Java Code Examples for org.objectweb.asm.Opcodes#ICONST_M1

The following examples show how to use org.objectweb.asm.Opcodes#ICONST_M1 . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: AsmUtil.java From Bats with Apache License 2.0

6 votes

/**
 * Determine if the given opcode is a load of a constant (xCONST_y).
 *
 * @param opcode the opcode
 * @return true if the opcode is one of the constant loading ones, false otherwise
 */
public static boolean isXconst(final int opcode) {
  switch(opcode) {
  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.ICONST_M1:
  case Opcodes.DCONST_0:
  case Opcodes.DCONST_1:
  case Opcodes.FCONST_0:
  case Opcodes.FCONST_1:
  case Opcodes.LCONST_0:
  case Opcodes.LCONST_1:
    return true;
  }

  return false;
}

Example 2

Source File: OpcodeFormatting.java From Cafebabe with GNU General Public License v3.0

6 votes

/**
 * Given an integer, returns an InsnNode that will properly represent the int.
 * 
 * @param i
 * @return
 */
public static AbstractInsnNode toInt(int i) {
	switch (i) {
	case -1:
		return new InsnNode(Opcodes.ICONST_M1);
	case 0:
		return new InsnNode(Opcodes.ICONST_0);
	case 1:
		return new InsnNode(Opcodes.ICONST_1);
	case 2:
		return new InsnNode(Opcodes.ICONST_2);
	case 3:
		return new InsnNode(Opcodes.ICONST_3);
	case 4:
		return new InsnNode(Opcodes.ICONST_4);
	case 5:
		return new InsnNode(Opcodes.ICONST_5);
	}
	if (i > -129 && i < 128) {
		return new IntInsnNode(Opcodes.BIPUSH, i);
	}
	return new LdcInsnNode(i);
}

Example 3

Source File: BasicInstruction.java From CodenameOne with GNU General Public License v2.0

6 votes

@Override
public boolean isConstant() {
    switch (opcode) {
        case Opcodes.ACONST_NULL:
        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.ICONST_M1:
        case Opcodes.FCONST_0:
        case Opcodes.FCONST_1:
        case Opcodes.FCONST_2:
        case Opcodes.DCONST_0:
        case Opcodes.DCONST_1:
        case Opcodes.LCONST_0:
        case Opcodes.LCONST_1:
        case Opcodes.LDC:
            return true;
    }
    return super.isConstant();
}

Example 4

Source File: TreeInstructions.java From instrumentation with Apache License 2.0

6 votes

public static AbstractInsnNode getPushInstruction(int value) {

        if (value == -1) {
            return new InsnNode(Opcodes.ICONST_M1);
        } else if (value == 0) {
            return new InsnNode(Opcodes.ICONST_0);
        } else if (value == 1) {
            return new InsnNode(Opcodes.ICONST_1);
        } else if (value == 2) {
            return new InsnNode(Opcodes.ICONST_2);
        } else if (value == 3) {
            return new InsnNode(Opcodes.ICONST_3);
        } else if (value == 4) {
            return new InsnNode(Opcodes.ICONST_4);
        } else if (value == 5) {
            return new InsnNode(Opcodes.ICONST_5);
        } else if ((value >= -128) && (value <= 127)) {
            return new IntInsnNode(Opcodes.BIPUSH, value);
        } else if ((value >= -32768) && (value <= 32767)) {
            return new IntInsnNode(Opcodes.SIPUSH, value);
        } else {
            return new LdcInsnNode(value);
        }
    }

Example 5

Source File: Utils.java From deobfuscator with Apache License 2.0

6 votes

public static int getIntValue(AbstractInsnNode node)
{
	if(node.getOpcode() >= Opcodes.ICONST_M1
		&& node.getOpcode() <= Opcodes.ICONST_5)
		return node.getOpcode() - 3;
	if(node.getOpcode() == Opcodes.SIPUSH
		|| node.getOpcode() == Opcodes.BIPUSH)
		return ((IntInsnNode)node).operand;
	if(node instanceof LdcInsnNode)
	{
		LdcInsnNode ldc = (LdcInsnNode)node;
		if(ldc.cst instanceof Integer)
			return (int)ldc.cst;
	}
	return 0;
}

Example 6

Source File: OpUtils.java From JByteMod-Beta with GNU General Public License v2.0

6 votes

/**
 * Given an integer, returns an InsnNode that will properly represent the int.
 * 
 * @param i
 * @return
 */
public static AbstractInsnNode toInt(int i) {
  switch (i) {
  case -1:
    return new InsnNode(Opcodes.ICONST_M1);
  case 0:
    return new InsnNode(Opcodes.ICONST_0);
  case 1:
    return new InsnNode(Opcodes.ICONST_1);
  case 2:
    return new InsnNode(Opcodes.ICONST_2);
  case 3:
    return new InsnNode(Opcodes.ICONST_3);
  case 4:
    return new InsnNode(Opcodes.ICONST_4);
  case 5:
    return new InsnNode(Opcodes.ICONST_5);
  }
  if (i > -129 && i < 128) {
    return new IntInsnNode(Opcodes.BIPUSH, i);
  }
  return new LdcInsnNode(i);
}

