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changed so that paths are ignored when they startWith() an ignore path instead of matching the ignore path...
changed so that paths are ignored when they startWith() an ignore path instead of matching the ignore path git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@76 ea8d5007-eb21-0410-b261-ccb3ea6e24a9
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pp-scanner.h
340 lines | 7.3 KiB | text/x-c | CLexer
/ generator / parser / rpp / pp-scanner.h
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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
** Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of $PRODUCT$.
**
** $CPP_LICENSE$
**
** 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 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;