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improved code generation for virtual functions to support overriding getter slots that are named as properties...
improved code generation for virtual functions to support overriding getter slots that are named as properties git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@240 ea8d5007-eb21-0410-b261-ccb3ea6e24a9
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pp-scanner.h
367 lines | 8.3 KiB | text/x-c | CLexer
/ generator / parser / rpp / pp-scanner.h
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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Script Generator project on Qt Labs.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PP_SCANNER_H
#define PP_SCANNER_H
namespace rpp {
struct pp_skip_blanks
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
if (*__first == '\\')
{
_InputIterator __begin = __first;
++__begin;
if (__begin != __last && *__begin == '\n')
++__first;
else
break;
}
else if (*__first == '\n' || !pp_isspace (*__first))
break;
}
return __first;
}
};
struct pp_skip_whitespaces
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
if (! pp_isspace (*__first))
break;
}
return __first;
}
};
struct pp_skip_comment_or_divop
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
enum {
MAYBE_BEGIN,
BEGIN,
MAYBE_END,
END,
IN_COMMENT,
IN_CXX_COMMENT
} state (MAYBE_BEGIN);
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
switch (state)
{
default:
assert (0);
break;
case MAYBE_BEGIN:
if (*__first != '/')
return __first;
state = BEGIN;
break;
case BEGIN:
if (*__first == '*')
state = IN_COMMENT;
else if (*__first == '/')
state = IN_CXX_COMMENT;
else
return __first;
break;
case IN_COMMENT:
if (*__first == '*')
state = MAYBE_END;
break;
case IN_CXX_COMMENT:
if (*__first == '\n')
return __first;
break;
case MAYBE_END:
if (*__first == '/')
state = END;
else if (*__first != '*')
state = IN_COMMENT;
break;
case END:
return __first;
}
}
return __first;
}
};
struct pp_skip_identifier
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
if (! pp_isalnum (*__first) && *__first != '_')
break;
}
return __first;
}
};
struct pp_skip_number
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
if (! pp_isalnum (*__first) && *__first != '.')
break;
}
return __first;
}
};
struct pp_skip_string_literal
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
enum {
BEGIN,
IN_STRING,
QUOTE,
END
} state (BEGIN);
lines = 0;
for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
switch (state)
{
default:
assert (0);
break;
case BEGIN:
if (*__first != '\"')
return __first;
state = IN_STRING;
break;
case IN_STRING:
assert (*__first != '\n');
if (*__first == '\"')
state = END;
else if (*__first == '\\')
state = QUOTE;
break;
case QUOTE:
state = IN_STRING;
break;
case END:
return __first;
}
}
return __first;
}
};
struct pp_skip_char_literal
{
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
enum {
BEGIN,
IN_STRING,
QUOTE,
END
} state (BEGIN);
lines = 0;
for (; state != END && __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
{
switch (state)
{
default:
assert (0);
break;
case BEGIN:
if (*__first != '\'')
return __first;
state = IN_STRING;
break;
case IN_STRING:
assert (*__first != '\n');
if (*__first == '\'')
state = END;
else if (*__first == '\\')
state = QUOTE;
break;
case QUOTE:
state = IN_STRING;
break;
}
}
return __first;
}
};
struct pp_skip_argument
{
pp_skip_identifier skip_number;
pp_skip_identifier skip_identifier;
pp_skip_string_literal skip_string_literal;
pp_skip_char_literal skip_char_literal;
pp_skip_comment_or_divop skip_comment_or_divop;
int lines;
template <typename _InputIterator>
_InputIterator operator () (_InputIterator __first, _InputIterator __last)
{
int depth = 0;
lines = 0;
while (__first != __last)
{
if (!depth && (*__first == ')' || *__first == ','))
break;
else if (*__first == '(')
++depth, ++__first;
else if (*__first == ')')
--depth, ++__first;
else if (*__first == '\"')
{
__first = skip_string_literal (__first, __last);
lines += skip_string_literal.lines;
}
else if (*__first == '\'')
{
__first = skip_char_literal (__first, __last);
lines += skip_char_literal.lines;
}
else if (*__first == '/')
{
__first = skip_comment_or_divop (__first, __last);
lines += skip_comment_or_divop.lines;
}
else if (pp_isalpha (*__first) || *__first == '_')
{
__first = skip_identifier (__first, __last);
lines += skip_identifier.lines;
}
else if (pp_isdigit (*__first))
{
__first = skip_number (__first, __last);
lines += skip_number.lines;
}
else if (*__first == '\n')
{
++__first;
++lines;
}
else
++__first;
}
return __first;
}
};
} // namespace rpp
#endif // PP_SCANNER_H
// kate: space-indent on; indent-width 2; replace-tabs on;