Examples of org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitFieldInsn()

Package org.eclipse.persistence.internal.libraries.asm

Class org.eclipse.persistence.internal.libraries.asm.MethodVisitor

Examples of org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitFieldInsn()

org.eclipse.persistence.internal.libraries.asm.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}).

                cv_set.visitInsn(DUP);
            }


            // load the method argument
            cv_set.visitVarInsn(ALOAD, 0);
            cv_set.visitFieldInsn(GETFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());


            if (wrapper != null) {
                // invoke the constructor for wrapping
                // e.g. new Integer(variableName)
                cv_set.visitMethodInsn(INVOKESPECIAL, wrapper, "<init>", "(" + attributeDetails.getReferenceClassType().getDescriptor() + ")V");

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                cv_set.visitMethodInsn(INVOKEVIRTUAL, classDetails.getClassName(), "_persistence_initialize_" + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, "()V");


                // _persistenc_variableName_vh.getValue();
                cv_set.visitVarInsn(ALOAD, 0);
                cv_set.visitVarInsn(ALOAD, 0);
                cv_set.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                cv_set.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "getValue", "()Ljava/lang/Object;");


                // Add the cast:
                // (<VariableClass>)_persistenc_variableName_vh.getValue()
                cv_set.visitTypeInsn(CHECKCAST, attributeDetails.getReferenceClassName().replace('.', '/'));

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                // (<VariableClass>)_persistenc_variableName_vh.getValue()
                cv_set.visitTypeInsn(CHECKCAST, attributeDetails.getReferenceClassName().replace('.', '/'));


                // add the assignment: this.variableName =
                // (<VariableClass>)_persistenc_variableName_vh.getValue();
                cv_set.visitFieldInsn(PUTFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());
            }
        }


        // Must set variable after raising change event, so event has old and
        // new value.

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        // Must set variable after raising change event, so event has old and
        // new value.
        // variableName = argument
        cv_set.visitVarInsn(ALOAD, 0);
        cv_set.visitVarInsn(opcode, 1);
        cv_set.visitFieldInsn(PUTFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());


        if (attributeDetails.weaveValueHolders()) {
            // _persistence_variableName_vh.setValue(argument);
            cv_set.visitVarInsn(ALOAD, 0);
            cv_set.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);

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        cv_set.visitFieldInsn(PUTFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());


        if (attributeDetails.weaveValueHolders()) {
            // _persistence_variableName_vh.setValue(argument);
            cv_set.visitVarInsn(ALOAD, 0);
            cv_set.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
            cv_set.visitVarInsn(ALOAD, 1);
            cv_set.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "setValue", "(Ljava/lang/Object;)V");
        }


        cv_set.visitInsn(RETURN);

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            cv_get.visitMethodInsn(INVOKEVIRTUAL, classDetails.getClassName(), "_persistence_initialize_" + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, "()V");


            // _persistenc_variableName_vh.getValue();
            cv_get.visitVarInsn(ALOAD, 0);
            cv_get.visitVarInsn(ALOAD, 0);
            cv_get.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
            cv_get.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "getValue", "()Ljava/lang/Object;");


            // Add the cast:
            // (<VariableClass>)_persistenc_variableName_vh.getValue()
            cv_get.visitTypeInsn(CHECKCAST, attributeDetails.getReferenceClassName().replace('.', '/'));

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            // (<VariableClass>)_persistenc_variableName_vh.getValue()
            cv_get.visitTypeInsn(CHECKCAST, attributeDetails.getReferenceClassName().replace('.', '/'));


            // add the assignment: this.variableName =
            // (<VariableClass>)_persistenc_variableName_vh.getValue();
            cv_get.visitFieldInsn(PUTFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());
        }


        // return this.variableName;
        cv_get.visitVarInsn(ALOAD, 0);
        cv_get.visitFieldInsn(GETFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());

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            cv_get.visitFieldInsn(PUTFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());
        }


        // return this.variableName;
        cv_get.visitVarInsn(ALOAD, 0);
        cv_get.visitFieldInsn(GETFIELD, classDetails.getClassName(), attribute, attributeDetails.getReferenceClassType().getDescriptor());
        // Get the opcode for the return insturction. This may be different
        // depending on the type.
        int opcode = attributeDetails.getReferenceClassType().getOpcode(IRETURN);
        cv_get.visitInsn(opcode);
        cv_get.visitMaxs(0, 0);

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                if (attributeDetails.weaveValueHolders()) { // &&
                                                            // !attributeDetails.isAttributeOnSuperClass())
                                                            // {
                    // clone._attribute_vh = this._attribute_vh.clone();
                    cv_clone.visitVarInsn(ALOAD, 0);
                    cv_clone.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                    Label label = new Label();
                    cv_clone.visitJumpInsn(IFNULL, label);
                    cv_clone.visitVarInsn(ALOAD, 0);
                    cv_clone.visitVarInsn(ALOAD, 0);
                    cv_clone.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);

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                    cv_clone.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                    Label label = new Label();
                    cv_clone.visitJumpInsn(IFNULL, label);
                    cv_clone.visitVarInsn(ALOAD, 0);
                    cv_clone.visitVarInsn(ALOAD, 0);
                    cv_clone.visitFieldInsn(GETFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                    cv_clone.visitMethodInsn(INVOKEINTERFACE, ClassWeaver.VHI_SHORT_SIGNATURE, "clone", "()Ljava/lang/Object;");
                    cv_clone.visitTypeInsn(CHECKCAST, ClassWeaver.VHI_SHORT_SIGNATURE);
                    cv_clone.visitFieldInsn(PUTFIELD, classDetails.getClassName(), PERSISTENCE_FIELDNAME_PREFIX + attributeDetails.getAttributeName() + PERSISTENCE_FIELDNAME_POSTFIX, ClassWeaver.VHI_SIGNATURE);
                    cv_clone.visitLabel(label);
                }

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