1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the tools applications of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef PREPROCESSOR_H

    43 #define PREPROCESSOR_H

    44 

    45 #include "parser.h"

    46 #include <QList>

    47 #include <QSet>

    48 #include <stdio.h>

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 struct Macro

    53 {

    54     Symbols symbols;

    55 };

    56 

    57 #ifdef USE_LEXEM_STORE

    58 typedef QByteArray MacroName;

    59 #else

    60 typedef SubArray MacroName;

    61 #endif

    62 typedef QHash<MacroName, Macro> Macros;

    63 typedef QVector<MacroName> MacroSafeSet;

    64 

    65 

    66 class Preprocessor : public Parser

    67 {

    68 public:

    69     Preprocessor(){}

    70     static bool preprocessOnly;

    71     struct IncludePath

    72     {

    73         inline explicit IncludePath(const QByteArray &_path)

    74             : path(_path), isFrameworkPath(false) {}

    75         QByteArray path;

    76         bool isFrameworkPath;

    77     };

    78     QList<IncludePath> includes;

    79     QList<QByteArray> frameworks;

    80     QSet<QByteArray> preprocessedIncludes;

    81     Macros macros;

    82     Symbols preprocessed(const QByteArray &filename, FILE *file);

    83 

    84 

    85     void skipUntilEndif();

    86     bool skipBranch();

    87 

    88     void substituteMacro(const MacroName &macro, Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());

    89     void substituteUntilNewline(Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());

    90 

    91     int evaluateCondition();

    92 

    93 

    94 private:

    95     void until(Token);

    96 

    97     void preprocess(const QByteArray &filename, Symbols &preprocessed);

    98 };

    99 

   100 QT_END_NAMESPACE

   101 

   102 #endif // PREPROCESSOR_H