Examples of jodd.asm5.MethodVisitor.visitFieldInsn()

jodd.asm5.MethodVisitor.visitFieldInsn()
Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object. @param opcode the opcode of the type instruction to be visited. This opcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. @param owner the internal name of the field's owner class (see {@link Type#getInternalName() getInternalName}). @param name the field's name. @param desc the field's descriptor (see {@link Type Type}).

        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitFieldInsn(Opcodes.PUTFIELD, proxyClassFileName, FIELD_PROXIED_INSTANCE, Type.getDescriptor(classToProxy));


        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitFieldInsn(Opcodes.PUTFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));


        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(-1, -1);
        mv.visitEnd();

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            // fill method body
            mv.visitCode();


            // load the delegate variable
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_PROXIED_INSTANCE, Type.getDescriptor(classToProxy));


            int offset = 1;
            for (Class<?> aClass : delegatedMethod.getParameterTypes())
            {
                final Type type = Type.getType(aClass);

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            pushIntOntoStack(mv, i);


            if (parameterType.isPrimitive())
            {
                String wrapperType = getWrapperType(parameterType);
                mv.visitFieldInsn(Opcodes.GETSTATIC, wrapperType, "TYPE", "Ljava/lang/Class;");
            }
            else
            {
                mv.visitLdcInsn(Type.getType(parameterType));
            }

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        mv.visitLabel(l4);


        mv.visitVarInsn(Opcodes.ALOAD, 0);


        // get the invocationHandler field from this class
        mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));


        // add the Method from the static array as first parameter
        mv.visitFieldInsn(Opcodes.GETSTATIC, proxyClassFileName, FIELD_INTERCEPTED_METHODS, Type.getDescriptor(Method[].class));


        // push the methodIndex of the current method

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        // get the invocationHandler field from this class
        mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));


        // add the Method from the static array as first parameter
        mv.visitFieldInsn(Opcodes.GETSTATIC, proxyClassFileName, FIELD_INTERCEPTED_METHODS, Type.getDescriptor(Method[].class));


        // push the methodIndex of the current method
        mv.visitIntInsn(Opcodes.BIPUSH, methodIndex);


        // and now load the Method from the array

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            // push number onto stack
            pushIntOntoStack(mv, i);


            if (parameterType.isPrimitive()) {
                final String wrapperType = getWrapperType(parameterType);
                mv.visitFieldInsn(GETSTATIC, wrapperType, "TYPE", "Ljava/lang/Class;");
            } else {
                mv.visitLdcInsn(Type.getType(getAsmTypeAsString(parameterType, true)));
            }


            mv.visitInsn(AASTORE);

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        final Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitVarInsn(ALOAD, 0);


        // get the invocationHandler field from this class
        mv.visitFieldInsn(GETFIELD, proxyName, handlerName, "Ljava/lang/reflect/InvocationHandler;");


        // we want to pass "this" in as the first parameter
        mv.visitVarInsn(ALOAD, 0);


        // and the method we fetched earlier

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        // the Set with the new values from the new value source. 
        if (cmrField.getCmrStyle() != CmrStyle.SINGLE) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName() + "Cmr", cmrField.getAccessorDescriptor());
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, cmrField.getAccessorInternalName(), "set", cmrField.getCmrStyle().getSetterDescriptor());
            mv.visitInsn(RETURN);
        } else {
            // this is a single value.  We pass the existing value and the old value to

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            // this is a single value.  We pass the existing value and the old value to 
            // the accessor, then must cast the accessor return value to the target type 
            // so we can store it in the real CMR field. 
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName() + "Cmr", cmrField.getAccessorDescriptor());
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, cmrField.getAccessorInternalName(), "set", cmrField.getCmrStyle().getSetterDescriptor());
            mv.visitTypeInsn(CHECKCAST, cmrField.getType().getInternalName());

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            // so we can store it in the real CMR field. 
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName() + "Cmr", cmrField.getAccessorDescriptor());
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, cmrField.getAccessorInternalName(), "set", cmrField.getCmrStyle().getSetterDescriptor());
            mv.visitTypeInsn(CHECKCAST, cmrField.getType().getInternalName());
            mv.visitFieldInsn(PUTFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitInsn(RETURN);

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