text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtQml module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 3 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  ** packaging of this file. Please review the following information to
  ** ensure the GNU Lesser General Public License version 3 requirements
  ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 2.0 or (at your option) the GNU General
  ** Public license version 3 or any later version approved by the KDE Free
  ** Qt Foundation. The licenses are as published by the Free Software
  ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
  ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
  ** https://www.gnu.org/licenses/gpl-3.0.html.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QQMLJSENGINE_P_H
  #define QQMLJSENGINE_P_H
  
  //
  //  W A R N I N G
  //  -------------
  //
  // This file is not part of the Qt API.  It exists purely as an
  // implementation detail.  This header file may change from version to
  // version without notice, or even be removed.
  //
  // We mean it.
  //
  
  #include "qqmljsglobal_p.h"
  #include "qqmljsmemorypool_p.h"
  #include "qqmljssourcelocation_p.h"
  
  #include <QtCore/qstring.h>
  #include <QtCore/qset.h>
  
  QT_BEGIN_NAMESPACE
  
  namespace QQmlJS {
  
  class Lexer;
  class MemoryPool;
  
  class QML_PARSER_EXPORT Directives {
  public:
      virtual ~Directives() {}
  
      virtual void pragmaLibrary()
      {
      }
  
      virtual void importFile(const QString &jsfile, const QString &module, int line, int column)
      {
          Q_UNUSED(jsfile);
          Q_UNUSED(module);
          Q_UNUSED(line);
          Q_UNUSED(column);
      }
  
      virtual void importModule(const QString &uri, const QString &version, const QString &module, int line, int column)
      {
          Q_UNUSED(uri);
          Q_UNUSED(version);
          Q_UNUSED(module);
          Q_UNUSED(line);
          Q_UNUSED(column);
      }
  };
  
  
  class QML_PARSER_EXPORT DiagnosticMessage
  {
  public:
      enum Kind { Hint, Warning, Error };
  
      DiagnosticMessage() {}
  
      DiagnosticMessage(Kind kind, const AST::SourceLocation &loc, const QString &message)
          : kind(kind), loc(loc), message(message) {}
  
      bool isWarning() const
      { return kind == Warning; }
  
      bool isError() const
      { return kind == Error; }
  
      Kind kind = Error;
      AST::SourceLocation loc;
      QString message;
  };
  
  class QML_PARSER_EXPORT Engine
  {
      Lexer *_lexer;
      Directives *_directives;
      MemoryPool _pool;
      QList<AST::SourceLocation> _comments;
      QString _extraCode;
      QString _code;
  
  public:
      Engine();
      ~Engine();
  
      void setCode(const QString &code);
      const QString &code() const { return _code; }
  
      void addComment(int pos, int len, int line, int col);
      QList<AST::SourceLocation> comments() const;
  
      Lexer *lexer() const;
      void setLexer(Lexer *lexer);
  
      Directives *directives() const;
      void setDirectives(Directives *directives);
  
      MemoryPool *pool();
  
      inline QStringRef midRef(int position, int size) { return _code.midRef(position, size); }
  
      QStringRef newStringRef(const QString &s);
      QStringRef newStringRef(const QChar *chars, int size);
  };
  
  double integerFromString(const char *buf, int size, int radix);
  
  } // end of namespace QQmlJS
  
  QT_END_NAMESPACE
  
  #endif // QQMLJSENGINE_P_H
  