Example usage for org.objectweb.asm MethodVisitor visitLabel

List of usage examples for org.objectweb.asm MethodVisitor visitLabel

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Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitLabel.

Prototype

public void visitLabel(final Label label)

Source Link

Document

Visits a label.

Usage

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Creates invocations fo the after finally interceptors.
 *
 * @param cv/*from w w  w .ja v a2s  . com*/
 * @param joinPointInstanceIndex
 * @param registerDepth
 */
private void createAfterInterceptorInvocations(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int registerDepth) {
    final int loopIndex = registerDepth + 1;
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, NR_OF_AFTER_INTERCEPTORS_FIELD_NAME, I);
    cv.visitInsn(ICONST_1);
    cv.visitInsn(ISUB);
    cv.visitVarInsn(ISTORE, loopIndex);
    Label loopLabel1 = new Label();
    cv.visitLabel(loopLabel1);
    cv.visitVarInsn(ILOAD, loopIndex);
    Label loopLabel2 = new Label();
    cv.visitJumpInsn(IFLT, loopLabel2);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_INTERCEPTORS_FIELD_NAME,
            AFTER_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitVarInsn(ILOAD, loopIndex);
    cv.visitInsn(AALOAD);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitMethodInsn(INVOKEINTERFACE, AFTER_ADVICE_CLASS_NAME, INTERCEPT_INVOKE_METHOD_NAME,
            AFTER_ADVICE_INVOKE_METHOD_SIGNATURE);
    cv.visitIincInsn(loopIndex, -1);
    cv.visitJumpInsn(GOTO, loopLabel1);
    cv.visitLabel(loopLabel2);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Creates invocations fo the after returning interceptors.
 *
 * @param cv//from  w w  w.  jav  a  2s .  c  o  m
 * @param joinPointInstanceIndex
 * @param returnValueInstanceIndex
 */
private void createAfterReturningInterceptorInvocations(final MethodVisitor cv,
        final int joinPointInstanceIndex, final int returnValueInstanceIndex) {
    final int loopIndex = returnValueInstanceIndex + 1;
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, NR_OF_AFTER_RETURNING_INTERCEPTORS_FIELD_NAME, I);
    cv.visitInsn(ICONST_1);
    cv.visitInsn(ISUB);
    cv.visitVarInsn(ISTORE, loopIndex);
    Label loopLabel1 = new Label();
    cv.visitLabel(loopLabel1);
    cv.visitVarInsn(ILOAD, loopIndex);
    Label loopLabel2 = new Label();
    cv.visitJumpInsn(IFLT, loopLabel2);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_RETURNING_INTERCEPTORS_FIELD_NAME,
            AFTER_RETURNING_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitVarInsn(ILOAD, loopIndex);
    cv.visitInsn(AALOAD);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, returnValueInstanceIndex);
    cv.visitMethodInsn(INVOKEINTERFACE, AFTER_RETURNING_ADVICE_CLASS_NAME, INTERCEPT_INVOKE_METHOD_NAME,
            AFTER_RETURNING_ADVICE_INVOKE_METHOD_SIGNATURE);
    cv.visitIincInsn(loopIndex, -1);
    cv.visitJumpInsn(GOTO, loopLabel1);
    cv.visitLabel(loopLabel2);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AbstractJoinPointCompiler.java

License:Open Source License

/**
 * Creates invocations fo the after returning interceptors.
 *
 * @param cv//from  w ww  .j a  v a2 s  .  c  o m
 * @param joinPointInstanceIndex
 * @param exceptionInstanceIndex
 */
private void createAfterThrowingInterceptorInvocations(final MethodVisitor cv, final int joinPointInstanceIndex,
        final int exceptionInstanceIndex) {
    final int loopIndex = exceptionInstanceIndex + 1;
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, NR_OF_AFTER_THROWING_INTERCEPTORS_FIELD_NAME, I);
    cv.visitInsn(ICONST_1);
    cv.visitInsn(ISUB);
    cv.visitVarInsn(ISTORE, loopIndex);
    Label loopLabel1 = new Label();
    cv.visitLabel(loopLabel1);
    cv.visitVarInsn(ILOAD, loopIndex);
    Label loopLabel2 = new Label();
    cv.visitJumpInsn(IFLT, loopLabel2);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitFieldInsn(GETFIELD, m_joinPointClassName, AFTER_THROWING_INTERCEPTORS_FIELD_NAME,
            AFTER_THROWING_ADVICE_ARRAY_CLASS_SIGNATURE);
    cv.visitVarInsn(ILOAD, loopIndex);
    cv.visitInsn(AALOAD);
    cv.visitVarInsn(ALOAD, joinPointInstanceIndex);
    cv.visitVarInsn(ALOAD, exceptionInstanceIndex);
    cv.visitMethodInsn(INVOKEINTERFACE, AFTER_THROWING_ADVICE_CLASS_NAME, INTERCEPT_INVOKE_METHOD_NAME,
            AFTER_THROWING_ADVICE_INVOKE_METHOD_SIGNATURE);
    cv.visitIincInsn(loopIndex, -1);
    cv.visitJumpInsn(GOTO, loopLabel1);
    cv.visitLabel(loopLabel2);
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AspectWerkzAspectModel.java

