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Diffstat (limited to 'src/declarative/qml/rewriter/rewriter_p.h')
| -rw-r--r-- | src/declarative/qml/rewriter/rewriter_p.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/declarative/qml/rewriter/rewriter_p.h b/src/declarative/qml/rewriter/rewriter_p.h new file mode 100644 index 0000000..57e7ea2 --- /dev/null +++ b/src/declarative/qml/rewriter/rewriter_p.h @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef REWRITER_H +#define REWRITER_H + +#include "textwriter_p.h" + +#include <qmljsastvisitor_p.h> + +#include <QtCore/QList> +#include <QtCore/QString> + +QT_BEGIN_HEADER +QT_QML_BEGIN_NAMESPACE + +namespace QmlJS { + +//////////////////////////////////////////////////////////////////////////////// +// Replacement +//////////////////////////////////////////////////////////////////////////////// +class Replacement +{ + int _offset; + int _length; + QString _text; + +public: + Replacement(int offset = 0, int length = 0, const QString &text = QString()) + : _offset(offset), _length(length), _text(text) + { } + + bool isNull() const { return _offset == _length; } + operator bool() const { return ! isNull(); } + + int offset() const { return _offset; } + int length() const { return _length; } + QString text() const { return _text; } +}; + + + +//////////////////////////////////////////////////////////////////////////////// +// Rewriter +//////////////////////////////////////////////////////////////////////////////// +class Rewriter: public AST::Visitor +{ +protected: + TextWriter textWriter; +public: + // + // Token based API + // + + /// Returns the text of the token at the given \a location. + QString textAt(const AST::SourceLocation &location) const; + + QString textAt(const AST::SourceLocation &firstLoc, + const AST::SourceLocation &lastLoc) const; + + /// Replace the token at \a loc with the given \a text. + void replace(const AST::SourceLocation &loc, const QString &text); + + /// Remove the token at the given \a location. + void remove(const AST::SourceLocation &location); + + /// Remove all tokens in the range [\a firstLoc, \a lastLoc]. + void remove(const AST::SourceLocation &firstLoc, const AST::SourceLocation &lastLoc); + + /// Insert \a text before the token at the given \a location. + void insertTextBefore(const AST::SourceLocation &location, const QString &text); + + /// Insert \a text after the token at the given \a location. + void insertTextAfter(const AST::SourceLocation &loc, const QString &text); + + void moveTextBefore(const AST::SourceLocation &firstLoc, + const AST::SourceLocation &lastLoc, + const AST::SourceLocation &loc); + + void moveTextAfter(const AST::SourceLocation &firstLoc, + const AST::SourceLocation &lastLoc, + const AST::SourceLocation &loc); + + // + // low-level offset based API + // + virtual void replace(int offset, int length, const QString &text); + virtual void move(int pos, int length, int to); + void insertText(int offset, const QString &text); + void removeText(int offset, int length); + + /// Visit the given \a node. + void accept(AST::Node *node); + + /// Returns the original unchanged source code. + QString code() const { return _code; } + + /// Returns the list of replacements. + QList<Replacement> replacementList() const { return _replacementList; } + +protected: + /// \internal + void setCode(const QString &code) { _code = code; } + +private: + QString _code; + QList<Replacement> _replacementList; +}; + +} // end of namespace QmlJS + +QT_QML_END_NAMESPACE +QT_END_HEADER + +#endif // REWRITER_H |