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提交 c2de1264 编写于 作者: L lana
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nashorn/make/BuildNashorn.gmk
浏览文件 @ c2de1264
......@@ -77,7 +77,7 @@ $(NASHORN_OUTPUTDIR)/classes/_the.nasgen.run: $(BUILD_NASGEN)
$(RM) -rf $(@D)/jdk $(@D)/netscape
$(CP) -R -p $(NASHORN_OUTPUTDIR)/nashorn_classes/* $(@D)/
$(FIXPATH) $(JAVA) \
-cp "$(NASHORN_OUTPUTDIR)/nasgen_classes$(PATH_SEP)$(NASHORN_OUTPUTDIR)/nashorn_classes" \
-Xbootclasspath/p:"$(NASHORN_OUTPUTDIR)/nasgen_classes$(PATH_SEP)$(NASHORN_OUTPUTDIR)/nashorn_classes" \
jdk.nashorn.internal.tools.nasgen.Main $(@D) jdk.nashorn.internal.objects $(@D)
$(TOUCH) $@
......
nashorn/make/build.xml
浏览文件 @ c2de1264
......@@ -125,6 +125,7 @@
<compilerarg value="-Xlint:unchecked"/>
<compilerarg value="-Xlint:deprecation"/>
<compilerarg value="-XDignore.symbol.file"/>
<compilerarg value="-Xdiags:verbose"/>
</javac>
<copy todir="${build.classes.dir}/META-INF/services">
<fileset dir="${meta.inf.dir}/services/"/>
......@@ -243,6 +244,7 @@
<compilerarg value="-J-Djava.ext.dirs="/>
<compilerarg value="-Xlint:unchecked"/>
<compilerarg value="-Xlint:deprecation"/>
<compilerarg value="-Xdiags:verbose"/>
</javac>
<copy todir="${build.test.classes.dir}/META-INF/services">
......@@ -253,6 +255,10 @@
<fileset dir="${test.src.dir}/jdk/nashorn/internal/runtime/resources"/>
</copy>
<copy todir="${build.test.classes.dir}/jdk/nashorn/api/scripting/resources">
<fileset dir="${test.src.dir}/jdk/nashorn/api/scripting/resources"/>
</copy>
<!-- tests that check nashorn internals and internal API -->
<jar jarfile="${nashorn.internal.tests.jar}">
<fileset dir="${build.test.classes.dir}" excludes="**/api/**"/>
......
nashorn/make/project.properties
浏览文件 @ c2de1264
......@@ -206,7 +206,7 @@ test262-test-sys-prop.test.failed.list.file=${build.dir}/test/failedTests
# test262 test frameworks
test262-test-sys-prop.test.js.framework=\
--class-cache-size=0 \
--class-cache-size=10 \
--no-java \
--no-typed-arrays \
-timezone=PST \
......
nashorn/src/jdk/nashorn/api/scripting/NashornScriptEngine.java
浏览文件 @ c2de1264
......@@ -57,9 +57,9 @@ import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;
import javax.script.ScriptException;
import javax.script.SimpleBindings;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.ErrorManager;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.runtime.Property;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptObject;
......@@ -99,7 +99,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
private final boolean _global_per_engine;
// This is the initial default Nashorn global object.
// This is used as "shared" global if above option is true.
private final ScriptObject global;
private final Global global;
// initialized bit late to be made 'final'.
// Property object for "context" property of global object.
private volatile Property contextProperty;
......@@ -264,7 +264,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
public Object __noSuchProperty__(final Object self, final ScriptContext ctxt, final String name) {
if (ctxt != null) {
final int scope = ctxt.getAttributesScope(name);
final ScriptObject ctxtGlobal = getNashornGlobalFrom(ctxt);
final Global ctxtGlobal = getNashornGlobalFrom(ctxt);
if (scope != -1) {
return ScriptObjectMirror.unwrap(ctxt.getAttribute(name, scope), ctxtGlobal);
}
......@@ -317,7 +317,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
ScriptObject realSelf = null;
ScriptObject realGlobal = null;
Global realGlobal = null;
if(thiz == null) {
// making interface out of global functions
realSelf = realGlobal = getNashornGlobalFrom(context);
......@@ -346,7 +346,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
try {
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != realGlobal);
try {
if (globalChanged) {
......@@ -371,7 +371,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
// Retrieve nashorn Global object for a given ScriptContext object
private ScriptObject getNashornGlobalFrom(final ScriptContext ctxt) {
private Global getNashornGlobalFrom(final ScriptContext ctxt) {
if (_global_per_engine) {
// shared single global object for all ENGINE_SCOPE Bindings
return global;
......@@ -380,18 +380,18 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
final Bindings bindings = ctxt.getBindings(ScriptContext.ENGINE_SCOPE);
// is this Nashorn's own Bindings implementation?
if (bindings instanceof ScriptObjectMirror) {
final ScriptObject sobj = globalFromMirror((ScriptObjectMirror)bindings);
if (sobj != null) {
return sobj;
final Global glob = globalFromMirror((ScriptObjectMirror)bindings);
if (glob != null) {
return glob;
}
}
// Arbitrary user Bindings implementation. Look for NASHORN_GLOBAL in it!
Object scope = bindings.get(NASHORN_GLOBAL);
if (scope instanceof ScriptObjectMirror) {
final ScriptObject sobj = globalFromMirror((ScriptObjectMirror)scope);
if (sobj != null) {
return sobj;
final Global glob = globalFromMirror((ScriptObjectMirror)scope);
if (glob != null) {
return glob;
}
}
......@@ -399,14 +399,14 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
// Create new global instance mirror and associate with the Bindings.
final ScriptObjectMirror mirror = createGlobalMirror(ctxt);
bindings.put(NASHORN_GLOBAL, mirror);
return mirror.getScriptObject();
return mirror.getHomeGlobal();
}
// Retrieve nashorn Global object from a given ScriptObjectMirror
private ScriptObject globalFromMirror(final ScriptObjectMirror mirror) {
private Global globalFromMirror(final ScriptObjectMirror mirror) {
ScriptObject sobj = mirror.getScriptObject();
if (sobj instanceof GlobalObject && isOfContext(sobj, nashornContext)) {
return sobj;
if (sobj instanceof Global && isOfContext((Global)sobj, nashornContext)) {
return (Global)sobj;
}
return null;
......@@ -414,15 +414,15 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
// Create a new ScriptObjectMirror wrapping a newly created Nashorn Global object
private ScriptObjectMirror createGlobalMirror(final ScriptContext ctxt) {
final ScriptObject newGlobal = createNashornGlobal(ctxt);
final Global newGlobal = createNashornGlobal(ctxt);
return new ScriptObjectMirror(newGlobal, newGlobal);
}
// Create a new Nashorn Global object
private ScriptObject createNashornGlobal(final ScriptContext ctxt) {
final ScriptObject newGlobal = AccessController.doPrivileged(new PrivilegedAction<ScriptObject>() {
private Global createNashornGlobal(final ScriptContext ctxt) {
final Global newGlobal = AccessController.doPrivileged(new PrivilegedAction<Global>() {
@Override
public ScriptObject run() {
public Global run() {
try {
return nashornContext.newGlobal();
} catch (final RuntimeException e) {
......@@ -460,7 +460,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
// scripts should see "context" and "engine" as variables in the given global object
private void setContextVariables(final ScriptObject ctxtGlobal, final ScriptContext ctxt) {
private void setContextVariables(final Global ctxtGlobal, final ScriptContext ctxt) {
// set "context" global variable via contextProperty - because this
// property is non-writable
contextProperty.setObjectValue(ctxtGlobal, ctxtGlobal, ctxt, false);
......@@ -470,7 +470,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
// if no arguments passed, expose it
if (! (args instanceof ScriptObject)) {
args = ((GlobalObject)ctxtGlobal).wrapAsObject(args);
args = ctxtGlobal.wrapAsObject(args);
ctxtGlobal.set("arguments", args, false);
}
}
......@@ -478,7 +478,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
private Object invokeImpl(final Object selfObject, final String name, final Object... args) throws ScriptException, NoSuchMethodException {
name.getClass(); // null check
ScriptObject invokeGlobal = null;
Global invokeGlobal = null;
ScriptObjectMirror selfMirror = null;
if (selfObject instanceof ScriptObjectMirror) {
selfMirror = (ScriptObjectMirror)selfObject;
......@@ -489,7 +489,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
} else if (selfObject instanceof ScriptObject) {
// invokeMethod called from script code - in which case we may get 'naked' ScriptObject
// Wrap it with oldGlobal to make a ScriptObjectMirror for the same.
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
invokeGlobal = oldGlobal;
if (oldGlobal == null) {
throw new IllegalArgumentException(getMessage("no.current.nashorn.global"));
......@@ -502,7 +502,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
selfMirror = (ScriptObjectMirror)ScriptObjectMirror.wrap(selfObject, oldGlobal);
} else if (selfObject == null) {
// selfObject is null => global function call
final ScriptObject ctxtGlobal = getNashornGlobalFrom(context);
final Global ctxtGlobal = getNashornGlobalFrom(context);
invokeGlobal = ctxtGlobal;
selfMirror = (ScriptObjectMirror)ScriptObjectMirror.wrap(ctxtGlobal, ctxtGlobal);
}
......@@ -532,11 +532,11 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
return evalImpl(script, ctxt, getNashornGlobalFrom(ctxt));
}
private Object evalImpl(final ScriptFunction script, final ScriptContext ctxt, final ScriptObject ctxtGlobal) throws ScriptException {
private Object evalImpl(final ScriptFunction script, final ScriptContext ctxt, final Global ctxtGlobal) throws ScriptException {
if (script == null) {
return null;
}
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != ctxtGlobal);
try {
if (globalChanged) {
......@@ -558,7 +558,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
}
}
private static void throwAsScriptException(final Exception e, final ScriptObject global) throws ScriptException {
private static void throwAsScriptException(final Exception e, final Global global) throws ScriptException {
if (e instanceof ScriptException) {
throw (ScriptException)e;
} else if (e instanceof NashornException) {
......@@ -582,7 +582,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
return new CompiledScript() {
@Override
public Object eval(final ScriptContext ctxt) throws ScriptException {
final ScriptObject globalObject = getNashornGlobalFrom(ctxt);
final Global globalObject = getNashornGlobalFrom(ctxt);
// Are we running the script in the correct global?
if (func.getScope() == globalObject) {
return evalImpl(func, ctxt, globalObject);
......@@ -602,8 +602,8 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
return compileImpl(source, getNashornGlobalFrom(ctxt));
}
private ScriptFunction compileImpl(final Source source, final ScriptObject newGlobal) throws ScriptException {
final ScriptObject oldGlobal = Context.getGlobal();
private ScriptFunction compileImpl(final Source source, final Global newGlobal) throws ScriptException {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != newGlobal);
try {
if (globalChanged) {
......@@ -641,8 +641,7 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C
return true;
}
private static boolean isOfContext(final ScriptObject global, final Context context) {
assert global instanceof GlobalObject: "Not a Global object";
return ((GlobalObject)global).isOfContext(context);
private static boolean isOfContext(final Global global, final Context context) {
return global.isOfContext(context);
}
}
nashorn/src/jdk/nashorn/api/scripting/ScriptObjectMirror.java
浏览文件 @ c2de1264
......@@ -42,10 +42,10 @@ import java.util.Map;
import java.util.Set;
import java.util.concurrent.Callable;
import javax.script.Bindings;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.arrays.ArrayData;
import jdk.nashorn.internal.runtime.ConsString;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.runtime.JSType;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptObject;
......@@ -64,7 +64,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
private static final AccessControlContext GET_CONTEXT_ACC_CTXT = getContextAccCtxt();
private final ScriptObject sobj;
private final ScriptObject global;
private final Global global;
private final boolean strict;
@Override
......@@ -95,7 +95,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
@Override
public Object call(final Object thiz, final Object... args) {
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
......@@ -125,7 +125,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
@Override
public Object newObject(final Object... args) {
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
......@@ -171,7 +171,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
public Object callMember(final String functionName, final Object... args) {
functionName.getClass(); // null check
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
......@@ -642,7 +642,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
*/
public static Object wrap(final Object obj, final Object homeGlobal) {
if(obj instanceof ScriptObject) {
return homeGlobal instanceof ScriptObject ? new ScriptObjectMirror((ScriptObject)obj, (ScriptObject)homeGlobal) : obj;
return homeGlobal instanceof Global ? new ScriptObjectMirror((ScriptObject)obj, (Global)homeGlobal) : obj;
}
if(obj instanceof ConsString) {
return obj.toString();
......@@ -710,13 +710,13 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
// package-privates below this.
ScriptObjectMirror(final ScriptObject sobj, final ScriptObject global) {
ScriptObjectMirror(final ScriptObject sobj, final Global global) {
assert sobj != null : "ScriptObjectMirror on null!";
assert global instanceof GlobalObject : "global is not a GlobalObject";
assert global != null : "home Global is null";
this.sobj = sobj;
this.global = global;
this.strict = ((GlobalObject)global).isStrictContext();
this.strict = global.isStrictContext();
}
// accessors for script engine
......@@ -724,7 +724,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
return sobj;
}
ScriptObject getHomeGlobal() {
Global getHomeGlobal() {
return global;
}
......@@ -734,7 +734,7 @@ public final class ScriptObjectMirror extends AbstractJSObject implements Bindin
// internals only below this.
private <V> V inGlobal(final Callable<V> callable) {
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
if (globalChanged) {
Context.setGlobal(global);
......
nashorn/src/jdk/nashorn/internal/codegen/Attr.java
浏览文件 @ c2de1264
......@@ -375,10 +375,11 @@ final class Attr extends NodeOperatorVisitor<LexicalContext> {
* @return Symbol for given name or null for redefinition.
*/
private Symbol defineSymbol(final Block block, final String name, final int symbolFlags) {
int flags = symbolFlags;
Symbol symbol = findSymbol(block, name); // Locate symbol.
int flags = symbolFlags;
Symbol symbol = findSymbol(block, name); // Locate symbol.
boolean isGlobal = (flags & KINDMASK) == IS_GLOBAL;
if ((flags & KINDMASK) == IS_GLOBAL) {
if (isGlobal) {
flags |= IS_SCOPE;
}
......@@ -414,6 +415,8 @@ final class Attr extends NodeOperatorVisitor<LexicalContext> {
// Determine where to create it.
if ((flags & Symbol.KINDMASK) == IS_VAR && ((flags & IS_INTERNAL) == IS_INTERNAL || (flags & IS_LET) == IS_LET)) {
symbolBlock = block; //internal vars are always defined in the block closest to them
} else if (isGlobal) {
symbolBlock = lc.getOutermostFunction().getBody();
} else {
symbolBlock = lc.getFunctionBody(function);
}
......
nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java
浏览文件 @ c2de1264
......@@ -685,7 +685,7 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
private void scopeCall(final IdentNode node, final int flags) {
load(node, Type.OBJECT); // Type.OBJECT as foo() makes no sense if foo == 3
// ScriptFunction will see CALLSITE_SCOPE and will bind scope accordingly.
method.loadNull(); //the 'this'
method.loadUndefined(Type.OBJECT); //the 'this' object
method.dynamicCall(callNodeType, 2 + loadArgs(args), flags);
}
......@@ -818,7 +818,7 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
protected boolean enterDefault(final Node node) {
// Load up function.
load(function, Type.OBJECT); //TODO, e.g. booleans can be used as functions
method.loadNull(); // ScriptFunction will figure out the correct this when it sees CALLSITE_SCOPE
method.loadUndefined(Type.OBJECT); // ScriptFunction will figure out the correct this when it sees CALLSITE_SCOPE
method.dynamicCall(callNodeType, 2 + loadArgs(args), getCallSiteFlags() | CALLSITE_SCOPE);
return false;
......
nashorn/src/jdk/nashorn/internal/codegen/SharedScopeCall.java
浏览文件 @ c2de1264
......@@ -156,7 +156,7 @@ class SharedScopeCall {
if (isCall) {
method.convert(Type.OBJECT);
// ScriptFunction will see CALLSITE_SCOPE and will bind scope accordingly.
method.loadNull();
method.loadUndefined(Type.OBJECT);
int slot = 2;
for (final Type type : paramTypes) {
method.load(type, slot++);
......
nashorn/src/jdk/nashorn/internal/ir/FunctionNode.java
浏览文件 @ c2de1264
......@@ -164,11 +164,11 @@ public final class FunctionNode extends LexicalContextExpression implements Flag
public static final int HAS_EVAL = 1 << 5;
/** Does a nested function contain eval? If it does, then all variables in this function might be get/set by it. */
public static final int HAS_NESTED_EVAL = 1 << 6;
public static final int HAS_NESTED_EVAL = 1 << 6;
/** Does this function have any blocks that create a scope? This is used to determine if the function needs to
* have a local variable slot for the scope symbol. */
public static final int HAS_SCOPE_BLOCK = 1 << 7;
public static final int HAS_SCOPE_BLOCK = 1 << 7;
/**
* Flag this function as one that defines the identifier "arguments" as a function parameter or nested function
......@@ -197,6 +197,9 @@ public final class FunctionNode extends LexicalContextExpression implements Flag
/** Can this function be specialized? */
public static final int CAN_SPECIALIZE = 1 << 14;
/** Does this function use the "this" keyword? */
public static final int USES_THIS = 1 << 15;
/** Does this function or any nested functions contain an eval? */
private static final int HAS_DEEP_EVAL = HAS_EVAL | HAS_NESTED_EVAL;
......@@ -590,6 +593,15 @@ public final class FunctionNode extends LexicalContextExpression implements Flag
return needsParentScope() || needsSelfSymbol() || isSplit() || (needsArguments() && !isStrict());
}
/**
* Return {@code true} if this function makes use of the {@code this} object.
*
* @return true if function uses {@code this} object
*/
public boolean usesThis() {
return getFlag(USES_THIS);
}
/**
* Get the identifier for this function, this is its symbol.
