src/scanner.l

   1 %{
   2 #include <stdlib.h>
   3 #include "oconfig.h"
   4 #include "aux_types.h"
   5 #include "parser.h"
   6 %}
   7 WHITE_SPACE [\ \t\b]
   8 ALNUM [A-Za-z0-9_]
   9 QUOTED_STRING \"([^\"]+|\\.)*\"
  10 UNQUOTED_STRING {ALNUM}+
  11 HEX_NUMBER 0[xX][0-9a-fA-F]+
  12 OCT_NUMBER 0[0-7]+
  13 DEC_NUMBER [\+\-]?[0-9]+
  14 FLOAT_NUMBER [\+\-]?[0-9]*\.[0-9]+([eE][\+\-][0-9]+)?
  15 NUMBER ({FLOAT_NUMBER}|{HEX_NUMBER}|{OCT_NUMBER}|{DEC_NUMBER})
  16 BOOL_TRUE (true|yes|on)
  17 BOOL_FALSE (false|no|off)
  18 COMMENT #.*
  19
  20 %%
  21 {WHITE_SPACE}   |
  22 {COMMENT}       {/* nothing */}
  23
  24 \n                      {return (EOL);}
  25 "/"                     {return (SLASH);}
  26 "<"                     {return (OPENBRAC);}
  27 ">"                     {return (CLOSEBRAC);}
  28 {NUMBER}                {yylval.number = strtod (yytext, NULL); return (NUMBER);}
  29 {BOOL_TRUE}             {yylval.boolean = 1; return (TRUE);}
  30 {BOOL_FALSE}            {yylval.boolean = 0; return (FALSE);}
  31
  32 {QUOTED_STRING}         {yylval.string = yytext; return (QUOTED_STRING);}
  33 {UNQUOTED_STRING}       {yylval.string = yytext; return (UNQUOTED_STRING);}
  34
  35 %%