forked from qt-creator/qt-creator
move src/shared/cplusplus/ -> src/libs/3rdparty/cplusplus/
Approved-by: legal
This commit is contained in:
165
src/libs/3rdparty/cplusplus/Lexer.h
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165
src/libs/3rdparty/cplusplus/Lexer.h
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef CPLUSPLUS_LEXER_H
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#define CPLUSPLUS_LEXER_H
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#include "CPlusPlusForwardDeclarations.h"
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#include "Token.h"
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namespace CPlusPlus {
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class CPLUSPLUS_EXPORT Lexer
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{
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Lexer(const Lexer &other);
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void operator =(const Lexer &other);
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public:
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enum State {
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State_Default,
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State_MultiLineComment,
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State_MultiLineDoxyComment
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};
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Lexer(TranslationUnit *unit);
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Lexer(const char *firstChar, const char *lastChar);
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~Lexer();
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Control *control() const;
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TranslationUnit *translationUnit() const;
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bool qtMocRunEnabled() const;
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void setQtMocRunEnabled(bool onoff);
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bool cxx0xEnabled() const;
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void setCxxOxEnabled(bool onoff);
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bool objCEnabled() const;
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void setObjCEnabled(bool onoff);
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void scan(Token *tok);
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inline void operator()(Token *tok)
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{ scan(tok); }
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unsigned tokenOffset() const;
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unsigned tokenLength() const;
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const char *tokenBegin() const;
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const char *tokenEnd() const;
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unsigned currentLine() const;
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bool scanCommentTokens() const;
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void setScanCommentTokens(bool onoff);
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bool scanKeywords() const;
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void setScanKeywords(bool onoff);
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bool scanAngleStringLiteralTokens() const;
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void setScanAngleStringLiteralTokens(bool onoff);
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void setStartWithNewline(bool enabled);
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int state() const;
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void setState(int state);
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bool isIncremental() const;
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void setIncremental(bool isIncremental);
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private:
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void scan_helper(Token *tok);
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void setSource(const char *firstChar, const char *lastChar);
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static int classify(const char *string, int length, bool q, bool cxx0x);
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static int classifyObjCAtKeyword(const char *s, int n);
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static int classifyOperator(const char *string, int length);
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inline void yyinp()
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{
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if (++_currentChar == _lastChar)
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_yychar = 0;
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else {
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_yychar = *_currentChar;
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if (_yychar == '\n')
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pushLineStartOffset();
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}
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}
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void pushLineStartOffset();
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private:
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struct Flags {
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unsigned _isIncremental: 1;
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unsigned _scanCommentTokens: 1;
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unsigned _scanKeywords: 1;
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unsigned _scanAngleStringLiteralTokens: 1;
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unsigned _qtMocRunEnabled: 1;
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unsigned _cxx0xEnabled: 1;
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unsigned _objCEnabled: 1;
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};
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TranslationUnit *_translationUnit;
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const char *_firstChar;
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const char *_currentChar;
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const char *_lastChar;
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const char *_tokenStart;
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unsigned char _yychar;
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int _state;
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union {
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unsigned _flags;
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Flags f;
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};
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unsigned _currentLine;
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};
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} // namespace CPlusPlus
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#endif // CPLUSPLUS_LEXER_H
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