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Run "TZ=UTC0 admin/update-copyright".
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* src/itree.c:
* src/itree.h: Fix quoting style in comments.
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dc4e6b13296 ; Update copyright years in more files
64b37776318 ; Run set-copyright from admin.el
8e1c56ae467 ; Add 2024 to copyright years
# Conflicts:
# doc/misc/modus-themes.org
# doc/misc/texinfo.tex
# etc/NEWS
# etc/refcards/ru-refcard.tex
# etc/themes/modus-operandi-theme.el
# etc/themes/modus-themes.el
# etc/themes/modus-vivendi-theme.el
# lib/alloca.in.h
# lib/binary-io.h
# lib/c-ctype.h
# lib/c-strcasecmp.c
# lib/c-strncasecmp.c
# lib/careadlinkat.c
# lib/cloexec.c
# lib/close-stream.c
# lib/diffseq.h
# lib/dup2.c
# lib/filemode.h
# lib/fpending.c
# lib/fpending.h
# lib/fsusage.c
# lib/getgroups.c
# lib/getloadavg.c
# lib/gettext.h
# lib/gettime.c
# lib/gettimeofday.c
# lib/group-member.c
# lib/malloc.c
# lib/md5-stream.c
# lib/md5.c
# lib/md5.h
# lib/memmem.c
# lib/memrchr.c
# lib/nanosleep.c
# lib/save-cwd.h
# lib/sha1.c
# lib/sig2str.c
# lib/stdlib.in.h
# lib/strtoimax.c
# lib/strtol.c
# lib/strtoll.c
# lib/time_r.c
# lib/xalloc-oversized.h
# lisp/auth-source-pass.el
# lisp/emacs-lisp/lisp-mnt.el
# lisp/emacs-lisp/timer.el
# lisp/info-look.el
# lisp/jit-lock.el
# lisp/loadhist.el
# lisp/mail/rmail.el
# lisp/net/ntlm.el
# lisp/net/webjump.el
# lisp/progmodes/asm-mode.el
# lisp/progmodes/project.el
# lisp/progmodes/sh-script.el
# lisp/textmodes/flyspell.el
# lisp/textmodes/reftex-toc.el
# lisp/textmodes/reftex.el
# lisp/textmodes/tex-mode.el
# lisp/url/url-gw.el
# m4/alloca.m4
# m4/clock_time.m4
# m4/d-type.m4
# m4/dirent_h.m4
# m4/dup2.m4
# m4/euidaccess.m4
# m4/fchmodat.m4
# m4/filemode.m4
# m4/fsusage.m4
# m4/getgroups.m4
# m4/getloadavg.m4
# m4/getrandom.m4
# m4/gettime.m4
# m4/gettimeofday.m4
# m4/gnulib-common.m4
# m4/group-member.m4
# m4/inttypes.m4
# m4/malloc.m4
# m4/manywarnings.m4
# m4/mempcpy.m4
# m4/memrchr.m4
# m4/mkostemp.m4
# m4/mktime.m4
# m4/nproc.m4
# m4/nstrftime.m4
# m4/pathmax.m4
# m4/pipe2.m4
# m4/pselect.m4
# m4/pthread_sigmask.m4
# m4/readlink.m4
# m4/realloc.m4
# m4/sig2str.m4
# m4/ssize_t.m4
# m4/stat-time.m4
# m4/stddef_h.m4
# m4/stdint.m4
# m4/stdio_h.m4
# m4/stdlib_h.m4
# m4/stpcpy.m4
# m4/strnlen.m4
# m4/strtoimax.m4
# m4/strtoll.m4
# m4/time_h.m4
# m4/timegm.m4
# m4/timer_time.m4
# m4/timespec.m4
# m4/unistd_h.m4
# m4/warnings.m4
# nt/configure.bat
# nt/preprep.c
# test/lisp/register-tests.el
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cae528457c ; Add 2023 to copyright years.
b394359261 Improve documentation of 'isearch-open-overlay-temporary'
ab3210e709 Document 'use-package' in the 2 main manuals
# Conflicts:
# etc/refcards/ru-refcard.tex
# lib/explicit_bzero.c
# m4/explicit_bzero.m4
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5fbd12ff494 Adapt manual names in emacs-news-mode
b36bc692671 ; * etc/NEWS: Fix typos.
f626b9f3856 ; * doc/misc/use-package.texi: Fix indexing.
