Example usage for org.objectweb.asm Opcodes DNEG

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

Introduction

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

Prototype

int DNEG

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

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Usage

From source file:com.google.test.metric.asm.MethodVisitorBuilder.java

License:Apache License

public void visitInsn(final int opcode) {
    switch (opcode) {
    case Opcodes.ACONST_NULL:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Load(lineNumber, new Constant(null, JavaType.OBJECT)));
            }/*from  w  ww  .j  av a2  s .  co  m*/
        });
        break;
    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:
        loadConstant(opcode - Opcodes.ICONST_M1 - 1, JavaType.INT);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        loadConstant(opcode - Opcodes.LCONST_0, JavaType.LONG);
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        loadConstant(opcode - Opcodes.FCONST_0, JavaType.FLOAT);
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        loadConstant(opcode - Opcodes.DCONST_0, JavaType.DOUBLE);
        break;
    case Opcodes.IALOAD:
        recordArrayLoad(JavaType.INT);
        break;
    case Opcodes.LALOAD:
        recordArrayLoad(JavaType.LONG);
        break;
    case Opcodes.FALOAD:
        recordArrayLoad(JavaType.FLOAT);
        break;
    case Opcodes.DALOAD:
        recordArrayLoad(JavaType.DOUBLE);
        break;
    case Opcodes.AALOAD:
        recordArrayLoad(JavaType.OBJECT);
        break;
    case Opcodes.BALOAD:
        recordArrayLoad(JavaType.BYTE);
        break;
    case Opcodes.CALOAD:
        recordArrayLoad(JavaType.CHAR);
        break;
    case Opcodes.SALOAD:
        recordArrayLoad(JavaType.SHORT);
        break;

    case Opcodes.IASTORE:
        recordArrayStore(JavaType.INT);
        break;
    case Opcodes.LASTORE:
        recordArrayStore(JavaType.LONG);
        break;
    case Opcodes.FASTORE:
        recordArrayStore(JavaType.FLOAT);
        break;
    case Opcodes.DASTORE:
        recordArrayStore(JavaType.DOUBLE);
        break;
    case Opcodes.AASTORE:
        recordArrayStore(JavaType.OBJECT);
        break;
    case Opcodes.BASTORE:
        recordArrayStore(JavaType.BYTE);
        break;
    case Opcodes.CASTORE:
        recordArrayStore(JavaType.CHAR);
        break;
    case Opcodes.SASTORE:
        recordArrayStore(JavaType.SHORT);
        break;
    case Opcodes.POP:
    case Opcodes.POP2:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Pop(lineNumber, opcode - Opcodes.POP + 1));
            }
        });
        break;
    case Opcodes.DUP:
    case Opcodes.DUP_X1:
    case Opcodes.DUP_X2:
        recorder.add(new Runnable() {
            public void run() {
                int offset = opcode - Opcodes.DUP;
                block.addOp(new Duplicate(lineNumber, offset));
            }
        });
        break;
    case Opcodes.DUP2:
    case Opcodes.DUP2_X1:
    case Opcodes.DUP2_X2:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Duplicate2(lineNumber, opcode - Opcodes.DUP2));
            }
        });
        break;
    case Opcodes.SWAP:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Swap(lineNumber));
            }
        });
        break;
    case Opcodes.IRETURN:
        _return(JavaType.INT);
        break;
    case Opcodes.FRETURN:
        _return(JavaType.FLOAT);
        break;
    case Opcodes.ARETURN:
        _return(JavaType.OBJECT);
        break;
    case Opcodes.LRETURN:
        _return(JavaType.LONG);
        break;
    case Opcodes.DRETURN:
        _return(JavaType.DOUBLE);
        break;
    case Opcodes.ATHROW:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Throw(lineNumber));
            }
        });
        break;
    case Opcodes.RETURN:
        _return(JavaType.VOID);
        break;
    case Opcodes.LCMP:
        operation("cmp", JavaType.LONG, JavaType.LONG, JavaType.INT);
        break;
    case Opcodes.FCMPL:
        operation("cmpl", JavaType.FLOAT, JavaType.FLOAT, JavaType.INT);
        break;
    case Opcodes.FCMPG:
        operation("cmpg", JavaType.FLOAT, JavaType.FLOAT, JavaType.INT);
        break;
    case Opcodes.DCMPL:
        operation("cmpl", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.INT);
        break;
    case Opcodes.DCMPG:
        operation("cmpg", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.INT);
        break;
    case Opcodes.LSHL:
        operation("shl", JavaType.LONG, JavaType.INT, JavaType.LONG);
        break;
    case Opcodes.LSHR:
        operation("shr", JavaType.LONG, JavaType.INT, JavaType.LONG);
        break;
    case Opcodes.LUSHR:
        operation("ushr", JavaType.LONG, JavaType.INT, JavaType.LONG);
        break;
    case Opcodes.LADD:
        operation("add", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LSUB:
        operation("sub", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LDIV:
        operation("div", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LREM:
        operation("rem", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LAND:
        operation("and", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LOR:
        operation("or", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LXOR:
        operation("xor", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.LMUL:
        operation("mul", JavaType.LONG, JavaType.LONG, JavaType.LONG);
        break;
    case Opcodes.FADD:
        operation("add", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT);
        break;
    case Opcodes.FSUB:
        operation("sub", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT);
        break;
    case Opcodes.FMUL:
        operation("mul", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT);
        break;
    case Opcodes.FREM:
        operation("rem", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT);
        break;
    case Opcodes.FDIV:
        operation("div", JavaType.FLOAT, JavaType.FLOAT, JavaType.FLOAT);
        break;
    case Opcodes.ISHL:
        operation("shl", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.ISHR:
        operation("shr", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IUSHR:
        operation("ushr", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IADD:
        operation("add", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.ISUB:
        operation("sub", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IMUL:
        operation("mul", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IDIV:
        operation("div", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IREM:
        operation("rem", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IAND:
        operation("and", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IOR:
        operation("or", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.IXOR:
        operation("xor", JavaType.INT, JavaType.INT, JavaType.INT);
        break;
    case Opcodes.DSUB:
        operation("sub", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE);
        break;
    case Opcodes.DADD:
        operation("add", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE);
        break;
    case Opcodes.DMUL:
        operation("mul", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE);
        break;
    case Opcodes.DDIV:
        operation("div", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE);
        break;
    case Opcodes.DREM:
        operation("rem", JavaType.DOUBLE, JavaType.DOUBLE, JavaType.DOUBLE);
        break;
    case Opcodes.L2I:
        convert(JavaType.LONG, JavaType.INT);
        break;
    case Opcodes.L2F:
        convert(JavaType.LONG, JavaType.FLOAT);
        break;
    case Opcodes.L2D:
        convert(JavaType.LONG, JavaType.DOUBLE);
        break;
    case Opcodes.LNEG:
        operation("neg", JavaType.LONG, null, JavaType.LONG);
        break;
    case Opcodes.F2I:
        convert(JavaType.FLOAT, JavaType.INT);
        break;
    case Opcodes.F2L:
        convert(JavaType.FLOAT, JavaType.LONG);
        break;
    case Opcodes.FNEG:
        operation("neg", JavaType.FLOAT, null, JavaType.FLOAT);
        break;
    case Opcodes.F2D:
        convert(JavaType.FLOAT, JavaType.DOUBLE);
        break;
    case Opcodes.D2I:
        convert(JavaType.DOUBLE, JavaType.INT);
        break;
    case Opcodes.D2L:
        convert(JavaType.DOUBLE, JavaType.LONG);
        break;
    case Opcodes.D2F:
        convert(JavaType.DOUBLE, JavaType.FLOAT);
        break;
    case Opcodes.DNEG:
        operation("neg", JavaType.DOUBLE, null, JavaType.DOUBLE);
        break;
    case Opcodes.I2L:
        convert(JavaType.INT, JavaType.LONG);
        break;
    case Opcodes.I2F:
        convert(JavaType.INT, JavaType.FLOAT);
        break;
    case Opcodes.I2D:
        convert(JavaType.INT, JavaType.DOUBLE);
        break;
    case Opcodes.I2B:
        convert(JavaType.INT, JavaType.BYTE);
        break;
    case Opcodes.I2C:
        convert(JavaType.INT, JavaType.CHAR);
        break;
    case Opcodes.I2S:
        convert(JavaType.INT, JavaType.SHORT);
        break;
    case Opcodes.INEG:
        operation("neg", JavaType.INT, null, JavaType.INT);
        break;
    case Opcodes.ARRAYLENGTH:
        operation("arraylength", JavaType.OBJECT.toArray(), null, JavaType.INT);
        break;
    case Opcodes.MONITORENTER:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new MonitorEnter(lineNumber));
            }
        });
        break;
    case Opcodes.MONITOREXIT:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new MonitorExit(lineNumber));
            }
        });
        break;
    case Opcodes.NOP:
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Transform(lineNumber, "NOP", null, null, null));
            }
        });
    }
}