* @return the identifier as an IdentityNode
......
nashorn/src/jdk/nashorn/internal/objects/AccessorPropertyDescriptor.java
浏览文件 @ c2de1264
......@@ -67,12 +67,8 @@ public final class AccessorPropertyDescriptor extends ScriptObject implements Pr
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
AccessorPropertyDescriptor(final boolean configurable, final boolean enumerable, final Object get, final Object set, final Global global) {
super(global.getObjectPrototype(), getInitialMap());
super(global.getObjectPrototype(), $nasgenmap$);
this.configurable = configurable;
this.enumerable = enumerable;
this.get = get;
......
nashorn/src/jdk/nashorn/internal/objects/ArrayBufferView.java
浏览文件 @ c2de1264
......@@ -42,12 +42,8 @@ abstract class ArrayBufferView extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private ArrayBufferView(final NativeArrayBuffer buffer, final int byteOffset, final int elementLength, final Global global) {
super(getInitialMap());
super($nasgenmap$);
checkConstructorArgs(buffer, byteOffset, elementLength);
this.setProto(getPrototype(global));
this.setArray(factory().createArrayData(buffer, byteOffset, elementLength));
......
nashorn/src/jdk/nashorn/internal/objects/DataPropertyDescriptor.java
浏览文件 @ c2de1264
......@@ -64,12 +64,8 @@ public final class DataPropertyDescriptor extends ScriptObject implements Proper
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
DataPropertyDescriptor(final boolean configurable, final boolean enumerable, final boolean writable, final Object value, final Global global) {
super(global.getObjectPrototype(), getInitialMap());
super(global.getObjectPrototype(), $nasgenmap$);
this.configurable = configurable;
this.enumerable = enumerable;
this.writable = writable;
......
nashorn/src/jdk/nashorn/internal/objects/GenericPropertyDescriptor.java
浏览文件 @ c2de1264
......@@ -55,12 +55,8 @@ public final class GenericPropertyDescriptor extends ScriptObject implements Pro
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
GenericPropertyDescriptor(final boolean configurable, final boolean enumerable, final Global global) {
super(global.getObjectPrototype(), getInitialMap());
super(global.getObjectPrototype(), $nasgenmap$);
this.configurable = configurable;
this.enumerable = enumerable;
}
......
nashorn/src/jdk/nashorn/internal/objects/Global.java
浏览文件 @ c2de1264
......@@ -33,11 +33,8 @@ import java.io.IOException;
import java.io.PrintWriter;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.SoftReference;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
......@@ -51,7 +48,6 @@ import jdk.nashorn.internal.objects.annotations.ScriptClass;
import jdk.nashorn.internal.runtime.ConsString;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.GlobalFunctions;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.runtime.JSType;
import jdk.nashorn.internal.runtime.NativeJavaPackage;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
......@@ -59,10 +55,10 @@ import jdk.nashorn.internal.runtime.PropertyMap;
import jdk.nashorn.internal.runtime.Scope;
import jdk.nashorn.internal.runtime.ScriptEnvironment;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptFunctionData;
import jdk.nashorn.internal.runtime.ScriptObject;
import jdk.nashorn.internal.runtime.ScriptRuntime;
import jdk.nashorn.internal.runtime.ScriptingFunctions;
import jdk.nashorn.internal.runtime.Source;
import jdk.nashorn.internal.runtime.arrays.ArrayData;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
import jdk.nashorn.internal.runtime.linker.InvokeByName;
......@@ -73,7 +69,7 @@ import jdk.nashorn.internal.scripts.JO;
* Representation of global scope.
*/
@ScriptClass("Global")
public final class Global extends ScriptObject implements GlobalObject, Scope {
public final class Global extends ScriptObject implements Scope {
private final InvokeByName TO_STRING = new InvokeByName("toString", ScriptObject.class);
private final InvokeByName VALUE_OF = new InvokeByName("valueOf", ScriptObject.class);
......@@ -229,6 +225,10 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
@Property(name = "ArrayBuffer", attributes = Attribute.NOT_ENUMERABLE)
public volatile Object arrayBuffer;
/** DataView object */
@Property(name = "DataView", attributes = Attribute.NOT_ENUMERABLE)
public volatile Object dataView;
/** TypedArray (int8) */
@Property(name = "Int8Array", attributes = Attribute.NOT_ENUMERABLE)
public volatile Object int8Array;
......@@ -355,6 +355,7 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
private ScriptObject builtinJavaImporter;
private ScriptObject builtinJavaApi;
private ScriptObject builtinArrayBuffer;
private ScriptObject builtinDataView;
private ScriptObject builtinInt8Array;
private ScriptObject builtinUint8Array;
private ScriptObject builtinUint8ClampedArray;
......@@ -373,9 +374,6 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
// Flag to indicate that a split method issued a return statement
private int splitState = -1;
// class cache
private ClassCache classCache;
// Used to store the last RegExp result to support deprecated RegExp constructor properties
private RegExpResult lastRegExpResult;
......@@ -426,11 +424,6 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
super(checkAndGetMap(context));
this.context = context;
this.setIsScope();
final int cacheSize = context.getEnv()._class_cache_size;
if (cacheSize > 0) {
classCache = new ClassCache(cacheSize);
}
}
/**
......@@ -439,11 +432,9 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
* @return the global singleton
*/
public static Global instance() {
ScriptObject global = Context.getGlobal();
if (! (global instanceof Global)) {
throw new IllegalStateException("no current global instance");
}
return (Global)global;
Global global = Context.getGlobal();
global.getClass(); // null check
return global;
}
/**
......@@ -464,19 +455,30 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
return instance().getContext();
}
// GlobalObject interface implementation
// Runtime interface to Global
@Override
/**
* Is this global of the given Context?
* @param ctxt the context
* @return true if this global belongs to the given Context
*/
public boolean isOfContext(final Context ctxt) {
return this.context == ctxt;
}
@Override
/**
* Does this global belong to a strict Context?
* @return true if this global belongs to a strict Context
*/
public boolean isStrictContext() {
return context.getEnv()._strict;
}
@Override
/**
* Initialize standard builtin objects like "Object", "Array", "Function" etc.
* as well as our extension builtin objects like "Java", "JSAdapter" as properties
* of the global scope object.
*/
public void initBuiltinObjects() {
if (this.builtinObject != null) {
// already initialized, just return
......@@ -486,12 +488,26 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
init();
}
@Override
/**
* Create a new ScriptFunction object
*
* @param name function name
* @param handle invocation handle for function
* @param scope the scope
* @param strict are we in strict mode
*
* @return new script function
*/
public ScriptFunction newScriptFunction(final String name, final MethodHandle handle, final ScriptObject scope, final boolean strict) {
return new ScriptFunctionImpl(name, handle, scope, null, strict, false, true);
return new ScriptFunctionImpl(name, handle, scope, null, strict ? ScriptFunctionData.IS_STRICT_CONSTRUCTOR : ScriptFunctionData.IS_CONSTRUCTOR);
}
@Override
/**
* Wrap a Java object as corresponding script object
*
* @param obj object to wrap
* @return wrapped object
*/
public Object wrapAsObject(final Object obj) {
if (obj instanceof Boolean) {
return new NativeBoolean((Boolean)obj, this);
......@@ -513,7 +529,14 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
}
}
@Override
/**
* Lookup helper for JS primitive types
*
* @param request the link request for the dynamic call site.
* @param self self reference
*
* @return guarded invocation
*/
public GuardedInvocation primitiveLookup(final LinkRequest request, final Object self) {
if (self instanceof String || self instanceof ConsString) {
return NativeString.lookupPrimitive(request, self);
......@@ -525,12 +548,23 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
throw new IllegalArgumentException("Unsupported primitive: " + self);
}
@Override
/**
* Create a new empty script object
*
* @return the new ScriptObject
*/
public ScriptObject newObject() {
return new JO(getObjectPrototype(), JO.getInitialMap());
}
@Override
/**
* Default value of given type
*
* @param sobj script object
* @param typeHint type hint
*
* @return default value
*/
public Object getDefaultValue(final ScriptObject sobj, final Class<?> typeHint) {
// When the [[DefaultValue]] internal method of O is called with no hint,
// then it behaves as if the hint were Number, unless O is a Date object
......@@ -590,7 +624,12 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
return UNDEFINED;
}
@Override
/**
* Is the given ScriptObject an ECMAScript Error object?
*
* @param sobj the object being checked
* @return true if sobj is an Error object
*/
public boolean isError(final ScriptObject sobj) {
final ScriptObject errorProto = getErrorPrototype();
ScriptObject proto = sobj.getProto();
......@@ -603,52 +642,108 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
return false;
}
@Override
/**
* Create a new ECMAScript Error object.
*
* @param msg error message
* @return newly created Error object
*/
public ScriptObject newError(final String msg) {
return new NativeError(msg, this);
}
@Override
/**
* Create a new ECMAScript EvalError object.
*
* @param msg error message
* @return newly created EvalError object
*/
public ScriptObject newEvalError(final String msg) {
return new NativeEvalError(msg, this);
}
@Override
/**
* Create a new ECMAScript RangeError object.
*
* @param msg error message
* @return newly created RangeError object
*/
public ScriptObject newRangeError(final String msg) {
return new NativeRangeError(msg, this);
}
@Override
/**
* Create a new ECMAScript ReferenceError object.
*
* @param msg error message
* @return newly created ReferenceError object
*/
public ScriptObject newReferenceError(final String msg) {
return new NativeReferenceError(msg, this);
}
@Override
/**
* Create a new ECMAScript SyntaxError object.
*
* @param msg error message
* @return newly created SyntaxError object
*/
public ScriptObject newSyntaxError(final String msg) {
return new NativeSyntaxError(msg, this);
}
@Override
/**
* Create a new ECMAScript TypeError object.
*
* @param msg error message
* @return newly created TypeError object
*/
public ScriptObject newTypeError(final String msg) {
return new NativeTypeError(msg, this);
}
@Override
/**
* Create a new ECMAScript URIError object.
*
* @param msg error message
* @return newly created URIError object
*/
public ScriptObject newURIError(final String msg) {
return new NativeURIError(msg, this);
}
@Override
/**
* Create a new ECMAScript GenericDescriptor object.
*
* @param configurable is the property configurable?
* @param enumerable is the property enumerable?
* @return newly created GenericDescriptor object
*/
public PropertyDescriptor newGenericDescriptor(final boolean configurable, final boolean enumerable) {
return new GenericPropertyDescriptor(configurable, enumerable, this);
}
@Override
/**
* Create a new ECMAScript DatePropertyDescriptor object.
*
* @param value of the data property
* @param configurable is the property configurable?
* @param enumerable is the property enumerable?
* @return newly created DataPropertyDescriptor object
*/
public PropertyDescriptor newDataDescriptor(final Object value, final boolean configurable, final boolean enumerable, final boolean writable) {
return new DataPropertyDescriptor(configurable, enumerable, writable, value, this);
}
@Override
/**
* Create a new ECMAScript AccessorPropertyDescriptor object.
*
* @param get getter function of the user accessor property
* @param set setter function of the user accessor property
* @param configurable is the property configurable?
* @param enumerable is the property enumerable?
* @return newly created AccessorPropertyDescriptor object
*/
public PropertyDescriptor newAccessorDescriptor(final Object get, final Object set, final boolean configurable, final boolean enumerable) {
final AccessorPropertyDescriptor desc = new AccessorPropertyDescriptor(configurable, enumerable, get == null ? UNDEFINED : get, set == null ? UNDEFINED : set, this);
......@@ -664,62 +759,6 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
}
/**
* Cache for compiled script classes.
*/
@SuppressWarnings("serial")
private static class ClassCache extends LinkedHashMap<Source, ClassReference> {
private final int size;
private final ReferenceQueue<Class<?>> queue;
ClassCache(int size) {
super(size, 0.75f, true);
this.size = size;
this.queue = new ReferenceQueue<>();
}
void cache(final Source source, final Class<?> clazz) {
put(source, new ClassReference(clazz, queue, source));
}
@Override
protected boolean removeEldestEntry(final Map.Entry<Source, ClassReference> eldest) {
return size() > size;
}
@Override
public ClassReference get(Object key) {
for (ClassReference ref; (ref = (ClassReference)queue.poll()) != null; ) {
remove(ref.source);
}
return super.get(key);
}
}
private static class ClassReference extends SoftReference<Class<?>> {
private final Source source;
ClassReference(final Class<?> clazz, final ReferenceQueue<Class<?>> queue, final Source source) {
super(clazz, queue);
this.source = source;
}
}
// Class cache management
@Override
public Class<?> findCachedClass(final Source source) {
assert classCache != null : "Class cache used without being initialized";
ClassReference ref = classCache.get(source);
return ref != null ? ref.get() : null;
}
@Override
public void cacheClass(final Source source, final Class<?> clazz) {
assert classCache != null : "Class cache used without being initialized";
classCache.cache(source, clazz);
}
private static <T> T getLazilyCreatedValue(final Object key, final Callable<T> creator, final Map<Object, T> map) {
final T obj = map.get(key);
if (obj != null) {
......@@ -737,14 +776,25 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
private final Map<Object, InvokeByName> namedInvokers = new ConcurrentHashMap<>();
@Override
/**
* Get cached InvokeByName object for the given key
* @param key key to be associated with InvokeByName object
* @param creator if InvokeByName is absent 'creator' is called to make one (lazy init)
* @return InvokeByName object associated with the key.
*/
public InvokeByName getInvokeByName(final Object key, final Callable<InvokeByName> creator) {
return getLazilyCreatedValue(key, creator, namedInvokers);
}
private final Map<Object, MethodHandle> dynamicInvokers = new ConcurrentHashMap<>();
@Override
/**
* Get cached dynamic method handle for the given key
* @param key key to be associated with dynamic method handle
* @param creator if method handle is absent 'creator' is called to make one (lazy init)
* @return dynamic method handle associated with the key.
*/
public MethodHandle getDynamicInvoker(final Object key, final Callable<MethodHandle> creator) {
return getLazilyCreatedValue(key, creator, dynamicInvokers);
}
......@@ -933,6 +983,10 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
return ScriptFunction.getPrototype(builtinArrayBuffer);
}
ScriptObject getDataViewPrototype() {
return ScriptFunction.getPrototype(builtinDataView);
}
ScriptObject getInt8ArrayPrototype() {
return ScriptFunction.getPrototype(builtinInt8Array);
}
......@@ -1701,6 +1755,7 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
private void initTypedArray() {
this.builtinArrayBuffer = initConstructor("ArrayBuffer");
this.builtinDataView = initConstructor("DataView");
this.builtinInt8Array = initConstructor("Int8Array");
this.builtinUint8Array = initConstructor("Uint8Array");
this.builtinUint8ClampedArray = initConstructor("Uint8ClampedArray");
......@@ -1741,6 +1796,7 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
this.typeError = this.builtinTypeError;
this.uriError = this.builtinURIError;
this.arrayBuffer = this.builtinArrayBuffer;
this.dataView = this.builtinDataView;
this.int8Array = this.builtinInt8Array;
this.uint8Array = this.builtinUint8Array;
this.uint8ClampedArray = this.builtinUint8ClampedArray;
......@@ -1838,7 +1894,7 @@ public final class Global extends ScriptObject implements GlobalObject, Scope {
anon.deleteOwnProperty(anon.getMap().findProperty("prototype"));
// use "getter" so that [[ThrowTypeError]] function's arity is 0 - as specified in step 10 of section 13.2.3
this.typeErrorThrower = new ScriptFunctionImpl("TypeErrorThrower", Lookup.TYPE_ERROR_THROWER_GETTER, null, null, false, false, false);
this.typeErrorThrower = new ScriptFunctionImpl("TypeErrorThrower", Lookup.TYPE_ERROR_THROWER_GETTER, null, null, 0);
typeErrorThrower.setPrototype(UNDEFINED);
// Non-constructor built-in functions do not have "prototype" property
typeErrorThrower.deleteOwnProperty(typeErrorThrower.getMap().findProperty("prototype"));
......
nashorn/src/jdk/nashorn/internal/objects/NativeArray.java
浏览文件 @ c2de1264
......@@ -156,10 +156,6 @@ public final class NativeArray extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
/*
* Constructors.
*/
......@@ -208,7 +204,7 @@ public final class NativeArray extends ScriptObject {
}
NativeArray(final ArrayData arrayData, final Global global) {
super(global.getArrayPrototype(), getInitialMap());
super(global.getArrayPrototype(), $nasgenmap$);
this.setArray(arrayData);
this.setIsArray();
}
......
nashorn/src/jdk/nashorn/internal/objects/NativeArrayBuffer.java
浏览文件 @ c2de1264
......@@ -25,6 +25,7 @@
package jdk.nashorn.internal.objects;
import java.nio.ByteBuffer;
import java.util.Arrays;
import jdk.nashorn.internal.objects.annotations.Attribute;
import jdk.nashorn.internal.objects.annotations.Constructor;
......@@ -43,10 +44,6 @@ final class NativeArrayBuffer extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@Constructor(arity = 1)
public static Object constructor(final boolean newObj, final Object self, final Object... args) {
if (args.length == 0) {
......@@ -57,7 +54,7 @@ final class NativeArrayBuffer extends ScriptObject {
}
protected NativeArrayBuffer(final byte[] byteArray, final Global global) {
super(global.getArrayBufferPrototype(), getInitialMap());
super(global.getArrayBufferPrototype(), $nasgenmap$);
this.buffer = byteArray;
}
......@@ -128,4 +125,16 @@ final class NativeArrayBuffer extends ScriptObject {
public int getByteLength() {
return buffer.length;
}
ByteBuffer getBuffer() {
return ByteBuffer.wrap(buffer);
}
ByteBuffer getBuffer(final int offset) {
return ByteBuffer.wrap(buffer, offset, buffer.length - offset);
}
ByteBuffer getBuffer(final int offset, final int length) {
return ByteBuffer.wrap(buffer, offset, length);
}
}
nashorn/src/jdk/nashorn/internal/objects/NativeBoolean.java
浏览文件 @ c2de1264
......@@ -30,6 +30,7 @@ import static jdk.nashorn.internal.lookup.Lookup.MH;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import jdk.internal.dynalink.linker.GuardedInvocation;
import jdk.internal.dynalink.linker.LinkRequest;
import jdk.nashorn.internal.objects.annotations.Attribute;
......@@ -50,22 +51,21 @@ import jdk.nashorn.internal.runtime.linker.PrimitiveLookup;
public final class NativeBoolean extends ScriptObject {
private final boolean value;
final static MethodHandle WRAPFILTER = findWrapFilter();
// Method handle to create an object wrapper for a primitive boolean
private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", MH.type(NativeBoolean.class, Object.class));
// Method handle to retrieve the Boolean prototype object
private static final MethodHandle PROTOFILTER = findOwnMH("protoFilter", MH.type(Object.class, Object.class));
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeBoolean(final boolean value, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
this.value = value;
}
NativeBoolean(final boolean flag, final Global global) {
this(flag, global.getBooleanPrototype(), getInitialMap());
this(flag, global.getBooleanPrototype(), $nasgenmap$);
}
NativeBoolean(final boolean flag) {
......@@ -164,7 +164,7 @@ public final class NativeBoolean extends ScriptObject {
* @return Link to be invoked at call site.
