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/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
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**
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** This file is part of the Qt Script Generator project on Trolltech Labs.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://www.trolltech.com/products/qt/opensource.html
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://www.trolltech.com/products/qt/licensing.html or contact the
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** sales department at sales@trolltech.com.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef CONTROL_H
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#define CONTROL_H
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#include "symbol.h"
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#include "smallobject.h"
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#include <QtCore/QHash>
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struct Declarator;
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struct Type;
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class Lexer;
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class Parser;
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struct Context
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{
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Context *parent;
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inline void bind(const NameSymbol *name, Type *type)
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{ symbol_table.insert(name, type); }
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inline Type *resolve(const NameSymbol *name) const
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{
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if (Type *type = symbol_table.value(name))
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return type;
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else if (parent)
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return parent->resolve(name);
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return 0;
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}
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typedef QHash<const NameSymbol*, Type*> symbol_table_t;
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symbol_table_t symbol_table;
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};
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class Control
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{
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public:
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class ErrorMessage
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{
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public:
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ErrorMessage ():
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_M_line (0),
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_M_column (0) {}
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inline int line () const { return _M_line; }
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inline void setLine (int line) { _M_line = line; }
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inline int column () const { return _M_column; }
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inline void setColumn (int column) { _M_column = column; }
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inline QString fileName () const { return _M_fileName; }
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inline void setFileName (const QString &fileName) { _M_fileName = fileName; }
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inline QString message () const { return _M_message; }
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inline void setMessage (const QString &message) { _M_message = message; }
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private:
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int _M_line;
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int _M_column;
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QString _M_fileName;
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QString _M_message;
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};
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Control();
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~Control();
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inline bool skipFunctionBody() const { return _M_skipFunctionBody; }
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inline void setSkipFunctionBody(bool skip) { _M_skipFunctionBody = skip; }
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Lexer *changeLexer(Lexer *lexer);
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Parser *changeParser(Parser *parser);
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Lexer *currentLexer() const { return _M_lexer; }
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Parser *currentParser() const { return _M_parser; }
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Context *current_context;
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inline Context *currentContext() const
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{ return current_context; }
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void pushContext();
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void popContext();
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Type *lookupType(const NameSymbol *name) const;
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void declare(const NameSymbol *name, Type *type);
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inline const NameSymbol *findOrInsertName(const char *data, size_t count)
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{ return name_table.findOrInsert(data, count); }
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void declareTypedef(const NameSymbol *name, Declarator *d);
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bool isTypedef(const NameSymbol *name) const;
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void reportError (const ErrorMessage &errmsg);
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QList<ErrorMessage> errorMessages () const;
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void clearErrorMessages ();
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private:
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NameTable name_table;
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QHash<const NameSymbol*, Declarator*> stl_typedef_table;
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bool _M_skipFunctionBody;
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Lexer *_M_lexer;
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Parser *_M_parser;
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QList<ErrorMessage> _M_error_messages;
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};
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#endif // CONTROL_H
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// kate: space-indent on; indent-width 2; replace-tabs on;
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