Example usage for org.objectweb.asm MethodVisitor visitEnd

List of usage examples for org.objectweb.asm MethodVisitor visitEnd

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Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitEnd.

Prototype

public void visitEnd()

Source Link

Document

Visits the end of the method.

Usage

From source file:dijkstra.gen.DijkstraCodeGenerator.java

License:Open Source License

public byte[] visit(FunctionDeclarationNode funDeclNode) {
    if (processingClassFields) {
        return null;
    }//from   w ww  .  j  a  v  a  2  s .  c  om
    final String methodName = funDeclNode.getIDNode().getName();
    final StringBuilder sig = new StringBuilder();
    sig.append('(');
    for (IDNode param : funDeclNode.getParamList()) {
        if (param.getType() == DijkstraType.INT) {
            sig.append('J');
        } else if (param.getType() == DijkstraType.FLOAT) {
            sig.append('D');
        } else {
            sig.append('Z');
        }
    }
    sig.append(')');
    sig.append("[Ljava/lang/Object;");

    if (inClass) {
        mvStack.push(cw.visitMethod(ACC_PUBLIC, methodName, sig.toString(), null, null));
    } else {
        mvStack.push(cw.visitMethod(ACC_PUBLIC + ACC_STATIC, methodName, sig.toString(), null, null));
    }
    final MethodVisitor mv = mvStack.peek();

    JVMInfo.enterScope(inClass);
    // Load the parameters into the JVMInfo so it knows the proper addresses
    for (IDNode param : funDeclNode.getParamList()) {
        param.getAddress();
    }

    mv.visitIntInsn(SIPUSH, funDeclNode.getReturnTypes().size());
    mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
    returnArrayStack.push(new ArraySymbol(null, UNDEFINED));
    mv.visitVarInsn(ASTORE, JVMInfo.getAddressForSymbol(returnArrayStack.peek()));

    mv.visitInsn(ICONST_0);
    returnIndexStack.push(new Symbol(null, UNDEFINED));
    mv.visitVarInsn(ISTORE, JVMInfo.getAddressForSymbol(returnIndexStack.peek()));

    mv.visitCode();
    final Label startLabel = new Label();
    mv.visitLabel(startLabel);

    funDeclNode.getCompoundNode().accept(this);

    returnIndexStack.pop();
    mv.visitVarInsn(ALOAD, JVMInfo.getAddressForSymbol(returnArrayStack.pop()));
    mv.visitInsn(ARETURN);
    final Label endLabel = new Label();
    mv.visitLabel(endLabel);
    int paramLoc = 0;
    for (IDNode param : funDeclNode.getParamList()) {
        if (param.getType() == DijkstraType.INT) {
            mv.visitLocalVariable(param.getName(), "J", null, startLabel, endLabel, paramLoc);
            paramLoc += 2;
        } else if (param.getType() == DijkstraType.FLOAT) {
            mv.visitLocalVariable(param.getName(), "D", null, startLabel, endLabel, paramLoc);
            paramLoc += 2;
        } else {
            mv.visitLocalVariable(param.getName(), "Z", null, startLabel, endLabel, paramLoc);
            paramLoc += 1;
        }
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    JVMInfo.exitScope();
    mvStack.pop();
    return null;
}

From source file:dodola.anole.lib.InstantRunTransform.java

License:Apache License

/**
 * Use asm to generate a concrete subclass of the AppPathLoaderImpl class.
 * It only implements one method ://w ww .  ja  v a2s  .c  om
 * String[] getPatchedClasses();
 * <p>
 * The method is supposed to return the list of classes that were patched in this iteration.
 * This will be used by the InstantRun runtime to load all patched classes and register them
 * as overrides on the original classes.2 class files.
 *
 * @param patchFileContents list of patched class names.
 * @param outputDir         output directory where to generate the .class file in.
 * @return the generated .class files
 */
public static File writePatchFileContents(List<String> patchFileContents, File outputDir) {

    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, IncrementalVisitor.APP_PATCHES_LOADER_IMPL,
            null, IncrementalVisitor.ABSTRACT_PATCHES_LOADER_IMPL, null);

    {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, IncrementalVisitor.ABSTRACT_PATCHES_LOADER_IMPL, "<init>",
                "()V", false);
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getPatchedClasses", "()[Ljava/lang/String;", null, null);
        mv.visitCode();
        mv.visitIntInsn(Opcodes.BIPUSH, patchFileContents.size());
        mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/String");
        for (int index = 0; index < patchFileContents.size(); index++) {
            mv.visitInsn(Opcodes.DUP);
            mv.visitIntInsn(Opcodes.BIPUSH, index);
            mv.visitLdcInsn(patchFileContents.get(index));
            mv.visitInsn(Opcodes.AASTORE);
        }
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(4, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    byte[] classBytes = cw.toByteArray();
    File outputFile = new File(outputDir, IncrementalVisitor.APP_PATCHES_LOADER_IMPL + ".class");
    try {
        Files.createParentDirs(outputFile);
        Files.write(classBytes, outputFile);
        // add the files to the list of files to be processed by subsequent tasks.
        return outputFile;
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
}

