Problem: No clear way to check whether parsers are available for a given
language.
Solution: Make `language.add()` return `true` if a parser was
successfully added and `nil` otherwise. Use explicit `assert` instead of
relying on thrown errors.
Problem: Language names are only registered for filetype<->language
lookups when parsers are actually loaded; this means users cannot rely
on `vim.treesitter.language.get_lang()` or `get_filetypes()` to return
the correct value when language and filetype coincide and always need to
add explicit fallbacks.
Solution: Always return the language name as valid filetype in
`get_filetypes()`, and default to the filetype in `get_lang()`. Document
this behavior.
Problem:
EditQuery shows swapfile ATTENTION, but this buffer is not intended for
preservation (and the dialog breaks the UX).
Solution:
Set 'noswapfile' on the buffer before renaming it.
Problem:
checkhealth report sections are not visually separated.
Solution:
Highlight with "reverse".
TODO: migrate checkhealth filetype to use treesitter.
TODO: default :help should also highlight headings more boldy!
**Problem:** `is_ancestor()` uses a slow, bottom-up parent lookup which
has performance pitfalls detailed in #28512.
**Solution:** Take `is_ancestor()` from $O(n^2)$ to $O(n)$ by
incorporating the use of the `child_containing_descendant()` function
Before this PR, the behavior of nvim_paste is:
- When vim.paste() returns false, return false to the client, but treat
following chunks normally (i.e. rely on the client cancelling the
paste as expected).
- When vim.paste() throws an error, still return true to the client, but
drain the following chunks in the stream without calling vim.paste().
There are two problems with such behavior:
- When vim.paste() errors, the client is still supposed to send the
remaining chunks of the stream, even though they do nothing.
- Having different code paths for two uncommon but similar situations
complicates maintenance.
This PR makes both the cancel case and the error case return false to
the client and drain the remaining chunks of the stream, which, apart
from sharing the same code path, is beneficial whether the client checks
the return value of nvim_paste or not:
- If the client checks the return value, it can avoid sending the
following chunks needlessly after an error.
- If the client doesn't check the return value, chunks following a
cancelled chunk won't be pasted on the server regardless, which leads
to less confusing behavior.
Problem:
fnamemodify with the :r flag will not strip extensions if the filename
starts with a ".". This means that files named ".in" could cause an
infinite loop.
Solution:
Add early return if the filename was not changed
Problem:
`vim.fs.dirname([[C:\User\XXX\AppData\Local]])` returns "." on
mingw/msys2.
Solution:
- Check for "mingw" when deciding `iswin`.
- Use `has("win32")` where possible, it works in "fast" contexts since
b02eeb6a72.
In the api_info() output:
:new|put =map(filter(api_info().functions, '!has_key(v:val,''deprecated_since'')'), 'v:val')
...
{'return_type': 'ArrayOf(Integer, 2)', 'name': 'nvim_win_get_position', 'method': v:true, 'parameters': [['Window', 'window']], 'since': 1}
The `ArrayOf(Integer, 2)` return type didn't break clients when we added
it, which is evidence that clients don't use the `return_type` field,
thus renaming Dictionary => Dict in api_info() is not (in practice)
a breaking change.
**Problem:** Top-level anonymous nodes are not being checked by the
query linter
**Solution:** Check them by adding them to the top-level query
This commit also moves a table construction out of the match iterator so
it is run less frequently.
Problem:
Node.js provider (optional) ~
- ERROR Failed to run healthcheck for "provider.node" plugin. Exception:
…/runtime/lua/provider/node/health.lua:9: attempt to call field 'provider_disabled' (a nil value)
Perl provider (optional) ~
- ERROR Failed to run healthcheck for "provider.perl" plugin. Exception:
…/runtime/lua/provider/perl/health.lua:8: attempt to call field 'provider_disabled' (a nil value)
Python 3 provider (optional) ~
- ERROR Failed to run healthcheck for "provider.python" plugin. Exception:
…/runtime/lua/provider/python/health.lua:226: attempt to call field 'provider_disabled' (a nil value)
Ruby provider (optional) ~
- ERROR Failed to run healthcheck for "provider.ruby" plugin. Exception:
…/runtime/lua/provider/ruby/health.lua:9: attempt to call field 'provider_disabled' (a nil value)
Solution:
Add these files to the runtime sanity check.
fix#29302
Problem:
User cannot configure the tool used by `vim.ui.open` (or `gx`). With
netrw this was supported by `g:netrw_browsex_viewer`.