56a6712bd6f ; * lisp/erc/erc.el (erc-default-target): Fix comment.
dcf69a1da4a Respect some spaces in auth-source-pass--match-regexp
acd462b0306 ; Improve the use-package manual
801c1c22de8 ; Prefer HTTPS to HTTP in some URLs
74a009dd96a Eglot: Handle LSP progress with Emacs progress reporters ...
0cfeb1c2bc9 Eglot: cleanup whitespace and indentation
465a9e78b96 Better test-custom-opts diagnostics
bdbb7099784 ; Fix groff warnings in man pages
d3d9676bf88 New script admin/check-man-pages
c2aea9d1323 ; Mention flush-lines in kill-matching-lines docstring
f5c3585e4dd ; Fix typos
58a483960dd ; Improve use-package-autoload-keymap docstring
# Conflicts:
# etc/NEWS
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* src/itree.h (itree_empty_p): New predicate.
* src/buffer.h (buffer_has_overlays):
* src/pdumper.c (dump_buffer):
* src/alloc.c (mark_buffer): Call it. (Bug#59137)
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Only use the new iterator which relies on a fixed size (and small)
state in the iterator.
This makes non-local exits safe within ITREE_FOREACH loops.
* src/itree.c (make_nav, nav_nodeptr, nav_flag, itree_stack_clear)
(itree_stack_push_flagged): Delete functions.
(nodeptr_and_flag): Delete type.
(struct itree_stack): Make the array hold plain pointers instead.
(itree_stack_push): Inline the former code of `itree_stack_push_flagged`.
(itree_stack_pop): Change return type.
(itree_contains): Don't call `ITREE_FOREACH_ABORT` any more.
(itree_insert_gap): Simplify access to the stack of nodes.
(itree_delete_gap, itree_insert_gap): Adjust code to new return type of
`itree_stack_pop`.
(itree_iterator_finish): Delete function.
(itree_iterator_start): Don't setup the `stack` field any more.
(itree_iterator_next): Delete function.
(itree_iter_next): Rename to `itree_iterator_next` and make it non-static.
(itree_iterator_narrow): Don't check the `running` flag any more.
* src/itree.h (itree_iterator_finish): Remove declaration.
(struct itree_iterator): Remove the `stack` and `running` fields.
(ITREE_FOREACH_ABORT): Delete macro.
(ITREE_FOREACH): Don't call `itree_iterator_finish` any more.
* src/xdisp.c (strings_with_newlines):
* src/buffer.c (overlays_in, next_overlay_change, overlay_touches_p):
Don't call `ITREE_FOREACH_ABORT` any more.
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Get rid of the global iterator object and instead allocate
a separate iterator for every loop. This still uses the "duplicate
iterator" code, including the old iterator which needs a stack,
make ITREE_FOREACH a bit more expensive than we'd like.
* src/itree.h (init_itree, forget_itree, itree_iterator_busy_p):
Delete declarations.
(itree_iterator_start): Add iterator arg and remove `line` and `file` args.
(struct itree_iterator): Move from `itree.c`. Remove `line` and
`file` fields.
(ITREE_FOREACH): Stack allocate an iterator object and pass it to
`itree_iterator_start`.
* src/itree.c (struct itree_iterator): Move to itree.h.
(iter): Delete global variable.
(itree_iterator_create, init_itree, forget_itree, itree_iterator_busy_p):
Delete functions.
