Example usage for org.objectweb.asm Opcodes POP

List of usage examples for org.objectweb.asm Opcodes POP

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Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes POP.

Prototype

int POP

To view the source code for org.objectweb.asm Opcodes POP.

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Usage

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.arithmetic.ArithmeticReplaceMethodAdapter.java

License:Open Source License

@Override
protected void handleMutation(Mutation mutation, int opcode) {
    logger.debug("Querying mutation " + mutation);
    List<Mutation> mutations = QueryManager.getMutations(className.replace('/', '.'), methodName + desc,
            mutation.getLineNumber(), mutation.getMutationForLine(), MutationType.ARITHMETIC_REPLACE);
    MutationCode unMutated = new SingleInsnMutationCode(null, opcode);
    List<MutationCode> mutationCode = new ArrayList<MutationCode>();
    for (Mutation m : mutations) {
        if (mutationManager.shouldApplyMutation(m)) {
            final int add = Integer.parseInt(m.getOperatorAddInfo());
            MutationCode mutated = null;
            if (add == REMOVE_LEFT_VALUE_SINGLE || add == REMOVE_RIGHT_VALUE_SINGLE) {

                mutated = new MutationCode(m) {

                    @Override//w ww . j  a va  2  s .  c  o m
                    public void insertCodeBlock(MethodVisitor mv) {
                        if (add == REMOVE_LEFT_VALUE_SINGLE) {
                            mv.visitInsn(Opcodes.SWAP);
                        }
                        mv.visitInsn(Opcodes.POP);
                    }
                };
            } else if (add == REMOVE_LEFT_VALUE_DOUBLE || add == REMOVE_RIGHT_VALUE_DOUBLE) {
                mutated = new MutationCode(m) {

                    @Override
                    public void insertCodeBlock(MethodVisitor mv) {
                        if (add == REMOVE_LEFT_VALUE_DOUBLE) {
                            mv.visitInsn(Opcodes.DUP2_X2);
                            mv.visitInsn(Opcodes.POP2);
                            mv.visitInsn(Opcodes.POP2);
                        } else {
                            mv.visitInsn(Opcodes.POP2);
                        }
                    }
                };
            } else {
                mutated = new SingleInsnMutationCode(m, Integer.parseInt(m.getOperatorAddInfo()));
            }
            mutationCode.add(mutated);
        }
    }
    if (mutationCode.size() > 0) {
        BytecodeTasks.insertIfElse(mv, unMutated, mutationCode.toArray(new MutationCode[0]));
    } else {
        mv.visitInsn(opcode);
    }
}

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.negateJumps.NegateJumpsMethodAdapter.java

License:Open Source License

@Override
protected void handleMutation(Mutation mutation, final Label label, final int opcode) {

    logger.debug("Applying mutation for line: " + getLineNumber());
    MutationCode unMutated = new MutationCode(null) {
        @Override/*w ww .  j a va 2s  .c o m*/
        public void insertCodeBlock(MethodVisitor mv) {
            mv.visitJumpInsn(opcode, label);
        }

    };
    List<Mutation> mutations = QueryManager.getMutations(mutation.getClassName(), mutation.getMethodName(),
            mutation.getLineNumber(), mutation.getMutationForLine(), MutationType.NEGATE_JUMP);
    List<MutationCode> mutationCode = new ArrayList<MutationCode>();
    for (final Mutation m : mutations) {
        if (mutationManager.shouldApplyMutation(m)) {
            MutationCode mutated = new MutationCode(m) {
                @Override
                public void insertCodeBlock(MethodVisitor mv) {
                    int insertOpcode = Integer.parseInt(m.getOperatorAddInfo());
                    if (insertOpcode == POP_ONCE_TRUE) {
                        mv.visitInsn(Opcodes.POP);
                        mv.visitJumpInsn(Opcodes.GOTO, label);
                    } else if (insertOpcode == POP_ONCE_FALSE) {
                        mv.visitInsn(Opcodes.POP);
                    } else if (insertOpcode == POP_TWICE_TRUE) {
                        mv.visitInsn(Opcodes.POP2);
                        mv.visitJumpInsn(Opcodes.GOTO, label);
                    } else if (insertOpcode == POP_TWICE_FALSE) {
                        mv.visitInsn(Opcodes.POP2);
                    } else {
                        mv.visitJumpInsn(insertOpcode, label);
                    }
                }
            };
            mutationCode.add(mutated);
        }
    }
    if (mutationCode.size() > 0) {
        BytecodeTasks.insertIfElse(mv, unMutated, mutationCode.toArray(new MutationCode[0]));
    } else {
        mv.visitJumpInsn(opcode, label);
    }
}