Example 7

Source File: LoadIntStep.java From deobfuscator with Apache License 2.0

6 votes

public LoadIntStep() {
    super((a) -> 
    {
    	if(!(a instanceof LdcInsnNode))
    		return true;
    	return ((LdcInsnNode)a).cst instanceof Integer;
    },Opcodes.ICONST_M1,
            Opcodes.ICONST_0,
            Opcodes.ICONST_1,
            Opcodes.ICONST_2,
            Opcodes.ICONST_3,
            Opcodes.ICONST_4,
            Opcodes.ICONST_5,
            Opcodes.LDC,
            Opcodes.BIPUSH,
            Opcodes.SIPUSH
    );
}

Example 8

Source File: Utils.java From deobfuscator with Apache License 2.0

6 votes

public static AbstractInsnNode getNumberInsn(int num) {
    switch (num) {
    	case -1:
    		return new InsnNode(Opcodes.ICONST_M1);
        case 0:
            return new InsnNode(Opcodes.ICONST_0);
        case 1:
            return new InsnNode(Opcodes.ICONST_1);
        case 2:
            return new InsnNode(Opcodes.ICONST_2);
        case 3:
            return new InsnNode(Opcodes.ICONST_3);
        case 4:
            return new InsnNode(Opcodes.ICONST_4);
        case 5:
            return new InsnNode(Opcodes.ICONST_5);
        default:
        	if(num >= -128 && num <= 127)
        		return new IntInsnNode(Opcodes.BIPUSH, num);
        	else if(num >= -32768 && num <= 32767)
        		return new IntInsnNode(Opcodes.SIPUSH, num);
        	else
        		return new LdcInsnNode(num);
    }
}

Example 9

Source File: Utils.java From deobfuscator with Apache License 2.0

6 votes

public static boolean isInteger(AbstractInsnNode ain)
{
   	if (ain == null) return false;
	if((ain.getOpcode() >= Opcodes.ICONST_M1
		&& ain.getOpcode() <= Opcodes.ICONST_5)
		|| ain.getOpcode() == Opcodes.SIPUSH 
		|| ain.getOpcode() == Opcodes.BIPUSH)
		return true;
	if(ain instanceof LdcInsnNode)
	{
		LdcInsnNode ldc = (LdcInsnNode)ain;
		if(ldc.cst instanceof Integer)
			return true;
	}
	return false;
}

Example 10

Source File: InlineConstantMutator.java From pitest with Apache License 2.0

5 votes

/**
 * Translates the opcode to a number (inline constant) if possible or
 * returns <code>null</code> if the opcode cannot be translated.
 *
 * @param opcode
 *          that might represent an inline constant.
 * @return the value of the inline constant represented by opcode or
 *         <code>null</code> if the opcode does not represent a
 *         number/constant.
 */
private Number translateToNumber(final int opcode) {
  switch (opcode) {
  case Opcodes.ICONST_M1:
    return Integer.valueOf(-1);
  case Opcodes.ICONST_0:
    return Integer.valueOf(0);
  case Opcodes.ICONST_1:
    return Integer.valueOf(1);
  case Opcodes.ICONST_2:
    return Integer.valueOf(2);
  case Opcodes.ICONST_3:
    return Integer.valueOf(3);
  case Opcodes.ICONST_4:
    return Integer.valueOf(4);
  case Opcodes.ICONST_5:
    return Integer.valueOf(5);
  case Opcodes.LCONST_0:
    return Long.valueOf(0L);
  case Opcodes.LCONST_1:
    return Long.valueOf(1L);
  case Opcodes.FCONST_0:
    return Float.valueOf(0F);
  case Opcodes.FCONST_1:
    return Float.valueOf(1F);
  case Opcodes.FCONST_2:
    return Float.valueOf(2F);
  case Opcodes.DCONST_0:
    return Double.valueOf(0D);
  case Opcodes.DCONST_1:
    return Double.valueOf(1D);
  default:
    return null;
  }
}

Example 11

Source File: InlineConstantMutator.java From pitest with Apache License 2.0

5 votes

private void translateToByteCode(final Integer constant) {
  switch (constant) {
  case -1:
    super.visitInsn(Opcodes.ICONST_M1);
    break;
  case 0:
    super.visitInsn(Opcodes.ICONST_0);
    break;
  case 1:
    super.visitInsn(Opcodes.ICONST_1);
    break;
  case 2:
    super.visitInsn(Opcodes.ICONST_2);
    break;
  case 3:
    super.visitInsn(Opcodes.ICONST_3);
    break;
  case 4:
    super.visitInsn(Opcodes.ICONST_4);
    break;
  case 5:
    super.visitInsn(Opcodes.ICONST_5);
    break;
  default:
    super.visitLdcInsn(constant);
    break;
  }
}