(itree_contains): Adjust assertion.
(itree_iterator_finish): Deallocate the iterator's stack.
(itree_iterator_start): Take the (uninitialized) iterator as argument.
Allocate a fresh new stack. Remove `file` and `line` arguments.
Don't check `running` any more since the iterator is not expected to be
initialized at all.
* src/eval.c (signal_or_quit):
* src/alloc.c (garbage_collect): Don't check `itree_iterator_busy_p`
any more.
* src/emacs.c (main): No need to `init_itree` any more.
(Fdump_emacs): No need to `forget_itree` any more.
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This still uses the old iterator code, but runs the new code
alongside to make sure they behave identically.
* src/itree.c (struct itree_iterator): New field `node`.
(itree_iterator_create): Give it a sane default value.
(itree_iterator_busy_p, itree_iterator_start, itree_iterator_finish):
Move down to the "iterator" section of the file.
(itree_iter_next_in_subtree, itree_iterator_first_node)
(itree_iter_next): New functions.
(itree_iterator_start): Initialize the new `node` field.
(itree_iterator_next): Add post-order case.
Call the new "stateless" `itree_iter_next` function and check that it
agrees.
* src/itree.h (enum itree_order): New value for post-order traversals.
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* src/itree.c (forget_itree): New function.
* src/emacs.c (Fdump_emacs): Call 'forget_itree'.
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The most obvious problem was the lack of support for
`insert-before-markers`, but the behavior was also different in a few
other cases.
* src/itree.h (itree_insert_gap):
* src/itree.c (itree_insert_gap): Add `before_markers` arg.
* src/lisp.h (adjust_overlays_for_insert):
* src/buffer.c (adjust_overlays_for_insert): Add `before_markers` arg.
* src/insdel.c (adjust_markers_for_replace, adjust_markers_for_insert)
(adjust_markers_for_delete): Adjust overlays directly from here.
(insert_1_both, insert_from_string_1, insert_from_gap)
(insert_from_buffer_1, adjust_after_replace, replace_range)
(replace_range_2, del_range_2): Don't adjust overlays explicitly here
any more.
* test/src/buffer-tests.el (test-overlay-insert-before-markers-empty)
(test-overlay-insert-before-markers-non-empty): New tests.
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Some names under the interval_* namespace were renamed under the
itree_* namespace in commits:
0. f421b58db5 of 2022-10-19
"Prefix all itree.h type names with itree_".
1. 37a1145410 of 2022-10-19
"Rename all exported itree.h functions with the itree_ prefix"
Further, some values still referenced in commentary were removed in
commits:
2. 258e618364 of 2022-10-17
"Delete the itree_null sentinel node, use NULL everywhere."
3. 2c4a3910b3 of 2022-10-02
"itree: Use a single iterator object"
* src/emacs.c (main): Allocate global itree iterator once and for
all.
* src/alloc.c (mark_overlay):
* src/buffer.c (set_overlays_multibyte):
* src/itree.c (itree_destroy): Update commentary.
(interval_stack_ensure_space, itree_insert_gap): Prefer
unsigned-to-unsigned comparisons over signed-to-unsigned.
(interval_stack_push_flagged, interval_tree_insert)
(interval_tree_contains, itree_iterator_start)
(itree_iterator_finish, itree_iterator_next, itree_iterator_narrow):
Improve assertions.
(itree_init): Rename...
(init_itree): ...to this, for consistency with other global init
functions.
(itree_create): Stop leaking a global iterator allocation on each
call.
(interval_tree_init): Complete renames of
interval_tree -> itree_tree and interval_tree_clear -> itree_clear.
(interval_tree_remove_fix): Fix indentation.
* src/itree.h: Declare init_itree.
(ITREE_FOREACH): Fix typo in commentary.
* src/pdumper.c [CHECK_STRUCTS]
(dump_interval_node): Use the correct name in the HASH condition
and #error message.
