79 lines
1.6 KiB
C++
79 lines
1.6 KiB
C++
//
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// Created by Administrator on 2021/4/30.
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//
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#ifndef SYNTAXPARSER_SYNTAXPARSER_H
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#define SYNTAXPARSER_SYNTAXPARSER_H
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#include <queue>
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#include <stack>
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#include <regex>
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#include <codecvt>
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#include <GrammarResourcePool.h>
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#include <AnalyseTableGenerator.h>
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class SyntaxParser {
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// 文件输入
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std::wifstream input;
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std::wofstream output;
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const GrammarResourcePool *pool;
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const AnalyseTableGenerator *atg;
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std::queue<int> tokens_queue;
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std::stack<int> analyse_stack;
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std::stack<int> status_stack;
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std::vector<size_t> lines_index;
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std::wstringstream string_buffer;
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size_t now_line = 1;
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static std::vector<std::wstring> ws_split(const std::wstring& in, const std::wstring& delim);
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static std::pair<std::wstring, std::wstring> get_token_info(const std::wstring &token);
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public:
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SyntaxParser(const GrammarResourcePool *pool, const AnalyseTableGenerator *atg):
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input("tokenOut.txt", std::ios::binary),
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pool(pool),
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atg(atg),
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output("SyntaxOut.txt", std::ios::binary){
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auto* codeCvtToUTF8= new std::codecvt_utf8<wchar_t>;
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input.imbue(std::locale(input.getloc(), codeCvtToUTF8));
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output.imbue(std::locale(output.getloc(), codeCvtToUTF8));
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}
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~SyntaxParser() {
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output.close();
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}
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// 得到所有的产生式
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void getToken();
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void printSymbol(int symbol_index);
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void printProduction(const Production *p_pdt);
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// 自底向上语法分析
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void parse();
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void printError();
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void printDone();
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};
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#endif //SYNTAXPARSER_SYNTAXPARSER_H
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