%option noinput
%option nounput
%{

#include "lambda.h"
#include "lambda.tab.h"

%}

%%

[ \t\n]
(\\|λ)    return LAMBDA;
\.        return DOT;
\(        return OBRACE;
\)        return CBRACE;
I         return I;
K         return K;
S         return S;
F         return F;
T         return T;
[a-zA-Z]+ yylval = make_ident(strdup(yytext)); return IDENT;

%%