Long live qbs!

Change-Id: I412793e868919a9ac99611616f292e7047f1ebcf

1 files changed, 162 insertions, 0 deletions

diff --git a/src/plugins/scanner/cpp/Lexer.h b/src/plugins/scanner/cpp/Lexer.h
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef CPLUSPLUS_LEXER_H
+#define CPLUSPLUS_LEXER_H
+
+#include "CPlusPlusForwardDeclarations.h"
+#include "Token.h"
+
+
+namespace CPlusPlus {
+
+class CPLUSPLUS_EXPORT Lexer
+{
+    Lexer(const Lexer &other);
+    void operator =(const Lexer &other);
+
+public:
+    enum State {
+        State_Default,
+        State_MultiLineComment,
+        State_MultiLineDoxyComment
+    };
+
+    Lexer(const char *firstChar, const char *lastChar);
+    ~Lexer();
+
+    bool qtMocRunEnabled() const;
+    void setQtMocRunEnabled(bool onoff);
+
+    bool cxx0xEnabled() const;
+    void setCxxOxEnabled(bool onoff);
+
+    bool objCEnabled() const;
+    void setObjCEnabled(bool onoff);
+
+    void scan(Token *tok);
+
+    inline void operator()(Token *tok)
+    { scan(tok); }
+
+    unsigned tokenOffset() const;
+    unsigned tokenLength() const;
+    const char *tokenBegin() const;
+    const char *tokenEnd() const;
+    unsigned currentLine() const;
+
+    bool scanCommentTokens() const;
+    void setScanCommentTokens(bool onoff);
+
+    bool scanAngleStringLiteralTokens() const;
+    void setScanAngleStringLiteralTokens(bool onoff);
+
+    void setStartWithNewline(bool enabled);
+
+    int state() const;
+    void setState(int state);
+
+    bool isIncremental() const;
+    void setIncremental(bool isIncremental);
+
+private:
+    void scan_helper(Token *tok);
+    void setSource(const char *firstChar, const char *lastChar);
+    static int classify(const char *string, int length, bool q, bool cxx0x);
+    static int classifyObjCAtKeyword(const char *s, int n);
+    static int classifyOperator(const char *string, int length);
+
+    inline void yyinp()
+    {
+        if (++_currentChar == _lastChar)
+            _yychar = 0;
+        else {
+            _yychar = *_currentChar;
+            if (_yychar == '\n')
+                pushLineStartOffset();
+        }
+    }
+
+    void pushLineStartOffset();
+
+private:
+    struct Flags {
+        unsigned _isIncremental: 1;
+        unsigned _scanCommentTokens: 1;
+        unsigned _scanAngleStringLiteralTokens: 1;
+        unsigned _qtMocRunEnabled: 1;
+        unsigned _cxx0xEnabled: 1;
+        unsigned _objCEnabled: 1;
+    };
+
+    const char *_firstChar;
+    const char *_currentChar;
+    const char *_lastChar;
+    const char *_tokenStart;
+    unsigned char _yychar;
+    int _state;
+    union {
+        unsigned _flags;
+        Flags f;
+    };
+    unsigned _currentLine;
+};
+
+} // end of namespace CPlusPlus
+
+
+#endif // CPLUSPLUS_LEXER_H