From source file:com.mebigfatguy.junitflood.jvm.OperandStack.java

License:Apache License

public void performInsn(int opcode) {
    switch (opcode) {
    case Opcodes.NOP:
        break;/* w w w.  j a  v a  2  s.c o m*/

    case Opcodes.ACONST_NULL: {
        Operand op = new Operand();
        op.setNull(true);
        push(op);
    }
        break;

    case Opcodes.ICONST_M1: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(-1));
        push(op);
    }
        break;

    case Opcodes.ICONST_0: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(0));
        push(op);
    }
        break;

    case Opcodes.ICONST_1: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(1));
        push(op);
    }
        break;

    case Opcodes.ICONST_2: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(2));
        push(op);
    }
        break;

    case Opcodes.ICONST_3: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(3));
        push(op);
    }
        break;

    case Opcodes.ICONST_4: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(4));
        push(op);
    }
        break;

    case Opcodes.ICONST_5: {
        Operand op = new Operand();
        op.setConstant(Integer.valueOf(5));
        push(op);
    }
        break;

    case Opcodes.LCONST_0: {
        Operand op = new Operand();
        op.setConstant(Long.valueOf(0));
        push(op);
    }
        break;

    case Opcodes.LCONST_1: {
        Operand op = new Operand();
        op.setConstant(Long.valueOf(1));
        push(op);
    }
        break;

    case Opcodes.FCONST_0: {
        Operand op = new Operand();
        op.setConstant(Float.valueOf(0));
        push(op);
    }
        break;

    case Opcodes.FCONST_1: {
        Operand op = new Operand();
        op.setConstant(Float.valueOf(1));
        push(op);
    }
        break;

    case Opcodes.FCONST_2: {
        Operand op = new Operand();
        op.setConstant(Float.valueOf(2));
        push(op);
    }
        break;

    case Opcodes.DCONST_0: {
        Operand op = new Operand();
        op.setConstant(Double.valueOf(0));
        push(op);
    }
        break;

    case Opcodes.DCONST_1: {
        Operand op = new Operand();
        op.setConstant(Double.valueOf(1));
        push(op);
    }
        break;

    case Opcodes.IALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.AALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("Ljava/lang/Object;");
        push(op);
    }
        break;

    case Opcodes.BALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("B");
        push(op);
    }
        break;

    case Opcodes.CALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("C");
        push(op);
    }
        break;

    case Opcodes.SALOAD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("S");
        push(op);
    }
        break;

    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
        if (stack.size() < 2) {
            stack.clear();
        } else {
            Operand value = stack.remove(stack.size() - 1);
            Operand reg = stack.remove(stack.size() - 1);
            registers.put(Integer.valueOf(reg.getRegister()), value);
        }
        break;

    case Opcodes.POP:
        pop();
        break;

    case Opcodes.POP2:
        pop2();
        break;

    case Opcodes.DUP:
        if (!stack.isEmpty()) {
            Operand op = stack.get(stack.size() - 1);
            push(op);
        }
        break;

    case Opcodes.DUP_X1:
        if (stack.size() >= 2) {
            Operand op = stack.get(stack.size() - 1);
            stack.add(stack.size() - 2, op);
        }
        break;

    case Opcodes.DUP_X2:
        if (stack.size() >= 2) {
            Operand op = stack.get(stack.size() - 2);
            String sig = op.getSignature();
            op = stack.get(stack.size() - 1);
            if ("J".equals(sig) || "D".equals(sig)) {
                stack.add(stack.size() - 2, op);
            } else if (stack.size() >= 3) {
                stack.add(stack.size() - 3, op);
            }
        }
        break;

    case Opcodes.DUP2:
        if (stack.size() >= 2) {
            stack.add(stack.get(stack.size() - 2));
            stack.add(stack.get(stack.size() - 2));
        }
        break;

    case Opcodes.DUP2_X1:
        if (stack.size() >= 1) {
            Operand op = stack.get(stack.size() - 1);
            String sig = op.getSignature();
            if ("J".equals(sig) || "D".equals(sig)) {
                if (stack.size() >= 3) {
                    stack.add(stack.size() - 3, op);
                    op = stack.get(stack.size() - 2);
                    stack.add(stack.size() - 4, op);
                }
            } else {
                if (stack.size() >= 2) {
                    stack.add(stack.size() - 2, op);
                }
            }
        }
        break;

    case Opcodes.DUP2_X2:
        if (stack.size() >= 1) {
            Operand op = stack.get(stack.size() - 1);
            String sig = op.getSignature();
            if ("J".equals(sig) || "D".equals(sig)) {
                if (stack.size() >= 2) {
                    op = stack.get(stack.size() - 2);
                    sig = op.getSignature();
                    if ("J".equals(sig) || "D".equals(sig)) {
                        op = stack.get(stack.size() - 1);
                        stack.add(stack.size() - 2, op);
                    } else {
                        if (stack.size() >= 3) {
                            op = stack.get(stack.size() - 1);
                            stack.add(stack.size() - 3, op);
                        }
                    }
                }
            } else {
                if (stack.size() >= 3) {
                    op = stack.get(stack.size() - 3);
                    sig = op.getSignature();
                    if ("J".equals(sig) || "D".equals(sig)) {
                        op = stack.get(stack.size() - 2);
                        stack.add(stack.size() - 3, op);
                        op = stack.get(stack.size() - 1);
                        stack.add(stack.size() - 3, op);
                    } else {
                        if (stack.size() >= 4) {
                            op = stack.get(stack.size() - 2);
                            stack.add(stack.size() - 4, op);
                            op = stack.get(stack.size() - 1);
                            stack.add(stack.size() - 4, op);
                        }
                    }
                }
            }
        }
        break;

    case Opcodes.SWAP:
        if (stack.size() >= 2) {
            Operand op = stack.remove(stack.size() - 1);
            stack.add(stack.size() - 1, op);
        }
        break;

    case Opcodes.IADD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LADD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FADD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DADD: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.ISUB: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LSUB: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FSUB: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DSUB: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.IMUL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LMUL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FMUL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DMUL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.IDIV: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LDIV: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FDIV: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DDIV: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.IREM: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LREM: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FREM: {
        pop2();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DREM: {
        pop2();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.INEG: {
        pop();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LNEG: {
        pop();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.FNEG: {
        pop();
        Operand op = new Operand();
        op.setSignature("F");
        push(op);
    }
        break;