(dump_overlay, dump_buffer): Update HASH (bug#58975).
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* src/itree.h: Make all declarations `extern'.
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For the most part, I replaced the interval_tree_ prefix with itree_,
interval_node_ with itree_node_, etc.
* src/alloc.c: Rename everywhere as appropriate.
* src/alloc.c: ditto.
* src/buffer.c: ditto.
* src/buffer.h: ditto.
* src/itree.c: ditto.
* src/itree.h: ditto.
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Rename interval_node -> itree_node, interval_tree -> itree_tree,
interval_tree_order -> itree_order.
* src/alloc.c: Renames.
* src/buffer.c: ditto.
* src/itree.c: ditto.
* src/itree.h: ditto.
* src/lisp.h: ditto.
* src/pdumper.h: ditto.
* src/textprop.h: ditto.
* src/xdisp.h: ditto.
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This reverts commit b8fbd42f0a7caa4cd9e2d50dd4e4b2101ac78acd,
with edits.
* src/alloc.c (mark_overlays): restore function.
(mark_buffer): Call it, not ITREE_FOREACH.
(garbage_collect): eassert (!itree_busy_p ()).
* src/itree.h: Comment tweak: explain why GC is considered risky. It
isn't that GC itself is risky, it is that GC can call ELisp by way of
a hook, and running ELisp during iteration is risks nested iteration.
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* src/itree.h: Delete the ITREE_NULL macro.
* src/itree.c (check_subtree): Use NULL everywhere.
* src/pdumper.c (dump_buffer): ditto.
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* src/itree.h: Rename struct interval_generator -> itree_iterator.
Rename functions: itree_busy_p -> itree_iterator_busy_p,
interval_tree_iter_start -> itree_iterator_start,
interval_generator_narrow -> itree_iterator_narrow,
interval_tree_iter_finish -> itree_iterator_finish,
interval_generator_next -> itree_iterator_next.
* src/itree.c: Use new names everywhere.
* src/eval.c: ditto.
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This effort caught a few (already commited) places that were
dereferencing through ITREE_NULL in a confusing way. It makes some
functions have to check for NULL in more places, but in my experinece
this is worth it from a code clarity point of view.
In doing this I rewrote `interval_tree_remove` completely. There
there was one final bug in that function that I simply could not find
when I #define'd ITREE_NULL to NULL. I couldn't easily understand
that function, so instead I rewrote it completely with a focus on code
clarity. Bug went away.
I have left the ITREE_NULL #define in code, to reduce code review
noise. It is easily removed later, mechanically.
* src/itree.h: #define ITREE_NULL to NULL and leave a FIXME.
* src/itree.c (itree_null): Delete the itree_null static variable.
(null_is_sane): Delete (and all callers).
(interval_tree_insert): Insert the first node as black straight away.
(itree_newlimit): Handle NULL children.
(interval_tree_remove_fix): ditto.
(interval_tree_insert_fix): ditto.
(interval_tree_remove): Rewrite for clarity.
(null_safe_is_red): New function.
(null_safe_is_black): New function.
(interval_tree_replace_child): Renamed from interval_tree_transplant.
(interval_tree_transplant): New function that something I think is
more like a full transplantation. (names are hard)
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Move args between `build_overlay` and `add_buffer_overlay`,
to try and keep buffer positions together with their buffer.
Be more strict in the `otick` values passed to `interval_tree_insert`.
Move a few things around to try and reduce dependencies through `.h` files.
Fix a thinko bug in `check_tree`.
* src/alloc.c (build_overlay): Remove `begin` and `end` args.
* src/buffer.c (add_buffer_overlay): Move from `buffer.h`.
Add `begin` and `end` args.
(copy_overlays): Adjust accordingly.
(Fmake_overlay): Use BUF_BEG and BUF_Z; adjust call to `build_overlay`
and `add_buffer_overlay`.
