Example usage for org.objectweb.asm Opcodes DRETURN

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

Introduction

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

Prototype

int DRETURN

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

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Usage

From source file:org.jacoco.core.internal.flow.LabelFlowAnalyzer.java

License:Open Source License

@Override
public void visitInsn(final int opcode) {
    switch (opcode) {
    case Opcodes.RET:
        throw new AssertionError("Subroutines not supported.");
    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:
    case Opcodes.RETURN:
    case Opcodes.ATHROW:
        successor = false;//ww  w  .j  av  a 2s. c  om
        break;
    default:
        successor = true;
        break;
    }
    first = false;
}

From source file:org.jacoco.core.internal.flow.MethodProbesAdapter.java

License:Open Source License

@Override
public void visitInsn(final int opcode) {
    switch (opcode) {
    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:
    case Opcodes.RETURN:
    case Opcodes.ATHROW:
        probesVisitor.visitInsnWithProbe(opcode, idGenerator.nextId());
        break;/*from ww  w .ja  va 2s .c  om*/
    default:
        probesVisitor.visitInsn(opcode);
        break;
    }
}

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitInsn(final int opcode) {
    final Object t1, t2, t3, t4;
    switch (opcode) {
    case Opcodes.NOP:
    case Opcodes.RETURN:
        break;/*from   www .  ja v a  2  s.  co  m*/
    case Opcodes.ARETURN:
    case Opcodes.ATHROW:
    case Opcodes.FRETURN:
    case Opcodes.IRETURN:
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        pop(1);
        break;
    case Opcodes.DRETURN:
    case Opcodes.LRETURN:
    case Opcodes.POP2:
        pop(2);
        break;
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.FASTORE:
    case Opcodes.IASTORE:
    case Opcodes.SASTORE:
        pop(3);
        break;
    case Opcodes.LASTORE:
    case Opcodes.DASTORE:
        pop(4);
        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(Opcodes.INTEGER);
        break;
    case Opcodes.ARRAYLENGTH:
    case Opcodes.F2I:
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
    case Opcodes.INEG:
        pop(1);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.D2I:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.IADD:
    case Opcodes.IALOAD:
    case Opcodes.IAND:
    case Opcodes.IDIV:
    case Opcodes.IMUL:
    case Opcodes.IOR:
    case Opcodes.IREM:
    case Opcodes.ISHL:
    case Opcodes.ISHR:
    case Opcodes.ISUB:
    case Opcodes.IUSHR:
    case Opcodes.IXOR:
    case Opcodes.L2I:
    case Opcodes.SALOAD:
        pop(2);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.LCMP:
        pop(4);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        push(Opcodes.FLOAT);
        break;
    case Opcodes.FNEG:
    case Opcodes.I2F:
        pop(1);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.D2F:
    case Opcodes.FADD:
    case Opcodes.FALOAD:
    case Opcodes.FDIV:
    case Opcodes.FMUL:
    case Opcodes.FREM:
    case Opcodes.FSUB:
    case Opcodes.L2F:
        pop(2);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2L:
    case Opcodes.I2L:
        pop(1);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.D2L:
    case Opcodes.LALOAD:
    case Opcodes.LNEG:
        pop(2);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LSHL:
    case Opcodes.LSHR:
    case Opcodes.LUSHR:
        pop(3);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LADD:
    case Opcodes.LAND:
    case Opcodes.LDIV:
    case Opcodes.LMUL:
    case Opcodes.LOR:
    case Opcodes.LREM:
    case Opcodes.LSUB:
    case Opcodes.LXOR:
        pop(4);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2D:
    case Opcodes.I2D:
        pop(1);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DALOAD:
    case Opcodes.DNEG:
    case Opcodes.L2D:
        pop(2);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DADD:
    case Opcodes.DDIV:
    case Opcodes.DMUL:
    case Opcodes.DREM:
    case Opcodes.DSUB:
        pop(4);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.ACONST_NULL:
        push(Opcodes.NULL);
        break;
    case Opcodes.AALOAD:
        pop(1);
        t1 = pop();
        push(Type.getType(((String) t1).substring(1)));
        break;
    case Opcodes.DUP:
        t1 = pop();
        push(t1);
        push(t1);
        break;
    case Opcodes.DUP_X1:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2:
        t1 = pop();
        t2 = pop();
        push(t2);
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X1:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t2);
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        t4 = pop();
        push(t2);
        push(t1);
        push(t4);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.SWAP:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitInsn(opcode);
}

