1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: http://www.qt-project.org/
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
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18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #ifndef QDECLARATIVEREWRITE_P_H
43 #define QDECLARATIVEREWRITE_P_H
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.
56 #include "rewriter/textwriter_p.h"
57 #include "parser/qdeclarativejslexer_p.h"
58 #include "parser/qdeclarativejsparser_p.h"
59 #include "parser/qdeclarativejsmemorypool_p.h"
63 namespace QDeclarativeRewrite {
64 using namespace QDeclarativeJS;
66 class SharedBindingTester : protected AST::Visitor
70 bool isSharable(const QString &code);
71 bool isSharable(AST::Node *Node);
73 virtual bool visit(AST::FunctionDeclaration *) { _sharable = false; return false; }
74 virtual bool visit(AST::FunctionExpression *) { _sharable = false; return false; }
75 virtual bool visit(AST::CallExpression *) { _sharable = false; return false; }
78 class RewriteBinding: protected AST::Visitor
85 QString operator()(const QString &code, bool *ok = 0, bool *sharable = 0);
86 QString operator()(QDeclarativeJS::AST::Node *node, const QString &code, bool *sharable = 0);
88 //name of the function: used for the debugger
89 void setName(const QString &name) { _name = name; }
92 using AST::Visitor::visit;
94 void accept(AST::Node *node);
95 QString rewrite(QString code, unsigned position, AST::Statement *node);
96 void rewriteCaseStatements(AST::StatementList *statements, bool rewriteTheLastStatement);
98 virtual bool visit(AST::Block *ast);
99 virtual bool visit(AST::ExpressionStatement *ast);
101 virtual bool visit(AST::DoWhileStatement *ast);
102 virtual void endVisit(AST::DoWhileStatement *ast);
104 virtual bool visit(AST::WhileStatement *ast);
105 virtual void endVisit(AST::WhileStatement *ast);
107 virtual bool visit(AST::ForStatement *ast);
108 virtual void endVisit(AST::ForStatement *ast);
110 virtual bool visit(AST::LocalForStatement *ast);
111 virtual void endVisit(AST::LocalForStatement *ast);
113 virtual bool visit(AST::ForEachStatement *ast);
114 virtual void endVisit(AST::ForEachStatement *ast);
116 virtual bool visit(AST::LocalForEachStatement *ast);
117 virtual void endVisit(AST::LocalForEachStatement *ast);
119 virtual bool visit(AST::CaseBlock *ast);
125 class RewriteSignalHandler
128 QString operator()(const QString &code, const QString &name);
131 } // namespace QDeclarativeRewrite
135 #endif // QDECLARATIVEREWRITE_P_H