Package com.alibaba.fastjson.util

Examples of com.alibaba.fastjson.util.FieldInfo

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        mw.visitVarInsn(ISTORE, context.var("seperator"));
       
        _before(mw, context);

        for (int i = 0; i < size; ++i) {
            FieldInfo property = getters.get(i);
            Class<?> propertyClass = property.getFieldClass();

            mw.visitLdcInsn(property.getName());
            mw.visitVarInsn(ASTORE, context.fieldName());

            if (propertyClass == byte.class) {
                _byte(clazz, mw, property, context);
            } else if (propertyClass == short.class) {
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        mw.visitFieldInsn(GETFIELD, getType(JSONScanner.class), "matchStat", "I");
        mw.visitFieldInsn(GETSTATIC, getType(JSONScanner.class), "END", "I");
        mw.visitJumpInsn(IF_ICMPEQ, return_);

        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();

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

            } else if (fieldClass == byte.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == short.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == int.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == long.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldLong", "([C)J");
                mw.visitVarInsn(LSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == float.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldFloat", "([C)F");
                mw.visitVarInsn(FSTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == double.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldDouble", "([C)D");
                mw.visitVarInsn(DSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == String.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldString",
                                   "([C)Ljava/lang/String;");
                mw.visitInsn(DUP);

                Label endCheck_ = new Label();
                mw.visitJumpInsn(IFNONNULL, endCheck_);

                mw.visitVarInsn(ALOAD, 1);
                mw.visitFieldInsn(GETSTATIC, getType(Feature.class), "InitStringFieldAsEmpty", "L"
                                                                                               + getType(Feature.class)
                                                                                               + ";");
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "isEnabled",
                                   "(" + "L" + getType(Feature.class) + ";" + ")Z");
                mw.visitJumpInsn(IFEQ, endCheck_);

                mw.visitInsn(POP);
                mw.visitLdcInsn("");

                mw.visitLabel(endCheck_);

                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == byte[].class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldByteArray", "([C)[B");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass.isEnum()) {
                Label enumNull_ = new Label();
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

                mw.visitVarInsn(ALOAD, 1);
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getSymbolTable",
                                   "()" + getDesc(SymbolTable.class));

                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldSymbol",
                                   "([C" + getDesc(SymbolTable.class) + ")Ljava/lang/String;");
                mw.visitInsn(DUP);
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm_enumName"));

                mw.visitJumpInsn(IFNULL, enumNull_);
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm_enumName"));
                mw.visitMethodInsn(INVOKESTATIC, getType(fieldClass), "valueOf", "(Ljava/lang/String;)"
                                                                                 + getDesc(fieldClass));
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                mw.visitLabel(enumNull_);

            } else if (Collection.class.isAssignableFrom(fieldClass)) {

                Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];

                if (actualTypeArgument instanceof Class) {
                    Class<?> itemClass = (Class<?>) actualTypeArgument;

                    if (!Modifier.isPublic(itemClass.getModifiers())) {
                        throw new ASMException("can not create ASMParser");
                    }

                    if (itemClass == String.class) {
                        mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(getDesc(fieldClass))); // cast
                        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONScanner.class), "scanFieldStringArray",
                                           "([CLjava/lang/Class;)" + getDesc(Collection.class));
                        mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                    } else {
                        _deserialze_list_obj(context, mw, reset_, fieldInfo, fieldClass, itemClass);

