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

Class com.alibaba.fastjson.asm.MethodVisitor

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

com.alibaba.fastjson.asm.MethodVisitor.visitMethodInsn()
Visits a method instruction. A method instruction is an instruction that invokes a method. @param opcode the opcode of the type instruction to be visited. This opcode is either INVOKEVIRTUAL,INVOKESPECIAL, INVOKESTATIC, INVOKEINTERFACE or INVOKEDYNAMIC. @param owner the internal name of the method's owner class (see {@link Type#getInternalName() getInternalName}) or {@link com.alibaba.fastjson.asm.Opcodes#INVOKEDYNAMIC_OWNER}. @param name the method's name. @param desc the method's descriptor (see {@link Type Type}).


                    mw.visitVarInsn(ASTORE, context.var("instance"));
                } else {
                    mw.visitVarInsn(ALOAD, 0);
                    mw.visitVarInsn(ALOAD, 1);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "createInstance",
                                       "(" + getDesc(DefaultJSONParser.class) + ")Ljava/lang/Object;");
                    mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                    mw.visitVarInsn(ASTORE, context.var("instance"));
                }
            } else {

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            }
        }


        {
            mw.visitVarInsn(ALOAD, 1); // parser
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getContext",
                               "()" + ASMUtils.getDesc(ParseContext.class));
            mw.visitVarInsn(ASTORE, context.var("context"));


            mw.visitVarInsn(ALOAD, 1); // parser
            mw.visitVarInsn(ALOAD, context.var("context"));

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            mw.visitVarInsn(ALOAD, 1); // parser
            mw.visitVarInsn(ALOAD, context.var("context"));
            mw.visitVarInsn(ALOAD, context.var("instance"));
            mw.visitVarInsn(ALOAD, 3); // fieldName
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "setContext",
                               "(" + ASMUtils.getDesc(ParseContext.class) + "Ljava/lang/Object;Ljava/lang/Object;)"
                                       + ASMUtils.getDesc(ParseContext.class));
            mw.visitVarInsn(ASTORE, context.var("childContext"));
        }

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                if (fieldClass == String.class) {
                    Label flagEnd_ = new Label();
                    mw.visitVarInsn(ALOAD, context.var("lexer"));
                    mw.visitFieldInsn(GETSTATIC, getType(Feature.class), "InitStringFieldAsEmpty",
                                      "L" + getType(Feature.class) + ";");
                    mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "isEnabled", "(" + "L"
                                                                                               + getType(Feature.class)
                                                                                               + ";" + ")Z");
                    mw.visitJumpInsn(IFEQ, flagEnd_);
                    _setFlag(mw, context, i);
                    mw.visitLabel(flagEnd_);

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                    mw.visitJumpInsn(IFEQ, flagEnd_);
                    _setFlag(mw, context, i);
                    mw.visitLabel(flagEnd_);


                    mw.visitVarInsn(ALOAD, context.var("lexer"));
                    mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "stringDefaultValue",
                                       "()Ljava/lang/String;");
                } else {
                    mw.visitInsn(ACONST_NULL);
                }

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            if (fieldClass == boolean.class) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "scanFieldBoolean", "([C)Z");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == byte.class) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");

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            fw.visitEnd();
        }


        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");


        // mw.visitFieldInsn(PUTFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");


        for (FieldInfo fieldInfo : getters) {
            mw.visitVarInsn(ALOAD, 0);

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            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(getDesc(fieldInfo.getDeclaringClass())));


            if (fieldInfo.getMethod() != null) {
                mw.visitLdcInsn(fieldInfo.getMethod().getName());
                mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getMethodType",
                                   "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");


            } else {
                mw.visitLdcInsn(fieldInfo.getField().getName());
                mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getFieldType",

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                mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getMethodType",
                                   "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");


            } else {
                mw.visitLdcInsn(fieldInfo.getField().getName());
                mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getFieldType",
                                   "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");
            }


            mw.visitFieldInsn(PUTFIELD, className, fieldInfo.getName() + "_asm_fieldType", "Ljava/lang/reflect/Type;");
        }

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                                "write",
                                "(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"));


            JSONType jsonType = clazz.getAnnotation(JSONType.class);

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