vim-patch:9.2.0362: division by zero with smoothscroll and small windows
Problem: Resizing a smoothscrolled wrapped window to its textoff width
with 'showbreak' can leave wrapped continuation lines with
zero text width. win_lbr_chartabsize() still runs the partial max_head_vcol calculation in
that state and divides by width2, crashing during redraw.
Solution: Skip that partial head calculation when the wrapped
continuation width is zero, matching the other width2 guards
in charset.c (Jaehwang Jung)
closes: vim/vim#20012
AI-assisted: Codex
0e31fb024c
Problem: using int as bool
Solution: refactor: use bool type for internal flags in buf_T
(Hirohito Higashi)
Change the type of 23 internal state flag fields in buf_T from int
to bool for improved type clarity and code readability.
These fields are pure boolean flags that are never accessed via the
option system's varp (which uses *(int *)varp = value), never compared
with int fields holding non-0/1 values, and never use tristate values.
Converted fields:
- State flags: b_dev_valid, b_saving, b_mod_set, b_new_change,
b_marks_read, b_modified_was_set, b_did_filetype, b_keep_filetype,
b_au_did_filetype, b_u_synced, b_scanned, b_p_initialized
- Characteristic flags: b_has_textprop, b_may_swap, b_did_warn,
b_help, b_spell, b_shortname, b_has_sign_column, b_netbeans_file,
b_was_netbeans_file, b_write_to_channel, b_diff_failed
All TRUE/FALSE assignments to these fields have been updated to
true/false accordingly. The type of temporary save variables
(e.g. help_save in tag.c) has also been adjusted to bool.
Option value fields (b_p_XXX) are kept as int because they are
accessed via the option system and some use tristate (-1) semantics.
Fields compared with int option values (b_start_eof, b_start_eol,
b_start_bomb) are also kept as int to preserve comparison integrity.
closes: vim/vim#200201966a1c896
Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Problem:
- Unable to "pin" a window to prevent closing without specifically
being targeted.
- :fclose closes hidden windows (even before visible windows).
Solution:
- Add 'winpinned' window-local option. When set, window is skipped by
:fclose and :only. Pin the ui2 cmdline window (which should always be
visible), so that it is not closed by :only/fclose.
- Skip over hidden (and pinned) windows with :fclose.
Co-authored-by: glepnir <glephunter@gmail.com>
Problem:
win_line() falls into infinite loop when a diff window has top filler
above its first visible buffer line, that first visible buffer line is a
closed fold, and the folded line uses normal non-empty foldtext.
Solution:
Allow flushing pending diff filler rows even when the underlying buffer
line is folded with foldtext.
AI-assisted: Codex
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem:
`api.nvim_buf_del_mark` already emits a `MarkSet` event with `col` and `line` set to 0. However, `:delmarks` currently emits no events.
Solution:
Change `:delmarks` to emit the same `col==line==0` event.
Problem: Vim9: return value of winrestcmd() cannot be executed.
Solution: Put colons before each range. (closesvim/vim#7571)
285b15fce1
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Problem:
Too much boilerplate needed to use Lua to impl an excmd or f_xx
function.
Solution:
- Add `nlua_call_vimfn` which takes the args typval, executes
Lua, and returns a typval.
- refactor(excmd): lua impl for :log, :lsp
Problem: Marks are not adjusted unloading a buffer that doesn't exist
on disk. E.g. extmarks are still valid (and will be beyond the
end of the buffer if the buffer is reloaded), even though the
text is lost.
Solution: Adjust marks for a cleared buffer when unloading a buffer that
doesn't exist on disk.
* fix(api): allow silencing "Too many highlight groups" error
Problem: Using Lua's `vim.api.nvim_set_hl(0, 'New', {...})` can fail if
there are too many existing highlight groups. However, this error can
not be silenced with `pcall`.
Solution: Make it possible to silence in `nvim_set_hl` and
`nvim_get_hl_id_by_name`.
* fix(lsp): limit number of groups created by `document_color()`
Problem: A file can contain many string colors that would be highlighted
by an LSP server. If this number crosses 19999 (maximum number of
allowed highlight groups), there are general issues with creating
other highlight groups, which can break functionality outside of
`vim.lsp.document_color`.
Solution: Limit number of highlight groups that are created by
`vim.lsp.document_color` to 10000 (half of allowed maximum).