                        if (i == size - 1) {
                            _deserialize_endCheck(context, mw, reset_);
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    private void _loadCreatorParameters(Context context, MethodVisitor mw) {
        List<FieldInfo> fieldInfoList = context.getBeanInfo().getFieldList();

        for (int i = 0, size = fieldInfoList.size(); i < size; ++i) {
            FieldInfo fieldInfo = fieldInfoList.get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();

            if (fieldClass == boolean.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == byte.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == short.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == int.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == long.class) {
                mw.visitVarInsn(LLOAD, context.var(fieldInfo.getName() + "_asm", 2));
            } else if (fieldClass == float.class) {
                mw.visitVarInsn(FLOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == double.class) {
                mw.visitVarInsn(DLOAD, context.var(fieldInfo.getName() + "_asm", 2));
            } else if (fieldClass == String.class) {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass.isEnum()) {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (Collection.class.isAssignableFrom(fieldClass)) {
                Type itemType = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
                if (itemType == String.class) {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                    mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                } else {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                }
            } else {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            }
        }
    }
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        }
    }

    private void _batchSet(Context context, MethodVisitor mw) {
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();

            mw.visitVarInsn(ALOAD, context.var("instance"));
            if (fieldClass == boolean.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == byte.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == short.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == int.class) {
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == long.class) {
                mw.visitVarInsn(LLOAD, context.var(fieldInfo.getName() + "_asm", 2));
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(context.getClazz()), fieldInfo.getMethod().getName(), "(J)V");
                continue;
            } else if (fieldClass == float.class) {
                mw.visitVarInsn(FLOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == double.class) {
                mw.visitVarInsn(DLOAD, context.var(fieldInfo.getName() + "_asm", 2));
            } else if (fieldClass == String.class) {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass.isEnum()) {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            } else if (Collection.class.isAssignableFrom(fieldClass)) {
                Type itemType = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
                if (itemType == String.class) {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                    mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                } else {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                }
            } else {
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
            }

            int INVAKE_TYPE;
            if (context.getClazz().isInterface()) {
                INVAKE_TYPE = INVOKEINTERFACE;
            } else {
                INVAKE_TYPE = INVOKEVIRTUAL;
            }
            if (fieldInfo.getMethod() != null) {
                mw.visitMethodInsn(INVAKE_TYPE, getType(fieldInfo.getDeclaringClass()),
                                   fieldInfo.getMethod().getName(), getDesc(fieldInfo.getMethod()));
               
                if (!fieldInfo.getMethod().getReturnType().equals(Void.TYPE)) {
                  mw.visitInsn(POP);
                }
            } else {
                mw.visitFieldInsn(PUTFIELD, getType(fieldInfo.getDeclaringClass()), fieldInfo.getField().getName(),
                                  getDesc(fieldInfo.getFieldClass()));
            }
        }
    }
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        }
    }

    private void _init(ClassWriter cw, Context context) {
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);

            // public FieldVisitor visitField(final int access, final String name, final String desc, final String
            // signature, final Object value) {
            FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_prefix__", "[C");
            fw.visitEnd();
        }

        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();

            if (fieldClass.isPrimitive()) {
                continue;
            }

            if (fieldClass.isEnum()) {

            } else if (Collection.class.isAssignableFrom(fieldClass)) {
                FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_list_item_deser__",
                                                getDesc(ObjectDeserializer.class));
                fw.visitEnd();
            } else {
                FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_deser__",
                                                getDesc(ObjectDeserializer.class));
                fw.visitEnd();
            }
        }

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "(" + getDesc(ParserConfig.class)
                                                                + getDesc(Class.class) + ")V", null, null);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, 2);
        mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "<init>",
                           "(" + getDesc(ParserConfig.class) + getDesc(Class.class) + ")V");

        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, getType(ASMJavaBeanDeserializer.class), "serializer",
                          getDesc(InnerJavaBeanDeserializer.class));
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JavaBeanDeserializer.class), "getFieldDeserializerMap",
                           "()" + getDesc(Map.class));
        mw.visitInsn(POP);

        // init fieldNamePrefix
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);

            mw.visitVarInsn(ALOAD, 0);
            mw.visitLdcInsn("\"" + fieldInfo.getName() + "\":"); // public char[] toCharArray()
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(String.class), "toCharArray", "()" + getDesc(char[].class));
            mw.visitFieldInsn(PUTFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");