From source file:edu.illinois.nondex.instr.HashMapShufflingAdder.java

License:Open Source License

public void addNextType() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "next" + type,
            "()Ljava/util/HashMap$" + type + ";", "()Ljava/util/HashMap$" + type + "<TK;TV;>;", null);

    mv.visitCode();//from   w  w  w.j  ava 2  s .  c o  m

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/HashMap$HashIterator", "shuffler",
            "Ljava/util/HashMap$HashIterator$HashIteratorShuffler;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/HashMap$HashIterator", "this$0", "Ljava/util/HashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/HashMap", "modCount", "I");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/HashMap$HashIterator$HashIteratorShuffler",
            "next" + type, "(I)Ljava/util/HashMap$" + type + ";", false);
    mv.visitInsn(Opcodes.ARETURN);

    mv.visitMaxs(2, 1);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.HashMapShufflingAdder.java

License:Open Source License

public void addHasNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, "hasNext", "()Z", null, null);

    mv.visitCode();/*  w ww .ja v  a 2s  . co  m*/

    mv.visitVarInsn(Opcodes.ALOAD, 0);

    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/HashMap$HashIterator", "shuffler",
            "Ljava/util/HashMap$HashIterator$HashIteratorShuffler;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/HashMap$HashIterator$HashIteratorShuffler", "hasNext",
            "()Z", false);

    mv.visitInsn(Opcodes.IRETURN);

    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.IdentityHashMapShufflingAdder.java

License:Open Source License

public void addNextIndex() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PROTECTED, "nextIndex", "()I", null, null);
    mv.visitCode();/*from   ww  w . ja v a2  s . co m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "modCount", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "expectedModCount",
            "I");
    Label l0 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l0);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ConcurrentModificationException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ConcurrentModificationException", "<init>", "()V",
            false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l0);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/IdentityHashMap$IdentityHashMapIterator", "hasNext",
            "()Z", false);
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNE, l1);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/NoSuchElementException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/NoSuchElementException", "<init>", "()V", false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l1);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "keys",
            "Ljava/util/List;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.DUP);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "idx", "I");
    mv.visitInsn(Opcodes.DUP_X1);
    mv.visitInsn(Opcodes.ICONST_1);
    mv.visitInsn(Opcodes.IADD);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "idx", "I");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "get", "(I)Ljava/lang/Object;", true);
    mv.visitVarInsn(Opcodes.ASTORE, 1);
    mv.visitInsn(Opcodes.ICONST_0);
    mv.visitVarInsn(Opcodes.ISTORE, 2);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/Object", Opcodes.INTEGER }, 0, null);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table", "[Ljava/lang/Object;");
    mv.visitInsn(Opcodes.ARRAYLENGTH);
    Label l3 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l3);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table", "[Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitInsn(Opcodes.AALOAD);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    Label l4 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ACMPNE, l4);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
            "lastReturnedIndex", "I");
    mv.visitJumpInsn(Opcodes.GOTO, l3);
    mv.visitLabel(l4);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitIincInsn(2, 2);
    mv.visitJumpInsn(Opcodes.GOTO, l2);
    mv.visitLabel(l3);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
            "lastReturnedIndex", "I");
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(5, 3);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.IdentityHashMapShufflingAdder.java

License:Open Source License

public void addHasNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "hasNext", "()Z", null, null);
    mv.visitCode();/*ww w  . j a v a 2 s .co m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "idx", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "order",
            "Ljava/util/List;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "size", "()I", true);
    Label l0 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l0);
    mv.visitInsn(Opcodes.ICONST_1);
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, l1);
    mv.visitLabel(l0);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitInsn(Opcodes.ICONST_0);
    mv.visitLabel(l1);
    mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { Opcodes.INTEGER });
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(2, 1);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.PriorityBlockingQueueShufflingAdder.java

