) {
+        assert(argCount > 0);
+        if (rotateBy >= 0) {
+            if (rotateBy < argCount)
+                return rotateBy;
+            return rotateBy % argCount;
+        } else if (rotateBy >= -argCount) {
+            return rotateBy + argCount;
         } else {
-            // arglist: [0: keep... | dpos: drop... | dpos+dcount: keep... ]
-            int lastDroppedArg = dropArgPos + dropArgCount - 1;
-            int lastKeptArg    = dropArgPos - 1;  // might be -1, which is OK
-            dropSlotPos      = mt.parameterSlotDepth(1+lastDroppedArg);
-            int lastKeptSlot = mt.parameterSlotDepth(1+lastKeptArg);
-            dropSlotCount = lastKeptSlot - dropSlotPos;
-            assert(dropSlotCount >= dropArgCount);
+            return (-1-((-1-rotateBy) % argCount)) + argCount;
         }
-        long conv = makeConv(OP_DROP_ARGS, dropArgPos, +dropSlotCount);
-        return new AdapterMethodHandle(target, newType, dropSlotCount, conv);
+    }
+
+    final static int MAX_ARG_ROTATION = 1;
+
+    /** Can an adapter rotate arguments to convert the target to newType? */
+    public static boolean canRotateArguments(MethodType newType, MethodType targetType,
+                int firstArg, int argCount, int rotateBy) {
+        if (!convOpSupported(OP_ROT_ARGS))  return false;
+        if (argCount <= 2)  return false;  // must be a swap, not a rotate
+        rotateBy = positiveRotation(argCount, rotateBy);
+        if (rotateBy == 0)  return false;  // no rotation
+        if (rotateBy > MAX_ARG_ROTATION && rotateBy < argCount - MAX_ARG_ROTATION)
+            return false;  // too many argument positions
+        // Rotate incoming args right N to the out args, N in 1..(argCouunt-1).
+        if (diffReturnTypes(newType, targetType, false) != 0)
+            return false;
+        int nptypes = newType.parameterCount();
+        if (targetType.parameterCount() != nptypes)
+            return false;
+        if (firstArg < 0 || firstArg >= nptypes)  return false;
+        int argLimit = firstArg + argCount;
+        if (argLimit > nptypes)  return false;
+        if (diffParamTypes(newType, 0, targetType, 0, firstArg, false) != 0)
+            return false;
+        int newChunk1 = argCount - rotateBy, newChunk2 = rotateBy;
+        // swap new chunk1 with target chunk2
+        if (diffParamTypes(newType, firstArg, targetType, argLimit-newChunk1, newChunk1, false) != 0)
+            return false;
+        // swap new chunk2 with target chunk1
+        if (diffParamTypes(newType, firstArg+newChunk1, targetType, firstArg, newChunk2, false) != 0)
+            return false;
+        return true;
+    }
+
+    /** Factory method:  Rotate the selected argument range.
+     *  Return null if this is not possible.
+     */
+    public static MethodHandle makeRotateArguments(Access token,
+                MethodType newType, MethodHandle target,
+                int firstArg, int argCount, int rotateBy) {
+        Access.check(token);
+        rotateBy = positiveRotation(argCount, rotateBy);
+        if (!canRotateArguments(newType, target.type(), firstArg, argCount, rotateBy))
+            return null;
+        // Decide whether it should be done as a right or left rotation,
+        // on the JVM stack.  Return the number of stack slots to rotate by,
+        // positive if right, negative if left.
+        int limit = firstArg + argCount;
+        int depth0 = newType.parameterSlotDepth(firstArg);
+        int depth1 = newType.parameterSlotDepth(limit-rotateBy);
+        int depth2 = newType.parameterSlotDepth(limit);
+        int chunk1Slots = depth0 - depth1; assert(chunk1Slots > 0);
+        int chunk2Slots = depth1 - depth2; assert(chunk2Slots > 0);
+        // From here on out, it assumes a single-argument shift.
+        assert(MAX_ARG_ROTATION == 1);
+        int srcArg, dstArg;
+        byte basicType;
+        if (chunk2Slots <= chunk1Slots) {
+            // Rotate right/down N (rotateBy = +N, N small, c2 small):
+            // in  arglist: [0: ...keep1 | arg1: c1...  | limit-N: c2 | limit: keep2... ]
+            // out arglist: [0: ...keep1 | arg1: c2 | arg1+N: c1...   | limit: keep2... ]
+            srcArg = limit-1;
+            dstArg = firstArg;
+            basicType = basicType(newType.parameterType(srcArg));
+            assert(chunk2Slots == type2size(basicType));
+        } else {
+            // Rotate left/up N (rotateBy = -N, N small, c1 small):
+            // in  arglist: [0: ...keep1 | arg1: c1 | arg1+N: c2...   | limit: keep2... ]
+            // out arglist: [0: ...keep1 | arg1: c2 ... | limit-N: c1 | limit: keep2... ]
+            srcArg = firstArg;
+            dstArg = limit-1;
+            basicType = basicType(newType.parameterType(srcArg));
+            assert(chunk1Slots == type2size(basicType));
+        }
+        int dstSlot = newType.parameterSlotDepth(dstArg + 1);
+        long conv = makeSwapConv(OP_ROT_ARGS, srcArg, basicType, dstSlot);
+        return new AdapterMethodHandle(target, newType, conv);
     }
 
     /** Can an adapter spread an argument to convert the target to newType? */
@@ -676,10 +858,10 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         if (spreadArgPos != 0 && diffParamTypes(newType, 0, targetType, 0, spreadArgPos, false) != 0)
             return false;
         int afterPos = spreadArgPos + spreadArgCount;
-        int afterCount = nptypes - afterPos;
+        int afterCount = nptypes - (spreadArgPos + 1);
         if (spreadArgPos < 0 || spreadArgPos >= nptypes ||
             spreadArgCount < 0 ||
-            targetType.parameterCount() != nptypes - 1 + spreadArgCount)
+            targetType.parameterCount() != afterPos + afterCount)
             return false;
         // parameter types after the spread point must also be the same
         if (afterCount != 0 && diffParamTypes(newType, spreadArgPos+1, targetType, afterPos, afterCount, false) != 0)
@@ -697,32 +879,40 @@ public class AdapterMethodHandle extends BoundMethodHandle {
         return true;
     }
 
+
     /** Factory method:  Spread selected argument. */
     public static MethodHandle makeSpreadArguments(Access token,
                 MethodType newType, MethodHandle target,
                 Class<?> spreadArgType, int spreadArgPos, int spreadArgCount) {
         Access.check(token);
-        MethodType mt = target.type();
-        int argCount  = mt.parameterCount();
-        if (!canSpreadArguments(newType, mt, spreadArgType, spreadArgPos, spreadArgCount))
+        MethodType targetType = target.type();
+        if (!canSpreadArguments(newType, targetType, spreadArgType, spreadArgPos, spreadArgCount))
             return null;
-        int spreadSlotCount, spreadSlotPos;
-        if (spreadArgCount >= argCount) {
-            assert(spreadArgPos == argCount-1);
-            spreadSlotPos = 0;
-            spreadSlotCount = mt.parameterSlotCount();
-        } else {
-            // arglist: [0: keep... | dpos: spread... | dpos+dcount: keep... ]
-            int lastSpreadArg = spreadArgPos + spreadArgCount - 1;
-            int lastKeptArg   = spreadArgPos - 1;  // might be -1, which is OK
-            spreadSlotPos     = mt.parameterSlotDepth(1+lastSpreadArg);
-            int lastKeptSlot  = mt.parameterSlotDepth(1+lastKeptArg);
-            spreadSlotCount = lastKeptSlot - spreadSlotPos;
-            assert(spreadSlotCount >= spreadArgCount);
-        }
-        long conv = makeConv(OP_SPREAD_ARGS, spreadArgPos, spreadSlotCount);
-        return new AdapterMethodHandle(target, newType, conv, spreadArgType);
+        // in  arglist: [0: ...keep1 | spos: spreadArg | spos+1:      keep2... ]
+        // out arglist: [0: ...keep1 | spos: spread... | spos+scount: keep2... ]
+        int keep2OutPos  = spreadArgPos + spreadArgCount;
+        int spreadSlot   = targetType.parameterSlotDepth(keep2OutPos);
+        int keep1OutSlot = targetType.parameterSlotDepth(spreadArgPos);
+        int slotCount    = keep1OutSlot - spreadSlot;
+        assert(spreadSlot == newType.parameterSlotDepth(spreadArgPos+1));
+        assert(slotCount >= spreadArgCount);
+        long conv = makeConv(OP_SPREAD_ARGS, spreadArgPos, slotCount-1);
+        MethodHandle res = new AdapterMethodHandle(target, newType, conv, spreadArgType);
+        assert(res.type().parameterType(spreadArgPos) == spreadArgType);
+        return res;
     }
 
     // TO DO: makeCollectArguments, makeFlyby, makeRicochet
+
+    @Override
+    public String toString() {
+        return nonAdapter((MethodHandle)vmtarget).toString();
+    }
+
+    private static MethodHandle nonAdapter(MethodHandle mh) {
+        while (mh instanceof AdapterMethodHandle) {
+            mh = (MethodHandle) mh.vmtarget;
+        }
+        return mh;
+    }
 }

src/share/classes/sun/dyn/BoundMethodHandle.java

@@ -28,6 +28,10 @@ package sun.dyn;
 import sun.dyn.util.VerifyType;
 import sun.dyn.util.Wrapper;
 import java.dyn.*;
+import java.util.List;
+import sun.dyn.MethodHandleNatives.Constants;
+import static sun.dyn.MethodHandleImpl.IMPL_LOOKUP;
+import static sun.dyn.MemberName.newIllegalArgumentException;
 
 /**
  * The flavor of method handle which emulates an invoke instruction
@@ -40,13 +44,18 @@ public class BoundMethodHandle extends MethodHandle  {
     private final Object argument;     // argument to insert
     private final int    vmargslot;    // position at which it is inserted
 
+    private static final Access IMPL_TOKEN = Access.getToken();
+    private static final MemberName.Factory IMPL_NAMES = MemberName.getFactory(IMPL_TOKEN);
+
     // Constructors in this class *must* be package scoped or private.
+    // Exception:  JavaMethodHandle constructors are protected.
+    // (The link between JMH and BMH is temporary.)
 
     /** Bind a direct MH to its receiver (or first ref. argument).
      *  The JVM will pre-dispatch the MH if it is not already static.
      */
     BoundMethodHandle(DirectMethodHandle mh, Object argument) {
-        super(Access.TOKEN, mh.type().dropParameterType(0));
+        super(Access.TOKEN, mh.type().dropParameterTypes(0, 1));
         // check the type now, once for all:
         this.argument = checkReferenceArgument(argument, mh, 0);
         this.vmargslot = this.type().parameterSlotCount();
@@ -58,28 +67,30 @@ public class BoundMethodHandle extends MethodHandle  {
         }
     }
 
-    private static final int REF_ARG = 0, PRIM_ARG = 1, SELF_ARG = 2;
-
     /** Insert an argument into an arbitrary method handle.
      *  If argnum is zero, inserts the first argument, etc.
      *  The argument type must be a reference.
      */
     BoundMethodHandle(MethodHandle mh, Object argument, int argnum) {
-        this(mh, argument, argnum, mh.type().parameterType(argnum).isPrimitive() ? PRIM_ARG : REF_ARG);
+        this(mh.type().dropParameterTypes(argnum, argnum+1),
+             mh, argument, argnum);
     }
 
     /** Insert an argument into an arbitrary method handle.
      *  If argnum is zero, inserts the first argument, etc.
      */
-    BoundMethodHandle(MethodHandle mh, Object argument, int argnum, int whichArg) {
-        super(Access.TOKEN, mh.type().dropParameterType(argnum));
-        if (whichArg == PRIM_ARG)
+    BoundMethodHandle(MethodType type, MethodHandle mh, Object argument, int argnum) {
+        super(Access.TOKEN, type);
+        if (mh.type().parameterType(argnum).isPrimitive())
             this.argument = bindPrimitiveArgument(argument, mh, argnum);
         else {
-            if (whichArg == SELF_ARG)  argument = this;
             this.argument = checkReferenceArgument(argument, mh, argnum);
         }
-        this.vmargslot = this.type().parameterSlotDepth(argnum);
+        this.vmargslot = type.parameterSlotDepth(argnum);
+        initTarget(mh, argnum);
+    }
+
+    private void initTarget(MethodHandle mh, int argnum) {
         if (MethodHandleNatives.JVM_SUPPORT) {
             this.vmtarget = null; // maybe updated by JVM
             MethodHandleNatives.init(this, mh, argnum);
@@ -97,29 +108,65 @@ public class BoundMethodHandle extends MethodHandle  {
         assert(this.getClass() == AdapterMethodHandle.class);
     }
 
-    /** Initialize the current object as a method handle, binding it
-     *  as the {@code argnum}th argument of the method handle {@code entryPoint}.
+    /** Initialize the current object as a Java method handle, binding it
+     *  as the first argument of the method handle {@code entryPoint}.
      *  The invocation type of the resulting method handle will be the
-     *  same as {@code entryPoint},  except that the {@code argnum}th argument
+     *  same as {@code entryPoint},  except that the first argument
      *  type will be dropped.
      */
-    public BoundMethodHandle(MethodHandle entryPoint, int argnum) {
-        this(entryPoint, null, argnum, SELF_ARG);
-
-        // Note:  If the conversion fails, perhaps because of a bad entryPoint,
-        // the MethodHandle.type field will not be filled in, and therefore
-        // no MH.invoke call will ever succeed.  The caller may retain a pointer
-        // to the broken method handle, but no harm can be done with it.
+    protected BoundMethodHandle(MethodHandle entryPoint) {
+        super(Access.TOKEN, entryPoint.type().dropParameterTypes(0, 1));
+        this.argument = this; // kludge; get rid of
+        this.vmargslot = this.type().parameterSlotDepth(0);
+        initTarget(entryPoint, 0);
+        assert(this instanceof JavaMethodHandle);
     }
 
-    /** Initialize the current object as a method handle, binding it
-     *  as the first argument of the method handle {@code entryPoint}.
-     *  The invocation type of the resulting method handle will be the
-     *  same as {@code entryPoint},  except that the first argument
-     *  type will be dropped.
+    /** Initialize the current object as a Java method handle.
      */
-    public BoundMethodHandle(MethodHandle entryPoint) {
-        this(entryPoint, null, 0, SELF_ARG);
+    protected BoundMethodHandle(String entryPointName, MethodType type, boolean matchArity) {
+        super(Access.TOKEN, null);
+        MethodHandle entryPoint
+                = findJavaMethodHandleEntryPoint(this.getClass(),
+                                        entryPointName, type, matchArity);
+        MethodHandleImpl.initType(this, entryPoint.type().dropParameterTypes(0, 1));
+        this.argument = this; // kludge; get rid of
+        this.vmargslot = this.type().parameterSlotDepth(0);
+        initTarget(entryPoint, 0);
+        assert(this instanceof JavaMethodHandle);
+    }
+
+    private static
+    MethodHandle findJavaMethodHandleEntryPoint(Class<?> caller,
+                                                String name,
+                                                MethodType type,
+                                                boolean matchArity) {
+        if (matchArity)  type.getClass();  // elicit NPE
+        List<MemberName> methods = IMPL_NAMES.getMethods(caller, true, name, null, caller);
+        MethodType foundType = null;
+        MemberName foundMethod = null;
+        for (MemberName method : methods) {
+            MethodType mtype = method.getMethodType();
+            if (type != null && type.parameterCount() != mtype.parameterCount())
+                continue;
+            else if (foundType == null)
+                foundType = mtype;
+            else if (foundType != mtype)
+                throw newIllegalArgumentException("more than one method named "+name+" in "+caller.getName());
+            // discard overrides
+            if (foundMethod == null)
+                foundMethod = method;
+            else if (foundMethod.getDeclaringClass().isAssignableFrom(method.getDeclaringClass()))
+                foundMethod = method;
+        }
+        if (foundMethod == null)
+            throw newIllegalArgumentException("no method named "+name+" in "+caller.getName());
+        MethodHandle entryPoint = MethodHandleImpl.findMethod(IMPL_TOKEN, foundMethod, true, caller);
+        if (type != null) {
+            MethodType epType = type.insertParameterTypes(0, entryPoint.type().parameterType(0));
+            entryPoint = MethodHandles.convertArguments(entryPoint, epType);
+        }
+        return entryPoint;
     }
 
     /** Make sure the given {@code argument} can be used as {@code argnum}-th
@@ -175,6 +222,24 @@ public class BoundMethodHandle extends MethodHandle  {
 
     @Override
     public String toString() {
-        return "Bound[" + super.toString() + "]";
+        MethodHandle mh = this;
+        while (mh instanceof BoundMethodHandle) {
+            Object info = MethodHandleNatives.getTargetInfo(mh);
+            if (info instanceof MethodHandle) {
+                mh = (MethodHandle) info;
+            } else {
+                String name = null;
+                if (info instanceof MemberName)
+                    name = ((MemberName)info).getName();
+                if (name != null)
+                    return name;
+                else
+                    return super.toString(); // <unknown>, probably
+            }
+            assert(mh != this);
+            if (mh instanceof JavaMethodHandle)
+                break;  // access JMH.toString(), not BMH.toString()
+        }
+        return mh.toString();
     }
 }

src/share/classes/sun/dyn/CallSiteImpl.java

@@ -26,34 +26,51 @@
 package sun.dyn;
 
 import java.dyn.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 /**
- * The CallSite privately created by the JVM at every invokedynamic instruction.
+ * Parts of CallSite known to the JVM.
+ * FIXME: Merge all this into CallSite proper.
  * @author jrose
  */
-class CallSiteImpl extends CallSite {
-    // Fields used only by the JVM.  Do not use or change.
+public class CallSiteImpl {
+    // Field used only by the JVM.  Do not use or change.
     private Object vmmethod;
 
     // Values supplied by the JVM:
-    int callerMID, callerBCI;
+    protected int callerMID, callerBCI;
 
-    private CallSiteImpl(Class<?> caller, String name, MethodType type) {
-        super(caller, name, type);
+    private MethodHandle target;
+    protected final Object caller;  // usually a class
+    protected final String name;
+    protected final MethodType type;
+
+    /** called only directly from CallSite() */
+    protected CallSiteImpl(Access token, Object caller, String name, MethodType type) {
+        Access.check(token);
+        this.caller = caller;
+        this.name = name;
+        this.type = type;
+    }
+
+    /** native version of setTarget */
+    protected void setTarget(MethodHandle mh) {
+        //System.out.println("setTarget "+this+" := "+mh);
+        // XXX I don't know how to fix this properly.
+//         if (false && MethodHandleNatives.JVM_SUPPORT) // FIXME: enable this
+//             MethodHandleNatives.linkCallSite(this, mh);
+//         else
+            this.target = mh;
     }
 
-    @Override
-    public void setTarget(MethodHandle mh) {
-        checkTarget(mh);
-        if (MethodHandleNatives.JVM_SUPPORT)
-            MethodHandleNatives.linkCallSite(this, (MethodHandle) mh);
-        else
-            super.setTarget(mh);
+    protected MethodHandle getTarget() {
+        return target;
     }
 
     private static final MethodHandle PRIVATE_INITIALIZE_CALL_SITE =
             MethodHandleImpl.IMPL_LOOKUP.findStatic(CallSite.class, "privateInitializeCallSite",
-                MethodType.make(void.class, CallSite.class, int.class, int.class));
+                MethodType.methodType(void.class, CallSite.class, int.class, int.class));
 
     // this is the up-call from the JVM:
     static CallSite makeSite(Class<?> caller, String name, MethodType type,
@@ -61,10 +78,25 @@ class CallSiteImpl extends CallSite {
         MethodHandle bsm = Linkage.getBootstrapMethod(caller);
         if (bsm == null)
             throw new InvokeDynamicBootstrapError("class has no bootstrap method: "+caller);
-        CallSite site = bsm.<CallSite>invoke(caller, name, type);
+        CallSite site;
+        try {
+            site = bsm.<CallSite>invoke(caller, name, type);
+        } catch (Throwable ex) {
+            throw new InvokeDynamicBootstrapError("exception thrown while linking", ex);
+        }
         if (site == null)
             throw new InvokeDynamicBootstrapError("class bootstrap method failed to create a call site: "+caller);
+        if (site.type() != type)
+            throw new InvokeDynamicBootstrapError("call site type not initialized correctly: "+site);
+        if (site.callerClass() != caller)
+            throw new InvokeDynamicBootstrapError("call site caller not initialized correctly: "+site);
+        if ((Object)site.name() != name)
+            throw new InvokeDynamicBootstrapError("call site name not initialized correctly: "+site);
+        try {
             PRIVATE_INITIALIZE_CALL_SITE.<void>invoke(site, callerMID, callerBCI);
+        } catch (Throwable ex) {
+            throw new InvokeDynamicBootstrapError("call site initialization exception", ex);
+        }
         return site;
     }
 }

src/share/classes/sun/dyn/FilterOneArgument.java

@@ -27,7 +27,6 @@ package sun.dyn;
 
 import java.dyn.JavaMethodHandle;
 import java.dyn.MethodHandle;
-import java.dyn.MethodHandles;
 import java.dyn.MethodType;
 
 /**
@@ -42,16 +41,21 @@ public class FilterOneArgument extends JavaMethodHandle {
     protected final MethodHandle filter;  // Object -> Object
     protected final MethodHandle target;  // Object -> Object
 
-    protected Object entryPoint(Object argument) {
-        Object filteredArgument = filter.<Object>invoke(argument);
-        return target.<Object>invoke(filteredArgument);
+    @Override
+    public String toString() {
+        return target.toString();
+    }
+
+    protected Object invoke(Object argument) throws Throwable {
+        Object filteredArgument = filter.invoke(argument);
+        return target.invoke(filteredArgument);
     }
 
-    private static final MethodHandle entryPoint =
-        MethodHandleImpl.IMPL_LOOKUP.findVirtual(FilterOneArgument.class, "entryPoint", MethodType.makeGeneric(1));
+    private static final MethodHandle INVOKE =
+        MethodHandleImpl.IMPL_LOOKUP.findVirtual(FilterOneArgument.class, "invoke", MethodType.genericMethodType(1));
 
     protected FilterOneArgument(MethodHandle filter, MethodHandle target) {
-        super(entryPoint);
+        super(INVOKE);
         this.filter = filter;
         this.target = target;
     }
@@ -62,10 +66,6 @@ public class FilterOneArgument extends JavaMethodHandle {
         return new FilterOneArgument(filter, target);
     }
 
-    public String toString() {
-        return filter + "|>" + target;
-    }
-
 //    MethodHandle make(MethodHandle filter1, MethodHandle filter2, MethodHandle target) {
 //        MethodHandle filter = make(filter1, filter2);
 //        return make(filter, target);

src/share/classes/sun/dyn/FromGeneric.java

@@ -36,8 +36,8 @@ import sun.dyn.util.ValueConversions;
 import sun.dyn.util.Wrapper;
 
 /**
- * Adapters which mediate between incoming calls which are not generic
- * and outgoing calls which are.  Any call can be represented generically
+ * Adapters which mediate between incoming calls which are generic
+ * and outgoing calls which are not.  Any call can be represented generically
  * boxing up its arguments, and (on return) unboxing the return value.
  * <p>
  * A call is "generic" (in MethodHandle terms) if its MethodType features
@@ -50,9 +50,6 @@ import sun.dyn.util.Wrapper;
  * either binds internally or else takes as a leading argument).
  * (To stretch the term, adapter-like method handles may have multiple
  * targets or be polymorphic across multiple call types.)
- * <p>
- * This adapter can sometimes be more directly implemented
- * by the JVM's built-in OP_SPREAD_ARGS adapter.
  * @author jrose
  */
 class FromGeneric {
@@ -99,7 +96,7 @@ class FromGeneric {
         }
         this.internalType = internalType0;
         this.adapter = ad;
-        MethodType tepType = targetType.insertParameterType(0, adapter.getClass());
+        MethodType tepType = targetType.insertParameterTypes(0, adapter.getClass());
         this.entryPoint = ad.prototypeEntryPoint();
         this.returnConversion = computeReturnConversion(targetType, internalType0);
         this.unboxingInvoker = computeUnboxingInvoker(targetType, internalType0);
@@ -146,7 +143,7 @@ class FromGeneric {
         if (fixArgs == null)
             throw new InternalError("bad fixArgs");
         // reinterpret the calling sequence as raw:
-        MethodHandle retyper = AdapterMethodHandle.makeRawRetypeOnly(Access.TOKEN,
+        MethodHandle retyper = AdapterMethodHandle.makeRetypeRaw(Access.TOKEN,
                                         Invokers.invokerType(internalType), fixArgs);
         if (retyper == null)
             throw new InternalError("bad retyper");
@@ -226,7 +223,10 @@ class FromGeneric {
                 // Produce an instance configured as a prototype.
                 return ctor.newInstance(entryPoint);
             } catch (IllegalArgumentException ex) {
-            } catch (InvocationTargetException ex) {
+            } catch (InvocationTargetException wex) {
+                Throwable ex = wex.getTargetException();
+                if (ex instanceof Error)  throw (Error)ex;
+                if (ex instanceof RuntimeException)  throw (RuntimeException)ex;
             } catch (InstantiationException ex) {
             } catch (IllegalAccessException ex) {
             }
@@ -260,6 +260,11 @@ class FromGeneric {
         protected final MethodHandle convert;  // raw(R) => Object
         protected final MethodHandle target;   // (any**N) => R
 
+        @Override
+        public String toString() {
+            return target.toString();
+        }
+
         protected boolean isPrototype() { return target == null; }
         protected Adapter(MethodHandle entryPoint) {
             this(entryPoint, null, entryPoint, null);
@@ -284,11 +289,11 @@ class FromGeneric {
         // { return new ThisType(entryPoint, convert, target); }
 
         /// Conversions on the value returned from the target.
-        protected Object convert_L(Object result) { return convert.<Object>invoke(result); }
-        protected Object convert_I(int    result) { return convert.<Object>invoke(result); }
-        protected Object convert_J(long   result) { return convert.<Object>invoke(result); }
-        protected Object convert_F(float  result) { return convert.<Object>invoke(result); }
-        protected Object convert_D(double result) { return convert.<Object>invoke(result); }
+        protected Object convert_L(Object result) throws Throwable { return convert.<Object>invoke(result); }
+        protected Object convert_I(int    result) throws Throwable { return convert.<Object>invoke(result); }
+        protected Object convert_J(long   result) throws Throwable { return convert.<Object>invoke(result); }
+        protected Object convert_F(float  result) throws Throwable { return convert.<Object>invoke(result); }
+        protected Object convert_D(double result) throws Throwable { return convert.<Object>invoke(result); }
 
         static private final String CLASS_PREFIX; // "sun.dyn.FromGeneric$"
         static {
@@ -317,11 +322,11 @@ class FromGeneric {
                         { super(e, i, c, t); }
         protected xA2 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new xA2(e, i, c, t); }
-        protected Object invoke_L2(Object a0, Object a1) { return convert_L(invoker.<Object>invoke(target, a0, a1)); }
-        protected Object invoke_I2(Object a0, Object a1) { return convert_I(invoker.<int   >invoke(target, a0, a1)); }
-        protected Object invoke_J2(Object a0, Object a1) { return convert_J(invoker.<long  >invoke(target, a0, a1)); }
-        protected Object invoke_F2(Object a0, Object a1) { return convert_F(invoker.<float >invoke(target, a0, a1)); }
-        protected Object invoke_D2(Object a0, Object a1) { return convert_D(invoker.<double>invoke(target, a0, a1)); }
+        protected Object invoke_L2(Object a0, Object a1) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1)); }
+        protected Object invoke_I2(Object a0, Object a1) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1)); }
+        protected Object invoke_J2(Object a0, Object a1) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1)); }
+        protected Object invoke_F2(Object a0, Object a1) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1)); }
+        protected Object invoke_D2(Object a0, Object a1) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1)); }
     }
     // */
 