    case Opcodes.DNEG: {
        pop();
        Operand op = new Operand();
        op.setSignature("D");
        push(op);
    }
        break;

    case Opcodes.ISHL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LSHL: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.ISHR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LSHR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.IUSHR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LUSHR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.IAND: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LAND: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.IOR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LOR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.IXOR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.LXOR: {
        pop2();
        Operand op = new Operand();
        op.setSignature("J");
        push(op);
    }
        break;

    case Opcodes.I2L: {
        Operand lop = new Operand();
        lop.setSignature("J");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                lop.setConstant(Long.valueOf(((Integer) o).longValue()));
            }
        }
        push(lop);
    }
        break;

    case Opcodes.I2F: {
        Operand fop = new Operand();
        fop.setSignature("F");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                fop.setConstant(Float.valueOf(((Integer) o).floatValue()));
            }
        }
        push(fop);
    }
        break;

    case Opcodes.I2D: {
        Operand dop = new Operand();
        dop.setSignature("D");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                dop.setConstant(Double.valueOf(((Integer) o).doubleValue()));
            }
        }
        push(dop);
    }
        break;

    case Opcodes.L2I: {
        Operand iop = new Operand();
        iop.setSignature("I");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                iop.setConstant(Integer.valueOf(((Long) o).intValue()));
            }
        }
        push(iop);
    }
        break;

    case Opcodes.L2F: {
        Operand fop = new Operand();
        fop.setSignature("F");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                fop.setConstant(Float.valueOf(((Long) o).floatValue()));
            }
        }
        push(fop);
    }
        break;

    case Opcodes.L2D: {
        Operand dop = new Operand();
        dop.setSignature("D");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                dop.setConstant(Double.valueOf(((Long) o).doubleValue()));
            }
        }
        push(dop);
    }
        break;

    case Opcodes.F2I: {
        Operand iop = new Operand();
        iop.setSignature("I");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                iop.setConstant(Integer.valueOf(((Float) o).intValue()));
            }
        }
        push(iop);
    }
        break;

    case Opcodes.F2L: {
        Operand lop = new Operand();
        lop.setSignature("J");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                lop.setConstant(Long.valueOf(((Float) o).longValue()));
            }
        }
        push(lop);
    }
        break;

    case Opcodes.F2D: {
        Operand dop = new Operand();
        dop.setSignature("D");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                dop.setConstant(Double.valueOf(((Float) o).doubleValue()));
            }
        }
        push(dop);
    }
        break;

    case Opcodes.D2I: {
        Operand iop = new Operand();
        iop.setSignature("I");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                iop.setConstant(Integer.valueOf(((Double) o).intValue()));
            }
        }
        push(iop);
    }
        break;

    case Opcodes.D2L: {
        Operand lop = new Operand();
        lop.setSignature("J");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                lop.setConstant(Long.valueOf(((Double) o).longValue()));
            }
        }
        push(lop);
    }
        break;

    case Opcodes.D2F: {
        Operand fop = new Operand();
        fop.setSignature("F");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                fop.setConstant(Float.valueOf(((Double) o).floatValue()));
            }
        }
        push(fop);
    }
        break;

    case Opcodes.I2B: {
        Operand bop = new Operand();
        bop.setSignature("B");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                bop.setConstant(Byte.valueOf(((Integer) o).byteValue()));
            }
        }
        push(bop);
    }
        break;

    case Opcodes.I2C: {
        Operand cop = new Operand();
        cop.setSignature("C");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                cop.setConstant(Character.valueOf((char) ((Integer) o).intValue()));
            }
        }
        push(cop);
    }
        break;

    case Opcodes.I2S: {
        Operand sop = new Operand();
        sop.setSignature("S");
        if (!stack.isEmpty()) {
            Operand op = stack.remove(stack.size() - 1);
            Object o = op.getConstant();
            if (o != null) {
                sop.setConstant(Short.valueOf((short) ((Integer) o).intValue()));
            }
        }
        push(sop);
    }
        break;

    case Opcodes.LCMP:
    case Opcodes.FCMPL:
    case Opcodes.FCMPG:
    case Opcodes.DCMPL:
    case Opcodes.DCMPG: {
        pop2();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:
        pop();
        break;

    case Opcodes.RETURN:
        //nop
        break;

    case Opcodes.ARRAYLENGTH: {
        pop();
        Operand op = new Operand();
        op.setSignature("I");
        push(op);
    }
        break;

    case Opcodes.ATHROW:
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
        pop();
        break;
    }
}

From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java

License:Apache License

@Override
public void visitInsn(int opcode) {
    Expression e;/*from  www .ja  v a 2  s  .com*/
    Expression first;
    Expression second;
    switch (opcode) {
    case Opcodes.ARRAYLENGTH:
        e = Expression.arrayLength(_exprStack.pop());
        break;
    case Opcodes.ACONST_NULL:
        e = Expression.constant(null, Object.class);
        break;
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.AALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.arrayIndex(second, first);
        break;
    case Opcodes.DCONST_0:
        e = Expression.constant(0d, Double.TYPE);
        break;
    case Opcodes.DCONST_1:
        e = Expression.constant(1d, Double.TYPE);
        break;
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.LCMP:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.subtract(second, first);
        break;
    case Opcodes.FCONST_0:
        e = Expression.constant(0f, Float.TYPE);
        break;
    case Opcodes.FCONST_1:
        e = Expression.constant(1f, Float.TYPE);
        break;
    case Opcodes.FCONST_2:
        e = Expression.constant(2f, Float.TYPE);
        break;
    case Opcodes.ICONST_M1:
        e = Expression.constant(-1, Integer.TYPE);
        break;
    case Opcodes.ICONST_0:
        e = Expression.constant(0, Integer.TYPE);
        break;
    case Opcodes.ICONST_1:
        e = Expression.constant(1, Integer.TYPE);
        break;
    case Opcodes.ICONST_2:
        e = Expression.constant(2, Integer.TYPE);
        break;
    case Opcodes.ICONST_3:
        e = Expression.constant(3, Integer.TYPE);
        break;
    case Opcodes.ICONST_4:
        e = Expression.constant(4, Integer.TYPE);
        break;
    case Opcodes.ICONST_5:
        e = Expression.constant(5, Integer.TYPE);
        break;
    case Opcodes.LCONST_0:
        e = Expression.constant(0l, Long.TYPE);
        break;
    case Opcodes.LCONST_1:
        e = Expression.constant(1l, Long.TYPE);
        break;
    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.add(second, first);
        break;
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.subtract(second, first);
        break;
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.multiply(second, first);
        break;
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.divide(second, first);
        break;
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.modulo(second, first);
        break;
    case Opcodes.INEG:
    case Opcodes.LNEG:
    case Opcodes.FNEG:
    case Opcodes.DNEG:
        first = _exprStack.pop();
        e = Expression.negate(first);
        break;
    case Opcodes.ISHL:
    case Opcodes.LSHL:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.leftShift(second, first);
        break;
    case Opcodes.ISHR:
    case Opcodes.LSHR:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.rightShift(second, first);
        break;
    case Opcodes.IUSHR:
    case Opcodes.LUSHR:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.rightShift(second, first);
        break;
    case Opcodes.IAND:
    case Opcodes.LAND:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.bitwiseAnd(second, first);
        break;
    case Opcodes.IOR:
    case Opcodes.LOR:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.bitwiseOr(second, first);
        break;
    case Opcodes.IXOR:
    case Opcodes.LXOR:
        first = _exprStack.pop();
        second = _exprStack.pop();
        e = Expression.exclusiveOr(second, first);
        break;
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
        first = _exprStack.pop();
        e = Expression.convert(first, NumericTypeLookup2[opcode - Opcodes.I2B]);
        break;
    case Opcodes.I2L:
    case Opcodes.I2F:
    case Opcodes.I2D:
        first = _exprStack.pop();
        e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.I2L + 1]);
        break;
    case Opcodes.L2I:
    case Opcodes.L2F:
    case Opcodes.L2D:
        int l2l = opcode > Opcodes.L2I ? 1 : 0;
        first = _exprStack.pop();
        e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.L2I + l2l]);
        break;
    case Opcodes.F2I:
    case Opcodes.F2L:
    case Opcodes.F2D:
        int f2f = opcode == Opcodes.F2D ? 1 : 0;
        first = _exprStack.pop();
        e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.F2I + f2f]);
        break;
    case Opcodes.D2I:
    case Opcodes.D2L:
    case Opcodes.D2F:
        first = _exprStack.pop();
        e = Expression.convert(first, NumericTypeLookup[opcode - Opcodes.D2I]);
        break;
    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:

