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Example 21 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMDeserializerFactory method _deserialze_list_obj.

private void _deserialze_list_obj(Context context, MethodVisitor mw, Label reset_, FieldInfo fieldInfo, Class<?> fieldClass, Class<?> itemType, int i) {
    Label _end_if = new Label();
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "matchField", "([C)Z");
    mw.visitJumpInsn(IFEQ, _end_if);
    _setFlag(mw, context, i);
    Label valueNotNull_ = new Label();
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.NULL);
    mw.visitJumpInsn(IF_ICMPNE, valueNotNull_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.COMMA);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    mw.visitJumpInsn(GOTO, _end_if);
    // loop_end_
    mw.visitLabel(valueNotNull_);
    Label storeCollection_ = new Label(), endSet_ = new Label(), lbacketNormal_ = new Label();
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.SET);
    mw.visitJumpInsn(IF_ICMPNE, endSet_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.LBRACKET);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    _newCollection(mw, fieldClass, i, true);
    mw.visitJumpInsn(GOTO, storeCollection_);
    mw.visitLabel(endSet_);
    // if (lexer.token() != JSONToken.LBRACKET) reset
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.LBRACKET);
    mw.visitJumpInsn(IF_ICMPEQ, lbacketNormal_);
    // if (lexer.token() == JSONToken.LBRACE) reset
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.LBRACE);
    mw.visitJumpInsn(IF_ICMPNE, reset_);
    _newCollection(mw, fieldClass, i, false);
    mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
    _getCollectionFieldItemDeser(context, mw, fieldInfo, itemType);
    mw.visitVarInsn(ALOAD, 1);
    mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemType)));
    mw.visitInsn(ICONST_0);
    mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
    mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "deserialze", "(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;)Ljava/lang/Object;");
    mw.visitVarInsn(ASTORE, context.var("list_item_value"));
    mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
    mw.visitVarInsn(ALOAD, context.var("list_item_value"));
    if (fieldClass.isInterface()) {
        mw.visitMethodInsn(INVOKEINTERFACE, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
    } else {
        mw.visitMethodInsn(INVOKEVIRTUAL, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
    }
    mw.visitInsn(POP);
    mw.visitJumpInsn(GOTO, _end_if);
    mw.visitLabel(lbacketNormal_);
    _newCollection(mw, fieldClass, i, false);
    mw.visitLabel(storeCollection_);
    mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
    boolean isPrimitive = ParserConfig.isPrimitive2(fieldInfo.fieldClass);
    _getCollectionFieldItemDeser(context, mw, fieldInfo, itemType);
    if (isPrimitive) {
        mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "getFastMatchToken", "()I");
        mw.visitVarInsn(ISTORE, context.var("fastMatchToken"));
        mw.visitVarInsn(ALOAD, context.var("lexer"));
        mw.visitVarInsn(ILOAD, context.var("fastMatchToken"));
        mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    } else {
        mw.visitInsn(POP);
        mw.visitLdcInsn(JSONToken.LBRACE);
        mw.visitVarInsn(ISTORE, context.var("fastMatchToken"));
        _quickNextToken(context, mw, JSONToken.LBRACE);
    }
    {
        // setContext
        mw.visitVarInsn(ALOAD, 1);
        mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getContext", "()" + desc(ParseContext.class));
        mw.visitVarInsn(ASTORE, context.var("listContext"));
        // parser
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
        mw.visitLdcInsn(fieldInfo.name);
        mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext", "(Ljava/lang/Object;Ljava/lang/Object;)" + desc(ParseContext.class));
        mw.visitInsn(POP);
    }
    Label loop_ = new Label();
    Label loop_end_ = new Label();
    // for (;;) {
    mw.visitInsn(ICONST_0);
    mw.visitVarInsn(ISTORE, context.var("i"));
    mw.visitLabel(loop_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.RBRACKET);
    mw.visitJumpInsn(IF_ICMPEQ, loop_end_);
    // Object value = itemDeserializer.deserialze(parser, null);
    // array.add(value);
    mw.visitVarInsn(ALOAD, 0);
    mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_list_item_deser__", desc(ObjectDeserializer.class));
    mw.visitVarInsn(ALOAD, 1);
    mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemType)));
    mw.visitVarInsn(ILOAD, context.var("i"));
    mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
    mw.visitMethodInsn(INVOKEINTERFACE, type(ObjectDeserializer.class), "deserialze", "(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;)Ljava/lang/Object;");
    mw.visitVarInsn(ASTORE, context.var("list_item_value"));
    mw.visitIincInsn(context.var("i"), 1);
    mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
    mw.visitVarInsn(ALOAD, context.var("list_item_value"));
    if (fieldClass.isInterface()) {
        mw.visitMethodInsn(INVOKEINTERFACE, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
    } else {
        mw.visitMethodInsn(INVOKEVIRTUAL, type(fieldClass), "add", "(Ljava/lang/Object;)Z");
    }
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, 1);
    mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
    mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "checkListResolve", "(Ljava/util/Collection;)V");
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.COMMA);
    mw.visitJumpInsn(IF_ICMPNE, loop_);
    if (isPrimitive) {
        mw.visitVarInsn(ALOAD, context.var("lexer"));
        mw.visitVarInsn(ILOAD, context.var("fastMatchToken"));
        mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    } else {
        _quickNextToken(context, mw, JSONToken.LBRACE);
    }
    mw.visitJumpInsn(GOTO, loop_);
    mw.visitLabel(loop_end_);
    // mw.visitVarInsn(ASTORE, context.var("context"));
    // parser.setContext(context);
    {
        // setContext
        // parser
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, context.var("listContext"));
        mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "setContext", "(" + desc(ParseContext.class) + ")V");
    }
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
    mw.visitLdcInsn(JSONToken.RBRACKET);
    mw.visitJumpInsn(IF_ICMPNE, reset_);
    _quickNextTokenComma(context, mw);
    // lexer.nextToken(JSONToken.COMMA);
    mw.visitLabel(_end_if);
}
Also used : Label(com.alibaba.fastjson.asm.Label) ParseContext(com.alibaba.fastjson.parser.ParseContext)