*/
public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
return PrimitiveLookup.lookupPrimitive(request, Boolean.class, new NativeBoolean((Boolean)receiver), WRAPFILTER);
return PrimitiveLookup.lookupPrimitive(request, Boolean.class, new NativeBoolean((Boolean)receiver), WRAPFILTER, PROTOFILTER);
}
/**
......@@ -178,7 +178,12 @@ public final class NativeBoolean extends ScriptObject {
return new NativeBoolean((Boolean)receiver);
}
private static MethodHandle findWrapFilter() {
return MH.findStatic(MethodHandles.lookup(), NativeBoolean.class, "wrapFilter", MH.type(NativeBoolean.class, Object.class));
@SuppressWarnings("unused")
private static Object protoFilter(final Object object) {
return Global.instance().getBooleanPrototype();
}
private static MethodHandle findOwnMH(final String name, final MethodType type) {
return MH.findStatic(MethodHandles.lookup(), NativeBoolean.class, name, type);
}
}
nashorn/src/jdk/nashorn/internal/objects/NativeDate.java
浏览文件 @ c2de1264
......@@ -114,10 +114,6 @@ public final class NativeDate extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeDate(final double time, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
final ScriptEnvironment env = Global.getEnv();
......@@ -127,7 +123,7 @@ public final class NativeDate extends ScriptObject {
}
NativeDate(final double time, final Global global) {
this(time, global.getDatePrototype(), getInitialMap());
this(time, global.getDatePrototype(), $nasgenmap$);
}
private NativeDate (final double time) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeError.java
浏览文件 @ c2de1264
......@@ -92,10 +92,6 @@ public final class NativeError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
private NativeError(final Object msg, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
......@@ -108,7 +104,7 @@ public final class NativeError extends ScriptObject {
}
NativeError(final Object msg, final Global global) {
this(msg, global.getErrorPrototype(), getInitialMap());
this(msg, global.getErrorPrototype(), $nasgenmap$);
}
private NativeError(final Object msg) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeEvalError.java
浏览文件 @ c2de1264
......@@ -62,10 +62,6 @@ public final class NativeEvalError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
private NativeEvalError(final Object msg, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
......@@ -78,7 +74,7 @@ public final class NativeEvalError extends ScriptObject {
}
NativeEvalError(final Object msg, final Global global) {
this(msg, global.getEvalErrorPrototype(), getInitialMap());
this(msg, global.getEvalErrorPrototype(), $nasgenmap$);
}
private NativeEvalError(final Object msg) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeJSAdapter.java
浏览文件 @ c2de1264
......@@ -146,10 +146,6 @@ public final class NativeJSAdapter extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
NativeJSAdapter(final Object overrides, final ScriptObject adaptee, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
this.adaptee = wrapAdaptee(adaptee);
......@@ -577,7 +573,7 @@ public final class NativeJSAdapter extends ScriptObject {
proto = global.getJSAdapterPrototype();
}
return new NativeJSAdapter(overrides, (ScriptObject)adaptee, (ScriptObject)proto, getInitialMap());
return new NativeJSAdapter(overrides, (ScriptObject)adaptee, (ScriptObject)proto, $nasgenmap$);
}
@Override
......@@ -622,7 +618,7 @@ public final class NativeJSAdapter extends ScriptObject {
case "getMethod":
final FindProperty find = adaptee.findProperty(__call__, true);
if (find != null) {
final Object value = getObjectValue(find);
final Object value = find.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunctionImpl func = (ScriptFunctionImpl)value;
// TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound
......@@ -691,7 +687,7 @@ public final class NativeJSAdapter extends ScriptObject {
final MethodType type = desc.getMethodType();
if (findData != null) {
final String name = desc.getNameTokenCount() > 2 ? desc.getNameToken(2) : null;
final Object value = getObjectValue(findData);
final Object value = findData.getObjectValue();
if (value instanceof ScriptFunction) {
final ScriptFunction func = (ScriptFunction)value;
......
nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java
浏览文件 @ c2de1264
......@@ -60,17 +60,13 @@ public final class NativeJavaImporter extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeJavaImporter(final Object[] args, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
this.args = args;
}
private NativeJavaImporter(final Object[] args, final Global global) {
this(args, global.getJavaImporterPrototype(), getInitialMap());
this(args, global.getJavaImporterPrototype(), $nasgenmap$);
}
private NativeJavaImporter(final Object[] args) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeNumber.java
浏览文件 @ c2de1264
......@@ -34,6 +34,7 @@ import static jdk.nashorn.internal.lookup.Lookup.MH;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.text.NumberFormat;
import java.util.Locale;
import jdk.internal.dynalink.linker.GuardedInvocation;
......@@ -57,7 +58,10 @@ import jdk.nashorn.internal.runtime.linker.PrimitiveLookup;
@ScriptClass("Number")
public final class NativeNumber extends ScriptObject {
static final MethodHandle WRAPFILTER = findWrapFilter();
// Method handle to create an object wrapper for a primitive number
private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", MH.type(NativeNumber.class, Object.class));
// Method handle to retrieve the Number prototype object
private static final MethodHandle PROTOFILTER = findOwnMH("protoFilter", MH.type(Object.class, Object.class));
/** ECMA 15.7.3.2 largest positive finite value */
@Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR)
......@@ -86,10 +90,6 @@ public final class NativeNumber extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeNumber(final double value, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
this.value = value;
......@@ -98,7 +98,7 @@ public final class NativeNumber extends ScriptObject {
}
NativeNumber(final double value, final Global global) {
this(value, global.getNumberPrototype(), getInitialMap());
this(value, global.getNumberPrototype(), $nasgenmap$);
}
private NativeNumber(final double value) {
......@@ -322,7 +322,7 @@ public final class NativeNumber extends ScriptObject {
* @return Link to be invoked at call site.
*/
public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
return PrimitiveLookup.lookupPrimitive(request, Number.class, new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER);
return PrimitiveLookup.lookupPrimitive(request, Number.class, new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER, PROTOFILTER);
}
@SuppressWarnings("unused")
......@@ -330,6 +330,11 @@ public final class NativeNumber extends ScriptObject {
return new NativeNumber(((Number)receiver).doubleValue());
}
@SuppressWarnings("unused")
private static Object protoFilter(final Object object) {
return Global.instance().getNumberPrototype();
}
private static double getNumberValue(final Object self) {
if (self instanceof Number) {
return ((Number)self).doubleValue();
......@@ -378,7 +383,7 @@ public final class NativeNumber extends ScriptObject {
return str;
}
private static MethodHandle findWrapFilter() {
return MH.findStatic(MethodHandles.lookup(), NativeNumber.class, "wrapFilter", MH.type(NativeNumber.class, Object.class));
private static MethodHandle findOwnMH(final String name, final MethodType type) {
return MH.findStatic(MethodHandles.lookup(), NativeNumber.class, name, type);
}
}
nashorn/src/jdk/nashorn/internal/objects/NativeRangeError.java
浏览文件 @ c2de1264
......@@ -62,10 +62,6 @@ public final class NativeRangeError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
private NativeRangeError(final Object msg, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
......@@ -78,7 +74,7 @@ public final class NativeRangeError extends ScriptObject {
}
NativeRangeError(final Object msg, final Global global) {
this(msg, global.getRangeErrorPrototype(), getInitialMap());
this(msg, global.getRangeErrorPrototype(), $nasgenmap$);
}
private NativeRangeError(final Object msg) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeReferenceError.java
浏览文件 @ c2de1264
......@@ -62,10 +62,6 @@ public final class NativeReferenceError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
private NativeReferenceError(final Object msg, final ScriptObject proto, final PropertyMap map) {
super(proto, map);
......@@ -78,7 +74,7 @@ public final class NativeReferenceError extends ScriptObject {
}
NativeReferenceError(final Object msg, final Global global) {
this(msg, global.getReferenceErrorPrototype(), getInitialMap());
this(msg, global.getReferenceErrorPrototype(), $nasgenmap$);
}
private NativeReferenceError(final Object msg) {
......
nashorn/src/jdk/nashorn/internal/objects/NativeRegExp.java
浏览文件 @ c2de1264
......@@ -70,12 +70,8 @@ public final class NativeRegExp extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeRegExp(final Global global) {
super(global.getRegExpPrototype(), getInitialMap());
super(global.getRegExpPrototype(), $nasgenmap$);
this.globalObject = global;
}
......
nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java
浏览文件 @ c2de1264
......@@ -53,12 +53,8 @@ public final class NativeRegExpExecResult extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
NativeRegExpExecResult(final RegExpResult result, final Global global) {
super(global.getArrayPrototype(), getInitialMap());
super(global.getArrayPrototype(), $nasgenmap$);
setIsArray();
this.setArray(ArrayData.allocate(result.getGroups().clone()));
this.index = result.getIndex();
......
nashorn/src/jdk/nashorn/internal/objects/NativeString.java
浏览文件 @ c2de1264
......@@ -32,6 +32,7 @@ import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
......@@ -69,21 +70,20 @@ public final class NativeString extends ScriptObject {
private final CharSequence value;
static final MethodHandle WRAPFILTER = findWrapFilter();
// Method handle to create an object wrapper for a primitive string
private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", MH.type(NativeString.class, Object.class));
// Method handle to retrieve the String prototype object
private static final MethodHandle PROTOFILTER = findOwnMH("protoFilter", MH.type(Object.class, Object.class));
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
private NativeString(final CharSequence value) {
this(value, Global.instance());
}
NativeString(final CharSequence value, final Global global) {
this(value, global.getStringPrototype(), getInitialMap());
this(value, global.getStringPrototype(), $nasgenmap$);
}
private NativeString(final CharSequence value, final ScriptObject proto, final PropertyMap map) {
......@@ -1199,7 +1199,7 @@ public final class NativeString extends ScriptObject {
*/
public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
final MethodHandle guard = NashornGuards.getInstanceOf2Guard(String.class, ConsString.class);
return PrimitiveLookup.lookupPrimitive(request, guard, new NativeString((CharSequence)receiver), WRAPFILTER);
return PrimitiveLookup.lookupPrimitive(request, guard, new NativeString((CharSequence)receiver), WRAPFILTER, PROTOFILTER);
}
@SuppressWarnings("unused")
......@@ -1207,6 +1207,11 @@ public final class NativeString extends ScriptObject {
return new NativeString((CharSequence)receiver);
}
@SuppressWarnings("unused")
private static Object protoFilter(final Object object) {
return Global.instance().getStringPrototype();
}
private static CharSequence getCharSequence(final Object self) {
if (self instanceof String || self instanceof ConsString) {
return (CharSequence)self;
......@@ -1254,7 +1259,7 @@ public final class NativeString extends ScriptObject {
return key >= 0 && key < value.length();
}
private static MethodHandle findWrapFilter() {
return MH.findStatic(MethodHandles.lookup(), NativeString.class, "wrapFilter", MH.type(NativeString.class, Object.class));
private static MethodHandle findOwnMH(final String name, final MethodType type) {
return MH.findStatic(MethodHandles.lookup(), NativeString.class, name, type);
}
}
nashorn/src/jdk/nashorn/internal/objects/NativeSyntaxError.java
浏览文件 @ c2de1264
......@@ -62,13 +62,9 @@ public final class NativeSyntaxError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
NativeSyntaxError(final Object msg, final Global global) {
super(global.getSyntaxErrorPrototype(), getInitialMap());
super(global.getSyntaxErrorPrototype(), $nasgenmap$);
if (msg != UNDEFINED) {
this.instMessage = JSType.toString(msg);
} else {
......
nashorn/src/jdk/nashorn/internal/objects/NativeTypeError.java
浏览文件 @ c2de1264
......@@ -62,13 +62,9 @@ public final class NativeTypeError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
NativeTypeError(final Object msg, final Global global) {
super(global.getTypeErrorPrototype(), getInitialMap());
super(global.getTypeErrorPrototype(), $nasgenmap$);
if (msg != UNDEFINED) {
this.instMessage = JSType.toString(msg);
} else {
......
nashorn/src/jdk/nashorn/internal/objects/NativeURIError.java
浏览文件 @ c2de1264
......@@ -61,13 +61,9 @@ public final class NativeURIError extends ScriptObject {
// initialized by nasgen
private static PropertyMap $nasgenmap$;
static PropertyMap getInitialMap() {
return $nasgenmap$;
}
@SuppressWarnings("LeakingThisInConstructor")
NativeURIError(final Object msg, final Global global) {
super(global.getURIErrorPrototype(), getInitialMap());
super(global.getURIErrorPrototype(), $nasgenmap$);
if (msg != UNDEFINED) {
this.instMessage = JSType.toString(msg);
} else {
......
nashorn/src/jdk/nashorn/internal/objects/PrototypeObject.java
浏览文件 @ c2de1264
......@@ -57,10 +57,6 @@ public class PrototypeObject extends ScriptObject {
map$ = PropertyMap.newMap(properties);
}
static PropertyMap getInitialMap() {
return map$;
}
private PrototypeObject(final Global global, final PropertyMap map) {
super(global.getObjectPrototype(), map != map$? map.addAll(map$) : map$);
}
......
nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java
浏览文件 @ c2de1264
......@@ -55,27 +55,11 @@ public class ScriptFunctionImpl extends ScriptFunction {
// property map for non-strict, non-bound functions.
private static final PropertyMap map$;
static PropertyMap getInitialMap() {
return map$;
}
static PropertyMap getInitialAnonymousMap() {
return AnonymousFunction.getInitialMap();
}
static PropertyMap getInitialStrictMap() {
return strictmodemap$;
}
static PropertyMap getInitialBoundMap() {
return boundfunctionmap$;
}
// Marker object for lazily initialized prototype object
private static final Object LAZY_PROTOTYPE = new Object();
private ScriptFunctionImpl(final String name, final MethodHandle invokeHandle, final MethodHandle[] specs, final Global global) {
super(name, invokeHandle, getInitialMap(), null, specs, false, true, true);
super(name, invokeHandle, map$, null, specs, ScriptFunctionData.IS_BUILTIN_CONSTRUCTOR);
init(global);
}
......@@ -92,7 +76,7 @@ public class ScriptFunctionImpl extends ScriptFunction {
}
private ScriptFunctionImpl(final String name, final MethodHandle invokeHandle, final PropertyMap map, final MethodHandle[] specs, final Global global) {
super(name, invokeHandle, map.addAll(getInitialMap()), null, specs, false, true, true);
super(name, invokeHandle, map.addAll(map$), null, specs, ScriptFunctionData.IS_BUILTIN_CONSTRUCTOR);
init(global);
}
......@@ -109,8 +93,8 @@ public class ScriptFunctionImpl extends ScriptFunction {
this(name, invokeHandle, map, specs, Global.instance());
}
private ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor, final Global global) {
super(name, methodHandle, getMap(global, isStrict), scope, specs, isStrict, isBuiltin, isConstructor);
private ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final int flags, final Global global) {
super(name, methodHandle, getMap(isStrict(flags)), scope, specs, flags);
init(global);
}
......@@ -121,16 +105,14 @@ public class ScriptFunctionImpl extends ScriptFunction {
* @param methodHandle handle for invocation
* @param scope scope object
* @param specs specialized versions of this method, if available, null otherwise
* @param isStrict are we in strict mode
* @param isBuiltin is this a built-in function
* @param isConstructor can the function be used as a constructor (most can; some built-ins are restricted).
* @param flags {@link ScriptFunctionData} flags
*/
ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor) {
this(name, methodHandle, scope, specs, isStrict, isBuiltin, isConstructor, Global.instance());
ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final int flags) {
this(name, methodHandle, scope, specs, flags, Global.instance());
}
private ScriptFunctionImpl(final RecompilableScriptFunctionData data, final ScriptObject scope, final Global global) {
super(data, getMap(global, data.isStrict()), scope);
super(data, getMap(data.isStrict()), scope);
init(global);
}
......@@ -150,7 +132,7 @@ public class ScriptFunctionImpl extends ScriptFunction {
* @param global the global object
*/
ScriptFunctionImpl(final ScriptFunctionData data, final Global global) {
super(data, getInitialBoundMap(), null);
super(data, boundfunctionmap$, null);
init(global);
}
......@@ -173,9 +155,13 @@ public class ScriptFunctionImpl extends ScriptFunction {
return newMap;
}
private static boolean isStrict(final int flags) {
return (flags & ScriptFunctionData.IS_STRICT) != 0;
}
// Choose the map based on strict mode!
private static PropertyMap getMap(final Global global, final boolean strict) {
return strict ? getInitialStrictMap() : getInitialMap();
private static PropertyMap getMap(final boolean strict) {
return strict ? strictmodemap$ : map$;
}
private static PropertyMap createBoundFunctionMap(final PropertyMap strictModeMap) {
......@@ -189,12 +175,8 @@ public class ScriptFunctionImpl extends ScriptFunction {
private static class AnonymousFunction extends ScriptFunctionImpl {
private static final PropertyMap anonmap$ = PropertyMap.newMap();
static PropertyMap getInitialMap() {
return anonmap$;
}
AnonymousFunction(final Global global) {
super("", GlobalFunctions.ANONYMOUS, getInitialAnonymousMap(), null);
super("", GlobalFunctions.ANONYMOUS, anonmap$, null);
}
}
......@@ -211,7 +193,7 @@ public class ScriptFunctionImpl extends ScriptFunction {
* @return new ScriptFunction
*/
static ScriptFunction makeFunction(final String name, final MethodHandle methodHandle, final MethodHandle[] specs) {
final ScriptFunctionImpl func = new ScriptFunctionImpl(name, methodHandle, null, specs, false, true, false);
final ScriptFunctionImpl func = new ScriptFunctionImpl(name, methodHandle, null, specs, ScriptFunctionData.IS_BUILTIN);
func.setPrototype(UNDEFINED);
// Non-constructor built-in functions do not have "prototype" property
func.deleteOwnProperty(func.getMap().findProperty("prototype"));
......
nashorn/src/jdk/nashorn/internal/parser/Parser.java
浏览文件 @ c2de1264
......@@ -1799,6 +1799,7 @@ loop:
case THIS:
final String name = type.getName();
next();
lc.setFlag(lc.getCurrentFunction(), FunctionNode.USES_THIS);
return new IdentNode(primaryToken, finish, name);
case IDENT:
final IdentNode ident = getIdent();
......
nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java
浏览文件 @ c2de1264
......@@ -141,10 +141,12 @@ public final class AccessorProperty extends Property {
private Class<?> currentType;
/**
* Delegate constructor. This is used when adding properties to the Global scope, which
* is necessary for outermost levels in a script (the ScriptObject is represented by
* a JO-prefixed ScriptObject class, but the properties need to be in the Global scope
* and are thus rebound with that as receiver
* Delegate constructor for bound properties. This is used for properties created by
* {@link ScriptRuntime#mergeScope} and the Nashorn {@code Object.bindProperties} method.
* The former is used to add a script's defined globals to the current global scope while
* still storing them in a JO-prefixed ScriptObject class.
