Examples of org.eclipse.persistence.internal.libraries.asm.CodeVisitor.visitVarInsn()

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

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

Examples of org.eclipse.persistence.internal.libraries.asm.CodeVisitor.visitVarInsn()

org.eclipse.persistence.internal.libraries.asm.CodeVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited.This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand isthe index of a local variable.


        cv = cw.visitMethod(Constants.ACC_PUBLIC, "getItem", "()Ljava/lang/Object;", null, methodAttrs1);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "iterator", "()Ljava/util/Iterator;");
        cv.visitVarInsn(Constants.ASTORE, 1);
        Label l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "size", "()I");

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        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "iterator", "()Ljava/util/Iterator;");
        cv.visitVarInsn(Constants.ASTORE, 1);
        Label l0 = new Label();
        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
        cv.visitIntInsn(Constants.NEWARRAY, getNewArrayConstantForPrimitive(primitiveClassName));
        cv.visitVarInsn(Constants.ASTORE, 2);
        cv.visitInsn(Constants.ICONST_0);

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        cv.visitLabel(l0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
        cv.visitIntInsn(Constants.NEWARRAY, getNewArrayConstantForPrimitive(primitiveClassName));
        cv.visitVarInsn(Constants.ASTORE, 2);
        cv.visitInsn(Constants.ICONST_0);
        cv.visitVarInsn(Constants.ISTORE, 3);
        Label l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();

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        cv.visitFieldInsn(Constants.GETFIELD, qualifiedInternalClassName, "item", "Ljava/util/Collection;");
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
        cv.visitIntInsn(Constants.NEWARRAY, getNewArrayConstantForPrimitive(primitiveClassName));
        cv.visitVarInsn(Constants.ASTORE, 2);
        cv.visitInsn(Constants.ICONST_0);
        cv.visitVarInsn(Constants.ISTORE, 3);
        Label l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 2);

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        cv.visitVarInsn(Constants.ISTORE, 3);
        Label l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;");
        cv.visitTypeInsn(Constants.CHECKCAST, componentType.getInternalName());
        // cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), "booleanValue", "()Z"); //

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        Label l1 = new Label();
        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;");
        cv.visitTypeInsn(Constants.CHECKCAST, componentType.getInternalName());
        // cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), "booleanValue", "()Z"); //
        cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), getToPrimitiveStringForObjectClass(primitiveClassName), getReturnTypeFor(primitiveClass));

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        cv.visitJumpInsn(Constants.GOTO, l1);
        Label l2 = new Label();
        cv.visitLabel(l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 1);
        cv.visitMethodInsn(Constants.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;");
        cv.visitTypeInsn(Constants.CHECKCAST, componentType.getInternalName());
        // cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), "booleanValue", "()Z"); //
        cv.visitMethodInsn(Constants.INVOKEVIRTUAL, componentType.getInternalName(), getToPrimitiveStringForObjectClass(primitiveClassName), getReturnTypeFor(primitiveClass));

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        int iaStoreOpcode = Type.getType(primitiveClass).getOpcode(Constants.IASTORE);
        cv.visitInsn(iaStoreOpcode);


        cv.visitIincInsn(3, 1);
        cv.visitLabel(l1);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARRAYLENGTH);
        cv.visitJumpInsn(Constants.IF_ICMPLT, l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARETURN);

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        cv.visitInsn(iaStoreOpcode);


        cv.visitIincInsn(3, 1);
        cv.visitLabel(l1);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARRAYLENGTH);
        cv.visitJumpInsn(Constants.IF_ICMPLT, l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARETURN);
        Label l3 = new Label();

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        cv.visitLabel(l1);
        cv.visitVarInsn(Constants.ILOAD, 3);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARRAYLENGTH);
        cv.visitJumpInsn(Constants.IF_ICMPLT, l2);
        cv.visitVarInsn(Constants.ALOAD, 2);
        cv.visitInsn(Constants.ARETURN);
        Label l3 = new Label();
        cv.visitLabel(l3);
        // CODE ATTRIBUTE
        // LocalVariableTypeTableAttribute cv = new LocalVariableTypeTableAttribute();

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