Fast save_excursion_save and save_excursion_restore.

[gnu-emacs] / src / ChangeLog

diff --git a/src/ChangeLog b/src/ChangeLog
index 7e91158ee361d0b41256cca423e4f7f5c5f7b37a..e78a03652886417435fbfafa73b4c9262d36b65d 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,20 @@
+2012-07-27  Dmitry Antipov  <dmantipov@yandex.ru>
+
+       Fast save_excursion_save and save_excursion_restore.
+       * lisp.h (struct Lisp_Excursion): New data type.
+       (PVEC_EXCURSION): New pseudovector type.
+       (XEXCURSION, XSETEXCURSION, EXCURSIONP): Convenient macros
+       to deal with it.  Adjust comments.
+       (init_marker, attach_marker): New prototype.
+       (unchain_marker): Adjust prototype.
+       * marker.c (attach_marker): Change to global.
+       (init_marker): New function.
+       * alloc.c (Fmake_marker, build_marker): Use it.
+       (build_marker): More easserts.
+       (mark_object): Handle struct Lisp_Excursion.
+       * editfns.c (save_excursion_save, save_excursion_restore):
+       Reimplement to use struct Lisp_Excursion.  Add comments.
+
 2012-07-26  Paul Eggert  <eggert@cs.ucla.edu>
 
        Fix export of symbols to GDB (Bug#12036).