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Subject: bug#59906: 29.0.60;
typescript-ts-mode is not highlighting escape sequences
Date: Thu, 8 Dec 2022 16:04:05 +0100
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In a buffer with typescript-ts-mode activated, write the following code:
const test = "quoted\"string\" contents";
The entire text, include the \" is highlighted as strings, and escape
sequences are not handled:
This code has the following tree-sitter syntax tree:
> (lexical_declaration kind: const
> (variable_declarator name: (identifier) value: =
> (string " (string_fragment) (escape_sequence) (string_fragment)
> (escape_sequence) (string_fragment) "))
> ;)
In typescript-ts-mode we seemingly have rules to handle fontification of
escape sequences:
> :language language
> :feature 'escape-sequence
> :override t
> '((escape_sequence) @font-lock-escape-face))
This feature is however not activated in the major-mode setup:
> (setq-local treesit-font-lock-feature-list
> '((comment declaration)
> (keyword string)
> (constant expression identifier number pattern property)
> (bracket delimiter)))
Naively I assumed that simply adding this feature would activate this
rule, but still \" is fontified as string.
Invalid escape sequences are not highlighted as warnings either (like
they are in json-ts-mode).
Would anyone like to take a stab at this? :)
--
Jostein
In GNU Emacs 29.0.60 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.33, cairo version 1.16.0) of 2022-12-08 built on dev-jostein
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elisp-refs-autoloads magit-autoloads magit-section-autoloads
git-commit-autoloads with-editor-autoloads flycheck-package-autoloads
package-lint-autoloads rust-mode-autoloads yaml-mode-autoloads
macrostep-autoloads lsp-docker-autoloads yaml-autoloads
lsp-mode-autoloads spinner-autoloads f-autoloads hydra-autoloads
nlinum-autoloads ht-autoloads loc-changes-autoloads transient-autoloads
compat-autoloads web-mode-autoloads undo-tree-autoloads queue-autoloads
ace-window-autoloads avy-autoloads bmx-mode-autoloads company-autoloads
test-simple-autoloads js2-mode-autoloads web-autoloads s-autoloads
ido-completing-read+-autoloads memoize-autoloads lv-autoloads
imenu-anywhere-autoloads helm-projectile-autoloads projectile-autoloads
helm-autoloads popup-autoloads helm-core-autoloads async-autoloads
tree-sitter-autoloads tsc-autoloads editorconfig-autoloads
json-mode-autoloads rx json-snatcher-autoloads yasnippet-autoloads
web-completion-data-autoloads cargo-autoloads markdown-mode-autoloads
pfuture-autoloads flycheck-autoloads pkg-info-autoloads epl-autoloads
info dash-autoloads package browse-url url url-proxy url-privacy
url-expand url-methods url-history url-cookie generate-lisp-file
url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq
eieio eieio-core cl-macs password-cache json subr-x map byte-opt gv
bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc iso-transl tooltip
cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type
elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd
fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow
isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax
font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process
emacs)
Memory information:
((conses 16 679481 87371)
(symbols 48 59262 47)
(strings 32 211608 16397)
(string-bytes 1 6867045)
(vectors 16 125808)
(vector-slots 8 2378444 112756)
(floats 8 591 891)
(intervals 56 9416 3545)
(buffers 992 46))
--
*Jostein Kjønigsen*
jostein.kjønigsen.no
jostein@kjonigsen.net - jostein@gmail.com
--------------u69m8a5ByomLf0Sa7ZSfsCKL
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit
In a buffer with typescript-ts-mode activated, write the
following code:
const test = "quoted\"string\" contents";
The entire text, include the \" is highlighted as strings, and
escape sequences are not handled:
This code has the following tree-sitter syntax tree:
(lexical_declaration kind: const
(variable_declarator name: (identifier) value: =
(string " (string_fragment) (escape_sequence)
(string_fragment) (escape_sequence) (string_fragment) "))
;)
In typescript-ts-mode we seemingly have rules to handle
fontification of escape sequences:
:language language
:feature 'escape-sequence
:override t
'((escape_sequence) @font-lock-escape-face))
This feature is however not activated in the major-mode setup:
(setq-local
treesit-font-lock-feature-list
'((comment declaration)
(keyword string)
(constant expression identifier number pattern
property)
(bracket delimiter)))
Naively I assumed that simply adding this feature would activate
this rule, but still \" is fontified as string.
Invalid escape sequences are not highlighted as warnings either
(like they are in json-ts-mode).
