binutils/syslex.l

   1 %{
   2 /* Copyright 2001, 2003, 2005, 2007 Free Software Foundation, Inc.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any 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 GLD; see the file COPYING.  If not, write to the Free
  18    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 #include "config.h"
  22 #ifdef HAVE_STRING_H
  23 #include <string.h>
  24 #else
  25 #ifdef HAVE_STRINGS_H
  26 #include <strings.h>
  27 #endif
  28 #endif
  29 #include "sysinfo.h"
  30
  31 #define YY_NO_UNPUT
  32
  33 #ifndef yywrap
  34 static int yywrap (void) { return 1; }
  35 #endif
  36
  37 extern int yylex (void);
  38 %}
  39 %%
  40 "(" { return '(';}
  41 ")" { return ')';}
  42 "[" { return '[';}
  43 "]" { return ']';}
  44 " " { ; }
  45 ";".* { ; }
  46 "\t" { ; }
  47 "\n" { ; }
  48 "\""[^\"]*"\"" {
  49         yylval.s = malloc (yyleng - 1);
  50         memcpy (yylval.s, yytext + 1, yyleng - 2);
  51         yylval.s[yyleng - 2] = '\0';
  52         return NAME;
  53         }
  54
  55 0x[0-9a-f]+ {
  56         yylval.i = strtol(yytext,0,16);
  57         return  NUMBER;
  58         }
  59
  60 [0-9]+ {
  61         yylval.i = atoi(yytext);
  62         return  NUMBER;
  63         }
  64
  65
  66 "bits" { yylval.i =1 ;return UNIT;}
  67 "bit" { yylval.i = 1; return UNIT;}
  68 "bytes" { yylval.i= 8; return UNIT;}
  69 "byte" { yylval.i = 8; return UNIT;}
  70
  71 "int" { yylval.s = "INT"; return TYPE;}
  72 "barray" { yylval.s = "BARRAY"; return TYPE;}
  73 "chars" { yylval.s = "CHARS"; return TYPE;}
  74 "variable" { yylval.i = 0; return NUMBER;}
  75 "counted" { yylval.i = -4; return NUMBER;}
  76 "addrsize" { yylval.i = -2; return NUMBER; }
  77 "segsize" { yylval.i = -1; return NUMBER; }
  78 "cond" { return COND;}
  79 "repeat" { return REPEAT;}