Problem: hlgroup2dict passes &ns_id to ns_get_hl twice. The first call
(link=true) sets *ns_hl = 0 when link_global is set, so the second call
and the sg_cleared guard both see ns_id == 0 and bail out. The group is
silently dropped from the result.
Solution: use a temporary copy of ns_id for each ns_get_hl call so the
original value is preserved.
Problem: Breaking a link with update=true loses colors inherited from
the linked group.
Solution: Copy color indices from the linked group so inherited colors
remain visible in :hi output.
Problem:
`:help dev-name-common` states that "buf" should be used instead of
"buffer" but there are cases where buffer is mentioned in the lua API.
Solution:
- Rename occurrences of "buffer" to "buf" for consistency with the
documentation.
- Support (but deprecate) "buffer" for backwards compatibility.
Co-authored-by: Justin M. Keyes <justinkz@gmail.com>
Problem: nvim_clear_autocmds() does not type check "event" correctly, and also
treats an empty array "event" like nil.
Solution: fix type checking. Treat empty array "event" as a no-op, like
nvim_exec_autocmds(). Add some extra tests.
Likewise the nil handling change may be considered breaking if anyone
(unintentionally) relied on that. It was also true that integer, function, etc.
"event"s would also be treated like nil!
Note that an empty string "event" is still an error, as that's must be an exact
match on an event name.
Problem: nvim_exec_autocmds() documentation incorrectly describes the default
for "pattern" as *, when it's actually the current file name (like :doautocmd).
Solution: correct it. Add a test.
Problem: in autocmd APIs, a non-nil "pattern" containing only empty
'sub'-patterns is silently treated as nil, causing the fallback value to be
unexpectedly used instead.
Solution: for nvim_create_autocmd(), raise a validation error (as no autocmds
would be created). For nvim_{exec,clear}_autocmds(), make it a no-op (as
matching no autocmds is not an error).
Problem:
On exit, rpc_free() is called when processing main_loop.events after
libuv calls close callbacks of the channel's stream. However, when there
are no child processes, these libuv callbacks are called in loop_close()
instead of proc_teardown(), and main_loop.events isn't processed after
loop_close(). As a result, calling remote_ui_disconnect() in rpc_free()
causes UILeave to depend on the presence of child processes.
Solution:
Always call remote_ui_disconnect() in rpc_close_event(), and remove the
call in rpc_free().
Problem: setting one underline style to false clears bits belonging
to another style. `{underdouble = true, underdashed = false}` results
in undercurl because CHECK_FLAG_WITH_KEY does `m &= ~flag` which
doesn't work for multi-bit encoded values sharing HL_UNDERLINE_MASK.
Solution: use a local variable to derive the correct clear mask from
the flag. Clear the whole HL_UNDERLINE_MASK field instead of individual
bits, and only clear on false when the current style actually matches.
Problem: nvim_set_hl always replaces all attributes.
Solution: Add update field. When true, merge with existing
attributes instead of replacing. Unspecified attributes are preserved.
If highlight group doesn't exist, falls back to reset mode.
Problem:
`nvim_echo(…, {id=…})` accepts user-defined id as a string or integer.
Generated ids are always higher than last highest msg-id used. Thus
plugins may accidentally advance the integer id "address space", which,
at minimum, could lead to confusion when troubleshooting, or in the
worst case, could overflow or "exhaust" the id address space.
There's no use-case for it, and it could be the mildly confusing, so we
should just disallow it.
Solution:
Disallow *integer* user-defined message-id.
Only allow *string* user-defined message-id.
Problem:
nvim_get_option_value with "filetype" set silently returns incorrect
defaults if autocommands are blocked, like when they're already running.
Solution:
Allow its FileType autocommands to nest: `do_filetype_autocmd(force=true)`.
Also error if executing them fails, rather than silently return wrong defaults.
Endless nesting from misbehaving scripts should be prevented by the recursion
limit in apply_autocmds_group, which is 10.
Problem: nvim_open_tabpage's "enter" argument is optional, which is inconsistent
with nvim_open_win.
Solution: make it a (non-optional) positional argument, like nvim_open_win.
Also change "enter"'s description to be more like nvim_open_win's doc.
Problem: "after" in nvim_open_tabpage is inconsistent with how a count works
with :tab, :tabnew, etc. Plus, the name "after" implies it's inserted after that
number.