License:Open Source License

public void addToString() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null);
    mv.visitCode();/*from  w  ww  .ja v  a  2  s.com*/
    Label l0 = new Label();
    Label l1 = new Label();
    Label l2 = new Label();
    mv.visitTryCatchBlock(l0, l1, l2, null);
    Label l3 = new Label();
    Label l4 = new Label();
    mv.visitTryCatchBlock(l3, l4, l2, null);
    Label l5 = new Label();
    mv.visitTryCatchBlock(l2, l5, l2, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "lock",
            "Ljava/util/concurrent/locks/ReentrantLock;");
    mv.visitVarInsn(Opcodes.ASTORE, 1);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "lock", "()V", false);
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "size", "I");
    mv.visitVarInsn(Opcodes.ISTORE, 2);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitJumpInsn(Opcodes.IFNE, l3);
    mv.visitLdcInsn("[]");
    mv.visitVarInsn(Opcodes.ASTORE, 3);
    mv.visitLabel(l1);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l3);
    mv.visitFrame(Opcodes.F_APPEND, 2,
            new Object[] { "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER }, 0, null);
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/StringBuilder");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
    mv.visitVarInsn(Opcodes.ASTORE, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 91);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "queue",
            "[Ljava/lang/Object;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "[Ljava/lang/Object;", "clone", "()Ljava/lang/Object;", false);
    mv.visitTypeInsn(Opcodes.CHECKCAST, "[Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
            "([Ljava/lang/Object;)[Ljava/lang/Object;", false);
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    mv.visitInsn(Opcodes.ICONST_0);
    mv.visitVarInsn(Opcodes.ISTORE, 5);
    Label l6 = new Label();
    mv.visitLabel(l6);
    mv.visitFrame(Opcodes.F_APPEND, 3,
            new Object[] { "java/lang/StringBuilder", "[Ljava/lang/Object;", Opcodes.INTEGER }, 0, null);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    Label l7 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l7);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitInsn(Opcodes.AALOAD);
    mv.visitVarInsn(Opcodes.ASTORE, 6);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 6);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    Label l8 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ACMPNE, l8);
    mv.visitLdcInsn("(this Collection)");
    Label l9 = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, l9);
    mv.visitLabel(l8);
    mv.visitFrame(Opcodes.F_FULL, 7,
            new Object[] { "java/util/concurrent/PriorityBlockingQueue",
                    "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER, "java/lang/StringBuilder",
                    "[Ljava/lang/Object;", Opcodes.INTEGER, "java/lang/Object" },
            1, new Object[] { "java/lang/StringBuilder" });
    mv.visitVarInsn(Opcodes.ALOAD, 6);
    mv.visitLabel(l9);
    mv.visitFrame(Opcodes.F_FULL, 7,
            new Object[] { "java/util/concurrent/PriorityBlockingQueue",
                    "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER, "java/lang/StringBuilder",
                    "[Ljava/lang/Object;", Opcodes.INTEGER, "java/lang/Object" },
            2, new Object[] { "java/lang/StringBuilder", "java/lang/Object" });
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(Ljava/lang/Object;)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitInsn(Opcodes.ICONST_1);
    mv.visitInsn(Opcodes.ISUB);
    Label l10 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l10);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 44);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitIntInsn(Opcodes.BIPUSH, 32);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitLabel(l10);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitIincInsn(5, 1);
    mv.visitJumpInsn(Opcodes.GOTO, l6);
    mv.visitLabel(l7);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 93);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;",
            false);
    mv.visitVarInsn(Opcodes.ASTORE, 5);
    mv.visitLabel(l4);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 5);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_FULL, 2, new Object[] { "java/util/concurrent/PriorityBlockingQueue",
            "java/util/concurrent/locks/ReentrantLock" }, 1, new Object[] { "java/lang/Throwable" });
    mv.visitVarInsn(Opcodes.ASTORE, 7);
    mv.visitLabel(l5);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 7);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitMaxs(3, 8);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.PriorityQueueShufflingAdder.java

License:Open Source License

public void addNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "next", "()Ljava/lang/Object;", "()TE;", null);
    mv.visitCode();/*w w w  . j  a  v a  2s .  c  om*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "expectedModCount", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "this$0", "Ljava/util/PriorityQueue;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue", "modCount", "I");
    Label l0 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l0);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ConcurrentModificationException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ConcurrentModificationException", "<init>", "()V",
            false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l0);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "iter", "Ljava/util/Iterator;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;", true);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt", "Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.ICONST_M1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "lastRetElt", "Ljava/lang/Object;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(2, 1);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.PriorityQueueShufflingAdder.java

License:Open Source License

public void addHasNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "hasNext", "()Z", null, null);
    mv.visitCode();//from  www .  j  a  v a2 s.c o  m
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "iter", "Ljava/util/Iterator;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z", true);
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

From source file:edu.illinois.nondex.instr.WeakHashMapShufflingAdder.java

License:Open Source License

public void addHasNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "hasNext", "()Z", null, null);
    mv.visitCode();/*from   w w w.  ja v a2  s . c o m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "iter", "Ljava/util/Iterator;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z", true);
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}