@@ -342,7 +347,7 @@ class genclasses {
         "        protected @cat@ makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)",
         "                        { return new @cat@(e, i, c, t); }",
         "        //@each-R@",
-        "        protected Object invoke_@catN@(@Tvav@) { return convert_@Rc@(invoker.<@R@>invoke(target@av@)); }",
+        "        protected Object invoke_@catN@(@Tvav@) throws Throwable { return convert_@Rc@(invoker.<@R@>invoke(target@av@)); }",
         "        //@end-R@",
         "    }",
     } };
@@ -498,11 +503,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A0 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A0(e, i, c, t); }
-        protected Object invoke_L0() { return convert_L(invoker.<Object>invoke(target)); }
-        protected Object invoke_I0() { return convert_I(invoker.<int   >invoke(target)); }
-        protected Object invoke_J0() { return convert_J(invoker.<long  >invoke(target)); }
-        protected Object invoke_F0() { return convert_F(invoker.<float >invoke(target)); }
-        protected Object invoke_D0() { return convert_D(invoker.<double>invoke(target)); }
+        protected Object invoke_L0() throws Throwable { return convert_L(invoker.<Object>invoke(target)); }
+        protected Object invoke_I0() throws Throwable { return convert_I(invoker.<int   >invoke(target)); }
+        protected Object invoke_J0() throws Throwable { return convert_J(invoker.<long  >invoke(target)); }
+        protected Object invoke_F0() throws Throwable { return convert_F(invoker.<float >invoke(target)); }
+        protected Object invoke_D0() throws Throwable { return convert_D(invoker.<double>invoke(target)); }
     }
     static class A1 extends Adapter {
         protected A1(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -510,11 +515,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A1 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A1(e, i, c, t); }
-        protected Object invoke_L1(Object a0) { return convert_L(invoker.<Object>invoke(target, a0)); }
-        protected Object invoke_I1(Object a0) { return convert_I(invoker.<int   >invoke(target, a0)); }
-        protected Object invoke_J1(Object a0) { return convert_J(invoker.<long  >invoke(target, a0)); }
-        protected Object invoke_F1(Object a0) { return convert_F(invoker.<float >invoke(target, a0)); }
-        protected Object invoke_D1(Object a0) { return convert_D(invoker.<double>invoke(target, a0)); }
+        protected Object invoke_L1(Object a0) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0)); }
+        protected Object invoke_I1(Object a0) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0)); }
+        protected Object invoke_J1(Object a0) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0)); }
+        protected Object invoke_F1(Object a0) throws Throwable { return convert_F(invoker.<float >invoke(target, a0)); }
+        protected Object invoke_D1(Object a0) throws Throwable { return convert_D(invoker.<double>invoke(target, a0)); }
     }
     static class A2 extends Adapter {
         protected A2(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -522,11 +527,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A2 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A2(e, i, c, t); }
-        protected Object invoke_L2(Object a0, Object a1) { return convert_L(invoker.<Object>invoke(target, a0, a1)); }
-        protected Object invoke_I2(Object a0, Object a1) { return convert_I(invoker.<int   >invoke(target, a0, a1)); }
-        protected Object invoke_J2(Object a0, Object a1) { return convert_J(invoker.<long  >invoke(target, a0, a1)); }
-        protected Object invoke_F2(Object a0, Object a1) { return convert_F(invoker.<float >invoke(target, a0, a1)); }
-        protected Object invoke_D2(Object a0, Object a1) { return convert_D(invoker.<double>invoke(target, a0, a1)); }
+        protected Object invoke_L2(Object a0, Object a1) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1)); }
+        protected Object invoke_I2(Object a0, Object a1) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1)); }
+        protected Object invoke_J2(Object a0, Object a1) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1)); }
+        protected Object invoke_F2(Object a0, Object a1) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1)); }
+        protected Object invoke_D2(Object a0, Object a1) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1)); }
     }
     static class A3 extends Adapter {
         protected A3(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -534,11 +539,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A3 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A3(e, i, c, t); }
-        protected Object invoke_L3(Object a0, Object a1, Object a2) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2)); }
-        protected Object invoke_I3(Object a0, Object a1, Object a2) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2)); }
-        protected Object invoke_J3(Object a0, Object a1, Object a2) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2)); }
-        protected Object invoke_F3(Object a0, Object a1, Object a2) { return convert_F(invoker.<float >invoke(target, a0, a1, a2)); }
-        protected Object invoke_D3(Object a0, Object a1, Object a2) { return convert_D(invoker.<double>invoke(target, a0, a1, a2)); }
+        protected Object invoke_L3(Object a0, Object a1, Object a2) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2)); }
+        protected Object invoke_I3(Object a0, Object a1, Object a2) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2)); }
+        protected Object invoke_J3(Object a0, Object a1, Object a2) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2)); }
+        protected Object invoke_F3(Object a0, Object a1, Object a2) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2)); }
+        protected Object invoke_D3(Object a0, Object a1, Object a2) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2)); }
     }
     static class A4 extends Adapter {
         protected A4(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -546,11 +551,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A4 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A4(e, i, c, t); }
-        protected Object invoke_L4(Object a0, Object a1, Object a2, Object a3) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3)); }
-        protected Object invoke_I4(Object a0, Object a1, Object a2, Object a3) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3)); }
-        protected Object invoke_J4(Object a0, Object a1, Object a2, Object a3) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3)); }
-        protected Object invoke_F4(Object a0, Object a1, Object a2, Object a3) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3)); }
-        protected Object invoke_D4(Object a0, Object a1, Object a2, Object a3) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3)); }
+        protected Object invoke_L4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3)); }
+        protected Object invoke_I4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3)); }
+        protected Object invoke_J4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3)); }
+        protected Object invoke_F4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3)); }
+        protected Object invoke_D4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3)); }
     }
     static class A5 extends Adapter {
         protected A5(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -558,11 +563,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A5 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A5(e, i, c, t); }
-        protected Object invoke_L5(Object a0, Object a1, Object a2, Object a3, Object a4) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4)); }
-        protected Object invoke_I5(Object a0, Object a1, Object a2, Object a3, Object a4) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4)); }
-        protected Object invoke_J5(Object a0, Object a1, Object a2, Object a3, Object a4) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4)); }
-        protected Object invoke_F5(Object a0, Object a1, Object a2, Object a3, Object a4) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4)); }
-        protected Object invoke_D5(Object a0, Object a1, Object a2, Object a3, Object a4) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4)); }
+        protected Object invoke_L5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4)); }
+        protected Object invoke_I5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4)); }
+        protected Object invoke_J5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4)); }
+        protected Object invoke_F5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4)); }
+        protected Object invoke_D5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4)); }
     }
     static class A6 extends Adapter {
         protected A6(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -570,11 +575,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A6 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A6(e, i, c, t); }
-        protected Object invoke_L6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_I6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_J6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_F6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_D6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_I6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_J6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_F6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_D6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5)); }
     }
     static class A7 extends Adapter {
         protected A7(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -582,11 +587,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A7 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A7(e, i, c, t); }
-        protected Object invoke_L7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_I7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_J7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_F7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_D7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_I7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_J7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_F7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_D7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6)); }
     }
     static class A8 extends Adapter {
         protected A8(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -594,11 +599,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A8 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A8(e, i, c, t); }
-        protected Object invoke_L8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_I8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_J8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_F8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_D8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_I8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_J8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_F8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_D8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7)); }
     }
     static class A9 extends Adapter {
         protected A9(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -606,11 +611,11 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A9 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A9(e, i, c, t); }
-        protected Object invoke_L9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_I9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_J9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_F9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_D9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_I9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_J9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_F9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_D9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
     }
     static class A10 extends Adapter {
         protected A10(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
@@ -618,10 +623,10 @@ class genclasses {
                         { super(e, i, c, t); }
         protected A10 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t)
                         { return new A10(e, i, c, t); }
-        protected Object invoke_L10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_I10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_J10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_F10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_D10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return convert_L(invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_I10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return convert_I(invoker.<int   >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_J10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return convert_J(invoker.<long  >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_F10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return convert_F(invoker.<float >invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_D10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return convert_D(invoker.<double>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
     }
 }

src/share/classes/sun/dyn/Invokers.java

@@ -44,16 +44,20 @@ public class Invokers {
     // generic (untyped) invoker for the outgoing call
     private /*lazy*/ MethodHandle genericInvoker;
 
+    // generic (untyped) invoker for the outgoing call; accepts a single Object[]
+    private final /*lazy*/ MethodHandle[] varargsInvokers;
+
     /** Compute and cache information common to all collecting adapters
      *  that implement members of the erasure-family of the given erased type.
      */
     public Invokers(Access token, MethodType targetType) {
         Access.check(token);
         this.targetType = targetType;
+        this.varargsInvokers = new MethodHandle[targetType.parameterCount()+1];
     }
 
     public static MethodType invokerType(MethodType targetType) {
-        return targetType.insertParameterType(0, MethodHandle.class);
+        return targetType.insertParameterTypes(0, MethodHandle.class);
     }
 
     public MethodHandle exactInvoker() {
@@ -76,8 +80,14 @@ public class Invokers {
         return invoker;
     }
 
-    public MethodHandle varargsInvoker() {
-        throw new UnsupportedOperationException("NYI");
+    public MethodHandle varargsInvoker(int objectArgCount) {
+        MethodHandle vaInvoker = varargsInvokers[objectArgCount];
+        if (vaInvoker != null)  return vaInvoker;
+        MethodHandle gInvoker = genericInvoker();
+        MethodType vaType = MethodType.genericMethodType(objectArgCount, true);
+        vaInvoker = MethodHandles.spreadArguments(gInvoker, invokerType(vaType));
+        varargsInvokers[objectArgCount] = vaInvoker;
+        return vaInvoker;
     }
 
     public String toString() {

src/share/classes/sun/dyn/MemberName.java

@@ -25,7 +25,7 @@
 
 package sun.dyn;
 
-import sun.dyn.util.BytecodeSignature;
+import sun.dyn.util.BytecodeDescriptor;
 import java.dyn.*;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -33,6 +33,7 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Member;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
@@ -93,7 +94,7 @@ public final class MemberName implements Member, Cloneable {
         }
         if (type instanceof String) {
             String sig = (String) type;
-            MethodType res = MethodType.fromBytecodeString(sig, getClassLoader());
+            MethodType res = MethodType.fromMethodDescriptorString(sig, getClassLoader());
             this.type = res;
             return res;
         }
@@ -101,7 +102,7 @@ public final class MemberName implements Member, Cloneable {
             Object[] typeInfo = (Object[]) type;
             Class<?>[] ptypes = (Class<?>[]) typeInfo[1];
             Class<?> rtype = (Class<?>) typeInfo[0];
-            MethodType res = MethodType.make(rtype, ptypes);
+            MethodType res = MethodType.methodType(rtype, ptypes);
             this.type = res;
             return res;
         }
@@ -111,7 +112,7 @@ public final class MemberName implements Member, Cloneable {
     public MethodType getInvocationType() {
         MethodType itype = getMethodType();
         if (!isStatic())
-            itype = itype.insertParameterType(0, clazz);
+            itype = itype.insertParameterTypes(0, clazz);
         return itype;
     }
 
@@ -135,7 +136,7 @@ public final class MemberName implements Member, Cloneable {
         }
         if (type instanceof String) {
             String sig = (String) type;
-            MethodType mtype = MethodType.fromBytecodeString("()"+sig, getClassLoader());
+            MethodType mtype = MethodType.fromMethodDescriptorString("()"+sig, getClassLoader());
             Class<?> res = mtype.returnType();
             this.type = res;
             return res;
@@ -155,9 +156,9 @@ public final class MemberName implements Member, Cloneable {
         if (type instanceof String)
             return (String) type;
         if (isInvocable())
-            return BytecodeSignature.unparse(getMethodType());
+            return BytecodeDescriptor.unparse(getMethodType());
         else
-            return BytecodeSignature.unparse(getFieldType());
+            return BytecodeDescriptor.unparse(getFieldType());
     }
 
     public int getModifiers() {
@@ -353,6 +354,8 @@ public final class MemberName implements Member, Cloneable {
             return type.toString();  // class java.lang.String
         // else it is a field, method, or constructor
         StringBuilder buf = new StringBuilder();
+        if (!isResolved())
+            buf.append("*.");
         if (getDeclaringClass() != null) {
             buf.append(getName(clazz));
             buf.append('.');
@@ -381,7 +384,7 @@ public final class MemberName implements Member, Cloneable {
     private static String getName(Object obj) {
         if (obj instanceof Class<?>)
             return ((Class<?>)obj).getName();
-        return obj.toString();
+        return String.valueOf(obj);
     }
 
     // Queries to the JVM:
@@ -408,6 +411,9 @@ public final class MemberName implements Member, Cloneable {
     public static NoAccessException newNoAccessException(MemberName name, Class<?> lookupClass) {
         return newNoAccessException("cannot access", name, lookupClass);
     }
+    public static NoAccessException newNoAccessException(MemberName name, MethodHandles.Lookup lookup) {
+        return newNoAccessException(name, lookup.lookupClass());
+    }
     public static NoAccessException newNoAccessException(String message,
             MemberName name, Class<?> lookupClass) {
         message += ": " + name;
@@ -436,7 +442,7 @@ public final class MemberName implements Member, Cloneable {
             matchFlags &= ALLOWED_FLAGS;
             String matchSig = null;
             if (matchType != null) {
-                matchSig = BytecodeSignature.unparse(matchType);
+                matchSig = BytecodeDescriptor.unparse(matchType);
                 if (matchSig.startsWith("("))
                     matchFlags &= ~(ALL_KINDS & ~IS_INVOCABLE);
                 else
@@ -447,17 +453,18 @@ public final class MemberName implements Member, Cloneable {
             MemberName[] buf = newMemberBuffer(len1);
             int totalCount = 0;
             ArrayList<MemberName[]> bufs = null;
+            int bufCount = 0;
             for (;;) {
-                int bufCount = MethodHandleNatives.getMembers(defc,
+                bufCount = MethodHandleNatives.getMembers(defc,
                         matchName, matchSig, matchFlags,
                         lookupClass,
                         totalCount, buf);
                 if (bufCount <= buf.length) {
-                    if (bufCount >= 0)
+                    if (bufCount < 0)  bufCount = 0;
                     totalCount += bufCount;
                     break;
                 }
-                // JVM returned tp us with an intentional overflow!
+                // JVM returned to us with an intentional overflow!
                 totalCount += buf.length;
                 int excess = bufCount - buf.length;
                 if (bufs == null)  bufs = new ArrayList<MemberName[]>(1);
@@ -473,7 +480,7 @@ public final class MemberName implements Member, Cloneable {
                     Collections.addAll(result, buf0);
                 }
             }
-            Collections.addAll(result, buf);
+            result.addAll(Arrays.asList(buf).subList(0, bufCount));
             // Signature matching is not the same as type matching, since
             // one signature might correspond to several types.
             // So if matchType is a Class or MethodType, refilter the results.

src/share/classes/sun/dyn/MethodHandleImpl.java

@@ -25,12 +25,25 @@
 
 package sun.dyn;
 
+import java.dyn.JavaMethodHandle;
 import java.dyn.MethodHandle;
 import java.dyn.MethodHandles;
 import java.dyn.MethodHandles.Lookup;
 import java.dyn.MethodType;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import sun.dyn.util.VerifyType;
 import java.dyn.NoAccessException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import sun.dyn.empty.Empty;
+import sun.dyn.util.ValueConversions;
+import sun.dyn.util.Wrapper;
+import sun.misc.Unsafe;
 import static sun.dyn.MemberName.newIllegalArgumentException;
 import static sun.dyn.MemberName.newNoAccessException;
 
@@ -57,6 +70,25 @@ public abstract class MethodHandleImpl {
     static final int  INT_FIELD = 0;
     static final long LONG_FIELD = 0;
 
+    /** Access methods for the internals of MethodHandle, supplied to
+     *  MethodHandleImpl as a trusted agent.
+     */
+    static public interface MethodHandleFriend {
+        void initType(MethodHandle mh, MethodType type);
+    }
+    public static void setMethodHandleFriend(Access token, MethodHandleFriend am) {
+        Access.check(token);
+        if (METHOD_HANDLE_FRIEND != null)
+            throw new InternalError();  // just once
+        METHOD_HANDLE_FRIEND = am;
+    }
+    static private MethodHandleFriend METHOD_HANDLE_FRIEND;
+
+    // NOT public
+    static void initType(MethodHandle mh, MethodType type) {
+        METHOD_HANDLE_FRIEND.initType(mh, type);
+    }
+
     // type is defined in java.dyn.MethodHandle, which is platform-independent
 
     // vmentry (a void* field) is used *only* by by the JVM.
@@ -106,8 +138,8 @@ public abstract class MethodHandleImpl {
     }
 
     static {
-        // Force initialization:
-        Lookup.PUBLIC_LOOKUP.lookupClass();
+        // Force initialization of Lookup, so it calls us back as initLookup:
+        MethodHandles.publicLookup();
         if (IMPL_LOOKUP_INIT == null)
             throw new InternalError();
     }
@@ -151,7 +183,7 @@ public abstract class MethodHandleImpl {
             // adjust the advertised receiver type to be exactly the one requested
             // (in the case of invokespecial, this will be the calling class)
             Class<?> recvType = method.getDeclaringClass();
-            mtype = mtype.insertParameterType(0, recvType);
+            mtype = mtype.insertParameterTypes(0, recvType);
             if (method.isConstructor())
                 doDispatch = true;
             // FIXME: JVM has trouble building MH.invoke sites for
@@ -173,8 +205,9 @@ public abstract class MethodHandleImpl {
                              MemberName member, boolean isSetter,
                              Class<?> lookupClass) {
         Access.check(token);
-        // FIXME: Use sun.misc.Unsafe to dig up the dirt on the field.
-        throw new UnsupportedOperationException("Not yet implemented");
+        // Use sun. misc.Unsafe to dig up the dirt on the field.
+        MethodHandle mh = new FieldAccessor(token, member, isSetter);
+        return mh;
     }
 
     public static
@@ -183,8 +216,209 @@ public abstract class MethodHandleImpl {
         Access.check(token);
         if (!arrayClass.isArray())
             throw newIllegalArgumentException("not an array: "+arrayClass);
-        // FIXME: Use sun.misc.Unsafe to dig up the dirt on the array.
-        throw new UnsupportedOperationException("Not yet implemented");
+        Class<?> elemClass = arrayClass.getComponentType();
+        MethodHandle[] mhs = FieldAccessor.ARRAY_CACHE.get(elemClass);
+        if (mhs == null) {
+            if (!FieldAccessor.doCache(elemClass))
+                return FieldAccessor.ahandle(arrayClass, isSetter);
+            mhs = new MethodHandle[] {
+                FieldAccessor.ahandle(arrayClass, false),
+                FieldAccessor.ahandle(arrayClass, true)
+            };
+            if (mhs[0].type().parameterType(0) == Class.class) {
+                mhs[0] = MethodHandles.insertArguments(mhs[0], 0, elemClass);
+                mhs[1] = MethodHandles.insertArguments(mhs[1], 0, elemClass);
+            }
+            synchronized (FieldAccessor.ARRAY_CACHE) {}  // memory barrier
+            FieldAccessor.ARRAY_CACHE.put(elemClass, mhs);
+        }
+        return mhs[isSetter ? 1 : 0];
+    }
+
+    static final class FieldAccessor<C,V> extends JavaMethodHandle {
+        private static final Unsafe unsafe = Unsafe.getUnsafe();
+        final Object base;  // for static refs only
+        final long offset;
+        final String name;
+
+        public FieldAccessor(Access token, MemberName field, boolean isSetter) {
+            super(fhandle(field.getDeclaringClass(), field.getFieldType(), isSetter, field.isStatic()));
+            this.offset = (long) field.getVMIndex(token);
+            this.name = field.getName();
+            this.base = staticBase(field);
+        }
+        public String toString() { return name; }
+
+        int getFieldI(C obj) { return unsafe.getInt(obj, offset); }
+        void setFieldI(C obj, int x) { unsafe.putInt(obj, offset, x); }
+        long getFieldJ(C obj) { return unsafe.getLong(obj, offset); }
+        void setFieldJ(C obj, long x) { unsafe.putLong(obj, offset, x); }
+        float getFieldF(C obj) { return unsafe.getFloat(obj, offset); }
+        void setFieldF(C obj, float x) { unsafe.putFloat(obj, offset, x); }
+        double getFieldD(C obj) { return unsafe.getDouble(obj, offset); }
+        void setFieldD(C obj, double x) { unsafe.putDouble(obj, offset, x); }
+        boolean getFieldZ(C obj) { return unsafe.getBoolean(obj, offset); }
+        void setFieldZ(C obj, boolean x) { unsafe.putBoolean(obj, offset, x); }
+        byte getFieldB(C obj) { return unsafe.getByte(obj, offset); }
+        void setFieldB(C obj, byte x) { unsafe.putByte(obj, offset, x); }
+        short getFieldS(C obj) { return unsafe.getShort(obj, offset); }
+        void setFieldS(C obj, short x) { unsafe.putShort(obj, offset, x); }
+        char getFieldC(C obj) { return unsafe.getChar(obj, offset); }
+        void setFieldC(C obj, char x) { unsafe.putChar(obj, offset, x); }
+        @SuppressWarnings("unchecked")
+        V getFieldL(C obj) { return (V) unsafe.getObject(obj, offset); }
+        @SuppressWarnings("unchecked")
+        void setFieldL(C obj, V x) { unsafe.putObject(obj, offset, x); }
+        // cast (V) is OK here, since we wrap convertArguments around the MH.
+
+        static Object staticBase(MemberName field) {
+            if (!field.isStatic())  return null;
+            Class c = field.getDeclaringClass();
+            java.lang.reflect.Field f;
+            try {
+                // FIXME:  Should not have to create 'f' to get this value.
+                f = c.getDeclaredField(field.getName());
+                return unsafe.staticFieldBase(f);
+            } catch (Exception ee) {
+                Error e = new InternalError();
+                e.initCause(ee);
+                throw e;
+            }
+        }
+
+        int getStaticI() { return unsafe.getInt(base, offset); }
+        void setStaticI(int x) { unsafe.putInt(base, offset, x); }
+        long getStaticJ() { return unsafe.getLong(base, offset); }
+        void setStaticJ(long x) { unsafe.putLong(base, offset, x); }
+        float getStaticF() { return unsafe.getFloat(base, offset); }
+        void setStaticF(float x) { unsafe.putFloat(base, offset, x); }
+        double getStaticD() { return unsafe.getDouble(base, offset); }
+        void setStaticD(double x) { unsafe.putDouble(base, offset, x); }
+        boolean getStaticZ() { return unsafe.getBoolean(base, offset); }
+        void setStaticZ(boolean x) { unsafe.putBoolean(base, offset, x); }
+        byte getStaticB() { return unsafe.getByte(base, offset); }
+        void setStaticB(byte x) { unsafe.putByte(base, offset, x); }
+        short getStaticS() { return unsafe.getShort(base, offset); }
+        void setStaticS(short x) { unsafe.putShort(base, offset, x); }
+        char getStaticC() { return unsafe.getChar(base, offset); }
+        void setStaticC(char x) { unsafe.putChar(base, offset, x); }
+        V getStaticL() { return (V) unsafe.getObject(base, offset); }
+        void setStaticL(V x) { unsafe.putObject(base, offset, x); }
+
+        static String fname(Class<?> vclass, boolean isSetter, boolean isStatic) {
+            String stem;
+            if (!isStatic)
+                stem = (!isSetter ? "getField" : "setField");
+            else
+                stem = (!isSetter ? "getStatic" : "setStatic");
+            return stem + Wrapper.basicTypeChar(vclass);
+        }
+        static MethodType ftype(Class<?> cclass, Class<?> vclass, boolean isSetter, boolean isStatic) {
+            MethodType type;
+            if (!isStatic) {
+                if (!isSetter)
+                    return MethodType.methodType(vclass, cclass);
+                else
+                    return MethodType.methodType(void.class, cclass, vclass);
+            } else {
+                if (!isSetter)
+                    return MethodType.methodType(vclass);
+                else
+                    return MethodType.methodType(void.class, vclass);
+            }
+        }
+        static MethodHandle fhandle(Class<?> cclass, Class<?> vclass, boolean isSetter, boolean isStatic) {
+            String name = FieldAccessor.fname(vclass, isSetter, isStatic);
+            if (cclass.isPrimitive())  throw newIllegalArgumentException("primitive "+cclass);
+            Class<?> ecclass = Object.class;  //erase this type
+            Class<?> evclass = vclass;
+            if (!evclass.isPrimitive())  evclass = Object.class;
+            MethodType type = FieldAccessor.ftype(ecclass, evclass, isSetter, isStatic);
+            MethodHandle mh;
+            try {
+                mh = IMPL_LOOKUP.findVirtual(FieldAccessor.class, name, type);
+            } catch (NoAccessException ee) {
+                Error e = new InternalError("name,type="+name+type);
+                e.initCause(ee);
+                throw e;
+            }
+            if (evclass != vclass || (!isStatic && ecclass != cclass)) {
+                MethodType strongType = FieldAccessor.ftype(cclass, vclass, isSetter, isStatic);
+                strongType = strongType.insertParameterTypes(0, FieldAccessor.class);
+                mh = MethodHandles.convertArguments(mh, strongType);
+            }
+            return mh;
+        }
+
+        /// Support for array element access
+        static final HashMap<Class<?>, MethodHandle[]> ARRAY_CACHE =
+                new HashMap<Class<?>, MethodHandle[]>();
+        // FIXME: Cache on the classes themselves, not here.
+        static boolean doCache(Class<?> elemClass) {
+            if (elemClass.isPrimitive())  return true;
+            ClassLoader cl = elemClass.getClassLoader();
+            return cl == null || cl == ClassLoader.getSystemClassLoader();
+        }
+        static int getElementI(int[] a, int i) { return a[i]; }
+        static void setElementI(int[] a, int i, int x) { a[i] = x; }
+        static long getElementJ(long[] a, int i) { return a[i]; }
+        static void setElementJ(long[] a, int i, long x) { a[i] = x; }
+        static float getElementF(float[] a, int i) { return a[i]; }
+        static void setElementF(float[] a, int i, float x) { a[i] = x; }
+        static double getElementD(double[] a, int i) { return a[i]; }
+        static void setElementD(double[] a, int i, double x) { a[i] = x; }
+        static boolean getElementZ(boolean[] a, int i) { return a[i]; }
+        static void setElementZ(boolean[] a, int i, boolean x) { a[i] = x; }
+        static byte getElementB(byte[] a, int i) { return a[i]; }
+        static void setElementB(byte[] a, int i, byte x) { a[i] = x; }
+        static short getElementS(short[] a, int i) { return a[i]; }
+        static void setElementS(short[] a, int i, short x) { a[i] = x; }
+        static char getElementC(char[] a, int i) { return a[i]; }
+        static void setElementC(char[] a, int i, char x) { a[i] = x; }
+        static Object getElementL(Object[] a, int i) { return a[i]; }
+        static void setElementL(Object[] a, int i, Object x) { a[i] = x; }
+        static <V> V getElementL(Class<V[]> aclass, V[] a, int i) { return aclass.cast(a)[i]; }
+        static <V> void setElementL(Class<V[]> aclass, V[] a, int i, V x) { aclass.cast(a)[i] = x; }
+
+        static String aname(Class<?> aclass, boolean isSetter) {
+            Class<?> vclass = aclass.getComponentType();
+            if (vclass == null)  throw new IllegalArgumentException();
+            return (!isSetter ? "getElement" : "setElement") + Wrapper.basicTypeChar(vclass);
+        }
+        static MethodType atype(Class<?> aclass, boolean isSetter) {
+            Class<?> vclass = aclass.getComponentType();
+            if (!isSetter)
+                return MethodType.methodType(vclass, aclass, int.class);
+            else
+                return MethodType.methodType(void.class, aclass, int.class, vclass);
+        }
+        static MethodHandle ahandle(Class<?> aclass, boolean isSetter) {
+            Class<?> vclass = aclass.getComponentType();
+            String name = FieldAccessor.aname(aclass, isSetter);
+            Class<?> caclass = null;
+            if (!vclass.isPrimitive() && vclass != Object.class) {
+                caclass = aclass;
+                aclass = Object[].class;
+                vclass = Object.class;
+            }
+            MethodType type = FieldAccessor.atype(aclass, isSetter);
+            if (caclass != null)
+                type = type.insertParameterTypes(0, Class.class);
+            MethodHandle mh;
+            try {
+                mh = IMPL_LOOKUP.findStatic(FieldAccessor.class, name, type);
+            } catch (NoAccessException ee) {
+                Error e = new InternalError("name,type="+name+type);
+                e.initCause(ee);
+                throw e;
+            }
+            if (caclass != null) {
+                MethodType strongType = FieldAccessor.atype(caclass, isSetter);
+                mh = MethodHandles.insertArguments(mh, 0, caclass);
+                mh = MethodHandles.convertArguments(mh, strongType);
+            }
+            return mh;
+        }
     }
 
     /** Bind a predetermined first argument to the given direct method handle.
@@ -203,8 +437,11 @@ public abstract class MethodHandleImpl {
             if (info instanceof DirectMethodHandle) {
                 DirectMethodHandle dmh = (DirectMethodHandle) info;
                 if (receiver == null ||
-                    dmh.type().parameterType(0).isAssignableFrom(receiver.getClass()))
-                    target = dmh;
+                    dmh.type().parameterType(0).isAssignableFrom(receiver.getClass())) {
+                    MethodHandle bmh = new BoundMethodHandle(dmh, receiver, 0);
+                    MethodType newType = target.type().dropParameterTypes(0, 1);
+                    return convertArguments(token, bmh, newType, bmh.type(), null);
+                }
             }
         }
         if (target instanceof DirectMethodHandle)
@@ -223,7 +460,7 @@ public abstract class MethodHandleImpl {
     MethodHandle bindArgument(Access token,
                               MethodHandle target, int argnum, Object receiver) {
         Access.check(token);
-        throw new UnsupportedOperationException("NYI");
+        return new BoundMethodHandle(target, receiver, argnum);
     }
 
