src/parser.lex

   1 WHITE_SPACE [\ \t\b]
   2 ALNUM [A-Za-z0-9_]
   3 QUOTED_STRING \"([^\"]+|\\.)*\"
   4 UNQUOTED_STRING {ALNUM}+
   5 HEX_NUMBER 0[xX][0-9a-fA-F]+
   6 OCT_NUMBER 0[0-7]+
   7 DEC_NUMBER [\+\-]?[0-9]+
   8 FLOAT_NUMBER [\+\-]?[0-9]*\.[0-9]+([eE][\+\-][0-9]+)?
   9 NUMBER ({FLOAT_NUMBER}|{HEX_NUMBER}|{OCT_NUMBER}|{DEC_NUMBER})
  10 BOOL_TRUE (true|yes|on)
  11 BOOL_FALSE (false|no|off)
  12 COMMENT #.*
  13
  14 %%
  15 {WHITE_SPACE}   |
  16 {COMMENT}       {/* nothing */}
  17
  18 \n                      {return (EOL);}
  19 "/"                     {return (SLASH);}
  20 "<"                     {return (OPENBRAC);}
  21 ">"                     {return (CLOSEBRAC);}
  22 {NUMBER}                {yylval.number = strtod (yytext, NULL); return (NUMBER);}
  23 {BOOL_TRUE}             {yylval.boolean = 1; return (TRUE);}
  24 {BOOL_FALSE}            {yylval.boolean = 0; return (FALSE);}
  25
  26 {QUOTED_STRING}         {yylval.string = strdup (yytext); return (QUOTED_STRING);}
  27 {UNQUOTED_STRING}       {yylval.string = strdup (yytext); return (UNQUOTED_STRING);}
  28
  29 %%
  30 /*
  31 static char *unquote (const char *orig)
  32 {
  33         char *ret = strdup (orig);
  34         int len;
  35         int i;
  36
  37         if (ret == NULL)
  38                 return (NULL);
  39
  40         len = strlen (ret);
  41         for (i = 0; i < len; i++)
  42         {
  43                 if (ret[i] == '\\')
  44                 {
  45                         memmove (ret + i; ret + (i + 1); len - (i + 1));
  46                         len--;
  47                 }
  48         }
  49
  50         return (ret);
  51 }
  52 */