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

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

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

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

org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitMaxs()
Visits the maximum stack size and the maximum number of local variables of the method. @param maxStack maximum stack size of the method. @param maxLocals maximum number of local variables for the method.

        cv_isAttributeFetched.visitJumpInsn(GOTO, gotoReturn);
        cv_isAttributeFetched.visitLabel(gotoFalse);
        cv_isAttributeFetched.visitInsn(ICONST_0);
        cv_isAttributeFetched.visitLabel(gotoReturn);
        cv_isAttributeFetched.visitInsn(IRETURN);
        cv_isAttributeFetched.visitMaxs(0, 0);


        MethodVisitor cv_checkFetched = cv.visitMethod(ACC_PUBLIC, "_persistence_checkFetched", "(Ljava/lang/String;)V", null, null);
        cv_checkFetched.visitVarInsn(ALOAD, 0);
        cv_checkFetched.visitVarInsn(ALOAD, 1);
        cv_checkFetched.visitMethodInsn(INVOKEVIRTUAL, classDetails.getClassName(), "_persistence_isAttributeFetched", "(Ljava/lang/String;)Z");

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        cv_checkFetched.visitTypeInsn(CHECKCAST, FETCHGROUP_TRACKER_SHORT_SIGNATURE);
        cv_checkFetched.visitVarInsn(ALOAD, 1);
        cv_checkFetched.visitMethodInsn(INVOKESTATIC, ENTITY_MANAGER_IMPL_SHORT_SIGNATURE, "processUnfetchedAttribute", "(" + FETCHGROUP_TRACKER_SIGNATURE + "Ljava/lang/String;)V");
        cv_checkFetched.visitLabel(gotoReturn);
        cv_checkFetched.visitInsn(RETURN);
        cv_checkFetched.visitMaxs(0, 0);


        MethodVisitor cv_checkFetchedForSet = cv.visitMethod(ACC_PUBLIC, "_persistence_checkFetchedForSet", "(Ljava/lang/String;)V", null, null);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 0);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 1);
        cv_checkFetchedForSet.visitMethodInsn(INVOKEVIRTUAL, classDetails.getClassName(), "_persistence_isAttributeFetched", "(Ljava/lang/String;)Z");

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        cv_checkFetchedForSet.visitTypeInsn(CHECKCAST, FETCHGROUP_TRACKER_SHORT_SIGNATURE);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 1);
        cv_checkFetchedForSet.visitMethodInsn(INVOKESTATIC, ENTITY_MANAGER_IMPL_SHORT_SIGNATURE, "processUnfetchedAttributeForSet", "(" + FETCHGROUP_TRACKER_SIGNATURE + "Ljava/lang/String;)V");
        cv_checkFetchedForSet.visitLabel(gotoReturn);
        cv_checkFetchedForSet.visitInsn(RETURN);
        cv_checkFetchedForSet.visitMaxs(0, 0);
    }


    /**
     * Visit the class byte-codes and modify to weave Persistence interfaces.
     * This add PersistenceWeaved, PersistenceWeavedLazy,

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        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, ITEM, L + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label(); // ??
        mv.visitLabel(l1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();


        // Write: public {collectionType} getItem()
        methodSig = "()L" + collectionType.getInternalName() + "<" + componentTypeInternalName + ">;";
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getItem", "()L" + collectionType.getInternalName() + SEMI_COLON, methodSig, null);

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        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getItem", "()L" + collectionType.getInternalName() + SEMI_COLON, methodSig, null);
        mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlTransient;", true);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, qualifiedInternalClassName, ITEM, L + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();


        // Write: public Object getItem();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_BRIDGE + Opcodes.ACC_SYNTHETIC, "getItem", "()Ljava/lang/Object;", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);

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        // Write: public Object getItem();
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_BRIDGE + Opcodes.ACC_SYNTHETIC, "getItem", "()Ljava/lang/Object;", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, qualifiedInternalClassName, "getItem", "()L" + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();


        // Write: public void setItem(Object)
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_BRIDGE + Opcodes.ACC_SYNTHETIC, "setItem", "(Ljava/lang/Object;)V", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);

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        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitTypeInsn(Opcodes.CHECKCAST, EMPTY_STRING + collectionType.getInternalName() + EMPTY_STRING);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, qualifiedInternalClassName, "setItem", "(L" + collectionType.getInternalName() + ";)V");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();


        // Write @XmlType(namespace)
        AnnotationVisitor av = cw.visitAnnotation("Ljavax/xml/bind/annotation/XmlType;", true);
        av.visit("namespace", namespace);

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          mv.visitLdcInsn(Type.getType(fieldType));
          mv.visitInsn(Opcodes.ACONST_NULL);


          mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "org/eclipse/persistence/internal/jaxb/WrappedValue", "<init>", "(Ljavax/xml/namespace/QName;Ljava/lang/Class;Ljava/lang/Object;)V");
          mv.visitInsn(Opcodes.RETURN);
          mv.visitMaxs(5, 1);
          mv.visitEnd();




        cw.visitEnd();

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        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
        
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getKey", "()L"+qualifiedInternalKeyClassName+";", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, qualifiedInternalClassName, "key", "L"+qualifiedInternalKeyClassName+";");

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        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getKey", "()L"+qualifiedInternalKeyClassName+";", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, qualifiedInternalClassName, "key", "L"+qualifiedInternalKeyClassName+";");
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
        
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setKey", "(L"+qualifiedInternalKeyClassName+";)V", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);

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