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

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

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

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

org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode is either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.

            cv_get.visitLabel(label);
        }
        // call super, or return null
        if (classDetails.getSuperClassDetails() == null) {
            // return null;
            cv_get.visitInsn(ACONST_NULL);
        } else {
            cv_get.visitVarInsn(ALOAD, 0);
            cv_get.visitVarInsn(ALOAD, 1);
            cv_get.visitMethodInsn(INVOKESPECIAL, classDetails.getSuperClassName(), "_persistence_get", "(Ljava/lang/String;)Ljava/lang/Object;");
        }

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     */
    public void addGetPropertyChangeListener(ClassDetails classDetails) {
        MethodVisitor cv_getPCL = cv.visitMethod(ACC_PUBLIC, "_persistence_getPropertyChangeListener", "()" + PCL_SIGNATURE, null, null);
        cv_getPCL.visitVarInsn(ALOAD, 0);
        cv_getPCL.visitFieldInsn(GETFIELD, classDetails.getClassName(), "_persistence_listener", PCL_SIGNATURE);
        cv_getPCL.visitInsn(ARETURN);
        cv_getPCL.visitMaxs(0, 0);
    }


    /**
     * Add the implementation of the changeTracker_setPropertyChangeListener

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    public void addSetPropertyChangeListener(ClassDetails classDetails) {
        MethodVisitor cv_setPCL = cv.visitMethod(ACC_PUBLIC, "_persistence_setPropertyChangeListener", "(" + PCL_SIGNATURE + ")V", null, null);
        cv_setPCL.visitVarInsn(ALOAD, 0);
        cv_setPCL.visitVarInsn(ALOAD, 1);
        cv_setPCL.visitFieldInsn(PUTFIELD, classDetails.getClassName(), "_persistence_listener", PCL_SIGNATURE);
        cv_setPCL.visitInsn(RETURN);
        cv_setPCL.visitMaxs(0, 0);
    }


    /**
     * Add a method to track property changes. The method will look as follows:

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        // _toplink_listener.propertyChange(...);
        cv_addPC.visitVarInsn(ALOAD, 0);
        cv_addPC.visitFieldInsn(GETFIELD, classDetails.getClassName(), "_persistence_listener", PCL_SIGNATURE);
        cv_addPC.visitTypeInsn(NEW, PCE_SHORT_SIGNATURE);
        cv_addPC.visitInsn(DUP);


        // new PropertyChangeEvent(this, s, obj, obj1)
        cv_addPC.visitVarInsn(ALOAD, 0);
        cv_addPC.visitVarInsn(ALOAD, 1);
        cv_addPC.visitVarInsn(ALOAD, 2);

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        cv_addPC.visitMethodInsn(INVOKEINTERFACE, PCL_SHORT_SIGNATURE, "propertyChange", "(" + PCE_SIGNATURE + ")V");


        // }
        cv_addPC.visitLabel(l0);


        cv_addPC.visitInsn(RETURN);
        cv_addPC.visitMaxs(0, 0);
    }


    /**
     * Add a method that allows us to lazily initialize a valueholder we have

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        cv_init_VH.visitJumpInsn(IFNONNULL, l0);


        // _persistence_attribute_vh = new ValueHolder(this.attribute);
        cv_init_VH.visitVarInsn(ALOAD, 0);
        cv_init_VH.visitTypeInsn(NEW, VH_SHORT_SIGNATURE);
        cv_init_VH.visitInsn(DUP);
        if (attributeDetails.hasField()) {
            cv_init_VH.visitVarInsn(ALOAD, 0);
            cv_init_VH.visitFieldInsn(GETFIELD, className, attribute, attributeDetails.getReferenceClassType().getDescriptor());
            cv_init_VH.visitMethodInsn(INVOKESPECIAL, VH_SHORT_SIGNATURE, "<init>", "(Ljava/lang/Object;)V");
        } else {

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        cv_init_VH.visitFieldInsn(PUTFIELD, className, PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, VHI_SIGNATURE);


        // _persistence_attribute_vh.setIsNewlyWeavedValueHolder(true);
        cv_init_VH.visitVarInsn(ALOAD, 0);
        cv_init_VH.visitFieldInsn(GETFIELD, className, PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, VHI_SIGNATURE);
        cv_init_VH.visitInsn(ICONST_1);
        cv_init_VH.visitMethodInsn(INVOKEINTERFACE, VHI_SHORT_SIGNATURE, "setIsNewlyWeavedValueHolder", "(Z)V");


        // }
        cv_init_VH.visitLabel(l0);

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        cv_init_VH.visitMethodInsn(INVOKEINTERFACE, VHI_SHORT_SIGNATURE, "setIsNewlyWeavedValueHolder", "(Z)V");


        // }
        cv_init_VH.visitLabel(l0);


        cv_init_VH.visitInsn(RETURN);
        cv_init_VH.visitMaxs(0, 0);
    }


    /**
     * Add a get method for the newly added valueholder. Adds a method of the

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        cv_get_VH.visitLabel(l1);


        // return _toplink_foo_vh;
        cv_get_VH.visitVarInsn(ALOAD, 0);
        cv_get_VH.visitFieldInsn(GETFIELD, className, PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, VHI_SIGNATURE);
        cv_get_VH.visitInsn(ARETURN);


        cv_get_VH.visitMaxs(0, 0);
    }


    /**

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            cv_set_value.visitLabel(l0);
            // else {
            cv_set_value.visitFrame(F_SAME, 0, null, 0, null);
            // foo = null;
            cv_set_value.visitVarInsn(ALOAD, 0);
            cv_set_value.visitInsn(ACONST_NULL);
            cv_set_value.visitFieldInsn(PUTFIELD, className, attributeDetails.attributeName, attributeDetails.getReferenceClassType().getDescriptor());
            //}
            cv_set_value.visitLabel(l2);
            cv_set_value.visitFrame(F_SAME, 0, null, 0, null);
        }

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