sdcc/src/SDCCattr.c

   1 /*-------------------------------------------------------------------------
   2   SDCCattr.h - Code file for attributes.
   3
   4   Copyright (c) 2021 Philipp Klaus Krause pkk@spth.de
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the
   8   Free Software Foundation; either version 2, or (at your option) any
   9   later version.
  10
  11   This program is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with this program; if not, write to the Free Software
  18   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19 -------------------------------------------------------------------------*/
  20
  21 #include "SDCCattr.h"
  22 #include "SDCCsymt.h"
  23 #include "SDCCutil.h"
  24 #include "newalloc.h"
  25
  26 attribute *newAttribute(const symbol *token_sym, const char *argument_clause)
  27 {
  28   const char *token_string, *token_string_prefix;
  29
  30   attribute *attr = Safe_alloc (sizeof (attribute));
  31
  32   attr->next = 0;
  33
  34   wassert (token_sym);
  35
  36   if(token_sym->next)
  37     {
  38       token_string = token_sym->next->name;
  39       token_string_prefix = token_sym->name;
  40     }
  41   else
  42     {
  43       token_string = token_sym->name;
  44       token_string_prefix = 0;
  45     }
  46
  47   wassert(token_string);
  48   strncpyz (attr->token_string, token_string, sizeof (attr->token_string));
  49
  50   if (!token_string_prefix)
  51     {
  52       if(!strcmp(token_string, "nodiscard") || !strcmp(token_string, "__nodiscard__"))
  53         attr->token = ATTRIBUTE_NODISCARD;
  54       else if(!strcmp(token_string, "maybe_unused") || !strcmp(token_string, "__maybe_unused__"))
  55         attr->token = ATTRIBUTE_MAYBE_UNUSED;
  56       else if(!strcmp(token_string, "deprecated") || !strcmp(token_string, "__deprecated__"))
  57         attr->token = ATTRIBUTE_DEPRECATED;
  58       else if(!strcmp(token_string, "fallthrough") || !strcmp(token_string, "__fallthrough__"))
  59         attr->token = ATTRIBUTE_FALLTHROUGH;
  60       else // Unknown standard attribute
  61         attr->token = ATTRIBUTE_OTHER;
  62     }
  63   else if(!strcmp(token_string_prefix, "sdcc")) // SDCC implementation-specific attribute
  64     {
  65       attr->token = ATTRIBUTE_OTHER;
  66     }
  67   else // Unknown-implementation implementation-specific unknown attribute.
  68     attr->token = ATTRIBUTE_OTHER;
  69
  70   return attr;
  71 }
  72