Example usage for org.objectweb.asm Opcodes IFLE

Introduction

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

Prototype

int IFLE

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

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Usage

From source file:com.google.template.soy.jbcsrc.restricted.BytecodeUtilsTest.java

License:Apache License

@Test
public void testCompareLongs() {
    Expression one = constant(1L);
    Expression two = constant(2L);
    assertThatExpression(compare(Opcodes.IFNE, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFLT, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFLE, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFGT, one, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGE, one, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFEQ, one, two)).evaluatesTo(false);

    assertThatExpression(compare(Opcodes.IFLE, two, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFGE, two, two)).evaluatesTo(true);
}

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From source file:com.google.template.soy.jbcsrc.restricted.BytecodeUtilsTest.java

License:Apache License

@Test
public void testCompareDoubles() {
    Expression one = constant(1D);
    Expression two = constant(2D);
    Expression nan = constant(Double.NaN);

    assertThatExpression(compare(Opcodes.IFNE, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFLT, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFLE, one, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFGT, one, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGE, one, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFEQ, one, two)).evaluatesTo(false);

    assertThatExpression(compare(Opcodes.IFLE, two, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFGE, two, two)).evaluatesTo(true);

    // There are special cases for NaN that we need to test, basically every expression involving
    // NaN should evaluate to false with the exception of NaN != * which always == true
    assertThatExpression(compare(Opcodes.IFNE, nan, two)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFNE, two, nan)).evaluatesTo(true);
    assertThatExpression(compare(Opcodes.IFNE, nan, nan)).evaluatesTo(true);

    assertThatExpression(compare(Opcodes.IFEQ, nan, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFEQ, two, nan)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFEQ, nan, nan)).evaluatesTo(false);

    assertThatExpression(compare(Opcodes.IFLE, nan, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFLE, two, nan)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFLT, nan, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFLT, two, nan)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGE, nan, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGE, two, nan)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGT, nan, two)).evaluatesTo(false);
    assertThatExpression(compare(Opcodes.IFGT, two, nan)).evaluatesTo(false);
}

---

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

License:Apache License

public void visitJumpInsn(final int opcode, final Label label) {
    if (opcode == Opcodes.GOTO) {
        recorder.add(new Runnable() {
            public void run() {
                block.addOp(new Transform(lineNumber, "GOTO", null, null, null));
                block.unconditionalGoto(label);
            }/*from   w  w w  . jav  a2 s .c o  m*/
        });
    } else if (opcode == Opcodes.JSR) {
        recorder.add(new Runnable() {
            public void run() {
                block.jumpSubroutine(label, lineNumber);
            }
        });
    } else {
        recorder.add(new Runnable() {
            public void run() {
                cyclomaticComplexity.add(lineNumber);
                switch (opcode) {
                case Opcodes.IFEQ:
                    if1("IFEQ");
                    break;
                case Opcodes.IFNE:
                    if1("IFNE");
                    break;
                case Opcodes.IFLT:
                    if1("IFLT");
                    break;
                case Opcodes.IFGE:
                    if1("IFGE");
                    break;
                case Opcodes.IFGT:
                    if1("IFGT");
                    break;
                case Opcodes.IFLE:
                    if1("IFLE");
                    break;
                case Opcodes.IFNONNULL:
                    if1("IFNONNULL");
                    break;
                case Opcodes.IFNULL:
                    if1("IFNULL");
                    break;
                case Opcodes.IF_ACMPEQ:
                    if2("IF_ACMPEQ");
                    break;
                case Opcodes.IF_ACMPNE:
                    if2("IF_ACMPNE");
                    break;
                case Opcodes.IF_ICMPEQ:
                    if2("IF_ICMPEQ");
                    break;
                case Opcodes.IF_ICMPGE:
                    if2("IF_ICMPGE");
                    break;
                case Opcodes.IF_ICMPGT:
                    if2("IF_ICMPGT");
                    break;
                case Opcodes.IF_ICMPLE:
                    if2("IF_ICMPLE");
                    break;
                case Opcodes.IF_ICMPLT:
                    if2("IF_ICMPLT");
                    break;
                case Opcodes.IF_ICMPNE:
                    if2("IF_ICMPNE");
                    break;
                default:
                    throw new UnsupportedOperationException("" + opcode);
                }
                block.conditionalGoto(label);
            }

            private void if1(String name) {
                block.addOp(new Transform(lineNumber, name, JavaType.INT, null, null));
            }

            private void if2(String name) {
                block.addOp(new Transform(lineNumber, name, JavaType.INT, JavaType.INT, null));
            }
        });
    }
}

---

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

License:Apache License

public void performJumpInsn(int opcode, Label label) {
    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        pop();/*from w  ww  . j  a v  a  2s . c  o m*/
        break;

    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        pop2();
        break;

    case Opcodes.GOTO:
        //nop
        break;

    case Opcodes.JSR:
        //nop -- a fudge
        break;
    }
}

---

From source file:com.nginious.http.xsp.expr.LessOperator.java

License:Apache License

/**
 * Creates bytecode for evaluating the argument values as doubles. The bytecode
 * is generated using the specified method visitor.
 * /*from   w  ww .  ja  v  a2 s . c o m*/
 * @param visitor the method visitor
 */
private void compileDouble(MethodVisitor visitor) {
    Label labelFalse = new Label();
    Label labelEnd = new Label();

    value2.compile(visitor, Type.DOUBLE);
    value1.compile(visitor, Type.DOUBLE);

    visitor.visitInsn(Opcodes.DCMPL);
    visitor.visitJumpInsn(Opcodes.IFLE, labelFalse);