This is not a 100% solution (since there can exist more than 10000
other highlight groups), but explicitly checking number of groups is
slow and 10000 should (hopefully) be enough for most use cases.
Problem:
- Builtin "Vimscript" functions (f_xx) are mostly implemented in C.
Partly that's because there is some boilerplate required to call out
to Lua.
- Calls to `vim.fn.foo()` always marshall over the Lua <=> Vimscript
("typval") bridge, even if `fn.foo()` is implemented entirely in Lua:
```
Lua => typval => Object => Lua => Object => typval => Lua.
```
Solution:
Functions declared in eval.lua with `func_lua` are implemented in
entirely in Lua (`_core/vimfn.lua`).
- `gen_eval.lua` wires `func_lua` entries to `lua_wrapper`, which handles
the typval conversion for Vimscript callers (slow path).
- `nlua_call()` detects `func_lua` functions and calls the Lua
implementation directly. This eliminates all conversion overhead for
Lua callers (fast path).
- Validate at build-time that `func`, `func_float`, and `func_lua` are
mutually exclusive.
- Migrate `hostname()` as a toy example, to show the idea.
Problem: Documentation based on patches is outdated.
Solution: Add changes to documentation in a patch.
853886722c
Trailing space was removed in later patches.
Also fix a few more misplaced error numbers from #8155.
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Problem:
- Choosing a new EXX error code is tedious.
- It's possible to accidentally use an EXX error code for different
purposes.
Solution:
Add a lint check which requires EXX error codes to have a :help tag.
This also avoids duplicates because `make doc` does `:helptags ++t doc`
which fails if duplicates are found.
Problem:
Naming conventions are not automatically checked.
Solution:
Add a check to the doc generator. Eventually we should extract this
somehow, but that will require refactoring the doc generator...
Note: this also checks non-public functions, basically anything that
passes through `gen_eval_files.lua` and `gen_vimdoc.lua`. And that's
a good thing.
Problem: When closing floating windows to close a tabpage, if the current
buffer will unload, buffers contained in those floating windows
will too (unexpectedly).
Solution: Don't pass along "free_buf" argument; check 'bufhidden' for
the buffer in the to be closed float.
Problem:
Several zh_CN translations were marked fuzzy with wrong or placeholder msgstr.
Solution:
Fix fuzzy entries, preserve format specifiers, use full-width punctuation.
Problem: Treesitter highlighting regressed on 32-bit builds because ranges that should cover the whole buffer were corrupted when passed into Lua.
Solution: Round-trip those range values through Lua and validate them so treesitter sees the same ranges on 32 and 64-bit builds.
Problem: repeat_string() can be improved
Solution: Replace the for() loop by an exponential growing while loop
(Yasuhiro Matsumoto)
closes: vim/vim#19977bfa46a52f6
Cherry-pick f_repeat() refactor from patch 9.1.1232.
Co-authored-by: Yasuhiro Matsumoto <mattn.jp@gmail.com>
continues d0af4cd909.
This commit renames positional parameters. This is only "cosmetic", but
is intended to make it extra clear which name is preferred, since people
often copy existing code despite the guidelines in `:help dev-naming`.
In 3a4a66017b, 4d3a67cd62, df8d98173c we renamed "buffer" to "buf"
in dict parameters and return-values.
This commit renames positional parameters. This is only "cosmetic", but
is intended to make it extra clear which name is preferred, since people
often copy existing code despite the guidelines in `:help dev-naming`.
Problem: Wrong cursor position when entering command line window
Solution: Add check_cursor() command to verify the cursor position
(Hirohito Higashi).
When opening the command-line window with CTRL-F after typing a command
that fills the screen width, the cursor was placed past the end of the
line. Add check_cursor() after setting State to MODE_NORMAL so the
cursor is adjusted to the last character.
Also fix the cmdwin prefix character (e.g. ':') being drawn on wrapped
continuation rows. Draw an empty space instead so that the text
alignment is preserved.
closes: vim/vim#19964c4fe1e958a
Cherry-pick Test_wildmenu_pum() changes from patch 9.1.1995.
Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Problem: potential buffer underrun when settings statusline like option
(q1uf3ng)
Solution: Validate that p > out before accessing p[-1]
closes: vim/vim#1996191b402f575
Co-authored-by: Christian Brabandt <cb@256bit.org>
Problem: Wrong autoformatting with 'autocomplete'.
