org.objectweb.asm.Opcodes# DADD 源码实例Demo

下面列出了org.objectweb.asm.Opcodes# DADD 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： pitest 文件： ReturnValuesMutator.java


/**
 * Mutates a primitive double return (<code>Opcode.DRETURN</code>). The
 * strategy used was translated from jumble BCEL code. The following is
 * complicated by the problem of <tt>NaN</tt>s. By default the new value is
 * <code>-(x + 1)</code>, but this doesn't work for <tt>NaN</tt>s. But for a
 * <tt>NaN</tt> <code>x != x</code> is true, and we use this to detect them.
 *
 * @see #mutatePrimitiveFloatReturn()
 */
private void mutatePrimitiveDoubleReturn() {
  if (shouldMutate("primitive double", "(x != NaN)? -(x + 1) : -1 ")) {
    final Label label = new Label();

    super.visitInsn(Opcodes.DUP2);
    super.visitInsn(Opcodes.DUP2);
    super.visitInsn(Opcodes.DCMPG);
    super.visitJumpInsn(Opcodes.IFEQ, label);

    super.visitInsn(Opcodes.POP2);
    super.visitInsn(Opcodes.DCONST_0);

    // the following code is executed in NaN case, too
    super.visitLabel(label);
    super.visitInsn(Opcodes.DCONST_1);
    super.visitInsn(Opcodes.DADD);
    super.visitInsn(Opcodes.DNEG);
    super.visitInsn(Opcodes.DRETURN);
  }
}

源代码2 项目： es6draft 文件： InstructionAssembler.java


public final void add(Type type) {
    switch (type.getOpcode(Opcodes.IADD)) {
    case Opcodes.IADD:
        iadd();
        return;
    case Opcodes.LADD:
        ladd();
        return;
    case Opcodes.FADD:
        fadd();
        return;
    case Opcodes.DADD:
        dadd();
        return;
    default:
        throw new IllegalArgumentException();
    }
}

源代码3 项目： Bats 文件： AsmUtil.java


/**
 * Determine if the given opcode is an ADD of some kind (xADD).
 *
 * @param opcode the opcode
 * @return true if the opcode is one of the ADDs, false otherwise
 */
public static boolean isXadd(final int opcode) {
  switch(opcode) {
  case Opcodes.IADD:
  case Opcodes.DADD:
  case Opcodes.FADD:
  case Opcodes.LADD:
    return true;
  }

  return false;
}

源代码4 项目： jphp 文件： CompilerUtils.java


public static int getOperatorOpcode(OperatorExprToken operator, StackItem.Type type){
    if (operator instanceof PlusExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DADD;
            case FLOAT: return Opcodes.FADD;
            case LONG: return Opcodes.LADD;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.IADD;
        }
    }

    if (operator instanceof MinusExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DSUB;
            case FLOAT: return Opcodes.FSUB;
            case LONG: return Opcodes.LSUB;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.ISUB;
        }
    }

    if (operator instanceof MulExprToken){
        switch (type){
            case DOUBLE: return Opcodes.DMUL;
            case FLOAT: return Opcodes.FMUL;
            case LONG: return Opcodes.LMUL;
            case BYTE:
            case SHORT:
            case INT: return Opcodes.IMUL;
        }
    }

    throw new IllegalArgumentException("Unknown operator " + operator.getWord() + " for type " + type.name());
}

源代码5 项目： turin-programming-language 文件： BytecodeUtils.java


public static MathOperationBS createMathOperation(JvmTypeCategory operandsType, MathOperation.Operator operator) {
    int opcode;
    switch (operator) {
        case MULTIPLICATION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IMUL;
                    break;
                case LONG:
                    opcode = Opcodes.LMUL;
                    break;
                case FLOAT:
                    opcode = Opcodes.FMUL;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DMUL;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case SUM:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IADD;
                    break;
                case LONG:
                    opcode = Opcodes.LADD;
                    break;
                case FLOAT:
                    opcode = Opcodes.FADD;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DADD;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case SUBTRACTION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.ISUB;
                    break;
                case LONG:
                    opcode = Opcodes.LSUB;
                    break;
                case FLOAT:
                    opcode = Opcodes.FSUB;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DSUB;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        case DIVISION:
            switch (operandsType) {
                case INT:
                    opcode = Opcodes.IDIV;
                    break;
                case LONG:
                    opcode = Opcodes.LDIV;
                    break;
                case FLOAT:
                    opcode = Opcodes.FDIV;
                    break;
                case DOUBLE:
                    opcode = Opcodes.DDIV;
                    break;
                default:
                    throw new UnsupportedOperationException(operator + " " +operandsType.name());
            }
            break;
        default:
            throw new UnsupportedOperationException(operator.name());
    }
    return new MathOperationBS(opcode);
}