License:Open Source License

/**
 * Initializes instance level aspects, retrieves them from the target instance through the
 * <code>HasInstanceLevelAspect</code> interfaces.
 * <p/>//  w  ww  .  ja  v a2s . c  o m
 * Use by 'perInstance', 'perThis' and 'perTarget' deployment models.
 *
 * @param cv
 * @param aspectInfo
 * @param input
 */
public void createAndStoreRuntimeAspectInstantiation(final MethodVisitor cv, final CompilerInput input,
        final AspectInfo aspectInfo) {
    // gen code: if (Aspects.hasAspect(...) { aspectField = (<TYPE>)((HasInstanceLocalAspect)CALLER).aw$getAspect(className, qualifiedName, containerClassName) }
    if (DeploymentModel.PER_INSTANCE.equals(aspectInfo.getDeploymentModel())) {//TODO && callerIndex >= 0
        //storeAspectInstance(cv, input, aspectInfo, input.callerIndex);
    } else if (DeploymentModel.PER_THIS.equals(aspectInfo.getDeploymentModel()) && input.callerIndex >= 0) {
        Label hasAspectCheck = pushPerXCondition(cv, input.callerIndex, aspectInfo);
        storeAspectInstance(cv, input, aspectInfo, input.callerIndex);
        cv.visitLabel(hasAspectCheck);
    } else if (DeploymentModel.PER_TARGET.equals(aspectInfo.getDeploymentModel()) && input.calleeIndex >= 0) {
        Label hasAspectCheck = pushPerXCondition(cv, input.calleeIndex, aspectInfo);
        storeAspectInstance(cv, input, aspectInfo, input.calleeIndex);
        cv.visitLabel(hasAspectCheck);
    }

    if (aspectInfo.getDeploymentModel() == DeploymentModel.PER_INSTANCE) {//TODO refactor with previous if block
        // gen code: aspectField = (<TYPE>)((HasInstanceLocalAspect)CALLER).aw$getAspect(className, qualifiedName, containerClassName)
        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        if (input.callerIndex >= 0) {
            cv.visitVarInsn(ALOAD, input.callerIndex);
        } else {
            // caller instance not available - skipping
            //TODO clean up should not occur
        }
        cv.visitMethodInsn(INVOKESTATIC, aspectInfo.getAspectFactoryClassName(), "aspectOf",
                "(Ljava/lang/Object;)" + aspectInfo.getAspectClassSignature());
        //            cv.visitLdcInsn(aspectInfo.getAspectClassName().replace('/', '.'));
        //            cv.visitLdcInsn(aspectInfo.getAspectQualifiedName());
        //            AsmHelper.loadStringConstant(cv, aspectInfo.getAspectDefinition().getContainerClassName());
        //            cv.visitMethodInsn(
        //                    INVOKEINTERFACE,
        //                    HAS_INSTANCE_LEVEL_ASPECT_INTERFACE_NAME,
        //                    INSTANCE_LEVEL_GETASPECT_METHOD_NAME,
        //                    INSTANCE_LEVEL_GETASPECT_METHOD_SIGNATURE
        //            );
        //            cv.visitTypeInsn(CHECKCAST, aspectInfo.getAspectClassName());
        cv.visitFieldInsn(PUTFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
    }
}

From source file:org.codehaus.aspectwerkz.transform.inlining.compiler.AspectWerkzAspectModel.java

License:Open Source License

/**
 * Load aspect instance on stack/*from  w w w  .j a v  a 2  s . c o m*/
 *
 * @param cv
 * @param input
 * @param aspectInfo
 */
public void loadAspect(final MethodVisitor cv, final CompilerInput input, final AspectInfo aspectInfo) {
    DeploymentModel deploymentModel = aspectInfo.getDeploymentModel();
    if (DeploymentModel.PER_JVM.equals(deploymentModel) || DeploymentModel.PER_CLASS.equals(deploymentModel)) {
        cv.visitFieldInsn(GETSTATIC, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
    } else if (DeploymentModel.PER_INSTANCE.equals(deploymentModel)) {
        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        cv.visitFieldInsn(GETFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
    } else if (DeploymentModel.PER_THIS.equals(deploymentModel)) {
        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        cv.visitFieldInsn(GETFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());