From source file:org.jacoco.core.test.validation.java5.StructuredLockingTest.java

License:Open Source License

private void assertStructuredLocking(String owner, MethodNode mn) throws Exception {
    Analyzer<BasicValue> analyzer = new Analyzer<BasicValue>(new BasicInterpreter()) {

        @Override//w  w w . j a  va 2 s  . c o m
        protected Frame<BasicValue> newFrame(int nLocals, int nStack) {
            return new LockFrame(nLocals, nStack);
        }

        @Override
        protected Frame<BasicValue> newFrame(Frame<? extends BasicValue> src) {
            return new LockFrame(src);
        }
    };

    Frame<BasicValue>[] frames = analyzer.analyze(owner, mn);

    // Make sure no locks are left when method exits:
    for (int i = 0; i < frames.length; i++) {
        AbstractInsnNode insn = mn.instructions.get(i);
        switch (insn.getOpcode()) {
        case Opcodes.IRETURN:
        case Opcodes.LRETURN:
        case Opcodes.FRETURN:
        case Opcodes.DRETURN:
        case Opcodes.ARETURN:
        case Opcodes.RETURN:
            ((LockFrame) frames[i]).assertNoLock("Exit with lock");
            break;
        case Opcodes.ATHROW:
            List<TryCatchBlockNode> handlers = analyzer.getHandlers(i);
            if (handlers == null || handlers.isEmpty()) {
                ((LockFrame) frames[i]).assertNoLock("Exit with lock");
            }
            break;
        }
    }

    // Only instructions protected by a catch-all handler can hold locks:
    for (int i = 0; i < frames.length; i++) {
        AbstractInsnNode insn = mn.instructions.get(i);
        if (insn.getOpcode() > 0) {
            boolean catchAll = false;
            List<TryCatchBlockNode> handlers = analyzer.getHandlers(i);
            if (handlers != null) {
                for (TryCatchBlockNode node : handlers) {
                    catchAll |= node.type == null;
                }
            }
            if (!catchAll) {
                ((LockFrame) frames[i]).assertNoLock("No handlers for insn with lock");
            }
        }
    }

}

From source file:org.jboss.byteman.agent.adapter.RuleTriggerMethodAdapter.java

License:Open Source License

@Override
public void visitInsn(int opcode) {
    super.visitInsn(opcode);
    // look for interesting instructions which need inserting into the CFG
    switch (opcode) {
    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:
    case Opcodes.RETURN:
    case Opcodes.ATHROW: {
        // add this instruction to the current block and then start a new current block
        cfg.add(opcode);/*from   w  ww .ja  v  a 2s .c o  m*/
        Label newStart = super.newLabel();
        // must call split before visiting the label
        cfg.split(newStart);
        visitLabel(newStart);
    }
        break;
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT: {
        // just add this instruction to the current block
        cfg.add(opcode);
    }
        break;
    default: {
        cfg.add(opcode);
    }
    }
}

From source file:org.mbte.groovypp.compiler.bytecode.BytecodeExpr.java

License:Apache License

public static void doReturn(MethodVisitor mv, ClassNode returnType) {
    if (returnType == double_TYPE) {
        mv.visitInsn(Opcodes.DRETURN);
    } else if (returnType == float_TYPE) {
        mv.visitInsn(Opcodes.FRETURN);/* w w  w . j a  va2s  .  c  o  m*/
    } else if (returnType == long_TYPE) {
        mv.visitInsn(Opcodes.LRETURN);
    } else if (returnType == boolean_TYPE || returnType == char_TYPE || returnType == byte_TYPE
            || returnType == int_TYPE || returnType == short_TYPE) {
        //byte,short,boolean,int are all IRETURN
        mv.visitInsn(Opcodes.IRETURN);
    } else if (returnType == VOID_TYPE) {
        mv.visitInsn(Opcodes.RETURN);
    } else {
        mv.visitInsn(Opcodes.ARETURN);
    }

}

From source file:org.openquark.cal.internal.javamodel.AsmJavaBytecodeGenerator.java

