1  /* Declarations and definitons for stringpool.cc.
       2     Copyright (C) 2013-2023 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