        //FIXME see FIXME on aspect instantion
        Label nullCheck = new Label();
        cv.visitJumpInsn(IFNONNULL, nullCheck);
        storeAspectInstance(cv, input, aspectInfo, input.callerIndex);
        cv.visitLabel(nullCheck);

        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        cv.visitFieldInsn(GETFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
    } else if (DeploymentModel.PER_TARGET.equals(deploymentModel)) {
        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        cv.visitFieldInsn(GETFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
        //FIXME see FIXME on aspect instantion

        Label nullCheck = new Label();
        cv.visitJumpInsn(IFNONNULL, nullCheck);
        storeAspectInstance(cv, input, aspectInfo, input.calleeIndex);
        cv.visitLabel(nullCheck);

        AbstractJoinPointCompiler.loadJoinPointInstance(cv, input);
        cv.visitFieldInsn(GETFIELD, input.joinPointClassName, aspectInfo.getAspectFieldName(),
                aspectInfo.getAspectClassSignature());
    } else {
        throw new DefinitionException("deployment model [" + deploymentModel + "] is not supported");
    }
}

From source file:org.codehaus.aspectwerkz.transform.inlining.weaver.InstanceLevelAspectVisitor.java

License:Open Source License

/**
 * Adds the getAspect(..) method to the target class.
 *
 * @param name the class name of the target class
 *//*from   ww w  .j ava  2 s  . c o m*/
private void addGetAspectMethod(final String name) {
    MethodVisitor cv = super.visitMethod(ACC_PUBLIC + ACC_SYNTHETIC, INSTANCE_LEVEL_GETASPECT_METHOD_NAME,
            INSTANCE_LEVEL_GETASPECT_METHOD_SIGNATURE, null, null);

    cv.visitVarInsn(ALOAD, 0);
    cv.visitFieldInsn(GETFIELD, name, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
            INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE);
    //--
    cv.visitInsn(DUP);
    Label ifMapNonNull = new Label();
    cv.visitJumpInsn(IFNONNULL, ifMapNonNull);
    cv.visitInsn(ACONST_NULL);
    cv.visitInsn(ARETURN);
    cv.visitLabel(ifMapNonNull);

    //        // if == null, field = new HashMap()
    //        Label ifFieldNullNotLabel = new Label();
    //        cv.visitJumpInsn(IFNONNULL, ifFieldNullNotLabel);
    //        cv.visitVarInsn(ALOAD, 0);
    //        cv.visitTypeInsn(NEW, HASH_MAP_CLASS_NAME);
    //        cv.visitInsn(DUP);
    //        cv.visitMethodInsn(
    //                INVOKESPECIAL,
    //                HASH_MAP_CLASS_NAME,
    //                INIT_METHOD_NAME,
    //                NO_PARAM_RETURN_VOID_SIGNATURE
    //        );
    //        cv.visitFieldInsn(
    //                PUTFIELD,
    //                name,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE
    //        );
    //        cv.visitLabel(ifFieldNullNotLabel);
    //
    //        cv.visitVarInsn(ALOAD, 0);
    //        cv.visitFieldInsn(
    //                GETFIELD,
    //                name,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE
    //        );
    //
    //        cv.visitVarInsn(ALOAD, 2);//qName
    //        cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, GET_METHOD_NAME, GET_METHOD_SIGNATURE);
    //        cv.visitVarInsn(ASTORE, 4);
    //        cv.visitVarInsn(ALOAD, 4);
    //        Label ifNullNotLabel = new Label();
    //        cv.visitJumpInsn(IFNONNULL, ifNullNotLabel);
    //        cv.visitVarInsn(ALOAD, 2);//qName
    //        cv.visitVarInsn(ALOAD, 3);//containerClassName
    //        cv.visitVarInsn(ALOAD, 0);//this (perInstance)
    //        cv.visitMethodInsn(
    //                INVOKESTATIC,
    //                ASPECTS_CLASS_NAME,
    //                ASPECT_OF_METHOD_NAME,
    //                ASPECT_OF_PER_INSTANCE_METHOD_SIGNATURE
    //        );
    //        cv.visitVarInsn(ASTORE, 4);
    //cv.visitVarInsn(ALOAD, 0);
    //--
    cv.visitVarInsn(ALOAD, 1);
    cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, GET_METHOD_NAME, GET_METHOD_SIGNATURE);
    //--
    //        cv.visitFieldInsn(
    //                GETFIELD,
    //                name,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
    //                INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE
    //        );
    cv.visitInsn(ARETURN);
    //        cv.visitVarInsn(ALOAD, 2);
    //        cv.visitVarInsn(ALOAD, 4);
    //        cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, PUT_METHOD_NAME, PUT_METHOD_SIGNATURE);
    //        cv.visitInsn(POP);
    //        cv.visitLabel(ifNullNotLabel);
    //        cv.visitVarInsn(ALOAD, 4);
    //        cv.visitInsn(ARETURN);
    cv.visitMaxs(0, 0);

