Package org.apache.xbean.asm5

Examples of org.apache.xbean.asm5.MethodVisitor.visitMethodInsn()

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        // cast the result
        mv.visitTypeInsn(CHECKCAST, getCastType(returnType));

        if (returnType.isPrimitive() && !Void.TYPE.equals(returnType)) {
            // get the primitive value
            mv.visitMethodInsn(INVOKEVIRTUAL, getWrapperType(returnType), getPrimitiveMethod(returnType), "()" + getPrimitiveLetter(returnType), false);
        }

        // push return
        mv.visitLabel(l1);
        if (!Void.TYPE.equals(returnType)) {
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            for (int i = 0; i < exceptionTypes.length; i++) {
                final Class<?> exceptionType = exceptionTypes[i];

                mv.visitLdcInsn(Type.getType("L" + exceptionType.getName().replace('.', '/') + ";"));
                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false);

                final Label l6 = new Label();
                mv.visitJumpInsn(IFEQ, l6);
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                final Class<?> exceptionType = exceptionTypes[i];

                mv.visitLdcInsn(Type.getType("L" + exceptionType.getName().replace('.', '/') + ";"));
                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false);

                final Label l6 = new Label();
                mv.visitJumpInsn(IFEQ, l6);
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                mv.visitLdcInsn(Type.getType("L" + exceptionType.getName().replace('.', '/') + ";"));
                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false);

                final Label l6 = new Label();
                mv.visitJumpInsn(IFEQ, l6);

                final Label l7 = new Label();
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                final Label l7 = new Label();
                mv.visitLabel(l7);

                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitTypeInsn(CHECKCAST, exceptionType.getName().replace('.', '/'));
                mv.visitInsn(ATHROW);
                mv.visitLabel(l6);

                if (i == exceptionTypes.length - 1) {
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                if (i == exceptionTypes.length - 1) {
                    mv.visitTypeInsn(NEW, "java/lang/reflect/UndeclaredThrowableException");
                    mv.visitInsn(DUP);
                    mv.visitVarInsn(ALOAD, length);
                    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/reflect/UndeclaredThrowableException", "<init>", "(Ljava/lang/Throwable;)V", false);
                    mv.visitInsn(ATHROW);
                }
            }
        }
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        for (final Type type : Type.getArgumentTypes(descriptor)) {
            mv.visitVarInsn(type.getOpcode(ILOAD), index);
            index += size(type);
        }

        mv.visitMethodInsn(INVOKESPECIAL, classFileName, "<init>", descriptor, false);

        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(PUTFIELD, proxyClassFileName, "this$handler", "Ljava/lang/reflect/InvocationHandler;");
        mv.visitInsn(RETURN);
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        // was: final String descriptor = Type.getConstructorDescriptor(classToProxy.getDeclaredConstructor());
        // but we need to get a default constructor even if the bean uses constructor injection
        final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, classFileName, "<init>", "()V", false);

        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitFieldInsn(Opcodes.PUTFIELD, proxyClassFileName, FIELD_PROXIED_INSTANCE, Type.getDescriptor(classToProxy));
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                mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), offset);
                offset += type.getSize();
            }

            final Type declaringClass = Type.getType(delegatedMethod.getDeclaringClass());
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, declaringClass.getInternalName(), delegatedMethod.getName(), methodDescriptor, false);

            generateReturn(mv, delegatedMethod);

            mv.visitMaxs(-1, -1);
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        // prepare the parameter array as Object[] and store it on the stack
        pushMethodParameterArray(mv, parameterTypes);


        // invoke the invocationHandler
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(InterceptorHandler.class), "invoke",
                "(Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;", true);

        // cast the result
        mv.visitTypeInsn(Opcodes.CHECKCAST, getCastType(returnType));
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