源代码6 项目： CodenameOne 文件： ArithmeticExpression.java


public static boolean isBinaryOp(Instruction instr) {
    switch (instr.getOpcode()) {
        case Opcodes.ISHL:
        case Opcodes.ISHR:
        case Opcodes.LSHL:
        case Opcodes.LSHR:
        case Opcodes.IUSHR:
        case Opcodes.LUSHR:
        case Opcodes.DCMPG:
        case Opcodes.DCMPL:
        case Opcodes.FCMPG:
        case Opcodes.FCMPL:
        case Opcodes.LCMP:
        case Opcodes.IOR:
        case Opcodes.LOR:
        case Opcodes.IXOR:
        case Opcodes.LXOR:
        case Opcodes.IAND:
        case Opcodes.LAND:
        case Opcodes.FADD:
        case Opcodes.DADD:
        case Opcodes.IADD:
        case Opcodes.LADD:
        case Opcodes.FSUB:
        case Opcodes.DSUB:
        case Opcodes.ISUB:
        case Opcodes.LSUB:
        case Opcodes.FDIV:
        case Opcodes.DDIV:
        case Opcodes.LDIV:
        case Opcodes.IDIV:
        case Opcodes.IREM:
        case Opcodes.FREM:
        case Opcodes.DREM:
        case Opcodes.LREM:
        case Opcodes.FMUL:
        case Opcodes.DMUL:
        case Opcodes.IMUL:
        case Opcodes.LMUL:
            return true;
    }
    return false;
}

源代码7 项目： CodenameOne 文件： ArithmeticExpression.java


public static boolean isArithmeticOp(Instruction instr) {
    
    switch (instr.getOpcode()) {
        case Opcodes.ISHL:
        case Opcodes.ISHR:
        case Opcodes.LSHL:
        case Opcodes.LSHR:
        case Opcodes.IUSHR:
        case Opcodes.LUSHR:
        
        case Opcodes.DCMPG:
        case Opcodes.DCMPL:
        case Opcodes.FCMPG:
        case Opcodes.FCMPL:
        case Opcodes.LCMP:
        case Opcodes.FNEG:
        case Opcodes.DNEG:
        case Opcodes.INEG:
        case Opcodes.D2F:
        case Opcodes.D2I:
        case Opcodes.D2L:
        case Opcodes.F2D:
        case Opcodes.F2I:
        case Opcodes.F2L:
        case Opcodes.L2D:
        case Opcodes.L2F:
        case Opcodes.L2I:
        case Opcodes.I2L:
        case Opcodes.I2B:
        case Opcodes.I2C:
        case Opcodes.I2D:
        case Opcodes.I2F:
        case Opcodes.I2S:
        case Opcodes.IOR:
        case Opcodes.LOR:
        case Opcodes.IXOR:
        case Opcodes.LXOR:
        case Opcodes.IAND:
        case Opcodes.LAND:
        case Opcodes.FADD:
        case Opcodes.DADD:
        case Opcodes.IADD:
        case Opcodes.LADD:
        case Opcodes.FSUB:
        case Opcodes.DSUB:
        case Opcodes.ISUB:
        case Opcodes.LSUB:
        case Opcodes.FDIV:
        case Opcodes.DDIV:
        case Opcodes.LDIV:
        case Opcodes.IDIV:
        case Opcodes.IREM:
        case Opcodes.FREM:
        case Opcodes.DREM:
        case Opcodes.LREM:
        case Opcodes.FMUL:
        case Opcodes.DMUL:
        case Opcodes.IMUL:
        case Opcodes.LMUL:
            return true;
    }
    return false;
}

源代码8 项目： pitest 文件： AOD1Mutator.java


@Override
public void visitInsn(int opcode) {
    switch (opcode) {
        case Opcodes.IADD:
        case Opcodes.ISUB:
        case Opcodes.IMUL:
        case Opcodes.IDIV:
        case Opcodes.IREM:
            if (this.shouldMutate("integer"))  {
                mv.visitInsn(Opcodes.POP);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.FADD:
        case Opcodes.FSUB:
        case Opcodes.FMUL:
        case Opcodes.FDIV:
        case Opcodes.FREM:
            if (this.shouldMutate("float"))  {
                mv.visitInsn(Opcodes.POP);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.LADD:
        case Opcodes.LSUB:
        case Opcodes.LMUL:
        case Opcodes.LDIV:
        case Opcodes.LREM:
            if (this.shouldMutate("long"))  {
                mv.visitInsn(Opcodes.POP2);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        case Opcodes.DADD:
        case Opcodes.DSUB:
        case Opcodes.DMUL:
        case Opcodes.DDIV:
        case Opcodes.DREM:
            if (this.shouldMutate("double"))  {
                mv.visitInsn(Opcodes.POP2);
            } else  {
                mv.visitInsn(opcode);
            }
            break;
        default:
            mv.visitInsn(opcode);
            break;
    }
}

方法所在类

org.objectweb.asm.Opcodes