%{
    #include "calendar.tab.h"
%}

%%

[\n\t ] { /* Ignore whitespace */ }
"meeting" 	{ return MEETING; }
"lecture"	{ return LECTURE; }
"lab"	{ return LAB; }
"done"	{ return DONE; }
2[0-9][0-9][0-9]-[0-1][0-9]-[0-2][0-9]	{ return DATE; }
[0-2][0-9]\:[0-5][0-9]	{ return TIME; }
[A-Za-z0-9]+ { return PLACE; }

. { fprintf(stderr, "[scanner: ignoring unknown character: '%c' (%d)]\n", *yytext, *yytext); }

%%