Example 12

Source File: AbstractCRCRVisitor.java From pitest with Apache License 2.0

5 votes

Number translateToNumber(final int opcode) {
    switch (opcode) {
        case Opcodes.ICONST_M1:
            return Integer.valueOf(-1);
        case Opcodes.ICONST_0:
            return Integer.valueOf(0);
        case Opcodes.ICONST_1:
            return Integer.valueOf(1);
        case Opcodes.ICONST_2:
            return Integer.valueOf(2);
        case Opcodes.ICONST_3:
            return Integer.valueOf(3);
        case Opcodes.ICONST_4:
            return Integer.valueOf(4);
        case Opcodes.ICONST_5:
            return Integer.valueOf(5);
        case Opcodes.LCONST_0:
            return Long.valueOf(0L);
        case Opcodes.LCONST_1:
            return Long.valueOf(1L);
        case Opcodes.FCONST_0:
            return Float.valueOf(0F);
        case Opcodes.FCONST_1:
            return Float.valueOf(1F);
        case Opcodes.FCONST_2:
            return Float.valueOf(2F);
        case Opcodes.DCONST_0:
            return Double.valueOf(0D);
        case Opcodes.DCONST_1:
            return Double.valueOf(1D);
        default:
            return null;
    }
}

Example 13

Source File: AbstractCRCRVisitor.java From pitest with Apache License 2.0

5 votes

void translateToByteCode(final Integer constant) {
    switch (constant) {
        case -1:
            super.visitInsn(Opcodes.ICONST_M1);
            break;
        case 0:
            super.visitInsn(Opcodes.ICONST_0);
            break;
        case 1:
            super.visitInsn(Opcodes.ICONST_1);
            break;
        case 2:
            super.visitInsn(Opcodes.ICONST_2);
            break;
        case 3:
            super.visitInsn(Opcodes.ICONST_3);
            break;
        case 4:
            super.visitInsn(Opcodes.ICONST_4);
            break;
        case 5:
            super.visitInsn(Opcodes.ICONST_5);
            break;
        default:
            super.visitLdcInsn(constant);
            break;
    }
}

Example 14

Source File: OpUtils.java From JByteMod-Beta with GNU General Public License v2.0

5 votes

/**
 * Get the integer value of a InsnNode.
 * 
 * @param ain
 * @return
 */
public static int getIntValue(AbstractInsnNode ain) {
  int opcode = ain.getOpcode();
  if (opcode >= Opcodes.ICONST_M1 && opcode <= Opcodes.ICONST_5) {
    return getIntValue(opcode);
  } else {
    return ((IntInsnNode) ain).operand;
  }
}

Example 15

Source File: ASMUtils.java From radon with GNU General Public License v3.0

5 votes

public static int getIntegerFromInsn(AbstractInsnNode insn) {
    int opcode = insn.getOpcode();

    if (opcode >= Opcodes.ICONST_M1 && opcode <= Opcodes.ICONST_5) {
        return opcode - 3;
    } else if (insn instanceof IntInsnNode
            && insn.getOpcode() != Opcodes.NEWARRAY) {
        return ((IntInsnNode) insn).operand;
    } else if (insn instanceof LdcInsnNode
            && ((LdcInsnNode) insn).cst instanceof Integer) {
        return (Integer) ((LdcInsnNode) insn).cst;
    }

    throw new RadonException("Unexpected instruction");
}

Example 16

Source File: ASMUtils.java From radon with GNU General Public License v3.0

5 votes

public static boolean isIntInsn(AbstractInsnNode insn) {
    if (insn == null) {
        return false;
    }
    int opcode = insn.getOpcode();
    return ((opcode >= Opcodes.ICONST_M1 && opcode <= Opcodes.ICONST_5)
            || opcode == Opcodes.BIPUSH
            || opcode == Opcodes.SIPUSH
            || (insn instanceof LdcInsnNode
            && ((LdcInsnNode) insn).cst instanceof Integer));
}

Example 17

Source File: OpUtils.java From zelixkiller with GNU General Public License v3.0

5 votes

/**
 * Get the integer value of a InsnNode.
 * 
 * @param ain
 * @return
 */
public static int getIntValue(AbstractInsnNode ain) {
	int opcode = ain.getOpcode();
	if (opcode >= Opcodes.ICONST_M1 && opcode <= Opcodes.ICONST_5) {
		return getIntValue(opcode);
	} else {
		return ((IntInsnNode) ain).operand;
	}
}