     public static MethodHandle convertArguments(Access token,
@@ -232,6 +469,189 @@ public abstract class MethodHandleImpl {
                                                 MethodType oldType,
                                                 int[] permutationOrNull) {
         Access.check(token);
+        if (permutationOrNull != null) {
+            int outargs = oldType.parameterCount(), inargs = newType.parameterCount();
+            if (permutationOrNull.length != outargs)
+                throw newIllegalArgumentException("wrong number of arguments in permutation");
+            // Make the individual outgoing argument types match up first.
+            Class<?>[] callTypeArgs = new Class<?>[outargs];
+            for (int i = 0; i < outargs; i++)
+                callTypeArgs[i] = newType.parameterType(permutationOrNull[i]);
+            MethodType callType = MethodType.methodType(oldType.returnType(), callTypeArgs);
+            target = convertArguments(token, target, callType, oldType, null);
+            assert(target != null);
+            oldType = target.type();
+            List<Integer> goal = new ArrayList<Integer>();  // i*TOKEN
+            List<Integer> state = new ArrayList<Integer>(); // i*TOKEN
+            List<Integer> drops = new ArrayList<Integer>(); // not tokens
+            List<Integer> dups = new ArrayList<Integer>();  // not tokens
+            final int TOKEN = 10; // to mark items which are symbolic only
+            // state represents the argument values coming into target
+            for (int i = 0; i < outargs; i++) {
+                state.add(permutationOrNull[i] * TOKEN);
+            }
+            // goal represents the desired state
+            for (int i = 0; i < inargs; i++) {
+                if (state.contains(i * TOKEN)) {
+                    goal.add(i * TOKEN);
+                } else {
+                    // adapter must initially drop all unused arguments
+                    drops.add(i);
+                }
+            }
+            // detect duplications
+            while (state.size() > goal.size()) {
+                for (int i2 = 0; i2 < state.size(); i2++) {
+                    int arg1 = state.get(i2);
+                    int i1 = state.indexOf(arg1);
+                    if (i1 != i2) {
+                        // found duplicate occurrence at i2
+                        int arg2 = (inargs++) * TOKEN;
+                        state.set(i2, arg2);
+                        dups.add(goal.indexOf(arg1));
+                        goal.add(arg2);
+                    }
+                }
+            }
+            assert(state.size() == goal.size());
+            int size = goal.size();
+            while (!state.equals(goal)) {
+                // Look for a maximal sequence of adjacent misplaced arguments,
+                // and try to rotate them into place.
+                int bestRotArg = -10 * TOKEN, bestRotLen = 0;
+                int thisRotArg = -10 * TOKEN, thisRotLen = 0;
+                for (int i = 0; i < size; i++) {
+                    int arg = state.get(i);
+                    // Does this argument match the current run?
+                    if (arg == thisRotArg + TOKEN) {
+                        thisRotArg = arg;
+                        thisRotLen += 1;
+                        if (bestRotLen < thisRotLen) {
+                            bestRotLen = thisRotLen;
+                            bestRotArg = thisRotArg;
+                        }
+                    } else {
+                        // The old sequence (if any) stops here.
+                        thisRotLen = 0;
+                        thisRotArg = -10 * TOKEN;
+                        // But maybe a new one starts here also.
+                        int wantArg = goal.get(i);
+                        final int MAX_ARG_ROTATION = AdapterMethodHandle.MAX_ARG_ROTATION;
+                        if (arg != wantArg &&
+                            arg >= wantArg - TOKEN * MAX_ARG_ROTATION &&
+                            arg <= wantArg + TOKEN * MAX_ARG_ROTATION) {
+                            thisRotArg = arg;
+                            thisRotLen = 1;
+                        }
+                    }
+                }
+                if (bestRotLen >= 2) {
+                    // Do a rotation if it can improve argument positioning
+                    // by at least 2 arguments.  This is not always optimal,
+                    // but it seems to catch common cases.
+                    int dstEnd = state.indexOf(bestRotArg);
+                    int srcEnd = goal.indexOf(bestRotArg);
+                    int rotBy = dstEnd - srcEnd;
+                    int dstBeg = dstEnd - (bestRotLen - 1);
+                    int srcBeg = srcEnd - (bestRotLen - 1);
+                    assert((dstEnd | dstBeg | srcEnd | srcBeg) >= 0); // no negs
+                    // Make a span which covers both source and destination.
+                    int rotBeg = Math.min(dstBeg, srcBeg);
+                    int rotEnd = Math.max(dstEnd, srcEnd);
+                    int score = 0;
+                    for (int i = rotBeg; i <= rotEnd; i++) {
+                        if ((int)state.get(i) != (int)goal.get(i))
+                            score += 1;
+                    }
+                    List<Integer> rotSpan = state.subList(rotBeg, rotEnd+1);
+                    Collections.rotate(rotSpan, -rotBy);  // reverse direction
+                    for (int i = rotBeg; i <= rotEnd; i++) {
+                        if ((int)state.get(i) != (int)goal.get(i))
+                            score -= 1;
+                    }
+                    if (score >= 2) {
+                        // Improved at least two argument positions.  Do it.
+                        List<Class<?>> ptypes = Arrays.asList(oldType.parameterArray());
+                        Collections.rotate(ptypes.subList(rotBeg, rotEnd+1), -rotBy);
+                        MethodType rotType = MethodType.methodType(oldType.returnType(), ptypes);
+                        MethodHandle nextTarget
+                                = AdapterMethodHandle.makeRotateArguments(token, rotType, target,
+                                        rotBeg, rotSpan.size(), rotBy);
+                        if (nextTarget != null) {
+                            //System.out.println("Rot: "+rotSpan+" by "+rotBy);
+                            target = nextTarget;
+                            oldType = rotType;
+                            continue;
+                        }
+                    }
+                    // Else de-rotate, and drop through to the swap-fest.
+                    Collections.rotate(rotSpan, rotBy);
+                }
+
+                // Now swap like the wind!
+                List<Class<?>> ptypes = Arrays.asList(oldType.parameterArray());
+                for (int i = 0; i < size; i++) {
+                    // What argument do I want here?
+                    int arg = goal.get(i);
+                    if (arg != state.get(i)) {
+                        // Where is it now?
+                        int j = state.indexOf(arg);
+                        Collections.swap(ptypes, i, j);
+                        MethodType swapType = MethodType.methodType(oldType.returnType(), ptypes);
+                        target = AdapterMethodHandle.makeSwapArguments(token, swapType, target, i, j);
+                        if (target == null)  throw newIllegalArgumentException("cannot swap");
+                        assert(target.type() == swapType);
+                        oldType = swapType;
+                        Collections.swap(state, i, j);
+                    }
+                }
+                // One pass of swapping must finish the job.
+                assert(state.equals(goal));
+            }
+            while (!dups.isEmpty()) {
+                // Grab a contiguous trailing sequence of dups.
+                int grab = dups.size() - 1;
+                int dupArgPos = dups.get(grab), dupArgCount = 1;
+                while (grab - 1 >= 0) {
+                    int dup0 = dups.get(grab - 1);
+                    if (dup0 != dupArgPos - 1)  break;
+                    dupArgPos -= 1;
+                    dupArgCount += 1;
+                    grab -= 1;
+                }
+                //if (dupArgCount > 1)  System.out.println("Dup: "+dups.subList(grab, dups.size()));
+                dups.subList(grab, dups.size()).clear();
+                // In the new target type drop that many args from the tail:
+                List<Class<?>> ptypes = oldType.parameterList();
+                ptypes = ptypes.subList(0, ptypes.size() - dupArgCount);
+                MethodType dupType = MethodType.methodType(oldType.returnType(), ptypes);
+                target = AdapterMethodHandle.makeDupArguments(token, dupType, target, dupArgPos, dupArgCount);
+                if (target == null)
+                    throw newIllegalArgumentException("cannot dup");
+                oldType = target.type();
+            }
+            while (!drops.isEmpty()) {
+                // Grab a contiguous initial sequence of drops.
+                int dropArgPos = drops.get(0), dropArgCount = 1;
+                while (dropArgCount < drops.size()) {
+                    int drop1 = drops.get(dropArgCount);
+                    if (drop1 != dropArgPos + dropArgCount)  break;
+                    dropArgCount += 1;
+                }
+                //if (dropArgCount > 1)  System.out.println("Drop: "+drops.subList(0, dropArgCount));
+                drops.subList(0, dropArgCount).clear();
+                List<Class<?>> dropTypes = newType.parameterList()
+                        .subList(dropArgPos, dropArgPos + dropArgCount);
+                MethodType dropType = oldType.insertParameterTypes(dropArgPos, dropTypes);
+                target = AdapterMethodHandle.makeDropArguments(token, dropType, target, dropArgPos, dropArgCount);
+                if (target == null)  throw newIllegalArgumentException("cannot drop");
+                oldType = target.type();
+            }
+        }
+        if (newType == oldType)
+            return target;
+        if (oldType.parameterCount() != newType.parameterCount())
+            throw newIllegalArgumentException("mismatched parameter count");
         MethodHandle res = AdapterMethodHandle.makePairwiseConvert(token, newType, target);
         if (res != null)
             return res;
@@ -241,7 +661,7 @@ public abstract class MethodHandleImpl {
         // Use a heavier method:  Convert all the arguments to Object,
         // then back to the desired types.  We might have to use Java-based
         // method handles to do this.
-        MethodType objType = MethodType.makeGeneric(argc);
+        MethodType objType = MethodType.genericMethodType(argc);
         MethodHandle objTarget = AdapterMethodHandle.makePairwiseConvert(token, objType, target);
         if (objTarget == null)
             objTarget = FromGeneric.make(target);
@@ -272,83 +692,386 @@ public abstract class MethodHandleImpl {
         Class<?>[] ptypes = oldType.parameterArray();
         for (int i = 0; i < spreadCount; i++)
             ptypes[spreadArg + i] = VerifyType.spreadArgElementType(spreadType, i);
-        MethodType midType = MethodType.make(newType.returnType(), ptypes);
+        MethodType midType = MethodType.methodType(newType.returnType(), ptypes);
         // after spreading, some arguments may need further conversion
-        target = convertArguments(token, target, midType, oldType, null);
-        if (target == null)
+        MethodHandle target2 = convertArguments(token, target, midType, oldType, null);
+        if (target2 == null)
             throw new UnsupportedOperationException("NYI: convert "+midType+" =calls=> "+oldType);
-        res = AdapterMethodHandle.makeSpreadArguments(token, newType, target, spreadArgType, spreadArg, spreadCount);
+        res = AdapterMethodHandle.makeSpreadArguments(token, newType, target2, spreadArgType, spreadArg, spreadCount);
+        if (res != null)
+            return res;
+        res = SpreadGeneric.make(target2, spreadCount);
+        if (res != null)
+            res = convertArguments(token, res, newType, res.type(), null);
         return res;
     }
 
     public static MethodHandle collectArguments(Access token,
                                                 MethodHandle target,
                                                 MethodType newType,
-                                                int collectArg) {
-        if (collectArg > 0)
-            throw new UnsupportedOperationException("NYI");
-        throw new UnsupportedOperationException("NYI");
+                                                int collectArg,
+                                                MethodHandle collector) {
+        MethodType oldType = target.type();     // (a...,c)=>r
+        if (collector == null) {
+            int numCollect = newType.parameterCount() - oldType.parameterCount() + 1;
+            collector = ValueConversions.varargsArray(numCollect);
+        }
+        //         newType                      // (a..., b...)=>r
+        MethodType colType = collector.type();  // (b...)=>c
+        //         oldType                      // (a..., b...)=>r
+        assert(newType.parameterCount() == collectArg + colType.parameterCount());
+        assert(oldType.parameterCount() == collectArg + 1);
+        MethodHandle gtarget = convertArguments(token, target, oldType.generic(), oldType, null);
+        MethodHandle gcollector = convertArguments(token, collector, colType.generic(), colType, null);
+        if (gtarget == null || gcollector == null)  return null;
+        MethodHandle gresult = FilterGeneric.makeArgumentCollector(gcollector, gtarget);
+        MethodHandle result = convertArguments(token, gresult, newType, gresult.type(), null);
+        return result;
+    }
+
+    public static MethodHandle filterArgument(Access token,
+                                              MethodHandle target,
+                                              int pos,
+                                              MethodHandle filter) {
+        Access.check(token);
+        MethodType ttype = target.type(), gttype = ttype.generic();
+        if (ttype != gttype) {
+            target = convertArguments(token, target, gttype, ttype, null);
+            ttype = gttype;
+        }
+        MethodType ftype = filter.type(), gftype = ftype.generic();
+        if (ftype.parameterCount() != 1)
+            throw new InternalError();
+        if (ftype != gftype) {
+            filter = convertArguments(token, filter, gftype, ftype, null);
+            ftype = gftype;
+        }
+        if (ftype == ttype) {
+            // simple unary case
+            return FilterOneArgument.make(filter, target);
+        }
+        return FilterGeneric.makeArgumentFilter(pos, filter, target);
+    }
+
+    public static MethodHandle foldArguments(Access token,
+                                             MethodHandle target,
+                                             MethodType newType,
+                                             MethodHandle combiner) {
+        Access.check(token);
+        MethodType oldType = target.type();
+        MethodType ctype = combiner.type();
+        MethodHandle gtarget = convertArguments(token, target, oldType.generic(), oldType, null);
+        MethodHandle gcombiner = convertArguments(token, combiner, ctype.generic(), ctype, null);
+        if (gtarget == null || gcombiner == null)  return null;
+        MethodHandle gresult = FilterGeneric.makeArgumentFolder(gcombiner, gtarget);
+        MethodHandle result = convertArguments(token, gresult, newType, gresult.type(), null);
+        return result;
     }
+
     public static
     MethodHandle dropArguments(Access token, MethodHandle target,
                                MethodType newType, int argnum) {
         Access.check(token);
+        int drops = newType.parameterCount() - target.type().parameterCount();
+        MethodHandle res = AdapterMethodHandle.makeDropArguments(token, newType, target, argnum, drops);
+        if (res != null)
+            return res;
         throw new UnsupportedOperationException("NYI");
     }
 
+    private static class GuardWithTest extends JavaMethodHandle {
+        private final MethodHandle test, target, fallback;
+        public GuardWithTest(MethodHandle test, MethodHandle target, MethodHandle fallback) {
+            this(INVOKES[target.type().parameterCount()], test, target, fallback);
+        }
+        public GuardWithTest(MethodHandle invoker,
+                             MethodHandle test, MethodHandle target, MethodHandle fallback) {
+            super(invoker);
+            this.test = test;
+            this.target = target;
+            this.fallback = fallback;
+        }
+        @Override
+        public String toString() {
+            return target.toString();
+        }
+        private Object invoke_V(Object... av) throws Throwable {
+            if (test.<boolean>invoke(av))
+                return target.<Object>invoke(av);
+            return fallback.<Object>invoke(av);
+        }
+        private Object invoke_L0() throws Throwable {
+            if (test.<boolean>invoke())
+                return target.<Object>invoke();
+            return fallback.<Object>invoke();
+        }
+        private Object invoke_L1(Object a0) throws Throwable {
+            if (test.<boolean>invoke(a0))
+                return target.<Object>invoke(a0);
+            return fallback.<Object>invoke(a0);
+        }
+        private Object invoke_L2(Object a0, Object a1) throws Throwable {
+            if (test.<boolean>invoke(a0, a1))
+                return target.<Object>invoke(a0, a1);
+            return fallback.<Object>invoke(a0, a1);
+        }
+        private Object invoke_L3(Object a0, Object a1, Object a2) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2))
+                return target.<Object>invoke(a0, a1, a2);
+            return fallback.<Object>invoke(a0, a1, a2);
+        }
+        private Object invoke_L4(Object a0, Object a1, Object a2, Object a3) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2, a3))
+                return target.<Object>invoke(a0, a1, a2, a3);
+            return fallback.<Object>invoke(a0, a1, a2, a3);
+        }
+        private Object invoke_L5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2, a3, a4))
+                return target.<Object>invoke(a0, a1, a2, a3, a4);
+            return fallback.<Object>invoke(a0, a1, a2, a3, a4);
+        }
+        private Object invoke_L6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2, a3, a4, a5))
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5);
+            return fallback.<Object>invoke(a0, a1, a2, a3, a4, a5);
+        }
+        private Object invoke_L7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2, a3, a4, a5, a6))
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6);
+            return fallback.<Object>invoke(a0, a1, a2, a3, a4, a5, a6);
+        }
+        private Object invoke_L8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable {
+            if (test.<boolean>invoke(a0, a1, a2, a3, a4, a5, a6, a7))
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7);
+            return fallback.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7);
+        }
+        static MethodHandle[] makeInvokes() {
+            ArrayList<MethodHandle> invokes = new ArrayList<MethodHandle>();
+            MethodHandles.Lookup lookup = IMPL_LOOKUP;
+            for (;;) {
+                int nargs = invokes.size();
+                String name = "invoke_L"+nargs;
+                MethodHandle invoke = null;
+                try {
+                    invoke = lookup.findVirtual(GuardWithTest.class, name, MethodType.genericMethodType(nargs));
+                } catch (NoAccessException ex) {
+                }
+                if (invoke == null)  break;
+                invokes.add(invoke);
+            }
+            assert(invokes.size() == 9);  // current number of methods
+            return invokes.toArray(new MethodHandle[0]);
+        };
+        static final MethodHandle[] INVOKES = makeInvokes();
+        // For testing use this:
+        //static final MethodHandle[] INVOKES = Arrays.copyOf(makeInvokes(), 2);
+        static final MethodHandle VARARGS_INVOKE;
+        static {
+            try {
+                VARARGS_INVOKE = IMPL_LOOKUP.findVirtual(GuardWithTest.class, "invoke_V", MethodType.genericMethodType(0, true));
+            } catch (NoAccessException ex) {
+                throw new InternalError("");
+            }
+        }
+    }
+
     public static
     MethodHandle makeGuardWithTest(Access token,
-                                   final MethodHandle test,
-                                   final MethodHandle target,
-                                   final MethodHandle fallback) {
+                                   MethodHandle test,
+                                   MethodHandle target,
+                                   MethodHandle fallback) {
+        Access.check(token);
+        MethodType type = target.type();
+        int nargs = type.parameterCount();
+        if (nargs < GuardWithTest.INVOKES.length) {
+            MethodType gtype = type.generic();
+            MethodHandle gtest = convertArguments(token, test, gtype.changeReturnType(boolean.class), test.type(), null);
+            MethodHandle gtarget = convertArguments(token, target, gtype, type, null);
+            MethodHandle gfallback = convertArguments(token, fallback, gtype, type, null);
+            if (gtest == null || gtarget == null || gfallback == null)  return null;
+            MethodHandle gguard = new GuardWithTest(gtest, gtarget, gfallback);
+            return convertArguments(token, gguard, type, gtype, null);
+        } else {
+            MethodType gtype = MethodType.genericMethodType(0, true);
+            MethodHandle gtest = spreadArguments(token, test, gtype.changeReturnType(boolean.class), 0);
+            MethodHandle gtarget = spreadArguments(token, target, gtype, 0);
+            MethodHandle gfallback = spreadArguments(token, fallback, gtype, 0);
+            MethodHandle gguard = new GuardWithTest(GuardWithTest.VARARGS_INVOKE, gtest, gtarget, gfallback);
+            if (gtest == null || gtarget == null || gfallback == null)  return null;
+            return collectArguments(token, gguard, type, 0, null);
+        }
+    }
+
+    private static class GuardWithCatch extends JavaMethodHandle {
+        private final MethodHandle target;
+        private final Class<? extends Throwable> exType;
+        private final MethodHandle catcher;
+        public GuardWithCatch(MethodHandle target, Class<? extends Throwable> exType, MethodHandle catcher) {
+            this(INVOKES[target.type().parameterCount()], target, exType, catcher);
+        }
+        public GuardWithCatch(MethodHandle invoker,
+                              MethodHandle target, Class<? extends Throwable> exType, MethodHandle catcher) {
+            super(invoker);
+            this.target = target;
+            this.exType = exType;
+            this.catcher = catcher;
+        }
+        @Override
+        public String toString() {
+            return target.toString();
+        }
+        private Object invoke_V(Object... av) throws Throwable {
+            try {
+                return target.<Object>invoke(av);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, av);
+            }
+        }
+        private Object invoke_L0() throws Throwable {
+            try {
+                return target.<Object>invoke();
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t);
+            }
+        }
+        private Object invoke_L1(Object a0) throws Throwable {
+            try {
+                return target.<Object>invoke(a0);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0);
+            }
+        }
+        private Object invoke_L2(Object a0, Object a1) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1);
+            }
+        }
+        private Object invoke_L3(Object a0, Object a1, Object a2) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2);
+            }
+        }
+        private Object invoke_L4(Object a0, Object a1, Object a2, Object a3) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2, a3);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2, a3);
+            }
+        }
+        private Object invoke_L5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2, a3, a4);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2, a3, a4);
+            }
+        }
+        private Object invoke_L6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2, a3, a4, a5);
+            }
+        }
+        private Object invoke_L7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2, a3, a4, a5, a6);
+            }
+        }
+        private Object invoke_L8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable {
+            try {
+                return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7);
+            } catch (Throwable t) {
+                if (!exType.isInstance(t))  throw t;
+                return catcher.<Object>invoke(t, a0, a1, a2, a3, a4, a5, a6, a7);
+            }
+        }
+        static MethodHandle[] makeInvokes() {
+            ArrayList<MethodHandle> invokes = new ArrayList<MethodHandle>();
+            MethodHandles.Lookup lookup = IMPL_LOOKUP;
+            for (;;) {
+                int nargs = invokes.size();
+                String name = "invoke_L"+nargs;
+                MethodHandle invoke = null;
+                try {
+                    invoke = lookup.findVirtual(GuardWithCatch.class, name, MethodType.genericMethodType(nargs));
+                } catch (NoAccessException ex) {
+                }
+                if (invoke == null)  break;
+                invokes.add(invoke);
+            }
+            assert(invokes.size() == 9);  // current number of methods
+            return invokes.toArray(new MethodHandle[0]);
+        };
+        static final MethodHandle[] INVOKES = makeInvokes();
+        // For testing use this:
+        //static final MethodHandle[] INVOKES = Arrays.copyOf(makeInvokes(), 2);
+        static final MethodHandle VARARGS_INVOKE;
+        static {
+            try {
+                VARARGS_INVOKE = IMPL_LOOKUP.findVirtual(GuardWithCatch.class, "invoke_V", MethodType.genericMethodType(0, true));
+            } catch (NoAccessException ex) {
+                throw new InternalError("");
+            }
+        }
+    }
+
+
+    public static
+    MethodHandle makeGuardWithCatch(Access token,
+                                    MethodHandle target,
+                                    Class<? extends Throwable> exType,
+                                    MethodHandle catcher) {
         Access.check(token);
-        // %%% This is just a sketch.  It needs to be de-boxed.
-        // Adjust the handles to accept varargs lists.
         MethodType type = target.type();
-        Class<?>  rtype = type.returnType();
-        if (type.parameterCount() != 1 || type.parameterType(0).isPrimitive()) {
-            MethodType vatestType   = MethodType.make(boolean.class, Object[].class);
-            MethodType vatargetType = MethodType.make(rtype, Object[].class);
-            MethodHandle vaguard = makeGuardWithTest(token,
-                    MethodHandles.spreadArguments(test, vatestType),
-                    MethodHandles.spreadArguments(target, vatargetType),
-                    MethodHandles.spreadArguments(fallback, vatargetType));
-            return MethodHandles.collectArguments(vaguard, type);
-        }
-        if (rtype.isPrimitive()) {
-            MethodType boxtype = type.changeReturnType(Object.class);
-            MethodHandle boxguard = makeGuardWithTest(token,
-                    test,
-                    MethodHandles.convertArguments(target, boxtype),
-                    MethodHandles.convertArguments(fallback, boxtype));
-            return MethodHandles.convertArguments(boxguard, type);
-        }
-        // Got here?  Reduced calling sequence to Object(Object).
-        class Guarder {
-            Object invoke(Object x) {
-                // If javac supports MethodHandle.invoke directly:
-                //z = vatest.invoke<boolean>(arguments);
-                // If javac does not support direct MH.invoke calls:
-                boolean z = (Boolean) MethodHandles.invoke_1(test, x);
-                MethodHandle mh = (z ? target : fallback);
-                return MethodHandles.invoke_1(mh, x);
-            }
-            MethodHandle handle() {
-                MethodType invokeType = MethodType.makeGeneric(0, true);
-                MethodHandle vh = IMPL_LOOKUP.bind(this, "invoke", invokeType);
-                return MethodHandles.collectArguments(vh, target.type());
-            }
-        }
-        return new Guarder().handle();
+        MethodType ctype = catcher.type();
+        int nargs = type.parameterCount();
+        if (nargs < GuardWithCatch.INVOKES.length) {
+            MethodType gtype = type.generic();
+            MethodType gcatchType = gtype.insertParameterTypes(0, Throwable.class);
+            MethodHandle gtarget = convertArguments(token, target, gtype, type, null);
+            MethodHandle gcatcher = convertArguments(token, catcher, gcatchType, ctype, null);
+            MethodHandle gguard = new GuardWithCatch(gtarget, exType, gcatcher);
+            if (gtarget == null || gcatcher == null || gguard == null)  return null;
+            return convertArguments(token, gguard, type, gtype, null);
+        } else {
+            MethodType gtype = MethodType.genericMethodType(0, true);
+            MethodType gcatchType = gtype.insertParameterTypes(0, Throwable.class);
+            MethodHandle gtarget = spreadArguments(token, target, gtype, 0);
+            MethodHandle gcatcher = spreadArguments(token, catcher, gcatchType, 1);
+            MethodHandle gguard = new GuardWithCatch(GuardWithCatch.VARARGS_INVOKE, gtarget, exType, gcatcher);
+            if (gtarget == null || gcatcher == null || gguard == null)  return null;
+            return collectArguments(token, gguard, type, 0, null);
+        }
     }
 
     public static
-    MethodHandle combineArguments(Access token, MethodHandle target, MethodHandle checker, int pos) {
+    MethodHandle throwException(Access token, MethodType type) {
         Access.check(token);
-        throw new UnsupportedOperationException("Not yet implemented");
+        return AdapterMethodHandle.makeRetypeRaw(token, type, THROW_EXCEPTION);
     }
 
-    protected static String basicToString(MethodHandle target) {
+    static final MethodHandle THROW_EXCEPTION
+            = IMPL_LOOKUP.findStatic(MethodHandleImpl.class, "throwException",
+                    MethodType.methodType(Empty.class, Throwable.class));
+    static <T extends Throwable> Empty throwException(T t) throws T { throw t; }
+
+    public static String getNameString(Access token, MethodHandle target) {
+        Access.check(token);
         MemberName name = null;
         if (target != null)
             name = MethodHandleNatives.getMethodName(target);
@@ -357,17 +1080,30 @@ public abstract class MethodHandleImpl {
         return name.getName();
     }
 
-    protected static String addTypeString(MethodHandle target, String name) {
-        if (target == null)  return name;
-        return name+target.type();
+    public static String addTypeString(MethodHandle target) {
+        if (target == null)  return "null";
+        return target.toString() + target.type();
     }
-    static RuntimeException newIllegalArgumentException(String string) {
-        return new IllegalArgumentException(string);
+
+    public static void checkSpreadArgument(Object av, int n) {
+        if (av == null ? n != 0 : ((Object[])av).length != n)
+            throw newIllegalArgumentException("Array is not of length "+n);
     }
 
-    @Override
-    public String toString() {
-        MethodHandle self = (MethodHandle) this;
-        return addTypeString(self, basicToString(self));
+    public static void raiseException(int code, Object actual, Object required) {
+        String message;
+        // disregard the identity of the actual object, if it is not a class:
+        if (!(actual instanceof Class) && !(actual instanceof MethodType))
+            actual = actual.getClass();
+        if (actual != null)
+            message = "required "+required+" but encountered "+actual;
+        else
+            message = "required "+required;
+        switch (code) {
+        case 192: // checkcast
+            throw new ClassCastException(message);
+        default:
+            throw new InternalError("unexpected code "+code+": "+message);
+        }
     }
 }

src/share/classes/sun/dyn/MethodHandleNatives.java

@@ -25,6 +25,7 @@
 
 package sun.dyn;
 
+import java.dyn.CallSite;
 import java.dyn.MethodHandle;
 import java.dyn.MethodType;
 import java.lang.reflect.AccessibleObject;
@@ -60,7 +61,7 @@ class MethodHandleNatives {
     static native void init(MethodType self);
 
     /** Tell the JVM that we need to change the target of an invokedynamic. */
-    static native void linkCallSite(CallSiteImpl site, MethodHandle target);
+    static native void linkCallSite(CallSite site, MethodHandle target);
 
     /** Fetch the vmtarget field.
      *  It will be sanitized as necessary to avoid exposing non-Java references.
@@ -84,8 +85,7 @@ class MethodHandleNatives {
     }
 
     /** Fetch the target of this method handle.
-     *  If it directly targets a method, return a tuple of method info.
-     *  The info is of the form new Object[]{defclass, name, sig, refclass}.
+     *  If it directly targets a method, return a MemberName for the method.
      *  If it is chained to another method handle, return that handle.
      */
     static Object getTargetInfo(MethodHandle self) {
@@ -123,7 +123,7 @@ class MethodHandleNatives {
             registerNatives();
             JVM_SUPPORT_ = true;
             JVM_PUSH_LIMIT_ = getConstant(Constants.GC_JVM_PUSH_LIMIT);
-            JVM_STACK_MOVE_UNIT_ = getConstant(Constants.GC_JVM_STACK_MOVE_LIMIT);
+            JVM_STACK_MOVE_UNIT_ = getConstant(Constants.GC_JVM_STACK_MOVE_UNIT);
             //sun.reflect.Reflection.registerMethodsToFilter(MethodHandleImpl.class, "init");
         } catch (UnsatisfiedLinkError ee) {
             // ignore; if we use init() methods later we'll see linkage errors
@@ -149,7 +149,7 @@ class MethodHandleNatives {
         // MethodHandleImpl
         static final int // for getConstant
                 GC_JVM_PUSH_LIMIT = 0,
-                GC_JVM_STACK_MOVE_LIMIT = 1;
+                GC_JVM_STACK_MOVE_UNIT = 1;
         static final int
                 ETF_HANDLE_OR_METHOD_NAME = 0, // all available data (immediate MH or method)
                 ETF_DIRECT_HANDLE         = 1, // ultimate method handle (will be a DMH, may be self)
@@ -178,19 +178,20 @@ class MethodHandleNatives {
          */
         static final int
             OP_RETYPE_ONLY   = 0x0, // no argument changes; straight retype
-            OP_CHECK_CAST    = 0x1, // ref-to-ref conversion; requires a Class argument
-            OP_PRIM_TO_PRIM  = 0x2, // converts from one primitive to another
-            OP_REF_TO_PRIM   = 0x3, // unboxes a wrapper to produce a primitive
-            OP_PRIM_TO_REF   = 0x4, // boxes a primitive into a wrapper (NYI)
-            OP_SWAP_ARGS     = 0x5, // swap arguments (vminfo is 2nd arg)
-            OP_ROT_ARGS      = 0x6, // rotate arguments (vminfo is displaced arg)
-            OP_DUP_ARGS      = 0x7, // duplicates one or more arguments (at TOS)
-            OP_DROP_ARGS     = 0x8, // remove one or more argument slots
-            OP_COLLECT_ARGS  = 0x9, // combine one or more arguments into a varargs (NYI)
-            OP_SPREAD_ARGS   = 0xA, // expand in place a varargs array (of known size)
-            OP_FLYBY         = 0xB, // operate first on reified argument list (NYI)
-            OP_RICOCHET      = 0xC, // run an adapter chain on the return value (NYI)
-            CONV_OP_LIMIT    = 0xD; // limit of CONV_OP enumeration
+            OP_RETYPE_RAW    = 0x1, // no argument changes; straight retype
+            OP_CHECK_CAST    = 0x2, // ref-to-ref conversion; requires a Class argument
+            OP_PRIM_TO_PRIM  = 0x3, // converts from one primitive to another
+            OP_REF_TO_PRIM   = 0x4, // unboxes a wrapper to produce a primitive
+            OP_PRIM_TO_REF   = 0x5, // boxes a primitive into a wrapper (NYI)
+            OP_SWAP_ARGS     = 0x6, // swap arguments (vminfo is 2nd arg)
+            OP_ROT_ARGS      = 0x7, // rotate arguments (vminfo is displaced arg)
+            OP_DUP_ARGS      = 0x8, // duplicates one or more arguments (at TOS)
+            OP_DROP_ARGS     = 0x9, // remove one or more argument slots
+            OP_COLLECT_ARGS  = 0xA, // combine one or more arguments into a varargs (NYI)
+            OP_SPREAD_ARGS   = 0xB, // expand in place a varargs array (of known size)
+            OP_FLYBY         = 0xC, // operate first on reified argument list (NYI)
+            OP_RICOCHET      = 0xD, // run an adapter chain on the return value (NYI)
+            CONV_OP_LIMIT    = 0xE; // limit of CONV_OP enumeration
         /** Shift and mask values for decoding the AMH.conversion field.
          *  These numbers are shared with the JVM for creating AMHs.
          */
@@ -209,6 +210,7 @@ class MethodHandleNatives {
                 // TODO: The following expression should be replaced by
                 // a JVM query.
                 ((1<<OP_RETYPE_ONLY)
+                |(1<<OP_RETYPE_RAW)
                 |(1<<OP_CHECK_CAST)
                 |(1<<OP_PRIM_TO_PRIM)
                 |(1<<OP_REF_TO_PRIM)
@@ -216,6 +218,7 @@ class MethodHandleNatives {
                 |(1<<OP_ROT_ARGS)
                 |(1<<OP_DUP_ARGS)
                 |(1<<OP_DROP_ARGS)
+                //|(1<<OP_SPREAD_ARGS) // FIXME: Check JVM assembly code.
                 );
 
         /**

src/share/classes/sun/dyn/MethodTypeImpl.java

@@ -27,6 +27,7 @@ package sun.dyn;
 
 import java.dyn.*;
 import sun.dyn.util.Wrapper;
+import static sun.dyn.MemberName.newIllegalArgumentException;
 
 /**
  * Shared information for a group of method types, which differ
@@ -56,8 +57,8 @@ public class MethodTypeImpl {
     // Cached adapter information:
     /*lazy*/ ToGeneric   toGeneric;     // convert cs. with prims to w/o
     /*lazy*/ FromGeneric fromGeneric;   // convert cs. w/o prims to with
+    /*lazy*/ SpreadGeneric[] spreadGeneric; // expand one argument to many
     /*lazy*/ FilterGeneric filterGeneric; // convert argument(s) on the fly
-    ///*lazy*/ Invokers    invokers;    // cache of handy higher-order adapters
 
     public MethodType erasedType() {
         return erasedType;
@@ -68,7 +69,7 @@ public class MethodTypeImpl {
     }
 
     /** Access methods for the internals of MethodType, supplied to
-     *  MethodTypeForm as a trusted agent.
+     *  MethodTypeImpl as a trusted agent.
      */
     static public interface MethodTypeFriend {
         Class<?>[]     ptypes(MethodType mt);
@@ -150,7 +151,7 @@ public class MethodTypeImpl {
         this.argToSlotTable = argToSlotTab;
         this.slotToArgTable = slotToArgTab;
 
-        if (pslotCount >= 256)  throw new IllegalArgumentException("too many arguments");
+        if (pslotCount >= 256)  throw newIllegalArgumentException("too many arguments");
 