    m_ctx.markAsAdvised();
    m_isAdvised = true;
}

From source file:org.codehaus.aspectwerkz.transform.inlining.weaver.InstanceLevelAspectVisitor.java

License:Open Source License

private void addHasAspectMethod(String mapFieldName) {
    MethodVisitor cv = super.visitMethod(ACC_PUBLIC + ACC_SYNTHETIC, INSTANCE_LEVEL_HASASPECT_METHOD_NAME,
            INSTANCE_LEVEL_HASASPECT_METHOD_SIGNATURE, null, null);

    cv.visitVarInsn(ALOAD, 0);//from  w w w.  ja v  a 2  s  . c  o m
    cv.visitFieldInsn(GETFIELD, mapFieldName, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
            INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE);
    cv.visitInsn(DUP);
    Label ifMapNonNull = new Label();
    cv.visitJumpInsn(IFNONNULL, ifMapNonNull);
    cv.visitInsn(ICONST_0);
    cv.visitInsn(IRETURN);
    cv.visitLabel(ifMapNonNull);
    cv.visitVarInsn(ALOAD, 1);
    cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, "containsKey", "(Ljava/lang/Object;)Z");
    //cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, GET_METHOD_NAME, GET_METHOD_SIGNATURE);
    //
    //        Label ifNullLabel = new Label();
    //        cv.visitJumpInsn(IFNULL, ifNullLabel);
    //        cv.visitInsn(ICONST_1);
    //        cv.visitInsn(IRETURN);
    //        cv.visitLabel(ifNullLabel);
    //        cv.visitInsn(ICONST_0);
    cv.visitInsn(IRETURN);
    cv.visitMaxs(0, 0);

    m_ctx.markAsAdvised();
    m_isAdvised = true;
}

From source file:org.codehaus.aspectwerkz.transform.inlining.weaver.InstanceLevelAspectVisitor.java

License:Open Source License

private void addBindAspectMethod(final String name) {
    MethodVisitor cv = super.visitMethod(ACC_PUBLIC + ACC_SYNTHETIC, INSTANCE_LEVEL_BINDASPECT_METHOD_NAME,
            INSTANCE_LEVEL_BINDASPECT_METHOD_SIGNATURE, null, null);

    cv.visitVarInsn(ALOAD, 0);//from   ww  w .  j  av  a 2 s.co m
    cv.visitFieldInsn(GETFIELD, name, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
            INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE);
    // if == null, field = new HashMap()
    Label ifFieldNullNotLabel = new Label();
    cv.visitJumpInsn(IFNONNULL, ifFieldNullNotLabel);
    cv.visitVarInsn(ALOAD, 0);
    cv.visitTypeInsn(NEW, HASH_MAP_CLASS_NAME);
    cv.visitInsn(DUP);
    cv.visitMethodInsn(INVOKESPECIAL, HASH_MAP_CLASS_NAME, INIT_METHOD_NAME, NO_PARAM_RETURN_VOID_SIGNATURE);
    cv.visitFieldInsn(PUTFIELD, name, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
            INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE);
    cv.visitLabel(ifFieldNullNotLabel);

    cv.visitVarInsn(ALOAD, 0);
    cv.visitFieldInsn(GETFIELD, name, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME,
            INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE);
    cv.visitVarInsn(ALOAD, 1);
    cv.visitVarInsn(ALOAD, 2);
    cv.visitMethodInsn(INVOKEINTERFACE, MAP_CLASS_NAME, PUT_METHOD_NAME, PUT_METHOD_SIGNATURE);
    cv.visitVarInsn(ALOAD, 2);
    cv.visitInsn(ARETURN);
}

From source file:org.codehaus.groovy.classgen.asm.AssertionWriter.java

License:Apache License

public void writeAssertStatement(AssertStatement statement) {
    MethodVisitor mv = controller.getMethodVisitor();
    OperandStack operandStack = controller.getOperandStack();