(Fmove_overlay): Use BUF_BEG and BUF_Z; Use the new `begin` and `end`
args of `add_buffer_overlay` so we don't need to use
`interval_node_set_region` when moving to a new buffer.
(remove_buffer_overlay, set_overlay_region): Move from `buffer.h`.
* src/buffer.h (set_overlay_region, add_buffer_overlay)
(remove_buffer_overlay): Move to `buffer.c`.
(build_overlay): Move from `lisp.h`.
(maybe_alloc_buffer_overlays): Delete function (inline into its only
caller).
* src/itree.c (interval_tree_insert): Move declaration `from buffer.h`.
(check_tree): Fix initial offset in call to `recurse_check_tree`.
Remove redundant check of the `limit` value.
(interval_node_init): Remove `begin` and `end` args.
(interval_tree_insert): Mark it as static.
Assert that the new node's `otick` should already be uptodate and its
new parent as well.
(itree_insert_node): New function.
(interval_tree_insert_gap): Assert the otick of the removed+added nodes
were uptodate and mark them as uptodate again after adjusting
their positions.
(interval_tree_inherit_offset): Check that the parent is at least as
uptodate as the child.
* src/lisp.h (build_overlay): Move to `buffer.h`.
* src/itree.h (interval_node_init): Adjust accordingly.
(interval_tree_insert): Remove declaration.
(itree_insert_node): New declaration.
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* src/itree.c (itree_busy_p): New function.
* src/eval.c (signal_or_quit): Use it.
* src/itree.h (itree_busy_p): Declare it.
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`interval_tree_remove` called `interval_tree_propagate_limit (subst)`
and `interval_tree_propagate_limit (min_right)` but both of those nodes
are moved without touching their subtrees, so their `limit`s are
"stable" causing `interval_tree_propagate_limit` to do nothing.
Indeed we don't need to update those nodes's `limit`s but we *do*
need to update their parents since those nodes have been moved.
Incidentally, this removes some uses of `null->parent` :-)
There are more uses of `null->parent`, tho, so I added more comments
explaining them (with the help of the matching section of the book
from which the algorithm was taken).
* src/itree.c (interval_tree_update_limit): Remove unused arg `tree`.
(interval_tree_rotate_left, interval_tree_rotate_right): Adjust callers.
(interval_tree_contains): Mark as static.
(itree_limit_is_stable, itree_limits_are_stable): New functions.
(interval_tree_remove): Fix incomplete update of `limit`s in corner
cases.
(interval_generator_next): Add sanity check to make sure the `limit`s
were properly updated.
* src/itree.h (interval_tree_contains): Remove declaration.
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Instead of having one iterator object per buffer, use just a single
global one. There is virtually no benefit to having per-buffer
iterators anyway: if two iterations can be active at the same time,
then there can be cases where those two iterations happen
to operate on the same buffer :-(
* src/itree.h (struct interval_tree): Remove `iter` field.
* src/itree.c (interval_generator_destroy)
(interval_tree_iter_ensure_space): Delete functions.
(iter): New global variable.
(init_itree_null): Rename to `itree_init` and adjust all callers.
Initialize `iter` as well.
(interval_tree_create, interval_tree_init):
Don't initialize `iter` field any more.
(interval_tree_destroy): Don't destroy `iter` field any more.
(interval_tree_insert): Don't bother growing the iterator (it's grown
in `interval_stack_push_flagged` if needed anyway, and in any case
there's no `iter` here to grow any more).
(interval_tree_remove): Tweak assertion to be more precise and
self-evident.
(interval_tree_iter_start): Use the global `iter`.
(interval_generator_create): Make it work with a NULL argument.
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This commit basically reverts commit 5b954f8f9. The problem of nested
iterations hasn't been fixed in the mean time, but since the GC can
run arbitrary ELisp code (via `post-gc-hook`), running the GC from
within an itree iteration is already unsafe anyway :-(
* src/alloc.c (mark_overlays): Delete function.