        go(null);

        return;
    case Opcodes.SWAP:
        first = _exprStack.pop();
        second = _exprStack.pop();
        _exprStack.push(first);
        _exprStack.push(second);
    case Opcodes.DUP:
    case Opcodes.DUP_X1:
    case Opcodes.DUP_X2:
    case Opcodes.DUP2:
    case Opcodes.DUP2_X1:
    case Opcodes.DUP2_X2:
        // our stack is not divided to words
        int base = (opcode - Opcodes.DUP) % 3;
        base++;
        dup(_exprStack, base, base - 1);
        return;
    case Opcodes.NOP:
        return;
    case Opcodes.RETURN:
    default:
        throw notLambda(opcode);
    }

    _exprStack.push(e);
}

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://w ww .  ja v a  2s.  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  ww  w  . j  av  a2 s .  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:edu.mit.streamjit.util.bytecode.MethodResolver.java

License:Open Source License

private void interpret(InsnNode insn, FrameState frame, BBInfo block) {
    ReturnType returnType = block.block.getParent().getType().getReturnType();
    switch (insn.getOpcode()) {
    case Opcodes.NOP:
        break;//from  w  w  w . j  a va2 s .  c  o m
    //<editor-fold defaultstate="collapsed" desc="Stack manipulation opcodes (pop, dup, swap)">
    case Opcodes.POP:
        assert frame.stack.peek().getType().getCategory() == 1;
        frame.stack.pop();
        break;
    case Opcodes.POP2:
        final int[][][] pop2Permutations = { { { 1, 1 }, {} }, { { 2 }, {} } };
        conditionallyPermute(frame, pop2Permutations);
        break;
    case Opcodes.DUP:
        final int[][][] dupPermutations = { { { 1 }, { 1, 1 } } };
        conditionallyPermute(frame, dupPermutations);
        break;
    case Opcodes.DUP_X1:
        final int[][][] dup_x1Permutations = { { { 1, 1 }, { 1, 2, 1 } } };
        conditionallyPermute(frame, dup_x1Permutations);
        break;
    case Opcodes.DUP_X2:
        final int[][][] dup_x2Permutations = { { { 1, 1, 1 }, { 1, 3, 2, 1 } }, { { 1, 2 }, { 1, 2, 1 } } };
        conditionallyPermute(frame, dup_x2Permutations);
        break;
    case Opcodes.DUP2:
        final int[][][] dup2Permutations = { { { 1, 1 }, { 2, 1, 2, 1 } }, { { 2 }, { 1, 1 } } };
        conditionallyPermute(frame, dup2Permutations);
        break;
    case Opcodes.DUP2_X1:
        final int[][][] dup2_x1Permutations = { { { 1, 1, 1 }, { 2, 1, 3, 2, 1 } }, { { 2, 1 }, { 1, 2, 1 } } };
        conditionallyPermute(frame, dup2_x1Permutations);
        break;
    case Opcodes.DUP2_X2:
        final int[][][] dup2_x2Permutations = { { { 1, 1, 1, 1 }, { 2, 1, 4, 3, 2, 1 } },
                { { 2, 1, 1 }, { 1, 3, 2, 1 } }, { { 3, 2, 1 }, { 2, 1, 3, 2, 1 } },
                { { 2, 2 }, { 1, 2, 1 } } };
        conditionallyPermute(frame, dup2_x2Permutations);
        break;
    case Opcodes.SWAP:
        final int[][][] swapPermutations = { { { 1, 1 }, { 1, 2 } } };
        conditionallyPermute(frame, swapPermutations);
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Constant-stacking opcodes (iconst_0, etc.; see also bipush, sipush)">
    case Opcodes.ACONST_NULL:
        frame.stack.push(module.constants().getNullConstant());
        break;
    case Opcodes.ICONST_M1:
        frame.stack.push(module.constants().getSmallestIntConstant(-1));
        break;
    case Opcodes.ICONST_0:
        frame.stack.push(module.constants().getSmallestIntConstant(0));
        break;
    case Opcodes.ICONST_1:
        frame.stack.push(module.constants().getSmallestIntConstant(1));
        break;
    case Opcodes.ICONST_2:
        frame.stack.push(module.constants().getSmallestIntConstant(2));
        break;
    case Opcodes.ICONST_3:
        frame.stack.push(module.constants().getSmallestIntConstant(3));
        break;
    case Opcodes.ICONST_4:
        frame.stack.push(module.constants().getSmallestIntConstant(4));
        break;
    case Opcodes.ICONST_5:
        frame.stack.push(module.constants().getSmallestIntConstant(5));
        break;
    case Opcodes.LCONST_0:
        frame.stack.push(module.constants().getConstant(0L));
        break;
    case Opcodes.LCONST_1:
        frame.stack.push(module.constants().getConstant(1L));
        break;
    case Opcodes.FCONST_0:
        frame.stack.push(module.constants().getConstant(0f));
        break;
    case Opcodes.FCONST_1:
        frame.stack.push(module.constants().getConstant(1f));
        break;
    case Opcodes.FCONST_2:
        frame.stack.push(module.constants().getConstant(2f));
        break;
    case Opcodes.DCONST_0:
        frame.stack.push(module.constants().getConstant(0d));
        break;
    case Opcodes.DCONST_1:
        frame.stack.push(module.constants().getConstant(1d));
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Return opcodes">
    case Opcodes.IRETURN:
        assert returnType.isSubtypeOf(typeFactory.getType(int.class));
        assert frame.stack.peek().getType().isSubtypeOf(returnType);
        block.block.instructions().add(new ReturnInst(returnType, frame.stack.pop()));
        break;
    case Opcodes.LRETURN:
        assert returnType.isSubtypeOf(typeFactory.getType(long.class));
        assert frame.stack.peek().getType().isSubtypeOf(returnType);
        block.block.instructions().add(new ReturnInst(returnType, frame.stack.pop()));
        break;
    case Opcodes.FRETURN:
        assert returnType.isSubtypeOf(typeFactory.getType(float.class));
        assert frame.stack.peek().getType().isSubtypeOf(returnType);
        block.block.instructions().add(new ReturnInst(returnType, frame.stack.pop()));
        break;
    case Opcodes.DRETURN:
        assert returnType.isSubtypeOf(typeFactory.getType(double.class));
        assert frame.stack.peek().getType().isSubtypeOf(returnType);
