Example usage for org.objectweb.asm Opcodes IFEQ

Introduction

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

Prototype

int IFEQ

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

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Usage

From source file:org.elasticsearch.painless.node.SWhile.java

License:Apache License

@Override
void write(MethodWriter writer, Globals globals) {
    writer.writeStatementOffset(location);

    Label begin = new Label();
    Label end = new Label();

    writer.mark(begin);/* ww  w  . ja v  a2s.  com*/

    if (!continuous) {
        condition.write(writer, globals);
        writer.ifZCmp(Opcodes.IFEQ, end);
    }

    if (block != null) {
        if (loopCounter != null) {
            writer.writeLoopCounter(loopCounter.getSlot(), Math.max(1, block.statementCount), location);
        }

        block.continu = begin;
        block.brake = end;
        block.write(writer, globals);
    } else {
        if (loopCounter != null) {
            writer.writeLoopCounter(loopCounter.getSlot(), 1, location);
        }
    }

    if (block == null || !block.allEscape) {
        writer.goTo(begin);
    }

    writer.mark(end);
}

---

From source file:org.elasticsearch.painless.Writer.java

License:Apache License

void checkWriteBranch(final ParserRuleContext source) {
    final Branch branch = getBranch(source);

    if (branch != null) {
        if (branch.tru != null) {
            execute.visitJumpInsn(Opcodes.IFNE, branch.tru);
        } else if (branch.fals != null) {
            execute.visitJumpInsn(Opcodes.IFEQ, branch.fals);
        }/*from   w  w  w.jav  a2  s.c  om*/
    }
}

---

From source file:org.elasticsearch.plan.a.Adapter.java

License:Apache License

void checkWriteBranch(final MethodVisitor visitor, final ParserRuleContext source) {
    final Branch branch = getBranch(source);

    if (branch != null) {
        if (branch.tru != null) {
            visitor.visitJumpInsn(Opcodes.IFNE, branch.tru);
        } else if (branch.fals != null) {
            visitor.visitJumpInsn(Opcodes.IFEQ, branch.fals);
        }/*from w  ww.j a  v  a 2 s .  c  o m*/
    }
}

---

From source file:org.evosuite.graphs.cfg.BytecodeInstructionPool.java

License:Open Source License

/**
 * Determine how many bytes the current instruction occupies together with
 * its operands//  w w w  . jav  a2  s  . c  o  m
 * 
 * @return
 */
private int getBytecodeIncrement(AbstractInsnNode instructionNode) {
    int opcode = instructionNode.getOpcode();
    switch (opcode) {
    case Opcodes.ALOAD: // index
    case Opcodes.ASTORE: // index
    case Opcodes.DLOAD:
    case Opcodes.DSTORE:
    case Opcodes.FLOAD:
    case Opcodes.FSTORE:
    case Opcodes.ILOAD:
    case Opcodes.ISTORE:
    case Opcodes.LLOAD:
    case Opcodes.LSTORE:
        VarInsnNode varNode = (VarInsnNode) instructionNode;
        if (varNode.var > 3)
            return 1;
        else
            return 0;
    case Opcodes.BIPUSH: // byte
    case Opcodes.NEWARRAY:
    case Opcodes.RET:
        return 1;
    case Opcodes.LDC:
        LdcInsnNode ldcNode = (LdcInsnNode) instructionNode;
        if (ldcNode.cst instanceof Double || ldcNode.cst instanceof Long)
            return 2; // LDC2_W
        else
            return 1;
    case 19: //LDC_W
    case 20: //LDC2_W
        return 2;
    case Opcodes.ANEWARRAY: // indexbyte1, indexbyte2
    case Opcodes.CHECKCAST: // indexbyte1, indexbyte2
    case Opcodes.GETFIELD:
    case Opcodes.GETSTATIC:
    case Opcodes.GOTO:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IFLE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFNE:
    case Opcodes.IFEQ:
    case Opcodes.IFNONNULL:
    case Opcodes.IFNULL:
    case Opcodes.IINC:
    case Opcodes.INSTANCEOF:
    case Opcodes.INVOKESPECIAL:
    case Opcodes.INVOKESTATIC:
    case Opcodes.INVOKEVIRTUAL:
    case Opcodes.JSR:
    case Opcodes.NEW:
    case Opcodes.PUTFIELD:
    case Opcodes.PUTSTATIC:
    case Opcodes.SIPUSH:
        // case Opcodes.LDC_W
        // case Opcodes.LDC2_W

        return 2;
    case Opcodes.MULTIANEWARRAY:
        return 3;
    case Opcodes.INVOKEDYNAMIC:
    case Opcodes.INVOKEINTERFACE:
        return 4;

    case Opcodes.LOOKUPSWITCH:
    case Opcodes.TABLESWITCH:
        // TODO: Could be more
        return 4;
    // case Opcodes.GOTO_W 
    // case Opcodes.JSR_W
    }
    return 0;
}