(mark_buffer): Use ITREE_FOREACH.
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* src/itree.h (interval_tree_iter_start): Adjust type.
(interval_tree_nodes): Delete declaration.
(ITREE_FOREACH, ITREE_FOREACH_ABORT, ITREE_FOREACH_NARROW): New macros.
* src/itree.c (interval_tree_contains, interval_tree_insert_gap):
Use the new ITREE_FOREACH macro.
(interval_tree_nodes): Delete function.
(interval_tree_iter_start): Return the iterator.
(interval_generator_next, interval_tree_destroy):
Don't accept a NULL arg any more.
* src/xdisp.c (load_overlay_strings, strings_with_newlines):
* src/textprop.c (get_char_property_and_overlay):
* src/buffer.c (copy_overlays, delete_all_overlays)
(set_overlays_multibyte, swap_buffer_overlays, overlays_in)
(next_overlay_change, previous_overlay_change, overlay_touches_p)
(overlay_strings, Foverlay_lists, report_overlay_modification)
(evaporate_overlays): Use the new ITREE_FOREACH macro.
* src/buffer.h (buffer_overlay_iter_start1)
(buffer_overlay_iter_start, buffer_overlay_iter_next)
(buffer_overlay_iter_finish, buffer_overlay_iter_narrow):
Delete declarations.
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* src/buffer.c (delete_all_overlays): Add comment.
* src/itree.c (struct interval_generator): New fields `running`,
`file`, and `line` moved from `interval_tree`.
(interval_stack_push_flagged): Adjust comment to resolve a FIXME.
(interval_tree_clear): Replace assignment with an a
(interval_tree_iter_next): Delete function.
(interval_tree_clear): Don't set `iter_running` here any more.
(interval_generator_create): Set it here instead.
(interval_tree_iter_start): Fetch `iter` once and for all.
(interval_generator_narrow): Mark it as non-static.
(interval_tree_iter_next, interval_tree_iter_narrow):
Delete functions. Inline their old bodies in the callers.
(interval_tree_iter_finish): Take the iter rather than
the whole tree. Adjust all callers.
(interval_generator_next): Move `running `assertion here from
`interval_tree_iter_next`.
* src/buffer.h: Adjust accordingly.
* src/itree.h (struct interval_tree): Remove fields `iter_running`,
`file`, and `line`, moved to `interval_generator`.
(interval_generator_narrow): Replace `interval_tree_iter_narrow`.
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"make check" shows 0 unexpcted.
* src/itree.h (itree_null): Declare extern.
(ITREE_NULL): New macro
(struct interval_tree): Remove null member.
* src/alloc.c (mark_overlays): Use ITREE_NULL.
* src/itree.c: Use ITREE_NULL insteads of a tree's null.
* src/pdumper.c (dump_buffer): Use ITREE_NULL.
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These bits really belong in the "workstack" used within
`interval_generator_next`, so move them there.
* src/itree.c (nodeptr_and_flag): New type;
(struct interval_stack): Use it.
(make_nav, nav_nodeptr, nav_flag): New functions.
(interval_tree_insert_gap, interval_tree_delete_gap): Adjust accordingly.
(interval_generator_next): Stash the `visited` bit in the work stack
rather than inside the tree nodes.
(interval_stack_create, interval_stack_destroy, interval_stack_clear)
(interval_stack_ensure_space, interval_stack_push_flagged)
(interval_stack_push, interval_stack_pop): Move before first use.
* src/itree.h (struct interval_node): Remove `visited` field.
* src/pdumper.c (dump_interval_node): Adjust accordingly.
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* src/alloc.c (mark_overlay): Add sanity check.
* src/buffer.c (next_overlay_change, previous_overlay_change):
Tweak code to keep the same vars for the bounds.
