Examples of com.alibaba.fastjson.asm.Label

com.alibaba.fastjson.asm.Label
A label represents a position in the bytecode of a method. Labels are used for jump, goto, and switch instructions, and for try catch blocks. A label designates the instruction that is just after. Note however that there can be other elements between a label and the instruction it designates (such as other labels, stack map frames, line numbers, etc.). @author Eric Bruneton


        mw.visitLabel(_end);
    }


    private void _double(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(DSTORE, context.var("double", 2));

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        mw.visitLabel(_end);
    }


    private void _char(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ISTORE, context.var("char"));

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        mw.visitLabel(_end);
    }


    private void _boolean(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ISTORE, context.var("boolean"));

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                              getDesc(property.getFieldClass()));
        }
    }


    private void _byte(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ISTORE, context.var("byte"));

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        mw.visitLabel(_end);
    }


    private void _short(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ISTORE, context.var("short"));

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        mw.visitLabel(_end);
    }


    private void _int(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ISTORE, context.var("int"));

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        mw.visitLabel(_end);
    }


    private void _decimal(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ASTORE, context.var("decimal"));


        _filters(mw, property, context, _end);


        Label _if = new Label();
        Label _else = new Label();
        Label _end_if = new Label();


        mw.visitLabel(_if);


        // if (decimalValue == null) {
        mw.visitVarInsn(ALOAD, context.var("decimal"));

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        mw.visitLabel(_end);
    }


    private void _string(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
        Label _end = new Label();


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitVarInsn(ASTORE, context.var("string"));


        _filters(mw, property, context, _end);


        Label _else = new Label();
        Label _end_if = new Label();


        // if (value == null) {
        mw.visitVarInsn(ALOAD, context.var("string"));
        mw.visitJumpInsn(IFNONNULL, _else);

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        Class<?> elementClass = null;
        if (elementType instanceof Class<?>) {
            elementClass = (Class<?>) elementType;
        }


        Label _end = new Label();


        Label _if = new Label();
        Label _else = new Label();
        Label _end_if = new Label();


        mw.visitLabel(_if);


        _nameApply(mw, property, context, _end);
        _get(mw, context, property);
        mw.visitTypeInsn(CHECKCAST, getType(List.class)); // cast
        mw.visitVarInsn(ASTORE, context.var("list"));


        _filters(mw, property, context, _end);


        mw.visitVarInsn(ALOAD, context.var("list"));
        mw.visitJumpInsn(IFNONNULL, _else);
        _if_write_null(mw, property, context);
        mw.visitJumpInsn(GOTO, _end_if);


        mw.visitLabel(_else); // else {


        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(ILOAD, context.var("seperator"));
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");


        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(ALOAD, context.fieldName());
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldName", "(Ljava/lang/String;)V");


        //
        mw.visitVarInsn(ALOAD, context.var("list"));
        mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "size", "()I");
        mw.visitVarInsn(ISTORE, context.var("int"));


        Label _if_3 = new Label();
        Label _else_3 = new Label();
        Label _end_if_3 = new Label();


        mw.visitLabel(_if_3);


        mw.visitVarInsn(ILOAD, context.var("int"));
        mw.visitInsn(ICONST_0);
        mw.visitJumpInsn(IF_ICMPNE, _else_3);


        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitLdcInsn("[]");
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(Ljava/lang/String;)V");


        mw.visitJumpInsn(GOTO, _end_if_3);


        mw.visitLabel(_else_3);


        {
            mw.visitVarInsn(ALOAD, context.serializer());
            mw.visitVarInsn(ALOAD, context.var("list"));
            mw.visitVarInsn(ALOAD, context.fieldName());
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "setContext",
                               "(Ljava/lang/Object;Ljava/lang/Object;)V");
        }


        {
            mw.visitVarInsn(ALOAD, context.var("out"));
            mw.visitVarInsn(BIPUSH, '[');
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");


            // list_serializer = null
            mw.visitInsn(ACONST_NULL);
            mw.visitTypeInsn(CHECKCAST, getType(ObjectSerializer.class)); // cast to string
            mw.visitVarInsn(ASTORE, context.var("list_ser"));


            Label _for = new Label();
            Label _end_for = new Label();


            mw.visitInsn(ICONST_0);
            mw.visitVarInsn(ISTORE, context.var("i"));


            // for (; i < list.size() -1; ++i) {

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        _apply(mw, property, context);
        mw.visitJumpInsn(IFEQ, _end);


        _processKey(mw, property, context);


        Label _else_processKey = new Label();
        _processValue(mw, property, context);


        mw.visitVarInsn(ALOAD, context.original());
        mw.visitVarInsn(ALOAD, context.processValue());
        mw.visitJumpInsn(IF_ACMPEQ, _else_processKey);

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Related Classes of com.alibaba.fastjson.asm.Label

com.alibaba.fastjson.parser.deserializer.ASMDeserializerFactory

com.alibaba.fastjson.serializer.ASMSerializerFactory

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