        }

        mw.visitInsn(RETURN);
        mw.visitMaxs(4, 4);
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                List<FieldInfo> fieldInfoList = beanInfo.getFieldList();
                int size = fieldInfoList.size();
                Object[] params = new Object[size];
                for (int i = 0; i < size; ++i) {
                    FieldInfo fieldInfo = fieldInfoList.get(i);
                    params[i] = fieldValues.get(fieldInfo.getName());
                }

                if (beanInfo.getCreatorConstructor() != null) {
                    try {
                        object = beanInfo.getCreatorConstructor().newInstance(params);
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        }

        mw.visitVarInsn(ISTORE, context.var("seperator"));

        for (int i = 0; i < size; ++i) {
            FieldInfo property = getters.get(i);
            Class<?> propertyClass = property.getFieldClass();

            mw.visitLdcInsn(property.getName());
            mw.visitVarInsn(ASTORE, context.fieldName());

            if (propertyClass == byte.class) {
                _byte(clazz, mw, property, context);
            } else if (propertyClass == short.class) {
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            mw.visitVarInsn(ISTORE, context.var("_asm_flag_" + (i / 32)));
        }

        // declare and init
        for (int i = 0; i < fieldListSize; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();

            if (fieldClass == boolean.class //
                || fieldClass == byte.class //
                || fieldClass == short.class //
                || fieldClass == int.class) {
                mw.visitInsn(ICONST_0);
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == long.class) {
                mw.visitInsn(LCONST_0);
                mw.visitVarInsn(LSTORE, context.var(fieldInfo.getName() + "_asm", 2));
            } else if (fieldClass == float.class) {
                mw.visitInsn(FCONST_0);
                mw.visitVarInsn(FSTORE, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass == double.class) {
                mw.visitInsn(DCONST_0);
                mw.visitVarInsn(DSTORE, context.var(fieldInfo.getName() + "_asm", 2));
            } else {
                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_);

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

                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
            }
        }

        for (int i = 0; i < fieldListSize; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();

            Label notMatch_ = new Label();

            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");
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == short.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), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == int.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), "scanFieldInt", "([C)I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == long.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), "scanFieldLong", "([C)J");
                mw.visitVarInsn(LSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == float.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), "scanFieldFloat", "([C)F");
                mw.visitVarInsn(FSTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == double.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), "scanFieldDouble", "([C)D");
                mw.visitVarInsn(DSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == String.class) {
                Label notEnd_ = new Label();

                mw.visitIntInsn(ILOAD, context.var("matchStat"));
                mw.visitInsn(ICONST_4); // END
                mw.visitJumpInsn(IF_ICMPNE, notEnd_);

                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "stringDefaultValue",
                                   "()Ljava/lang/String;");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                mw.visitJumpInsn(GOTO, notMatch_);

                mw.visitLabel(notEnd_);

                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), "scanFieldString", "([C)Ljava/lang/String;");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass.isEnum()) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");
                Label enumNull_ = new Label();
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

                mw.visitVarInsn(ALOAD, 1);
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(DefaultJSONParser.class), "getSymbolTable",
                                   "()" + getDesc(SymbolTable.class));

                mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "scanFieldSymbol",
                                   "([C" + getDesc(SymbolTable.class) + ")Ljava/lang/String;");
                mw.visitInsn(DUP);
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm_enumName"));

                mw.visitJumpInsn(IFNULL, enumNull_);
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm_enumName"));
                mw.visitMethodInsn(INVOKESTATIC, getType(fieldClass), "valueOf", "(Ljava/lang/String;)"
                                                                                 + getDesc(fieldClass));
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                mw.visitLabel(enumNull_);

            } else if (Collection.class.isAssignableFrom(fieldClass)) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");

                Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];

                if (actualTypeArgument instanceof Class) {
                    Class<?> itemClass = (Class<?>) actualTypeArgument;

                    if (!Modifier.isPublic(itemClass.getModifiers())) {
                        throw new ASMException("can not create ASMParser");
                    }

                    if (itemClass == String.class) {
                        mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(getDesc(fieldClass))); // cast
                        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONLexer.class), "scanFieldStringArray",
                                           "([CLjava/lang/Class;)" + getDesc(Collection.class));
                        mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                    } else {
                        _deserialze_list_obj(context, mw, reset_, fieldInfo, fieldClass, itemClass, i);