Solution: Don't trigger autoformatting when ending autocompletion
without selecting an item (zeertzjq).
fixes: vim/vim#19954closes: vim/vim#19970efbd482116
Problem:
`gf` and `<cfile>` treat `file:/absolute/path` as a literal path and
open `file:/...` instead of the local file.
Solution:
Strip the local `file:` prefix before path resolution in the hyperlink
path code.
Problem: The cursor shape is changed to indicate when it is behind an
unfocused floating window (since a2b92a5e). This behavior
cannot be controlled by a floating window that doesn't want
to dim the cursor.
Solution: Assign a zindex-offset of 50 to the zindex of the current
window. To not dim the cursor when creating a floating window
on top of the current window one can assign the zindex
accordingly.
Problem:
clang-analyzer-security.PointerSub reports "Subtraction of two pointers
that do not point into the same array is undefined behavior" in the
HIKEY2SFT macro. Computing the offset of a flexible array member by
subtracting pointers from a dummy static object, is technically UB.
Solution:
Use standard `offsetof()` instead.
Co-Authored-By: Claude
Problem: clang 21 added core.FixedAddressDereference, which reports
"dereference of a fixed address (loaded from variable 'r')" in regexp.c
after xmalloc(). The analyzer doesn't model xmalloc as always returning
a valid heap pointer (it aborts on failure), so it constructs impossible
paths.
Solution: Suppress globally in the clang-analyzer cmake target.
Co-Authored-By: Claude
Problem:
clang 21 promoted alpha.security.ArrayBoundV2 to security.ArrayBound
(stable). This new check reports false-positive "out of bound access"
errors in drawline.c and vimscript.c, where the analyzer constructs
impossible paths (e.g. concealed line with draw_text=false yet ptr
advanced past the NUL terminator, or root AST node with a "next"
sibling).
Per-line NOLINT suppression doesn't work because the analyzer finds
multiple paths to the same false positive.
Solution:
Disable clang-analyzer-security.ArrayBound globally in the
clang-analyzer cmake target until the check matures.
Co-Authored-By: Claude
Problem: Attempting to emit cmdline_block event with NULL cmdbuff after
<C-\><C-N> in Ex-mode.
Solution: Don't emit cmdline_block event when cmdbuff is NULL.
Problem:
- Not obvious which _meta/ are generated and which should be edited
manually.
- The require guard (`error('Cannot require a meta file')`) is not
consistently present in all meta files.
Solution:
- Update headers.
- Add require() guard to all meta files.
- Rename generated meta files with `.gen.lua`.
Problem:
- Lots of redundant text in options docs for "not allowed in
a modeline", even though we already have a flag that indicates that.
- `deny_in_modelines` is an old vestigial flag only used by 'encoding'
(which never changes).
Solution:
- Generate docs based on the `secure` flag.
- Remove the `deny_in_modelines` flag (`kOptFlagNoML`).
Problem: compl_preselect_match is set even when completeopt doesn't
include preselect.
Solution: Check kOptCotFlagPreselect in ins_compl_add before setting
compl_preselect_match.
Problem: nfa_regmatch() allocates and frees two list buffers on every
call, causing unnecessary memory allocation overhead for
frequently used patterns.
Solution: Cache the list buffers in the regprog struct and reuse them
on subsequent top-level calls. Recursive calls still allocate
their own buffers. Free cached buffers in nfa_regfree()
(Yasuhiro Matsumoto).
Benchmark: 10K lines, `:%s` x50 iterations
| Pattern | Before | After | Improvement |
|---|---|---|---|
| `\<\(\w\+\%(ing\|tion\|ed\|ly\)\|\w\{3,}\)\>` (many matches) | 4.384s | 4.299s | -2% |
| `\(foo\|bar\|baz\)\{3,}\(qux\|quux\|corge\)\{2,}...` (no match, high nstate) | 16.927s | 3.015s | -82% |
closes: vim/vim#19956105d65e29b
Co-authored-by: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Problem: win_linetabsize() includes wrap overhead from 'linebreak'
based on current window width, but the result sizes the window,
causing a feedback loop.
Solution: Temporarily set w_view_width to Columns before measuring.