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.removeSystemExit.RemoveSystemExitMethodAdapter.java

License:Open Source License

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
    if (name.equals("exita") && owner.equals("java/lang/System")) {
        logger.info("Replacing System.exit ");

        Label mutationStartLabel = new Label();
        mutationStartLabel.info = new MutationMarker(true);
        mv.visitLabel(mutationStartLabel);

        mv.visitInsn(Opcodes.POP);
        mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
        mv.visitInsn(Opcodes.DUP);/* w  w  w.j ava  2 s .  c o m*/
        mv.visitLdcInsn("Replaced System Exit");
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>",
                "(Ljava/lang/String;)V");
        mv.visitInsn(Opcodes.ATHROW);

        Label mutationEndLabel = new Label();
        mutationEndLabel.info = new MutationMarker(false);
        mv.visitLabel(mutationEndLabel);

    } else {
        super.visitMethodInsn(opcode, owner, name, desc);
    }
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.SimpleInstruction.java

License:Open Source License

@Override
public String toString() {
    switch (getOpcode()) {
    // the not interesting ones:
    case Opcodes.NOP:
        return "NOP";
    // constants:
    case Opcodes.ACONST_NULL:
        return "ACONST_NULL";
    case Opcodes.ICONST_M1:
        return "ICONST_M1";
    case Opcodes.ICONST_0:
        return "ICONST_0";
    case Opcodes.ICONST_1:
        return "ICONST_1";
    case Opcodes.ICONST_2:
        return "ICONST_2";
    case Opcodes.ICONST_3:
        return "ICONST_3";
    case Opcodes.ICONST_4:
        return "ICONST_4";
    case Opcodes.ICONST_5:
        return "ICONST_5";
    case Opcodes.LCONST_0:
        return "LCONST_0";
    case Opcodes.LCONST_1:
        return "LCONST_1";
    case Opcodes.FCONST_0:
        return "FCONST_0";
    case Opcodes.FCONST_1:
        return "FCONST_1";
    case Opcodes.FCONST_2:
        return "FCONST_2";
    case Opcodes.DCONST_0:
        return "DCONST_0";
    case Opcodes.DCONST_1:
        return "DCONST_1";

    // array load:
    case Opcodes.IALOAD:
        return "IALOAD";
    case Opcodes.LALOAD:
        return "LALOAD";
    case Opcodes.FALOAD:
        return "FALOAD";
    case Opcodes.DALOAD:
        return "DALOAD";
    case Opcodes.AALOAD:
        return "AALOAD";
    case Opcodes.BALOAD:
        return "BALOAD";
    case Opcodes.CALOAD:
        return "CALOAD";
    case Opcodes.SALOAD:
        return "SALOAD";

    // array store:
    case Opcodes.IASTORE:
        return "IASTORE";
    case Opcodes.LASTORE:
        return "LASTORE";
    case Opcodes.FASTORE:
        return "FASTORE";
    case Opcodes.DASTORE:
        return "DASTORE";
    case Opcodes.AASTORE:
        return "AASTORE";
    case Opcodes.BASTORE:
        return "BASTORE";
    case Opcodes.CASTORE:
        return "CASTORE";
    case Opcodes.SASTORE:
        return "SASTORE";