Example 22 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMDeserializerFactory method _quickNextToken.

private void _quickNextToken(Context context, MethodVisitor mw, int token) {
    Label quickElse_ = new Label(), quickEnd_ = new Label();
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
    if (token == JSONToken.LBRACE) {
        mw.visitVarInsn(BIPUSH, '{');
    } else if (token == JSONToken.LBRACKET) {
        mw.visitVarInsn(BIPUSH, '[');
    } else {
        throw new IllegalStateException();
    }
    mw.visitJumpInsn(IF_ICMPNE, quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(token);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(token);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    mw.visitLabel(quickEnd_);
}
Also used : Label(com.alibaba.fastjson.asm.Label)

Example 23 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMDeserializerFactory method _quickNextTokenComma.

private void _quickNextTokenComma(Context context, MethodVisitor mw) {
    Label quickElse_ = new Label(), quickElseIf0_ = new Label(), quickElseIf1_ = new Label(), quickElseIf2_ = new Label(), quickEnd_ = new Label();
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
    mw.visitInsn(DUP);
    mw.visitVarInsn(ISTORE, context.var("ch"));
    mw.visitVarInsn(BIPUSH, ',');
    mw.visitJumpInsn(IF_ICMPNE, quickElseIf0_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.COMMA);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElseIf0_);
    mw.visitVarInsn(ILOAD, context.var("ch"));
    mw.visitVarInsn(BIPUSH, '}');
    mw.visitJumpInsn(IF_ICMPNE, quickElseIf1_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.RBRACE);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElseIf1_);
    mw.visitVarInsn(ILOAD, context.var("ch"));
    mw.visitVarInsn(BIPUSH, ']');
    mw.visitJumpInsn(IF_ICMPNE, quickElseIf2_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.RBRACKET);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElseIf2_);
    mw.visitVarInsn(ILOAD, context.var("ch"));
    mw.visitVarInsn(BIPUSH, JSONLexer.EOI);
    mw.visitJumpInsn(IF_ICMPNE, quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.EOF);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "()V");
    mw.visitLabel(quickEnd_);
}
Also used : Label(com.alibaba.fastjson.asm.Label)

Example 24 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMDeserializerFactory method _getFieldDeser.

private void _getFieldDeser(Context context, MethodVisitor mw, FieldInfo fieldInfo) {
    Label notNull_ = new Label();
    mw.visitVarInsn(ALOAD, 0);
    mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(ObjectDeserializer.class));
    mw.visitJumpInsn(IFNONNULL, notNull_);
    mw.visitVarInsn(ALOAD, 0);
    mw.visitVarInsn(ALOAD, 1);
    mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getConfig", "()" + desc(ParserConfig.class));
    mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.fieldClass)));
    mw.visitMethodInsn(INVOKEVIRTUAL, type(ParserConfig.class), "getDeserializer", "(Ljava/lang/reflect/Type;)" + desc(ObjectDeserializer.class));
    mw.visitFieldInsn(PUTFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(ObjectDeserializer.class));
    mw.visitLabel(notNull_);
    mw.visitVarInsn(ALOAD, 0);
    mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_deser__", desc(ObjectDeserializer.class));
}
Also used : Label(com.alibaba.fastjson.asm.Label) ParserConfig(com.alibaba.fastjson.parser.ParserConfig)