         // send a few bits down to the JVM:
         this.vmslots = parameterSlotCount();
@@ -378,10 +379,10 @@ public class MethodTypeImpl {
     static MethodTypeImpl findForm(MethodType mt) {
         MethodType erased = canonicalize(mt, ERASE, ERASE);
         if (erased == null) {
-            // It is already erased.  Make a new MethodTypeForm.
+            // It is already erased.  Make a new MethodTypeImpl.
             return METHOD_TYPE_FRIEND.newMethodTypeForm(mt);
         } else {
-            // Share the MethodTypeForm with the erased version.
+            // Share the MethodTypeImpl with the erased version.
             return METHOD_TYPE_FRIEND.form(erased);
         }
     }

src/share/classes/sun/dyn/SpreadGeneric.java

+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.dyn;
+
+import java.dyn.JavaMethodHandle;
+import java.dyn.MethodHandle;
+import java.dyn.MethodHandles;
+import java.dyn.MethodType;
+import java.dyn.NoAccessException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import sun.dyn.util.ValueConversions;
+import static sun.dyn.MemberName.newIllegalArgumentException;
+
+/**
+ * Generic spread adapter.
+ * Expands a final argument into multiple (zero or more) arguments, keeping the others the same.
+ * @author jrose
+ */
+class SpreadGeneric {
+    // type for the outgoing call
+    private final MethodType targetType;
+    // number of arguments to spread
+    private final int spreadCount;
+    // prototype adapter (clone and customize for each new target!)
+    private final Adapter adapter;
+    // entry point for adapter (Adapter mh, a...) => ...
+    private final MethodHandle entryPoint;
+
+    /** Compute and cache information common to all spreading adapters
+     *  that accept calls of the given (generic) type.
+     */
+    private SpreadGeneric(MethodType targetType, int spreadCount) {
+        assert(targetType == targetType.generic());
+        this.targetType = targetType;
+        this.spreadCount = spreadCount;
+        // the target invoker will generally need casts on reference arguments
+        MethodHandle[] ep = { null };
+        Adapter ad = findAdapter(this, ep);
+        if (ad != null) {
+            this.adapter = ad;
+            this.entryPoint = ep[0];
+            return;
+        }
+        this.adapter = buildAdapterFromBytecodes(targetType, spreadCount, ep);
+        this.entryPoint = ep[0];
+    }
+
+    /** From targetType remove the last spreadCount arguments, and instead
+     *  append a simple Object argument.
+     */
+    static MethodType preSpreadType(MethodType targetType, int spreadCount) {
+        @SuppressWarnings("unchecked")
+        ArrayList<Class<?>> params = new ArrayList(targetType.parameterList());
+        int outargs = params.size();
+        params.subList(outargs - spreadCount, outargs).clear();
+        params.add(Object.class);
+        return MethodType.methodType(targetType.returnType(), params);
+    }
+
+    MethodHandle makeInstance(MethodHandle target) {
+        MethodType type = target.type();
+        if (type != targetType) {
+            throw new UnsupportedOperationException("NYI type="+type);
+        }
+        return adapter.makeInstance(this, target);
+    }
+
+    /** Build an adapter of the given generic type, which invokes typedTarget
+     *  on the incoming arguments, after unboxing as necessary.
+     *  The return value is boxed if necessary.
+     * @param genericType  the required type of the result
+     * @param typedTarget the target
+     * @return an adapter method handle
+     */
+    public static MethodHandle make(MethodHandle target, int spreadCount) {
+        MethodType type = target.type();
+        MethodType gtype = type.generic();
+        if (type == gtype) {
+            return SpreadGeneric.of(type, spreadCount).makeInstance(target);
+        } else {
+            MethodHandle gtarget = FromGeneric.make(target);
+            assert(gtarget.type() == gtype);
+            MethodHandle gspread = SpreadGeneric.of(gtype, spreadCount).makeInstance(gtarget);
+            return ToGeneric.make(preSpreadType(type, spreadCount), gspread);
+        }
+    }
+
+    /** Return the adapter information for this type's erasure. */
+    static SpreadGeneric of(MethodType targetType, int spreadCount) {
+        if (targetType != targetType.generic())
+            throw new UnsupportedOperationException("NYI type="+targetType);
+        MethodTypeImpl form = MethodTypeImpl.of(targetType);
+        int outcount = form.parameterCount();
+        assert(spreadCount <= outcount);
+        SpreadGeneric[] spreadGens = form.spreadGeneric;
+        if (spreadGens == null)
+            form.spreadGeneric = spreadGens = new SpreadGeneric[outcount+1];
+        SpreadGeneric spreadGen = spreadGens[spreadCount];
+        if (spreadGen == null)
+            spreadGens[spreadCount] = spreadGen = new SpreadGeneric(form.erasedType(), spreadCount);
+        return spreadGen;
+    }
+
+    public String toString() {
+        return getClass().getSimpleName()+targetType+"["+spreadCount+"]";
+    }
+
+    // This mini-api is called from an Adapter to manage the spread.
+    /** A check/coercion that happens once before any selections. */
+    protected Object check(Object av, int n) {
+        MethodHandleImpl.checkSpreadArgument(av, n);
+        return av;
+    }
+
+    /** The selection operator for spreading; note that it takes Object not Object[]. */
+    protected Object select(Object av, int n) {
+        return ((Object[])av)[n];
+    }
+    /*
+    protected int select_I(Object av, int n) {
+        // maybe return ((int[])select)[n]
+        throw new UnsupportedOperationException("subclass resp.");
+    }
+    protected int select_J(Object av, int n) {
+        // maybe return ((long[])select)[n]
+        throw new UnsupportedOperationException("subclass resp.");
+    }
+    // */
+
+    /* Create an adapter that handles spreading calls for the given type. */
+    static Adapter findAdapter(SpreadGeneric outer, MethodHandle[] ep) {
+        MethodType targetType = outer.targetType;
+        int spreadCount = outer.spreadCount;
+        int outargs = targetType.parameterCount();
+        int inargs = outargs - spreadCount;
+        if (inargs < 0)  return null;
+        MethodType entryType = MethodType.genericMethodType(inargs + 1); // 1 for av
+        String cname1 = "S" + outargs;
+        String[] cnames = { cname1 };
+        String iname = "invoke_S"+spreadCount;
+        // e.g., D5I2, D5, L5I2, L5; invoke_D5
+        for (String cname : cnames) {
+            Class<? extends Adapter> acls = Adapter.findSubClass(cname);
+            if (acls == null)  continue;
+            // see if it has the required invoke method
+            MethodHandle entryPoint = null;
+            try {
+                entryPoint = MethodHandleImpl.IMPL_LOOKUP.findSpecial(acls, iname, entryType, acls);
+            } catch (NoAccessException ex) {
+            }
+            if (entryPoint == null)  continue;
+            Constructor<? extends Adapter> ctor = null;
+            try {
+                ctor = acls.getDeclaredConstructor(SpreadGeneric.class);
+            } catch (NoSuchMethodException ex) {
+            } catch (SecurityException ex) {
+            }
+            if (ctor == null)  continue;
+            try {
+                // Produce an instance configured as a prototype.
+                Adapter ad = ctor.newInstance(outer);
+                ep[0] = entryPoint;
+                return ad;
+            } catch (IllegalArgumentException ex) {
+            } catch (InvocationTargetException wex) {
+                Throwable ex = wex.getTargetException();
+                if (ex instanceof Error)  throw (Error)ex;
+                if (ex instanceof RuntimeException)  throw (RuntimeException)ex;
+            } catch (InstantiationException ex) {
+            } catch (IllegalAccessException ex) {
+            }
+        }
+        return null;
+    }
+
+    static Adapter buildAdapterFromBytecodes(MethodType targetType,
+            int spreadCount, MethodHandle[] ep) {
+        throw new UnsupportedOperationException("NYI");
+    }
+
+    /**
+     * This adapter takes some untyped arguments, and returns an untyped result.
+     * Internally, it applies the invoker to the target, which causes the
+     * objects to be unboxed; the result is a raw type in L/I/J/F/D.
+     * This result is passed to convert, which is responsible for
+     * converting the raw result into a boxed object.
+     * The invoker is kept separate from the target because it can be
+     * generated once per type erasure family, and reused across adapters.
+     */
+    static abstract class Adapter extends JavaMethodHandle {
+        /*
+         * class X<<R,int M,int N>> extends Adapter {
+         *   (Object**N)=>R target;
+         *   static int S = N-M;
+         *   Object invoke(Object**M a, Object v) = target(a..., v[0]...v[S-1]);
+         * }
+         */
+        protected final SpreadGeneric outer;
+        protected final MethodHandle target;   // (any**N) => R
+
+        @Override
+        public String toString() {
+            return target.toString();
+        }
+
+        static final MethodHandle NO_ENTRY = ValueConversions.identity();
+
+        protected boolean isPrototype() { return target == null; }
+        protected Adapter(SpreadGeneric outer) {
+            super(NO_ENTRY);
+            this.outer = outer;
+            this.target = null;
+            assert(isPrototype());
+        }
+
+        protected Adapter(SpreadGeneric outer, MethodHandle target) {
+            super(outer.entryPoint);
+            this.outer = outer;
+            this.target = target;
+        }
+
+        /** Make a copy of self, with new fields. */
+        protected abstract Adapter makeInstance(SpreadGeneric outer, MethodHandle target);
+        // { return new ThisType(outer, target); }
+
+        protected Object check(Object av, int n) {
+            return outer.check(av, n);
+        }
+        protected Object select(Object av, int n) {
+            return outer.select(av, n);
+        }
+
+        static private final String CLASS_PREFIX; // "sun.dyn.SpreadGeneric$"
+        static {
+            String aname = Adapter.class.getName();
+            String sname = Adapter.class.getSimpleName();
+            if (!aname.endsWith(sname))  throw new InternalError();
+            CLASS_PREFIX = aname.substring(0, aname.length() - sname.length());
+        }
+        /** Find a sibing class of Adapter. */
+        static Class<? extends Adapter> findSubClass(String name) {
+            String cname = Adapter.CLASS_PREFIX + name;
+            try {
+                return Class.forName(cname).asSubclass(Adapter.class);
+            } catch (ClassNotFoundException ex) {
+                return null;
+            } catch (ClassCastException ex) {
+                return null;
+            }
+        }
+    }
+
+    /* generated classes follow this pattern:
+    static class xS2 extends Adapter {
+        protected xS2(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected xS2(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected xS2 makeInstance(SpreadGeneric outer, MethodHandle t) { return new xS2(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object av) throws Throwable { av = super.check(av,0);
+             return target.<Object>invoke(a0, a1)); }
+        protected Object invoke_S1(Object a0, Object av) throws Throwable { av = super.check(av,1);
+             return target.<Object>invoke(a0,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object av) throws Throwable { av = super.check(av,1);
+             return target.<Object>invoke(
+                super.select(av,0), super.select(av,1)); }
+    }
+    // */
+
+/*
+: SHELL; n=SpreadGeneric; cp -p $n.java $n.java-; sed < $n.java- > $n.java+ -e '/{{*{{/,/}}*}}/w /tmp/genclasses.java' -e '/}}*}}/q'; (cd /tmp; javac -d . genclasses.java; java -cp . genclasses) >> $n.java+; echo '}' >> $n.java+; mv $n.java+ $n.java; mv $n.java- $n.java~
+//{{{
+import java.util.*;
+class genclasses {
+    static String[][] TEMPLATES = { {
+        "@for@ N=0..10",
+        "    //@each-cat@",
+        "    static class @cat@ extends Adapter {",
+        "        protected @cat@(SpreadGeneric outer) { super(outer); }  // to build prototype",
+        "        protected @cat@(SpreadGeneric outer, MethodHandle t) { super(outer, t); }",
+        "        protected @cat@ makeInstance(SpreadGeneric outer, MethodHandle t) { return new @cat@(outer, t); }",
+        "        protected Object invoke_S0(@Tvav,@Object av) throws Throwable { av = super.check(av, 0);",
+        "            return target.<Object>invoke(@av@); }",
+        "        //@each-S@",
+        "        protected Object invoke_S@S@(@Tvav,@Object av) throws Throwable { av = super.check(av, @S@);",
+        "            return target.<Object>invoke(@av,@@sv@); }",
+        "        //@end-S@",
+        "    }",
+    } };
+    static final String NEWLINE_INDENT = "\n                ";
+    enum VAR {
+        cat, N, S, av, av_, Tvav_, sv;
+        public final String pattern = "@"+toString().replace('_','.')+"@";
+        public String binding = toString();
+        static void makeBindings(boolean topLevel, int outargs, int spread) {
+            int inargs = outargs - spread;
+            VAR.cat.binding = "S"+outargs;
+            VAR.N.binding = String.valueOf(outargs); // outgoing arg count
+            VAR.S.binding = String.valueOf(spread);  // spread count
+            String[] av = new String[inargs];
+            String[] Tvav = new String[inargs];
+            for (int i = 0; i < inargs; i++) {
+                av[i] = arg(i);
+                Tvav[i] = param("Object", av[i]);
+            }
+            VAR.av.binding = comma(av);
+            VAR.av_.binding = comma(av, ", ");
+            VAR.Tvav_.binding = comma(Tvav, ", ");
+            String[] sv = new String[spread];
+            for (int i = 0; i < spread; i++) {
+                String spc = "";
+                if (i % 4 == 0) spc = NEWLINE_INDENT;
+                sv[i] = spc+"super.select(av,"+i+")";
+            }
+            VAR.sv.binding = comma(sv);
+        }
+        static String arg(int i) { return "a"+i; }
+        static String param(String t, String a) { return t+" "+a; }
+        static String comma(String[] v) { return comma(v, ""); }
+        static String comma(String[] v, String sep) {
+            if (v.length == 0)  return "";
+            String res = v[0];
+            for (int i = 1; i < v.length; i++)  res += ", "+v[i];
+            return res + sep;
+        }
+        static String transform(String string) {
+            for (VAR var : values())
+                string = string.replaceAll(var.pattern, var.binding);
+            return string;
+        }
+    }
+    static String[] stringsIn(String[] strings, int beg, int end) {
+        return Arrays.copyOfRange(strings, beg, Math.min(end, strings.length));
+    }
+    static String[] stringsBefore(String[] strings, int pos) {
+        return stringsIn(strings, 0, pos);
+    }
+    static String[] stringsAfter(String[] strings, int pos) {
+        return stringsIn(strings, pos, strings.length);
+    }
+    static int indexAfter(String[] strings, int pos, String tag) {
+        return Math.min(indexBefore(strings, pos, tag) + 1, strings.length);
+    }
+    static int indexBefore(String[] strings, int pos, String tag) {
+        for (int i = pos, end = strings.length; ; i++) {
+            if (i == end || strings[i].endsWith(tag))  return i;
+        }
+    }
+    static int MIN_ARITY, MAX_ARITY;
+    public static void main(String... av) {
+        for (String[] template : TEMPLATES) {
+            int forLinesLimit = indexBefore(template, 0, "@each-cat@");
+            String[] forLines = stringsBefore(template, forLinesLimit);
+            template = stringsAfter(template, forLinesLimit);
+            for (String forLine : forLines)
+                expandTemplate(forLine, template);
+        }
+    }
+    static void expandTemplate(String forLine, String[] template) {
+        String[] params = forLine.split("[^0-9]+");
+        if (params[0].length() == 0)  params = stringsAfter(params, 1);
+        System.out.println("//params="+Arrays.asList(params));
+        int pcur = 0;
+        MIN_ARITY = Integer.valueOf(params[pcur++]);
+        MAX_ARITY = Integer.valueOf(params[pcur++]);
+        if (pcur != params.length)  throw new RuntimeException("bad extra param: "+forLine);
+        for (int outargs = MIN_ARITY; outargs <= MAX_ARITY; outargs++) {
+            expandTemplate(template, true, outargs, 0);
+        }
+    }
+    static void expandTemplate(String[] template, boolean topLevel, int outargs, int spread) {
+        VAR.makeBindings(topLevel, outargs, spread);
+        for (int i = 0; i < template.length; i++) {
+            String line = template[i];
+            if (line.endsWith("@each-cat@")) {
+                // ignore
+            } else if (line.endsWith("@each-S@")) {
+                int blockEnd = indexAfter(template, i, "@end-S@");
+                String[] block = stringsIn(template, i+1, blockEnd-1);
+                for (int spread1 = spread+1; spread1 <= outargs; spread1++)
+                    expandTemplate(block, false, outargs, spread1);
+                VAR.makeBindings(topLevel, outargs, spread);
+                i = blockEnd-1; continue;
+            } else {
+                System.out.println(VAR.transform(line));
+            }
+        }
+    }
+}
+//}}} */
+//params=[0, 10]
+    static class S0 extends Adapter {
+        protected S0(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S0(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S0 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S0(outer, t); }
+        protected Object invoke_S0(Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(); }
+    }
+    static class S1 extends Adapter {
+        protected S1(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S1(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S1 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S1(outer, t); }
+        protected Object invoke_S0(Object a0, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0); }
+        protected Object invoke_S1(Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(
+                super.select(av,0)); }
+    }
+    static class S2 extends Adapter {
+        protected S2(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S2(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S2 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S2(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1); }
+        protected Object invoke_S1(Object a0, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1)); }
+    }
+    static class S3 extends Adapter {
+        protected S3(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S3(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S3 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S3(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2); }
+        protected Object invoke_S1(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+    }
+    static class S4 extends Adapter {
+        protected S4(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S4(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S4 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S4(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+    }
+    static class S5 extends Adapter {
+        protected S5(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S5(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S5 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S5(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+    }
+    static class S6 extends Adapter {
+        protected S6(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S6(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S6 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S6(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3, a4,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object a0, Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+        protected Object invoke_S6(Object av) throws Throwable { av = super.check(av, 6);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5)); }
+    }
+    static class S7 extends Adapter {
+        protected S7(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S7(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S7 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S7(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2, a3, a4,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+        protected Object invoke_S6(Object a0, Object av) throws Throwable { av = super.check(av, 6);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5)); }
+        protected Object invoke_S7(Object av) throws Throwable { av = super.check(av, 7);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6)); }
+    }
+    static class S8 extends Adapter {
+        protected S8(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S8(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S8 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S8(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1, a2, a3, a4,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+        protected Object invoke_S6(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 6);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5)); }
+        protected Object invoke_S7(Object a0, Object av) throws Throwable { av = super.check(av, 7);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6)); }
+        protected Object invoke_S8(Object av) throws Throwable { av = super.check(av, 8);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7)); }
+    }
+    static class S9 extends Adapter {
+        protected S9(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S9(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S9 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S9(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0, a1, a2, a3, a4,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+        protected Object invoke_S6(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 6);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5)); }
+        protected Object invoke_S7(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 7);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6)); }
+        protected Object invoke_S8(Object a0, Object av) throws Throwable { av = super.check(av, 8);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7)); }
+        protected Object invoke_S9(Object av) throws Throwable { av = super.check(av, 9);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7),
+                super.select(av,8)); }
+    }
+    static class S10 extends Adapter {
+        protected S10(SpreadGeneric outer) { super(outer); }  // to build prototype
+        protected S10(SpreadGeneric outer, MethodHandle t) { super(outer, t); }
+        protected S10 makeInstance(SpreadGeneric outer, MethodHandle t) { return new S10(outer, t); }
+        protected Object invoke_S0(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9, Object av) throws Throwable { av = super.check(av, 0);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object invoke_S1(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object av) throws Throwable { av = super.check(av, 1);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7, a8,
+                super.select(av,0)); }
+        protected Object invoke_S2(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object av) throws Throwable { av = super.check(av, 2);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6, a7,
+                super.select(av,0), super.select(av,1)); }
+        protected Object invoke_S3(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object av) throws Throwable { av = super.check(av, 3);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5, a6,
+                super.select(av,0), super.select(av,1), super.select(av,2)); }
+        protected Object invoke_S4(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object av) throws Throwable { av = super.check(av, 4);
+            return target.<Object>invoke(a0, a1, a2, a3, a4, a5,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3)); }
+        protected Object invoke_S5(Object a0, Object a1, Object a2, Object a3, Object a4, Object av) throws Throwable { av = super.check(av, 5);
+            return target.<Object>invoke(a0, a1, a2, a3, a4,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4)); }
+        protected Object invoke_S6(Object a0, Object a1, Object a2, Object a3, Object av) throws Throwable { av = super.check(av, 6);
+            return target.<Object>invoke(a0, a1, a2, a3,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5)); }
+        protected Object invoke_S7(Object a0, Object a1, Object a2, Object av) throws Throwable { av = super.check(av, 7);
+            return target.<Object>invoke(a0, a1, a2,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6)); }
+        protected Object invoke_S8(Object a0, Object a1, Object av) throws Throwable { av = super.check(av, 8);
+            return target.<Object>invoke(a0, a1,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7)); }
+        protected Object invoke_S9(Object a0, Object av) throws Throwable { av = super.check(av, 9);
+            return target.<Object>invoke(a0,
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7),
+                super.select(av,8)); }
+        protected Object invoke_S10(Object av) throws Throwable { av = super.check(av, 10);
+            return target.<Object>invoke(
+                super.select(av,0), super.select(av,1), super.select(av,2), super.select(av,3),
+                super.select(av,4), super.select(av,5), super.select(av,6), super.select(av,7),
+                super.select(av,8), super.select(av,9)); }
+    }
+}

src/share/classes/sun/dyn/ToGeneric.java

@@ -34,6 +34,7 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import sun.dyn.util.ValueConversions;
 import sun.dyn.util.Wrapper;
+import static sun.dyn.MemberName.newIllegalArgumentException;
 
 /**
  * Adapters which mediate between incoming calls which are not generic
@@ -68,7 +69,7 @@ class ToGeneric {
     // conversion which unboxes a primitive return value
     private final MethodHandle returnConversion;
 
-    /** Compute and cache information common to all collecting adapters
+    /** Compute and cache information common to all generifying (boxing) adapters
      *  that implement members of the erasure-family of the given erased type.
      */
     private ToGeneric(MethodType entryType) {
@@ -111,30 +112,48 @@ class ToGeneric {
         // primitive arguments according to their "raw" types int/long
         MethodType intsAtEnd = MethodTypeImpl.of(primsAtEnd).primsAsInts();
         ad = findAdapter(rawEntryTypeInit = intsAtEnd);
-        if (ad == null) {
+        MethodHandle rawEntryPoint;
+        if (ad != null) {
+            rawEntryPoint = ad.prototypeEntryPoint();
+        } else {
             // Perhaps the adapter is available only for longs.
             // If so, we can use it, but there will have to be a little
             // more stack motion on each call.
             MethodType longsAtEnd = MethodTypeImpl.of(primsAtEnd).primsAsLongs();
             ad = findAdapter(rawEntryTypeInit = longsAtEnd);
-            if (ad == null) {
+            if (ad != null) {
+                MethodType eptWithLongs = longsAtEnd.insertParameterTypes(0, ad.getClass());
+                MethodType eptWithInts  =  intsAtEnd.insertParameterTypes(0, ad.getClass());
+                rawEntryPoint = ad.prototypeEntryPoint();
+                MethodType midType = eptWithLongs;  // will change longs to ints
+                for (int i = 0, nargs = midType.parameterCount(); i < nargs; i++) {
+                    if (midType.parameterType(i) != eptWithInts.parameterType(i)) {
+                        assert(midType.parameterType(i) == long.class);
+                        assert(eptWithInts.parameterType(i) == int.class);
+                        MethodType nextType = midType.changeParameterType(i, int.class);
+                        rawEntryPoint = MethodHandle.convertArguments(Access.TOKEN,
+                                rawEntryPoint, nextType, midType, null);
+                        midType = nextType;
+                    }
+                }
+                assert(midType == eptWithInts);
+            } else {
                 // If there is no statically compiled adapter,
                 // build one by means of dynamic bytecode generation.
                 ad = buildAdapterFromBytecodes(rawEntryTypeInit = intsAtEnd);
+                rawEntryPoint = ad.prototypeEntryPoint();
             }
         }
-        MethodHandle rawEntryPoint = ad.prototypeEntryPoint();
-        MethodType tepType = entryType.insertParameterType(0, ad.getClass());
+        MethodType tepType = entryType.insertParameterTypes(0, ad.getClass());
         this.entryPoint =
-            AdapterMethodHandle.makeRawRetypeOnly(Access.TOKEN, tepType, rawEntryPoint);
+            AdapterMethodHandle.makeRetypeRaw(Access.TOKEN, tepType, rawEntryPoint);
         if (this.entryPoint == null)
             throw new UnsupportedOperationException("cannot retype to "+entryType
-                    +" from "+rawEntryPoint.type().dropParameterType(0));
+                    +" from "+rawEntryPoint.type().dropParameterTypes(0, 1));
         this.returnConversion = computeReturnConversion(entryType, rawEntryTypeInit, false);
         this.rawEntryType = rawEntryTypeInit;
         this.adapter = ad;
-        this.invoker = makeRawArgumentFilter(invoker0,
-                rawEntryPoint.type().dropParameterType(0), entryType);
+        this.invoker = makeRawArgumentFilter(invoker0, rawEntryTypeInit, entryType);
     }
 
     /** A generic argument list will be created by a call of type 'raw'.
@@ -157,8 +176,8 @@ class ToGeneric {
                 if (filteredInvoker == null)  throw new UnsupportedOperationException("NYI");
             }
             MethodHandle reboxer = ValueConversions.rebox(dst, false);
-            FilterGeneric gen = new FilterGeneric(filteredInvoker.type(), (short)(1+i), (short)1, 'R');
-            filteredInvoker = gen.makeInstance(reboxer, filteredInvoker);
+            filteredInvoker = FilterGeneric.makeArgumentFilter(1+i, reboxer, filteredInvoker);
+            if (filteredInvoker == null)  throw new InternalError();
         }
         if (filteredInvoker == null)  return invoker;
         return AdapterMethodHandle.makeRetypeOnly(Access.TOKEN, invoker.type(), filteredInvoker);
@@ -209,9 +228,9 @@ class ToGeneric {
         if (convert == null)
             convert = computeReturnConversion(type, rawEntryType, true);
         // retype erased reference arguments (the cast makes it safe to do this)
-        MethodType tepType = type.insertParameterType(0, adapter.getClass());
+        MethodType tepType = type.insertParameterTypes(0, adapter.getClass());
         MethodHandle typedEntryPoint =
-            AdapterMethodHandle.makeRawRetypeOnly(Access.TOKEN, tepType, entryPoint);
+            AdapterMethodHandle.makeRetypeRaw(Access.TOKEN, tepType, entryPoint);
         return adapter.makeInstance(typedEntryPoint, invoker, convert, genericTarget);
     }
 
@@ -225,7 +244,7 @@ class ToGeneric {
     public static MethodHandle make(MethodType type, MethodHandle genericTarget) {
         MethodType gtype = genericTarget.type();
         if (type.generic() != gtype)
-            throw new IllegalArgumentException();
+            throw newIllegalArgumentException("type must be generic");
         if (type == gtype)  return genericTarget;
         return ToGeneric.of(type).makeInstance(type, genericTarget);
     }
@@ -283,7 +302,10 @@ class ToGeneric {
                 try {
                     return ctor.newInstance(entryPoint);
                 } catch (IllegalArgumentException ex) {
-                } catch (InvocationTargetException ex) {
+                } catch (InvocationTargetException wex) {
+                    Throwable ex = wex.getTargetException();
+                    if (ex instanceof Error)  throw (Error)ex;
+                    if (ex instanceof RuntimeException)  throw (RuntimeException)ex;
                 } catch (InstantiationException ex) {
                 } catch (IllegalAccessException ex) {
                 }
@@ -317,6 +339,11 @@ class ToGeneric {
         protected final MethodHandle target;   // Object... -> Object
         protected final MethodHandle convert;  // Object -> R
 
+        @Override
+        public String toString() {
+            return target.toString();
+        }
+
         protected boolean isPrototype() { return target == null; }
         /* Prototype constructor. */
         protected Adapter(MethodHandle entryPoint) {
@@ -344,33 +371,33 @@ class ToGeneric {
         // { return new ThisType(entryPoint, convert, target); }
 
         // Code to run when the arguments (<= 4) have all been boxed.
-        protected Object target()               { return invoker.<Object>invoke(target); }
-        protected Object target(Object a0)      { return invoker.<Object>invoke(target, a0); }
+        protected Object target()               throws Throwable { return invoker.<Object>invoke(target); }
+        protected Object target(Object a0)      throws Throwable { return invoker.<Object>invoke(target, a0); }
         protected Object target(Object a0, Object a1)
-                                                { return invoker.<Object>invoke(target, a0, a1); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1); }
         protected Object target(Object a0, Object a1, Object a2)
-                                                { return invoker.<Object>invoke(target, a0, a1, a2); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2); }
         protected Object target(Object a0, Object a1, Object a2, Object a3)
-                                                { return invoker.<Object>invoke(target, a0, a1, a2, a3); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3); }
         /*
-        protected Object target_0(Object... av) { return invoker.<Object>invoke(target, av); }
+        protected Object target_0(Object... av) throws Throwable { return invoker.<Object>invoke(target, av); }
         protected Object target_1(Object a0, Object... av)
-                                                { return invoker.<Object>invoke(target, a0, (Object)av); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, (Object)av); }
         protected Object target_2(Object a0, Object a1, Object... av)
-                                                { return invoker.<Object>invoke(target, a0, a1, (Object)av); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1, (Object)av); }
         protected Object target_3(Object a0, Object a1, Object a2, Object... av)
-                                                { return invoker.<Object>invoke(target, a0, a1, a2, (Object)av); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, (Object)av); }
         protected Object target_4(Object a0, Object a1, Object a2, Object a3, Object... av)
-                                                { return invoker.<Object>invoke(target, a0, a1, a2, a3, (Object)av); }
+                                                throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, (Object)av); }
         // */
         // (For more than 4 arguments, generate the code in the adapter itself.)
 
