pp-symbol.h
74 lines
| 1.9 KiB
| text/x-c
|
CLexer
florianlink
|
r10 | /**************************************************************************** | ||
** | ||||
** 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_SYMBOL_H | ||||
#define PP_SYMBOL_H | ||||
namespace rpp { | ||||
class pp_symbol | ||||
{ | ||||
static rxx_allocator<char> &allocator_instance () | ||||
{ | ||||
static rxx_allocator<char>__allocator; | ||||
return __allocator; | ||||
} | ||||
public: | ||||
static int &N() | ||||
{ | ||||
static int __N; | ||||
return __N; | ||||
} | ||||
static pp_fast_string const *get (char const *__data, std::size_t __size) | ||||
{ | ||||
++N(); | ||||
char *data = allocator_instance ().allocate (__size + 1); | ||||
memcpy(data, __data, __size); | ||||
data[__size] = '\0'; | ||||
char *where = allocator_instance ().allocate (sizeof (pp_fast_string)); | ||||
return new (where) pp_fast_string (data, __size); | ||||
} | ||||
template <typename _InputIterator> | ||||
static pp_fast_string const *get (_InputIterator __first, _InputIterator __last) | ||||
{ | ||||
++N(); | ||||
std::ptrdiff_t __size; | ||||
#if defined(__SUNPRO_CC) | ||||
std::distance (__first, __last, __size); | ||||
#else | ||||
__size = std::distance (__first, __last); | ||||
#endif | ||||
assert (__size >= 0 && __size < 512); | ||||
char *data = allocator_instance ().allocate (__size + 1); | ||||
std::copy (__first, __last, data); | ||||
data[__size] = '\0'; | ||||
char *where = allocator_instance ().allocate (sizeof (pp_fast_string)); | ||||
return new (where) pp_fast_string (data, __size); | ||||
} | ||||
static pp_fast_string const *get(std::string const &__s) | ||||
{ return get (__s.c_str (), __s.size ()); } | ||||
}; | ||||
} // namespace rpp | ||||
#endif // PP_SYMBOL_H | ||||
// kate: space-indent on; indent-width 2; replace-tabs on; | ||||