"Joel E. Denny" <[EMAIL PROTECTED]> writes: > Why must the lookahead token be maintained in two variables? Why not just > maintain yychar and invoke YYTRANSLATE whenever yytoken is needed?
In the case of yacc.c, it's most likely efficiency: the desire to avoid reinvoking YYTRANSLATE. The tradeoffs are no doubt different for GLR. (And I doubt whether anybody's measured the efficiency in the yacc case either, at least not recently....) _______________________________________________ Help-bison@gnu.org http://lists.gnu.org/mailman/listinfo/help-bison