*
* <p>All properties created by this constructor have the {@link #IS_BOUND} flag set.</p>
*
* @param property accessor property to rebind
* @param delegate delegate object to rebind receiver to
......@@ -157,6 +159,8 @@ public final class AccessorProperty extends Property {
this.objectGetter = bindTo(property.ensureObjectGetter(), delegate);
this.objectSetter = bindTo(property.ensureObjectSetter(), delegate);
// Properties created this way are bound to a delegate
this.flags |= IS_BOUND;
setCurrentType(property.getCurrentType());
}
......
nashorn/src/jdk/nashorn/internal/runtime/Context.java
浏览文件 @ c2de1264
......@@ -36,6 +36,8 @@ import java.io.IOException;
import java.io.PrintWriter;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.SoftReference;
import java.lang.reflect.Modifier;
import java.net.MalformedURLException;
import java.net.URL;
......@@ -46,6 +48,7 @@ import java.security.CodeSource;
import java.security.Permissions;
import java.security.PrivilegedAction;
import java.security.ProtectionDomain;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import jdk.internal.org.objectweb.asm.ClassReader;
......@@ -153,16 +156,19 @@ public final class Context {
/** Is Context global debug mode enabled ? */
public static final boolean DEBUG = Options.getBooleanProperty("nashorn.debug");
private static final ThreadLocal<ScriptObject> currentGlobal = new ThreadLocal<>();
private static final ThreadLocal<Global> currentGlobal = new ThreadLocal<>();
// class cache
private ClassCache classCache;
/**
* Get the current global scope
* @return the current global scope
*/
public static ScriptObject getGlobal() {
public static Global getGlobal() {
// This class in a package.access protected package.
// Trusted code only can call this method.
return getGlobalTrusted();
return currentGlobal.get();
}
/**
......@@ -171,10 +177,19 @@ public final class Context {
*/
public static void setGlobal(final ScriptObject global) {
if (global != null && !(global instanceof Global)) {
throw new IllegalArgumentException("global is not an instance of Global!");
throw new IllegalArgumentException("not a global!");
}
setGlobal((Global)global);
}
setGlobalTrusted(global);
/**
* Set the current global scope
* @param global the global scope
*/
public static void setGlobal(final Global global) {
// This class in a package.access protected package.
// Trusted code only can call this method.
currentGlobal.set(global);
}
/**
......@@ -195,7 +210,7 @@ public final class Context {
* @return error writer of the current context
*/
public static PrintWriter getCurrentErr() {
final ScriptObject global = getGlobalTrusted();
final ScriptObject global = getGlobal();
return (global != null)? global.getContext().getErr() : new PrintWriter(System.err);
}
......@@ -348,6 +363,11 @@ public final class Context {
this.classPathLoader = null;
}
final int cacheSize = env._class_cache_size;
if (cacheSize > 0) {
classCache = new ClassCache(cacheSize);
}
// print version info if asked.
if (env._version) {
getErr().println("nashorn " + Version.version());
......@@ -395,7 +415,7 @@ public final class Context {
* @return the property map of the current global scope
*/
public static PropertyMap getGlobalMap() {
return Context.getGlobalTrusted().getMap();
return Context.getGlobal().getMap();
}
/**
......@@ -425,7 +445,7 @@ public final class Context {
final String file = (location == UNDEFINED || location == null) ? "<eval>" : location.toString();
final Source source = new Source(file, string);
final boolean directEval = location != UNDEFINED; // is this direct 'eval' call or indirectly invoked eval?
final ScriptObject global = Context.getGlobalTrusted();
final Global global = Context.getGlobal();
ScriptObject scope = initialScope;
......@@ -457,7 +477,7 @@ public final class Context {
// in the caller's environment. A new environment is created!
if (strictFlag) {
// Create a new scope object
final ScriptObject strictEvalScope = ((GlobalObject)global).newObject();
final ScriptObject strictEvalScope = global.newObject();
// bless it as a "scope"
strictEvalScope.setIsScope();
......@@ -582,10 +602,10 @@ public final class Context {
* @throws IOException if source cannot be found or loaded
*/
public Object loadWithNewGlobal(final Object from, final Object...args) throws IOException {
final ScriptObject oldGlobal = getGlobalTrusted();
final ScriptObject newGlobal = AccessController.doPrivileged(new PrivilegedAction<ScriptObject>() {
final Global oldGlobal = getGlobal();
final Global newGlobal = AccessController.doPrivileged(new PrivilegedAction<Global>() {
@Override
public ScriptObject run() {
public Global run() {
try {
return newGlobal();
} catch (final RuntimeException e) {
......@@ -598,17 +618,17 @@ public final class Context {
}, CREATE_GLOBAL_ACC_CTXT);
// initialize newly created Global instance
initGlobal(newGlobal);
setGlobalTrusted(newGlobal);
setGlobal(newGlobal);
final Object[] wrapped = args == null? ScriptRuntime.EMPTY_ARRAY : ScriptObjectMirror.wrapArray(args, oldGlobal);
newGlobal.put("arguments", ((GlobalObject)newGlobal).wrapAsObject(wrapped), env._strict);
newGlobal.put("arguments", newGlobal.wrapAsObject(wrapped), env._strict);
try {
// wrap objects from newGlobal's world as mirrors - but if result
// is from oldGlobal's world, unwrap it!
return ScriptObjectMirror.unwrap(ScriptObjectMirror.wrap(load(newGlobal, from), newGlobal), oldGlobal);
} finally {
setGlobalTrusted(oldGlobal);
setGlobal(oldGlobal);
}
}
......@@ -637,7 +657,7 @@ public final class Context {
* Checks that the given Class can be accessed from no permissions context.
*
* @param clazz Class object
* @throw SecurityException if not accessible
* @throws SecurityException if not accessible
*/
public static void checkPackageAccess(final Class<?> clazz) {
final SecurityManager sm = System.getSecurityManager();
......@@ -654,12 +674,12 @@ public final class Context {
* Checks that the given package name can be accessed from no permissions context.
*
* @param pkgName package name
* @throw SecurityException if not accessible
* @throws SecurityException if not accessible
*/
public static void checkPackageAccess(final String pkgName) {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
checkPackageAccess(sm, pkgName.endsWith(".")? pkgName : pkgName + ".");
checkPackageAccess(sm, pkgName.endsWith(".") ? pkgName : pkgName + ".");
}
}
......@@ -783,7 +803,7 @@ public final class Context {
*
* @return the initialized global scope object.
*/
public ScriptObject createGlobal() {
public Global createGlobal() {
return initGlobal(newGlobal());
}
......@@ -791,7 +811,7 @@ public final class Context {
* Create a new uninitialized global scope object
* @return the global script object
*/
public ScriptObject newGlobal() {
public Global newGlobal() {
return new Global(this);
}
......@@ -801,20 +821,16 @@ public final class Context {
* @param global the global
* @return the initialized global scope object.
*/
public ScriptObject initGlobal(final ScriptObject global) {
if (! (global instanceof GlobalObject)) {
throw new IllegalArgumentException("not a global object!");
}
public Global initGlobal(final Global global) {
// Need only minimal global object, if we are just compiling.
if (!env._compile_only) {
final ScriptObject oldGlobal = Context.getGlobalTrusted();
final Global oldGlobal = Context.getGlobal();
try {
Context.setGlobalTrusted(global);
Context.setGlobal(global);
// initialize global scope with builtin global objects
((GlobalObject)global).initBuiltinObjects();
global.initBuiltinObjects();
} finally {
Context.setGlobalTrusted(oldGlobal);
Context.setGlobal(oldGlobal);
}
}
......@@ -822,30 +838,15 @@ public final class Context {
}
/**
* Trusted variants - package-private
*/
/**
* Return the current global scope
* @return current global scope
*/
static ScriptObject getGlobalTrusted() {
return currentGlobal.get();
}
/**
* Set the current global scope
* Trusted variant - package-private
*/
static void setGlobalTrusted(ScriptObject global) {
currentGlobal.set(global);
}
/**
* Return the current global's context
* @return current global's context
*/
static Context getContextTrusted() {
return Context.getGlobalTrusted().getContext();
return ((ScriptObject)Context.getGlobal()).getContext();
}
/**
......@@ -914,7 +915,7 @@ public final class Context {
}
// Package as a JavaScript function and pass function back to shell.
return ((GlobalObject)Context.getGlobalTrusted()).newScriptFunction(RUN_SCRIPT.symbolName(), runMethodHandle, scope, strict);
return Context.getGlobal().newScriptFunction(RUN_SCRIPT.symbolName(), runMethodHandle, scope, strict);
}
private ScriptFunction compileScript(final Source source, final ScriptObject scope, final ErrorManager errMan) {
......@@ -925,16 +926,10 @@ public final class Context {
// start with no errors, no warnings.
errMan.reset();
GlobalObject global = null;
Class<?> script;
if (env._class_cache_size > 0) {
global = (GlobalObject)Context.getGlobalTrusted();
script = global.findCachedClass(source);
if (script != null) {
Compiler.LOG.fine("Code cache hit for ", source, " avoiding recompile.");
return script;
}
Class<?> script = findCachedClass(source);
if (script != null) {
Compiler.LOG.fine("Code cache hit for ", source, " avoiding recompile.");
return script;
}
final FunctionNode functionNode = new Parser(env, source, errMan, strict).parse();
......@@ -963,10 +958,7 @@ public final class Context {
final FunctionNode newFunctionNode = compiler.compile(functionNode);
script = compiler.install(newFunctionNode);
if (global != null) {
global.cacheClass(source, script);
}
cacheClass(source, script);
return script;
}
......@@ -988,4 +980,60 @@ public final class Context {
private long getUniqueScriptId() {
return uniqueScriptId.getAndIncrement();
}
/**
* Cache for compiled script classes.
*/
@SuppressWarnings("serial")
private static class ClassCache extends LinkedHashMap<Source, ClassReference> {
private final int size;
private final ReferenceQueue<Class<?>> queue;
ClassCache(int size) {
super(size, 0.75f, true);
this.size = size;
this.queue = new ReferenceQueue<>();
}
void cache(final Source source, final Class<?> clazz) {
put(source, new ClassReference(clazz, queue, source));
}
@Override
protected boolean removeEldestEntry(final Map.Entry<Source, ClassReference> eldest) {
return size() > size;
}
@Override
public ClassReference get(Object key) {
for (ClassReference ref; (ref = (ClassReference)queue.poll()) != null; ) {
remove(ref.source);
}
return super.get(key);
}
}
private static class ClassReference extends SoftReference<Class<?>> {
private final Source source;
ClassReference(final Class<?> clazz, final ReferenceQueue<Class<?>> queue, final Source source) {
super(clazz, queue);
this.source = source;
}
}
// Class cache management
private Class<?> findCachedClass(final Source source) {
ClassReference ref = classCache == null ? null : classCache.get(source);
return ref != null ? ref.get() : null;
}
private void cacheClass(final Source source, final Class<?> clazz) {
if (classCache != null) {
classCache.cache(source, clazz);
}
}
}
nashorn/src/jdk/nashorn/internal/runtime/DebuggerSupport.java
浏览文件 @ c2de1264
......@@ -75,7 +75,7 @@ final class DebuggerSupport {
* @return context global.
*/
static Object getGlobal() {
return Context.getGlobalTrusted();
return Context.getGlobal();
}
/**
......@@ -87,7 +87,7 @@ final class DebuggerSupport {
* @return Result of eval as string, or, an exception or null depending on returnException.
*/
static Object eval(final ScriptObject scope, final Object self, final String string, final boolean returnException) {
final ScriptObject global = Context.getGlobalTrusted();
final ScriptObject global = Context.getGlobal();
final ScriptObject initialScope = scope != null ? scope : global;
final Object callThis = self != null ? self : global;
final Context context = global.getContext();
......
nashorn/src/jdk/nashorn/internal/runtime/ECMAErrors.java
浏览文件 @ c2de1264
......@@ -31,6 +31,7 @@ import java.util.ResourceBundle;
import jdk.nashorn.api.scripting.NashornException;
import jdk.nashorn.internal.scripts.JS;
import jdk.nashorn.internal.codegen.CompilerConstants;
import jdk.nashorn.internal.objects.Global;
/**
* Helper class to throw various standard "ECMA error" exceptions such as Error, ReferenceError, TypeError etc.
......@@ -66,7 +67,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException asEcmaException(final ParserException e) {
return asEcmaException(Context.getGlobalTrusted(), e);
return asEcmaException(Context.getGlobal(), e);
}
/**
......@@ -78,11 +79,11 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException asEcmaException(final ScriptObject global, final ParserException e) {
public static ECMAException asEcmaException(final Global global, final ParserException e) {
final JSErrorType errorType = e.getErrorType();
assert errorType != null : "error type for " + e + " was null";
final GlobalObject globalObj = (GlobalObject)global;
final Global globalObj = global;
final String msg = e.getMessage();
// translate to ECMAScript Error object using error type
......@@ -116,7 +117,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException syntaxError(final String msgId, final String... args) {
return syntaxError(Context.getGlobalTrusted(), msgId, args);
return syntaxError(Context.getGlobal(), msgId, args);
}
/**
......@@ -128,7 +129,7 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException syntaxError(final ScriptObject global, final String msgId, final String... args) {
public static ECMAException syntaxError(final Global global, final String msgId, final String... args) {
return syntaxError(global, null, msgId, args);
}
......@@ -142,7 +143,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException syntaxError(final Throwable cause, final String msgId, final String... args) {
return syntaxError(Context.getGlobalTrusted(), cause, msgId, args);
return syntaxError(Context.getGlobal(), cause, msgId, args);
}
/**
......@@ -155,9 +156,9 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException syntaxError(final ScriptObject global, final Throwable cause, final String msgId, final String... args) {
public static ECMAException syntaxError(final Global global, final Throwable cause, final String msgId, final String... args) {
final String msg = getMessage("syntax.error." + msgId, args);
return error(((GlobalObject)global).newSyntaxError(msg), cause);
return error(global.newSyntaxError(msg), cause);
}
/**
......@@ -169,7 +170,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException typeError(final String msgId, final String... args) {
return typeError(Context.getGlobalTrusted(), msgId, args);
return typeError(Context.getGlobal(), msgId, args);
}
/**
......@@ -181,7 +182,7 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException typeError(final ScriptObject global, final String msgId, final String... args) {
public static ECMAException typeError(final Global global, final String msgId, final String... args) {
return typeError(global, null, msgId, args);
}
......@@ -195,7 +196,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException typeError(final Throwable cause, final String msgId, final String... args) {
return typeError(Context.getGlobalTrusted(), cause, msgId, args);
return typeError(Context.getGlobal(), cause, msgId, args);
}
/**
......@@ -208,9 +209,9 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException typeError(final ScriptObject global, final Throwable cause, final String msgId, final String... args) {
public static ECMAException typeError(final Global global, final Throwable cause, final String msgId, final String... args) {
final String msg = getMessage("type.error." + msgId, args);
return error(((GlobalObject)global).newTypeError(msg), cause);
return error(global.newTypeError(msg), cause);
}
/**
......@@ -222,7 +223,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException rangeError(final String msgId, final String... args) {
return rangeError(Context.getGlobalTrusted(), msgId, args);
return rangeError(Context.getGlobal(), msgId, args);
}
/**
......@@ -234,7 +235,7 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException rangeError(final ScriptObject global, final String msgId, final String... args) {
public static ECMAException rangeError(final Global global, final String msgId, final String... args) {
return rangeError(global, null, msgId, args);
}
......@@ -248,7 +249,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException rangeError(final Throwable cause, final String msgId, final String... args) {
return rangeError(Context.getGlobalTrusted(), cause, msgId, args);
return rangeError(Context.getGlobal(), cause, msgId, args);
}
/**
......@@ -261,9 +262,9 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException rangeError(final ScriptObject global, final Throwable cause, final String msgId, final String... args) {
public static ECMAException rangeError(final Global global, final Throwable cause, final String msgId, final String... args) {
final String msg = getMessage("range.error." + msgId, args);
return error(((GlobalObject)global).newRangeError(msg), cause);
return error(global.newRangeError(msg), cause);
}
/**
......@@ -275,7 +276,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException referenceError(final String msgId, final String... args) {
return referenceError(Context.getGlobalTrusted(), msgId, args);
return referenceError(Context.getGlobal(), msgId, args);
}
/**
......@@ -287,7 +288,7 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException referenceError(final ScriptObject global, final String msgId, final String... args) {
public static ECMAException referenceError(final Global global, final String msgId, final String... args) {
return referenceError(global, null, msgId, args);
}
......@@ -301,7 +302,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException referenceError(final Throwable cause, final String msgId, final String... args) {
return referenceError(Context.getGlobalTrusted(), cause, msgId, args);
return referenceError(Context.getGlobal(), cause, msgId, args);
}
/**
......@@ -314,9 +315,9 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException referenceError(final ScriptObject global, final Throwable cause, final String msgId, final String... args) {
public static ECMAException referenceError(final Global global, final Throwable cause, final String msgId, final String... args) {
final String msg = getMessage("reference.error." + msgId, args);
return error(((GlobalObject)global).newReferenceError(msg), cause);
return error(global.newReferenceError(msg), cause);
}
/**
......@@ -328,7 +329,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException uriError(final String msgId, final String... args) {
return uriError(Context.getGlobalTrusted(), msgId, args);
return uriError(Context.getGlobal(), msgId, args);
}
/**
......@@ -340,7 +341,7 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException uriError(final ScriptObject global, final String msgId, final String... args) {
public static ECMAException uriError(final Global global, final String msgId, final String... args) {
return uriError(global, null, msgId, args);
}
......@@ -354,7 +355,7 @@ public final class ECMAErrors {
* @return the resulting {@link ECMAException}
*/
public static ECMAException uriError(final Throwable cause, final String msgId, final String... args) {
return uriError(Context.getGlobalTrusted(), cause, msgId, args);
return uriError(Context.getGlobal(), cause, msgId, args);
}
/**
......@@ -367,9 +368,9 @@ public final class ECMAErrors {
*
* @return the resulting {@link ECMAException}
*/
public static ECMAException uriError(final ScriptObject global, final Throwable cause, final String msgId, final String... args) {
public static ECMAException uriError(final Global global, final Throwable cause, final String msgId, final String... args) {
final String msg = getMessage("uri.error." + msgId, args);
return error(((GlobalObject)global).newURIError(msg), cause);
return error(global.newURIError(msg), cause);
}
/**
......
nashorn/src/jdk/nashorn/internal/runtime/FinalScriptFunctionData.java
浏览文件 @ c2de1264
......@@ -38,31 +38,27 @@ final class FinalScriptFunctionData extends ScriptFunctionData {
/**
* Constructor - used for bind
*
* @param name name
* @param arity arity
* @param functions precompiled code
* @param isStrict strict
* @param isBuiltin builtin
* @param isConstructor constructor
* @param name name
* @param arity arity
* @param functions precompiled code
* @param flags {@link ScriptFunctionData} flags
*/
FinalScriptFunctionData(final String name, int arity, CompiledFunctions functions, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor) {
super(name, arity, isStrict, isBuiltin, isConstructor);
FinalScriptFunctionData(final String name, final int arity, final CompiledFunctions functions, final int flags) {
super(name, arity, flags);
code.addAll(functions);
}
/**
* Constructor - used from ScriptFunction. This assumes that we have code alraedy for the
* Constructor - used from ScriptFunction. This assumes that we have code already for the
* method (typically a native method) and possibly specializations.
