\. return DOT;
\( return OBRACE;
\) return CBRACE;
+true yylval = make_bool(true); return LITERAL;
+false yylval = make_bool(false); return LITERAL;
+[0-9]+ yylval = make_numeral(atoi(yytext)); return LITERAL;
[a-z]+ yylval = make_ident(yytext); return IDENT;
[A-Z]+ yylval = make_ident(yytext); return FUNC;