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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of PySide2.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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;
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