*
* @param name name
* @param mh method handle for generic version of method
* @param specs specializations
* @param isStrict strict
* @param isBuiltin builtin
* @param isConstructor constructor
* @param name name
* @param mh method handle for generic version of method
* @param specs specializations
* @param flags {@link ScriptFunctionData} flags
*/
FinalScriptFunctionData(final String name, final MethodHandle mh, final MethodHandle[] specs, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor) {
super(name, arity(mh), isStrict, isBuiltin, isConstructor);
FinalScriptFunctionData(final String name, final MethodHandle mh, final MethodHandle[] specs, final int flags) {
super(name, arity(mh), flags);
addInvoker(mh);
if (specs != null) {
......
nashorn/src/jdk/nashorn/internal/runtime/GlobalObject.java 已删除 100644 → 0
浏览文件 @ 546942fa
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.runtime;
import java.lang.invoke.MethodHandle;
import java.util.concurrent.Callable;
import jdk.internal.dynalink.linker.GuardedInvocation;
import jdk.internal.dynalink.linker.LinkRequest;
import jdk.nashorn.internal.runtime.linker.InvokeByName;
/**
* Runtime interface to the global scope objects.
*/
public interface GlobalObject {
/**
* Is this global of the given Context?
* @param ctxt the context
* @return true if this global belongs to the given Context
*/
public boolean isOfContext(final Context ctxt);
/**
* Does this global belong to a strict Context?
* @return true if this global belongs to a strict Context
*/
public boolean isStrictContext();
/**
* Initialize standard builtin objects like "Object", "Array", "Function" etc.
* as well as our extension builtin objects like "Java", "JSAdapter" as properties
* of the global scope object.
*/
public void initBuiltinObjects();
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newScriptFunction(String, MethodHandle, ScriptObject, boolean)}
*
* @param name function name
* @param handle invocation handle for function
* @param scope the scope
* @param strict are we in strict mode
*
* @return new script function
*/
public ScriptFunction newScriptFunction(String name, MethodHandle handle, ScriptObject scope, boolean strict);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#wrapAsObject(Object)}
*
* @param obj object to wrap
* @return wrapped object
*/
public Object wrapAsObject(Object obj);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#primitiveLookup(LinkRequest, Object)}
*
* @param request the link request for the dynamic call site.
* @param self self reference
*
* @return guarded invocation
*/
public GuardedInvocation primitiveLookup(LinkRequest request, Object self);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newObject()}
*
* @return the new ScriptObject
*/
public ScriptObject newObject();
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#isError(ScriptObject)}
*
* @param sobj to check if it is an error object
* @return true if error object
*/
public boolean isError(ScriptObject sobj);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the error
*/
public ScriptObject newError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newEvalError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the eval error
*/
public ScriptObject newEvalError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newRangeError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the range error
*/
public ScriptObject newRangeError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newReferenceError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the reference error
*/
public ScriptObject newReferenceError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newSyntaxError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the syntax error
*/
public ScriptObject newSyntaxError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newTypeError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the type error
*/
public ScriptObject newTypeError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newURIError(String)}
*
* @param msg the error message
*
* @return the new ScriptObject representing the URI error
*/
public ScriptObject newURIError(String msg);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newGenericDescriptor(boolean, boolean)}
*
* @param configurable is the described property configurable
* @param enumerable is the described property enumerable
*
* @return property descriptor
*/
public PropertyDescriptor newGenericDescriptor(boolean configurable, boolean enumerable);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newDataDescriptor(Object, boolean, boolean, boolean)}
*
* @param value data value
* @param configurable is the described property configurable
* @param enumerable is the described property enumerable
* @param writable is the described property writable
*
* @return property descriptor
*/
public PropertyDescriptor newDataDescriptor(Object value, boolean configurable, boolean enumerable, boolean writable);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#newAccessorDescriptor(Object, Object, boolean, boolean)}
*
* @param get property getter, or null if none
* @param set property setter, or null if none
* @param configurable is the described property configurable
* @param enumerable is the described property enumerable
*
* @return property descriptor
*/
public PropertyDescriptor newAccessorDescriptor(Object get, Object set, boolean configurable, boolean enumerable);
/**
* Wrapper for {@link jdk.nashorn.internal.objects.Global#getDefaultValue(ScriptObject, Class)}
*
* @param sobj script object
* @param typeHint type hint
*
* @return default value
*/
public Object getDefaultValue(ScriptObject sobj, Class<?> typeHint);
/**
* Find the compiled Class for the given script source, if available
*
* @param source Source object of the script
* @return compiled Class object or null
*/
public Class<?> findCachedClass(Source source);
/**
* Put the Source associated Class object in the Source-to-Class cache
*
* @param source Source of the script
* @param clazz compiled Class object for the source
*/
public void cacheClass(Source source, Class<?> clazz);
/**
* Get cached InvokeByName object for the given key
* @param key key to be associated with InvokeByName object
* @param creator if InvokeByName is absent 'creator' is called to make one (lazy init)
* @return InvokeByName object associated with the key.
*/
public InvokeByName getInvokeByName(final Object key, final Callable<InvokeByName> creator);
/**
* Get cached dynamic method handle for the given key
* @param key key to be associated with dynamic method handle
* @param creator if method handle is absent 'creator' is called to make one (lazy init)
* @return dynamic method handle associated with the key.
*/
public MethodHandle getDynamicInvoker(final Object key, final Callable<MethodHandle> creator);
}
nashorn/src/jdk/nashorn/internal/runtime/JSONFunctions.java
浏览文件 @ c2de1264
......@@ -33,6 +33,7 @@ import jdk.nashorn.internal.ir.Node;
import jdk.nashorn.internal.ir.ObjectNode;
import jdk.nashorn.internal.ir.PropertyNode;
import jdk.nashorn.internal.ir.UnaryNode;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.parser.JSONParser;
import jdk.nashorn.internal.parser.TokenType;
import jdk.nashorn.internal.runtime.arrays.ArrayIndex;
......@@ -47,7 +48,7 @@ public final class JSONFunctions {
private static final Object REVIVER_INVOKER = new Object();
private static MethodHandle getREVIVER_INVOKER() {
return ((GlobalObject)Context.getGlobal()).getDynamicInvoker(REVIVER_INVOKER,
return Context.getGlobal().getDynamicInvoker(REVIVER_INVOKER,
new Callable<MethodHandle>() {
@Override
public MethodHandle call() {
......@@ -88,7 +89,7 @@ public final class JSONFunctions {
throw ECMAErrors.syntaxError(e, "invalid.json", e.getMessage());
}
final ScriptObject global = Context.getGlobalTrusted();
final Global global = Context.getGlobal();
Object unfiltered = convertNode(global, node);
return applyReviver(global, unfiltered, reviver);
}
......@@ -98,10 +99,10 @@ public final class JSONFunctions {
// parse helpers
// apply 'reviver' function if available
private static Object applyReviver(final ScriptObject global, final Object unfiltered, final Object reviver) {
private static Object applyReviver(final Global global, final Object unfiltered, final Object reviver) {
if (reviver instanceof ScriptFunction) {
assert global instanceof GlobalObject;
final ScriptObject root = ((GlobalObject)global).newObject();
assert global instanceof Global;
final ScriptObject root = global.newObject();
root.addOwnProperty("", Property.WRITABLE_ENUMERABLE_CONFIGURABLE, unfiltered);
return walk(root, "", (ScriptFunction)reviver);
}
......@@ -138,8 +139,8 @@ public final class JSONFunctions {
}
// Converts IR node to runtime value
private static Object convertNode(final ScriptObject global, final Node node) {
assert global instanceof GlobalObject;
private static Object convertNode(final Global global, final Node node) {
assert global instanceof Global;
if (node instanceof LiteralNode) {
// check for array literal
......@@ -157,7 +158,7 @@ public final class JSONFunctions {
for (final Node elem : elements) {
values[index++] = JSType.toNumber(convertNode(global, elem));
}
return ((GlobalObject)global).wrapAsObject(values);
return global.wrapAsObject(values);
}
final Object[] values = new Object[elements.length];
......@@ -167,14 +168,14 @@ public final class JSONFunctions {
values[index++] = convertNode(global, elem);
}
return ((GlobalObject)global).wrapAsObject(values);
return global.wrapAsObject(values);
}
return ((LiteralNode<?>)node).getValue();
} else if (node instanceof ObjectNode) {
final ObjectNode objNode = (ObjectNode) node;
final ScriptObject object = ((GlobalObject)global).newObject();
final ScriptObject object = global.newObject();
for (final PropertyNode pNode: objNode.getElements()) {
final Node valueNode = pNode.getValue();
......
nashorn/src/jdk/nashorn/internal/runtime/JSType.java
浏览文件 @ c2de1264
......@@ -36,6 +36,7 @@ import java.util.List;
import jdk.internal.dynalink.beans.StaticClass;
import jdk.nashorn.api.scripting.JSObject;
import jdk.nashorn.internal.codegen.CompilerConstants.Call;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.parser.Lexer;
import jdk.nashorn.internal.runtime.arrays.ArrayLikeIterator;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
......@@ -852,7 +853,7 @@ public enum JSType {
* @return the wrapped object
*/
public static Object toScriptObject(final Object obj) {
return toScriptObject(Context.getGlobalTrusted(), obj);
return toScriptObject(Context.getGlobal(), obj);
}
/**
......@@ -865,7 +866,7 @@ public enum JSType {
*
* @return the wrapped object
*/
public static Object toScriptObject(final ScriptObject global, final Object obj) {
public static Object toScriptObject(final Global global, final Object obj) {
if (nullOrUndefined(obj)) {
throw typeError(global, "not.an.object", ScriptRuntime.safeToString(obj));
}
......@@ -874,7 +875,7 @@ public enum JSType {
return obj;
}
return ((GlobalObject)global).wrapAsObject(obj);
return global.wrapAsObject(obj);
}
/**
......@@ -984,7 +985,7 @@ public enum JSType {
if (obj instanceof ScriptObject) {
if (safe) {
final ScriptObject sobj = (ScriptObject)obj;
final GlobalObject gobj = (GlobalObject)Context.getGlobalTrusted();
final Global gobj = Context.getGlobal();
return gobj.isError(sobj) ?
ECMAException.safeToString(sobj) :
sobj.safeToString();
......
nashorn/src/jdk/nashorn/internal/runtime/ListAdapter.java
浏览文件 @ c2de1264
......@@ -34,6 +34,7 @@ import java.util.RandomAccess;
import java.util.concurrent.Callable;
import jdk.nashorn.api.scripting.JSObject;
import jdk.nashorn.api.scripting.ScriptObjectMirror;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
import jdk.nashorn.internal.runtime.linker.InvokeByName;
......@@ -54,7 +55,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
// These add to the back and front of the list
private static final Object PUSH = new Object();
private static InvokeByName getPUSH() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(PUSH,
return Context.getGlobal().getInvokeByName(PUSH,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......@@ -65,7 +66,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
private static final Object UNSHIFT = new Object();
private static InvokeByName getUNSHIFT() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(UNSHIFT,
return Context.getGlobal().getInvokeByName(UNSHIFT,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......@@ -77,7 +78,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
// These remove from the back and front of the list
private static final Object POP = new Object();
private static InvokeByName getPOP() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(POP,
return Context.getGlobal().getInvokeByName(POP,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......@@ -88,7 +89,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
private static final Object SHIFT = new Object();
private static InvokeByName getSHIFT() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(SHIFT,
return Context.getGlobal().getInvokeByName(SHIFT,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......@@ -100,7 +101,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
// These insert and remove in the middle of the list
private static final Object SPLICE_ADD = new Object();
private static InvokeByName getSPLICE_ADD() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(SPLICE_ADD,
return Context.getGlobal().getInvokeByName(SPLICE_ADD,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......@@ -111,7 +112,7 @@ public abstract class ListAdapter extends AbstractList<Object> implements Random
private static final Object SPLICE_REMOVE = new Object();
private static InvokeByName getSPLICE_REMOVE() {
return ((GlobalObject)Context.getGlobal()).getInvokeByName(SPLICE_REMOVE,
return Context.getGlobal().getInvokeByName(SPLICE_REMOVE,
new Callable<InvokeByName>() {
@Override
public InvokeByName call() {
......
nashorn/src/jdk/nashorn/internal/runtime/NativeJavaPackage.java
浏览文件 @ c2de1264
......@@ -35,7 +35,6 @@ import jdk.internal.dynalink.linker.LinkRequest;
import jdk.internal.dynalink.support.Guards;
import jdk.nashorn.internal.lookup.MethodHandleFactory;
import jdk.nashorn.internal.lookup.MethodHandleFunctionality;
import jdk.nashorn.internal.objects.NativeJava;
import jdk.nashorn.internal.objects.annotations.Attribute;
import jdk.nashorn.internal.objects.annotations.Function;
......@@ -52,7 +51,7 @@ import jdk.nashorn.internal.objects.annotations.Function;
* var ArrayList = java.util.ArrayList
* var list = new ArrayList
* </pre>
* You can also use {@link NativeJava#type(Object, Object)} to access Java classes. These two statements are mostly
* You can also use {@link jdk.nashorn.internal.objects.NativeJava#type(Object, Object)} to access Java classes. These two statements are mostly
* equivalent:
* <pre>
* var listType1 = java.util.ArrayList
......
nashorn/src/jdk/nashorn/internal/runtime/ParserException.java
浏览文件 @ c2de1264
......@@ -26,6 +26,7 @@
package jdk.nashorn.internal.runtime;
import jdk.nashorn.api.scripting.NashornException;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.parser.Token;
/**
......@@ -110,7 +111,7 @@ public final class ParserException extends NashornException {
* Throw this {@code ParserException} as one of the 7 native JavaScript errors
* @param global global scope object
*/
public void throwAsEcmaException(final ScriptObject global) {
public void throwAsEcmaException(final Global global) {
throw ECMAErrors.asEcmaException(global, this);
}
}
......
nashorn/src/jdk/nashorn/internal/runtime/Property.java
浏览文件 @ c2de1264
......@@ -84,9 +84,13 @@ public abstract class Property {
/** Can this property be undefined? */
public static final int CAN_BE_UNDEFINED = 1 << 8;
/* Is this a function declaration property ? */
/** Is this a function declaration property ? */
public static final int IS_FUNCTION_DECLARATION = 1 << 9;
/** Is this property bound to a receiver? This means get/set operations will be delegated to
* a statically defined object instead of the object passed as callsite parameter. */
public static final int IS_BOUND = 1 << 10;
/** Property key. */
private final String key;
......@@ -251,6 +255,16 @@ public abstract class Property {
return (flags & IS_SPILL) == IS_SPILL;
}
/**
* Is this property bound to a receiver? If this method returns {@code true} get and set operations
* will be delegated to a statically bound object instead of the object passed as parameter.
*
* @return true if this is a bound property
*/
public boolean isBound() {
return (flags & IS_BOUND) == IS_BOUND;
}
/**
* Does this property use any slots in the spill array described in
* {@link Property#isSpill}? In that case how many. Currently a property
......
nashorn/src/jdk/nashorn/internal/runtime/RecompilableScriptFunctionData.java
浏览文件 @ c2de1264
......@@ -103,9 +103,7 @@ public final class RecompilableScriptFunctionData extends ScriptFunctionData {
public RecompilableScriptFunctionData(final FunctionNode functionNode, final CodeInstaller<ScriptEnvironment> installer, final String allocatorClassName, final PropertyMap allocatorMap) {
super(functionName(functionNode),
functionNode.getParameters().size(),
functionNode.isStrict(),
false,
true);
getFlags(functionNode));
this.functionNode = functionNode;
this.source = functionNode.getSource();
......@@ -129,10 +127,11 @@ public final class RecompilableScriptFunctionData extends ScriptFunctionData {
final StringBuilder sb = new StringBuilder();
if (source != null) {
sb.append(source.getName())
.append(':')
.append(functionNode.getLineNumber())
.append(' ');
sb.append(source.getName());
if (functionNode != null) {
sb.append(':').append(functionNode.getLineNumber());
}
sb.append(' ');
}
return sb.toString() + super.toString();
......@@ -159,6 +158,20 @@ public final class RecompilableScriptFunctionData extends ScriptFunctionData {
return Token.toDesc(TokenType.FUNCTION, position, length);
}
private static int getFlags(final FunctionNode functionNode) {
int flags = IS_CONSTRUCTOR;
if (functionNode.isStrict()) {
flags |= IS_STRICT;
}
if (functionNode.needsCallee()) {
flags |= NEEDS_CALLEE;
}
if (functionNode.usesThis() || functionNode.hasEval()) {
flags |= USES_THIS;
}
return flags;
}
@Override
ScriptObject allocate(final PropertyMap map) {
try {
......@@ -182,41 +195,42 @@ public final class RecompilableScriptFunctionData extends ScriptFunctionData {
return allocatorMap;
}
@Override
protected void ensureCompiled() {
if (functionNode != null && functionNode.isLazy()) {
Compiler.LOG.info("Trampoline hit: need to do lazy compilation of '", functionNode.getName(), "'");
final Compiler compiler = new Compiler(installer);
functionNode = compiler.compile(functionNode);
assert !functionNode.isLazy();
compiler.install(functionNode);
flags = getFlags(functionNode);
}
}
@Override
protected synchronized void ensureCodeGenerated() {
if (!code.isEmpty()) {
return; // nothing to do, we have code, at least some.
}
if (functionNode.isLazy()) {
Compiler.LOG.info("Trampoline hit: need to do lazy compilation of '", functionNode.getName(), "'");
final Compiler compiler = new Compiler(installer);
functionNode = compiler.compile(functionNode);
assert !functionNode.isLazy();
compiler.install(functionNode);
/*
* We don't need to update any flags - varArgs and needsCallee are instrincic
* in the function world we need to get a destination node from the compile instead
* and replace it with our function node. TODO
*/
}
/*
* We can't get to this program point unless we have bytecode, either from
* eager compilation or from running a lazy compile on the lines above
*/
assert functionNode.hasState(CompilationState.EMITTED) : functionNode.getName() + " " + functionNode.getState() + " " + Debug.id(functionNode);
// code exists - look it up and add it into the automatically sorted invoker list
addCode(functionNode);
if (! functionNode.canSpecialize()) {
// allow GC to claim IR stuff that is not needed anymore
functionNode = null;
installer = null;
}
if (!code.isEmpty()) {
return; // nothing to do, we have code, at least some.