         // Code to run when the generic target has finished and produced a value.
-        protected Object return_L(Object res) { return convert.<Object>invoke(res); }
-        protected int    return_I(Object res) { return convert.<int   >invoke(res); }
-        protected long   return_J(Object res) { return convert.<long  >invoke(res); }
-        protected float  return_F(Object res) { return convert.<float >invoke(res); }
-        protected double return_D(Object res) { return convert.<double>invoke(res); }
+        protected Object return_L(Object res) throws Throwable { return convert.<Object>invoke(res); }
+        protected int    return_I(Object res) throws Throwable { return convert.<int   >invoke(res); }
+        protected long   return_J(Object res) throws Throwable { return convert.<long  >invoke(res); }
+        protected float  return_F(Object res) throws Throwable { return convert.<float >invoke(res); }
+        protected double return_D(Object res) throws Throwable { return convert.<double>invoke(res); }
 
         static private final String CLASS_PREFIX; // "sun.dyn.ToGeneric$"
         static {
@@ -397,25 +424,25 @@ class ToGeneric {
         protected A1(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A1(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A1 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A1(e, i, c, t); }
-        protected Object target(Object a0)    { return invoker.<Object>invoke(target, a0); }
-        protected Object targetA1(Object a0) { return target(a0); }
-        protected Object targetA1(int    a0) { return target(a0); }
-        protected Object targetA1(long   a0) { return target(a0); }
-        protected Object invoke_L(Object a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(Object a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(Object a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(Object a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(Object a0) { return return_D(targetA1(a0)); }
-        protected Object invoke_L(int    a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(int    a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(int    a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(int    a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(int    a0) { return return_D(targetA1(a0)); }
-        protected Object invoke_L(long   a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(long   a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(long   a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(long   a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(long   a0) { return return_D(targetA1(a0)); }
+        protected Object target(Object a0)   throws Throwable { return invoker.<Object>invoke(target, a0); }
+        protected Object targetA1(Object a0) throws Throwable { return target(a0); }
+        protected Object targetA1(int    a0) throws Throwable { return target(a0); }
+        protected Object targetA1(long   a0) throws Throwable { return target(a0); }
+        protected Object invoke_L(Object a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(Object a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(Object a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(Object a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(Object a0) throws Throwable { return return_D(targetA1(a0)); }
+        protected Object invoke_L(int    a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(int    a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(int    a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(int    a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(int    a0) throws Throwable { return return_D(targetA1(a0)); }
+        protected Object invoke_L(long   a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(long   a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(long   a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(long   a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(long   a0) throws Throwable { return return_D(targetA1(a0)); }
     }
     // */
 
@@ -435,13 +462,13 @@ class genclasses {
         "        protected @cat@(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype",
         "        protected @cat@(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }",
         "        protected @cat@ makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new @cat@(e, i, c, t); }",
-        "        protected Object target(@Ovav@)   { return invoker.<Object>invoke(target, @av@); }",
+        "        protected Object target(@Ovav@)   throws Throwable { return invoker.<Object>invoke(target, @av@); }",
         "        //@each-Tv@",
-        "        protected Object target@cat@(@Tvav@) { return target(@av@); }",
+        "        protected Object target@cat@(@Tvav@) throws Throwable { return target(@av@); }",
         "        //@end-Tv@",
         "        //@each-Tv@",
         "        //@each-R@",
-        "        protected @R@ invoke_@Rc@(@Tvav@) { return return_@Rc@(target@cat@(@av@)); }",
+        "        protected @R@ invoke_@Rc@(@Tvav@) throws Throwable { return return_@Rc@(target@cat@(@av@)); }",
         "        //@end-R@",
         "        //@end-Tv@",
         "    }",
@@ -595,424 +622,424 @@ class genclasses {
         protected A0(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A0(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A0 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A0(e, i, c, t); }
-        protected Object target()   { return invoker.<Object>invoke(target); }
-        protected Object targetA0() { return target(); }
-        protected Object invoke_L() { return return_L(targetA0()); }
-        protected int    invoke_I() { return return_I(targetA0()); }
-        protected long   invoke_J() { return return_J(targetA0()); }
-        protected float  invoke_F() { return return_F(targetA0()); }
-        protected double invoke_D() { return return_D(targetA0()); }
+        protected Object target()   throws Throwable { return invoker.<Object>invoke(target); }
+        protected Object targetA0() throws Throwable { return target(); }
+        protected Object invoke_L() throws Throwable { return return_L(targetA0()); }
+        protected int    invoke_I() throws Throwable { return return_I(targetA0()); }
+        protected long   invoke_J() throws Throwable { return return_J(targetA0()); }
+        protected float  invoke_F() throws Throwable { return return_F(targetA0()); }
+        protected double invoke_D() throws Throwable { return return_D(targetA0()); }
     }
     static class A1 extends Adapter {
         protected A1(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A1(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A1 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A1(e, i, c, t); }
-        protected Object target(Object a0)   { return invoker.<Object>invoke(target, a0); }
-        protected Object targetA1(Object a0) { return target(a0); }
-        protected Object targetA1(int    a0) { return target(a0); }
-        protected Object targetA1(long   a0) { return target(a0); }
-        protected Object invoke_L(Object a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(Object a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(Object a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(Object a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(Object a0) { return return_D(targetA1(a0)); }
-        protected Object invoke_L(int    a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(int    a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(int    a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(int    a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(int    a0) { return return_D(targetA1(a0)); }
-        protected Object invoke_L(long   a0) { return return_L(targetA1(a0)); }
-        protected int    invoke_I(long   a0) { return return_I(targetA1(a0)); }
-        protected long   invoke_J(long   a0) { return return_J(targetA1(a0)); }
-        protected float  invoke_F(long   a0) { return return_F(targetA1(a0)); }
-        protected double invoke_D(long   a0) { return return_D(targetA1(a0)); }
+        protected Object target(Object a0)   throws Throwable { return invoker.<Object>invoke(target, a0); }
+        protected Object targetA1(Object a0) throws Throwable { return target(a0); }
+        protected Object targetA1(int    a0) throws Throwable { return target(a0); }
+        protected Object targetA1(long   a0) throws Throwable { return target(a0); }
+        protected Object invoke_L(Object a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(Object a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(Object a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(Object a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(Object a0) throws Throwable { return return_D(targetA1(a0)); }
+        protected Object invoke_L(int    a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(int    a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(int    a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(int    a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(int    a0) throws Throwable { return return_D(targetA1(a0)); }
+        protected Object invoke_L(long   a0) throws Throwable { return return_L(targetA1(a0)); }
+        protected int    invoke_I(long   a0) throws Throwable { return return_I(targetA1(a0)); }
+        protected long   invoke_J(long   a0) throws Throwable { return return_J(targetA1(a0)); }
+        protected float  invoke_F(long   a0) throws Throwable { return return_F(targetA1(a0)); }
+        protected double invoke_D(long   a0) throws Throwable { return return_D(targetA1(a0)); }
     }
     static class A2 extends Adapter {
         protected A2(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A2(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A2 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A2(e, i, c, t); }
-        protected Object target(Object a0, Object a1)   { return invoker.<Object>invoke(target, a0, a1); }
-        protected Object targetA2(Object a0, Object a1) { return target(a0, a1); }
-        protected Object targetA2(Object a0, int    a1) { return target(a0, a1); }
-        protected Object targetA2(int    a0, int    a1) { return target(a0, a1); }
-        protected Object targetA2(Object a0, long   a1) { return target(a0, a1); }
-        protected Object targetA2(long   a0, long   a1) { return target(a0, a1); }
-        protected Object invoke_L(Object a0, Object a1) { return return_L(targetA2(a0, a1)); }
-        protected int    invoke_I(Object a0, Object a1) { return return_I(targetA2(a0, a1)); }
-        protected long   invoke_J(Object a0, Object a1) { return return_J(targetA2(a0, a1)); }
-        protected float  invoke_F(Object a0, Object a1) { return return_F(targetA2(a0, a1)); }
-        protected double invoke_D(Object a0, Object a1) { return return_D(targetA2(a0, a1)); }
-        protected Object invoke_L(Object a0, int    a1) { return return_L(targetA2(a0, a1)); }
-        protected int    invoke_I(Object a0, int    a1) { return return_I(targetA2(a0, a1)); }
-        protected long   invoke_J(Object a0, int    a1) { return return_J(targetA2(a0, a1)); }
-        protected float  invoke_F(Object a0, int    a1) { return return_F(targetA2(a0, a1)); }
-        protected double invoke_D(Object a0, int    a1) { return return_D(targetA2(a0, a1)); }
-        protected Object invoke_L(int    a0, int    a1) { return return_L(targetA2(a0, a1)); }
-        protected int    invoke_I(int    a0, int    a1) { return return_I(targetA2(a0, a1)); }
-        protected long   invoke_J(int    a0, int    a1) { return return_J(targetA2(a0, a1)); }
-        protected float  invoke_F(int    a0, int    a1) { return return_F(targetA2(a0, a1)); }
-        protected double invoke_D(int    a0, int    a1) { return return_D(targetA2(a0, a1)); }
-        protected Object invoke_L(Object a0, long   a1) { return return_L(targetA2(a0, a1)); }
-        protected int    invoke_I(Object a0, long   a1) { return return_I(targetA2(a0, a1)); }
-        protected long   invoke_J(Object a0, long   a1) { return return_J(targetA2(a0, a1)); }
-        protected float  invoke_F(Object a0, long   a1) { return return_F(targetA2(a0, a1)); }
-        protected double invoke_D(Object a0, long   a1) { return return_D(targetA2(a0, a1)); }
-        protected Object invoke_L(long   a0, long   a1) { return return_L(targetA2(a0, a1)); }
-        protected int    invoke_I(long   a0, long   a1) { return return_I(targetA2(a0, a1)); }
-        protected long   invoke_J(long   a0, long   a1) { return return_J(targetA2(a0, a1)); }
-        protected float  invoke_F(long   a0, long   a1) { return return_F(targetA2(a0, a1)); }
-        protected double invoke_D(long   a0, long   a1) { return return_D(targetA2(a0, a1)); }
+        protected Object target(Object a0, Object a1)   throws Throwable { return invoker.<Object>invoke(target, a0, a1); }
+        protected Object targetA2(Object a0, Object a1) throws Throwable { return target(a0, a1); }
+        protected Object targetA2(Object a0, int    a1) throws Throwable { return target(a0, a1); }
+        protected Object targetA2(int    a0, int    a1) throws Throwable { return target(a0, a1); }
+        protected Object targetA2(Object a0, long   a1) throws Throwable { return target(a0, a1); }
+        protected Object targetA2(long   a0, long   a1) throws Throwable { return target(a0, a1); }
+        protected Object invoke_L(Object a0, Object a1) throws Throwable { return return_L(targetA2(a0, a1)); }
+        protected int    invoke_I(Object a0, Object a1) throws Throwable { return return_I(targetA2(a0, a1)); }
+        protected long   invoke_J(Object a0, Object a1) throws Throwable { return return_J(targetA2(a0, a1)); }
+        protected float  invoke_F(Object a0, Object a1) throws Throwable { return return_F(targetA2(a0, a1)); }
+        protected double invoke_D(Object a0, Object a1) throws Throwable { return return_D(targetA2(a0, a1)); }
+        protected Object invoke_L(Object a0, int    a1) throws Throwable { return return_L(targetA2(a0, a1)); }
+        protected int    invoke_I(Object a0, int    a1) throws Throwable { return return_I(targetA2(a0, a1)); }
+        protected long   invoke_J(Object a0, int    a1) throws Throwable { return return_J(targetA2(a0, a1)); }
+        protected float  invoke_F(Object a0, int    a1) throws Throwable { return return_F(targetA2(a0, a1)); }
+        protected double invoke_D(Object a0, int    a1) throws Throwable { return return_D(targetA2(a0, a1)); }
+        protected Object invoke_L(int    a0, int    a1) throws Throwable { return return_L(targetA2(a0, a1)); }
+        protected int    invoke_I(int    a0, int    a1) throws Throwable { return return_I(targetA2(a0, a1)); }
+        protected long   invoke_J(int    a0, int    a1) throws Throwable { return return_J(targetA2(a0, a1)); }
+        protected float  invoke_F(int    a0, int    a1) throws Throwable { return return_F(targetA2(a0, a1)); }
+        protected double invoke_D(int    a0, int    a1) throws Throwable { return return_D(targetA2(a0, a1)); }
+        protected Object invoke_L(Object a0, long   a1) throws Throwable { return return_L(targetA2(a0, a1)); }
+        protected int    invoke_I(Object a0, long   a1) throws Throwable { return return_I(targetA2(a0, a1)); }
+        protected long   invoke_J(Object a0, long   a1) throws Throwable { return return_J(targetA2(a0, a1)); }
+        protected float  invoke_F(Object a0, long   a1) throws Throwable { return return_F(targetA2(a0, a1)); }
+        protected double invoke_D(Object a0, long   a1) throws Throwable { return return_D(targetA2(a0, a1)); }
+        protected Object invoke_L(long   a0, long   a1) throws Throwable { return return_L(targetA2(a0, a1)); }
+        protected int    invoke_I(long   a0, long   a1) throws Throwable { return return_I(targetA2(a0, a1)); }
+        protected long   invoke_J(long   a0, long   a1) throws Throwable { return return_J(targetA2(a0, a1)); }
+        protected float  invoke_F(long   a0, long   a1) throws Throwable { return return_F(targetA2(a0, a1)); }
+        protected double invoke_D(long   a0, long   a1) throws Throwable { return return_D(targetA2(a0, a1)); }
     }
     static class A3 extends Adapter {
         protected A3(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A3(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A3 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A3(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2)   { return invoker.<Object>invoke(target, a0, a1, a2); }
-        protected Object targetA3(Object a0, Object a1, Object a2) { return target(a0, a1, a2); }
-        protected Object targetA3(Object a0, Object a1, int    a2) { return target(a0, a1, a2); }
-        protected Object targetA3(Object a0, int    a1, int    a2) { return target(a0, a1, a2); }
-        protected Object targetA3(int    a0, int    a1, int    a2) { return target(a0, a1, a2); }
-        protected Object targetA3(Object a0, Object a1, long   a2) { return target(a0, a1, a2); }
-        protected Object targetA3(Object a0, long   a1, long   a2) { return target(a0, a1, a2); }
-        protected Object targetA3(long   a0, long   a1, long   a2) { return target(a0, a1, a2); }
-        protected Object invoke_L(Object a0, Object a1, Object a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(Object a0, Object a1, Object a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(Object a0, Object a1, Object a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(Object a0, Object a1, int    a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(Object a0, Object a1, int    a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(Object a0, Object a1, int    a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(Object a0, Object a1, int    a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(Object a0, Object a1, int    a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(Object a0, int    a1, int    a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(Object a0, int    a1, int    a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(Object a0, int    a1, int    a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(Object a0, int    a1, int    a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(Object a0, int    a1, int    a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(int    a0, int    a1, int    a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(int    a0, int    a1, int    a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(int    a0, int    a1, int    a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(int    a0, int    a1, int    a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(int    a0, int    a1, int    a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(Object a0, Object a1, long   a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(Object a0, Object a1, long   a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(Object a0, long   a1, long   a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(Object a0, long   a1, long   a2) { return return_D(targetA3(a0, a1, a2)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2) { return return_L(targetA3(a0, a1, a2)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2) { return return_I(targetA3(a0, a1, a2)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2) { return return_J(targetA3(a0, a1, a2)); }
-        protected float  invoke_F(long   a0, long   a1, long   a2) { return return_F(targetA3(a0, a1, a2)); }
-        protected double invoke_D(long   a0, long   a1, long   a2) { return return_D(targetA3(a0, a1, a2)); }
+        protected Object target(Object a0, Object a1, Object a2)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2); }
+        protected Object targetA3(Object a0, Object a1, Object a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(Object a0, Object a1, int    a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(Object a0, int    a1, int    a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(int    a0, int    a1, int    a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(Object a0, Object a1, long   a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(Object a0, long   a1, long   a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object targetA3(long   a0, long   a1, long   a2) throws Throwable { return target(a0, a1, a2); }
+        protected Object invoke_L(Object a0, Object a1, Object a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(Object a0, Object a1, Object a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(Object a0, Object a1, Object a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(Object a0, Object a1, int    a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(Object a0, Object a1, int    a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(Object a0, Object a1, int    a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(Object a0, Object a1, int    a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(Object a0, Object a1, int    a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(Object a0, int    a1, int    a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(Object a0, int    a1, int    a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(Object a0, int    a1, int    a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(Object a0, int    a1, int    a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(Object a0, int    a1, int    a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(int    a0, int    a1, int    a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(int    a0, int    a1, int    a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(int    a0, int    a1, int    a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(int    a0, int    a1, int    a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(int    a0, int    a1, int    a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(Object a0, Object a1, long   a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(Object a0, Object a1, long   a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(Object a0, long   a1, long   a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(Object a0, long   a1, long   a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2) throws Throwable { return return_L(targetA3(a0, a1, a2)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2) throws Throwable { return return_I(targetA3(a0, a1, a2)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2) throws Throwable { return return_J(targetA3(a0, a1, a2)); }
+        protected float  invoke_F(long   a0, long   a1, long   a2) throws Throwable { return return_F(targetA3(a0, a1, a2)); }
+        protected double invoke_D(long   a0, long   a1, long   a2) throws Throwable { return return_D(targetA3(a0, a1, a2)); }
     }
 //params=[4, 5, 2, 99, 99, 99]
     static class A4 extends Adapter {
         protected A4(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A4(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A4 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A4(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3)   { return invoker.<Object>invoke(target, a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, Object a1, Object a2, Object a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, Object a1, Object a2, int    a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, Object a1, int    a2, int    a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, int    a1, int    a2, int    a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(int    a0, int    a1, int    a2, int    a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, Object a1, Object a2, long   a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, Object a1, long   a2, long   a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(Object a0, long   a1, long   a2, long   a3) { return target(a0, a1, a2, a3); }
-        protected Object targetA4(long   a0, long   a1, long   a2, long   a3) { return target(a0, a1, a2, a3); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, int    a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, int    a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, int    a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, Object a1, int    a2, int    a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, Object a1, int    a2, int    a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, Object a1, int    a2, int    a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, int    a1, int    a2, int    a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, int    a1, int    a2, int    a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, int    a1, int    a2, int    a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(int    a0, int    a1, int    a2, int    a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(int    a0, int    a1, int    a2, int    a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(int    a0, int    a1, int    a2, int    a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3) { return return_J(targetA4(a0, a1, a2, a3)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3) { return return_L(targetA4(a0, a1, a2, a3)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3) { return return_I(targetA4(a0, a1, a2, a3)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3) { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, Object a1, Object a2, Object a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, Object a1, Object a2, int    a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, Object a1, int    a2, int    a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, int    a1, int    a2, int    a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(int    a0, int    a1, int    a2, int    a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, Object a1, Object a2, long   a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, Object a1, long   a2, long   a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(Object a0, long   a1, long   a2, long   a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object targetA4(long   a0, long   a1, long   a2, long   a3) throws Throwable { return target(a0, a1, a2, a3); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, int    a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, int    a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, int    a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, Object a1, int    a2, int    a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, Object a1, int    a2, int    a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, Object a1, int    a2, int    a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, int    a1, int    a2, int    a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, int    a1, int    a2, int    a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, int    a1, int    a2, int    a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(int    a0, int    a1, int    a2, int    a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(int    a0, int    a1, int    a2, int    a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(int    a0, int    a1, int    a2, int    a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3) throws Throwable { return return_L(targetA4(a0, a1, a2, a3)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3) throws Throwable { return return_I(targetA4(a0, a1, a2, a3)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3) throws Throwable { return return_J(targetA4(a0, a1, a2, a3)); }
     }
     static class A5 extends Adapter {
         protected A5(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A5(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A5 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A5(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, Object a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, int    a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, Object a2, int    a3, int    a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, int    a2, int    a3, int    a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, int    a1, int    a2, int    a3, int    a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(int    a0, int    a1, int    a2, int    a3, int    a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, long   a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, Object a2, long   a3, long   a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, Object a1, long   a2, long   a3, long   a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(Object a0, long   a1, long   a2, long   a3, long   a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object targetA5(long   a0, long   a1, long   a2, long   a3, long   a4) { return target(a0, a1, a2, a3, a4); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, int    a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, int    a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, int    a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, int    a3, int    a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, int    a3, int    a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, int    a3, int    a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, int    a2, int    a3, int    a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, int    a2, int    a3, int    a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, int    a2, int    a3, int    a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, int    a1, int    a2, int    a3, int    a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, int    a1, int    a2, int    a3, int    a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, int    a1, int    a2, int    a3, int    a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(int    a0, int    a1, int    a2, int    a3, int    a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(int    a0, int    a1, int    a2, int    a3, int    a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(int    a0, int    a1, int    a2, int    a3, int    a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4) { return return_L(targetA5(a0, a1, a2, a3, a4)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4) { return return_I(targetA5(a0, a1, a2, a3, a4)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4) { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, int    a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, Object a2, int    a3, int    a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, int    a2, int    a3, int    a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(int    a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, Object a2, Object a3, long   a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, Object a2, long   a3, long   a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, Object a1, long   a2, long   a3, long   a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(Object a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object targetA5(long   a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return target(a0, a1, a2, a3, a4); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, int    a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, int    a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, int    a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, int    a3, int    a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, int    a3, int    a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, int    a3, int    a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, int    a2, int    a3, int    a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, int    a2, int    a3, int    a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, int    a2, int    a3, int    a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(int    a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(int    a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(int    a0, int    a1, int    a2, int    a3, int    a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_L(targetA5(a0, a1, a2, a3, a4)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_I(targetA5(a0, a1, a2, a3, a4)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4) throws Throwable { return return_J(targetA5(a0, a1, a2, a3, a4)); }
     }
 //params=[6, 10, 2, 99, 0, 99]
     static class A6 extends Adapter {
         protected A6(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A6(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A6 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A6(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object targetA6(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return target(a0, a1, a2, a3, a4, a5); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object targetA6(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return target(a0, a1, a2, a3, a4, a5); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_L(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_I(targetA6(a0, a1, a2, a3, a4, a5)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5) throws Throwable { return return_J(targetA6(a0, a1, a2, a3, a4, a5)); }
     }
     static class A7 extends Adapter {
         protected A7(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A7(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A7 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A7(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object targetA7(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return target(a0, a1, a2, a3, a4, a5, a6); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object targetA7(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_L(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_I(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6) throws Throwable { return return_J(targetA7(a0, a1, a2, a3, a4, a5, a6)); }
     }
     static class A8 extends Adapter {
         protected A8(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A8(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A8 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A8(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object targetA8(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object targetA8(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_L(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_I(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7) throws Throwable { return return_J(targetA8(a0, a1, a2, a3, a4, a5, a6, a7)); }
     }
     static class A9 extends Adapter {
         protected A9(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A9(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A9 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A9(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object targetA9(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object targetA9(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_L(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_I(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8) throws Throwable { return return_J(targetA9(a0, a1, a2, a3, a4, a5, a6, a7, a8)); }
     }
     static class A10 extends Adapter {
         protected A10(MethodHandle entryPoint) { super(entryPoint); }  // to build prototype
         protected A10(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { super(e, i, c, t); }
         protected A10 makeInstance(MethodHandle e, MethodHandle i, MethodHandle c, MethodHandle t) { return new A10(e, i, c, t); }
-        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9)   { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object targetA10(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
-        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object target(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9)   throws Throwable { return invoker.<Object>invoke(target, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object targetA10(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return target(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, Object a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, Object a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, Object a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, Object a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, Object a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, Object a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, Object a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, Object a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, Object a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(Object a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected Object invoke_L(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_L(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected int    invoke_I(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_I(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
+        protected long   invoke_J(long   a0, long   a1, long   a2, long   a3, long   a4, long   a5, long   a6, long   a7, long   a8, long   a9) throws Throwable { return return_J(targetA10(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)); }
     }
 }

src/share/classes/sun/dyn/empty/Empty.java

@@ -29,6 +29,10 @@ package sun.dyn.empty;
  * An empty class in an empty package.
  * Used as a proxy for unprivileged code, since making access checks
  * against it will only succeed against public methods in public types.
+ * <p>
+ * This class also stands (internally to sun.dyn) for the type of a
+ * value that cannot be produced, because the expression of this type
+ * always returns abnormally.  (Cf. Nothing in the closures proposal.)
  * @author jrose
  */
 public class Empty {

src/share/classes/sun/dyn/util/BytecodeSignature.java → src/share/classes/sun/dyn/util/BytecodeDescriptor.java

@@ -33,9 +33,9 @@ import java.util.List;
  * Utility routines for dealing with bytecode-level signatures.
  * @author jrose
  */
-public class BytecodeSignature {
+public class BytecodeDescriptor {
 
-    private BytecodeSignature() { }  // cannot instantiate
+    private BytecodeDescriptor() { }  // cannot instantiate
 
     public static List<Class<?>> parseMethod(String bytecodeSignature, ClassLoader loader) {
         return parseMethod(bytecodeSignature, 0, bytecodeSignature.length(), loader);

src/share/classes/sun/dyn/util/BytecodeName.java

@@ -298,6 +298,8 @@ public class BytecodeName {
      * The name {@code <init>} will be parsed into { '<', "init", '>'}}
      * The name {@code foo/bar$:baz} will be parsed into
      * {@code {"foo", '/', "bar", '$', ':', "baz"}}.
+     * The name {@code ::\=:foo:\=bar\!baz} will be parsed into
+     * {@code {':', ':', "", ':', "foo", ':', "bar:baz"}}.
      */
     public static Object[] parseBytecodeName(String s) {
         int slen = s.length();
@@ -315,7 +317,7 @@ public class BytecodeName {
                 if (lasti < i) {
                     // normal component
                     if (pass != 0)
-                        res[fillp] = s.substring(lasti, i);
+                        res[fillp] = toSourceName(s.substring(lasti, i));
                     fillp++;
                     lasti = i+1;
                 }
@@ -323,13 +325,14 @@ public class BytecodeName {
                     if (pass != 0)
                         res[fillp] = DANGEROUS_CHARS_CA[whichDC];
                     fillp++;
+                    lasti = i+1;
                 }
             }
             if (pass != 0)  break;
             // between passes, build the result array
-            res = new String[fillp];
-            if (fillp <= 1) {
-                if (fillp != 0)  res[0] = s;
+            res = new Object[fillp];
+            if (fillp <= 1 && lasti == 0) {
+                if (fillp != 0)  res[0] = toSourceName(s);
                 break;
             }
         }
@@ -348,9 +351,19 @@ public class BytecodeName {
      * @throws NullPointerException if any component is null
      */
     public static String unparseBytecodeName(Object[] components) {
-        for (Object c : components) {
-            if (c instanceof String)
-                checkSafeBytecodeName((String) c);  // may fail
+        Object[] components0 = components;
+        for (int i = 0; i < components.length; i++) {
+            Object c = components[i];
+            if (c instanceof String) {
+                String mc = toBytecodeName((String) c);
+                if (i == 0 && components.length == 1)
+                    return mc;  // usual case
+                if ((Object)mc != c) {
+                    if (components == components0)
+                        components = components.clone();
+                    components[i] = c = mc;
+                }
+            }
         }
         return appendAll(components);
     }
@@ -381,6 +394,14 @@ public class BytecodeName {
      * If the bytecode name contains dangerous characters,
      * assume that they are being used as punctuation,
      * and pass them through unchanged.
+     * Non-empty runs of non-dangerous characters are demangled
+     * if necessary, and the resulting names are quoted if
+     * they are not already valid Java identifiers, or if
+     * they contain a dangerous character (i.e., dollar sign "$").
+     * Single quotes are used when quoting.
+     * Within quoted names, embedded single quotes and backslashes
+     * are further escaped by prepended backslashes.
+     *
      * @param s the original bytecode name (which may be qualified)
      * @return a human-readable presentation
      */
@@ -389,10 +410,10 @@ public class BytecodeName {
         for (int i = 0; i < components.length; i++) {
             if (!(components[i] instanceof String))
                 continue;
-            String c = (String) components[i];
-            // pretty up the name by demangling it
-            String sn = toSourceName(c);
-            if ((Object)sn != c || !isJavaIdent(sn)) {
+            String sn = (String) components[i];
+            // note that the name is already demangled!
+            //sn = toSourceName(sn);
+            if (!isJavaIdent(sn) || sn.indexOf('$') >=0 ) {
                 components[i] = quoteDisplay(sn);
             }
         }
@@ -401,10 +422,10 @@ public class BytecodeName {
     private static boolean isJavaIdent(String s) {
         int slen = s.length();
         if (slen == 0)  return false;
-        if (!Character.isUnicodeIdentifierStart(s.charAt(0)))
+        if (!Character.isJavaIdentifierStart(s.charAt(0)))
             return false;
         for (int i = 1; i < slen; i++) {
-            if (!Character.isUnicodeIdentifierPart(s.charAt(0)))
+            if (!Character.isJavaIdentifierPart(s.charAt(i)))
                 return false;
         }
         return true;
@@ -602,110 +623,5 @@ public class BytecodeName {
         return -1;
     }
 
-    // test driver
-    static void main(String[] av) {
-        // If verbose is enabled, quietly check everything.
-        // Otherwise, print the output for the user to check.
-        boolean verbose = false;
-
-        int maxlen = 0;
-
-        while (av.length > 0 && av[0].startsWith("-")) {
-            String flag = av[0].intern();
-            av = java.util.Arrays.copyOfRange(av, 1, av.length); // Java 1.6 or later
-            if (flag == "-" || flag == "--")  break;
-            else if (flag == "-q")
-                verbose = false;
-            else if (flag == "-v")
-                verbose = true;
-            else if (flag.startsWith("-l"))
-                maxlen = Integer.valueOf(flag.substring(2));
-            else
-                throw new Error("Illegal flag argument: "+flag);
-        }
-
-        if (maxlen == 0)
-            maxlen = (verbose ? 2 : 4);
-        if (verbose)  System.out.println("Note: maxlen = "+maxlen);
-
-        switch (av.length) {
-        case 0: av = new String[] {
-                    DANGEROUS_CHARS.substring(0) +
-                    REPLACEMENT_CHARS.substring(0, 1) +
-                    NULL_ESCAPE + "x"
-                }; // and fall through:
-        case 1:
-            char[] cv = av[0].toCharArray();
-            av = new String[cv.length];
-            int avp = 0;
-            for (char c : cv) {
-                String s = String.valueOf(c);
-                if (c == 'x')  s = "foo";  // tradition...
-                av[avp++] = s;
-            }
-        }
-        if (verbose)
-            System.out.println("Note: Verbose output mode enabled.  Use '-q' to suppress.");
-        Tester t = new Tester();
-        t.maxlen = maxlen;
-        t.verbose = verbose;
-        t.tokens = av;
-        t.test("", 0);
-    }
-
-    static class Tester {
-        boolean verbose;
-        int maxlen;
-        java.util.Map<String,String> map = new java.util.HashMap<String,String>();
-        String[] tokens;
-
-        void test(String stringSoFar, int tokensSoFar) {
-            test(stringSoFar);
-            if (tokensSoFar <= maxlen) {
-                for (String token : tokens) {
-                    if (token.length() == 0)  continue;  // skip empty tokens
-                    if (stringSoFar.indexOf(token) != stringSoFar.lastIndexOf(token))
-                        continue;   // there are already two occs. of this token
-                    if (token.charAt(0) == ESCAPE_C && token.length() == 1 && maxlen < 4)
-                        test(stringSoFar+token, tokensSoFar);  // want lots of \'s
-                    else if (tokensSoFar < maxlen)
-                        test(stringSoFar+token, tokensSoFar+1);
-                }
-            }
-        }
-
-        void test(String s) {
-            // for small batches, do not test the null string
-            if (s.length() == 0 && maxlen >=1 && maxlen <= 2)  return;
-            String bn = testSourceName(s);
-            if (bn == null)  return;
-            if (bn == s) {
-                //if (verbose)  System.out.println(s+" == id");
-            } else {
-                if (verbose)  System.out.println(s+" => "+bn+" "+toDisplayName(bn));
-                String bnbn = testSourceName(bn);
-                if (bnbn == null)  return;
-                if (verbose)  System.out.println(bn+" => "+bnbn+" "+toDisplayName(bnbn));
-                /*
-                String bn3 = testSourceName(bnbn);
-                if (bn3 == null)  return;
-                if (verbose)  System.out.println(bnbn+" => "+bn3);
-                */
-            }
-        }
 
-        String testSourceName(String s) {
-            if (map.containsKey(s))  return null;
-            String bn = toBytecodeName(s);
-            map.put(s, bn);
-            String sn = toSourceName(bn);
-            if (!sn.equals(s)) {
-                String bad = (s+" => "+bn+" != "+sn);
-                if (!verbose)  throw new Error("Bad mangling: "+bad);
-                System.out.println("*** "+bad);
-                return null;
-            }
-            return bn;
-        }
-    }
 }

src/share/classes/sun/dyn/util/ValueConversions.java

@@ -27,7 +27,10 @@ package sun.dyn.util;
 
 import java.dyn.*;
 import java.dyn.MethodHandles.Lookup;
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.EnumMap;
+import java.util.List;
 import sun.dyn.Access;
 import sun.dyn.AdapterMethodHandle;
 import sun.dyn.MethodHandleImpl;
@@ -37,6 +40,7 @@ public class ValueConversions {
     private static final Lookup IMPL_LOOKUP = MethodHandleImpl.getLookup(IMPL_TOKEN);
 
     private static EnumMap<Wrapper, MethodHandle>[] newWrapperCaches(int n) {
+        @SuppressWarnings("unchecked")
         EnumMap<Wrapper, MethodHandle>[] caches
                 = (EnumMap<Wrapper, MethodHandle>[]) new EnumMap[n];  // unchecked warning expected here
         for (int i = 0; i < n; i++)
@@ -114,7 +118,7 @@ public class ValueConversions {
     }
 
     private static MethodType unboxType(Wrapper wrap, boolean raw) {
-        return MethodType.make(rawWrapper(wrap, raw).primitiveType(), wrap.wrapperType());
+        return MethodType.methodType(rawWrapper(wrap, raw).primitiveType(), wrap.wrapperType());
     }
 
     private static final EnumMap<Wrapper, MethodHandle>[]
@@ -240,7 +244,7 @@ public class ValueConversions {
     private static MethodType boxType(Wrapper wrap, boolean raw) {
         // be exact, since return casts are hard to compose
         Class<?> boxType = wrap.wrapperType();
-        return MethodType.make(boxType, rawWrapper(wrap, raw).primitiveType());
+        return MethodType.methodType(boxType, rawWrapper(wrap, raw).primitiveType());
     }
 
     private static Wrapper rawWrapper(Wrapper wrap, boolean raw) {
@@ -305,29 +309,47 @@ public class ValueConversions {
 
     /// Kludges for when raw values get accidentally boxed.
 