Solution: internally offset by 1. Allow negative numbers to mean after current.
Hmm, should we even reserve sentinels for after current? Callers can probably
just use nil...
- Cleanup, remove redundant comments, add more tests.
- Enhance win_new_tabpage rather than create a new function for !enter, and use
a different approach that minimizes side-effects. Return the tabpage_T * and
first win_T * it allocated.
- Disallow during textlock, like other APIs that open windows.
- Remove existing win_alloc_firstwin error handling from win_new_tabpage; it's
not needed, and looks incorrect. (enter_tabpage is called for curtab, which is
not the old tabpage! Plus newtp is not freed)
- Fix checks after creating the tabpage:
- Don't fail if buf wasn't set successfully; the tab page may still be valid
regardless. Set buffer like nvim_open_win, possibly blocking Enter/Leave
events. (except BufWinEnter)
- tp_curwin may not be the initial window opened by win_new_tabpage. Use the
win_T * it returns instead, which is the real first window it allocated,
regardless of autocmd shenanigans.
- Properly check whether tab page was freed; it may have also been freed
before win_set_buf. Plus, it may not be safe to read its handle!
Problem: "win" is allowed in external window configs in some cases. External
window converted to normal float can't move tabpages in one nvim_win_set_config
call. External window can't be turned into a normal split.
Solution: disallow setting "win" for external windows. Allow external window to
move tabpages, which turns it non-external. Allow external window to be turned
into a (non-external) split.
parse_win_config has more validation issues from not considering the window's
existing config enough (not from this PR). For example, zindex can be set for an
existing split if "split"/"vertical" isn't given, despite intending for that to
be an error. Plus the logic is confusing.
It could do with a refactor at some point...
Problem: more cases where it may not be safe to move a window between tabpages.
Solution: check them.
Rather speculative... I haven't spend much time looking, but I didn't find
existing code that sets these locks to skip checking win_valid. (what I did find
called it anyway, like in win_close) Still, I think it's a good precaution for
what future code might do.
If the fact that nvim_win_set_config *actually* moves windows between tabpages
causes unforeseen issues, "faking" it like ":wincmd T" may be an alternative:
split a new window, close the old one, but instead also block autocmds, copy the
old window's config, and give it its handle?
Problem: converting a split to a floatwin may not remove the last statusline
when needed. (e.g: 'ls' is 1)
Solution: call last_status/win_comp_pos in win_new_float, after win_remove.
Also fix float_pos formatting for screen snapshots so it doesn't give a nil
error for external windows.
Not an issue from this PR.
Problem: only possible to move floats between tabpages if relative=win, which
has the restrictive effect of also anchoring it to the target window.
Solution: allow "win" without "relative" or "split"/"vertical". Only assume
missing "win" is 0 if relative=win is given to maintain that behaviour. (or when
configuring a new window)
Also add an error when attempting to change a split into a float that's in
another tabpage, as this isn't actually supported yet. (until the next commit)
Maybe this could do with some bikeshedding. Unclear if "win" should require
"relative" to be given, like with "row"/"col"; this can be annoying though as
specifying "relative" requires other fields to be given too.
- Factor out logic to keep nvim_win_set_config clean.
- Clean up a few things, remove redundant logic, reflow some lines.
- Add some more comments where appropriate.
- Don't consider negative "win", as that's only relevant for splits.
- Add more test coverage.
- Add news.txt entry.
Problem: nvim_win_set_config can't move floating windows to different tab pages.
Solution: allow it.
Co-authored-by: Sean Dewar <6256228+seandewar@users.noreply.github.com>
Problem: nvim_parse_cmd rejects valid commands like `:1` (range-only)
or `aboveleft` (modifier-only).
Solution: allow empty command when range or modifiers exist, and handle
execution using existing range command logic.
Problem:
In autocmd examples, using "args" as the event-object name is vague and
may be confused with a user-command.
Solution:
Use "ev" as the conventional event-object name.
Problem:
When stopping a PTY process on Windows, the exit code indicates that the
process is stopped by SIGTERM even when closing all streams is enough to
terminate the process. This is inconsistent with other platforms.
Solution:
Set exit_signal to SIGHUP instead of SIGTERM when using SIGHUP.