}
ensureCompiled();
/*
* We can't get to this program point unless we have bytecode, either from
* eager compilation or from running a lazy compile on the lines above
*/
assert functionNode.hasState(CompilationState.EMITTED) : functionNode.getName() + " " + functionNode.getState() + " " + Debug.id(functionNode);
// code exists - look it up and add it into the automatically sorted invoker list
addCode(functionNode);
if (! functionNode.canSpecialize()) {
// allow GC to claim IR stuff that is not needed anymore
functionNode = null;
installer = null;
}
}
private MethodHandle addCode(final FunctionNode fn) {
......
nashorn/src/jdk/nashorn/internal/runtime/ScriptFunction.java
浏览文件 @ c2de1264
......@@ -38,6 +38,7 @@ import jdk.internal.dynalink.linker.GuardedInvocation;
import jdk.internal.dynalink.linker.LinkRequest;
import jdk.nashorn.internal.codegen.CompilerConstants.Call;
import jdk.nashorn.internal.lookup.MethodHandleFactory;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor;
import jdk.nashorn.internal.runtime.linker.NashornGuards;
......@@ -66,6 +67,8 @@ public abstract class ScriptFunction extends ScriptObject {
private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", Object.class, Object.class);
private static final MethodHandle GLOBALFILTER = findOwnMH("globalFilter", Object.class, Object.class);
/** method handle to scope getter for this ScriptFunction */
public static final Call GET_SCOPE = virtualCallNoLookup(ScriptFunction.class, "getScope", ScriptObject.class);
......@@ -91,9 +94,7 @@ public abstract class ScriptFunction extends ScriptObject {
* @param map property map
* @param scope scope
* @param specs specialized version of this function - other method handles
* @param strict is this a strict mode function?
* @param builtin is this a built in function?
* @param isConstructor is this a constructor?
* @param flags {@link ScriptFunctionData} flags
*/
protected ScriptFunction(
final String name,
......@@ -101,11 +102,9 @@ public abstract class ScriptFunction extends ScriptObject {
final PropertyMap map,
final ScriptObject scope,
final MethodHandle[] specs,
final boolean strict,
final boolean builtin,
final boolean isConstructor) {
final int flags) {
this(new FinalScriptFunctionData(name, methodHandle, specs, strict, builtin, isConstructor), map, scope);
this(new FinalScriptFunctionData(name, methodHandle, specs, flags), map, scope);
}
/**
......@@ -477,7 +476,14 @@ public abstract class ScriptFunction extends ScriptObject {
if (obj instanceof ScriptObject || !ScriptFunctionData.isPrimitiveThis(obj)) {
return obj;
}
return ((GlobalObject)Context.getGlobalTrusted()).wrapAsObject(obj);
return Context.getGlobal().wrapAsObject(obj);
}
@SuppressWarnings("unused")
private static Object globalFilter(final Object object) {
// replace whatever we get with the current global object
return Context.getGlobal();
}
/**
......@@ -495,11 +501,11 @@ public abstract class ScriptFunction extends ScriptObject {
@Override
protected GuardedInvocation findCallMethod(final CallSiteDescriptor desc, final LinkRequest request) {
final MethodType type = desc.getMethodType();
final boolean scopeCall = NashornCallSiteDescriptor.isScope(desc);
if (request.isCallSiteUnstable()) {
// (this, callee, args...) => (this, callee, args[])
final MethodHandle collector = MH.asCollector(ScriptRuntime.APPLY.methodHandle(), Object[].class,
type.parameterCount() - 2);
// (callee, this, args...) => (callee, this, args[])
final MethodHandle collector = MH.asCollector(ScriptRuntime.APPLY.methodHandle(), Object[].class, type.parameterCount() - 2);
// If call site is statically typed to take a ScriptFunction, we don't need a guard, otherwise we need a
// generic "is this a ScriptFunction?" guard.
......@@ -510,17 +516,12 @@ public abstract class ScriptFunction extends ScriptObject {
MethodHandle boundHandle;
MethodHandle guard = null;
final boolean scopeCall = NashornCallSiteDescriptor.isScope(desc);
if (data.needsCallee()) {
final MethodHandle callHandle = getBestInvoker(type, request.getArguments());
if (scopeCall) {
if (scopeCall && needsWrappedThis()) {
// Make a handle that drops the passed "this" argument and substitutes either Global or Undefined
// (callee, this, args...) => (callee, args...)
boundHandle = MH.insertArguments(callHandle, 1, needsWrappedThis() ? Context.getGlobalTrusted() : ScriptRuntime.UNDEFINED);
// (callee, args...) => (callee, [this], args...)
boundHandle = MH.dropArguments(boundHandle, 1, Object.class);
// (callee, this, args...) => (callee, [this], args...)
boundHandle = MH.filterArguments(callHandle, 1, GLOBALFILTER);
} else {
// It's already (callee, this, args...), just what we need
boundHandle = callHandle;
......@@ -531,12 +532,12 @@ public abstract class ScriptFunction extends ScriptObject {
// NOTE: the only built-in named "extend" is NativeJava.extend. As a special-case we're binding the
// current lookup as its "this" so it can do security-sensitive creation of adapter classes.
boundHandle = MH.dropArguments(MH.bindTo(callHandle, desc.getLookup()), 0, Object.class, Object.class);
} else if (scopeCall) {
} else if (scopeCall && needsWrappedThis()) {
// Make a handle that drops the passed "this" argument and substitutes either Global or Undefined
// (this, args...) => (args...)
boundHandle = MH.bindTo(callHandle, needsWrappedThis() ? Context.getGlobalTrusted() : ScriptRuntime.UNDEFINED);
// (args...) => ([callee], [this], args...)
boundHandle = MH.dropArguments(boundHandle, 0, Object.class, Object.class);
// (this, args...) => ([this], args...)
boundHandle = MH.filterArguments(callHandle, 0, GLOBALFILTER);
// ([this], args...) => ([callee], [this], args...)
boundHandle = MH.dropArguments(boundHandle, 0, Object.class);
} else {
// (this, args...) => ([callee], this, args...)
boundHandle = MH.dropArguments(callHandle, 0, Object.class);
......
nashorn/src/jdk/nashorn/internal/runtime/ScriptFunctionData.java
浏览文件 @ c2de1264
......@@ -32,6 +32,7 @@ import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.linker.JavaAdapterFactory;
/**
......@@ -47,33 +48,44 @@ public abstract class ScriptFunctionData {
/** All versions of this function that have been generated to code */
protected final CompiledFunctions code;
private int arity;
private final boolean isStrict;
private final boolean isBuiltin;
/** Function flags */
protected int flags;
private final boolean isConstructor;
private int arity;
private static final MethodHandle NEWFILTER = findOwnMH("newFilter", Object.class, Object.class, Object.class);
private static final MethodHandle BIND_VAR_ARGS = findOwnMH("bindVarArgs", Object[].class, Object[].class, Object[].class);
/** Is this a strict mode function? */
public static final int IS_STRICT = 1 << 0;
/** Is this a built-in function? */
public static final int IS_BUILTIN = 1 << 1;
/** Is this a constructor function? */
public static final int IS_CONSTRUCTOR = 1 << 2;
/** Does this function expect a callee argument? */
public static final int NEEDS_CALLEE = 1 << 3;
/** Does this function make use of the this-object argument? */
public static final int USES_THIS = 1 << 4;
/** Flag for strict or built-in functions */
public static final int IS_STRICT_OR_BUILTIN = IS_STRICT | IS_BUILTIN;
/** Flag for built-in constructors */
public static final int IS_BUILTIN_CONSTRUCTOR = IS_BUILTIN | IS_CONSTRUCTOR;
/** Flag for strict constructors */
public static final int IS_STRICT_CONSTRUCTOR = IS_STRICT | IS_CONSTRUCTOR;
/**
* Constructor
*
* @param name script function name
* @param arity arity
* @param isStrict is the function strict
* @param isBuiltin is the function built in
* @param isConstructor is the function a constructor
* @param flags the function flags
*/
ScriptFunctionData(final String name, final int arity, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor) {
this.name = name;
this.arity = arity;
this.code = new CompiledFunctions();
this.isStrict = isStrict;
this.isBuiltin = isBuiltin;
this.isConstructor = isConstructor;
ScriptFunctionData(final String name, final int arity, final int flags) {
this.name = name;
this.arity = arity;
this.code = new CompiledFunctions();
this.flags = flags;
}
final int getArity() {
......@@ -105,21 +117,21 @@ public abstract class ScriptFunctionData {
* @return true if strict, false otherwise
*/
public boolean isStrict() {
return isStrict;
return (flags & IS_STRICT) != 0;
}
boolean isBuiltin() {
return isBuiltin;
return (flags & IS_BUILTIN) != 0;
}
boolean isConstructor() {
return isConstructor;
return (flags & IS_CONSTRUCTOR) != 0;
}
boolean needsCallee() {
// we don't know if we need a callee or not unless we are generated
ensureCodeGenerated();
return code.needsCallee();
// we don't know if we need a callee or not unless code has been compiled
ensureCompiled();
return (flags & NEEDS_CALLEE) != 0;
}
/**
......@@ -128,7 +140,7 @@ public abstract class ScriptFunctionData {
* @return true if this argument must be an object
*/
boolean needsWrappedThis() {
return !isStrict && !isBuiltin;
return (flags & USES_THIS) != 0 && (flags & IS_STRICT_OR_BUILTIN) == 0;
}
String toSource() {
......@@ -201,6 +213,15 @@ public abstract class ScriptFunctionData {
//empty
}
/**
* If we can have lazy code generation, this is a hook to ensure that the code has been compiled.
* This does not guarantee the code been installed in this {@code ScriptFunctionData} instance;
* use {@link #ensureCodeGenerated()} to install the actual method handles.
*/
protected void ensureCompiled() {
//empty
}
/**
* Return a generic Object/Object invoker for this method. It will ensure code
* is generated, get the most generic of all versions of this function and adapt it
......@@ -259,6 +280,8 @@ public abstract class ScriptFunctionData {
final Object[] allArgs = args == null ? ScriptRuntime.EMPTY_ARRAY : args;
final int length = args == null ? 0 : args.length;
// Clear the callee and this flags
final int boundFlags = flags & ~NEEDS_CALLEE & ~USES_THIS;
CompiledFunctions boundList = new CompiledFunctions();
if (code.size() == 1) {
......@@ -273,8 +296,7 @@ public abstract class ScriptFunctionData {
boundList.add(bind(inv, fn, self, allArgs));
}
ScriptFunctionData boundData = new FinalScriptFunctionData(name, arity == -1 ? -1 : Math.max(0, arity - length), boundList, isStrict(), isBuiltin(), isConstructor());
return boundData;
return new FinalScriptFunctionData(name, arity == -1 ? -1 : Math.max(0, arity - length), boundList, boundFlags);
}
/**
......@@ -351,11 +373,11 @@ public abstract class ScriptFunctionData {
private Object convertThisObject(final Object thiz) {
if (!(thiz instanceof ScriptObject) && needsWrappedThis()) {
if (JSType.nullOrUndefined(thiz)) {
return Context.getGlobalTrusted();
return Context.getGlobal();
}
if (isPrimitiveThis(thiz)) {
return ((GlobalObject)Context.getGlobalTrusted()).wrapAsObject(thiz);
return Context.getGlobal().wrapAsObject(thiz);
}
}
......
nashorn/src/jdk/nashorn/internal/runtime/ScriptObject.java
浏览文件 @ c2de1264
......@@ -66,6 +66,7 @@ import jdk.nashorn.internal.lookup.Lookup;
import jdk.nashorn.internal.lookup.MethodHandleFactory;
import jdk.nashorn.internal.objects.AccessorPropertyDescriptor;
import jdk.nashorn.internal.objects.DataPropertyDescriptor;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.arrays.ArrayData;
import jdk.nashorn.internal.runtime.arrays.ArrayIndex;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
......@@ -131,7 +132,8 @@ public abstract class ScriptObject implements PropertyAccess {
static final MethodHandle GETPROTO = findOwnMH("getProto", ScriptObject.class);
static final MethodHandle SETPROTOCHECK = findOwnMH("setProtoCheck", void.class, Object.class);
static final MethodHandle MEGAMORPHIC_GET = findOwnMH("megamorphicGet", Object.class, String.class, boolean.class);
static final MethodHandle MEGAMORPHIC_GET = findOwnMH("megamorphicGet", Object.class, String.class, boolean.class, boolean.class);
static final MethodHandle GLOBALFILTER = findOwnMH("globalFilter", Object.class, Object.class);
static final MethodHandle SETFIELD = findOwnMH("setField", void.class, CallSiteDescriptor.class, PropertyMap.class, PropertyMap.class, MethodHandle.class, Object.class, Object.class);
static final MethodHandle SETSPILL = findOwnMH("setSpill", void.class, CallSiteDescriptor.class, PropertyMap.class, PropertyMap.class, int.class, Object.class, Object.class);
......@@ -225,6 +227,7 @@ public abstract class ScriptObject implements PropertyAccess {
final Property oldProp = newMap.findProperty(key);
if (oldProp == null) {
if (property instanceof UserAccessorProperty) {
// Note: we copy accessor functions to this object which is semantically different from binding.
final UserAccessorProperty prop = this.newUserAccessors(key, property.getFlags(), property.getGetterFunction(source), property.getSetterFunction(source));
newMap = newMap.addPropertyNoHistory(prop);
} else {
......@@ -322,18 +325,18 @@ public abstract class ScriptObject implements PropertyAccess {
* @return property descriptor
*/
public final PropertyDescriptor toPropertyDescriptor() {
final GlobalObject global = (GlobalObject) Context.getGlobalTrusted();
final Global global = Context.getGlobal();
final PropertyDescriptor desc;
if (isDataDescriptor()) {
if (has(SET) || has(GET)) {
throw typeError((ScriptObject)global, "inconsistent.property.descriptor");
throw typeError(global, "inconsistent.property.descriptor");
}
desc = global.newDataDescriptor(UNDEFINED, false, false, false);
} else if (isAccessorDescriptor()) {
if (has(VALUE) || has(WRITABLE)) {
throw typeError((ScriptObject)global, "inconsistent.property.descriptor");
throw typeError(global, "inconsistent.property.descriptor");
}
desc = global.newAccessorDescriptor(UNDEFINED, UNDEFINED, false, false);
......@@ -352,7 +355,7 @@ public abstract class ScriptObject implements PropertyAccess {
*
* @return property descriptor
*/
public static PropertyDescriptor toPropertyDescriptor(final ScriptObject global, final Object obj) {
public static PropertyDescriptor toPropertyDescriptor(final Global global, final Object obj) {
if (obj instanceof ScriptObject) {
return ((ScriptObject)obj).toPropertyDescriptor();
}
......@@ -371,7 +374,7 @@ public abstract class ScriptObject implements PropertyAccess {
public Object getOwnPropertyDescriptor(final String key) {
final Property property = getMap().findProperty(key);
final GlobalObject global = (GlobalObject)Context.getGlobalTrusted();
final Global global = Context.getGlobal();
if (property != null) {
final ScriptFunction get = property.getGetterFunction(this);
......@@ -436,7 +439,7 @@ public abstract class ScriptObject implements PropertyAccess {
* @return true if property was successfully defined
*/
public boolean defineOwnProperty(final String key, final Object propertyDesc, final boolean reject) {
final ScriptObject global = Context.getGlobalTrusted();
final Global global = Context.getGlobal();
final PropertyDescriptor desc = toPropertyDescriptor(global, propertyDesc);
final Object current = getOwnPropertyDescriptor(key);
final String name = JSType.toString(key);
......@@ -634,7 +637,7 @@ public abstract class ScriptObject implements PropertyAccess {
final int propFlags = Property.toFlags(pdesc);
if (pdesc.type() == PropertyDescriptor.GENERIC) {
final GlobalObject global = (GlobalObject) Context.getGlobalTrusted();
final Global global = Context.getGlobal();
final PropertyDescriptor dDesc = global.newDataDescriptor(UNDEFINED, false, false, false);
dDesc.fillFrom((ScriptObject)pdesc);
......@@ -974,17 +977,6 @@ public abstract class ScriptObject implements PropertyAccess {
return ObjectClassGenerator.UNDEFINED_DOUBLE;
}
/**
* Get the object value of a property
*
* @param find {@link FindProperty} lookup result
*
* @return the value of the property
*/
protected static Object getObjectValue(final FindProperty find) {
return find.getObjectValue();
}
/**
* Return methodHandle of value function for call.
*
......@@ -995,7 +987,7 @@ public abstract class ScriptObject implements PropertyAccess {
* @return value of property as a MethodHandle or null.
*/
protected MethodHandle getCallMethodHandle(final FindProperty find, final MethodType type, final String bindName) {
return getCallMethodHandle(getObjectValue(find), type, bindName);
return getCallMethodHandle(find.getObjectValue(), type, bindName);
}
/**
......@@ -1019,7 +1011,7 @@ public abstract class ScriptObject implements PropertyAccess {
* @return Value of property.
*/
public final Object getWithProperty(final Property property) {
return getObjectValue(new FindProperty(this, this, property));
return new FindProperty(this, this, property).getObjectValue();
}
/**
......@@ -1158,7 +1150,7 @@ public abstract class ScriptObject implements PropertyAccess {
}
setProto((ScriptObject)newProto);
} else {
final ScriptObject global = Context.getGlobalTrusted();
final Global global = Context.getGlobal();
final Object newProtoObject = JSType.toScriptObject(global, newProto);
if (newProtoObject instanceof ScriptObject) {
......@@ -1248,11 +1240,11 @@ public abstract class ScriptObject implements PropertyAccess {
* @return the default value
*/
public Object getDefaultValue(final Class<?> typeHint) {
// We delegate to GlobalObject, as the implementation uses dynamic call sites to invoke object's "toString" and
// We delegate to Global, as the implementation uses dynamic call sites to invoke object's "toString" and
// "valueOf" methods, and in order to avoid those call sites from becoming megamorphic when multiple contexts
// are being executed in a long-running program, we move the code and their associated dynamic call sites
// (Global.TO_STRING and Global.VALUE_OF) into per-context code.
return ((GlobalObject)Context.getGlobalTrusted()).getDefaultValue(this, typeHint);
return Context.getGlobal().getDefaultValue(this, typeHint);
}
/**
......@@ -1740,7 +1732,7 @@ public abstract class ScriptObject implements PropertyAccess {
protected GuardedInvocation findGetMethod(final CallSiteDescriptor desc, final LinkRequest request, final String operator) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if (request.isCallSiteUnstable() || hasWithScope()) {
return findMegaMorphicGetMethod(desc, name, "getMethod".equals(operator));
return findMegaMorphicGetMethod(desc, name, "getMethod".equals(operator), isScope() && NashornCallSiteDescriptor.isScope(desc));
}
final FindProperty find = findProperty(name, true);
......@@ -1765,9 +1757,8 @@ public abstract class ScriptObject implements PropertyAccess {
final Property property = find.getProperty();
methodHandle = find.getGetter(returnType);
final boolean noGuard = ObjectClassGenerator.OBJECT_FIELDS_ONLY && NashornCallSiteDescriptor.isFastScope(desc) && !property.canChangeType();
// getMap() is fine as we have the prototype switchpoint depending on where the property was found
final MethodHandle guard = noGuard ? null : NashornGuards.getMapGuard(getMap());
// Get the appropriate guard for this callsite and property.
final MethodHandle guard = NashornGuards.getGuard(this, property, desc);
final ScriptObject owner = find.getOwner();
if (methodHandle != null) {
......@@ -1777,31 +1768,32 @@ public abstract class ScriptObject implements PropertyAccess {
}
if (!property.hasGetterFunction(owner)) {
// If not a scope bind to actual prototype as changing prototype will change the property map.