+    static int unboxRawInteger(Object x) {
+        if (x instanceof Integer)
+            return unboxInteger(x);
+        else
+            return (int) unboxLong(x);
+    }
+
+    static Integer reboxRawInteger(Object x) {
+        if (x instanceof Integer)
+            return (Integer) x;
+        else
+            return (int) unboxLong(x);
+    }
+
     static Byte reboxRawByte(Object x) {
         if (x instanceof Byte)  return (Byte) x;
-        return boxByteRaw(unboxInteger(x));
+        return boxByteRaw(unboxRawInteger(x));
     }
 
     static Short reboxRawShort(Object x) {
         if (x instanceof Short)  return (Short) x;
-        return boxShortRaw(unboxInteger(x));
+        return boxShortRaw(unboxRawInteger(x));
     }
 
     static Boolean reboxRawBoolean(Object x) {
         if (x instanceof Boolean)  return (Boolean) x;
-        return boxBooleanRaw(unboxInteger(x));
+        return boxBooleanRaw(unboxRawInteger(x));
     }
 
     static Character reboxRawCharacter(Object x) {
         if (x instanceof Character)  return (Character) x;
-        return boxCharacterRaw(unboxInteger(x));
+        return boxCharacterRaw(unboxRawInteger(x));
     }
 
     static Float reboxRawFloat(Object x) {
         if (x instanceof Float)  return (Float) x;
-        return boxFloatRaw(unboxInteger(x));
+        return boxFloatRaw(unboxRawInteger(x));
+    }
+
+    static Long reboxRawLong(Object x) {
+        return (Long) x;  //never a rebox
     }
 
     static Double reboxRawDouble(Object x) {
@@ -337,12 +359,21 @@ public class ValueConversions {
 
     private static MethodType reboxType(Wrapper wrap) {
         Class<?> boxType = wrap.wrapperType();
-        return MethodType.make(boxType, Object.class);
+        return MethodType.methodType(boxType, Object.class);
     }
 
     private static final EnumMap<Wrapper, MethodHandle>[]
             REBOX_CONVERSIONS = newWrapperCaches(2);
 
+    /**
+     * Becase we normalize primitive types to reduce the number of signatures,
+     * primitives are sometimes manipulated under an "erased" type,
+     * either int (for types other than long/double) or long (for all types).
+     * When the erased primitive value is then boxed into an Integer or Long,
+     * the final boxed primitive is sometimes required.  This transformation
+     * is called a "rebox".  It takes an Integer or Long and produces some
+     * other boxed value.
+     */
     public static MethodHandle rebox(Wrapper wrap, boolean exact) {
         EnumMap<Wrapper, MethodHandle> cache = REBOX_CONVERSIONS[exact?1:0];
         MethodHandle mh = cache.get(wrap);
@@ -355,9 +386,6 @@ public class ValueConversions {
                 mh = IDENTITY; break;
             case VOID:
                 throw new IllegalArgumentException("cannot rebox a void");
-            case INT: case LONG:
-                mh = cast(wrap.wrapperType(), exact);
-                break;
         }
         if (mh != null) {
             cache.put(wrap, mh);
@@ -384,13 +412,21 @@ public class ValueConversions {
     /// Width-changing conversions between int and long.
 
     static long widenInt(int x) {
-        return x;
+        return (long) x;
+    }
+
+    static Long widenBoxedInt(Integer x) {
+        return (long)(int)x;
     }
 
     static int narrowLong(long x) {
         return (int) x;
     }
 
+    static Integer narrowBoxedLong(Long x) {
+        return (int)(long) x;
+    }
+
     /// Constant functions
 
     static void ignore(Object x) {
@@ -432,7 +468,7 @@ public class ValueConversions {
             return mh;
         }
         // slow path
-        MethodType type = MethodType.make(wrap.primitiveType());
+        MethodType type = MethodType.methodType(wrap.primitiveType());
         switch (wrap) {
             case VOID:
                 mh = EMPTY;
@@ -500,11 +536,11 @@ public class ValueConversions {
     private static final MethodHandle IDENTITY, CAST_REFERENCE, ALWAYS_NULL, ALWAYS_ZERO, ZERO_OBJECT, IGNORE, EMPTY;
     static {
         try {
-            MethodType idType = MethodType.makeGeneric(1);
-            MethodType castType = idType.insertParameterType(0, Class.class);
+            MethodType idType = MethodType.genericMethodType(1);
+            MethodType castType = idType.insertParameterTypes(0, Class.class);
             MethodType alwaysZeroType = idType.changeReturnType(int.class);
             MethodType ignoreType = idType.changeReturnType(void.class);
-            MethodType zeroObjectType = MethodType.makeGeneric(0);
+            MethodType zeroObjectType = MethodType.genericMethodType(0);
             IDENTITY = IMPL_LOOKUP.findStatic(ValueConversions.class, "identity", idType);
             //CAST_REFERENCE = IMPL_LOOKUP.findVirtual(Class.class, "cast", idType);
             CAST_REFERENCE = IMPL_LOOKUP.findStatic(ValueConversions.class, "castReference", castType);
@@ -512,7 +548,7 @@ public class ValueConversions {
             ALWAYS_ZERO = IMPL_LOOKUP.findStatic(ValueConversions.class, "alwaysZero", alwaysZeroType);
             ZERO_OBJECT = IMPL_LOOKUP.findStatic(ValueConversions.class, "zeroObject", zeroObjectType);
             IGNORE = IMPL_LOOKUP.findStatic(ValueConversions.class, "ignore", ignoreType);
-            EMPTY = IMPL_LOOKUP.findStatic(ValueConversions.class, "empty", ignoreType.dropParameterType(0));
+            EMPTY = IMPL_LOOKUP.findStatic(ValueConversions.class, "empty", ignoreType.dropParameterTypes(0, 1));
         } catch (RuntimeException ex) {
             throw ex;
         }
@@ -543,10 +579,10 @@ public class ValueConversions {
         else if (VerifyType.isNullType(type))
             mh = ALWAYS_NULL;
         else
-            mh = MethodHandles.insertArgument(CAST_REFERENCE, 0, type);
+            mh = MethodHandles.insertArguments(CAST_REFERENCE, 0, type);
         if (exact) {
-            MethodType xmt = MethodType.make(type, Object.class);
-            mh = AdapterMethodHandle.makeRawRetypeOnly(IMPL_TOKEN, xmt, mh);
+            MethodType xmt = MethodType.methodType(type, Object.class);
+            mh = AdapterMethodHandle.makeRetypeRaw(IMPL_TOKEN, xmt, mh);
         }
         if (cache != null)
             cache.put(wrap, mh);
@@ -560,4 +596,127 @@ public class ValueConversions {
     private static MethodHandle retype(MethodType type, MethodHandle mh) {
         return AdapterMethodHandle.makeRetypeOnly(IMPL_TOKEN, type, mh);
     }
+
+    private static final Object[] NO_ARGS_ARRAY = {};
+    private static Object[] makeArray(Object... args) { return args; }
+    private static Object[] array() { return NO_ARGS_ARRAY; }
+    private static Object[] array(Object a0)
+                { return makeArray(a0); }
+    private static Object[] array(Object a0, Object a1)
+                { return makeArray(a0, a1); }
+    private static Object[] array(Object a0, Object a1, Object a2)
+                { return makeArray(a0, a1, a2); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3)
+                { return makeArray(a0, a1, a2, a3); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4)
+                { return makeArray(a0, a1, a2, a3, a4); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5)
+                { return makeArray(a0, a1, a2, a3, a4, a5); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7,
+                                  Object a8)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7,
+                                  Object a8, Object a9)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+    static MethodHandle[] makeArrays() {
+        ArrayList<MethodHandle> arrays = new ArrayList<MethodHandle>();
+        MethodHandles.Lookup lookup = IMPL_LOOKUP;
+        for (;;) {
+            int nargs = arrays.size();
+            MethodType type = MethodType.genericMethodType(nargs).changeReturnType(Object[].class);
+            String name = "array";
+            MethodHandle array = null;
+            try {
+                array = lookup.findStatic(ValueConversions.class, name, type);
+            } catch (NoAccessException ex) {
+            }
+            if (array == null)  break;
+            arrays.add(array);
+        }
+        assert(arrays.size() == 11);  // current number of methods
+        return arrays.toArray(new MethodHandle[0]);
+    }
+    static final MethodHandle[] ARRAYS = makeArrays();
+
+    /** Return a method handle that takes the indicated number of Object
+     *  arguments and returns an Object array of them, as if for varargs.
+     */
+    public static MethodHandle varargsArray(int nargs) {
+        if (nargs < ARRAYS.length)
+            return ARRAYS[nargs];
+        // else need to spin bytecode or do something else fancy
+        throw new UnsupportedOperationException("NYI");
+    }
+
+    private static final List<Object> NO_ARGS_LIST = Arrays.asList(NO_ARGS_ARRAY);
+    private static List<Object> makeList(Object... args) { return Arrays.asList(args); }
+    private static List<Object> list() { return NO_ARGS_LIST; }
+    private static List<Object> list(Object a0)
+                { return makeList(a0); }
+    private static List<Object> list(Object a0, Object a1)
+                { return makeList(a0, a1); }
+    private static List<Object> list(Object a0, Object a1, Object a2)
+                { return makeList(a0, a1, a2); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3)
+                { return makeList(a0, a1, a2, a3); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4)
+                { return makeList(a0, a1, a2, a3, a4); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5)
+                { return makeList(a0, a1, a2, a3, a4, a5); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7,
+                                     Object a8)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7,
+                                     Object a8, Object a9)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+    static MethodHandle[] makeLists() {
+        ArrayList<MethodHandle> arrays = new ArrayList<MethodHandle>();
+        MethodHandles.Lookup lookup = IMPL_LOOKUP;
+        for (;;) {
+            int nargs = arrays.size();
+            MethodType type = MethodType.genericMethodType(nargs).changeReturnType(List.class);
+            String name = "list";
+            MethodHandle array = null;
+            try {
+                array = lookup.findStatic(ValueConversions.class, name, type);
+            } catch (NoAccessException ex) {
+            }
+            if (array == null)  break;
+            arrays.add(array);
+        }
+        assert(arrays.size() == 11);  // current number of methods
+        return arrays.toArray(new MethodHandle[0]);
+    }
+    static final MethodHandle[] LISTS = makeLists();
+
+    /** Return a method handle that takes the indicated number of Object
+     *  arguments and returns List.
+     */
+    public static MethodHandle varargsList(int nargs) {
+        if (nargs < LISTS.length)
+            return LISTS[nargs];
+        // else need to spin bytecode or do something else fancy
+        throw new UnsupportedOperationException("NYI");
+    }
 }
+

src/share/classes/sun/dyn/util/VerifyAccess.java

@@ -26,8 +26,12 @@
 package sun.dyn.util;
 
 import java.dyn.LinkagePermission;
+import java.dyn.MethodHandles.Lookup;
+import java.dyn.NoAccessException;
 import java.lang.reflect.Modifier;
-import sun.dyn.Access;
+import sun.dyn.MemberName;
+import sun.dyn.MethodHandleImpl;
+import sun.dyn.empty.Empty;
 
 /**
  * This class centralizes information about the JVM's linkage access control.
@@ -45,21 +49,21 @@ public class VerifyAccess {
      * <p>
      * Some circumstances require an additional check on the
      * leading parameter (the receiver) of the method, if it is non-static.
-     * In the case of {@code invokespecial} ({@code doDispatch} is false),
+     * In the case of {@code invokespecial} ({@code isSpecialInvoke} is true),
      * the leading parameter must be the accessing class or a subclass.
      * In the case of a call to a {@code protected} method outside the same
      * package, the same constraint applies.
      * @param m the proposed callee
-     * @param doDispatch if false, a non-static m will be invoked as if by {@code invokespecial}
+     * @param isSpecialInvoke if true, a non-static method m is checked as if for {@code invokespecial}
      * @param lookupClass the class for which the access check is being made
      * @return null if the method is not accessible, else a receiver type constraint, else {@code Object.class}
      */
     public static Class<?> isAccessible(Class<?> defc, int mods,
-            boolean doDispatch, Class<?> lookupClass) {
+            Class<?> lookupClass, boolean isSpecialInvoke) {
         if (!isAccessible(defc, lookupClass))
             return null;
         Class<?> constraint = Object.class;
-        if (!doDispatch && !Modifier.isStatic(mods)) {
+        if (isSpecialInvoke && !Modifier.isStatic(mods)) {
             constraint = lookupClass;
         }
         if (Modifier.isPublic(mods))
@@ -166,4 +170,38 @@ public class VerifyAccess {
         if (isSamePackage(requestingClass, subjectClass))  return;
         security.checkPermission(new LinkagePermission(permissionName, requestingClass));
     }
+
+    private static RuntimeException checkNameFailed(MemberName self, Lookup lookup, String comment) {
+        return new NoAccessException("cannot access from "+lookup+": "+self.toString()+": "+comment);
+    }
+    public static void checkName(MemberName self, Lookup lookup) {
+        Class<?> lc = lookup.lookupClass();
+        if (lc == null)  return;  // lookup is privileged
+        Class<?> dc = self.getDeclaringClass();
+        int samepkg = 0;
+        // First check the containing class.  Must be public or local.
+        if (!Modifier.isPublic(dc.getModifiers())) {
+            if (lc != Empty.class)
+                samepkg = (isSamePackage(dc, lc) ? 1 : -1);
+            if (samepkg <= 0)
+                throw checkNameFailed(self, lookup, "class is not public");
+        }
+        // At this point dc is known to be accessible.
+        if (self.isPublic()) {
+            return;
+        } else if (lc == Empty.class) {
+            throw checkNameFailed(self, lookup, "member is not public");
+        } else if (self.isProtected()) {
+            if (dc.isAssignableFrom(lc))  return;
+        } else if (self.isPrivate()) {
+            if (isSamePackageMember(dc, lc))  return;
+            throw checkNameFailed(self, lookup, "member is private");
+        }
+        // Fall-through handles the package-private and protected cases.
+        if (samepkg == 0)
+            samepkg = (isSamePackage(dc, lc) ? 1 : -1);
+        if (samepkg > 0)  return;
+        throw checkNameFailed(self, lookup,
+                self.isProtected() ? "member is protected" : "member is private to package");
+    }
 }

src/share/classes/sun/dyn/util/VerifyType.java

@@ -26,6 +26,7 @@
 package sun.dyn.util;
 
 import java.dyn.MethodType;
+import sun.dyn.empty.Empty;
 
 /**
  * This class centralizes information about the JVM verifier
@@ -73,29 +74,28 @@ public class VerifyType {
     }
 
     /**
-     * Is the given type either java.lang.Void or java.lang.Null?
-     * These types serve as markers for bare nulls and therefore
-     * may be promoted to any type.  This is secure, since
+     * Is the given type java.lang.Null or an equivalent null-only type?
      */
     public static boolean isNullType(Class<?> type) {
         if (type == null)  return false;
-        return type == NULL_CLASS_1 || type == NULL_CLASS_2;
+        return type == NULL_CLASS
+            // This one may also be used as a null type.
+            // TO DO: Decide if we really want to legitimize it here.
+            // Probably we do, unless java.lang.Null really makes it into Java 7
+            //|| type == Void.class
+            // Locally known null-only class:
+            || type == Empty.class
+            ;
     }
-    private static final Class<?> NULL_CLASS_1, NULL_CLASS_2;
+    private static final Class<?> NULL_CLASS;
     static {
-        Class<?> nullClass1 = null, nullClass2 = null;
+        Class<?> nullClass = null;
         try {
-            nullClass1 = Class.forName("java.lang.Null");
+            nullClass = Class.forName("java.lang.Null");
         } catch (ClassNotFoundException ex) {
             // OK, we'll cope
         }
-        NULL_CLASS_1 = nullClass1;
-
-        // This one may also be used as a null type.
-        // TO DO: Decide if we really want to legitimize it here.
-        // Probably we do, unless java.lang.Null really makes it into Java 7
-        nullClass2 = Void.class;
-        NULL_CLASS_2 = nullClass2;
+        NULL_CLASS = nullClass;
     }
 
     /**
@@ -191,6 +191,11 @@ public class VerifyType {
                 // to be captured as a garbage int.
                 // Caller promises that the actual value will be disregarded.
                 return dst == int.class ? 1 : 0;
+            if (isNullType(src))
+                // Special permission for raw conversions: allow a null
+                // to be reinterpreted as anything.  For objects, it is safe,
+                // and for primitives you get a garbage value (probably zero).
+                return 1;
             if (!src.isPrimitive())
                 return 0;
             Wrapper sw = Wrapper.forPrimitiveType(src);

src/share/classes/sun/dyn/util/Wrapper.java

@@ -141,13 +141,19 @@ public enum Wrapper {
      *  @throws IllegalArgumentException for unexpected types
      */
     public static Wrapper forPrimitiveType(Class<?> type) {
+        Wrapper w = findPrimitiveType(type);
+        if (w != null)  return w;
+        if (type.isPrimitive())
+            throw new InternalError(); // redo hash function
+        throw newIllegalArgumentException("not primitive: "+type);
+    }
+
+    static Wrapper findPrimitiveType(Class<?> type) {
         Wrapper w = FROM_PRIM[hashPrim(type)];
         if (w != null && w.primitiveType == type) {
             return w;
         }
-        if (type.isPrimitive())
-            throw new InternalError(); // redo hash function
-        throw newIllegalArgumentException("not primitive: "+type);
+        return null;
     }
 
     /** Return the wrapper that wraps values into the given wrapper type.
@@ -160,7 +166,7 @@ public enum Wrapper {
         Wrapper w = findWrapperType(type);
         if (w != null)  return w;
         for (Wrapper x : values())
-            if (w.wrapperType == type)
+            if (x.wrapperType == type)
                 throw new InternalError(); // redo hash function
         throw newIllegalArgumentException("not wrapper: "+type);
     }
@@ -244,8 +250,10 @@ public enum Wrapper {
     public Class<?> wrapperType() { return wrapperType; }
 
     /** What is the wrapper type for this wrapper?
-     * The example type must be the wrapper type,
+     * Otherwise, the example type must be the wrapper type,
      * or the corresponding primitive type.
+     * (For {@code OBJECT}, the example type can be any non-primitive,
+     * and is normalized to {@code Object.class}.)
      * The resulting class type has the same type parameter.
      */
     public <T> Class<T> wrapperType(Class<T> exampleType) {
@@ -290,6 +298,16 @@ public enum Wrapper {
         return type.isPrimitive();
     }
 
+    /** What is the bytecode signature character for this type?
+     *  All non-primitives, including array types, report as 'L', the signature character for references.
+     */
+    public static char basicTypeChar(Class<?> type) {
+        if (!type.isPrimitive())
+            return 'L';
+        else
+            return forPrimitiveType(type).basicTypeChar();
+    }
+
     /** What is the bytecode signature character for this wrapper's
      *  primitive type?
      */
@@ -309,7 +327,7 @@ public enum Wrapper {
     /** Cast a wrapped value to the given type, which may be either a primitive or wrapper type.
      *  Performs standard primitive conversions, including truncation and float conversions.
      *  The given type must be compatible with this wrapper.  That is, it must either
-     *  be the wrapper type (or a subtype, in the case of {@code OBJECT} or else
+     *  be the wrapper type (or a subtype, in the case of {@code OBJECT}) or else
      *  it must be the wrapper's primitive type.
      *  @throws ClassCastException if the given type is not compatible with this wrapper
      */
@@ -326,9 +344,17 @@ public enum Wrapper {
      * If the target type is a primitive, change it to a wrapper.
      */
     static <T> Class<T> forceType(Class<?> type, Class<T> exampleType) {
+        boolean z = (type == exampleType ||
+               type.isPrimitive() && forPrimitiveType(type) == findWrapperType(exampleType) ||
+               exampleType.isPrimitive() && forPrimitiveType(exampleType) == findWrapperType(type) ||
+               type == Object.class && !exampleType.isPrimitive());
+        if (!z)
+            System.out.println(type+" <= "+exampleType);
         assert(type == exampleType ||
-               type == asWrapperType(exampleType) ||
-               type == Object.class && exampleType.isInterface());
+               type.isPrimitive() && forPrimitiveType(type) == findWrapperType(exampleType) ||
+               exampleType.isPrimitive() && forPrimitiveType(exampleType) == findWrapperType(type) ||
+               type == Object.class && !exampleType.isPrimitive());
+        @SuppressWarnings("unchecked")
         Class<T> result = (Class<T>) type;  // unchecked warning is expected here
         return result;
     }

