Examples of BytecodeHelper

Examples of org.codehaus.groovy.classgen.BytecodeHelper

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    public static void genInvokeXxxWithArray(ClassWriter cw, Method method) {
        MethodVisitor mv;
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;", null, EXCEPTIONS);
        mv.visitCode();

        BytecodeHelper helper = new BytecodeHelper(mv);

        Class callClass = method.getDeclaringClass();
        boolean useInterface = callClass.isInterface();

        String type = BytecodeHelper.getClassInternalName(callClass.getName());
        String descriptor = BytecodeHelper.getMethodDescriptor(method.getReturnType(), method.getParameterTypes());

        // make call
        if (Modifier.isStatic(method.getModifiers())) {
            genLoadParameters(2, mv, helper, method);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, type, method.getName(), descriptor);
        } else {
            mv.visitVarInsn(Opcodes.ALOAD, 1);
            helper.doCast(callClass);
            genLoadParameters(2, mv, helper, method);
            mv.visitMethodInsn((useInterface) ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, type, method.getName(), descriptor);
        }

        helper.box(method.getReturnType());
        if (method.getReturnType() == void.class) {
            mv.visitInsn(Opcodes.ACONST_NULL);
        }

        mv.visitInsn(Opcodes.ARETURN);
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Examples of org.codehaus.groovy.classgen.BytecodeHelper

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            String pdesc = pdescb.toString();

            mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "(Ljava/lang/Object;" + pdesc + ")Ljava/lang/Object;", null, EXCEPTIONS);
            mv.visitCode();

            BytecodeHelper helper = new BytecodeHelper(mv);

            Class callClass = method.getDeclaringClass();
            boolean useInterface = callClass.isInterface();

            String type = BytecodeHelper.getClassInternalName(callClass.getName());
            String descriptor = BytecodeHelper.getMethodDescriptor(method.getReturnType(), method.getParameterTypes());

            // make call
             if (Modifier.isStatic(method.getModifiers())) {
                MethodHandleFactory.genLoadParametersDirect(2, mv, helper, method);
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, type, method.getName(), descriptor);
            } else {
                mv.visitVarInsn(Opcodes.ALOAD, 1);
                helper.doCast(callClass);
                MethodHandleFactory.genLoadParametersDirect(2, mv, helper, method);
                mv.visitMethodInsn((useInterface) ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, type, method.getName(), descriptor);
            }

            helper.box(method.getReturnType());
            if (method.getReturnType() == void.class) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            }

            mv.visitInsn(Opcodes.ARETURN);
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Examples of org.codehaus.groovy.classgen.BytecodeHelper

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            String pdesc = pdescb.toString();

            mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "(Ljava/lang/Object;" + pdesc + ")Ljava/lang/Object;", null, EXCEPTIONS);
            mv.visitCode();

            BytecodeHelper helper = new BytecodeHelper(mv);

            Class callClass = method.getDeclaringClass();
            boolean useInterface = callClass.isInterface();

            String type = BytecodeHelper.getClassInternalName(callClass.getName());
            String descriptor = BytecodeHelper.getMethodDescriptor(method.getReturnType(), method.getParameterTypes());

            // make call
             if (Modifier.isStatic(method.getModifiers())) {
                MethodHandleFactory.genLoadParametersPrimitiveDirect(2, mv, helper, method);
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, type, method.getName(), descriptor);
            } else {
                mv.visitVarInsn(Opcodes.ALOAD, 1);
                helper.doCast(callClass);
                MethodHandleFactory.genLoadParametersPrimitiveDirect(2, mv, helper, method);
                mv.visitMethodInsn((useInterface) ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, type, method.getName(), descriptor);
            }

            helper.box(method.getReturnType());
            if (method.getReturnType() == void.class) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            }

            mv.visitInsn(Opcodes.ARETURN);
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Examples of org.codehaus.groovy.classgen.BytecodeHelper

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        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, superClass, "checkCall", "(Ljava/lang/Object;" + parameterDescription + ")Z");
        Label l0 = new Label();
        mv.visitJumpInsn(Opcodes.IFEQ, l0);
       
        // valid method branch
        BytecodeHelper helper = new BytecodeHelper(mv);

        Class callClass = cachedMethod.getDeclaringClass().getTheClass();
        boolean useInterface = callClass.isInterface();

        String type = BytecodeHelper.getClassInternalName(callClass.getName());
        String descriptor = BytecodeHelper.getMethodDescriptor(cachedMethod.getReturnType(), cachedMethod.getNativeParameterTypes());
       
        // prepare call
        int invokeMethodCode = Opcodes.INVOKEVIRTUAL;
        if (cachedMethod.isStatic()) {
            invokeMethodCode = Opcodes.INVOKESTATIC;
        } else {
            mv.visitVarInsn(Opcodes.ALOAD, 1);
            helper.doCast(callClass);
            if (useInterface) invokeMethodCode = Opcodes.INVOKEINTERFACE;
        }
       
        Method method = cachedMethod.setAccessible();
        Class<?>[] parameters = method.getParameterTypes();
        int size = parameters.length;
        for (int i = 0; i < size; i++) {
            if (useArray) {
                // unpack argument from Object[]
                mv.visitVarInsn(Opcodes.ALOAD, 2);
                helper.pushConstant(i);
                mv.visitInsn(Opcodes.AALOAD);
            } else {
                mv.visitVarInsn(Opcodes.ALOAD, i+2);
            }

            // cast argument to parameter class, inclusive unboxing
            // for methods with primitive types
            Class parameterType = parameters[i];
            if (parameterType.isPrimitive()) {
                helper.unbox(parameterType);
            } else {
                helper.doCast(parameterType);
            }
        }       
       
        // make call
        mv.visitMethodInsn(invokeMethodCode, type, cachedMethod.getName(), descriptor);

        // produce result
        helper.box(cachedMethod.getReturnType());
        if (cachedMethod.getReturnType() == void.class) {
            mv.visitInsn(Opcodes.ACONST_NULL);
        }

        // return
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Examples of org.codehaus.groovy.classgen.BytecodeHelper

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    }

    private static void createDoMethodInvokeMethod(CachedMethod method, ClassWriter cw, String className, Class returnType, String methodDescriptor) {
        MethodVisitor mv;
        mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "doMethodInvoke", "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;", null, null);
        helper = new BytecodeHelper(mv);
        mv.visitCode();
        if (method.getParamsCount() == 2 && method.getParameterTypes()[0].isNumber && method.getParameterTypes()[1].isNumber) {
            mv.visitVarInsn(ALOAD,1);
            helper.doCast(method.getParameterTypes()[0].getTheClass());
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Examples of org.codehaus.groovy.classgen.BytecodeHelper

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    }

    private static void createInvokeMethod(CachedMethod method, ClassWriter cw, Class returnType, String methodDescriptor) {
        MethodVisitor mv;
        mv = cw.visitMethod(ACC_PUBLIC, "invoke", "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;", null, null);
        helper = new BytecodeHelper(mv);
        mv.visitCode();
        mv.visitVarInsn(ALOAD,1);
        helper.doCast(method.getParameterTypes()[0].getTheClass());
        loadParameters(method,2,mv);
        mv.visitMethodInsn(INVOKESTATIC, BytecodeHelper.getClassInternalName(method.getDeclaringClass().getTheClass()), method.getName(), methodDescriptor);
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