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waf/demos/bisonflex/calc.l
2011-09-10 11:13:51 +02:00

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273 B
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%{
#define YYSTYPE double
#include "calc.tab.h"
extern YYSTYPE yylval;
%}
%%
[0-9]+\.?[0-9]* { yylval = atof( yytext ); return NUMBER; };
[ \t] ; /* ignore whitespace */
\n { return yytext[0]; };
. { return yytext[0]; }
<<EOF>> { printf("eof\n"); return 0; };
%%