test/java/dyn/MethodHandlesTest.java

+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @summary unit tests for java.dyn.MethodHandles
+ * @compile -XDinvokedynamic MethodHandlesTest.java
+ * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic jdk.java.dyn.MethodHandlesTest
+ */
+
+package jdk.java.dyn;
+
+import java.dyn.*;
+import java.dyn.MethodHandles.Lookup;
+import java.lang.reflect.*;
+import java.util.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.junit.*;
+import static org.junit.Assert.*;
+
+
+/**
+ *
+ * @author jrose
+ */
+public class MethodHandlesTest {
+    // How much output?
+    static int verbosity = 1;
+
+    // Set this true during development if you want to fast-forward to
+    // a particular new, non-working test.  Tests which are known to
+    // work (or have recently worked) test this flag and return on true.
+    static boolean CAN_SKIP_WORKING = false;
+    //static { CAN_SKIP_WORKING = true; }
+
+    // Set true to test more calls.  If false, some tests are just
+    // lookups, without exercising the actual method handle.
+    static boolean DO_MORE_CALLS = false;
+
+
+    @Test
+    public void testFirst() throws Throwable {
+        verbosity += 9; try {
+            // left blank for debugging
+        } finally { verbosity -= 9; }
+    }
+
+    // current failures
+    @Test @Ignore("failure in call to makeRawRetypeOnly in ToGeneric")
+    public void testFail_1() throws Throwable {
+        testSpreadArguments(int.class, 0, 6);
+    }
+    @Test @Ignore("failure in JVM when expanding the stack")
+    public void testFail_2() throws Throwable {
+        // if CONV_OP_IMPLEMENTED_MASK includes OP_SPREAD_ARGS, this crashes:
+        testSpreadArguments(Object.class, 0, 2);
+    }
+    @Test @Ignore("IllArgEx failure in call to ToGeneric.make")
+    public void testFail_3() throws Throwable {
+        testSpreadArguments(int.class, 1, 2);
+    }
+    @Test @Ignore("IllArgEx failure in call to ToGeneric.make")
+    public void testFail_4() throws Throwable {
+        testCollectArguments(int.class, 1, 2);
+    }
+    @Test @Ignore("cannot collect leading primitive types")
+    public void testFail_5() throws Throwable {
+        testInvokers(MethodType.genericMethodType(2).changeParameterType(0, int.class));
+    }
+    @Test @Ignore("should not insert arguments beyond MethodHandlePushLimit")
+    public void testFail_6() throws Throwable {
+        testInsertArguments(0, 0, MAX_ARG_INCREASE+1);
+    }
+    static final int MAX_ARG_INCREASE = 3;
+
+    public MethodHandlesTest() {
+    }
+
+    String testName;
+    int posTests, negTests;
+    @After
+    public void printCounts() {
+        if (verbosity >= 1 && (posTests | negTests) != 0) {
+            System.out.println();
+            if (posTests != 0)  System.out.println("=== "+testName+": "+posTests+" positive test cases run");
+            if (negTests != 0)  System.out.println("=== "+testName+": "+negTests+" negative test cases run");
+        }
+    }
+    void countTest(boolean positive) {
+        if (positive) ++posTests;
+        else          ++negTests;
+    }
+    void countTest() { countTest(true); }
+    void startTest(String name) {
+        if (testName != null)  printCounts();
+        if (verbosity >= 0)
+            System.out.println(name);
+        posTests = negTests = 0;
+        testName = name;
+    }
+
+    @BeforeClass
+    public static void setUpClass() throws Exception {
+        calledLog.clear();
+        calledLog.add(null);
+        nextArg = 1000000;
+    }
+
+    @AfterClass
+    public static void tearDownClass() throws Exception {
+    }
+
+    static List<Object> calledLog = new ArrayList<Object>();
+    static Object logEntry(String name, Object... args) {
+        return Arrays.asList(name, Arrays.asList(args));
+    }
+    static Object called(String name, Object... args) {
+        Object entry = logEntry(name, args);
+        calledLog.add(entry);
+        return entry;
+    }
+    static void assertCalled(String name, Object... args) {
+        Object expected = logEntry(name, args);
+        Object actual   = calledLog.get(calledLog.size() - 1);
+        if (expected.equals(actual))  return;
+        System.out.println("assertCalled "+name+":");
+        System.out.println("expected:   "+expected);
+        System.out.println("actual:     "+actual);
+        System.out.println("ex. types:  "+getClasses(expected));
+        System.out.println("act. types: "+getClasses(actual));
+        assertEquals("previous method call types", expected, actual);
+        assertEquals("previous method call", expected, actual);
+    }
+    static void printCalled(MethodHandle target, String name, Object... args) {
+        if (verbosity >= 2)
+            System.out.println("calling "+logEntry(name, args)+" on "+target);
+    }
+
+    static Object castToWrapper(Object value, Class<?> dst) {
+        Object wrap = null;
+        if (value instanceof Number)
+            wrap = castToWrapperOrNull(((Number)value).longValue(), dst);
+        if (value instanceof Character)
+            wrap = castToWrapperOrNull((char)(Character)value, dst);
+        if (wrap != null)  return wrap;
+        return dst.cast(value);
+    }
+
+    static Object castToWrapperOrNull(long value, Class<?> dst) {
+        if (dst == int.class || dst == Integer.class)
+            return (int)(value);
+        if (dst == long.class || dst == Long.class)
+            return (long)(value);
+        if (dst == char.class || dst == Character.class)
+            return (char)(value);
+        if (dst == short.class || dst == Short.class)
+            return (short)(value);
+        if (dst == float.class || dst == Float.class)
+            return (float)(value);
+        if (dst == double.class || dst == Double.class)
+            return (double)(value);
+        if (dst == byte.class || dst == Byte.class)
+            return (byte)(value);
+        if (dst == boolean.class || dst == boolean.class)
+            return ((value % 29) & 1) == 0;
+        return null;
+    }
+
+    static int nextArg;
+    static Object randomArg(Class<?> param) {
+        Object wrap = castToWrapperOrNull(nextArg, param);
+        if (wrap != null) {
+            nextArg++;
+            return wrap;
+        }
+//        import sun.dyn.util.Wrapper;
+//        Wrapper wrap = Wrapper.forBasicType(dst);
+//        if (wrap == Wrapper.OBJECT && Wrapper.isWrapperType(dst))
+//            wrap = Wrapper.forWrapperType(dst);
+//        if (wrap != Wrapper.OBJECT)
+//            return wrap.wrap(nextArg++);
+        if (param.isInterface() || param.isAssignableFrom(String.class))
+            return "#"+(nextArg++);
+        else
+            try {
+                return param.newInstance();
+            } catch (InstantiationException ex) {
+            } catch (IllegalAccessException ex) {
+            }
+        return null;  // random class not Object, String, Integer, etc.
+    }
+    static Object[] randomArgs(Class<?>... params) {
+        Object[] args = new Object[params.length];
+        for (int i = 0; i < args.length; i++)
+            args[i] = randomArg(params[i]);
+        return args;
+    }
+    static Object[] randomArgs(int nargs, Class<?> param) {
+        Object[] args = new Object[nargs];
+        for (int i = 0; i < args.length; i++)
+            args[i] = randomArg(param);
+        return args;
+    }
+
+    static <T, E extends T> T[] array(Class<T[]> atype, E... a) {
+        return Arrays.copyOf(a, a.length, atype);
+    }
+    static <T> T[] cat(T[] a, T... b) {
+        int alen = a.length, blen = b.length;
+        if (blen == 0)  return a;
+        T[] c = Arrays.copyOf(a, alen + blen);
+        System.arraycopy(b, 0, c, alen, blen);
+        return c;
+    }
+    static Integer[] boxAll(int... vx) {
+        Integer[] res = new Integer[vx.length];
+        for (int i = 0; i < res.length; i++) {
+            res[i] = vx[i];
+        }
+        return res;
+    }
+    static Object getClasses(Object x) {
+        if (x == null)  return x;
+        if (x instanceof String)  return x;  // keep the name
+        if (x instanceof List) {
+            // recursively report classes of the list elements
+            Object[] xa = ((List)x).toArray();
+            for (int i = 0; i < xa.length; i++)
+                xa[i] = getClasses(xa[i]);
+            return Arrays.asList(xa);
+        }
+        return x.getClass().getSimpleName();
+    }
+
+    static MethodHandle changeArgTypes(MethodHandle target, Class<?> argType) {
+        return changeArgTypes(target, 0, 999, argType);
+    }
+    static MethodHandle changeArgTypes(MethodHandle target,
+            int beg, int end, Class<?> argType) {
+        MethodType targetType = target.type();
+        end = Math.min(end, targetType.parameterCount());
+        ArrayList<Class<?>> argTypes = new ArrayList<Class<?>>(targetType.parameterList());
+        Collections.fill(argTypes.subList(beg, end), argType);
+        MethodType ttype2 = MethodType.methodType(targetType.returnType(), argTypes);
+        return MethodHandles.convertArguments(target, ttype2);
+    }
+
+    // This lookup is good for all members in and under MethodHandlesTest.
+    static final Lookup PRIVATE = MethodHandles.lookup();
+    // This lookup is good for package-private members but not private ones.
+    static final Lookup PACKAGE = PackageSibling.lookup();
+    // This lookup is good only for public members.
+    static final Lookup PUBLIC  = MethodHandles.publicLookup();
+
+    // Subject methods...
+    static class Example implements IntExample {
+        final String name;
+        public Example() { name = "Example#"+(nextArg++); }
+        protected Example(String name) { this.name = name; }
+        protected Example(int x) { this(); called("protected <init>", this, x); }
+        @Override public String toString() { return name; }
+
+        public void            v0()     { called("v0", this); }
+        void                   pkg_v0() { called("pkg_v0", this); }
+        private void           pri_v0() { called("pri_v0", this); }
+        public static void     s0()     { called("s0"); }
+        static void            pkg_s0() { called("pkg_s0"); }
+        private static void    pri_s0() { called("pri_s0"); }
+
+        public Object          v1(Object x) { return called("v1", this, x); }
+        public Object          v2(Object x, Object y) { return called("v2", this, x, y); }
+        public Object          v2(Object x, int    y) { return called("v2", this, x, y); }
+        public Object          v2(int    x, Object y) { return called("v2", this, x, y); }
+        public Object          v2(int    x, int    y) { return called("v2", this, x, y); }
+        public static Object   s1(Object x) { return called("s1", x); }
+        public static Object   s2(int x)    { return called("s2", x); }
+        public static Object   s3(long x)   { return called("s3", x); }
+        public static Object   s4(int x, int y) { return called("s4", x, y); }
+        public static Object   s5(long x, int y) { return called("s5", x, y); }
+        public static Object   s6(int x, long y) { return called("s6", x, y); }
+        public static Object   s7(float x, double y) { return called("s7", x, y); }
+    }
+    public static class PubExample extends Example {
+    }
+    static class SubExample extends Example {
+        @Override public void  v0()     { called("Sub/v0", this); }
+        @Override void         pkg_v0() { called("Sub/pkg_v0", this); }
+        private      SubExample(int x)  { called("<init>", this, x); }
+        public SubExample() { super("SubExample#"+(nextArg++)); }
+    }
+    public static interface IntExample {
+        public void            v0();
+        static class Impl implements IntExample {
+            public void        v0()     { called("Int/v0", this); }
+            final String name;
+            public Impl() { name = "Example#"+(nextArg++); }
+        }
+    }
+
+    static final Object[][][] ACCESS_CASES = {
+        { { false, PUBLIC }, { false, PACKAGE }, { false, PRIVATE } },
+        { { false, PUBLIC }, { false, PACKAGE }, { true,  PRIVATE } },
+        { { false, PUBLIC }, { true,  PACKAGE }, { true,  PRIVATE } },
+        { { true,  PUBLIC }, { true,  PACKAGE }, { true,  PRIVATE } },
+    };
+
+    static Object[][] accessCases(Class<?> defc, String name) {
+        if (name.contains("pri_")) {
+            return ACCESS_CASES[1]; // PRIVATE only
+        } else if (name.contains("pkg_")) {
+            return ACCESS_CASES[2]; // not PUBLIC
+        } else {
+            assertTrue(name.indexOf('_') < 0);
+            boolean pubc = Modifier.isPublic(defc.getModifiers());
+            if (pubc)
+                return ACCESS_CASES[3]; // all access levels
+            return ACCESS_CASES[2]; // PACKAGE but not PUBLIC
+        }
+    }
+
+    @Test
+    public void testFindStatic() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("findStatic");
+        testFindStatic(PubExample.class, void.class, "s0");
+        testFindStatic(Example.class, void.class, "s0");
+        testFindStatic(Example.class, void.class, "pkg_s0");
+        testFindStatic(Example.class, void.class, "pri_s0");
+
+        testFindStatic(Example.class, Object.class, "s1", Object.class);
+        testFindStatic(Example.class, Object.class, "s2", int.class);
+        testFindStatic(Example.class, Object.class, "s3", long.class);
+        testFindStatic(Example.class, Object.class, "s4", int.class, int.class);
+        testFindStatic(Example.class, Object.class, "s5", long.class, int.class);
+        testFindStatic(Example.class, Object.class, "s6", int.class, long.class);
+        testFindStatic(Example.class, Object.class, "s7", float.class, double.class);
+
+        testFindStatic(false, PRIVATE, Example.class, void.class, "bogus");
+    }
+
+    void testFindStatic(Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        for (Object[] ac : accessCases(defc, name)) {
+            testFindStatic((Boolean)ac[0], (Lookup)ac[1], defc, ret, name, params);
+        }
+    }
+    void testFindStatic(Lookup lookup, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        testFindStatic(true, lookup, defc, ret, name, params);
+    }
+    void testFindStatic(boolean positive, Lookup lookup, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        MethodType type = MethodType.methodType(ret, params);
+        MethodHandle target = null;
+        RuntimeException noAccess = null;
+        try {
+            target = lookup.findStatic(defc, name, type);
+        } catch (NoAccessException ex) {
+            noAccess = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("findStatic "+lookup+": "+defc+"."+name+"/"+type+" => "+target
+                    +(noAccess == null ? "" : " !! "+noAccess));
+        if (positive && noAccess != null)  throw noAccess;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        assertEquals(type, target.type());
+        assertTrue(target.toString().contains(name));  // rough check
+        if (!DO_MORE_CALLS && lookup != PRIVATE)  return;
+        Object[] args = randomArgs(params);
+        printCalled(target, name, args);
+        target.invokeVarargs(args);
+        assertCalled(name, args);
+        System.out.print(':');
+    }
+
+    @Test
+    public void testFindVirtual() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("findVirtual");
+        testFindVirtual(Example.class, void.class, "v0");
+        testFindVirtual(Example.class, void.class, "pkg_v0");
+        testFindVirtual(Example.class, void.class, "pri_v0");
+        testFindVirtual(Example.class, Object.class, "v1", Object.class);
+        testFindVirtual(Example.class, Object.class, "v2", Object.class, Object.class);
+        testFindVirtual(Example.class, Object.class, "v2", Object.class, int.class);
+        testFindVirtual(Example.class, Object.class, "v2", int.class, Object.class);
+        testFindVirtual(Example.class, Object.class, "v2", int.class, int.class);
+        testFindVirtual(false, PRIVATE, Example.class, Example.class, void.class, "bogus");
+        // test dispatch
+        testFindVirtual(SubExample.class,      SubExample.class, void.class, "Sub/v0");
+        testFindVirtual(SubExample.class,         Example.class, void.class, "Sub/v0");
+        testFindVirtual(SubExample.class,      IntExample.class, void.class, "Sub/v0");
+        testFindVirtual(SubExample.class,      SubExample.class, void.class, "Sub/pkg_v0");
+        testFindVirtual(SubExample.class,         Example.class, void.class, "Sub/pkg_v0");
+        testFindVirtual(Example.class,         IntExample.class, void.class, "v0");
+        testFindVirtual(IntExample.Impl.class, IntExample.class, void.class, "Int/v0");
+    }
+
+    void testFindVirtual(Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        Class<?> rcvc = defc;
+        testFindVirtual(rcvc, defc, ret, name, params);
+    }
+    void testFindVirtual(Class<?> rcvc, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        for (Object[] ac : accessCases(defc, name)) {
+            testFindVirtual((Boolean)ac[0], (Lookup)ac[1], rcvc, defc, ret, name, params);
+        }
+    }
+    void testFindVirtual(Lookup lookup, Class<?> rcvc, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        testFindVirtual(true, lookup, rcvc, defc, ret, name, params);
+    }
+    void testFindVirtual(boolean positive, Lookup lookup, Class<?> rcvc, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        String methodName = name.substring(1 + name.indexOf('/'));  // foo/bar => foo
+        MethodType type = MethodType.methodType(ret, params);
+        MethodHandle target = null;
+        RuntimeException noAccess = null;
+        try {
+            target = lookup.findVirtual(defc, methodName, type);
+        } catch (NoAccessException ex) {
+            noAccess = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("findVirtual "+lookup+": "+defc+"."+name+"/"+type+" => "+target
+                    +(noAccess == null ? "" : " !! "+noAccess));
+        if (positive && noAccess != null)  throw noAccess;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)defc), params);
+        MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
+        MethodType ttype = target.type();
+        ttype = ttype.changeParameterType(0, defc); // FIXME: test this
+        assertEquals(typeWithSelf, ttype);
+        assertTrue(target.toString().contains(methodName));  // rough check
+        if (!DO_MORE_CALLS && lookup != PRIVATE)  return;
+        Object[] argsWithSelf = randomArgs(paramsWithSelf);
+        if (rcvc != defc)  argsWithSelf[0] = randomArg(rcvc);
+        printCalled(target, name, argsWithSelf);
+        target.invokeVarargs(argsWithSelf);
+        assertCalled(name, argsWithSelf);
+        System.out.print(':');
+    }
+
+    @Test
+    public void testFindSpecial() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("findSpecial");
+        testFindSpecial(Example.class, void.class, "v0");
+        testFindSpecial(Example.class, void.class, "pkg_v0");
+        testFindSpecial(false, PRIVATE, Example.class, void.class, "<init>", int.class);
+        testFindSpecial(false, PRIVATE, Example.class, void.class, "bogus");
+    }
+
+    void testFindSpecial(Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        testFindSpecial(true,  PRIVATE, defc, ret, name, params);
+        testFindSpecial(false, PACKAGE, defc, ret, name, params);
+        testFindSpecial(false, PUBLIC,  defc, ret, name, params);
+    }
+    void testFindSpecial(boolean positive, Lookup lookup, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        MethodType type = MethodType.methodType(ret, params);
+        MethodHandle target = null;
+        RuntimeException noAccess = null;
+        try {
+            target = lookup.findSpecial(defc, name, type, defc);
+        } catch (NoAccessException ex) {
+            noAccess = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("findSpecial "+defc+"."+name+"/"+type+" => "+target
+                    +(noAccess == null ? "" : " !! "+noAccess));
+        if (positive && noAccess != null)  throw noAccess;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        Class<?>[] paramsWithSelf = cat(array(Class[].class, (Class)defc), params);
+        MethodType typeWithSelf = MethodType.methodType(ret, paramsWithSelf);
+        MethodType ttype = target.type();
+        ttype = ttype.changeParameterType(0, defc); // FIXME: test this
+        assertEquals(typeWithSelf, ttype);
+        assertTrue(target.toString().contains(name));  // rough check
+        if (!DO_MORE_CALLS && lookup != PRIVATE)  return;
+        Object[] args = randomArgs(paramsWithSelf);
+        printCalled(target, name, args);
+        target.invokeVarargs(args);
+        assertCalled(name, args);
+        System.out.print(':');
+    }
+
+    @Test
+    public void testBind() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("bind");
+        testBind(Example.class, void.class, "v0");
+        testBind(Example.class, void.class, "pkg_v0");
+        testBind(Example.class, void.class, "pri_v0");
+        testBind(Example.class, Object.class, "v1", Object.class);
+        testBind(Example.class, Object.class, "v2", Object.class, Object.class);
+        testBind(Example.class, Object.class, "v2", Object.class, int.class);
+        testBind(Example.class, Object.class, "v2", int.class, Object.class);
+        testBind(Example.class, Object.class, "v2", int.class, int.class);
+        testBind(false, PRIVATE, Example.class, void.class, "bogus");
+        testBind(SubExample.class, void.class, "Sub/v0");
+        testBind(SubExample.class, void.class, "Sub/pkg_v0");
+        testBind(IntExample.Impl.class, void.class, "Int/v0");
+    }
+
+    void testBind(Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        for (Object[] ac : accessCases(defc, name)) {
+            testBind((Boolean)ac[0], (Lookup)ac[1], defc, ret, name, params);
+        }
+    }
+
+    void testBind(boolean positive, Lookup lookup, Class<?> defc, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        String methodName = name.substring(1 + name.indexOf('/'));  // foo/bar => foo
+        MethodType type = MethodType.methodType(ret, params);
+        Object receiver = randomArg(defc);
+        MethodHandle target = null;
+        RuntimeException noAccess = null;
+        try {
+            target = lookup.bind(receiver, methodName, type);
+        } catch (NoAccessException ex) {
+            noAccess = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("bind "+receiver+"."+name+"/"+type+" => "+target
+                    +(noAccess == null ? "" : " !! "+noAccess));
+        if (positive && noAccess != null)  throw noAccess;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        assertEquals(type, target.type());
+        Object[] args = randomArgs(params);
+        printCalled(target, name, args);
+        target.invokeVarargs(args);
+        Object[] argsWithReceiver = cat(array(Object[].class, receiver), args);
+        assertCalled(name, argsWithReceiver);
+        System.out.print(':');
+    }
+
+    @Test
+    public void testUnreflect() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("unreflect");
+        testUnreflect(Example.class, true, void.class, "s0");
+        testUnreflect(Example.class, true, void.class, "pkg_s0");
+        testUnreflect(Example.class, true, void.class, "pri_s0");
+
+        testUnreflect(Example.class, true, Object.class, "s1", Object.class);
+        testUnreflect(Example.class, true, Object.class, "s2", int.class);
+        //testUnreflect(Example.class, true, Object.class, "s3", long.class);
+        //testUnreflect(Example.class, true, Object.class, "s4", int.class, int.class);
+        //testUnreflect(Example.class, true, Object.class, "s5", long.class, int.class);
+        //testUnreflect(Example.class, true, Object.class, "s6", int.class, long.class);
+
+        testUnreflect(Example.class, false, void.class, "v0");
+        testUnreflect(Example.class, false, void.class, "pkg_v0");
+        testUnreflect(Example.class, false, void.class, "pri_v0");
+        testUnreflect(Example.class, false, Object.class, "v1", Object.class);
+        testUnreflect(Example.class, false, Object.class, "v2", Object.class, Object.class);
+        testUnreflect(Example.class, false, Object.class, "v2", Object.class, int.class);
+        testUnreflect(Example.class, false, Object.class, "v2", int.class, Object.class);
+        testUnreflect(Example.class, false, Object.class, "v2", int.class, int.class);
+    }
+
+    void testUnreflect(Class<?> defc, boolean isStatic, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        for (Object[] ac : accessCases(defc, name)) {
+            testUnreflect((Boolean)ac[0], (Lookup)ac[1], defc, isStatic, ret, name, params);
+        }
+    }
+    void testUnreflect(boolean positive, Lookup lookup, Class<?> defc, boolean isStatic, Class<?> ret, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        MethodType type = MethodType.methodType(ret, params);
+        Method rmethod = null;
+        MethodHandle target = null;
+        RuntimeException noAccess = null;
+        try {
+            rmethod = defc.getDeclaredMethod(name, params);
+        } catch (NoSuchMethodException ex) {
+            throw new NoAccessException(ex);
+        }
+        assertEquals(isStatic, Modifier.isStatic(rmethod.getModifiers()));
+        try {
+            target = lookup.unreflect(rmethod);
+        } catch (NoAccessException ex) {
+            noAccess = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("unreflect "+defc+"."+name+"/"+type+" => "+target
+                    +(noAccess == null ? "" : " !! "+noAccess));
+        if (positive && noAccess != null)  throw noAccess;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        Class<?>[] paramsMaybeWithSelf = params;
+        if (!isStatic) {
+            paramsMaybeWithSelf = cat(array(Class[].class, (Class)defc), params);
+        }
+        MethodType typeMaybeWithSelf = MethodType.methodType(ret, paramsMaybeWithSelf);
+        MethodType ttype = target.type();
+        if (!isStatic)
+            ttype = ttype.changeParameterType(0, defc); // FIXME: test this
+        assertEquals(typeMaybeWithSelf, ttype);
+        Object[] argsMaybeWithSelf = randomArgs(paramsMaybeWithSelf);
+        printCalled(target, name, argsMaybeWithSelf);
+        target.invokeVarargs(argsMaybeWithSelf);
+        assertCalled(name, argsMaybeWithSelf);
+        System.out.print(':');
+    }
+
+    @Test @Ignore("unimplemented")
+    public void testUnreflectSpecial() throws Throwable {
+        Lookup lookup = PRIVATE;  // FIXME: test more lookups than this one
+        startTest("unreflectSpecial");
+        Method m = null;
+        MethodHandle expResult = null;
+        MethodHandle result = lookup.unreflectSpecial(m, Example.class);
+        assertEquals(expResult, result);
+        fail("The test case is a prototype.");
+    }
+
+    public static class HasFields {
+        boolean fZ = false;
+        byte fB = (byte)'B';
+        short fS = (short)'S';
+        char fC = 'C';
+        int fI = 'I';
+        long fJ = 'J';
+        float fF = 'F';
+        double fD = 'D';
+        static boolean sZ = true;
+        static byte sB = 1+(byte)'B';
+        static short sS = 1+(short)'S';
+        static char sC = 1+'C';
+        static int sI = 1+'I';
+        static long sJ = 1+'J';
+        static float sF = 1+'F';
+        static double sD = 1+'D';
+
+        Object fL = 'L';
+        String fR = "R";
+        static Object sL = 'M';
+        static String sR = "S";
+
+        static final Object[][] CASES;
+        static {
+            ArrayList<Object[]> cases = new ArrayList<Object[]>();
+            Object types[][] = {
+                {'L',Object.class}, {'R',String.class},
+                {'I',int.class}, {'J',long.class},
+                {'F',float.class}, {'D',double.class},
+                {'Z',boolean.class}, {'B',byte.class},
+                {'S',short.class}, {'C',char.class},
+            };
+            HasFields fields = new HasFields();
+            for (Object[] t : types) {
+                for (int kind = 0; kind <= 1; kind++) {
+                    boolean isStatic = (kind != 0);
+                    char btc = (Character)t[0];
+                    String name = (isStatic ? "s" : "f") + btc;
+                    Class<?> type = (Class<?>) t[1];
+                    Object value;
+                    Field field;
+                    try {
+                        field = HasFields.class.getDeclaredField(name);
+                    } catch (Exception ex) {
+                        throw new InternalError("no field HasFields."+name);
+                    }
+                    try {
+                        value = field.get(fields);
+                    } catch (Exception ex) {
+                        throw new InternalError("cannot fetch field HasFields."+name);
+                    }
+                    if (type == float.class) {
+                        float v = 'F';
+                        if (isStatic)  v++;
+                        assert(value.equals(v));
+                    }
+                    assert(name.equals(field.getName()));
+                    assert(type.equals(field.getType()));
+                    assert(isStatic == (Modifier.isStatic(field.getModifiers())));
+                    cases.add(new Object[]{ field, value });
+                }
+            }
+            CASES = cases.toArray(new Object[0][]);
+        }
+    }
+
+    @Test
+    public void testUnreflectGetter() throws Throwable {
+        Lookup lookup = PRIVATE;  // FIXME: test more lookups than this one
+        startTest("unreflectGetter");
+        for (Object[] c : HasFields.CASES) {
+            Field f = (Field)c[0];
+            Object value = c[1];
+            Class<?> type = f.getType();
+            if (type.isPrimitive() && type != int.class)
+                continue;  //FIXME
+            testUnreflectGetter(lookup, f, type, value);
+        }
+    }
+    public void testUnreflectGetter(MethodHandles.Lookup lookup,
+            Field f, Class<?> type, Object value) throws Throwable {
+        countTest(true);
+        boolean isStatic = Modifier.isStatic(f.getModifiers());
+        MethodType expType = MethodType.methodType(type, HasFields.class);
+        if (isStatic)  expType = expType.dropParameterTypes(0, 1);
+        MethodHandle mh = lookup.unreflectGetter(f);
+        assertSame(mh.type(), expType);
+        assertEquals(mh.toString(), f.getName());
+        HasFields fields = new HasFields();
+        Object sawValue;
+        Class<?> rtype = type;
+        if (type != int.class)  rtype = Object.class;
+        mh = MethodHandles.convertArguments(mh, mh.type().generic().changeReturnType(rtype));
+        Object expValue = value;
+        for (int i = 0; i <= 1; i++) {
+            if (isStatic) {
+                if (type == int.class)
+                    sawValue = mh.<int>invoke();  // do these exactly
+                else
+                    sawValue = mh.invoke();
+            } else {
+                if (type == int.class)
+                    sawValue = mh.<int>invoke((Object) fields);
+                else
+                    sawValue = mh.invoke((Object) fields);
+            }
+            assertEquals(sawValue, expValue);
+            Object random = randomArg(type);
+            f.set(fields, random);
+            expValue = random;
+        }
+        f.set(fields, value);  // put it back
+    }
+
+
+    @Test
+    public void testUnreflectSetter() throws Throwable {
+        Lookup lookup = PRIVATE;  // FIXME: test more lookups than this one
+        startTest("unreflectSetter");
+        for (Object[] c : HasFields.CASES) {
+            Field f = (Field)c[0];
+            Object value = c[1];
+            Class<?> type = f.getType();
+            if (type.isPrimitive() && type != int.class)
+                continue;  //FIXME
+            testUnreflectSetter(lookup, f, type, value);
+        }
+    }
+    public void testUnreflectSetter(MethodHandles.Lookup lookup,
+            Field f, Class<?> type, Object value) throws Throwable {
+        countTest(true);
+        boolean isStatic = Modifier.isStatic(f.getModifiers());
+        MethodType expType = MethodType.methodType(void.class, HasFields.class, type);
+        if (isStatic)  expType = expType.dropParameterTypes(0, 1);
+        MethodHandle mh = lookup.unreflectSetter(f);
+        assertSame(mh.type(), expType);
+        assertEquals(mh.toString(), f.getName());
+        HasFields fields = new HasFields();
+        Object sawValue;
+        Class<?> vtype = type;
+        if (type != int.class)  vtype = Object.class;
+        int last = mh.type().parameterCount() - 1;
+        mh = MethodHandles.convertArguments(mh, mh.type().generic().changeReturnType(void.class).changeParameterType(last, vtype));
+        assertEquals(f.get(fields), value);  // clean to start with
+        for (int i = 0; i <= 1; i++) {
+            Object putValue = randomArg(type);
+            if (isStatic) {
+                if (type == int.class)
+                    mh.<void>invoke((int)(Integer)putValue);  // do these exactly
+                else
+                    mh.<void>invoke(putValue);
+            } else {
+                if (type == int.class)
+                    mh.<void>invoke((Object) fields, (int)(Integer)putValue);
+                else
+                    mh.<void>invoke((Object) fields, putValue);
+            }
+            assertEquals(f.get(fields), putValue);
+        }
+        f.set(fields, value);  // put it back
+    }
+
+    @Test
+    public void testArrayElementGetter() throws Throwable {
+        startTest("arrayElementGetter");
+        testArrayElementGetterSetter(new Object[10], false);
+        testArrayElementGetterSetter(new String[10], false);
+        testArrayElementGetterSetter(new int[10], false);
+        // FIXME: Do the other primitive types.
+        //testArrayElementGetterSetter(new float[10], false);
+    }
+
+    @Test
+    public void testArrayElementSetter() throws Throwable {
+        startTest("arrayElementSetter");
+        testArrayElementGetterSetter(new Object[10], true);
+        testArrayElementGetterSetter(new String[10], true);
+        testArrayElementGetterSetter(new int[10], true);
+        // FIXME: Do the other primitive types.
+        //testArrayElementGetterSetter(new float[10], true);
+    }
+
+    public void testArrayElementGetterSetter(Object array, boolean testSetter) throws Throwable {
+        countTest(true);
+        Class<?> arrayType = array.getClass();
+        Class<?> elemType = arrayType.getComponentType();
+        MethodType expType = !testSetter
+                ? MethodType.methodType(elemType,   arrayType, int.class)
+                : MethodType.methodType(void.class, arrayType, int.class, elemType);
+        MethodHandle mh = !testSetter
+                ? MethodHandles.arrayElementGetter(arrayType)
+                : MethodHandles.arrayElementSetter(arrayType);
+        assertSame(mh.type(), expType);
+        //assertEquals(mh.toString(), f.getName());
+        Object sawValue, expValue;
+        List<Object> model = array2list(array);
+        int length = Array.getLength(array);
+        for (int i = 0; i < length; i++) {
+            // update array element
+            Object random = randomArg(elemType);
+            model.set(i, random);
+            if (testSetter) {
+                if (elemType == int.class)
+                    mh.<void>invoke((int[]) array, i, (int)(Integer)random);
+                else
+                    mh.invokeGeneric(array, i, random);
+                assertEquals(model, array2list(array));
+            } else {
+                Array.set(array, i, random);
+
+            }
+            // observe array element
+            sawValue = Array.get(array, i);
+            if (!testSetter) {
+                expValue = sawValue;
+                if (elemType == int.class)
+                    sawValue = mh.<int>invoke((int[]) array, i);
+                else
+                    sawValue = mh.invokeGeneric(array, i);
+                assertEquals(sawValue, expValue);
+                assertEquals(model, array2list(array));
+            }
+        }
+    }
+
+    List<Object> array2list(Object array) {
+        int length = Array.getLength(array);
+        ArrayList<Object> model = new ArrayList<Object>(length);
+        for (int i = 0; i < length; i++)
+            model.add(Array.get(array, i));
+        return model;
+    }
+
+    static class Callee {
+        static Object id() { return called("id"); }
+        static Object id(Object x) { return called("id", x); }
+        static Object id(Object x, Object y) { return called("id", x, y); }
+        static Object id(Object x, Object y, Object z) { return called("id", x, y, z); }
+        static Object id(Object... vx) { return called("id", vx); }
+        static MethodHandle ofType(int n) {
+            return ofType(Object.class, n);
+        }
+        static MethodHandle ofType(Class<?> rtype, int n) {
+            if (n == -1)
+                return ofType(MethodType.methodType(rtype, Object[].class));
+            return ofType(MethodType.genericMethodType(n).changeReturnType(rtype));
+        }
+        static MethodHandle ofType(Class<?> rtype, Class<?>... ptypes) {
+            return ofType(MethodType.methodType(rtype, ptypes));
+        }
+        static MethodHandle ofType(MethodType type) {
+            Class<?> rtype = type.returnType();
+            String pfx = "";
+            if (rtype != Object.class)
+                pfx = rtype.getSimpleName().substring(0, 1).toLowerCase();
+            String name = pfx+"id";
+            return PRIVATE.findStatic(Callee.class, name, type);
+        }
+    }
+
+    @Test
+    public void testConvertArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("convertArguments");
+        testConvert(Callee.ofType(1), null, "id", int.class);
+        testConvert(Callee.ofType(1), null, "id", String.class);
+        testConvert(Callee.ofType(1), null, "id", Integer.class);
+        testConvert(Callee.ofType(1), null, "id", short.class);
+    }
+
+    void testConvert(MethodHandle id, Class<?> rtype, String name, Class<?>... params) throws Throwable {
+        testConvert(true, id, rtype, name, params);
+    }
+
+    void testConvert(boolean positive, MethodHandle id, Class<?> rtype, String name, Class<?>... params) throws Throwable {
+        countTest(positive);
+        MethodType idType = id.type();
+        if (rtype == null)  rtype = idType.returnType();
+        for (int i = 0; i < params.length; i++) {
+            if (params[i] == null)  params[i] = idType.parameterType(i);
+        }
+        // simulate the pairwise conversion
+        MethodType newType = MethodType.methodType(rtype, params);
+        Object[] args = randomArgs(newType.parameterArray());
+        Object[] convArgs = args.clone();
+        for (int i = 0; i < args.length; i++) {
+            Class<?> src = newType.parameterType(i);
+            Class<?> dst = idType.parameterType(i);
+            if (src != dst)
+                convArgs[i] = castToWrapper(convArgs[i], dst);
+        }
+        Object convResult = id.invokeVarargs(convArgs);
+        {
+            Class<?> dst = newType.returnType();
+            Class<?> src = idType.returnType();
+            if (src != dst)
+                convResult = castToWrapper(convResult, dst);
+        }
+        MethodHandle target = null;
+        RuntimeException error = null;
+        try {
+            target = MethodHandles.convertArguments(id, newType);
+        } catch (RuntimeException ex) {
+            error = ex;
+        }
+        if (verbosity >= 2)