Example 25 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMDeserializerFactory method _deserialzeArrayMapping.

private void _deserialzeArrayMapping(ClassWriter cw, Context context) {
    MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "deserialzeArrayMapping", "(L" + DefaultJSONParser + ";Ljava/lang/reflect/Type;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", null, null);
    defineVarLexer(context, mw);
    _createInstance(context, mw);
    FieldInfo[] sortedFieldInfoList = context.beanInfo.sortedFields;
    int fieldListSize = sortedFieldInfoList.length;
    for (int i = 0; i < fieldListSize; ++i) {
        final boolean last = (i == fieldListSize - 1);
        final char seperator = last ? ']' : ',';
        FieldInfo fieldInfo = sortedFieldInfoList[i];
        Class<?> fieldClass = fieldInfo.fieldClass;
        Type fieldType = fieldInfo.fieldType;
        if (//
        fieldClass == byte.class || //
        fieldClass == short.class || fieldClass == int.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
            mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
        } else if (fieldClass == long.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanLong", "(C)J");
            mw.visitVarInsn(LSTORE, context.var(fieldInfo.name + "_asm", 2));
        } else if (fieldClass == boolean.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanBoolean", "(C)Z");
            mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
        } else if (fieldClass == float.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanFloat", "(C)F");
            mw.visitVarInsn(FSTORE, context.var(fieldInfo.name + "_asm"));
        } else if (fieldClass == double.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanDouble", "(C)D");
            mw.visitVarInsn(DSTORE, context.var(fieldInfo.name + "_asm", 2));
        } else if (fieldClass == char.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanString", "(C)Ljava/lang/String;");
            mw.visitInsn(ICONST_0);
            mw.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C");
            mw.visitVarInsn(ISTORE, context.var(fieldInfo.name + "_asm"));
        } else if (fieldClass == String.class) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanString", "(C)Ljava/lang/String;");
            mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
        } else if (fieldClass.isEnum()) {
            Label enumNumIf_ = new Label();
            Label enumNumErr_ = new Label();
            Label enumStore_ = new Label();
            Label enumQuote_ = new Label();
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
            mw.visitInsn(DUP);
            mw.visitVarInsn(ISTORE, context.var("ch"));
            mw.visitLdcInsn((int) 'n');
            mw.visitJumpInsn(IF_ICMPEQ, enumQuote_);
            mw.visitVarInsn(ILOAD, context.var("ch"));
            mw.visitLdcInsn((int) '\"');
            mw.visitJumpInsn(IF_ICMPNE, enumNumIf_);
            mw.visitLabel(enumQuote_);
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass)));
            mw.visitVarInsn(ALOAD, 1);
            mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "getSymbolTable", "()" + desc(SymbolTable.class));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanEnum", "(Ljava/lang/Class;" + desc(SymbolTable.class) + "C)Ljava/lang/Enum;");
            mw.visitJumpInsn(GOTO, enumStore_);
            // (ch >= '0' && ch <= '9') {
            mw.visitLabel(enumNumIf_);
            mw.visitVarInsn(ILOAD, context.var("ch"));
            mw.visitLdcInsn((int) '0');
            mw.visitJumpInsn(IF_ICMPLT, enumNumErr_);
            mw.visitVarInsn(ILOAD, context.var("ch"));
            mw.visitLdcInsn((int) '9');
            mw.visitJumpInsn(IF_ICMPGT, enumNumErr_);
            _getFieldDeser(context, mw, fieldInfo);
            // cast
            mw.visitTypeInsn(CHECKCAST, type(EnumDeserializer.class));
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanInt", "(C)I");
            mw.visitMethodInsn(INVOKEVIRTUAL, type(EnumDeserializer.class), "valueOf", "(I)Ljava/lang/Enum;");
            mw.visitJumpInsn(GOTO, enumStore_);
            mw.visitLabel(enumNumErr_);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitVarInsn(BIPUSH, seperator);
            mw.visitMethodInsn(INVOKEVIRTUAL, type(JavaBeanDeserializer.class), "scanEnum", "(L" + JSONLexerBase + ";C)Ljava/lang/Enum;");
            mw.visitLabel(enumStore_);
            // cast
            mw.visitTypeInsn(CHECKCAST, type(fieldClass));
            mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
        } else if (Collection.class.isAssignableFrom(fieldClass)) {
            Class<?> itemClass = TypeUtils.getCollectionItemClass(fieldType);
            if (itemClass == String.class) {
                if (fieldClass == List.class || fieldClass == Collections.class || fieldClass == ArrayList.class) {
                    mw.visitTypeInsn(NEW, type(ArrayList.class));
                    mw.visitInsn(DUP);
                    mw.visitMethodInsn(INVOKESPECIAL, type(ArrayList.class), "<init>", "()V");
                } else {
                    mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass)));
                    mw.visitMethodInsn(INVOKESTATIC, type(TypeUtils.class), "createCollection", "(Ljava/lang/Class;)Ljava/util/Collection;");
                }
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(ALOAD, context.var(fieldInfo.name + "_asm"));
                mw.visitVarInsn(BIPUSH, seperator);
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanStringArray", "(Ljava/util/Collection;C)V");
                Label valueNullEnd_ = new Label();
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitFieldInsn(GETFIELD, JSONLexerBase, "matchStat", "I");
                mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONLexerBase.VALUE_NULL);
                mw.visitJumpInsn(IF_ICMPNE, valueNullEnd_);
                mw.visitInsn(ACONST_NULL);
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
                mw.visitLabel(valueNullEnd_);
            } else {
                Label notError_ = new Label();
