Mercurial > projects > qtd
diff generator/parser/control.h @ 1:e78566595089
initial import
author | mandel |
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date | Mon, 11 May 2009 16:01:50 +0000 |
parents | |
children | 09a0f1d048f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/generator/parser/control.h Mon May 11 16:01:50 2009 +0000 @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Nokia. All rights reserved. +** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org> +** +** This file is part of Qt Jambi. +** +** * Commercial Usage +* Licensees holding valid Qt Commercial licenses may use this file in +* accordance with the Qt Commercial License Agreement provided with the +* Software or, alternatively, in accordance with the terms contained in +* a written agreement between you and Nokia. +* +* +* GNU General Public License Usage +* Alternatively, this file may be used under the terms of the GNU +* General Public License versions 2.0 or 3.0 as published by the Free +* Software Foundation and appearing in the file LICENSE.GPL included in +* the packaging of this file. Please review the following information +* to ensure GNU General Public Licensing requirements will be met: +* http://www.fsf.org/licensing/licenses/info/GPLv2.html and +* http://www.gnu.org/copyleft/gpl.html. In addition, as a special +* exception, Nokia gives you certain additional rights. These rights +* are described in the Nokia Qt GPL Exception version 1.2, included in +* the file GPL_EXCEPTION.txt in this package. +* +* Qt for Windows(R) Licensees +* As a special exception, Nokia, as the sole copyright holder for Qt +* Designer, grants users of the Qt/Eclipse Integration plug-in the +* right for the Qt/Eclipse Integration to link to functionality +* provided by Qt Designer and its related libraries. +* +* +* If you are unsure which license is appropriate for your use, please +* contact the sales department at qt-sales@nokia.com. + +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +****************************************************************************/ + + +#ifndef CONTROL_H +#define CONTROL_H + +#include "symbol.h" +#include "smallobject.h" + +#include <QtCore/QHash> + +struct Declarator; +struct Type; +class Lexer; +class Parser; + +struct Context +{ + Context *parent; + + inline void bind(const NameSymbol *name, Type *type) + { symbol_table.insert(name, type); } + + inline Type *resolve(const NameSymbol *name) const + { + if (Type *type = symbol_table.value(name)) + return type; + else if (parent) + return parent->resolve(name); + + return 0; + } + + typedef QHash<const NameSymbol*, Type*> symbol_table_t; + + symbol_table_t symbol_table; +}; + +class Control +{ +public: + class ErrorMessage + { + public: + ErrorMessage (): + _M_line (0), + _M_column (0) {} + + inline int line () const { return _M_line; } + inline void setLine (int line) { _M_line = line; } + + inline int column () const { return _M_column; } + inline void setColumn (int column) { _M_column = column; } + + inline QString fileName () const { return _M_fileName; } + inline void setFileName (const QString &fileName) { _M_fileName = fileName; } + + inline QString message () const { return _M_message; } + inline void setMessage (const QString &message) { _M_message = message; } + + private: + int _M_line; + int _M_column; + QString _M_fileName; + QString _M_message; + }; + + Control(); + ~Control(); + + inline bool skipFunctionBody() const { return _M_skipFunctionBody; } + inline void setSkipFunctionBody(bool skip) { _M_skipFunctionBody = skip; } + + Lexer *changeLexer(Lexer *lexer); + Parser *changeParser(Parser *parser); + + Lexer *currentLexer() const { return _M_lexer; } + Parser *currentParser() const { return _M_parser; } + + Context *current_context; + + inline Context *currentContext() const + { return current_context; } + + void pushContext(); + void popContext(); + + Type *lookupType(const NameSymbol *name) const; + void declare(const NameSymbol *name, Type *type); + + inline const NameSymbol *findOrInsertName(const char *data, size_t count) + { return name_table.findOrInsert(data, count); } + + void declareTypedef(const NameSymbol *name, Declarator *d); + bool isTypedef(const NameSymbol *name) const; + + void reportError (const ErrorMessage &errmsg); + QList<ErrorMessage> errorMessages () const; + void clearErrorMessages (); + +private: + NameTable name_table; + QHash<const NameSymbol*, Declarator*> stl_typedef_table; + bool _M_skipFunctionBody; + Lexer *_M_lexer; + Parser *_M_parser; + + QList<ErrorMessage> _M_error_messages; +}; + +#endif // CONTROL_H + +// kate: space-indent on; indent-width 2; replace-tabs on;