// For scopes we install a filter that replaces the self object with the prototype owning the property.
methodHandle = isScope() ?
addProtoFilter(methodHandle, find.getProtoChainLength()) :
bindTo(methodHandle, owner);
// Add a filter that replaces the self object with the prototype owning the property.
methodHandle = addProtoFilter(methodHandle, find.getProtoChainLength());
}
return new GuardedInvocation(methodHandle, noGuard ? null : getProtoSwitchPoint(name, owner), guard);
return new GuardedInvocation(methodHandle, guard == null ? null : getProtoSwitchPoint(name, owner), guard);
}
assert !NashornCallSiteDescriptor.isFastScope(desc);
return new GuardedInvocation(Lookup.emptyGetter(returnType), getProtoSwitchPoint(name, owner), guard);
}
private static GuardedInvocation findMegaMorphicGetMethod(final CallSiteDescriptor desc, final String name, final boolean isMethod) {
final MethodHandle invoker = MH.insertArguments(MEGAMORPHIC_GET, 1, name, isMethod);
private static GuardedInvocation findMegaMorphicGetMethod(final CallSiteDescriptor desc, final String name,
final boolean isMethod, final boolean isScope) {
final MethodHandle invoker = MH.insertArguments(MEGAMORPHIC_GET, 1, name, isMethod, isScope);
final MethodHandle guard = getScriptObjectGuard(desc.getMethodType());
return new GuardedInvocation(invoker, guard);
}
@SuppressWarnings("unused")
private Object megamorphicGet(final String key, final boolean isMethod) {
private Object megamorphicGet(final String key, final boolean isMethod, final boolean isScope) {
final FindProperty find = findProperty(key, true);
if (find != null) {
return getObjectValue(find);
return find.getObjectValue();
}
if (isScope) {
throw referenceError("not.defined", key);
}
return isMethod ? getNoSuchMethod(key) : invokeNoSuchProperty(key);
......@@ -1996,6 +1988,15 @@ public abstract class ScriptObject implements PropertyAccess {
}
}
@SuppressWarnings("unused")
private static Object globalFilter(final Object object) {
ScriptObject sobj = (ScriptObject) object;
while (sobj != null && !(sobj instanceof Global)) {
sobj = sobj.getProto();
}
return sobj;
}
private static GuardedInvocation findMegaMorphicSetMethod(final CallSiteDescriptor desc, final String name) {
final MethodType type = desc.getMethodType().insertParameterTypes(1, Object.class);
final GuardedInvocation inv = findSetIndexMethod(type, NashornCallSiteDescriptor.isStrict(desc));
......@@ -2041,7 +2042,7 @@ public abstract class ScriptObject implements PropertyAccess {
return noSuchProperty(desc, request);
}
final Object value = getObjectValue(find);
final Object value = find.getObjectValue();
if (! (value instanceof ScriptFunction)) {
return createEmptyGetter(desc, name);
}
......@@ -2067,7 +2068,7 @@ public abstract class ScriptObject implements PropertyAccess {
final boolean scopeAccess = isScope() && NashornCallSiteDescriptor.isScope(desc);
if (find != null) {
final Object value = getObjectValue(find);
final Object value = find.getObjectValue();
ScriptFunction func = null;
MethodHandle methodHandle = null;
......@@ -2102,7 +2103,7 @@ public abstract class ScriptObject implements PropertyAccess {
final FindProperty find = findProperty(NO_SUCH_PROPERTY_NAME, true);
if (find != null) {
final Object func = getObjectValue(find);
final Object func = find.getObjectValue();
if (func instanceof ScriptFunction) {
return ScriptRuntime.apply((ScriptFunction)func, this, name);
......@@ -2124,7 +2125,7 @@ public abstract class ScriptObject implements PropertyAccess {
return invokeNoSuchProperty(name);
}
final Object value = getObjectValue(find);
final Object value = find.getObjectValue();
if (! (value instanceof ScriptFunction)) {
return UNDEFINED;
}
......@@ -2664,7 +2665,7 @@ public abstract class ScriptObject implements PropertyAccess {
final FindProperty find = object.findProperty(key, false, false, this);
if (find != null) {
return getObjectValue(find);
return find.getObjectValue();
}
}
......@@ -2682,7 +2683,7 @@ public abstract class ScriptObject implements PropertyAccess {
final FindProperty find = findProperty(key, true);
if (find != null) {
return getObjectValue(find);
return find.getObjectValue();
}
}
......@@ -2823,7 +2824,15 @@ public abstract class ScriptObject implements PropertyAccess {
throw typeError("object.non.extensible", key, ScriptRuntime.safeToString(this));
}
} else {
spill(key, value);
ScriptObject sobj = this;
// undefined scope properties are set in the global object.
if (isScope()) {
while (sobj != null && !(sobj instanceof Global)) {
sobj = sobj.getProto();
}
assert sobj != null : "no parent global object in scope";
}
sobj.spill(key, value);
}
}
......
nashorn/src/jdk/nashorn/internal/runtime/ScriptRuntime.java
浏览文件 @ c2de1264
......@@ -474,7 +474,7 @@ public final class ScriptRuntime {
* @return {@link WithObject} that is the new scope
*/
public static ScriptObject openWith(final ScriptObject scope, final Object expression) {
final ScriptObject global = Context.getGlobalTrusted();
final Global global = Context.getGlobal();
if (expression == UNDEFINED) {
throw typeError(global, "cant.apply.with.to.undefined");
} else if (expression == null) {
......
nashorn/src/jdk/nashorn/internal/runtime/SetMethodCreator.java
浏览文件 @ c2de1264
......@@ -31,7 +31,6 @@ import static jdk.nashorn.internal.lookup.Lookup.MH;
import java.lang.invoke.MethodHandle;
import jdk.internal.dynalink.CallSiteDescriptor;
import jdk.internal.dynalink.linker.GuardedInvocation;
import jdk.nashorn.internal.codegen.ObjectClassGenerator;
import jdk.nashorn.internal.lookup.Lookup;
import jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor;
import jdk.nashorn.internal.runtime.linker.NashornGuards;
......@@ -104,21 +103,9 @@ final class SetMethodCreator {
* @return the composed guarded invocation that represents the dynamic setter method for the property.
*/
GuardedInvocation createGuardedInvocation() {
return new GuardedInvocation(methodHandle, getGuard());
return new GuardedInvocation(methodHandle, NashornGuards.getGuard(sobj, property, desc));
}
private MethodHandle getGuard() {
return needsNoGuard() ? null : NashornGuards.getMapGuard(getMap());
}
private boolean needsNoGuard() {
return NashornCallSiteDescriptor.isFastScope(desc) &&
(ObjectClassGenerator.OBJECT_FIELDS_ONLY || isPropertyTypeStable());
}
private boolean isPropertyTypeStable() {
return property == null || !property.canChangeType();
}
}
private SetMethod createSetMethod() {
......@@ -153,10 +140,7 @@ final class SetMethodCreator {
final MethodHandle boundHandle;
if (!property.hasSetterFunction(find.getOwner()) && find.isInherited()) {
// Bind or add prototype filter depending on whether this is a scope object.
boundHandle = sobj.isScope() ?
ScriptObject.addProtoFilter(methodHandle, find.getProtoChainLength()):
ScriptObject.bindTo(methodHandle, find.getOwner());
boundHandle = ScriptObject.addProtoFilter(methodHandle, find.getProtoChainLength());
} else {
boundHandle = methodHandle;
}
......@@ -164,8 +148,8 @@ final class SetMethodCreator {
}
private SetMethod createGlobalPropertySetter() {
final ScriptObject global = Context.getGlobalTrusted();
return new SetMethod(ScriptObject.bindTo(global.addSpill(getName()), global), null);
final ScriptObject global = Context.getGlobal();
return new SetMethod(MH.filterArguments(global.addSpill(getName()), 0, ScriptObject.GLOBALFILTER), null);
}
private SetMethod createNewPropertySetter() {
......
nashorn/src/jdk/nashorn/internal/runtime/UserAccessorProperty.java
浏览文件 @ c2de1264
......@@ -34,6 +34,7 @@ import jdk.nashorn.internal.lookup.Lookup;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
import static jdk.nashorn.internal.codegen.CompilerConstants.staticCall;
import jdk.nashorn.internal.objects.Global;
import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
......@@ -73,7 +74,7 @@ public final class UserAccessorProperty extends Property {
private static MethodHandle getINVOKE_UA_GETTER() {
return ((GlobalObject)Context.getGlobal()).getDynamicInvoker(INVOKE_UA_GETTER,
return Context.getGlobal().getDynamicInvoker(INVOKE_UA_GETTER,
new Callable<MethodHandle>() {
@Override
public MethodHandle call() {
......@@ -86,7 +87,7 @@ public final class UserAccessorProperty extends Property {
/** Dynamic invoker for setter */
private static Object INVOKE_UA_SETTER = new Object();
private static MethodHandle getINVOKE_UA_SETTER() {
return ((GlobalObject)Context.getGlobal()).getDynamicInvoker(INVOKE_UA_SETTER,
return Context.getGlobal().getDynamicInvoker(INVOKE_UA_SETTER,
new Callable<MethodHandle>() {
@Override
public MethodHandle call() {
......
nashorn/src/jdk/nashorn/internal/runtime/WithObject.java
浏览文件 @ c2de1264
......@@ -88,6 +88,11 @@ public final class WithObject extends ScriptObject implements Scope {
@Override
public GuardedInvocation lookup(final CallSiteDescriptor desc, final LinkRequest request) {
if (request.isCallSiteUnstable()) {
// Fall back to megamorphic invocation which performs a complete lookup each time without further relinking.
return super.lookup(desc, request);
}
// With scopes can never be observed outside of Nashorn code, so all call sites that can address it will of
// necessity have a Nashorn descriptor - it is safe to cast.
final NashornCallSiteDescriptor ndesc = (NashornCallSiteDescriptor)desc;
......@@ -265,7 +270,7 @@ public final class WithObject extends ScriptObject implements Scope {
}
private static MethodHandle filter(final MethodHandle mh, final MethodHandle filter) {
return MH.filterArguments(mh, 0, filter);
return MH.filterArguments(mh, 0, filter.asType(filter.type().changeReturnType(mh.type().parameterType(0))));
}
/**
......
nashorn/src/jdk/nashorn/internal/runtime/arrays/ArrayData.java
浏览文件 @ c2de1264
......@@ -27,7 +27,7 @@ package jdk.nashorn.internal.runtime.arrays;
import java.lang.invoke.MethodHandle;
import java.nio.ByteBuffer;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.JSType;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
......@@ -399,7 +399,7 @@ public abstract class ArrayData {
*
* @return property descriptor for element
*/
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
public PropertyDescriptor getDescriptor(final Global global, final int index) {
return global.newDataDescriptor(getObject(index), true, true, true);
}
......
nashorn/src/jdk/nashorn/internal/runtime/arrays/ByteBufferArrayData.java
浏览文件 @ c2de1264
......@@ -27,7 +27,7 @@ package jdk.nashorn.internal.runtime.arrays;
import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
import java.nio.ByteBuffer;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
import jdk.nashorn.internal.runtime.ScriptRuntime;
......@@ -60,7 +60,8 @@ final class ByteBufferArrayData extends ArrayData {
*
* @return property descriptor for element
*/
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
@Override
public PropertyDescriptor getDescriptor(final Global global, final int index) {
// make the index properties not configurable
return global.newDataDescriptor(getObject(index), false, true, true);
}
......
nashorn/src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java
浏览文件 @ c2de1264
......@@ -25,9 +25,9 @@
package jdk.nashorn.internal.runtime.arrays;
import jdk.nashorn.internal.objects.Global;
import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
/**
......@@ -44,7 +44,7 @@ final class FrozenArrayFilter extends SealedArrayFilter {
}
@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
public PropertyDescriptor getDescriptor(final Global global, final int index) {
return global.newDataDescriptor(getObject(index), false, true, false);
}
......
nashorn/src/jdk/nashorn/internal/runtime/arrays/SealedArrayFilter.java
浏览文件 @ c2de1264
......@@ -25,9 +25,9 @@
package jdk.nashorn.internal.runtime.arrays;
import jdk.nashorn.internal.objects.Global;
import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
import jdk.nashorn.internal.runtime.GlobalObject;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
/**
......@@ -62,7 +62,7 @@ class SealedArrayFilter extends ArrayFilter {
}
@Override
public PropertyDescriptor getDescriptor(final GlobalObject global, final int index) {
public PropertyDescriptor getDescriptor(final Global global, final int index) {
return global.newDataDescriptor(getObject(index), false, true, true);
}
}
nashorn/src/jdk/nashorn/internal/runtime/linker/JavaAdapterBytecodeGenerator.java
浏览文件 @ c2de1264
......@@ -64,6 +64,7 @@ import jdk.internal.org.objectweb.asm.Label;
import jdk.internal.org.objectweb.asm.Opcodes;
import jdk.internal.org.objectweb.asm.Type;
import jdk.internal.org.objectweb.asm.commons.InstructionAdapter;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptObject;
......@@ -134,6 +135,7 @@ final class JavaAdapterBytecodeGenerator {
static final Type CONTEXT_TYPE = Type.getType(Context.class);
static final Type OBJECT_TYPE = Type.getType(Object.class);
static final Type SCRIPT_OBJECT_TYPE = Type.getType(ScriptObject.class);
static final Type GLOBAL_TYPE = Type.getType(Global.class);
static final String CONTEXT_TYPE_NAME = CONTEXT_TYPE.getInternalName();
static final String OBJECT_TYPE_NAME = OBJECT_TYPE.getInternalName();
......@@ -143,8 +145,10 @@ final class JavaAdapterBytecodeGenerator {
static final String GLOBAL_FIELD_NAME = "global";
static final String SCRIPT_OBJECT_TYPE_DESCRIPTOR = SCRIPT_OBJECT_TYPE.getDescriptor();
static final String GLOBAL_TYPE_DESCRIPTOR = GLOBAL_TYPE.getDescriptor();
static final String SET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.VOID_TYPE, SCRIPT_OBJECT_TYPE);
static final String SET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.VOID_TYPE, GLOBAL_TYPE);
static final String VOID_NOARG_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.VOID_TYPE);
private static final Type SCRIPT_FUNCTION_TYPE = Type.getType(ScriptFunction.class);
......@@ -167,7 +171,7 @@ final class JavaAdapterBytecodeGenerator {
private static final String UNSUPPORTED_OPERATION_TYPE_NAME = UNSUPPORTED_OPERATION_TYPE.getInternalName();
private static final String METHOD_HANDLE_TYPE_DESCRIPTOR = METHOD_HANDLE_TYPE.getDescriptor();
private static final String GET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(SCRIPT_OBJECT_TYPE);
private static final String GET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(GLOBAL_TYPE);
private static final String GET_CLASS_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.getType(Class.class));
// Package used when the adapter can't be defined in the adaptee's package (either because it's sealed, or because
......@@ -259,7 +263,7 @@ final class JavaAdapterBytecodeGenerator {
}
private void generateGlobalFields() {
cw.visitField(ACC_PRIVATE | ACC_FINAL | (classOverride ? ACC_STATIC : 0), GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR, null, null).visitEnd();
cw.visitField(ACC_PRIVATE | ACC_FINAL | (classOverride ? ACC_STATIC : 0), GLOBAL_FIELD_NAME, GLOBAL_TYPE_DESCRIPTOR, null, null).visitEnd();
usedFieldNames.add(GLOBAL_FIELD_NAME);
}
......@@ -363,7 +367,7 @@ final class JavaAdapterBytecodeGenerator {
}
// Assign "global = Context.getGlobal()"
invokeGetGlobalWithNullCheck(mv);
mv.putstatic(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.putstatic(generatedClassName, GLOBAL_FIELD_NAME, GLOBAL_TYPE_DESCRIPTOR);
endInitMethod(mv);
}
......@@ -508,7 +512,7 @@ final class JavaAdapterBytecodeGenerator {
// Assign "this.global = Context.getGlobal()"
mv.visitVarInsn(ALOAD, 0);
invokeGetGlobalWithNullCheck(mv);
mv.putfield(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.putfield(generatedClassName, GLOBAL_FIELD_NAME, GLOBAL_TYPE_DESCRIPTOR);
endInitMethod(mv);
}
......@@ -652,10 +656,10 @@ final class JavaAdapterBytecodeGenerator {
// Load the creatingGlobal object
if(classOverride) {
// If class handle is defined, load the static defining global
mv.getstatic(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.getstatic(generatedClassName, GLOBAL_FIELD_NAME, GLOBAL_TYPE_DESCRIPTOR);
} else {
mv.visitVarInsn(ALOAD, 0);
mv.getfield(generatedClassName, GLOBAL_FIELD_NAME, SCRIPT_OBJECT_TYPE_DESCRIPTOR);
mv.getfield(generatedClassName, GLOBAL_FIELD_NAME, GLOBAL_TYPE_DESCRIPTOR);
}
// stack: [creatingGlobal, handle]
final Label setupGlobal = new Label();
......@@ -674,7 +678,7 @@ final class JavaAdapterBytecodeGenerator {
// stack: [creatingGlobal, creatingGlobal, handle]
// Emit code for switching to the creating global
// ScriptObject currentGlobal = Context.getGlobal();
// Global currentGlobal = Context.getGlobal();
invokeGetGlobal(mv);
mv.dup();
......@@ -744,7 +748,7 @@ final class JavaAdapterBytecodeGenerator {
final Label methodEnd = new Label();
mv.visitLabel(methodEnd);
mv.visitLocalVariable("currentGlobal", SCRIPT_OBJECT_TYPE_DESCRIPTOR, null, setupGlobal, methodEnd, currentGlobalVar);
mv.visitLocalVariable("currentGlobal", GLOBAL_TYPE_DESCRIPTOR, null, setupGlobal, methodEnd, currentGlobalVar);
mv.visitLocalVariable("globalsDiffer", Type.INT_TYPE.getDescriptor(), null, setupGlobal, methodEnd, globalsDifferVar);
if(throwableDeclared) {
......
nashorn/src/jdk/nashorn/internal/runtime/linker/JavaAdapterFactory.java
浏览文件 @ c2de1264
......@@ -48,7 +48,6 @@ import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import jdk.internal.dynalink.beans.StaticClass;
import jdk.internal.dynalink.support.LinkRequestImpl;
import jdk.nashorn.internal.objects.NativeJava;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.ECMAException;
import jdk.nashorn.internal.runtime.ScriptFunction;
......@@ -68,8 +67,8 @@ import jdk.nashorn.internal.runtime.ScriptObject;
* generate the adapter class itself; see its documentation for details about the generated class.