Problem:
Exit code in :terminal channel test depends on whether the shell or Nvim
TUI in the terminal has registered its SIGHUP handler when jobstop() is
called.
Solution:
Don't use a shell as shells on different systems may handle SIGHUP
differently. Add a screen:expect() to wait for the TUI to start.
Problem: Exception error message only prints the first chunk of a
multi-chunk nvim_echo() message.
Solution: Concatenate consecutive message chunks in the exception
message list.
Problem:
When a terminal process exits, "[Process Exited]" text is added
to the buffer contents.
Solution:
- Return `exitcode` field from `nvim_get_chan_info`.
- Show it in the default 'statusline'.
- Show exitcode as virtual text in the terminal buffer.
Problem:
There is an inconsistency between extmarks/highlights regarding the
`end_col` param.
Solution:
Allow end_col=-1 to mean "end of line" (if strict=false).
Co-authored-by: Justin M. Keyes <justinkz@gmail.com>
Problem: nvim_win_set_config may raise unnecessary errors when not moving a
split.
Solution: skip checks related to moving when only maybe resizing a split.
Problem: No explicit redraw after setting style=minimal in nvim_open_win or
nvim_win_set_config, which may cause it to appear like it's not set.
Solution: call changed_window_setting after applying the style, which should be
enough for these options.
Problem: nvim_win_set_config may merge configs despite failing to configure a
split, and without applying necessary side-effects (like setting style=minimal
options). Plus, autocommands may apply a different config after the merge,
causing side-effects to apply for an outdated config.
Solution: merge configs last, only on success. Include fields only relevant to
splits. Properly set _cmdline_offset for splits.
Maybe better to disallow _cmdline_offset for splits instead, as the pum is
relative to cmdline_row anyway? (I didn't want to change behaviour too much)
Also use expect_unchanged in an unrelated test to quash a warning.
Problem: nvim_win_set_config with style="minimal" does not take immediate effect
when a split is not moved.
Solution: don't skip nvim_win_set_config's epilogue when only a resize may be
needed. De-duplicate resize logic and remove unnecessary redraw. (win_set*_win
already handles that)
Problem: Calling nvim_set_hl() with url= crashes because it tries to
free arena-owned string memory.
Solution: Remove the bad free and return a validation error instead.
Problem: nvim_win_get_config() does not return a window's "style".
Solution: always include it, and document `style=""`.
Always included so it can be used reciprocally with nvim_open_win() or
nvim_win_set_config(). (otherwise the config of a window with kWinStyleUnused
will not unset the kWinStyleMinimal style of another window if passed to
nvim_win_set_config, for example)
Problem: Leading message newlines (not emitted with ext_messages since
4260f73) were responsible for resetting the redirection message
column (while the newline itself is later pruned...).
Solution: Ensure the redirection column is reset at the start of a message.
(Instead of re-adjusting all the newline callsites which can
themselves hopefully be pruned if ext_messages is enabled by
default.)
Problem:
TUI does not support several standard SGR text attributes:
- dim/faint (SGR 2)
- blink (SGR 5)
- conceal (SGR 8)
- overline (SGR 53)
This means that when a program running in the embedded terminal emits
one of these escape codes, we drop it and don't surface it to the
outer terminal.
Solution:
- Add support for those attributes.
- Also add corresponding flags to `nvim_set_hl` opts, so users can set
these attributes in highlight groups.
- refactor(highlight): widen `HlAttrFlags` from `int16_t` to `int32_t`
Widen the `rgb_ae_attr` and `cterm_ae_attr` fields in HlAttrs from
int16_t to int32_t to make room for new highlight attribute flags,
since there was only one spare bit left.
- The C flag is named HL_CONCEALED to avoid colliding with the
existing HL_CONCEAL in syntax.h (which is a syntax group flag, not
an SGR attribute).
- Also note that libvterm doesn't currently support the dim and overline
attributes, so e.g. `printf '\e[2mThis should be dim\n'` and `printf
'\e[53mThis should have an overline\n'` are still not rendered
correctly when run from the embedded terminal.
Define a CMake target for every subdirectory of test/functional that
contains functional tests, and a functionaltest_parallel target that
depends on all those targets, allowing multiple test runners to run in
parallel.
On CI, use at most 2 parallel test runners, as using more may increase
system load and make tests unstable.
