mirror of
https://github.com/tars-node/tars2node.git
synced 2024-03-22 13:10:56 +08:00
392 lines
7.3 KiB
C++
392 lines
7.3 KiB
C++
/**
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* Tencent is pleased to support the open source community by making Tars available.
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*
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* Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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#ifndef __TARS_PARSE_H_
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#define __TARS_PARSE_H_
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#include <iostream>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include <iterator>
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#include <map>
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#include <stack>
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#include <sstream>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "element.h"
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#include "util/tc_common.h"
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#include "util/tc_autoptr.h"
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using namespace std;
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/**
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* Tars文件解析类
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*
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*/
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class TarsParse : public tars::TC_HandleBase
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{
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public:
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/**
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* 构造函数
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*/
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TarsParse();
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/**
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* 是否支持tars开头的标识
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* @param bWithTars
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*/
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void setTars(bool bWithTars);
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/**
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* 头文件路径
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* @param sHeader
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*/
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void setHeader(const string &sHeader);
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/**
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* 是否支持优先使用当前tars文件
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* @param bWithTars
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*/
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void setCurrentPriority(bool bFlag);
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/**
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* 获取头文件路径
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*/
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string getHeader();
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/**
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* 解析某一个文件
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* @param sFileName
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*/
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void parse(const string &sFileName);
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/**
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* 错误提示
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* @param msg
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*/
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void error(const string &msg);
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/**
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* 检查关键字
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* @param s
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*
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* @return int
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*/
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int checkKeyword(const string &s);
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/**
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* 下一行
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*/
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void nextLine();
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/**
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* 目前解析的文件名称
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*
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* @return string
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*/
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string getCurrFileName();
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/**
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* tab
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*
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* @return string
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*/
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string getTab();
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/**
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* 增加tab数
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*/
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void incTab() { _itab++; }
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/**
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* 减少tab数
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*/
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void delTab() { _itab--; }
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/**
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* 解析文件
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* @param file
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*/
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void pushFile(const string &file);
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/**
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* 弹出解析文件
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*/
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ContextPtr popFile();
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/**
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* 获取所有的上下文
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*
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* @return std::vector<ContextPtr>
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*/
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std::vector<ContextPtr> getContexts() { return _vcontexts; }
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/**
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* 获取目前的容器
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*
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* @return ContainerPtr
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*/
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ContainerPtr currentContainer();
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/**
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* push容器
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* @param c
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*/
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void pushContainer(const ContainerPtr &c);
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/**
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* 目前的上下文
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*
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* @return ContextPtr
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*/
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ContextPtr currentContextPtr();
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/**
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* 弹出容器
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*
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* @return ContainerPtr
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*/
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ContainerPtr popContainer();
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/**
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* 生成Builtin元素
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* @param kind
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*
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* @return BuiltinPtr
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*/
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BuiltinPtr createBuiltin(Builtin::Kind kind,bool isUnsigned = false);
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/**
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* 生成Vector元素
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* @param ptr
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*
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* @return VectorPtr
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*/
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VectorPtr createVector(const TypePtr &ptr);
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/**
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* 生成Map元素
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* @param pleft
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* @param pright
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*
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* @return MapPtr
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*/
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MapPtr createMap(const TypePtr &pleft, const TypePtr &pright);
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/**
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* 添加结构元素
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* @param sPtr
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*/
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void addStructPtr(const StructPtr &sPtr);
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/**
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* 查找结构
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* @param id
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*
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* @return StructPtr
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*/
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StructPtr findStruct(const string &sid);
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/**
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* 添加枚举元素
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* @param ePtr
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*/
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void addEnumPtr(const EnumPtr &ePtr);
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/**
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* 查找结构
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* @param id
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*
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* @return EnumPtr
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*/
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EnumPtr findEnum(const string &sid);
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/**
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* 检查冲突
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* @param id
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*/
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void checkConflict(const string &sid);
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/**
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* 查找自定义类型
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* @param sid
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*
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* @return TypePtr
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*/
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TypePtr findUserType(const string &sid);
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/**
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* 查找名字空间
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* @param id
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*
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* @return NamespacePtr
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*/
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NamespacePtr findNamespace(const string &id);
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/**
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* 目前的名字空间
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*
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* @return NamespacePtr
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*/
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NamespacePtr currentNamespace();
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/**
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* 检查tag的合法性
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* @param i
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*/
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void checkTag(int i);
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/**
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* 检查szie的合法性
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* @param i
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*/
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void checkSize(int i);
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/**
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* 检查array的合法性
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* @param i
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*/
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void checkArrayVaid(TypePtr &tPtr,int size);
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/**
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* 检查pointer的合法性
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* @param i
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*/
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void checkPointerVaid(TypePtr &tPtr);
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/**
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* 检查常量类型和值是否一致
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* @param c
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* @param b
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*/
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void checkConstValue(TypeIdPtr &tPtr, int b);
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/**
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* 获取文件名
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* @param s
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*
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* @return string
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*/
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bool getFilePath(const string &s, string &file);
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void setKeyStruct(const StructPtr& key)
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{
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_key = key;
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}
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StructPtr getKeyStruct()
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{
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return _key;
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}
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/**
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* 打印文件开头注释
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*/
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string printHeaderRemark();
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/**
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* 判断当前的标识符是否是枚举变量
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*/
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bool checkEnum(const string &idName);
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/**
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* 设置include的tars文件全部从当前文件搜寻
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*/
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void setUseCurrentPath(bool bEnable) { _bUseCurrentPath = bEnable; }
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/**
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* 查找tars文件时,设置include路径
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*/
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void addIncludePath(const string &include)
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{
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vector<string> v = tars::TC_Common::sepstr<string>(include, "; ,", false);
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_vIncludePath.insert(_vIncludePath.end(), v.begin(), v.end());
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}
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/**
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*
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* @param fileName
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* @return
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*/
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string getFileName(const string &fileName);
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/**
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* replace ext
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* @param fileName
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* @param ext
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* @return
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*/
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string replaceFileName(const string &fileName, const string &ext);
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/**
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* get absolute filename
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* @param baseDir
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* @param fileName
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* @return
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*/
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string getAbsoluteFileName(const string &baseDir, const string &fileName);
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protected:
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/**
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* 添加名字空间
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* @param nPtr
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*/
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void addNamespacePtr(const NamespacePtr &nPtr);
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/**
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* 初始化
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*/
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void initScanner();
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/**
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* 清除
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*/
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void clear();
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protected:
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bool _bWithTars;
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std::map<std::string, int> _keywordMap;
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int _itab;
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StructPtr _key;
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std::stack<ContextPtr> _contexts;
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std::stack<ContainerPtr> _contains;
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std::vector<ContextPtr> _vcontexts;
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std::vector<StructPtr> _structs;
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std::vector<EnumPtr> _enums;
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std::vector<NamespacePtr> _namespaces;
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string _sHeader;
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bool _bUseCurrentPath;
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bool _bUseCurrentPathFirst;
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std::vector<string> _vIncludePath;
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};
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extern int yyparse();
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extern int yylex();
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extern FILE *yyin, *yyout;
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typedef tars::TC_AutoPtr<TarsParse> TarsParsePtr;
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extern TarsParsePtr g_parse;
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#endif
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