        block.block.instructions().add(new ReturnInst(returnType, frame.stack.pop()));
        break;
    case Opcodes.ARETURN:
        assert returnType.isSubtypeOf(typeFactory.getType(Object.class));
        assert frame.stack.peek().getType().isSubtypeOf(returnType);
        block.block.instructions().add(new ReturnInst(returnType, frame.stack.pop()));
        break;
    case Opcodes.RETURN:
        assert returnType instanceof VoidType || method.isConstructor();
        block.block.instructions().add(new ReturnInst(typeFactory.getVoidType()));
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Unary math opcodes (negation)">
    //Unary minus is rendered as a multiplication by -1.  (The obvious
    //other choice, subtraction from 0, is not equivalent for floats and
    //doubles due to negative zero.)
    case Opcodes.INEG:
        frame.stack.push(module.constants().getSmallestIntConstant(-1));
        binary(BinaryInst.Operation.MUL, frame, block);
        break;
    case Opcodes.LNEG:
        frame.stack.push(module.constants().getConstant(-1L));
        binary(BinaryInst.Operation.MUL, frame, block);
        break;
    case Opcodes.FNEG:
        frame.stack.push(module.constants().getConstant(-1f));
        binary(BinaryInst.Operation.MUL, frame, block);
        break;
    case Opcodes.DNEG:
        frame.stack.push(module.constants().getConstant(-1d));
        binary(BinaryInst.Operation.MUL, frame, block);
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Binary math opcodes">
    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
        binary(BinaryInst.Operation.ADD, frame, block);
        break;
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
        binary(BinaryInst.Operation.SUB, frame, block);
        break;
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
        binary(BinaryInst.Operation.MUL, frame, block);
        break;
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
        binary(BinaryInst.Operation.DIV, frame, block);
        break;
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
        binary(BinaryInst.Operation.REM, frame, block);
        break;
    case Opcodes.ISHL:
    case Opcodes.LSHL:
        binary(BinaryInst.Operation.SHL, frame, block);
        break;
    case Opcodes.ISHR:
    case Opcodes.LSHR:
        binary(BinaryInst.Operation.SHR, frame, block);
        break;
    case Opcodes.IUSHR:
    case Opcodes.LUSHR:
        binary(BinaryInst.Operation.USHR, frame, block);
        break;
    case Opcodes.IAND:
    case Opcodes.LAND:
        binary(BinaryInst.Operation.AND, frame, block);
        break;
    case Opcodes.IOR:
    case Opcodes.LOR:
        binary(BinaryInst.Operation.OR, frame, block);
        break;
    case Opcodes.IXOR:
    case Opcodes.LXOR:
        binary(BinaryInst.Operation.XOR, frame, block);
        break;
    case Opcodes.LCMP:
    case Opcodes.FCMPL:
    case Opcodes.DCMPL:
        binary(BinaryInst.Operation.CMP, frame, block);
        break;
    case Opcodes.FCMPG:
    case Opcodes.DCMPG:
        binary(BinaryInst.Operation.CMPG, frame, block);
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Primitive casts">
    case Opcodes.I2L:
        cast(int.class, long.class, frame, block);
        break;
    case Opcodes.I2F:
        cast(int.class, float.class, frame, block);
        break;
    case Opcodes.I2D:
        cast(int.class, double.class, frame, block);
        break;
    case Opcodes.L2I:
        cast(long.class, int.class, frame, block);
        break;
    case Opcodes.L2F:
        cast(long.class, float.class, frame, block);
        break;
    case Opcodes.L2D:
        cast(long.class, double.class, frame, block);
        break;
    case Opcodes.F2I:
        cast(float.class, int.class, frame, block);
        break;
    case Opcodes.F2L:
        cast(float.class, long.class, frame, block);
        break;
    case Opcodes.F2D:
        cast(float.class, double.class, frame, block);
        break;
    case Opcodes.D2I:
        cast(double.class, int.class, frame, block);
        break;
    case Opcodes.D2L:
        cast(double.class, long.class, frame, block);
        break;
    case Opcodes.D2F:
        cast(double.class, float.class, frame, block);
        break;
    case Opcodes.I2B:
        cast(int.class, byte.class, frame, block);
        break;
    case Opcodes.I2C:
        cast(int.class, char.class, frame, block);
        break;
    case Opcodes.I2S:
        cast(int.class, short.class, frame, block);
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Array store opcodes">
    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
        Value data = frame.stack.pop();
        Value index = frame.stack.pop();
        Value array = frame.stack.pop();
        ArrayStoreInst asi = new ArrayStoreInst(array, index, data);
        block.block.instructions().add(asi);
        break;
    //</editor-fold>
    //<editor-fold defaultstate="collapsed" desc="Array load opcodes">
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.AALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD:
        Value index2 = frame.stack.pop();
        Value array2 = frame.stack.pop();
        ArrayLoadInst ali = new ArrayLoadInst(array2, index2);
        block.block.instructions().add(ali);
        frame.stack.push(ali);
        break;
    //</editor-fold>
    case Opcodes.ARRAYLENGTH:
        ArrayLengthInst lengthInst = new ArrayLengthInst(frame.stack.pop());
        block.block.instructions().add(lengthInst);
        frame.stack.push(lengthInst);
        break;
    case Opcodes.ATHROW:
        block.block.instructions().add(new ThrowInst(frame.stack.pop()));
        break;
    default:
        throw new UnsupportedOperationException("" + insn.getOpcode());
    }
}

