6930508: Passing nested class names on javac command line interfere with...

6930508: Passing nested class names on javac command line interfere with subsequent name -> class lookup
Reviewed-by: darcy

src/share/classes/com/sun/tools/javac/main/JavaCompiler.java

@@ -638,6 +638,19 @@ public class JavaCompiler implements ClassReader.SourceCompleter {
         }
     }
 
+    /** Resolve an identifier which may be the binary name of a class or
+     * the Java name of a class or package.
+     * @param name      The name to resolve
+     */
+    public Symbol resolveBinaryNameOrIdent(String name) {
+        try {
+            Name flatname = names.fromString(name.replace("/", "."));
+            return reader.loadClass(flatname);
+        } catch (CompletionFailure ignore) {
+            return resolveIdent(name);
+        }
+    }
+
     /** Resolve an identifier.
      * @param name      The identifier to resolve
      */
@@ -1058,7 +1071,7 @@ public class JavaCompiler implements ClassReader.SourceCompleter {
                 } else {
                     boolean errors = false;
                     for (String nameStr : classnames) {
-                        Symbol sym = resolveIdent(nameStr);
+                        Symbol sym = resolveBinaryNameOrIdent(nameStr);
                         if (sym == null || (sym.kind == Kinds.PCK && !processPcks)) {
                             log.error("proc.cant.find.class", nameStr);
                             errors = true;

test/tools/javac/processing/model/element/TestAnonClassNames.java

 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2011, 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
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 6449781
+ * @bug 6449781 6930508
  * @summary Test that reported names of anonymous classes are non-null.
  * @author  Joseph D. Darcy
  * @library ../../../lib
@@ -93,6 +93,7 @@ public class TestAnonClassNames {
             TestAnonClassNames.class,
         };
 
+        List<String> names = new ArrayList<String>();
         for(Class<?> clazz : classes) {
             String name = clazz.getName();
             Nesting anno = clazz.getAnnotation(Nesting.class);
@@ -100,7 +101,14 @@ public class TestAnonClassNames {
                               clazz.getName(),
                               anno == null ? "(unset/ANONYMOUS)" : anno.value());
             testClassName(name);
+            names.add(name);
         }
+
+        // test all names together
+        testClassNames(names);
+
+        if (errors > 0)
+            throw new RuntimeException(errors + " errors occurred");
     }
 
     /**
@@ -109,15 +117,23 @@ public class TestAnonClassNames {
      * input classes are modeled as elements.
      */
     static void testClassName(String className) {
-        JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
-        List<String> classNames = new ArrayList<String>();
-        classNames.add(className);
+        testClassNames(Arrays.asList(className));
+    }
+
+    /**
+     * Perform annotation processing on a list of class file names and verify
+     * the existence of different flavors of class names when the
+     * input classes are modeled as elements.
+     */
+    static void testClassNames(List<String> classNames) {
+        System.out.println("test: " + classNames);
 
         List<String> options = new ArrayList<String>();
         options.add("-proc:only");
         options.add("-classpath");
         options.add(System.getProperty("test.classes"));
 
+        JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
         JavaCompiler.CompilationTask compileTask =
             javaCompiler.getTask(null, // Output
                                  null, // File manager
@@ -130,9 +146,16 @@ public class TestAnonClassNames {
         compileTask.setProcessors(processors);
         Boolean goodResult = compileTask.call();
         if (!goodResult) {
-            throw new RuntimeException("Errors found during compile.");
+            error("Errors found during compile.");
         }
     }
+
+    static int errors = 0;
+
+    static void error(String msg) {
+        System.out.println("Error: " + msg);
+        errors++;
+    }
 }
 
 @Retention(RUNTIME)

test/tools/javac/processing/options/testCommandLineClasses/Test.java

+/*
+ * Copyright (c) 2011, 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.
+ */
+
+/*
+ * @test
+ * @bug 6930508
+ * @summary Passing nested class names on javac command line interfere with subsequent name -> class lookup
+ * @library ../../../lib
+ * @build JavacTestingAbstractProcessor p.NestedExamples Test
+ * @run main Test
+ */
+
+import java.io.*;
+import java.util.*;
+import javax.annotation.processing.RoundEnvironment;
+import javax.lang.model.element.TypeElement;
+import javax.lang.model.util.ElementFilter;
+import javax.tools.*;
+
+import p.NestedExamples;
+
+public class Test extends JavacTestingAbstractProcessor {
+    public static void main(String... args) throws Exception {
+        new Test().run();
+    }
+
+    void run() throws Exception {
+        NestedExamples e = new NestedExamples();
+        List<String> names = getNames(e.getClasses());
+        test(names);
+        test(reverse(names));
+        names = Arrays.asList(e.getClassNames());
+        test(names);
+        test(reverse(names));
+
+        if (errors > 0)
+            throw new RuntimeException(errors + " errors occurred");
+    }
+
+    List<String> getNames(Class<?>[] classes) {
+        List<String> names = new ArrayList<String>();
+        for (Class<?> c: classes)
+            names.add(c.getName());
+        return names;
+    }
+
+    void test(List<String> names) throws Exception {
+        System.err.println("test: " + names);
+        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+        StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
+        File testClasses = new File(System.getProperty("test.classes"));
+        fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(testClasses));
+        JavaCompiler.CompilationTask task = compiler.getTask(
+                null, null, null, Arrays.asList("-proc:only"), names, null);
+        task.setProcessors(Arrays.asList(new Test()));
+        boolean ok = task.call();
+        if (!ok)
+            error("compilation failed");
+        System.err.println();
+    }
+
+    <T> List<T> reverse(List<T> list) {
+        List<T> newList = new ArrayList<T>(list);
+        Collections.reverse(newList);
+        return newList;
+    }
+
+    int errors = 0;
+
+    void error(String msg) {
+        System.out.println("Error: " + msg);
+        errors++;
+    }
+
+    //----------
+
+    public boolean process(Set<? extends TypeElement> annotations,
+                           RoundEnvironment roundEnv) {
+        if (!roundEnv.processingOver()) {
+            for (TypeElement typeElt : ElementFilter.typesIn(roundEnv.getRootElements())) {
+                messager.printMessage(Diagnostic.Kind.NOTE, "processing " + typeElt);
+            }
+        }
+        return true;
+    }
+}

test/tools/javac/processing/options/testCommandLineClasses/p/NestedExamples.java

+/*
+ * Copyright (c) 2011, 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.
+ */
+
+package p;
+
+public class NestedExamples {
+    static class MemberClass1 { }
+
+    class MemberClass2 { }
+
+    class Win$$AtVegas { } // Class with funny name.
+
+    public Class<?>[] getClasses() {
+        class LocalClass { }
+
+        Object o = new Object() { // An anonymous class
+            @Override
+            public String toString() {
+                return "I have no name!";
+            }
+        };
+
+        return new Class<?>[] {
+            NestedExamples.class,
+            MemberClass1.class,
+            MemberClass2.class,
+            Win$$AtVegas.class,
+            LocalClass.class,
+            o.getClass()
+        };
+    }
+
+    public String[] getClassNames() {
+        return new String[] {
+            "p.NestedExamples",
+            "p.NestedExamples.MemberClass1",
+            "p.NestedExamples.MemberClass2",
+            "p.NestedExamples.Win$$AtVegas"
+        };
+    }
+}
+
+