* </p><p>
* You normally don't use this class directly, but rather either create adapters from script using
* {@link NativeJava#extend(Object, Object...)}, using the {@code new} operator on abstract classes and interfaces (see
* {@link NativeJava#type(Object, Object)}), or implicitly when passing script functions to Java methods expecting SAM
* {@link jdk.nashorn.internal.objects.NativeJava#extend(Object, Object...)}, using the {@code new} operator on abstract classes and interfaces (see
* {@link jdk.nashorn.internal.objects.NativeJava#type(Object, Object)}), or implicitly when passing script functions to Java methods expecting SAM
* types.
* </p>
*/
......@@ -337,6 +336,7 @@ public final class JavaAdapterFactory {
private static ProtectionDomain createMinimalPermissionDomain() {
// Generated classes need to have at least the permission to access Nashorn runtime and runtime.linker packages.
final Permissions permissions = new Permissions();
permissions.add(new RuntimePermission("accessClassInPackage.jdk.nashorn.internal.objects"));
permissions.add(new RuntimePermission("accessClassInPackage.jdk.nashorn.internal.runtime"));
permissions.add(new RuntimePermission("accessClassInPackage.jdk.nashorn.internal.runtime.linker"));
return new ProtectionDomain(new CodeSource(null, (CodeSigner[])null), permissions);
......
nashorn/src/jdk/nashorn/internal/runtime/linker/NashornGuards.java
浏览文件 @ c2de1264
......@@ -29,6 +29,11 @@ import static jdk.nashorn.internal.lookup.Lookup.MH;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.ref.WeakReference;
import jdk.internal.dynalink.CallSiteDescriptor;
import jdk.nashorn.internal.codegen.ObjectClassGenerator;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.Property;
import jdk.nashorn.internal.runtime.PropertyMap;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptObject;
......@@ -40,6 +45,7 @@ public final class NashornGuards {
private static final MethodHandle IS_SCRIPTOBJECT = findOwnMH("isScriptObject", boolean.class, Object.class);
private static final MethodHandle IS_SCRIPTFUNCTION = findOwnMH("isScriptFunction", boolean.class, Object.class);
private static final MethodHandle IS_MAP = findOwnMH("isMap", boolean.class, Object.class, PropertyMap.class);
private static final MethodHandle SAME_OBJECT = findOwnMH("sameObject", boolean.class, Object.class, WeakReference.class);
private static final MethodHandle IS_INSTANCEOF_2 = findOwnMH("isInstanceOf2", boolean.class, Object.class, Class.class, Class.class);
// don't create me!
......@@ -74,6 +80,55 @@ public final class NashornGuards {
return MH.insertArguments(IS_MAP, 1, map);
}
/**
* Determine whether the given callsite needs a guard.
* @param property the property, or null
* @param desc the callsite descriptor
* @return true if a guard should be used for this callsite
*/
static boolean needsGuard(final Property property, final CallSiteDescriptor desc) {
return property == null || property.isConfigurable()
|| property.isBound() || !ObjectClassGenerator.OBJECT_FIELDS_ONLY
|| !NashornCallSiteDescriptor.isFastScope(desc) || property.canChangeType();
}
/**
* Get the guard for a property access. This returns an identity guard for non-configurable global properties
* and a map guard for everything else.
*
* @param sobj the first object in the prototype chain
* @param property the property
* @param desc the callsite descriptor
* @return method handle for guard
*/
public static MethodHandle getGuard(final ScriptObject sobj, final Property property, final CallSiteDescriptor desc) {
if (!needsGuard(property, desc)) {
return null;
}
if (NashornCallSiteDescriptor.isScope(desc)) {
if (property != null && property.isBound()) {
// This is a declared top level variables in main script or eval, use identity guard.
return getIdentityGuard(sobj);
}
if (!(sobj instanceof Global) && (property == null || property.isConfigurable())) {
// Undeclared variables in nested evals need stronger guards
return combineGuards(getIdentityGuard(sobj), getMapGuard(sobj.getMap()));
}
}
return getMapGuard(sobj.getMap());
}
/**
* Get a guard that checks referential identity of the current object.
*
* @param sobj the self object
* @return true if same self object instance
*/
public static MethodHandle getIdentityGuard(final ScriptObject sobj) {
return MH.insertArguments(SAME_OBJECT, 1, new WeakReference<>(sobj));
}
/**
* Get a guard that checks if in item is an instance of either of two classes.
*
......@@ -111,6 +166,11 @@ public final class NashornGuards {
return self instanceof ScriptObject && ((ScriptObject)self).getMap() == map;
}
@SuppressWarnings("unused")
private static boolean sameObject(final Object self, final WeakReference<ScriptObject> ref) {
return self == ref.get();
}
@SuppressWarnings("unused")
private static boolean isInstanceOf2(final Object self, final Class<?> class1, final Class<?> class2) {
return class1.isInstance(self) || class2.isInstance(self);
......
nashorn/src/jdk/nashorn/internal/runtime/linker/NashornPrimitiveLinker.java
浏览文件 @ c2de1264
......@@ -37,9 +37,9 @@ import jdk.internal.dynalink.linker.LinkRequest;
import jdk.internal.dynalink.linker.LinkerServices;
import jdk.internal.dynalink.linker.TypeBasedGuardingDynamicLinker;
import jdk.internal.dynalink.support.TypeUtilities;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.runtime.ConsString;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.GlobalObject;
/**
* Internal linker for String, Boolean, and Number objects, only ever used by Nashorn engine and not exposed to other
......@@ -62,7 +62,7 @@ final class NashornPrimitiveLinker implements TypeBasedGuardingDynamicLinker, Gu
final LinkRequest request = origRequest.withoutRuntimeContext(); // Nashorn has no runtime context
final Object self = request.getReceiver();
final GlobalObject global = (GlobalObject) Context.getGlobal();
final Global global = Context.getGlobal();
final NashornCallSiteDescriptor desc = (NashornCallSiteDescriptor) request.getCallSiteDescriptor();
return Bootstrap.asType(global.primitiveLookup(request, self), linkerServices, desc);
......
nashorn/src/jdk/nashorn/internal/runtime/linker/PrimitiveLookup.java
浏览文件 @ c2de1264
......@@ -35,6 +35,7 @@ import jdk.internal.dynalink.linker.LinkRequest;
import jdk.internal.dynalink.support.CallSiteDescriptorFactory;
import jdk.internal.dynalink.support.Guards;
import jdk.nashorn.internal.lookup.Lookup;
import jdk.nashorn.internal.runtime.FindProperty;
import jdk.nashorn.internal.runtime.ScriptObject;
/**
......@@ -61,8 +62,9 @@ public final class PrimitiveLookup {
* type {@code receiverClass}.
*/
public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Class<?> receiverClass,
final ScriptObject wrappedReceiver, final MethodHandle wrapFilter) {
return lookupPrimitive(request, Guards.getInstanceOfGuard(receiverClass), wrappedReceiver, wrapFilter);
final ScriptObject wrappedReceiver, final MethodHandle wrapFilter,
final MethodHandle protoFilter) {
return lookupPrimitive(request, Guards.getInstanceOfGuard(receiverClass), wrappedReceiver, wrapFilter, protoFilter);
}
/**
......@@ -79,7 +81,8 @@ public final class PrimitiveLookup {
* type (that is implied by both {@code guard} and {@code wrappedReceiver}).
*/
public static GuardedInvocation lookupPrimitive(final LinkRequest request, final MethodHandle guard,
final ScriptObject wrappedReceiver, final MethodHandle wrapFilter) {
final ScriptObject wrappedReceiver, final MethodHandle wrapFilter,
final MethodHandle protoFilter) {
final CallSiteDescriptor desc = request.getCallSiteDescriptor();
final String operator = CallSiteDescriptorFactory.tokenizeOperators(desc).get(0);
if ("setProp".equals(operator) || "setElem".equals(operator)) {
......@@ -93,9 +96,23 @@ public final class PrimitiveLookup {
if(desc.getNameTokenCount() > 2) {
final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
if(wrappedReceiver.findProperty(name, true) == null) {
final FindProperty find = wrappedReceiver.findProperty(name, true);
if(find == null) {
// Give up early, give chance to BeanLinker and NashornBottomLinker to deal with it.
return null;
} else if (find.isInherited() && !find.getProperty().hasGetterFunction(find.getOwner())) {
// If property is found in the prototype object bind the method handle directly to
// the proto filter instead of going through wrapper instantiation below.
final ScriptObject proto = wrappedReceiver.getProto();
final GuardedInvocation link = proto.lookup(desc, request);
if (link != null) {
final MethodHandle invocation = link.getInvocation();
final MethodHandle adaptedInvocation = MH.asType(invocation, invocation.type().changeParameterType(0, Object.class));
final MethodHandle method = MH.filterArguments(adaptedInvocation, 0, protoFilter);
final MethodHandle protoGuard = MH.filterArguments(link.getGuard(), 0, protoFilter);
return new GuardedInvocation(method, NashornGuards.combineGuards(guard, protoGuard));
}
}
}
final GuardedInvocation link = wrappedReceiver.lookup(desc, request);
......
nashorn/src/jdk/nashorn/internal/runtime/resources/Messages.properties
浏览文件 @ c2de1264
......@@ -79,6 +79,7 @@ type.error.not.a.function={0} is not a function
type.error.not.a.constructor={0} is not a constructor function
type.error.not.a.file={0} is not a File
type.error.not.a.bytebuffer={0} is not a java.nio.ByteBuffer
type.error.not.an.arraybuffer.in.dataview=First arg to DataView constructor must be an ArrayBuffer
# operations not permitted on undefined
type.error.cant.call.undefined=Cannot call undefined
......@@ -137,6 +138,9 @@ type.error.no.method.matches.args=Can not invoke method {0} with the passed argu
type.error.method.not.constructor=Java method {0} can't be used as a constructor.
type.error.env.not.object=$ENV must be an Object.
type.error.unsupported.java.to.type=Unsupported Java.to target type {0}.
range.error.dataview.constructor.offset=Wrong offset or length in DataView constructor
range.error.dataview.offset=Offset is outside the bounds of the DataView
range.error.inappropriate.array.length=inappropriate array length: {0}
range.error.inappropriate.array.buffer.length=inappropriate array buffer length: {0}
range.error.invalid.fraction.digits=fractionDigits argument to {0} must be in [0, 20]
......
nashorn/src/jdk/nashorn/tools/Shell.java
浏览文件 @ c2de1264
......@@ -42,6 +42,7 @@ import jdk.nashorn.internal.codegen.Compiler;
import jdk.nashorn.internal.ir.FunctionNode;
import jdk.nashorn.internal.ir.debug.ASTWriter;
import jdk.nashorn.internal.ir.debug.PrintVisitor;
import jdk.nashorn.internal.objects.Global;
import jdk.nashorn.internal.parser.Parser;
import jdk.nashorn.internal.runtime.Context;
import jdk.nashorn.internal.runtime.ErrorManager;
......@@ -148,7 +149,7 @@ public class Shell {
return COMMANDLINE_ERROR;
}
final ScriptObject global = context.createGlobal();
final Global global = context.createGlobal();
final ScriptEnvironment env = context.getEnv();
final List<String> files = env.getFiles();
if (files.isEmpty()) {
......@@ -231,8 +232,8 @@ public class Shell {
* @return error code
* @throws IOException when any script file read results in I/O error
*/
private static int compileScripts(final Context context, final ScriptObject global, final List<String> files) throws IOException {
final ScriptObject oldGlobal = Context.getGlobal();
private static int compileScripts(final Context context, final Global global, final List<String> files) throws IOException {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
final ScriptEnvironment env = context.getEnv();
try {
......@@ -281,8 +282,8 @@ public class Shell {
* @return error code
* @throws IOException when any script file read results in I/O error
*/
private int runScripts(final Context context, final ScriptObject global, final List<String> files) throws IOException {
final ScriptObject oldGlobal = Context.getGlobal();
private int runScripts(final Context context, final Global global, final List<String> files) throws IOException {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
if (globalChanged) {
......@@ -339,8 +340,8 @@ public class Shell {
* @return error code
* @throws IOException when any script file read results in I/O error
*/
private static int runFXScripts(final Context context, final ScriptObject global, final List<String> files) throws IOException {
final ScriptObject oldGlobal = Context.getGlobal();
private static int runFXScripts(final Context context, final Global global, final List<String> files) throws IOException {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
if (globalChanged) {
......@@ -389,11 +390,11 @@ public class Shell {
* @return return code
*/
@SuppressWarnings("resource")
private static int readEvalPrint(final Context context, final ScriptObject global) {
private static int readEvalPrint(final Context context, final Global global) {
final String prompt = bundle.getString("shell.prompt");
final BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
final PrintWriter err = context.getErr();
final ScriptObject oldGlobal = Context.getGlobal();
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
final ScriptEnvironment env = context.getEnv();
......
nashorn/test/script/basic/JDK-8034055.js 0 → 100644
浏览文件 @ c2de1264
/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* JDK-8034055: delete on global object not properly guarded
*
* @test
* @run
*/
var global = this;
var x;
function test(defineGlobals) {
if (defineGlobals) {
global.x = 1;
global.y = 2;
}
try {
print(x);
print(y);
} catch (e) {
print(e);
} finally {
print(delete global.x);
print(delete global.y);
}
}
// Repeatedly set and delete global variables
test(true);
test(false);
test(true);
test(false);
nashorn/test/script/basic/JDK-8034055.js.EXPECTED 0 → 100644
浏览文件 @ c2de1264
1
2
false
true
1
ReferenceError: "y" is not defined
false
true
1
2
false
true
1
ReferenceError: "y" is not defined
false
true
nashorn/test/script/basic/dataview_endian.js 0 → 100644
浏览文件 @ c2de1264
/*
* Copyright (c) 2014, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* JDK-8015958: DataView constructor is not defined
*
* @test
* @run
*/
// set/get endianess checks
var buffer = new ArrayBuffer(4);
var dv = new DataView(buffer);
// write (default) big endian, read big/little endian
dv.setUint16(0, 0xABCD);
Assert.assertEquals(dv.getUint16(0), 0xABCD);
Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
// write little endian, read big/little endian
dv.setUint16(0, 0xABCD, true);
Assert.assertEquals(dv.getUint16(0), 0xCDAB);
Assert.assertEquals(dv.getUint16(0, false), 0xCDAB);
Assert.assertEquals(dv.getUint16(0, true), 0xABCD);
// write explicit big endian, read big/little endian
dv.setUint16(0, 0xABCD, false);
Assert.assertEquals(dv.getUint16(0), 0xABCD);
Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
// write (default) big endian, read big/little endian
dv.setUint32(0, 0xABCDEF89);
Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);
// write little endian, read big/little endian
dv.setUint32(0, 0xABCDEF89, true);
Assert.assertEquals(dv.getUint32(0), 0x89EFCDAB);
Assert.assertEquals(dv.getUint32(0, false), 0x89EFCDAB);
Assert.assertEquals(dv.getUint32(0, true), 0xABCDEF89);
// write explicit big endian, read big/little endian
dv.setUint32(0, 0xABCDEF89, false);
Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);
nashorn/test/script/basic/dataview_getset.js 0 → 100644
浏览文件 @ c2de1264
/*
* Copyright (c) 2014, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* JDK-8015958: DataView constructor is not defined
*
* @test
* @run
*/
// checking get/set of values of various types
// Also basic endianess check.
var Float = Java.type("java.lang.Float");
var Double = Java.type("java.lang.Double");
var DOUBLE_MIN = Double.MIN_VALUE;
var DOUBLE_MIN_NORMAL = Double.MIN_NORMAL;
var FLOAT_MIN = Float.MIN_VALUE;
var FLOAT_MIN_NORMAL = Float.MIN_NORMAL;
var buffer = new ArrayBuffer(12);
var dv = new DataView(buffer);
dv.setInt8(1, 123);
Assert.assertEquals(dv.getInt8(1), 123);
dv.setInt8(1, 123, true);
Assert.assertEquals(dv.getInt8(1, true), 123);
dv.setUint8(1, 255);
Assert.assertEquals(dv.getUint8(1), 255);
dv.setUint8(1, 255, true);
Assert.assertEquals(dv.getUint8(1, true), 255);
dv.setInt16(1, 1234);
Assert.assertEquals(dv.getInt16(1), 1234);
dv.setInt16(1, 1234, true);
Assert.assertEquals(dv.getInt16(1, true), 1234);
dv.setUint16(1, 65535);
Assert.assertEquals(dv.getUint16(1), 65535);
dv.setUint16(1, 65535, true);
Assert.assertEquals(dv.getUint16(1, true), 65535);
dv.setInt32(1, 1234);
Assert.assertEquals(dv.getInt32(1), 1234);
dv.setInt32(1, 1234, true);
Assert.assertEquals(dv.getInt32(1, true), 1234);
dv.setUint32(1, 4294967295);
Assert.assertEquals(dv.getUint32(1), 4294967295);
dv.setUint32(1, 4294967295, true);
Assert.assertEquals(dv.getUint32(1, true), 4294967295);
dv.setFloat64(1, Math.PI);
Assert.assertEquals(dv.getFloat64(1), Math.PI, DOUBLE_MIN);
dv.setFloat64(1, Math.PI, true);
Assert.assertEquals(dv.getFloat64(1, true), Math.PI, DOUBLE_MIN);
dv.setFloat64(1, DOUBLE_MIN_NORMAL);
Assert.assertEquals(dv.getFloat64(1), DOUBLE_MIN_NORMAL, DOUBLE_MIN);
dv.setFloat64(1, DOUBLE_MIN_NORMAL, true);
Assert.assertEquals(dv.getFloat64(1, true), DOUBLE_MIN_NORMAL, DOUBLE_MIN);
dv.setFloat32(1, 1.414);
Assert["assertEquals(float, float, float)"](dv.getFloat32(1), 1.414, FLOAT_MIN);
dv.setFloat32(1, 1.414, true);
Assert["assertEquals(float, float, float)"](dv.getFloat32(1, true), 1.414, FLOAT_MIN);
dv.setFloat32(1, FLOAT_MIN_NORMAL);
Assert["assertEquals(float, float, float)"](dv.getFloat32(1), FLOAT_MIN_NORMAL, FLOAT_MIN);
dv.setFloat32(1, FLOAT_MIN_NORMAL, true);
Assert["assertEquals(float, float, float)"](dv.getFloat32(1, true), FLOAT_MIN_NORMAL, FLOAT_MIN);
nashorn/test/script/basic/dataview_new.js 0 → 100644
浏览文件 @ c2de1264
此差异已折叠。
nashorn/test/src/jdk/nashorn/api/scripting/resources/func.js 0 → 100644
浏览文件 @ c2de1264
/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// This script is loaded from jdk.nashorn.api.scripting.ScopeTest to test script class sharing and reuse.
var scopeVar = 1;
var global = this;
undefGlobal = this;
function scopeTest() {
if (this !== global) {
throw new Error("this !== global");
}
if (this !== undefGlobal) {
throw new Error("this !== undefinedGlobal")
}
return scopeVar;
}
scopeTest();
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