From source file:lucee.transformer.bytecode.op.OpNegateNumber.java

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 */// w w  w  .j a  v a  2s  . c om
public Type _writeOut(BytecodeContext bc, int mode) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    if (mode == MODE_REF) {
        _writeOut(bc, MODE_VALUE);
        adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_DOUBLE);
        return Types.DOUBLE;
    }

    expr.writeOut(bc, MODE_VALUE);
    adapter.visitInsn(Opcodes.DNEG);

    return Types.DOUBLE_VALUE;
}

From source file:org.adjective.stout.tools.StackVisualiserMethodVisitor.java

License:Apache License

public void visitInsn(int opcode) {
    switch (opcode) {
    case Opcodes.NOP:
        break;/*from w  ww. j  a v  a2  s.  com*/
    case Opcodes.ACONST_NULL:
        push("null", Object.class);
        break;
    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:
        push(Integer.toString(opcode - Opcodes.ICONST_0), Type.INT_TYPE);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        push(Integer.toString(opcode - Opcodes.LCONST_0), Type.LONG_TYPE);
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        push(Integer.toString(opcode - Opcodes.FCONST_0), Type.FLOAT_TYPE);
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        push(Integer.toString(opcode - Opcodes.DCONST_0), Type.DOUBLE_TYPE);
        break;
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.AALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD: {
        Type opType = getType(Opcodes.IALOAD, opcode);
        StackValue idx = pop(Type.INT_TYPE);
        StackValue arr = popArray(opType);
        push(arr.description + "[" + idx.description + "]", opType);
    }
        break;
    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE: {
        Type opType = getType(Opcodes.IASTORE, opcode);
        pop(opType);
        pop(Type.INT_TYPE);
        popArray(opType);
    }
        break;
    case Opcodes.POP:
        pop();
        break;
    case Opcodes.POP2:
        pop(2);
        break;
    case Opcodes.DUP:
        push(peek());
        break;
    case Opcodes.DUP2:
        push(peek(2));
        push(peek(1));
        break;
    case Opcodes.DUP_X1: {
        StackValue a = pop();
        StackValue b = pop();
        push(a);
        push(b);
        push(a);
    }
        break;
    case Opcodes.DUP_X2: {
        StackValue a = pop();
        StackValue b = pop();
        StackValue c = pop();
        push(a);
        push(c);
        push(b);
        push(a);
    }
        break;
    case Opcodes.DUP2_X1: {
        StackValue a = popValue(false);
        StackValue b = pop();
        StackValue c = pop();
        push(b);
        push(a);
        push(c);
        push(b);
        push(a);
    }
    case Opcodes.DUP2_X2: {
        StackValue a = popValue(false);
        StackValue b = pop();
        StackValue c = popValue(false);
        StackValue d = pop();
        push(b);
        push(a);
        push(d);
        push(c);
        push(b);
        push(a);
    }
        break;
    case Opcodes.SWAP: {
        StackValue a = pop();
        StackValue b = pop();
        push(a);
        push(b);
    }
        break;
    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
        math(Opcodes.IADD, opcode, "+");
        break;
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
        math(Opcodes.ISUB, opcode, "-");
        break;
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
        math(Opcodes.IMUL, opcode, "*");
        break;
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
        math(Opcodes.IDIV, opcode, "/");
        break;
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
        math(Opcodes.IREM, opcode, "%");
        break;
    case Opcodes.IAND:
    case Opcodes.LAND:
        math(Opcodes.IAND, opcode, "&");
        break;
    case Opcodes.IOR:
    case Opcodes.LOR:
        math(Opcodes.IOR, opcode, "|");
        break;
    case Opcodes.IXOR:
    case Opcodes.LXOR:
        math(Opcodes.IXOR, opcode, "^");
        break;
    case Opcodes.INEG:
    case Opcodes.LNEG:
    case Opcodes.FNEG:
    case Opcodes.DNEG: {
        Type type = getType(Opcodes.INEG, opcode);
        StackValue a = pop(type);
        push("-" + a.description, type);
    }
        break;
    case Opcodes.ISHL:
    case Opcodes.LSHL: {
        Type type = getType(Opcodes.ISHL, opcode);
        StackValue n = pop(Type.INT_TYPE);
        StackValue a = pop(type);
        push(a.description + "<<" + n.description, type);
    }
        break;
    case Opcodes.ISHR:
    case Opcodes.LSHR: {
        Type type = getType(Opcodes.ISHR, opcode);
        StackValue n = pop(Type.INT_TYPE);
        StackValue a = pop(type);
        push(a.description + ">>" + n.description, type);
    }
        break;
    case Opcodes.IUSHR:
    case Opcodes.LUSHR: {
        Type type = getType(Opcodes.IUSHR, opcode);
        StackValue n = pop(Type.INT_TYPE);
        StackValue a = pop(type);
        push(a.description + ">>>" + n.description, type);
    }
    case Opcodes.LCMP: {
        StackValue a = pop(Type.LONG_TYPE);
        StackValue b = pop(Type.LONG_TYPE);
        push(a.description + " cmp " + b.description + " {-1|0|1}", Type.LONG_TYPE);
    }
        break;
    case Opcodes.I2L:
    case Opcodes.I2F:
    case Opcodes.I2D:
    case Opcodes.L2I:
    case Opcodes.L2F:
    case Opcodes.L2D:
    case Opcodes.F2I:
    case Opcodes.F2L:
    case Opcodes.F2D:
    case Opcodes.D2I:
    case Opcodes.D2L:
    case Opcodes.D2F:
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
        cast(opcode);
        break;
    case Opcodes.ARETURN:
    case Opcodes.ATHROW:
        popObject();
        break;
    case Opcodes.RETURN:
        break;
    default:
        throw new IllegalArgumentException("Unsupported opcode " + opcode + " - " + OPCODES[opcode]);
    }
    print(opcode, "");
    /* 
        *        FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN,
        *        FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW,
        *        MONITORENTER, or MONITOREXIT
      */

}

From source file:org.apache.lucene.expressions.js.JavascriptCompiler.java

License:Apache License

/**
 * Sends the bytecode of class file to {@link ClassWriter}.
 *///from   ww w  .j  a va2  s. c  o  m
private void generateClass(final ParseTree parseTree, final ClassWriter classWriter,
        final Map<String, Integer> externalsMap) throws ParseException {
    classWriter.visit(CLASSFILE_VERSION, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER | Opcodes.ACC_FINAL,
            COMPILED_EXPRESSION_INTERNAL, null, EXPRESSION_TYPE.getInternalName(), null);
    final String clippedSourceText = (sourceText.length() <= MAX_SOURCE_LENGTH) ? sourceText
            : (sourceText.substring(0, MAX_SOURCE_LENGTH - 3) + "...");
    classWriter.visitSource(clippedSourceText, null);

    final GeneratorAdapter constructor = new GeneratorAdapter(Opcodes.ACC_PUBLIC, EXPRESSION_CTOR, null, null,
            classWriter);
    constructor.loadThis();
    constructor.loadArgs();
    constructor.invokeConstructor(EXPRESSION_TYPE, EXPRESSION_CTOR);
    constructor.returnValue();
    constructor.endMethod();

    final GeneratorAdapter gen = new GeneratorAdapter(Opcodes.ACC_PUBLIC, EVALUATE_METHOD, null, null,
            classWriter);

    // to completely hide the ANTLR visitor we use an anonymous impl:
    new JavascriptBaseVisitor<Void>() {
        private final Deque<Type> typeStack = new ArrayDeque<>();

        @Override
        public Void visitCompile(JavascriptParser.CompileContext ctx) {
            typeStack.push(Type.DOUBLE_TYPE);
            visit(ctx.expression());
            typeStack.pop();

            return null;
        }

        @Override
        public Void visitPrecedence(JavascriptParser.PrecedenceContext ctx) {
            visit(ctx.expression());

            return null;
        }

        @Override
        public Void visitNumeric(JavascriptParser.NumericContext ctx) {
            if (ctx.HEX() != null) {
                pushLong(Long.parseLong(ctx.HEX().getText().substring(2), 16));
            } else if (ctx.OCTAL() != null) {
                pushLong(Long.parseLong(ctx.OCTAL().getText().substring(1), 8));
            } else if (ctx.DECIMAL() != null) {
                gen.push(Double.parseDouble(ctx.DECIMAL().getText()));
                gen.cast(Type.DOUBLE_TYPE, typeStack.peek());
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            return null;
        }

        @Override
        public Void visitExternal(JavascriptParser.ExternalContext ctx) {
            String text = ctx.VARIABLE().getText();
            int arguments = ctx.expression().size();
            boolean parens = ctx.LP() != null && ctx.RP() != null;
            Method method = parens ? functions.get(text) : null;

            try {
                if (method != null) {
                    int arity = method.getParameterTypes().length;

                    if (arguments != arity) {
                        throw new ParseException("Invalid expression '" + sourceText + "': Expected (" + arity
                                + ") arguments for function call (" + text + "), but found (" + arguments
                                + ").", ctx.start.getStartIndex());
                    }

                    typeStack.push(Type.DOUBLE_TYPE);

                    for (int argument = 0; argument < arguments; ++argument) {
                        visit(ctx.expression(argument));
                    }

                    typeStack.pop();

                    gen.invokeStatic(Type.getType(method.getDeclaringClass()),
                            org.objectweb.asm.commons.Method.getMethod(method));

                    gen.cast(Type.DOUBLE_TYPE, typeStack.peek());
                } else if (!parens || arguments == 0 && text.contains(".")) {
                    int index;

                    text = normalizeQuotes(ctx.getText());

                    if (externalsMap.containsKey(text)) {
                        index = externalsMap.get(text);
                    } else {
                        index = externalsMap.size();
                        externalsMap.put(text, index);
                    }

                    gen.loadArg(0);
                    gen.push(index);
                    gen.arrayLoad(FUNCTION_VALUES_TYPE);
                    gen.invokeVirtual(FUNCTION_VALUES_TYPE, DOUBLE_VAL_METHOD);
                    gen.cast(Type.DOUBLE_TYPE, typeStack.peek());
                } else {
                    throw new ParseException("Invalid expression '" + sourceText
                            + "': Unrecognized function call (" + text + ").", ctx.start.getStartIndex());
                }
                return null;
            } catch (ParseException e) {
                // The API doesn't allow checked exceptions here, so propagate up the stack. This is unwrapped
                // in getAntlrParseTree. 
                throw new RuntimeException(e);
            }
        }