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "token", "()I");
                mw.visitVarInsn(ISTORE, context.var("token"));
                mw.visitVarInsn(ILOAD, context.var("token"));
                int token = i == 0 ? JSONToken.LBRACKET : JSONToken.COMMA;
                mw.visitLdcInsn(token);
                mw.visitJumpInsn(IF_ICMPEQ, notError_);
                // DefaultJSONParser
                mw.visitVarInsn(ALOAD, 1);
                mw.visitVarInsn(ILOAD, context.var("token"));
                mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "throwException", "(I)V");
                mw.visitLabel(notError_);
                Label quickElse_ = new Label(), quickEnd_ = new Label();
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
                mw.visitVarInsn(BIPUSH, '[');
                mw.visitJumpInsn(IF_ICMPNE, quickElse_);
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
                mw.visitInsn(POP);
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitLdcInsn(JSONToken.LBRACKET);
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
                mw.visitJumpInsn(GOTO, quickEnd_);
                mw.visitLabel(quickElse_);
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitLdcInsn(JSONToken.LBRACKET);
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
                mw.visitLabel(quickEnd_);
                _newCollection(mw, fieldClass, i, false);
                mw.visitInsn(DUP);
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
                _getCollectionFieldItemDeser(context, mw, fieldInfo, itemClass);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(itemClass)));
                mw.visitVarInsn(ALOAD, 3);
                mw.visitMethodInsn(INVOKESTATIC, type(JavaBeanDeserializer.class), "parseArray", //
                "(Ljava/util/Collection;" + //
                desc(ObjectDeserializer.class) + "L" + DefaultJSONParser + //
                ";" + "Ljava/lang/reflect/Type;Ljava/lang/Object;)V");
            }
        } else if (fieldClass.isArray()) {
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            mw.visitLdcInsn(com.alibaba.fastjson.parser.JSONToken.LBRACKET);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
            mw.visitVarInsn(ALOAD, Context.parser);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitLdcInsn(i);
            mw.visitMethodInsn(INVOKEVIRTUAL, type(JavaBeanDeserializer.class), "getFieldType", "(I)Ljava/lang/reflect/Type;");
            mw.visitMethodInsn(INVOKEVIRTUAL, DefaultJSONParser, "parseObject", "(Ljava/lang/reflect/Type;)Ljava/lang/Object;");
            // cast
            mw.visitTypeInsn(CHECKCAST, type(fieldClass));
            mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
        } else {
            Label objElseIf_ = new Label();
            Label objEndIf_ = new Label();
            if (fieldClass == java.util.Date.class) {
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
                mw.visitLdcInsn((int) '1');
                mw.visitJumpInsn(IF_ICMPNE, objElseIf_);
                mw.visitTypeInsn(NEW, type(java.util.Date.class));
                mw.visitInsn(DUP);
                mw.visitVarInsn(ALOAD, context.var("lexer"));
                mw.visitVarInsn(BIPUSH, seperator);
                mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "scanLong", "(C)J");
                mw.visitMethodInsn(INVOKESPECIAL, type(java.util.Date.class), "<init>", "(J)V");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.name + "_asm"));
                mw.visitJumpInsn(GOTO, objEndIf_);
            }
            mw.visitLabel(objElseIf_);
            _quickNextToken(context, mw, JSONToken.LBRACKET);
            _deserObject(context, mw, fieldInfo, fieldClass, i);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, context.var("lexer"));
            if (!last) {
                mw.visitLdcInsn(JSONToken.COMMA);
            } else {
                mw.visitLdcInsn(JSONToken.RBRACKET);
            }
            //
            mw.visitMethodInsn(//
            INVOKESPECIAL, //
            type(JavaBeanDeserializer.class), "check", "(" + desc(JSONLexer.class) + "I)V");
            mw.visitLabel(objEndIf_);
            continue;
        }
    }
    _batchSet(context, mw, false);
    Label quickElse_ = new Label(), quickElseIf_ = new Label(), quickElseIfEOI_ = new Label(), quickEnd_ = new Label();
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "getCurrent", "()C");
    mw.visitInsn(DUP);
    mw.visitVarInsn(ISTORE, context.var("ch"));
    mw.visitVarInsn(BIPUSH, ',');
    mw.visitJumpInsn(IF_ICMPNE, quickElseIf_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.COMMA);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElseIf_);
    mw.visitVarInsn(ILOAD, context.var("ch"));
    mw.visitVarInsn(BIPUSH, ']');
    mw.visitJumpInsn(IF_ICMPNE, quickElseIfEOI_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.RBRACKET);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElseIfEOI_);
    mw.visitVarInsn(ILOAD, context.var("ch"));
    mw.visitVarInsn(BIPUSH, (char) JSONLexer.EOI);
    mw.visitJumpInsn(IF_ICMPNE, quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "next", "()C");
    mw.visitInsn(POP);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.EOF);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "setToken", "(I)V");
    mw.visitJumpInsn(GOTO, quickEnd_);
    mw.visitLabel(quickElse_);
    mw.visitVarInsn(ALOAD, context.var("lexer"));
    mw.visitLdcInsn(JSONToken.COMMA);
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONLexerBase, "nextToken", "(I)V");
    mw.visitLabel(quickEnd_);
    mw.visitVarInsn(ALOAD, context.var("instance"));
    mw.visitInsn(ARETURN);
    mw.visitMaxs(5, context.variantIndex);
    mw.visitEnd();
}
Also used : MethodWriter(com.alibaba.fastjson.asm.MethodWriter) Label(com.alibaba.fastjson.asm.Label) ArrayList(java.util.ArrayList) SymbolTable(com.alibaba.fastjson.parser.SymbolTable) TypeUtils(com.alibaba.fastjson.util.TypeUtils) MethodVisitor(com.alibaba.fastjson.asm.MethodVisitor) ParameterizedType(java.lang.reflect.ParameterizedType) Type(java.lang.reflect.Type) FieldInfo(com.alibaba.fastjson.util.FieldInfo)