                        if (i == fieldListSize - 1) {
                            _deserialize_endCheck(context, mw, reset_);
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        mw.visitEnd();
    }

    private void _batchSet(Context context, MethodVisitor mw) {
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();

            Label notSet_ = new Label();
            _isFlag(mw, context, i, notSet_);

            if (fieldClass == boolean.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == byte.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == short.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == int.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ILOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == long.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(LLOAD, context.var(fieldInfo.getName() + "_asm", 2));
                if (fieldInfo.getMethod() != null) {
                    mw.visitMethodInsn(INVOKEVIRTUAL, getType(context.getClazz()), fieldInfo.getMethod().getName(),
                                       "(J)V");
                } else {
                    mw.visitFieldInsn(PUTFIELD, getType(fieldInfo.getDeclaringClass()), fieldInfo.getField().getName(),
                                      getDesc(fieldInfo.getFieldClass()));
                }
            } else if (fieldClass == float.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(FLOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == double.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(DLOAD, context.var(fieldInfo.getName() + "_asm", 2));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass == String.class) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (fieldClass.isEnum()) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);
            } else if (Collection.class.isAssignableFrom(fieldClass)) {
                mw.visitVarInsn(ALOAD, context.var("instance"));
                Type itemType = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
                if (itemType == String.class) {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                    mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                } else {
                    mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                }
                _batchSetInvoke(context, mw, fieldInfo);

            } else {
                // mw.visitFieldInsn(GETSTATIC, getType(System.class), "out", "Ljava/io/PrintStream;");
                // mw.visitIntInsn(ILOAD, context.var(fieldInfo.getName() + "_asm_flag"));
                // mw.visitMethodInsn(INVOKEVIRTUAL, getType(java.io.PrintStream.class), "println", "(I)V");

                // _isFlag(mw, context, i, notSet_);

                mw.visitVarInsn(ALOAD, context.var("instance"));
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.getName() + "_asm"));
                _batchSetInvoke(context, mw, fieldInfo);

            }

            mw.visitLabel(notSet_);
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        }
    }

    private void _init(ClassWriter cw, Context context) {
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);

            // public FieldVisitor visitField(final int access, final String name, final String desc, final String
            // signature, final Object value) {
            FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_prefix__", "[C");
            fw.visitEnd();
        }

        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();

            if (fieldClass.isPrimitive()) {
                continue;
            }

            if (fieldClass.isEnum()) {
                continue;
            }

            if (Collection.class.isAssignableFrom(fieldClass)) {
                FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_list_item_deser__",
                                                getDesc(ObjectDeserializer.class));
                fw.visitEnd();
            } else {
                FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_deser__",
                                                getDesc(ObjectDeserializer.class));
                fw.visitEnd();
            }
        }

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "(" + getDesc(ParserConfig.class)
                                                                + getDesc(Class.class) + ")V", null, null);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, 2);
        mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "<init>",
                           "(" + getDesc(ParserConfig.class) + getDesc(Class.class) + ")V");

        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, getType(ASMJavaBeanDeserializer.class), "serializer",
                          getDesc(InnerJavaBeanDeserializer.class));
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JavaBeanDeserializer.class), "getFieldDeserializerMap",
                           "()" + getDesc(Map.class));
        mw.visitInsn(POP);

        // init fieldNamePrefix
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);

            mw.visitVarInsn(ALOAD, 0);
            mw.visitLdcInsn("\"" + fieldInfo.getName() + "\":"); // public char[] toCharArray()
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(String.class), "toCharArray", "()" + getDesc(char[].class));
            mw.visitFieldInsn(PUTFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");

        }

        mw.visitInsn(RETURN);
        mw.visitMaxs(4, 4);
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  • com.alibaba.fastjson.parser.deserializer.ASMDeserializerFactory
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