    // stack manipulation:
    case Opcodes.POP:
        return "POP";
    case Opcodes.POP2:
        return "POP2";
    case Opcodes.DUP:
        return "DUP";
    case Opcodes.DUP_X1:
        return "DUP_X1";
    case Opcodes.DUP_X2:
        return "DUP_X2";
    case Opcodes.DUP2:
        return "DUP2";
    case Opcodes.DUP2_X1:
        return "DUP2_X1";
    case Opcodes.DUP2_X2:
        return "DUP2_X2";
    case Opcodes.SWAP:
        return "SWAP";

    // arithmetic:
    case Opcodes.IADD:
        return "IADD";
    case Opcodes.LADD:
        return "LADD";
    case Opcodes.FADD:
        return "FADD";
    case Opcodes.DADD:
        return "DADD";
    case Opcodes.ISUB:
        return "ISUB";
    case Opcodes.LSUB:
        return "LSUB";
    case Opcodes.FSUB:
        return "FSUB";
    case Opcodes.DSUB:
        return "DSUB";
    case Opcodes.IMUL:
        return "IMUL";
    case Opcodes.LMUL:
        return "LMUL";
    case Opcodes.FMUL:
        return "FMUL";
    case Opcodes.DMUL:
        return "DMUL";
    case Opcodes.IDIV:
        return "IDIV";
    case Opcodes.LDIV:
        return "LDIV";
    case Opcodes.FDIV:
        return "FDIV";
    case Opcodes.DDIV:
        return "DDIV";
    case Opcodes.IREM:
        return "IREM";
    case Opcodes.LREM:
        return "LREM";
    case Opcodes.FREM:
        return "FREM";
    case Opcodes.DREM:
        return "DREM";
    case Opcodes.INEG:
        return "INEG";
    case Opcodes.LNEG:
        return "LNEG";
    case Opcodes.FNEG:
        return "FNEG";
    case Opcodes.DNEG:
        return "DNEG";
    case Opcodes.ISHL:
        return "ISHL";
    case Opcodes.LSHL:
        return "LSHL";
    case Opcodes.ISHR:
        return "ISHR";
    case Opcodes.LSHR:
        return "LSHR";
    case Opcodes.IUSHR:
        return "IUSHR";
    case Opcodes.LUSHR:
        return "LUSHR";
    case Opcodes.IAND:
        return "IAND";
    case Opcodes.LAND:
        return "LAND";
    case Opcodes.IOR:
        return "IOR";
    case Opcodes.LOR:
        return "LOR";
    case Opcodes.IXOR:
        return "IXOR";
    case Opcodes.LXOR:
        return "LXOR";

    // type conversions:
    case Opcodes.I2L:
        return "I2L";
    case Opcodes.I2F:
        return "I2F";
    case Opcodes.I2D:
        return "I2D";
    case Opcodes.L2I:
        return "L2I";
    case Opcodes.L2F:
        return "L2F";
    case Opcodes.L2D:
        return "L2D";
    case Opcodes.F2I:
        return "F2I";
    case Opcodes.F2L:
        return "F2L";
    case Opcodes.F2D:
        return "F2D";
    case Opcodes.D2I:
        return "D2I";
    case Opcodes.D2L:
        return "D2L";
    case Opcodes.D2F:
        return "D2F";
    case Opcodes.I2B:
        return "I2B";
    case Opcodes.I2C:
        return "I2C";
    case Opcodes.I2S:
        return "I2S";

    // comparison:
    case Opcodes.LCMP:
        return "LCMP";
    case Opcodes.FCMPL:
        return "FCMPL";
    case Opcodes.FCMPG:
        return "FCMPG";
    case Opcodes.DCMPL:
        return "DCMPL";
    case Opcodes.DCMPG:
        return "DCMPG";

