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

     2 **

     3 ** Copyright (C) 2010 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 QtDeclarative module 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 QDECLARATIVEJSENGINE_P_H

    43 #define QDECLARATIVEJSENGINE_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "private/qdeclarativejsglobal_p.h"

    57 #include "private/qdeclarativejsastfwd_p.h"

    58 

    59 #include <QString>

    60 #include <QSet>

    61 

    62 QT_QML_BEGIN_NAMESPACE

    63 

    64 namespace QDeclarativeJS {

    65 class QML_PARSER_EXPORT NameId

    66 {

    67     QString _text;

    68 

    69 public:

    70     NameId(const QChar *u, int s)

    71         : _text(u, s)

    72     { }

    73 

    74     const QString asString() const

    75     { return _text; }

    76 

    77     bool operator == (const NameId &other) const

    78     { return _text == other._text; }

    79 

    80     bool operator != (const NameId &other) const

    81     { return _text != other._text; }

    82 

    83     bool operator < (const NameId &other) const

    84     { return _text < other._text; }

    85 };

    86 

    87 uint qHash(const QDeclarativeJS::NameId &id);

    88 

    89 } // end of namespace QDeclarativeJS

    90 

    91 #if defined(Q_CC_MSVC) && _MSC_VER <= 1300

    92 //this ensures that code outside QDeclarativeJS can use the hash function

    93 //it also a workaround for some compilers

    94 inline uint qHash(const QDeclarativeJS::NameId &nameId) { return QDeclarativeJS::qHash(nameId); }

    95 #endif

    96 

    97 namespace QDeclarativeJS {

    98 

    99 class Lexer;

   100 class NodePool;

   101 

   102 namespace Ecma {

   103 

   104 class QML_PARSER_EXPORT RegExp

   105 {

   106 public:

   107     enum RegExpFlag {

   108         Global     = 0x01,

   109         IgnoreCase = 0x02,

   110         Multiline  = 0x04

   111     };

   112 

   113 public:

   114     static int flagFromChar(const QChar &);

   115     static QString flagsToString(int flags);

   116 };

   117 

   118 } // end of namespace Ecma

   119 

   120 class QML_PARSER_EXPORT DiagnosticMessage

   121 {

   122 public:

   123     enum Kind { Warning, Error };

   124 

   125     DiagnosticMessage()

   126         : kind(Error) {}

   127 

   128     DiagnosticMessage(Kind kind, const AST::SourceLocation &loc, const QString &message)

   129         : kind(kind), loc(loc), message(message) {}

   130 

   131     bool isWarning() const

   132     { return kind == Warning; }

   133 

   134     bool isError() const

   135     { return kind == Error; }

   136 

   137     Kind kind;

   138     AST::SourceLocation loc;

   139     QString message;

   140 };

   141 

   142 class QML_PARSER_EXPORT Engine

   143 {

   144     Lexer *_lexer;

   145     NodePool *_nodePool;

   146     QSet<NameId> _literals;

   147     QList<QDeclarativeJS::AST::SourceLocation> _comments;

   148 

   149 public:

   150     Engine();

   151     ~Engine();

   152 

   153     QSet<NameId> literals() const;

   154 

   155     void addComment(int pos, int len, int line, int col);

   156     QList<QDeclarativeJS::AST::SourceLocation> comments() const;

   157 

   158     NameId *intern(const QChar *u, int s);

   159 

   160     static QString toString(NameId *id);

   161 

   162     Lexer *lexer() const;

   163     void setLexer(Lexer *lexer);

   164 

   165     NodePool *nodePool() const;

   166     void setNodePool(NodePool *nodePool);

   167 };

   168 

   169 } // end of namespace QDeclarativeJS

   170 

   171 QT_QML_END_NAMESPACE

   172 

   173 #endif // QDECLARATIVEJSENGINE_P_H