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%{
// some C++ code
#include "chill_run_util.hh"
#include "parse_expr.tab.hh"
%}
%option noyywrap
%%
[ \t]+ /*ignore*/
\n /*ignore*/
L[0-9]+ { yylval.val = atoi(&yytext[1]); return LEVEL; }
[0-9]+ { yylval.val = atoi(yytext); return NUMBER; }
\<\= return LE;
\>\= return GE;
\=(\=)? return EQ;
[a-zA-Z_][a-zA-Z_0-9]* {
yylval.str_val = new char[yyleng+1];
strcpy(yylval.str_val, yytext);
return VARIABLE;
}
. return (int)yytext[0];
%%
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