binutils/syslex.l

   1 %option noinput nounput
   2
   3 %{
   4 /* Copyright (C) 2001-2016 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Binutils.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3, or (at your option)
  11    any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GLD; see the file COPYING.  If not, write to the Free
  20    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  21    02110-1301, USA.  */
  22
  23 /* Note: config.h is #included via syslex_wrap.c.  */
  24
  25 #ifdef HAVE_STRING_H
  26 #include <string.h>
  27 #else
  28 #ifdef HAVE_STRINGS_H
  29 #include <strings.h>
  30 #endif
  31 #endif
  32
  33 #include "sysinfo.h"
  34
  35 #ifndef YY_NO_UNPUT
  36 #define YY_NO_UNPUT
  37 #endif
  38
  39 #ifndef yywrap
  40 static int yywrap (void) { return 1; }
  41 #endif
  42
  43 extern int yylex (void);
  44 %}
  45 %%
  46 "(" { return '(';}
  47 ")" { return ')';}
  48 "[" { return '[';}
  49 "]" { return ']';}
  50 " " { ; }
  51 ";".* { ; }
  52 "\t" { ; }
  53 "\n" { ; }
  54 "\""[^\"]*"\"" {
  55         yylval.s = malloc (yyleng - 1);
  56         memcpy (yylval.s, yytext + 1, yyleng - 2);
  57         yylval.s[yyleng - 2] = '\0';
  58         return NAME;
  59         }
  60
  61 0x[0-9a-f]+ {
  62         yylval.i = strtol(yytext,0,16);
  63         return  NUMBER;
  64         }
  65
  66 [0-9]+ {
  67         yylval.i = atoi(yytext);
  68         return  NUMBER;
  69         }
  70
  71
  72 "bits" { yylval.i =1 ;return UNIT;}
  73 "bit" { yylval.i = 1; return UNIT;}
  74 "bytes" { yylval.i= 8; return UNIT;}
  75 "byte" { yylval.i = 8; return UNIT;}
  76
  77 "int" { yylval.s = "INT"; return TYPE;}
  78 "barray" { yylval.s = "BARRAY"; return TYPE;}
  79 "chars" { yylval.s = "CHARS"; return TYPE;}
  80 "variable" { yylval.i = 0; return NUMBER;}
  81 "counted" { yylval.i = -4; return NUMBER;}
  82 "addrsize" { yylval.i = -2; return NUMBER; }
  83 "segsize" { yylval.i = -1; return NUMBER; }
  84 "cond" { return COND;}
  85 "repeat" { return REPEAT;}