        @Override
        public Void visitUnary(JavascriptParser.UnaryContext ctx) {
            if (ctx.BOOLNOT() != null) {
                Label labelNotTrue = new Label();
                Label labelNotReturn = new Label();

                typeStack.push(Type.INT_TYPE);
                visit(ctx.expression());
                typeStack.pop();
                gen.visitJumpInsn(Opcodes.IFEQ, labelNotTrue);
                pushBoolean(false);
                gen.goTo(labelNotReturn);
                gen.visitLabel(labelNotTrue);
                pushBoolean(true);
                gen.visitLabel(labelNotReturn);

            } else if (ctx.BWNOT() != null) {
                typeStack.push(Type.LONG_TYPE);
                visit(ctx.expression());
                typeStack.pop();
                gen.push(-1L);
                gen.visitInsn(Opcodes.LXOR);
                gen.cast(Type.LONG_TYPE, typeStack.peek());

            } else if (ctx.ADD() != null) {
                visit(ctx.expression());

            } else if (ctx.SUB() != null) {
                typeStack.push(Type.DOUBLE_TYPE);
                visit(ctx.expression());
                typeStack.pop();
                gen.visitInsn(Opcodes.DNEG);
                gen.cast(Type.DOUBLE_TYPE, typeStack.peek());

            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            return null;
        }

        @Override
        public Void visitMuldiv(JavascriptParser.MuldivContext ctx) {
            int opcode;

            if (ctx.MUL() != null) {
                opcode = Opcodes.DMUL;
            } else if (ctx.DIV() != null) {
                opcode = Opcodes.DDIV;
            } else if (ctx.REM() != null) {
                opcode = Opcodes.DREM;
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            pushArith(opcode, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitAddsub(JavascriptParser.AddsubContext ctx) {
            int opcode;

            if (ctx.ADD() != null) {
                opcode = Opcodes.DADD;
            } else if (ctx.SUB() != null) {
                opcode = Opcodes.DSUB;
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            pushArith(opcode, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBwshift(JavascriptParser.BwshiftContext ctx) {
            int opcode;

            if (ctx.LSH() != null) {
                opcode = Opcodes.LSHL;
            } else if (ctx.RSH() != null) {
                opcode = Opcodes.LSHR;
            } else if (ctx.USH() != null) {
                opcode = Opcodes.LUSHR;
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            pushShift(opcode, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBoolcomp(JavascriptParser.BoolcompContext ctx) {
            int opcode;

            if (ctx.LT() != null) {
                opcode = GeneratorAdapter.LT;
            } else if (ctx.LTE() != null) {
                opcode = GeneratorAdapter.LE;
            } else if (ctx.GT() != null) {
                opcode = GeneratorAdapter.GT;
            } else if (ctx.GTE() != null) {
                opcode = GeneratorAdapter.GE;
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            pushCond(opcode, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBooleqne(JavascriptParser.BooleqneContext ctx) {
            int opcode;

            if (ctx.EQ() != null) {
                opcode = GeneratorAdapter.EQ;
            } else if (ctx.NE() != null) {
                opcode = GeneratorAdapter.NE;
            } else {
                throw new IllegalStateException("Unknown operation specified: " + ctx.getText());
            }

            pushCond(opcode, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBwand(JavascriptParser.BwandContext ctx) {
            pushBitwise(Opcodes.LAND, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBwxor(JavascriptParser.BwxorContext ctx) {
            pushBitwise(Opcodes.LXOR, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBwor(JavascriptParser.BworContext ctx) {
            pushBitwise(Opcodes.LOR, ctx.expression(0), ctx.expression(1));

            return null;
        }

        @Override
        public Void visitBooland(JavascriptParser.BoolandContext ctx) {
            Label andFalse = new Label();
            Label andEnd = new Label();

            typeStack.push(Type.INT_TYPE);
            visit(ctx.expression(0));
            gen.visitJumpInsn(Opcodes.IFEQ, andFalse);
            visit(ctx.expression(1));
            gen.visitJumpInsn(Opcodes.IFEQ, andFalse);
            typeStack.pop();
            pushBoolean(true);
            gen.goTo(andEnd);
            gen.visitLabel(andFalse);
            pushBoolean(false);
            gen.visitLabel(andEnd);

            return null;
        }

        @Override
        public Void visitBoolor(JavascriptParser.BoolorContext ctx) {
            Label orTrue = new Label();
            Label orEnd = new Label();

            typeStack.push(Type.INT_TYPE);
            visit(ctx.expression(0));
            gen.visitJumpInsn(Opcodes.IFNE, orTrue);
            visit(ctx.expression(1));
            gen.visitJumpInsn(Opcodes.IFNE, orTrue);
            typeStack.pop();
            pushBoolean(false);
            gen.goTo(orEnd);
            gen.visitLabel(orTrue);
            pushBoolean(true);
            gen.visitLabel(orEnd);

            return null;
        }

        @Override
        public Void visitConditional(JavascriptParser.ConditionalContext ctx) {
            Label condFalse = new Label();
            Label condEnd = new Label();

            typeStack.push(Type.INT_TYPE);
            visit(ctx.expression(0));
            typeStack.pop();
            gen.visitJumpInsn(Opcodes.IFEQ, condFalse);
            visit(ctx.expression(1));
            gen.goTo(condEnd);
            gen.visitLabel(condFalse);
            visit(ctx.expression(2));
            gen.visitLabel(condEnd);

            return null;
        }

        private void pushArith(int operator, ExpressionContext left, ExpressionContext right) {
            pushBinaryOp(operator, left, right, Type.DOUBLE_TYPE, Type.DOUBLE_TYPE, Type.DOUBLE_TYPE);
        }

        private void pushShift(int operator, ExpressionContext left, ExpressionContext right) {
            pushBinaryOp(operator, left, right, Type.LONG_TYPE, Type.INT_TYPE, Type.LONG_TYPE);
        }

        private void pushBitwise(int operator, ExpressionContext left, ExpressionContext right) {
            pushBinaryOp(operator, left, right, Type.LONG_TYPE, Type.LONG_TYPE, Type.LONG_TYPE);
        }

        private void pushBinaryOp(int operator, ExpressionContext left, ExpressionContext right, Type leftType,
                Type rightType, Type returnType) {
            typeStack.push(leftType);
            visit(left);
            typeStack.pop();
            typeStack.push(rightType);
            visit(right);
            typeStack.pop();
            gen.visitInsn(operator);
            gen.cast(returnType, typeStack.peek());
        }

        private void pushCond(int operator, ExpressionContext left, ExpressionContext right) {
            Label labelTrue = new Label();
            Label labelReturn = new Label();

            typeStack.push(Type.DOUBLE_TYPE);
            visit(left);
            visit(right);
            typeStack.pop();

            gen.ifCmp(Type.DOUBLE_TYPE, operator, labelTrue);
            pushBoolean(false);
            gen.goTo(labelReturn);
            gen.visitLabel(labelTrue);
            pushBoolean(true);
            gen.visitLabel(labelReturn);
        }

