341     int yylen = 0;  in parse()  local
474     yylen = yyr2_[yyn];  in parse()
481     if (yylen)  in parse()
482       yyval = yysemantic_stack_[yylen - 1];  in parse()
488       slice<location_type, location_stack_type> slice (yylocation_stack_, yylen);  in parse()
489       YYLLOC_DEFAULT (yyloc, slice, yylen);  in parse()
576     yypop_ (yylen);  in parse()
577     yylen = 0;  in parse()
644     yyerror_range[1] = yylocation_stack_[yylen - 1];  in parse()
647     yypop_ (yylen);  in parse()
648     yylen = 0;  in parse()
721     yypop_ (yylen);  in parse()