+            System.out.println("convert "+id+ " to "+newType+" => "+target
+                    +(error == null ? "" : " !! "+error));
+        if (positive && error != null)  throw error;
+        assertEquals(positive ? "positive test" : "negative test erroneously passed", positive, target != null);
+        if (!positive)  return; // negative test failed as expected
+        assertEquals(newType, target.type());
+        printCalled(target, id.toString(), args);
+        Object result = target.invokeVarargs(args);
+        assertCalled(name, convArgs);
+        assertEquals(convResult, result);
+        System.out.print(':');
+    }
+
+    @Test
+    public void testPermuteArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("permuteArguments");
+        testPermuteArguments(4, Integer.class,  2, String.class,  0);
+        //testPermuteArguments(6, Integer.class,  0, null,         30);
+        //testPermuteArguments(4, Integer.class,  1, int.class,     6);
+    }
+    public void testPermuteArguments(int max, Class<?> type1, int t2c, Class<?> type2, int dilution) throws Throwable {
+        if (verbosity >= 1)
+            System.out.println("permuteArguments "+max+"*"+type1.getName()
+                    +(t2c==0?"":"/"+t2c+"*"+type2.getName())
+                    +(dilution > 0 ? " with dilution "+dilution : ""));
+        int t2pos = t2c == 0 ? 0 : 1;
+        for (int inargs = t2pos+1; inargs <= max; inargs++) {
+            Class<?>[] types = new Class<?>[inargs];
+            Arrays.fill(types, type1);
+            if (t2c != 0) {
+                // Fill in a middle range with type2:
+                Arrays.fill(types, t2pos, Math.min(t2pos+t2c, inargs), type2);
+            }
+            Object[] args = randomArgs(types);
+            int numcases = 1;
+            for (int outargs = 0; outargs <= max; outargs++) {
+                if (outargs - inargs >= MAX_ARG_INCREASE)  continue;
+                int[] reorder = new int[outargs];
+                int casStep = dilution + 1;
+                // Avoid some common factors:
+                while ((casStep > 2 && casStep % 2 == 0 && inargs % 2 == 0) ||
+                       (casStep > 3 && casStep % 3 == 0 && inargs % 3 == 0))
+                    casStep++;
+                for (int cas = 0; cas < numcases; cas += casStep) {
+                    for (int i = 0, c = cas; i < outargs; i++) {
+                        reorder[i] = c % inargs;
+                        c /= inargs;
+                    }
+                    testPermuteArguments(args, types, reorder);
+                }
+                numcases *= inargs;
+                if (dilution > 10 && outargs >= 4) {
+                    // Do some special patterns, which we probably missed.
+                    // Replication of a single argument or argument pair.
+                    for (int i = 0; i < inargs; i++) {
+                        Arrays.fill(reorder, i);
+                        testPermuteArguments(args, types, reorder);
+                        for (int d = 1; d <= 2; d++) {
+                            if (i + d >= inargs)  continue;
+                            for (int j = 1; j < outargs; j += 2)
+                                reorder[j] += 1;
+                            testPermuteArguments(args, types, reorder);
+                            testPermuteArguments(args, types, reverse(reorder));
+                        }
+                    }
+                    // Repetition of a sequence of 3 or more arguments.
+                    for (int i = 1; i < inargs; i++) {
+                        for (int len = 3; len <= inargs; len++) {
+                            for (int j = 0; j < outargs; j++)
+                                reorder[j] = (i + (j % len)) % inargs;
+                            testPermuteArguments(args, types, reorder);
+                            testPermuteArguments(args, types, reverse(reorder));
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    static int[] reverse(int[] reorder) {
+        reorder = reorder.clone();
+        for (int i = 0, imax = reorder.length / 2; i < imax; i++) {
+            int j = reorder.length - 1 - i;
+            int tem = reorder[i];
+            reorder[i] = reorder[j];
+            reorder[j] = tem;
+        }
+        return reorder;
+    }
+
+    void testPermuteArguments(Object[] args, Class<?>[] types, int[] reorder) throws Throwable {
+        countTest();
+        if (args == null && types == null) {
+            int max = 0;
+            for (int j : reorder) {
+                if (max < j)  max = j;
+            }
+            args = randomArgs(max+1, Integer.class);
+        }
+        if (args == null) {
+            args = randomArgs(types);
+        }
+        if (types == null) {
+            types = new Class<?>[args.length];
+            for (int i = 0; i < args.length; i++)
+                types[i] = args[i].getClass();
+        }
+        int inargs = args.length, outargs = reorder.length;
+        assert(inargs == types.length);
+        if (verbosity >= 2)
+            System.out.println("permuteArguments "+Arrays.toString(reorder));
+        Object[] permArgs = new Object[outargs];
+        Class<?>[] permTypes = new Class<?>[outargs];
+        for (int i = 0; i < outargs; i++) {
+            permArgs[i] = args[reorder[i]];
+            permTypes[i] = types[reorder[i]];
+        }
+        if (verbosity >= 3) {
+            System.out.println("in args:   "+Arrays.asList(args));
+            System.out.println("out args:  "+Arrays.asList(permArgs));
+            System.out.println("in types:  "+Arrays.asList(types));
+            System.out.println("out types: "+Arrays.asList(permTypes));
+        }
+        MethodType inType  = MethodType.methodType(Object.class, types);
+        MethodType outType = MethodType.methodType(Object.class, permTypes);
+        MethodHandle target = MethodHandles.convertArguments(ValueConversions.varargsList(outargs), outType);
+        MethodHandle newTarget = MethodHandles.permuteArguments(target, inType, reorder);
+        Object result = newTarget.invokeVarargs(args);
+        Object expected = Arrays.asList(permArgs);
+        assertEquals(expected, result);
+    }
+
+
+    @Test
+    public void testSpreadArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("spreadArguments");
+        for (Class<?> argType : new Class[]{Object.class, Integer.class, int.class}) {
+            if (verbosity >= 2)
+                System.out.println("spreadArguments "+argType);
+            for (int nargs = 0; nargs < 10; nargs++) {
+                if (argType == int.class && nargs >= 6)  continue; // FIXME Fail_1
+                for (int pos = 0; pos < nargs; pos++) {
+                    if (argType == int.class && pos > 0)  continue; // FIXME Fail_3
+                    testSpreadArguments(argType, pos, nargs);
+                }
+            }
+        }
+    }
+    public void testSpreadArguments(Class<?> argType, int pos, int nargs) throws Throwable {
+        countTest();
+        MethodHandle target = ValueConversions.varargsArray(nargs);
+        MethodHandle target2 = changeArgTypes(target, argType);
+        if (verbosity >= 2)
+            System.out.println("spread into "+target2+" ["+pos+".."+nargs+"]");
+        Object[] args = randomArgs(target2.type().parameterArray());
+        // make sure the target does what we think it does:
+        if (pos == 0 && nargs < 5) {
+            Object[] check = (Object[]) target.invokeVarargs(args);
+            assertArrayEquals(args, check);
+            switch (nargs) {
+                case 0:
+                    check = target.<Object[]>invoke();
+                    assertArrayEquals(args, check);
+                    break;
+                case 1:
+                    check = target.<Object[]>invoke(args[0]);
+                    assertArrayEquals(args, check);
+                    break;
+                case 2:
+                    check = target.<Object[]>invoke(args[0], args[1]);
+                    assertArrayEquals(args, check);
+                    break;
+            }
+        }
+        List<Class<?>> newParams = new ArrayList<Class<?>>(target2.type().parameterList());
+        {   // modify newParams in place
+            List<Class<?>> spreadParams = newParams.subList(pos, nargs);
+            spreadParams.clear(); spreadParams.add(Object[].class);
+        }
+        MethodType newType = MethodType.methodType(Object.class, newParams);
+        MethodHandle result = MethodHandles.spreadArguments(target2, newType);
+        Object[] returnValue;
+        if (pos == 0) {
+            returnValue = (Object[]) result.invoke(args);
+        } else {
+            Object[] args1 = Arrays.copyOfRange(args, 0, pos+1);
+            args1[pos] = Arrays.copyOfRange(args, pos, args.length);
+            returnValue = (Object[]) result.invokeVarargs(args1);
+        }
+        assertArrayEquals(args, returnValue);
+    }
+
+    @Test
+    public void testCollectArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("collectArguments");
+        for (Class<?> argType : new Class[]{Object.class, Integer.class, int.class}) {
+            if (verbosity >= 2)
+                System.out.println("collectArguments "+argType);
+            for (int nargs = 0; nargs < 10; nargs++) {
+                for (int pos = 0; pos < nargs; pos++) {
+                    if (argType == int.class)  continue; // FIXME Fail_4
+                    testCollectArguments(argType, pos, nargs);
+                }
+            }
+        }
+    }
+    public void testCollectArguments(Class<?> argType, int pos, int nargs) throws Throwable {
+        countTest();
+        // fake up a MH with the same type as the desired adapter:
+        MethodHandle fake = ValueConversions.varargsArray(nargs);
+        fake = changeArgTypes(fake, argType);
+        MethodType newType = fake.type();
+        Object[] args = randomArgs(newType.parameterArray());
+        // here is what should happen:
+        Object[] collectedArgs = Arrays.copyOfRange(args, 0, pos+1);
+        collectedArgs[pos] = Arrays.copyOfRange(args, pos, args.length);
+        // here is the MH which will witness the collected argument tail:
+        MethodHandle target = ValueConversions.varargsArray(pos+1);
+        target = changeArgTypes(target, 0, pos, argType);
+        target = changeArgTypes(target, pos, pos+1, Object[].class);
+        if (verbosity >= 2)
+            System.out.println("collect from "+Arrays.asList(args)+" ["+pos+".."+nargs+"]");
+        MethodHandle result = MethodHandles.collectArguments(target, newType);
+        Object[] returnValue = (Object[]) result.invokeVarargs(args);
+//        assertTrue(returnValue.length == pos+1 && returnValue[pos] instanceof Object[]);
+//        returnValue[pos] = Arrays.asList((Object[]) returnValue[pos]);
+//        collectedArgs[pos] = Arrays.asList((Object[]) collectedArgs[pos]);
+        assertArrayEquals(collectedArgs, returnValue);
+    }
+
+    @Test
+    public void testInsertArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("insertArguments");
+        for (int nargs = 0; nargs <= 4; nargs++) {
+            for (int ins = 0; ins <= 4; ins++) {
+                if (ins > MAX_ARG_INCREASE)  continue;  // FIXME Fail_6
+                for (int pos = 0; pos <= nargs; pos++) {
+                    testInsertArguments(nargs, pos, ins);
+                }
+            }
+        }
+    }
+
+    void testInsertArguments(int nargs, int pos, int ins) throws Throwable {
+        countTest();
+        MethodHandle target = ValueConversions.varargsArray(nargs + ins);
+        Object[] args = randomArgs(target.type().parameterArray());
+        List<Object> resList = Arrays.asList(args);
+        List<Object> argsToPass = new ArrayList<Object>(resList);
+        List<Object> argsToInsert = argsToPass.subList(pos, pos + ins);
+        if (verbosity >= 2)
+            System.out.println("insert: "+argsToInsert+" into "+target);
+        MethodHandle target2 = MethodHandles.insertArguments(target, pos,
+                (Object[]) argsToInsert.toArray());
+        argsToInsert.clear();  // remove from argsToInsert
+        Object res2 = target2.invokeVarargs(argsToPass);
+        Object res2List = Arrays.asList((Object[])res2);
+        if (verbosity >= 2)
+            System.out.println("result: "+res2List);
+        //if (!resList.equals(res2List))
+        //    System.out.println("*** fail at n/p/i = "+nargs+"/"+pos+"/"+ins+": "+resList+" => "+res2List);
+        assertEquals(resList, res2List);
+    }
+
+    @Test
+    public void testFilterArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("filterArguments");
+        for (int nargs = 1; nargs <= 6; nargs++) {
+            for (int pos = 0; pos < nargs; pos++) {
+                testFilterArguments(nargs, pos);
+            }
+        }
+    }
+
+    void testFilterArguments(int nargs, int pos) throws Throwable {
+        countTest();
+        MethodHandle target = ValueConversions.varargsList(nargs);
+        MethodHandle filter = ValueConversions.varargsList(1);
+        filter = MethodHandles.convertArguments(filter, filter.type().generic());
+        Object[] argsToPass = randomArgs(nargs, Object.class);
+        if (verbosity >= 2)
+            System.out.println("filter "+target+" at "+pos+" with "+filter);
+        MethodHandle[] filters = new MethodHandle[pos*2+1];
+        filters[pos] = filter;
+        MethodHandle target2 = MethodHandles.filterArguments(target, filters);
+        // Simulate expected effect of filter on arglist:
+        Object[] filteredArgs = argsToPass.clone();
+        filteredArgs[pos] = filter.invoke(filteredArgs[pos]);
+        List<Object> expected = Arrays.asList(filteredArgs);
+        Object result = target2.invokeVarargs(argsToPass);
+        if (verbosity >= 2)
+            System.out.println("result: "+result);
+        if (!expected.equals(result))
+            System.out.println("*** fail at n/p = "+nargs+"/"+pos+": "+argsToPass+" => "+result);
+        assertEquals(expected, result);
+    }
+
+    @Test
+    public void testFoldArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("foldArguments");
+        for (int nargs = 0; nargs <= 4; nargs++) {
+            for (int fold = 0; fold <= nargs; fold++) {
+                for (int pos = 0; pos <= nargs; pos++) {
+                    testFoldArguments(nargs, pos, fold);
+                }
+            }
+        }
+    }
+
+    void testFoldArguments(int nargs, int pos, int fold) throws Throwable {
+        if (pos != 0)  return;  // can fold only at pos=0 for now
+        countTest();
+        MethodHandle target = ValueConversions.varargsList(1 + nargs);
+        MethodHandle combine = ValueConversions.varargsList(fold);
+        List<Object> argsToPass = Arrays.asList(randomArgs(nargs, Object.class));
+        if (verbosity >= 2)
+            System.out.println("fold "+target+" with "+combine);
+        MethodHandle target2 = MethodHandles.foldArguments(target, combine);
+        // Simulate expected effect of combiner on arglist:
+        List<Object> expected = new ArrayList<Object>(argsToPass);
+        List<Object> argsToFold = expected.subList(pos, pos + fold);
+        if (verbosity >= 2)
+            System.out.println("fold: "+argsToFold+" into "+target2);
+        Object foldedArgs = combine.invokeVarargs(argsToFold);
+        argsToFold.add(0, foldedArgs);
+        Object result = target2.invokeVarargs(argsToPass);
+        if (verbosity >= 2)
+            System.out.println("result: "+result);
+        if (!expected.equals(result))
+            System.out.println("*** fail at n/p/f = "+nargs+"/"+pos+"/"+fold+": "+argsToPass+" => "+result);
+        assertEquals(expected, result);
+    }
+
+    @Test
+    public void testDropArguments() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("dropArguments");
+        for (int nargs = 0; nargs <= 4; nargs++) {
+            for (int drop = 1; drop <= 4; drop++) {
+                for (int pos = 0; pos <= nargs; pos++) {
+                    testDropArguments(nargs, pos, drop);
+                }
+            }
+        }
+    }
+
+    void testDropArguments(int nargs, int pos, int drop) throws Throwable {
+        countTest();
+        MethodHandle target = ValueConversions.varargsArray(nargs);
+        Object[] args = randomArgs(target.type().parameterArray());
+        MethodHandle target2 = MethodHandles.dropArguments(target, pos,
+                Collections.nCopies(drop, Object.class).toArray(new Class[0]));
+        List<Object> resList = Arrays.asList(args);
+        List<Object> argsToDrop = new ArrayList<Object>(resList);
+        for (int i = drop; i > 0; i--) {
+            argsToDrop.add(pos, "blort#"+i);
+        }
+        Object res2 = target2.invokeVarargs(argsToDrop);
+        Object res2List = Arrays.asList((Object[])res2);
+        //if (!resList.equals(res2List))
+        //    System.out.println("*** fail at n/p/d = "+nargs+"/"+pos+"/"+drop+": "+argsToDrop+" => "+res2List);
+        assertEquals(resList, res2List);
+    }
+
+    @Test
+    public void testInvokers() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("exactInvoker, genericInvoker, varargsInvoker, dynamicInvoker");
+        // exactInvoker, genericInvoker, varargsInvoker[0..N], dynamicInvoker
+        Set<MethodType> done = new HashSet<MethodType>();
+        for (int i = 0; i <= 6; i++) {
+            MethodType gtype = MethodType.genericMethodType(i);
+            for (Class<?> argType : new Class[]{Object.class, Integer.class, int.class}) {
+                for (int j = -1; j < i; j++) {
+                    MethodType type = gtype;
+                    if (j < 0)
+                        type = type.changeReturnType(argType);
+                    else if (argType == void.class)
+                        continue;
+                    else
+                        type = type.changeParameterType(j, argType);
+                    if (argType.isPrimitive() && j != i-1)  continue; // FIXME Fail_5
+                    if (done.add(type))
+                        testInvokers(type);
+                    MethodType vtype = type.changeReturnType(void.class);
+                    if (done.add(vtype))
+                        testInvokers(vtype);
+                }
+            }
+        }
+    }
+
+    public void testInvokers(MethodType type) throws Throwable {
+        if (verbosity >= 2)
+            System.out.println("test invokers for "+type);
+        int nargs = type.parameterCount();
+        boolean testRetCode = type.returnType() != void.class;
+        MethodHandle target = PRIVATE.findStatic(MethodHandlesTest.class, "invokee",
+                                MethodType.genericMethodType(0, true));
+        target = MethodHandles.collectArguments(target, type);
+        Object[] args = randomArgs(type.parameterArray());
+        List<Object> targetPlusArgs = new ArrayList<Object>(Arrays.asList(args));
+        targetPlusArgs.add(0, target);
+        int code = (Integer) invokee(args);
+        Object log = logEntry("invokee", args);
+        assertEquals(log.hashCode(), code);
+        assertCalled("invokee", args);
+        MethodHandle inv;
+        Object result;
+        // exact invoker
+        countTest();
+        calledLog.clear();
+        inv = MethodHandles.exactInvoker(type);
+        result = inv.invokeVarargs(targetPlusArgs);
+        if (testRetCode)  assertEquals(code, result);
+        assertCalled("invokee", args);
+        // generic invoker
+        countTest();
+        inv = MethodHandles.genericInvoker(type);
+        if (nargs <= 3) {
+            calledLog.clear();
+            switch (nargs) {
+            case 0:
+                result = inv.invoke(target);
+                break;
+            case 1:
+                result = inv.invoke(target, args[0]);
+                break;
+            case 2:
+                result = inv.invoke(target, args[0], args[1]);
+                break;
+            case 3:
+                result = inv.invoke(target, args[0], args[1], args[2]);
+                break;
+            }
+            if (testRetCode)  assertEquals(code, result);
+            assertCalled("invokee", args);
+        }
+        calledLog.clear();
+        result = inv.invokeVarargs(targetPlusArgs);
+        if (testRetCode)  assertEquals(code, result);
+        assertCalled("invokee", args);
+        // varargs invoker #0
+        calledLog.clear();
+        inv = MethodHandles.varargsInvoker(type, 0);
+        result = inv.invoke(target, args);
+        if (testRetCode)  assertEquals(code, result);
+        assertCalled("invokee", args);
+        if (nargs >= 1) {
+            // varargs invoker #1
+            calledLog.clear();
+            inv = MethodHandles.varargsInvoker(type, 1);
+            result = inv.invoke(target, args[0], Arrays.copyOfRange(args, 1, nargs));
+            if (testRetCode)  assertEquals(code, result);
+            assertCalled("invokee", args);
+        }
+        if (nargs >= 2) {
+            // varargs invoker #2
+            calledLog.clear();
+            inv = MethodHandles.varargsInvoker(type, 2);
+            result = inv.invoke(target, args[0], args[1], Arrays.copyOfRange(args, 2, nargs));
+            if (testRetCode)  assertEquals(code, result);
+            assertCalled("invokee", args);
+        }
+        if (nargs >= 3) {
+            // varargs invoker #3
+            calledLog.clear();
+            inv = MethodHandles.varargsInvoker(type, 3);
+            result = inv.invoke(target, args[0], args[1], args[2], Arrays.copyOfRange(args, 3, nargs));
+            if (testRetCode)  assertEquals(code, result);
+            assertCalled("invokee", args);
+        }
+        for (int k = 0; k <= nargs; k++) {
+            // varargs invoker #0..N
+            countTest();
+            calledLog.clear();
+            inv = MethodHandles.varargsInvoker(type, k);
+            List<Object> targetPlusVarArgs = new ArrayList<Object>(targetPlusArgs);
+            List<Object> tailList = targetPlusVarArgs.subList(1+k, 1+nargs);
+            Object[] tail = tailList.toArray();
+            tailList.clear(); tailList.add(tail);
+            result = inv.invokeVarargs(targetPlusVarArgs);
+            if (testRetCode)  assertEquals(code, result);
+            assertCalled("invokee", args);
+        }
+        // dynamic invoker
+        countTest();
+        CallSite site = new CallSite(MethodHandlesTest.class, "foo", type);
+        inv = MethodHandles.dynamicInvoker(site);
+        site.setTarget(target);
+        calledLog.clear();
+        result = inv.invokeVarargs(args);
+        if (testRetCode)  assertEquals(code, result);
+        assertCalled("invokee", args);
+    }
+
+    static Object invokee(Object... args) {
+        return called("invokee", args).hashCode();
+    }
+
+    private static final String MISSING_ARG = "missingArg";
+    static Object targetIfEquals() {
+        return called("targetIfEquals");
+    }
+    static Object fallbackIfNotEquals() {
+        return called("fallbackIfNotEquals");
+    }
+    static Object targetIfEquals(Object x) {
+        assertEquals(x, MISSING_ARG);
+        return called("targetIfEquals", x);
+    }
+    static Object fallbackIfNotEquals(Object x) {
+        assertFalse(x.toString(), x.equals(MISSING_ARG));
+        return called("fallbackIfNotEquals", x);
+    }
+    static Object targetIfEquals(Object x, Object y) {
+        assertEquals(x, y);
+        return called("targetIfEquals", x, y);
+    }
+    static Object fallbackIfNotEquals(Object x, Object y) {
+        assertFalse(x.toString(), x.equals(y));
+        return called("fallbackIfNotEquals", x, y);
+    }
+    static Object targetIfEquals(Object x, Object y, Object z) {
+        assertEquals(x, y);
+        return called("targetIfEquals", x, y, z);
+    }
+    static Object fallbackIfNotEquals(Object x, Object y, Object z) {
+        assertFalse(x.toString(), x.equals(y));
+        return called("fallbackIfNotEquals", x, y, z);
+    }
+
+    @Test
+    public void testGuardWithTest() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("guardWithTest");
+        for (int nargs = 0; nargs <= 3; nargs++) {
+            if (nargs != 2)  continue;  // FIXME: test more later
+            testGuardWithTest(nargs, Object.class);
+            testGuardWithTest(nargs, String.class);
+        }
+    }
+    void testGuardWithTest(int nargs, Class<?> argClass) throws Throwable {
+        countTest();
+        MethodHandle test = PRIVATE.findVirtual(Object.class, "equals", MethodType.methodType(boolean.class, Object.class));
+        MethodHandle target = PRIVATE.findStatic(MethodHandlesTest.class, "targetIfEquals", MethodType.genericMethodType(nargs));
+        MethodHandle fallback = PRIVATE.findStatic(MethodHandlesTest.class, "fallbackIfNotEquals", MethodType.genericMethodType(nargs));
+        while (test.type().parameterCount() < nargs)
+            test = MethodHandles.dropArguments(test, test.type().parameterCount()-1, Object.class);
+        while (test.type().parameterCount() > nargs)
+            test = MethodHandles.insertArguments(test, 0, MISSING_ARG);
+        if (argClass != Object.class) {
+            test = changeArgTypes(test, argClass);
+            target = changeArgTypes(target, argClass);
+            fallback = changeArgTypes(fallback, argClass);
+        }
+        MethodHandle mh = MethodHandles.guardWithTest(test, target, fallback);
+        assertEquals(target.type(), mh.type());
+        Object[][] argLists = {
+            { },
+            { "foo" }, { MISSING_ARG },
+            { "foo", "foo" }, { "foo", "bar" },
+            { "foo", "foo", "baz" }, { "foo", "bar", "baz" }
+        };
+        for (Object[] argList : argLists) {
+            if (argList.length != nargs)  continue;
+            boolean equals;
+            switch (nargs) {
+            case 0:   equals = true; break;
+            case 1:   equals = MISSING_ARG.equals(argList[0]); break;
+            default:  equals = argList[0].equals(argList[1]); break;
+            }
+            String willCall = (equals ? "targetIfEquals" : "fallbackIfNotEquals");
+            if (verbosity >= 2)
+                System.out.println(logEntry(willCall, argList));
+            Object result = mh.invokeVarargs(argList);
+            assertCalled(willCall, argList);
+        }
+    }
+
+    @Test
+    public void testCatchException() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("catchException");
+        for (int nargs = 2; nargs <= 6; nargs++) {
+            for (int ti = 0; ti <= 1; ti++) {
+                boolean throwIt = (ti != 0);
+                testCatchException(int.class, new ClassCastException("testing"), throwIt, nargs);
+                testCatchException(void.class, new java.io.IOException("testing"), throwIt, nargs);
+                testCatchException(String.class, new LinkageError("testing"), throwIt, nargs);
+            }
+        }
+    }
+
+    private static <T extends Throwable>
+    Object throwOrReturn(Object normal, T exception) throws T {
+        if (exception != null)  throw exception;
+        return normal;
+    }
+
+    void testCatchException(Class<?> returnType, Throwable thrown, boolean throwIt, int nargs) throws Throwable {
+        countTest();
+        if (verbosity >= 2)
+            System.out.println("catchException rt="+returnType+" throw="+throwIt+" nargs="+nargs);
+        Class<? extends Throwable> exType = thrown.getClass();
+        MethodHandle throwOrReturn
+                = PRIVATE.findStatic(MethodHandlesTest.class, "throwOrReturn",
+                    MethodType.methodType(Object.class, Object.class, Throwable.class));
+        MethodHandle thrower = throwOrReturn;
+        while (thrower.type().parameterCount() < nargs)
+            thrower = MethodHandles.dropArguments(thrower, thrower.type().parameterCount(), Object.class);
+        MethodHandle target = MethodHandles.catchException(thrower,
+                thrown.getClass(), ValueConversions.varargsList(1+nargs));
+        assertEquals(thrower.type(), target.type());
+        //System.out.println("catching with "+target+" : "+throwOrReturn);
+        Object[] args = randomArgs(nargs, Object.class);
+        args[1] = (throwIt ? thrown : null);
+        Object returned = target.invokeVarargs(args);
+        //System.out.println("return from "+target+" : "+returned);
+        if (!throwIt) {
+            assertSame(args[0], returned);
+        } else {
+            List<Object> catchArgs = new ArrayList<Object>(Arrays.asList(args));
+            catchArgs.add(0, thrown);
+            assertEquals(catchArgs, returned);
+        }
+    }
+
+    @Test
+    public void testThrowException() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("throwException");
+        testThrowException(int.class, new ClassCastException("testing"));
+        testThrowException(void.class, new java.io.IOException("testing"));
+        testThrowException(String.class, new LinkageError("testing"));
+    }
+
+    void testThrowException(Class<?> returnType, Throwable thrown) throws Throwable {
+        countTest();
+        Class<? extends Throwable> exType = thrown.getClass();
+        MethodHandle target = MethodHandles.throwException(returnType, exType);
+        //System.out.println("throwing with "+target+" : "+thrown);
+        MethodType expectedType = MethodType.methodType(returnType, exType);
+        assertEquals(expectedType, target.type());
+        Throwable caught = null;
+        try {
+            Object res = target.invokeGeneric(thrown);
+            fail("got "+res+" instead of throwing "+thrown);
+        } catch (Throwable ex) {
+            if (ex != thrown) {
+                if (ex instanceof Error)  throw (Error)ex;
+                if (ex instanceof RuntimeException)  throw (RuntimeException)ex;
+            }
+            caught = ex;
+        }
+        assertSame(thrown, caught);
+    }
+
+    @Test
+    public void testCastFailure() throws Throwable {
+        if (CAN_SKIP_WORKING)  return;
+        startTest("testCastFailure");
+        testCastFailure("cast/argument", 11000);
+        testCastFailure("unbox/argument", 11000);
+        testCastFailure("cast/return", 11000);
+        testCastFailure("unbox/return", 11000);
+    }
+
+    static class Surprise extends JavaMethodHandle {
+        Surprise() { super("value"); }
+        Object value(Object x) {
+            trace("value", x);
+            if (boo != null)  return boo;
+            return x;
+        }
+        Object boo;
+        void boo(Object x) { boo = x; }
+
+        static void trace(String x, Object y) {
+            if (verbosity > 8) System.out.println(x+"="+y);
+        }
+        static Object  refIdentity(Object x)  { trace("ref.x", x); return x; }
+        static Integer boxIdentity(Integer x) { trace("box.x", x); return x; }
+        static int     intIdentity(int x)     { trace("int.x", x); return x; }
+        static MethodHandle REF_IDENTITY = PRIVATE.findStatic(
+                Surprise.class, "refIdentity",
+                    MethodType.methodType(Object.class, Object.class));
+        static MethodHandle BOX_IDENTITY = PRIVATE.findStatic(
+                Surprise.class, "boxIdentity",
+                    MethodType.methodType(Integer.class, Integer.class));
+        static MethodHandle INT_IDENTITY = PRIVATE.findStatic(
+                Surprise.class, "intIdentity",
+                    MethodType.methodType(int.class, int.class));
+    }
+
+    void testCastFailure(String mode, int okCount) throws Throwable {
+        countTest(false);
+        if (verbosity > 1)  System.out.println("mode="+mode);
+        Surprise boo = new Surprise();
+        MethodHandle identity = Surprise.REF_IDENTITY, surprise = boo;
+        if (mode.endsWith("/return")) {
+            if (mode.equals("unbox/return")) {
+                // fail on return to ((Integer)surprise).intValue
+                surprise = MethodHandles.convertArguments(surprise, MethodType.methodType(int.class, Object.class));
+                identity = MethodHandles.convertArguments(identity, MethodType.methodType(int.class, Object.class));
+            } else if (mode.equals("cast/return")) {
+                // fail on return to (Integer)surprise
+                surprise = MethodHandles.convertArguments(surprise, MethodType.methodType(Integer.class, Object.class));
+                identity = MethodHandles.convertArguments(identity, MethodType.methodType(Integer.class, Object.class));
+            }
+        } else if (mode.endsWith("/argument")) {
+            MethodHandle callee = null;
+            if (mode.equals("unbox/argument")) {
+                // fail on handing surprise to int argument
+                callee = Surprise.INT_IDENTITY;
+            } else if (mode.equals("cast/argument")) {
+                // fail on handing surprise to Integer argument
+                callee = Surprise.BOX_IDENTITY;
+            }
+            if (callee != null) {
+                callee = MethodHandles.convertArguments(callee, MethodType.genericMethodType(1));
+                surprise = MethodHandles.filterArguments(callee, surprise);
+                identity = MethodHandles.filterArguments(callee, identity);
+            }
+        }
+        assertNotSame(mode, surprise, boo);
+        identity = MethodHandles.convertArguments(identity, MethodType.genericMethodType(1));
+        surprise = MethodHandles.convertArguments(surprise, MethodType.genericMethodType(1));
+        Object x = 42;
+        for (int i = 0; i < okCount; i++) {
+            Object y = identity.invoke(x);
+            assertEquals(x, y);
+            Object z = surprise.invoke(x);
+            assertEquals(x, z);
+        }
+        boo.boo("Boo!");
+        Object y = identity.invoke(x);
+        assertEquals(x, y);
+        try {
+            Object z = surprise.invoke(x);
+            System.out.println("Failed to throw; got z="+z);
+            assertTrue(false);
+        } catch (Exception ex) {
+            if (verbosity > 1)
+                System.out.println("caught "+ex);
+            if (verbosity > 2)
+                ex.printStackTrace();
+            assertTrue(ex instanceof ClassCastException
+                    // FIXME: accept only one of the two for any given unit test
+                    || ex instanceof WrongMethodTypeException
+                    );
+        }
+    }
+
+}
+// Local abbreviated copy of sun.dyn.util.ValueConversions
+class ValueConversions {
+    private static final Lookup IMPL_LOOKUP = MethodHandles.lookup();
+    private static final Object[] NO_ARGS_ARRAY = {};
+    private static Object[] makeArray(Object... args) { return args; }
+    private static Object[] array() { return NO_ARGS_ARRAY; }
+    private static Object[] array(Object a0)
+                { return makeArray(a0); }
+    private static Object[] array(Object a0, Object a1)
+                { return makeArray(a0, a1); }
+    private static Object[] array(Object a0, Object a1, Object a2)
+                { return makeArray(a0, a1, a2); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3)
+                { return makeArray(a0, a1, a2, a3); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4)
+                { return makeArray(a0, a1, a2, a3, a4); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5)
+                { return makeArray(a0, a1, a2, a3, a4, a5); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7,
+                                  Object a8)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+    private static Object[] array(Object a0, Object a1, Object a2, Object a3,
+                                  Object a4, Object a5, Object a6, Object a7,
+                                  Object a8, Object a9)
+                { return makeArray(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+    static MethodHandle[] makeArrays() {
+        ArrayList<MethodHandle> arrays = new ArrayList<MethodHandle>();
+        MethodHandles.Lookup lookup = IMPL_LOOKUP;
+        for (;;) {
+            int nargs = arrays.size();
+            MethodType type = MethodType.genericMethodType(nargs).changeReturnType(Object[].class);
+            String name = "array";
+            MethodHandle array = null;
+            try {
+                array = lookup.findStatic(ValueConversions.class, name, type);
+            } catch (NoAccessException ex) {
+            }
+            if (array == null)  break;
+            arrays.add(array);
+        }
+        assert(arrays.size() == 11);  // current number of methods
+        return arrays.toArray(new MethodHandle[0]);
+    }
+    static final MethodHandle[] ARRAYS = makeArrays();
+
+    /** Return a method handle that takes the indicated number of Object
+     *  arguments and returns an Object array of them, as if for varargs.
+     */
+    public static MethodHandle varargsArray(int nargs) {
+        if (nargs < ARRAYS.length)
+            return ARRAYS[nargs];
+        // else need to spin bytecode or do something else fancy
+        throw new UnsupportedOperationException("NYI");
+    }
+
+    private static final List<Object> NO_ARGS_LIST = Arrays.asList(NO_ARGS_ARRAY);
+    private static List<Object> makeList(Object... args) { return Arrays.asList(args); }
+    private static List<Object> list() { return NO_ARGS_LIST; }
+    private static List<Object> list(Object a0)
+                { return makeList(a0); }
+    private static List<Object> list(Object a0, Object a1)
+                { return makeList(a0, a1); }
+    private static List<Object> list(Object a0, Object a1, Object a2)
+                { return makeList(a0, a1, a2); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3)
+                { return makeList(a0, a1, a2, a3); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4)
+                { return makeList(a0, a1, a2, a3, a4); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5)
+                { return makeList(a0, a1, a2, a3, a4, a5); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7,
+                                     Object a8)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7, a8); }
+    private static List<Object> list(Object a0, Object a1, Object a2, Object a3,
+                                     Object a4, Object a5, Object a6, Object a7,
+                                     Object a8, Object a9)
+                { return makeList(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9); }
+    static MethodHandle[] makeLists() {
+        ArrayList<MethodHandle> arrays = new ArrayList<MethodHandle>();
+        MethodHandles.Lookup lookup = IMPL_LOOKUP;
+        for (;;) {
+            int nargs = arrays.size();
+            MethodType type = MethodType.genericMethodType(nargs).changeReturnType(List.class);
+            String name = "list";
+            MethodHandle array = null;
+            try {
+                array = lookup.findStatic(ValueConversions.class, name, type);
+            } catch (NoAccessException ex) {
+            }
+            if (array == null)  break;
+            arrays.add(array);
+        }
+        assert(arrays.size() == 11);  // current number of methods
+        return arrays.toArray(new MethodHandle[0]);
+    }
+    static final MethodHandle[] LISTS = makeLists();
+
+    /** Return a method handle that takes the indicated number of Object
+     *  arguments and returns List.
+     */
+    public static MethodHandle varargsList(int nargs) {
+        if (nargs < LISTS.length)
+            return LISTS[nargs];
+        // else need to spin bytecode or do something else fancy
+        throw new UnsupportedOperationException("NYI");
+    }
+}
+// This guy tests access from outside the same package member, but inside
+// the package itself.
+class PackageSibling {
+    static Lookup lookup() {
+        return MethodHandles.lookup();
+    }
+}