    // control-flow statements:
    case Opcodes.IRETURN:
        return "IRETURN";
    case Opcodes.LRETURN:
        return "LRETURN";
    case Opcodes.FRETURN:
        return "FRETURN";
    case Opcodes.DRETURN:
        return "DRETURN";
    case Opcodes.ARETURN:
        return "ARETURN";
    case Opcodes.RETURN:
        return "RETURN";

    // special things
    case Opcodes.ARRAYLENGTH:
        return "ARRAYLENGTH";
    case Opcodes.ATHROW:
        return "ATHROW";
    case Opcodes.MONITORENTER:
        return "MONITORENTER";
    case Opcodes.MONITOREXIT:
        return "MONITOREXIT";

    default:/*from w ww.j av  a2  s  . c  o  m*/
        assert false;
        return "--ERROR--";
    }
}

From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java

License:BSD License

@Override
public void visitInsn(final int opcode) {
    super.visitInsn(opcode);
    switch (opcode) {
    case Opcodes.IRETURN: // 1 before n/a after
    case Opcodes.FRETURN: // 1 before n/a after
    case Opcodes.ARETURN: // 1 before n/a after
    case Opcodes.ATHROW: // 1 before n/a after
        this.stackFrame.pop();
        break;//from w w  w .  j av  a  2s  . com
    case Opcodes.LRETURN: // 2 before n/a after
    case Opcodes.DRETURN: // 2 before n/a after
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.NOP:
    case Opcodes.LALOAD: // remove 2 add 2
    case Opcodes.DALOAD: // remove 2 add 2
    case Opcodes.LNEG:
    case Opcodes.DNEG:
    case Opcodes.FNEG:
    case Opcodes.INEG:
    case Opcodes.L2D:
    case Opcodes.D2L:
    case Opcodes.F2I:
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
    case Opcodes.I2F:
    case Opcodes.ARRAYLENGTH:
        break;
    case Opcodes.ACONST_NULL:
    case Opcodes.ICONST_M1:
    case Opcodes.ICONST_0:
    case Opcodes.ICONST_1:
    case Opcodes.ICONST_2:
    case Opcodes.ICONST_3:
    case Opcodes.ICONST_4:
    case Opcodes.ICONST_5:
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
    case Opcodes.F2L: // 1 before 2 after
    case Opcodes.F2D:
    case Opcodes.I2L:
    case Opcodes.I2D:
        this.stackFrame.push(OTHER);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        this.stackFrame.push(OTHER);
        this.stackFrame.push(OTHER);
        break;
    case Opcodes.IALOAD: // remove 2 add 1
    case Opcodes.FALOAD: // remove 2 add 1
    case Opcodes.AALOAD: // remove 2 add 1
    case Opcodes.BALOAD: // remove 2 add 1
    case Opcodes.CALOAD: // remove 2 add 1
    case Opcodes.SALOAD: // remove 2 add 1
    case Opcodes.POP:
    case Opcodes.IADD:
    case Opcodes.FADD:
    case Opcodes.ISUB:
    case Opcodes.LSHL: // 3 before 2 after
    case Opcodes.LSHR: // 3 before 2 after
    case Opcodes.LUSHR: // 3 before 2 after
    case Opcodes.L2I: // 2 before 1 after
    case Opcodes.L2F: // 2 before 1 after
    case Opcodes.D2I: // 2 before 1 after
    case Opcodes.D2F: // 2 before 1 after
    case Opcodes.FSUB:
    case Opcodes.FMUL:
    case Opcodes.FDIV:
    case Opcodes.FREM:
    case Opcodes.FCMPL: // 2 before 1 after
    case Opcodes.FCMPG: // 2 before 1 after
    case Opcodes.IMUL:
    case Opcodes.IDIV:
    case Opcodes.IREM:
    case Opcodes.ISHL:
    case Opcodes.ISHR:
    case Opcodes.IUSHR:
    case Opcodes.IAND:
    case Opcodes.IOR:
    case Opcodes.IXOR:
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
        this.stackFrame.pop();
        break;
    case Opcodes.POP2:
    case Opcodes.LSUB:
    case Opcodes.LMUL:
    case Opcodes.LDIV:
    case Opcodes.LREM:
    case Opcodes.LADD:
    case Opcodes.LAND:
    case Opcodes.LOR:
    case Opcodes.LXOR:
    case Opcodes.DADD:
    case Opcodes.DMUL:
    case Opcodes.DSUB:
    case Opcodes.DDIV:
    case Opcodes.DREM:
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.IASTORE:
    case Opcodes.FASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
    case Opcodes.LCMP: // 4 before 1 after
    case Opcodes.DCMPL:
    case Opcodes.DCMPG:
        this.stackFrame.pop();
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.LASTORE:
    case Opcodes.DASTORE:
        this.stackFrame.pop();
        this.stackFrame.pop();
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.DUP:
        this.stackFrame.push(this.stackFrame.peek());
        break;
    case Opcodes.DUP_X1: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 2, stackFrame.get(_s - 1));
        break;
    }
    case Opcodes.DUP_X2: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 3, stackFrame.get(_s - 1));
        break;
    }
    case Opcodes.DUP2: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 2, stackFrame.get(_s - 1));
        stackFrame.add(_s - 2, stackFrame.get(_s - 1));
        break;
    }
    case Opcodes.DUP2_X1: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 3, stackFrame.get(_s - 1));
        stackFrame.add(_s - 3, stackFrame.get(_s - 1));
        break;
    }
    case Opcodes.DUP2_X2: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 4, stackFrame.get(_s - 1));
        stackFrame.add(_s - 4, stackFrame.get(_s - 1));
        break;
    }
    case Opcodes.SWAP: {
        final int _s = stackFrame.size();
        stackFrame.add(_s - 2, stackFrame.get(_s - 1));
        stackFrame.remove(_s);
        break;
    }
    }
}

