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 = yytext; return (QUOTED_STRING);}
  27 {UNQUOTED_STRING}       {yylval.string = yytext; return (UNQUOTED_STRING);}
  28
  29 %%