---

From source file:org.evosuite.instrumentation.coverage.BranchInstrumentation.java

License:Open Source License

/**
 * <p>//w  ww. j  a  v a  2s.co  m
 * getInstrumentation
 * </p>
 *
 * @param instruction
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @return a {@link org.objectweb.asm.tree.InsnList} object.
 */
protected InsnList getInstrumentation(BytecodeInstruction instruction) {
    if (instruction == null)
        throw new IllegalArgumentException("null given");
    if (!instruction.isActualBranch())
        throw new IllegalArgumentException("branch instruction expected");
    if (!BranchPool.getInstance(classLoader).isKnownAsNormalBranchInstruction(instruction))
        throw new IllegalArgumentException(
                "expect given instruction to be known by the BranchPool as a normal branch instruction");

    int opcode = instruction.getASMNode().getOpcode();
    int instructionId = instruction.getInstructionId();
    int branchId = BranchPool.getInstance(classLoader).getActualBranchIdForNormalBranchInstruction(instruction);
    if (branchId < 0)
        throw new IllegalStateException("expect BranchPool to know branchId for all branch instructions");

    InsnList instrumentation = new InsnList();

    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
        instrumentation.add(new InsnNode(Opcodes.DUP));
        instrumentation.add(new LdcInsnNode(opcode));
        // instrumentation.add(new LdcInsnNode(id));
        instrumentation.add(new LdcInsnNode(branchId));
        instrumentation.add(new LdcInsnNode(instructionId));
        instrumentation.add(
                new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIII)V", false));
        logger.debug("Adding passedBranch val=?, opcode=" + opcode + ", branch=" + branchId + ", bytecode_id="
                + instructionId);

        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:
        instrumentation.add(new InsnNode(Opcodes.DUP2));
        instrumentation.add(new LdcInsnNode(opcode));
        // instrumentation.add(new LdcInsnNode(id));
        instrumentation.add(new LdcInsnNode(branchId));
        instrumentation.add(new LdcInsnNode(instructionId));
        instrumentation.add(
                new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIIII)V", false));
        break;
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        instrumentation.add(new InsnNode(Opcodes.DUP2));
        instrumentation.add(new LdcInsnNode(opcode));
        // instrumentation.add(new LdcInsnNode(id));
        instrumentation.add(new LdcInsnNode(branchId));
        instrumentation.add(new LdcInsnNode(instructionId));
        instrumentation.add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch",
                "(Ljava/lang/Object;Ljava/lang/Object;III)V", false));
        break;
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        instrumentation.add(new InsnNode(Opcodes.DUP));
        instrumentation.add(new LdcInsnNode(opcode));
        // instrumentation.add(new LdcInsnNode(id));
        instrumentation.add(new LdcInsnNode(branchId));
        instrumentation.add(new LdcInsnNode(instructionId));
        instrumentation.add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch",
                "(Ljava/lang/Object;III)V", false));
        break;
    }
    return instrumentation;
}

---

From source file:org.evosuite.instrumentation.coverage.BranchInstrumentation.java

License:Open Source License

/**
 * <p>/*from  w ww. j ava2s  . c om*/
 * addDefaultCaseCoveredCall
 * </p>
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @param defaultCaseBranchId
 *            a int.
 */
protected void addDefaultCaseCoveredCall(BytecodeInstruction v, InsnList instrumentation,
        int defaultCaseBranchId) {

    instrumentation.add(new LdcInsnNode(0));
    instrumentation.add(new LdcInsnNode(Opcodes.IFEQ));
    instrumentation.add(new LdcInsnNode(defaultCaseBranchId));
    instrumentation.add(new LdcInsnNode(v.getInstructionId()));
    instrumentation
            .add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIII)V", false));

}

---

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

private String getOp(int opcode) {
    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ICMPEQ:
        return "==";
    case Opcodes.IFNE:
    case Opcodes.IF_ACMPNE:
    case Opcodes.IF_ICMPNE:
        return "!=";
    case Opcodes.IFLT:
    case Opcodes.IF_ICMPLT:
        return "<";
    case Opcodes.IFLE:
    case Opcodes.IF_ICMPLE:
        return "<=";
    case Opcodes.IFGT:
    case Opcodes.IF_ICMPGT:
        return ">";
    case Opcodes.IFGE:
    case Opcodes.IF_ICMPGE:
        return ">=";
    case Opcodes.IFNULL:
        return "= null";
    case Opcodes.IFNONNULL:
        return "!= null";
    }//w  w  w .  ja v  a  2  s.co m
    throw new RuntimeException("Unknown opcode: " + opcode);
}

