* lisp/vc/vc-hooks.el (vc-find-backend-function): Require vc for
default implementations (bug#80254). Report and fix due to
Daniel Mendler <mail@daniel-mendler.de>.
* lisp/progmodes/make-mode.el (makefile-make-font-lock-keywords)
(makefile-makepp-font-lock-keywords): Use `font-lock-*-face`
faces rather than variables.
* lisp/progmodes/project.el: Describe the new cache in Commentary,
the "VC-aware project" section.
(project-vc-cache-timeout)
(project-vc-non-essential-cache-timeout): New variables.
(project--get-cached, project--set-cached):
New functions.
(project-try-vc, project--value-in-dir): Use them.
(project--read-dir-locals): New function, extracted from the
above. Return the full alist, to be saved to cache at once.
(project--clear-cache): New function.
(project-remember-projects-under)
(project-forget-zombie-projects, project-forget-projects-under):
Use it.
(project-uniquify-dirname-transform, project-mode-line-format):
Bind 'non-essential' to choose the longer caching strategy.
(project-name-cache-timeout, project-name-cached): Remove.
(project-mode-line-format): Switch to calling 'project-name'
directly, with the new caching in use.
Co-authored-by: Juri Linkov <juri@linkov.net>
* lisp/progmodes/project.el (project--remove-from-project-list):
Don't call 'abbreviate-file-name', expect it to be abbreviated
already. The file might be on an inaccessible filesystem.
(project-current): Call abbreviate-file-name here (bug#80340).
This is an alternative language server for Haskell. Intended to be
faster and not use as much memory as haskell-language-server.
Making it a backup with lower precedence if both exist.
* lisp/progmodes/eglot.el (eglot-server-programs): Add "static-ls".
(Bug#80351)
* lisp/progmodes/python.el
(python-shell-get-project-name): New function.
(python-shell-get-process-name): Use it. (Bug#80045)
Co-authored-by: Liu Hui <liuhui1610@gmail.com>
* lisp/progmodes/etags.el (etags--xref-backend):
Move the definition to autoloads, so that etags.el doesn't have to
be loaded before it really is used.
* lisp/progmodes/xref.el (xref-find-backend):
Allow returning nil (bug#43086).
(xref-backend-definitions, xref-backend-apropos):
Signal user-error when no backend is available. The error text
suggests a few built-in Xref backends.
(xref-backend-identifier-completion-table): Default to nil.
(xref--no-backend-available): New helper function.
* lisp/progmodes/etags.el (etags--xref-backend):
Return nil when no tags table is visited.
Just because a specific request of a specific "hint" is
cancelled doesn't mean we can cancel the other's too. Also
eglot-advertise-cancellation = nil was subtly broken.
This manifested itself mostly in Eglot semantic tokens.
* lisp/progmodes/eglot.el (eglot--async-request): Fix thinkos.
* lisp/progmodes/elisp-mode.el (elisp-byte-code-syntax-propertize):
Reset point to just after the start of the previous match so that we
don't skip past the end of the lazy string, which can happen if it's
zero-length; that could lead to an infinite loop.
This is exclusively for the benefit of rust-analyzer, which
sends publishDiagnostics for all project files upfront, and
never republishes them on 'didOpen'.
See https://github.com/joaotavora/eglot/issues/1531.
* lisp/progmodes/eglot.el (eglot--flymake-handle-push): Simplify.
Don't flymake-list-only-diagnostics here.
Save original diagnostic in flymake-list-only-diagnostics setting.
(eglot--on-shutdown): Cleanup flymake-list-only-diagnostics.
(eglot--flymake-report-push+pulled): Hack in data from
flymake-list-only-diagnostics.
* lisp/progmodes/xref.el (xref--parse-hits, xref--sort-hits):
Extract from xref-matches-in-directory and xref-matches-in-files.
Use in both for better consistency between these functions.
Optionally use find and grep directly instead of going through the
Semantic framework (bug#80246).
* lisp/progmodes/project.el (project--vc-ignores): Require 'vc' to
ensure that vc-default-ignore-completion-table is available.
