From 6746150881532061735 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,a69618ea97f65037 X-Google-Attributes: gidf78e5,public From: Jason Merrill Subject: Re: nested functions Date: 1998/05/03 Message-ID: #1/1 X-Deja-AN: 349796501 Approved: Fergus Henderson References: <6hac23$8lb$1@news2.isdnet.net> <353b85b9.0@news.iprolink.ch> <35459993.3BC581B0@physik.tu-muenchen.de> <199804281743.NAA18001@calumny.jyacc.com> <35472A6D.562EA04C@physik.tu-muenchen.de> <35477A9B.3D6@noSPAM.central.beasys.com> X-Original-Date: 03 May 1998 02:14:13 -0700 Organization: Cygnus Solutions, Sunnyvale, CA X-Auth: PGPMoose V1.1 PGP comp.std.c++ iQBFAgUANUxIkOEDnX0m9pzZAQEltQF/RpBXlu8gwz1ywv5Gn7xYH9uqAHeom2yi av4zMZFG7EVFMv8yvocxrOeVXyEIS+va =80e8 Newsgroups: comp.std.c++ >>>>> David R Tribble writes: > All of these are solved by some form of "display" activation record. > Pascal, which supports nested routines, uses this kind of mechanism. > Apparently g++ uses something similar (called a "trampoline") but > that has less overhead for non-nested routines. gcc uses a dynamic chain, which is an alternative to displays. But only the C frontend (and, naturally, the Pascal frontend) supports this; g++ does not, because nobody has done the necessary work. Jason --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://reality.sgi.com/austern_mti/std-c++/faq.html ]