    // don't rewrite assertions with message
    boolean rewriteAssert = isNull(statement.getMessageExpression());
    AssertionTracker oldTracker = assertionTracker;
    Janitor janitor = new Janitor();
    final Label tryStart = new Label();
    if (rewriteAssert) {
        assertionTracker = new AssertionTracker();
        try {//w ww.  ja v a  2  s  .  c  o  m
            // because source position seems to be more reliable for statements
            // than for expressions, we get the source text for the whole statement
            assertionTracker.sourceText = new SourceText(statement, controller.getSourceUnit(), janitor);
            mv.visitTypeInsn(NEW, "org/codehaus/groovy/runtime/powerassert/ValueRecorder");
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, "org/codehaus/groovy/runtime/powerassert/ValueRecorder", "<init>",
                    "()V", false);
            //TODO: maybe use more specialized type here
            controller.getOperandStack().push(ClassHelper.OBJECT_TYPE);
            assertionTracker.recorderIndex = controller.getCompileStack().defineTemporaryVariable("recorder",
                    true);
            mv.visitLabel(tryStart);
        } catch (SourceTextNotAvailableException e) {
            // set assertionTracker to null to deactivate AssertionWriter#record calls
            assertionTracker = null;
            // don't rewrite assertions w/o source text
            rewriteAssert = false;
        }
    }

    statement.getBooleanExpression().visit(controller.getAcg());

    Label exceptionThrower = operandStack.jump(IFEQ);

    // do nothing, but clear the value recorder
    if (rewriteAssert) {
        //clean up assertion recorder
        mv.visitVarInsn(ALOAD, assertionTracker.recorderIndex);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/codehaus/groovy/runtime/powerassert/ValueRecorder", "clear",
                "()V", false);
    }
    Label afterAssert = new Label();
    mv.visitJumpInsn(GOTO, afterAssert);
    mv.visitLabel(exceptionThrower);

    if (rewriteAssert) {
        mv.visitLdcInsn(assertionTracker.sourceText.getNormalizedText());
        mv.visitVarInsn(ALOAD, assertionTracker.recorderIndex);
        mv.visitMethodInsn(INVOKESTATIC, "org/codehaus/groovy/runtime/powerassert/AssertionRenderer", "render",
                "(Ljava/lang/String;Lorg/codehaus/groovy/runtime/powerassert/ValueRecorder;)Ljava/lang/String;",
                false);
    } else {
        writeSourcelessAssertText(statement);
    }
    operandStack.push(ClassHelper.STRING_TYPE);
    AssertionTracker savedTracker = assertionTracker;
    assertionTracker = null;

    // now the optional exception expression
    statement.getMessageExpression().visit(controller.getAcg());
    operandStack.box();
    assertFailedMethod.call(mv);
    operandStack.remove(2); // assertFailed called static with 2 arguments 

    if (rewriteAssert) {
        final Label tryEnd = new Label();
        mv.visitLabel(tryEnd);
        mv.visitJumpInsn(GOTO, afterAssert);
        // finally block to clean assertion recorder
        final Label catchAny = new Label();
        mv.visitLabel(catchAny);
        mv.visitVarInsn(ALOAD, savedTracker.recorderIndex);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/codehaus/groovy/runtime/powerassert/ValueRecorder", "clear",
                "()V", false);
        mv.visitInsn(ATHROW);
        // add catch any block to exception table
        controller.getCompileStack().addExceptionBlock(tryStart, tryEnd, catchAny, null);
    }

    mv.visitLabel(afterAssert);
    if (rewriteAssert) {
        controller.getCompileStack().removeVar(savedTracker.recorderIndex);
    }
    assertionTracker = oldTracker;
    // close possibly open file handles from getting a sample for 
    // power asserts
    janitor.cleanup();
}

From source file:org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.java

License:Apache License

private void evaluateLogicalAndExpression(BinaryExpression expression) {
    MethodVisitor mv = controller.getMethodVisitor();
    AsmClassGenerator acg = controller.getAcg();
    OperandStack operandStack = controller.getOperandStack();

    expression.getLeftExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    Label falseCase = operandStack.jump(IFEQ);

    expression.getRightExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    operandStack.jump(IFEQ, falseCase);/*from   ww w . j a va  2  s  . c  o m*/

    ConstantExpression.PRIM_TRUE.visit(acg);
    Label trueCase = new Label();
    mv.visitJumpInsn(GOTO, trueCase);

    mv.visitLabel(falseCase);
    ConstantExpression.PRIM_FALSE.visit(acg);

    mv.visitLabel(trueCase);
    operandStack.remove(1); // have to remove 1 because of the GOTO
}