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Diffstat (limited to 'src/declarative/qml/rewriter/rewriter_p.h')
-rw-r--r-- | src/declarative/qml/rewriter/rewriter_p.h | 112 |
1 files changed, 112 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..892c006 --- /dev/null +++ b/src/declarative/qml/rewriter/rewriter_p.h @@ -0,0 +1,112 @@ +#ifndef REWRITER_H +#define REWRITER_H + +#include <QtCore/QList> +#include <QtCore/QString> + +#include "textwriter_p.h" +#include "javascriptastvisitor_p.h" + +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +namespace JavaScript { + +//////////////////////////////////////////////////////////////////////////////// +// 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 + // + void replace(int offset, int length, const QString &text); + 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 JavaScript + +QT_END_NAMESPACE +QT_END_HEADER + +#endif // REWRITER_H |