* src/itree.c (interval_tree_clear, interval_tree_insert)
(interval_tree_remove, interval_tree_insert_fix, interval_tree_remove_fix):
Adjust to the `color` -> `red` change.
(interval_tree_clear): Prefer `true/false` for booleans.
(interval_generator_create): Use an actual `interval_tree_order` value
rather than 0.
(interval_generator_next): Simplify a tiny bit. Add comment.
(interval_generator_narrow): Add sanity check.
* src/itree.h (struct interval_node): Replace `color` field with
boolean `red` field.
(enum interval_tree_order): Remove unused `ITREE_DEFLT_ORDER` value.
* src/pdumper.c (dump_interval_node): Adjust to the
`color` -> `red` change.
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When starting an iteration, store __FILE__ and __LINE__ where this
happens in the interval_tree structure.
* src/buffer.h (buffer_overlay_iter_start): New macro adding __FILE
and __LINE__.
(buffer_overlay_iter_start1): Renamed from ..._start.
* src/itree.h (struct interval_tree): Add file and line info.
* src/itree.c: (interval_tree_contains, interval_tree_nodes,
interval_tree_insert_gap): Pass __FILE__ and __LINE__ to iter_start.
(interval_tree_iter_start): Record file and line info in tree.
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* src/itree.h (struct interval_tree): Rename member nil to null.
* src/itree.c: Use null instead of nil
* src/pdumper.c (dump_buffer): Use null instead of nil.
* src/itree.c: Fix copyright.
* src/itree.h: Fix copyright.
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* src/itree.h (struct interval_tree): Add bit descriptor.
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* src/itree.h (struct interval_node): Move color member near the end.
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* src/itree.h (struct interval_node): Add bit descriptor.
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* src/itree.c (interval_tree_nodes): New function
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* src/itree.c
(interval_generator_narrow, interval_generator_next)
(interval_node_init, interval_node_begin)
(interval_node_end, interval_node_set_region)
(interval_tree_create, interval_tree_clear)
(interval_tree_init, interval_tree_destroy)
(interval_tree_size, interval_tree_insert)
(interval_tree_contains, interval_tree_remove)
(interval_tree_validate, interval_tree_iter_start)
(interval_tree_iter_finish, interval_tree_iter_next)
(interval_tree_iter_ensure_space, interval_tree_max_height)
(interval_tree_insert_gap, interval_tree_delete_gap)
(interval_generator_create, interval_generator_reset)
(interval_generator_ensure_space, interval_node_intersects)
(interval_generator_next, interval_generator_narrow)
(interval_generator_destroy, interval_stack_create)
(interval_stack_destroy, interval_stack_clear)
(interval_stack_ensure_space, interval_stack_push)
(interval_stack_push_flagged, interval_stack_pop)
(interval_tree_update_limit, interval_tree_inherit_offset)
(interval_tree_propagate_limit, interval_tree_rotate_left)
(interval_tree_rotate_right, interval_tree_insert_fix)
(interval_tree_remove_fix, interval_tree_transplant)
(interval_tree_subtree_min): New file and new functions.
* src/itree.h: New file.
* configure.ac: Create Makefile for manual overlay tests.
* src/Makefile.in: Add itree.o target.
* src/alloc.c (build_overlay, mark_overlay, mark_buffer)
(sweep_misc, sweep_buffers): Adapt to new tree data-structure.
* src/buffer.c (overlays_in, overlays_at): Remove unused arguments
prev_ptr and change_req, adapt to new data-structure and reuse
code.
(copy_overlays, drop_overlays, delete_all_overlays)
(reset_buffer, kill-buffer, buffer-swap-text, next_overlay_change)
(previous_overlay_change, mouse_face_overlay_overlaps)
(disable_line_numbers_overlay_at_eob, overlay_touches_p)
(overlay_strings, adjust_overlays_for_insert)
(adjust_overlays_for_delete, overlayp, make-overlay, move-overlay)
(delete-overlay, overlay-start, overlay-end, overlay-buffer)
(overlay-properties, overlays-at, overlays-in)
(next-overlay-change, previous-overlay-change, overlay-put)
(overlay-get, report_overlay_modification, evaporate_overlays)
(init_buffer_once): Adapt to changes and tree data-structure.