    // True
    visitor.visitLdcInsn(true);
    visitor.visitJumpInsn(Opcodes.GOTO, labelEnd);

    // False
    visitor.visitLabel(labelFalse);
    visitor.visitLdcInsn(false);

    visitor.visitLabel(labelEnd);
}

---

From source file:com.nginious.http.xsp.expr.MoreOperator.java

License:Apache License

/**
 * Creates bytecode for evaluating the argument values as doubles. The bytecode
 * is generated using the specified method visitor.
 * /*from www .  j  a v  a  2 s . c  o m*/
 * @param visitor the method visitor
 */
private void compileDouble(MethodVisitor visitor) {
    Label labelFalse = new Label();
    Label labelEnd = new Label();

    value1.compile(visitor, Type.DOUBLE);
    value2.compile(visitor, Type.DOUBLE);

    visitor.visitInsn(Opcodes.DCMPL);
    visitor.visitJumpInsn(Opcodes.IFLE, labelFalse);

    // True
    visitor.visitLdcInsn(true);
    visitor.visitJumpInsn(Opcodes.GOTO, labelEnd);

    // False
    visitor.visitLabel(labelFalse);
    visitor.visitLdcInsn(false);

    visitor.visitLabel(labelEnd);
}

---

From source file:com.retroduction.carma.transformer.asm.ror.IFGT_2_IFLE_Transition.java

License:Open Source License

public IFGT_2_IFLE_Transition() {
    super();
    this.sourceInstruction = Opcodes.IFGT;
    this.targetInstruction = Opcodes.IFLE;
}

---

From source file:com.retroduction.carma.transformer.asm.ror.IFLE_2_IFGT_Transition.java

License:Open Source License

public IFLE_2_IFGT_Transition() {
    super();
    this.sourceInstruction = Opcodes.IFLE;
    this.targetInstruction = Opcodes.IFGT;
}

---

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

License:Apache License

@Override
public void visitJumpInsn(int opcode, Label label) {
    int etype;/* w  w  w . j  a va 2  s. com*/
    switch (opcode) {
    case Opcodes.GOTO:

        go(label);

        return;
    default:
    case Opcodes.JSR:
        throw notLambda(opcode);
    case Opcodes.IFEQ:
        etype = ExpressionType.NotEqual; // Equal
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IFNE:
        etype = ExpressionType.Equal; // NotEqual
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IFLT:
        etype = ExpressionType.GreaterThanOrEqual; // LessThan
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IFGE:
        etype = ExpressionType.LessThan; // GreaterThanOrEqual
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IFGT:
        etype = ExpressionType.LessThanOrEqual; // GreaterThan
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IFLE:
        etype = ExpressionType.GreaterThan; // LessThanOrEqual
        pushZeroConstantOrReduce();
        break;
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ACMPEQ: // ??
        etype = ExpressionType.NotEqual; // Equal
        break;
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ACMPNE: // ??
        etype = ExpressionType.Equal; // NotEqual
        break;
    case Opcodes.IF_ICMPLT:
        etype = ExpressionType.GreaterThanOrEqual; // LessThan
        break;
    case Opcodes.IF_ICMPGE:
        etype = ExpressionType.LessThan; // GreaterThanOrEqual
        break;
    case Opcodes.IF_ICMPGT:
        etype = ExpressionType.LessThanOrEqual; // GreaterThan
        break;
    case Opcodes.IF_ICMPLE:
        etype = ExpressionType.GreaterThan; // LessThanOrEqual
        break;
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        Expression e = Expression.isNull(_exprStack.pop());
        if (opcode == Opcodes.IFNULL) // IFNONNULL
            e = Expression.logicalNot(e);

        branch(label, e);

        return;
    }

    Expression second = _exprStack.pop();
    Expression first = _exprStack.pop();
    Expression e = Expression.binary(etype, first, second);

    branch(label, e);
}

---

From source file:com.yahoo.yqlplus.engine.internal.compiler.BooleanCompareExpression.java

@Override
public void generate(CodeEmitter code) {
    code.exec(new CompareExpression(loc, leftExpr, rightExpr));
    MethodVisitor mv = code.getMethodVisitor();
    Label isTrue = new Label();
    Label done = new Label();
    switch (booleanComparison) {
    case LT:/*from w w w .j  a va 2s .c o  m*/
        mv.visitJumpInsn(Opcodes.IFLT, isTrue);
        break;
    case LTEQ:
        mv.visitJumpInsn(Opcodes.IFLE, isTrue);
        break;
    case GT:
        mv.visitJumpInsn(Opcodes.IFGT, isTrue);
        break;
    case GTEQ:
        mv.visitJumpInsn(Opcodes.IFGE, isTrue);
        break;
    }
    code.emitBooleanConstant(false);
    mv.visitJumpInsn(Opcodes.GOTO, done);
    mv.visitLabel(isTrue);
    code.emitBooleanConstant(true);
    mv.visitLabel(done);
}

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