Example 18

Source File: OpcodeFormatting.java From Cafebabe with GNU General Public License v3.0

5 votes

/**
 * Get the integer value of a InsnNode.
 * 
 * @param ain
 * @return
 */
public static int getIntValue(AbstractInsnNode ain) {
	int opcode = ain.getOpcode();
	if (opcode >= Opcodes.ICONST_M1 && opcode <= Opcodes.ICONST_5) {
		return getIntValue(opcode);
	} else {
		return ((IntInsnNode) ain).operand;
	}
}

Example 19

Source File: LambdaDesugaring.java From bazel with Apache License 2.0

4 votes

/**
 * Returns whether a given instruction can be used to push argument of {@code type} on stack.
 */
private /* static */ boolean isPushForType(AbstractInsnNode insn, Type type) {
  int opcode = insn.getOpcode();
  if (opcode == type.getOpcode(Opcodes.ILOAD)) {
    return true;
  }
  // b/62060793: AsyncAwait rewrites bytecode to convert java methods into state machine with
  // support of lambdas. Constant zero values are pushed on stack for all yet uninitialized
  // local variables. And SIPUSH instruction is used to advance an internal state of a state
  // machine.
  switch (type.getSort()) {
    case Type.BOOLEAN:
      return opcode == Opcodes.ICONST_0 || opcode == Opcodes.ICONST_1;

    case Type.BYTE:
    case Type.CHAR:
    case Type.SHORT:
    case Type.INT:
      return opcode == Opcodes.SIPUSH
          || opcode == Opcodes.ICONST_0
          || opcode == Opcodes.ICONST_1
          || opcode == Opcodes.ICONST_2
          || opcode == Opcodes.ICONST_3
          || opcode == Opcodes.ICONST_4
          || opcode == Opcodes.ICONST_5
          || opcode == Opcodes.ICONST_M1;

    case Type.LONG:
      return opcode == Opcodes.LCONST_0 || opcode == Opcodes.LCONST_1;

    case Type.FLOAT:
      return opcode == Opcodes.FCONST_0
          || opcode == Opcodes.FCONST_1
          || opcode == Opcodes.FCONST_2;

    case Type.DOUBLE:
      return opcode == Opcodes.DCONST_0 || opcode == Opcodes.DCONST_1;

    case Type.OBJECT:
    case Type.ARRAY:
      return opcode == Opcodes.ACONST_NULL;

    default:
      // Support for BIPUSH and LDC* opcodes is not implemented as there is no known use case.
      return false;
  }
}

Example 20

Source File: StackHelper.java From zelixkiller with GNU General Public License v3.0

4 votes

public InsnValue createConstant(AbstractInsnNode insn) throws AnalyzerException {
	switch (insn.getOpcode()) {
	case Opcodes.ACONST_NULL:
		return InsnValue.NULL_REFERENCE_VALUE;
	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.BIPUSH:
	case Opcodes.SIPUSH:
		return InsnValue.intValue(insn);
	case Opcodes.LCONST_0:
	case Opcodes.LCONST_1:
		return InsnValue.longValue(insn.getOpcode());
	case Opcodes.FCONST_0:
	case Opcodes.FCONST_1:
	case Opcodes.FCONST_2:
		return InsnValue.floatValue(insn.getOpcode());
	case Opcodes.DCONST_0:
	case Opcodes.DCONST_1:
		return InsnValue.doubleValue(insn.getOpcode());
	case Opcodes.LDC:
		Object obj = ((LdcInsnNode) insn).cst;
		if (obj instanceof Type) {
			return new InsnValue((Type) obj);
		} else {
			Type t = Type.getType(obj.getClass());
			int sort = t.getSort();
			// Non-included types:
			// Type.ARRAY
			// Type.VOID
			// Type.METHOD
			switch (sort) {
			case Type.BOOLEAN:
				return InsnValue.intValue((int) obj);
			case Type.CHAR:
				return InsnValue.charValue((char) obj);
			case Type.BYTE:
				return InsnValue.byteValue((byte) obj);
			case Type.SHORT:
				return InsnValue.shortValue((short) obj);
			case Type.INT:
				return InsnValue.intValue((int) obj);
			case Type.FLOAT:
				return InsnValue.floatValue((float) obj);
			case Type.LONG:
				return InsnValue.longValue((long) obj);
			case Type.DOUBLE:
				return InsnValue.doubleValue((double) obj);
			case Type.OBJECT:
				return new InsnValue(t, obj);
			}
			return new InsnValue(t);
		}
	case Opcodes.NEW:
		return new InsnValue(Type.getType(((TypeInsnNode) insn).desc));
	case Opcodes.JSR:
		// TODO: IDK if this is right.
		return InsnValue.REFERENCE_VALUE;
	}

	return null;
}