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| author | Richard M. Stallman <rms@gnu.org> | 1994-03-30 06:32:54 +0000 |
|---|---|---|
| committer | Richard M. Stallman <rms@gnu.org> | 1994-03-30 06:32:54 +0000 |
| commit | 09131825716c1df0873b97a6e8d3dca9affa70e8 (patch) | |
| tree | 3157ce416d89a94fd9f9dce11021f893676047aa /src/buffer.c | |
| parent | d764407ce34a511abab8b700c080042538c11d87 (diff) | |
| download | emacs-09131825716c1df0873b97a6e8d3dca9affa70e8.tar.gz | |
(verify_overlay_modification):
Copy TAIL before a hook, in case the hook recenters the overlay lists.
Diffstat (limited to 'src/buffer.c')
| -rw-r--r-- | src/buffer.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/src/buffer.c b/src/buffer.c index b76a024cd32..ed8c3518644 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -2044,19 +2044,32 @@ verify_overlay_modification (start, end) if (XFASTINT (end) == startpos && insertion) { prop = Foverlay_get (overlay, Qinsert_in_front_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + /* Copy TAIL in case the hook recenters the overlay lists. */ + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } if (XFASTINT (start) == endpos && insertion) { prop = Foverlay_get (overlay, Qinsert_behind_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } if (insertion ? (XFASTINT (start) > startpos && XFASTINT (end) < endpos) : (XFASTINT (start) >= startpos && XFASTINT (end) <= endpos)) { prop = Foverlay_get (overlay, Qmodification_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } } @@ -2078,19 +2091,31 @@ verify_overlay_modification (start, end) if (XFASTINT (end) == startpos && insertion) { prop = Foverlay_get (overlay, Qinsert_in_front_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } if (XFASTINT (start) == endpos && insertion) { prop = Foverlay_get (overlay, Qinsert_behind_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } if (insertion ? (XFASTINT (start) > startpos && XFASTINT (end) < endpos) : (XFASTINT (start) >= startpos && XFASTINT (end) <= endpos)) { prop = Foverlay_get (overlay, Qmodification_hooks); - call_overlay_mod_hooks (prop, overlay, start, end); + if (!NILP (prop)) + { + tail = Fcopy_sequence (tail); + call_overlay_mod_hooks (prop, overlay, start, end); + } } } } |