Examples of com.alibaba.fastjson.asm.MethodVisitor.visitVarInsn()

Class com.alibaba.fastjson.asm.MethodVisitor

Examples of com.alibaba.fastjson.asm.MethodVisitor.visitVarInsn()

com.alibaba.fastjson.asm.MethodVisitor.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 is the index of a local variable.


                mw.visitJumpInsn(IFEQ, _else);
                mw.visitVarInsn(ALOAD, 0);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitVarInsn(ALOAD, 2);
                mw.visitVarInsn(ALOAD, 3);
                mw.visitVarInsn(ALOAD, context.paramFieldType());
                mw.visitMethodInsn(INVOKEVIRTUAL, className, "write1",
                                   "(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
                mw.visitInsn(RETURN);

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                mw.visitJumpInsn(IFEQ, _else);
                mw.visitVarInsn(ALOAD, 0);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitVarInsn(ALOAD, 2);
                mw.visitVarInsn(ALOAD, 3);
                mw.visitVarInsn(ALOAD, context.paramFieldType());
                mw.visitMethodInsn(INVOKEVIRTUAL, className, "write1",
                                   "(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
                mw.visitInsn(RETURN);


                mw.visitLabel(_else);

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                mw.visitInsn(RETURN);


                mw.visitLabel(_else);
            }


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj
            generateWriteMethod(clazz, mw, getters, context);
            mw.visitInsn(RETURN);
            mw.visitMaxs(5, context.getVariantCount() + 1);

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                mw.visitLabel(_else);
            }


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj
            generateWriteMethod(clazz, mw, getters, context);
            mw.visitInsn(RETURN);
            mw.visitMaxs(5, context.getVariantCount() + 1);
            mw.visitEnd();
        }

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            mw = cw.visitMethod(ACC_PUBLIC,
                                "write1",
                                "(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V",
                                null, new String[] { "java/io/IOException" });


            mw.visitVarInsn(ALOAD, context.serializer()); // serializer
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
                               "()" + getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));


            mw.visitVarInsn(ALOAD, context.obj()); // obj

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                                null, new String[] { "java/io/IOException" });


            mw.visitVarInsn(ALOAD, context.serializer()); // serializer
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
                               "()" + getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj

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            mw.visitVarInsn(ALOAD, context.serializer()); // serializer
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
                               "()" + getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj


            generateWriteMethod(clazz, mw, sortedGetters, context);

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                               "()" + getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj


            generateWriteMethod(clazz, mw, sortedGetters, context);


            mw.visitInsn(RETURN);
            mw.visitMaxs(5, context.getVariantCount() + 1);

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        Label reset_ = new Label();
        Label super_ = new Label();
        Label return_ = new Label();
        Label end_ = new Label();


        mw.visitVarInsn(ALOAD, 1);
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getLexer", "()" + getDesc(JSONLexer.class));
        mw.visitVarInsn(ASTORE, context.var("lexer"));


        mw.visitVarInsn(ALOAD, context.var("lexer"));
        mw.visitFieldInsn(GETSTATIC, getType(Feature.class), "SortFeidFastMatch", "L" + getType(Feature.class) + ";");

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        Label return_ = new Label();
        Label end_ = new Label();


        mw.visitVarInsn(ALOAD, 1);
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getLexer", "()" + getDesc(JSONLexer.class));
        mw.visitVarInsn(ASTORE, context.var("lexer"));


        mw.visitVarInsn(ALOAD, context.var("lexer"));
        mw.visitFieldInsn(GETSTATIC, getType(Feature.class), "SortFeidFastMatch", "L" + getType(Feature.class) + ";");
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "isEnabled", "(" + "L" + getType(Feature.class)
                                                                                   + ";" + ")Z");

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