License:Open Source License

/**    
 * @param type/* w ww  .jav a  2s.  co  m*/
 * @return the RETURN, IRETURN,... op code, depending on type.
 */
private static int getReturnOpCode(JavaTypeName type) {

    switch (type.getTag()) {
    case JavaTypeName.VOID_TAG:
        return Opcodes.RETURN;

    case JavaTypeName.BOOLEAN_TAG:
    case JavaTypeName.BYTE_TAG:
    case JavaTypeName.SHORT_TAG:
    case JavaTypeName.CHAR_TAG:
    case JavaTypeName.INT_TAG:
        return Opcodes.IRETURN;

    case JavaTypeName.LONG_TAG:
        return Opcodes.LRETURN;

    case JavaTypeName.DOUBLE_TAG:
        return Opcodes.DRETURN;

    case JavaTypeName.FLOAT_TAG:
        return Opcodes.FRETURN;

    case JavaTypeName.ARRAY_TAG:
    case JavaTypeName.OBJECT_TAG:
        return Opcodes.ARETURN;

    default: {
        throw new IllegalArgumentException("invalid type: " + type);
    }
    }
}

From source file:org.pitest.mutationtest.engine.gregor.mutators.ReturnValsMutator.java

License:Apache License

private static ZeroOperandMutation dreturnMutation() {
    return new ZeroOperandMutation() {

        public void apply(final int opCode, final MethodVisitor mv) {
            // Strategy translated from jumble BCEL code
            // The following is complicated by the problem of NaNs. By default
            // the new value is -(x + 1), but this doesn't work for NaNs. But
            // for a NaN x != x is true, and we use this to detect them.
            mv.visitInsn(Opcodes.DUP2);/* w w  w.  ja v  a2  s . c o m*/
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(Opcodes.DCMPG);
            final Label l1 = new Label();
            mv.visitJumpInsn(Opcodes.IFEQ, l1);
            mv.visitInsn(Opcodes.POP2);
            mv.visitInsn(Opcodes.DCONST_0);
            mv.visitLabel(l1);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitInsn(Opcodes.DNEG);
            mv.visitInsn(Opcodes.DRETURN);
        }

        public String decribe(final int opCode, final MethodInfo methodInfo) {
            return "replaced return of double value with -(x + 1) for " + methodInfo.getDescription();
        }

    };
}

From source file:org.sonar.java.bytecode.se.BytecodeEGWalkerExecuteTest.java

License:Open Source License

@Test
public void test_xReturn() throws Exception {
    SymbolicValue returnValue = new SymbolicValue();
    int[] opcodes = { Opcodes.IRETURN, Opcodes.LRETURN, Opcodes.FRETURN, Opcodes.DRETURN, Opcodes.ARETURN };
    for (int opcode : opcodes) {
        ProgramState programState = execute(new Instruction(opcode),
                ProgramState.EMPTY_STATE.stackValue(returnValue));
        assertThat(programState.peekValue()).isNull();
        assertThat(programState.exitValue()).isEqualTo(returnValue);
    }/*from w  w  w  .  j av  a 2s  .com*/
}

From source file:org.spongepowered.despector.emitter.bytecode.statement.BytecodeReturnEmitter.java

License:Open Source License

@Override
public void emit(BytecodeEmitterContext ctx, Return stmt, boolean semicolon) {
    MethodVisitor mv = ctx.getMethodVisitor();
    if (!stmt.getValue().isPresent()) {
        mv.visitInsn(Opcodes.RETURN);//from  w w  w  . ja v a 2 s . c  o m
    } else {
        ctx.updateStack(-1);
        Instruction insn = stmt.getValue().get();
        ctx.emitInstruction(insn, ctx.getMethod().getReturnType());
        TypeSignature ret = ctx.getMethod().getReturnType();
        if (ret == ClassTypeSignature.INT || ret == ClassTypeSignature.BOOLEAN || ret == ClassTypeSignature.BYTE
                || ret == ClassTypeSignature.SHORT || ret == ClassTypeSignature.CHAR) {
            mv.visitInsn(Opcodes.IRETURN);
        } else if (ret == ClassTypeSignature.LONG) {
            mv.visitInsn(Opcodes.LRETURN);
        } else if (ret == ClassTypeSignature.FLOAT) {
            mv.visitInsn(Opcodes.FRETURN);
        } else if (ret == ClassTypeSignature.DOUBLE) {
            mv.visitInsn(Opcodes.DRETURN);
        } else {
            mv.visitInsn(Opcodes.ARETURN);
        }
    }
}