(overlay-lists, overlay-recenter): Funtions are now obsolete, but
kept anyway.
(set_buffer_overlays_before, set_buffer_overlays_after)
(recenter_overlay_lists,fix_start_end_in_overlays,fix_overlays_before)
(unchain_overlay,): Removed functions of the old list
data-structure.
(swap_buffer_overlays, make_sortvec_item): New functions.
(sort_overlays): Adapt to changes and tree data-structure.
(sortvec): Moved to buffer.h .
(make_lispy_interval_node, overlay_tree, overlay-tree)
[ITREE_DEBUG]: New debugging functions.
* src/buffer.h (overlays_before, overlays_after): Removed struct
member of the list data-structure.
(overlays): Added tree struct member.
(sortvec): Moved here from buffer.c .
(GET_OVERLAYS_AT): Adapt to changes.
(set_buffer_intervals, OVERLAY_START, OVERLAY_END, OVERLAY_PLIST):
Adapt to tree data-structure.
(OVERLAY_POSITION): Removed macro of the list data-structure.
(OVERLAY_REAR_ADVANCE_P, OVERLAY_FRONT_ADVANCE_P): New macros.
(overlay_start, overlay_end)
(set_overlay_region, maybe_alloc_buffer_overlays)
(free_buffer_overlays, add_buffer_overlay)
(remove_buffer_overlay, buffer_overlay_iter_start)
(buffer_overlay_iter_next, buffer_overlay_iter_finish)
(buffer_overlay_iter_narrow): New functions.
(compare_overlays, make_sortvec_item): Export functions.
* src/editfns.c (overlays_around): Reuse overlays_in.
(get-pos-property): Adapt to tree data-structure.
(transpose-regions): Remove call to deleted function.
* src/fileio.c: (insert-file-contents): Remove
references to deleted struct member.
* src/fns.c (internal_equal): Adapt to tree data-structure.
* src/indent.c (check_display_width): Adapt to tree
data-structure.
(skip_invisible): Remove call to deleted function.
* src/insdel.c (adjust_markers_for_insert): Remove calls to
deleted functions.
* src/intervals.c (adjust_for_invis_intang): Adapt to tree
data-structure.
* src/keyboard.c (adjust_point_for_property): Adapt to tree
data-structure.
* src/lisp.h (Lisp_Overlay): Modified struct layout.
* src/print.c (temp_output_buffer_setup, print_object): Adapt to
tree data-structure.
* src/textprop.c (get_char_property_and_overlay): Adapt to tree
data-structure. Take advantage of the new data-structure.
* src/window.h (overlay_matches_window): New function.
* src/xdisp.h (next_overlay_change): Removed function. Use
next-overlay-change, which does not use xmalloc anymore.
(handle_single_display_spec, load_overlay_strings)
(back_to_previous_visible_line_start, note_mouse_highlight): Adapt
to tree data-structure.
(move_it_to, display_line): Remove calls to deleted functions.
* src/xfaces.c (face_at_buffer_position): Adapt to changes and
tree data-structure.
* test/src/buffer-tests.el: Many tests regarding overlays added.
* test/manual/noverlay/itree-tests.c: New file with tests of the
tree data-structure on the C level.
* test/manual/noverlay/Makefile.in: New file.
* test/manual/noverlay/check-sanitize.sh: New file.
* test/manual/noverlay/emacs-compat.h: New file.
* test/manual/noverlay/.gitignore: New file.
* test/manual/noverlay/overlay-perf.el: New file providing
performance tests.
* test/manual/noverlay/many-errors.h: New file.
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