        private void pushBoolean(boolean truth) {
            switch (typeStack.peek().getSort()) {
            case Type.INT:
                gen.push(truth);
                break;
            case Type.LONG:
                gen.push(truth ? 1L : 0L);
                break;
            case Type.DOUBLE:
                gen.push(truth ? 1. : 0.);
                break;
            default:
                throw new IllegalStateException("Invalid expected type: " + typeStack.peek());
            }
        }

        private void pushLong(long i) {
            switch (typeStack.peek().getSort()) {
            case Type.INT:
                gen.push((int) i);
                break;
            case Type.LONG:
                gen.push(i);
                break;
            case Type.DOUBLE:
                gen.push((double) i);
                break;
            default:
                throw new IllegalStateException("Invalid expected type: " + typeStack.peek());
            }
        }
    }.visit(parseTree);

    gen.returnValue();
    gen.endMethod();

    classWriter.visitEnd();
}

From source file:org.apache.lucene.expressions.js.XJavascriptCompiler.java

License:Apache License

private void recursiveCompile(Tree current, Type expected) {
    int type = current.getType();
    String text = current.getText();

    switch (type) {
    case XJavascriptParser.AT_CALL:
        Tree identifier = current.getChild(0);
        String call = identifier.getText();
        int arguments = current.getChildCount() - 1;

        Method method = functions.get(call);
        if (method == null) {
            throw new IllegalArgumentException("Unrecognized method call (" + call + ").");
        }//w  ww  . jav  a  2s. com

        int arity = method.getParameterTypes().length;
        if (arguments != arity) {
            throw new IllegalArgumentException("Expected (" + arity + ") arguments for method call (" + call
                    + "), but found (" + arguments + ").");
        }

        for (int argument = 1; argument <= arguments; ++argument) {
            recursiveCompile(current.getChild(argument), Type.DOUBLE_TYPE);
        }

        gen.invokeStatic(Type.getType(method.getDeclaringClass()),
                org.objectweb.asm.commons.Method.getMethod(method));

        gen.cast(Type.DOUBLE_TYPE, expected);
        break;
    case XJavascriptParser.VARIABLE:
        int index;

        // normalize quotes
        text = normalizeQuotes(text);

        if (externalsMap.containsKey(text)) {
            index = externalsMap.get(text);
        } else {
            index = externalsMap.size();
            externalsMap.put(text, index);
        }

        gen.loadArg(1);
        gen.push(index);
        gen.arrayLoad(FUNCTION_VALUES_TYPE);
        gen.loadArg(0);
        gen.invokeVirtual(FUNCTION_VALUES_TYPE, DOUBLE_VAL_METHOD);
        gen.cast(Type.DOUBLE_TYPE, expected);
        break;
    case XJavascriptParser.HEX:
        pushLong(expected, Long.parseLong(text.substring(2), 16));
        break;
    case XJavascriptParser.OCTAL:
        pushLong(expected, Long.parseLong(text.substring(1), 8));
        break;
    case XJavascriptParser.DECIMAL:
        gen.push(Double.parseDouble(text));
        gen.cast(Type.DOUBLE_TYPE, expected);
        break;
    case XJavascriptParser.AT_NEGATE:
        recursiveCompile(current.getChild(0), Type.DOUBLE_TYPE);
        gen.visitInsn(Opcodes.DNEG);
        gen.cast(Type.DOUBLE_TYPE, expected);
        break;
    case XJavascriptParser.AT_ADD:
        pushArith(Opcodes.DADD, current, expected);
        break;
    case XJavascriptParser.AT_SUBTRACT:
        pushArith(Opcodes.DSUB, current, expected);
        break;
    case XJavascriptParser.AT_MULTIPLY:
        pushArith(Opcodes.DMUL, current, expected);
        break;
    case XJavascriptParser.AT_DIVIDE:
        pushArith(Opcodes.DDIV, current, expected);
        break;
    case XJavascriptParser.AT_MODULO:
        pushArith(Opcodes.DREM, current, expected);
        break;
    case XJavascriptParser.AT_BIT_SHL:
        pushShift(Opcodes.LSHL, current, expected);
        break;
    case XJavascriptParser.AT_BIT_SHR:
        pushShift(Opcodes.LSHR, current, expected);
        break;
    case XJavascriptParser.AT_BIT_SHU:
        pushShift(Opcodes.LUSHR, current, expected);
        break;
    case XJavascriptParser.AT_BIT_AND:
        pushBitwise(Opcodes.LAND, current, expected);
        break;
    case XJavascriptParser.AT_BIT_OR:
        pushBitwise(Opcodes.LOR, current, expected);
        break;
    case XJavascriptParser.AT_BIT_XOR:
        pushBitwise(Opcodes.LXOR, current, expected);
        break;
    case XJavascriptParser.AT_BIT_NOT:
        recursiveCompile(current.getChild(0), Type.LONG_TYPE);
        gen.push(-1L);
        gen.visitInsn(Opcodes.LXOR);
        gen.cast(Type.LONG_TYPE, expected);
        break;
    case XJavascriptParser.AT_COMP_EQ:
        pushCond(GeneratorAdapter.EQ, current, expected);
        break;
    case XJavascriptParser.AT_COMP_NEQ:
        pushCond(GeneratorAdapter.NE, current, expected);
        break;
    case XJavascriptParser.AT_COMP_LT:
        pushCond(GeneratorAdapter.LT, current, expected);
        break;
    case XJavascriptParser.AT_COMP_GT:
        pushCond(GeneratorAdapter.GT, current, expected);
        break;
    case XJavascriptParser.AT_COMP_LTE:
        pushCond(GeneratorAdapter.LE, current, expected);
        break;
    case XJavascriptParser.AT_COMP_GTE:
        pushCond(GeneratorAdapter.GE, current, expected);
        break;
    case XJavascriptParser.AT_BOOL_NOT:
        Label labelNotTrue = new Label();
        Label labelNotReturn = new Label();

        recursiveCompile(current.getChild(0), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFEQ, labelNotTrue);
        pushBoolean(expected, false);
        gen.goTo(labelNotReturn);
        gen.visitLabel(labelNotTrue);
        pushBoolean(expected, true);
        gen.visitLabel(labelNotReturn);
        break;
    case XJavascriptParser.AT_BOOL_AND:
        Label andFalse = new Label();
        Label andEnd = new Label();

        recursiveCompile(current.getChild(0), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFEQ, andFalse);
        recursiveCompile(current.getChild(1), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFEQ, andFalse);
        pushBoolean(expected, true);
        gen.goTo(andEnd);
        gen.visitLabel(andFalse);
        pushBoolean(expected, false);
        gen.visitLabel(andEnd);
        break;
    case XJavascriptParser.AT_BOOL_OR:
        Label orTrue = new Label();
        Label orEnd = new Label();

        recursiveCompile(current.getChild(0), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFNE, orTrue);
        recursiveCompile(current.getChild(1), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFNE, orTrue);
        pushBoolean(expected, false);
        gen.goTo(orEnd);
        gen.visitLabel(orTrue);
        pushBoolean(expected, true);
        gen.visitLabel(orEnd);
        break;
    case XJavascriptParser.AT_COND_QUE:
        Label condFalse = new Label();
        Label condEnd = new Label();

        recursiveCompile(current.getChild(0), Type.INT_TYPE);
        gen.visitJumpInsn(Opcodes.IFEQ, condFalse);
        recursiveCompile(current.getChild(1), expected);
        gen.goTo(condEnd);
        gen.visitLabel(condFalse);
        recursiveCompile(current.getChild(2), expected);
        gen.visitLabel(condEnd);
        break;
    default:
        throw new IllegalStateException("Unknown operation specified: (" + current.getText() + ").");
    }
}