* lisp/progmodes/xref.el (xref-references-in-directory-function):
New user option.
(xref-references-in-directory): Call it.
(xref-references-in-directory-grep): Implementation based on find/grep.
(xref-references-in-directory-semantic): Implementation using Semantic.
(xref-matches-in-directory): Add new argument DELIMITED.
Co-authored-by: Dmitry Gutov <dmitry@gutov.dev>
* lisp/progmodes/eglot.el (eglot--format-server-message): New helper.
(eglot-handle-notification<window/showMessage>)
(eglot-handle-request<window/showMessageRequest>): Use it.
* lisp/progmodes/python.el (python-ts-mode):
Set 'treesit-sexp-thing-down-list' to 'list' to override
sexp navigation with list navigation (bug#72478).
* lisp/emacs-lisp/lisp.el (up-list): Mention 'up-list-function' in docstring.
* lisp/progmodes/json-ts-mode.el (json-ts--get-path-at-node)
(json-ts--path-to-jq, json-ts--path-to-python): New functions.
(json-ts-jq-path-at-point): New command for getting JSON path at point.
* test/lisp/progmodes/json-ts-mode-tests.el: New file.
Add tests for the utility command.
* etc/NEWS: Announce new command 'json-ts-jq-path-at-point' (bug#80190).
Some language servers request file watching for a very large number of
directories (e.g. Python virtualenvs), which can exhaust system
resources and cause slow startup.
https://github.com/joaotavora/eglot/issues/1568
* lisp/progmodes/eglot.el (eglot-max-file-watches): New variable.
(eglot--count-file-watches): New function.
(eglot--watch-globs): Use them to limit watches. Signal jsonrpc-error
when limit is reached.
(eglot-watch-files-outside-project-root): Fix docstring punctuation.
* etc/EGLOT-NEWS: Mention change.
Now also accepts file operation kinds as keys in the alist form.
* lisp/progmodes/eglot.el (eglot-confirm-server-edits): Rework
default value, docstring and defcustom type.
(eglot--confirm-server-edits): Also check for operation-kind-based
entries.
The current 2026 landscape suggests servers (especially gopls
and ocamllsp) take advantage of this, so let's give it to them
by default.
* lisp/progmodes/eglot.el (eglot-advertise-cancellation):
Default to t.
* etc/EGLOT-NEWS: Mention change.
If the user simply C-g's signal a 'jsonrpc-error' with code 32000 to
mean "no error", provide an LSP :failureReason and keep server chill.
* lisp/progmodes/eglot.el (eglot-handle-request<workspace/applyEdit>>):
Else, if the server asks us a question, the user has just 10
seconds to ponder, which is a bit silly.
* lisp/progmodes/eglot.el (eglot-execute): Pass timeout=nil to
eglot--request.
Previously, the default answer pre-filled in the minibuffer was
obscuring the other possible answers.
* lisp/progmodes/eglot.el
(eglot-handle-request<window/showMessageRequest>): Rework.
It was completely broken, with a cancel being set for every sent (and
probably already received) async request, and no actual discarding
of the response of a cancelled request.
* lisp/progmodes/eglot.el (eglot--async-request): Fix cancellation
of async requests.
(eglot--semtok-request): Don't need 'buf' &aux anymore.
Using 'user-error' in 'hs-minor-mode', prevents the major-mode
from initializing correctly when hideshow is not supported in
that mode, using 'message' instead fixes this.
* lisp/progmodes/hideshow.el (hs-minor-mode): Tweak.
'python-shell-get-process' is frequently called from
'python-eldoc--get-doc-at-point' and etc., invoking
'project-current' unless there is a buffer-specific Inferior
Python process. When the buffer is a remote buffer not
belonging to any project and has significant latency,
'project-current' may take a long time. To avoid this,
implement a process cache in 'python-shell-get-process'.
* lisp/progmodes/python.el (python-shell--process-cache)
(python-shell--process-cache-valid): New variables.
(python-shell--invalidate-process-cache): New function.
(python-shell-make-comint): Add a call to the above function.
(python-shell-get-process): Add process cache. (Bug#80045)