From source file:dyco4j.instrumentation.internals.TracingMethodVisitor.java

License:BSD License

private void visitArrayStoreInsn(final int opcode) {
    if (opcode == Opcodes.LASTORE || opcode == Opcodes.DASTORE) {
        super.visitInsn(Opcodes.DUP2_X2);
        super.visitInsn(Opcodes.POP2);
        super.visitInsn(Opcodes.DUP2_X2);
        super.visitInsn(Opcodes.DUP2_X2);
        super.visitInsn(Opcodes.POP2);
        super.visitInsn(Opcodes.DUP2_X2);
    } else {// ww w.j  a v  a 2s.  c om
        super.visitInsn(Opcodes.DUP_X2);
        super.visitInsn(Opcodes.POP);
        super.visitInsn(Opcodes.DUP2_X1);
        super.visitInsn(Opcodes.DUP2_X1);
        super.visitInsn(Opcodes.POP2);
        super.visitInsn(Opcodes.DUP_X2);
    }

    switch (opcode) {
    case Opcodes.AASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.getObjectType("java/lang/Object"));
        break;
    case Opcodes.BASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.BYTE_TYPE);
        break;
    case Opcodes.CASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.CHAR_TYPE);
        break;
    case Opcodes.FASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.FLOAT_TYPE);
        break;
    case Opcodes.IASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.INT_TYPE);
        break;
    case Opcodes.SASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.SHORT_TYPE);
        break;
    case Opcodes.DASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.DOUBLE_TYPE);
        break;
    case Opcodes.LASTORE:
        LoggingHelper.emitConvertToString(this.mv, Type.LONG_TYPE);
        break;
    }

    LoggingHelper.emitLogArray(this.mv, Logger.ArrayAction.PUTA);

    super.visitInsn(opcode);
}

From source file:dyco4j.instrumentation.LoggingHelper.java

License:BSD License

public static void emitSwapOneWordAndTwoWords(final MethodVisitor mv, final Type tos) {
    if (tos.getSort() == Type.LONG || tos.getSort() == Type.DOUBLE) {
        mv.visitInsn(Opcodes.DUP_X2);//ww  w .j  a  v  a  2  s.com
        mv.visitInsn(Opcodes.POP);
    } else {
        mv.visitInsn(Opcodes.SWAP);
    }
}

