118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef CPPTOKENIZER_H
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#define CPPTOKENIZER_H
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#include <QObject>
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#include "parserutils.h"
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class CppTokenizer
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{
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enum class TokenType {
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Normal,
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LeftBrace,
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RightBrace,
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LeftParenthesis,
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RightParenthesis,
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LeftBracket,
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RightBracket,
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Assignment,
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LambdaCaptures
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};
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public:
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struct Token {
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QString text;
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int line;
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int matchIndex;
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};
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using PToken = std::shared_ptr<Token>;
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using TokenList = QVector<PToken>;
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explicit CppTokenizer();
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void clear();
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void tokenize(const QStringList& buffer);
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void dumpTokens(const QString& fileName);
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const TokenList& tokens();
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PToken operator[](int i);
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int tokenCount();
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bool isIdentChar(const QChar& ch);
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int lambdasCount() const;
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int indexOfFirstLambda() const;
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void removeFirstLambda();
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private:
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void addToken(const QString& sText, int iLine, TokenType tokenType);
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void advance();
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void countLines();
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PToken getToken(int index);
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QString getForInit();
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QString getNextToken(
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TokenType *pTokenType);
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QString getNumber();
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QString getPreprocessor();
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QString getWord(
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bool bSkipParenthesis);
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bool isArguments();
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bool isForInit();
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bool isNumber();
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bool isPreprocessor();
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bool isWord();
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void simplify(QString& output);
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void simplifyArgs(QString& output);
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void skipAssignment();
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void skipDoubleQuotes();
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void skipPair(const QChar& cStart, const QChar cEnd);
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void skipParenthesis();
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bool skipAngleBracketPair();
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void skipRawString();
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void skipSingleQuote();
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void skipSplitLine();
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void skipTemplateArgs();
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void skipToEOL();
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void skipToNextToken();
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bool openFile(const QString& fileName);
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bool isLetterChar(const QChar& ch);
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bool isHexChar(const QChar& ch);
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bool isDigitChar(const QChar& ch);
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bool isSpaceChar(const QChar& ch);
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bool isLineChar(const QChar& ch);
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bool isBlankChar(const QChar& ch);
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bool isOperatorChar(const QChar& ch);
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bool currentWordEquals(QChar* wordStart, QChar *wordEnd, const QString& text);
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private:
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QStringList mBuffer;
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QString mBufferStr;
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QChar* mStart;
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QChar* mCurrent;
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QChar* mLineCount;
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int mCurrentLine;
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QString mLastToken;
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TokenList mTokenList;
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QList<int> mLambdas;
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QVector<int> mUnmatchedBraces; // stack of indices for unmatched '{'
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QVector<int> mUnmatchedBrackets; // stack of indices for unmatched '['
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QVector<int> mUnmatchedParenthesis;// stack of indices for unmatched '('
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};
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using PCppTokenizer = std::shared_ptr<CppTokenizer>;
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#endif // CPPTOKENIZER_H
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