control.h
135 lines
| 3.6 KiB
| text/x-c
|
CLexer
florianlink
|
r10 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. | ||||
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org> | ||||
** | ||||
** This file is part of the Qt Script Generator project on Trolltech Labs. | ||||
** | ||||
** This file may be used under the terms of the GNU General Public | ||||
** License version 2.0 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.trolltech.com/products/qt/opensource.html | ||||
** | ||||
** If you are unsure which license is appropriate for your use, please | ||||
** review the following information: | ||||
** http://www.trolltech.com/products/qt/licensing.html or contact the | ||||
** sales department at sales@trolltech.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; | ||||