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

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("hasNext".equals(name)) {
        return super.visitMethod(access, "originalHasNext", desc, signature, exceptions);
    }/*from   w  w w .  j  a v  a2s.  c o  m*/
    if ("nextIndex".equals(name)) {
        return super.visitMethod(access, "originalNextIndex", desc, signature, exceptions);
    }
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "size", "I");
                    Label l0 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l0);
                    super.visitInsn(Opcodes.ICONST_0);
                    Label l1 = new Label();
                    super.visitJumpInsn(Opcodes.GOTO, l1);
                    super.visitLabel(l0);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    "java/util/IdentityHashMap" },
                            1, new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator" });
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitInsn(Opcodes.ARRAYLENGTH);
                    super.visitLabel(l1);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    "java/util/IdentityHashMap" },
                            2, new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    Opcodes.INTEGER });
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "index", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "modCount", "I");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "expectedModCount", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "lastReturnedIndex", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "traversalTable", "[Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "keys", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_0);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "idx", "I");
                    Label l2 = new Label();
                    super.visitLabel(l2);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
                            "java/util/IdentityHashMap$IdentityHashMapIterator", "originalHasNext", "()Z",
                            false);
                    Label l3 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l3);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
                            "java/util/IdentityHashMap$IdentityHashMapIterator", "originalNextIndex", "()I",
                            false);
                    super.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf",
                            "(I)Ljava/lang/Integer;", false);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l2);
                    super.visitLabel(l3);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKESTATIC,
                            "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
                            "(Ljava/util/List;)Ljava/util/List;", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "iterator",
                            "()Ljava/util/Iterator;", true);
                    super.visitVarInsn(Opcodes.ASTORE, 2);
                    Label l4 = new Label();
                    super.visitLabel(l4);
                    super.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/util/Iterator" }, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 2);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z",
                            true);
                    Label l5 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l5);
                    super.visitVarInsn(Opcodes.ALOAD, 2);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next",
                            "()Ljava/lang/Object;", true);
                    super.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/Integer");
                    super.visitVarInsn(Opcodes.ASTORE, 3);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "keys", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 3);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Integer", "intValue", "()I", false);
                    super.visitInsn(Opcodes.AALOAD);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l4);
                    super.visitLabel(l5);
                    super.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
                }
                super.visitInsn(opcode);
            }
        };
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}

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();/*ww  w. j  av a  2s. c o  m*/
    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

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("hasNext".equals(name)) {
        return super.visitMethod(access, "originalHasNext", desc, signature, exceptions);
    }/*from w  w w  .j a va  2 s  .c  o  m*/
    if ("next".equals(name)) {
        return super.visitMethod(access, "originalNext", desc, signature, exceptions);
    }
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "this$0",
                            "Ljava/util/PriorityQueue;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_0);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "cursor", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "forgetMeNot",
                            "Ljava/util/ArrayDeque;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt",
                            "Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "this$0",
                            "Ljava/util/PriorityQueue;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue", "modCount", "I");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "expectedModCount",
                            "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    Label l0 = new Label();
                    super.visitLabel(l0);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/PriorityQueue$Itr", "java/util/PriorityQueue" }, 0,
                            new Object[] {});
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/PriorityQueue$Itr",
                            "originalHasNext", "()Z", false);
                    Label l1 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l1);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/PriorityQueue$Itr", "originalNext",
                            "()Ljava/lang/Object;", false);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l0);
                    super.visitLabel(l1);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKESTATIC,
                            "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
                            "(Ljava/util/List;)Ljava/util/List;", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "iterator",
                            "()Ljava/util/Iterator;", true);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "iter",
                            "Ljava/util/Iterator;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt",
                            "Ljava/lang/Object;");
                }
                super.visitInsn(opcode);
            }
        };
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}