put all tokens in the token cache * lex.h, lex.ll (octave_lexer::handle_token (int, token *)): New arg, tok_val, with default value 0. If tok_val is 0, create token object. Put token object in the token cache. (octave_lexer::handle_token (const std::string&, int)): Rename from push_token. Change all uses. Create token and pass to octave_lexer::handle_token (int, tok_val *).