Aggregations

Label (com.alibaba.fastjson.asm.Label)30 FieldInfo (com.alibaba.fastjson.util.FieldInfo)6 ParseContext (com.alibaba.fastjson.parser.ParseContext)4 JSONType (com.alibaba.fastjson.annotation.JSONType)3 MethodVisitor (com.alibaba.fastjson.asm.MethodVisitor)3 MethodWriter (com.alibaba.fastjson.asm.MethodWriter)3 ParserConfig (com.alibaba.fastjson.parser.ParserConfig)2 ParameterizedType (java.lang.reflect.ParameterizedType)2 Type (java.lang.reflect.Type)2 List (java.util.List)2 JSONException (com.alibaba.fastjson.JSONException)1 JSONField (com.alibaba.fastjson.annotation.JSONField)1 ClassWriter (com.alibaba.fastjson.asm.ClassWriter)1 FieldWriter (com.alibaba.fastjson.asm.FieldWriter)1 ResolveTask (com.alibaba.fastjson.parser.DefaultJSONParser.ResolveTask)1 SymbolTable (com.alibaba.fastjson.parser.SymbolTable)1 ASMUtils (com.alibaba.fastjson.util.ASMUtils)1 JavaBeanInfo (com.alibaba.fastjson.util.JavaBeanInfo)1 TypeUtils (com.alibaba.fastjson.util.TypeUtils)1 Serializable (java.io.Serializable)1