gcc/stringpool.h

   1 /* Declarations and definitons for stringpool.c.
   2    Copyright (C) 2013-2017 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_STRINGPOOL_H
  21 #define GCC_STRINGPOOL_H
  22
  23 /* Return the (unique) IDENTIFIER_NODE node for a given name.
  24    The name is supplied as a char *.  */
  25 extern tree get_identifier (const char *);
  26
  27 /* If an identifier with the name TEXT (a null-terminated string) has
  28    previously been referred to, return that node; otherwise return
  29    NULL_TREE.  */
  30 extern tree maybe_get_identifier (const char *);
  31
  32 /* Identical to get_identifier, except that the length is assumed
  33    known.  */
  34 extern tree get_identifier_with_length (const char *, size_t);
  35
  36 #if GCC_VERSION >= 3000
  37 #define get_identifier(str) \
  38   (__builtin_constant_p (str)                           \
  39     ? get_identifier_with_length ((str), strlen (str))  \
  40     : get_identifier (str))
  41 #endif
  42
  43 #endif  // GCC_STRINGPOOL_H