aliases_scan.l

   1 %{
   2
   3 #include <string.h>
   4 #include "aliases_parse.h"
   5
   6 int yylex(void);
   7 %}
   8
   9 %option yylineno
  10 %option nounput
  11
  12 %%
  13
  14 [^:,#[:space:][:cntrl:]]+       {yylval.ident = strdup(yytext); return T_IDENT;}
  15 [:,\n]                          return yytext[0];
  16 ^([[:blank:]]*(#.*)?\n)+        ;/* ignore empty lines */
  17 (\n?[[:blank:]]+|#.*)+          ;/* ignore whitespace and continuation */
  18 \\\n                            ;/* ignore continuation.  not allowed in comments */
  19 .                               return T_ERROR;
  20 <<EOF>>                         return T_EOF;
  21
  22 %%