---

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

/**
 * <p>getInfectionDistance</p>
 *
 * @param opcodeOrig a int.//w  w w  . ja  va  2  s  .co  m
 * @param opcodeNew a int.
 * @return a {@link org.objectweb.asm.tree.InsnList} object.
 */
public InsnList getInfectionDistance(int opcodeOrig, int opcodeNew) {
    InsnList distance = new InsnList();
    switch (opcodeOrig) {
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                PackageInfo.getNameWithSlash(ReplaceComparisonOperator.class), "getInfectionDistance",
                "(IIII)D", false));
        break;

    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
        distance.add(new InsnNode(Opcodes.DUP));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
                PackageInfo.getNameWithSlash(ReplaceComparisonOperator.class), "getInfectionDistance", "(III)D",
                false));
        break;

    default:
        distance.add(new LdcInsnNode(0.0));
    }

    return distance;
}

---

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

/**
 * <p>getInfectionDistance</p>
 *
 * @param intVal a int./*from   w  w  w.  j av  a  2 s  .c o  m*/
 * @param opcodeOrig a int.
 * @param opcodeNew a int.
 * @return a double.
 */
public static double getInfectionDistance(int intVal, int opcodeOrig, int opcodeNew) {
    long val = intVal;
    switch (opcodeOrig) {
    case Opcodes.IFLT:
        switch (opcodeNew) {
        case Opcodes.IFLE:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            // Only differs for val <= 0
            return val > 0 ? val : 0.0;
        case Opcodes.IFGT:
            // Only same for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFGE:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs for val > 0
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case TRUE:
            return val < 0 ? 1.0 : 0.0;
        case FALSE:
            return val < 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFLE:
        switch (opcodeNew) {
        case Opcodes.IFLT:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            // Only equals for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFGT:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs if val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case TRUE:
            return val <= 0 ? 1.0 : 0.0;
        case FALSE:
            return val <= 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFGT:
        switch (opcodeNew) {
        case Opcodes.IFGE:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            // Only differs for val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFLT:
            // Only same for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFLE:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs for val < 0
            return val >= 0 ? val + 1.0 : 0.0;
        case TRUE:
            return val > 0 ? 1.0 : 0.0;
        case FALSE:
            return val > 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFGE:
        switch (opcodeNew) {
        case Opcodes.IFGT:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case Opcodes.IFLE:
            // Only equals for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFLT:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs if val > 0
            return val > 0 ? val : 0.0;
        case TRUE:
            return val >= 0 ? 1.0 : 0.0;
        case FALSE:
            return val >= 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFEQ:
        switch (opcodeNew) {
        case Opcodes.IFLT:
            // Only differs if val <= 0
            return val > 0 ? val : 0.0;
        case Opcodes.IFGT:
            // Only differs if val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFNE:
            // Always differs
            return 0.0;
        case Opcodes.IFLE:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case TRUE:
            return val == 0 ? 1.0 : 0.0;
        case FALSE:
            return val == 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFNE:
        switch (opcodeNew) {
        case Opcodes.IFEQ:
            return 0.0;
        case Opcodes.IFLT:
            // Only differs for val > 0
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case Opcodes.IFLE:
            // Only differs for val > 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFGT:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            return val > 0 ? val : 0.0;
        case TRUE:
            return val != 0 ? 1.0 : 0.0;
        case FALSE:
            return val != 0 ? 0.0 : 1.0;
        }

    }

    throw new RuntimeException("Unknown operator replacement: " + opcodeOrig + " -> " + opcodeNew);
}

---

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

private int getBooleanIntReplacement(int opcode) {
    logger.debug("Getting Boolean int replacement");
    switch (opcode) {
    case Opcodes.IFEQ:
        return Opcodes.IFNE;
    case Opcodes.IFNE:
        return Opcodes.IFEQ;
    case Opcodes.IFGT:
        return Opcodes.IFEQ;
    case Opcodes.IFLE:
        return Opcodes.IFGT;
    // The rest should not occur except if our interpreter did something wrong
    case Opcodes.IFGE:
        return Opcodes.IFLT;
    case Opcodes.IFLT:
        return Opcodes.IFGE;
    }//from   w w w  .  ja va2 s.c  o m
    throw new RuntimeException("Illegal opcode received: " + opcode);
}

---

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