binutils/syslex.l

   1 %{
   2 #include "y.tab.h"
   3 char *word;
   4 int number;
   5 int unit;
   6
   7 #ifndef yywrap
   8 static int yywrap () { return 1; }
   9 #endif
  10 %}
  11 %%
  12 "(" { return '(';}
  13 ")" { return ')';}
  14 "[" { return '[';}
  15 "]" { return ']';}
  16 " " { ; }
  17 ";".* { ; }
  18 "\t" { ; }
  19 "\n" { ; }
  20 "\""[^\"]*"\"" {
  21 yylval.s = malloc(strlen (yytext));
  22 strcpy(yylval.s, yytext+1);
  23 yylval.s[strlen(yylval.s)-1] = 0;
  24         return NAME;
  25         }
  26
  27 0x[0-9a-f]+ {
  28         yylval.i = strtol(yytext,0,16);
  29         return  NUMBER;
  30         }
  31
  32 [0-9]+ {
  33         yylval.i = atoi(yytext);
  34         return  NUMBER;
  35         }
  36
  37
  38 "bits" { yylval.i =1 ;return UNIT;}
  39 "bit" { yylval.i = 1; return UNIT;}
  40 "bytes" { yylval.i= 8; return UNIT;}
  41 "byte" { yylval.i = 8; return UNIT;}
  42
  43 "int" { yylval.s = "INT"; return TYPE;}
  44 "barray" { yylval.s = "BARRAY"; return TYPE;}
  45 "chars" { yylval.s = "CHARS"; return TYPE;}
  46 "variable" { yylval.i = 0; return NUMBER;}
  47 "counted" { yylval.i = -4; return NUMBER;}
  48 "addrsize" { yylval.i = -2; return NUMBER; }
  49 "segsize" { yylval.i = -1; return NUMBER; }
  50 "cond" { return COND;}
  51 "repeat" { return REPEAT;}