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-rw-r--r--src/editfns.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/src/editfns.c b/src/editfns.c
index e672c0eb74d..3147f9d1466 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -995,30 +995,24 @@ This function does not move point. */)
995 Qnil, Qt, Qnil); 995 Qnil, Qt, Qnil);
996} 996}
997 997
998/* Save current buffer state for `save-excursion' special form. 998/* Save current buffer state for save-excursion special form. */
999 We (ab)use Lisp_Misc_Save_Value to allow explicit free and so
1000 offload some work from GC. */
1001 999
1002Lisp_Object 1000void
1003save_excursion_save (void) 1001save_excursion_save (union specbinding *pdl)
1004{ 1002{
1005 return make_save_obj_obj_obj_obj 1003 eassert (pdl->unwind_excursion.kind == SPECPDL_UNWIND_EXCURSION);
1006 (Fpoint_marker (), 1004 pdl->unwind_excursion.marker = Fpoint_marker ();
1007 Qnil, 1005 /* Selected window if current buffer is shown in it, nil otherwise. */
1008 /* Selected window if current buffer is shown in it, nil otherwise. */ 1006 pdl->unwind_excursion.window
1009 (EQ (XWINDOW (selected_window)->contents, Fcurrent_buffer ()) 1007 = (EQ (XWINDOW (selected_window)->contents, Fcurrent_buffer ())
1010 ? selected_window : Qnil), 1008 ? selected_window : Qnil);
1011 Qnil);
1012} 1009}
1013 1010
1014/* Restore saved buffer before leaving `save-excursion' special form. */ 1011/* Restore saved buffer before leaving `save-excursion' special form. */
1015 1012
1016void 1013void
1017save_excursion_restore (Lisp_Object info) 1014save_excursion_restore (Lisp_Object marker, Lisp_Object window)
1018{ 1015{
1019 Lisp_Object marker = XSAVE_OBJECT (info, 0);
1020 Lisp_Object window = XSAVE_OBJECT (info, 2);
1021 free_misc (info);
1022 Lisp_Object buffer = Fmarker_buffer (marker); 1016 Lisp_Object buffer = Fmarker_buffer (marker);
1023 /* If we're unwinding to top level, saved buffer may be deleted. This 1017 /* If we're unwinding to top level, saved buffer may be deleted. This
1024 means that all of its markers are unchained and so BUFFER is nil. */ 1018 means that all of its markers are unchained and so BUFFER is nil. */
@@ -1027,6 +1021,7 @@ save_excursion_restore (Lisp_Object info)
1027 1021
1028 Fset_buffer (buffer); 1022 Fset_buffer (buffer);
1029 1023
1024 /* Point marker. */
1030 Fgoto_char (marker); 1025 Fgoto_char (marker);
1031 unchain_marker (XMARKER (marker)); 1026 unchain_marker (XMARKER (marker));
1032 1027