Solution:
Introduce `opts.cmd`. Users that want to set this globally can
monkey-patch `vim.ui.open` in the same way described at `:help vim.paste()`.
Fixes https://github.com/neovim/neovim/issues/29488
Co-authored-by: Justin M. Keyes <justinkz@gmail.com>
Problem: inconsistent case sensitive extension matching
Solution: unify case sensitive extension matching (Evgeni Chasnovski).
There are different approaches of how extensions are matched with
respect to case sensitivity. In particular, '\c' flag is used in pattern
whereas in most places case sensitive matching is guarded behind
`has("fname_case")` condition.
Replace all instances of '\c' with an explicit case sensitive pattern
variants guarded by `has("fname_case")`. Strictly speaking, this is a
breaking change because only two (most common and prevailingly tested)
variants are now matched: upper first letter and upper all letters.
closes: vim/vim#15672https://github.com/vim/vim/commit/59b089c9df238ce940b3c593295bc511e201399a
Co-authored-by: Evgeni Chasnovski <evgeni.chasnovski@gmail.com>
Problem:
The LSP omnifunc can insert nil bytes, which when read in other places
(like semantic token) could cause an error:
semantic_tokens.lua:304: Vim:E976: Using a Blob as a String
Solution:
Use `#line` instead of `vim.fn.strlen(line)`. Both return UTF-8 bytes
but the latter can't handle nil bytes.
Completion candidates can currently insert nil bytes, if other parts of
Alternative fix to https://github.com/neovim/neovim/pull/30359
Note that https://github.com/neovim/neovim/pull/30315 will avoid the
insertion of nil bytes from the LSP omnifunc, but the change of this PR
can more easily be backported.
**Problem:** `vim.treesitter.get_parser` will throw an error if no parser
can be found.
- This means the caller is responsible for wrapping it in a `pcall`,
which is easy to forget
- It also makes it slightly harder to potentially memoize `get_parser`
in the future
- It's a bit unintuitive since many other `get_*` style functions
conventionally return `nil` if no object is found (e.g. `get_node`,
`get_lang`, `query.get`, etc.)
**Solution:** Return `nil` if no parser can be found or created
- This requires a function signature change, and some new assertions in
places where the parser will always (or should always) be found.
- This commit starts by making this change internally, since it is
breaking. Eventually it will be rolled out to the public API.
Ensure that the function `pick_call_hierarchy_item` correctly handles
the case where `call_hierarchy_items` is nil or an empty table. This
prevents potential errors when the function is called with no items.
Problem:
str_utfindex_enc could return an error if the index was longer than the
line length. This was handled in each of the calls to it individually
Solution:
* Fix the call at the source level so that if the index is higher than
the line length, utf length is returned
Problem: vim.tbl_deep_extend had an undocumented feature where arrays
(integer-indexed tables) were not merged but compared literally (used
for merging default and user config, where one list should overwrite the
other completely). Turns out this behavior was relied on in quite a
number of plugins (even though it wasn't a robust solution even for that
use case, since lists of tables (e.g., plugin specs) can be array-like
as well).
Solution: Revert the removal of this special feature. Check for
list-like (contiguous integer indices) instead, as this is closer to the
intent. Document this behavior.
Problem:
str_byteindex_enc could return an error if the index was longer than the
lline length. This was handled in each of the calls to it individually
Solution:
* Fix the call at the source level so that if the index is higher than
the line length, line length is returned as per LSP specification
* Remove pcalls on str_byteindex_enc calls. No longer needed now that
str_byteindex_enc has a bounds check.
- The exclusion of lists was never justified in the commit history and is
the wrong thing to do for a function that deals with tables.
- Move the error checks out of the recursive path.
Fixes#23654
Christian Clason