Would anyone like to take a stab at this? :)
--
Jostein
In GNU Emacs 29.0.60 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.33, cairo version 1.16.0) of 2022-12-08 built on dev-jostein
Repository revision: 8fb2afe051168b2eac2bba0ee102039d0af90a05
Repository branch: emacs-29
Windowing system distributor 'The X.Org Foundation', version
11.0.12201001
System Description: Ubuntu 22.04.1 LTS
Configured using:
'configure --with-tree-sitter'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ
JPEG
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF
TOOLKIT_SCROLL_BARS
TREE_SITTER X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB
Important settings:
value of $LC_MONETARY: nb_NO.UTF-8
value of $LC_NUMERIC: nb_NO.UTF-8
value of $LC_TIME: nb_NO.UTF-8
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: TypeScript
Minor modes in effect:
global-git-commit-mode: t
magit-auto-revert-mode: t
lsp-diagnostics-mode: t
lsp-headerline-breadcrumb-mode: t
lsp-modeline-workspace-status-mode: t
lsp-modeline-diagnostics-mode: t
lsp-modeline-code-actions-mode: t
electric-pair-mode: t
lsp-completion-mode: t
editorconfig-mode: t
flycheck-mode: t
which-function-mode: t
nlinum-mode: t
company-mode: t
global-ede-mode: t
dap-tooltip-mode: t
dap-ui-many-windows-mode: t
dap-ui-controls-mode: t
dap-ui-mode: t
treemacs-filewatch-mode: t
treemacs-follow-mode: t
treemacs-git-mode: t
treemacs-fringe-indicator-mode: t
dap-auto-configure-mode: t
dap-mode: t
global-undo-tree-mode: t
undo-tree-mode: t
doom-modeline-mode: t
projectile-mode: t
ido-yes-or-no-mode: t
helm-mode: t
helm-minibuffer-history-mode: t
shell-dirtrack-mode: t
helm--remap-mouse-mode: t
async-bytecomp-package-mode: t
delete-selection-mode: t
global-auto-revert-mode: t
server-mode: t
global-hl-line-mode: t
lsp-managed-mode: t
lsp-mode: t
yas-global-mode: t
yas-minor-mode: t
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
column-number-mode: t
line-number-mode: t
auto-fill-function: yas--auto-fill
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
Load-path shadows:
/home/jostein/.emacs.d/elpa/transient-20221202.1727/transient
hides /home/jostein/build/emacs/lisp/transient
Features:
(dired-aux ede/dired magit-extras magit-bookmark magit-submodule
magit-obsolete magit-blame magit-stash magit-reflog magit-bisect
magit-push magit-pull magit-fetch magit-clone magit-remote
magit-commit
magit-sequence magit-notes magit-worktree magit-tag magit-merge
magit-branch magit-reset magit-files magit-refs magit-status magit
magit-repos magit-apply magit-wip magit-log magit-diff smerge-mode
git-commit log-edit pcvs-util magit-core magit-autorevert
magit-margin
magit-transient magit-process with-editor magit-mode transient
magit-git
magit-base magit-section crm compat-27 compat-26 semantic/lex-spp
ede/emacs semantic/db semantic/util-modes semantic/util semantic
semantic/tag semantic/lex semantic/fw mode-local bug-reference
help-fns
radix-tree shadow sort flyspell ispell emacsbug message yank-media
rfc822 mml mml-sec epa derived mm-decode mm-bodies mm-encode
mail-parse
rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
ietf-drums mail-extr helm-command helm-elisp helm-eval
typescript-ts-mode lsp-diagnostics lsp-headerline lsp-icons
lsp-modeline
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cc-styles
cc-align cc-engine cc-vars cc-defs executable misearch
multi-isearch
vc-git diff-mode vc-dispatcher winner ffap disp-table
tramp-archive
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helm-net helm-adaptive helm-info treemacs-bookmarks treemacs-tags
bookmark face-remap add-log lsp-zig lsp-steep lsp-svelte lsp-sqls
lsp-ruby-syntax-tree lsp-yaml lsp-xml lsp-vimscript lsp-vhdl
lsp-volar
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lsp-ttcn3
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lsp-rf
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lsp-php
lsp-pls lsp-perlnavigator lsp-perl lsp-openscad lsp-ocaml
lsp-magik
lsp-nix lsp-nim lsp-nginx lsp-mint lsp-marksman lsp-markdown
lsp-lua
lsp-kotlin lsp-json lsp-javascript lsp-idris lsp-haxe lsp-groovy
lsp-hack lsp-graphql lsp-gleam lsp-go lsp-completion lsp-gdscript
lsp-fsharp lsp-fortran lsp-eslint lsp-erlang lsp-emmet lsp-elixir
lsp-elm lsp-dockerfile lsp-dhall lsp-d lsp-css lsp-csharp gnutls
lsp-crystal lsp-cmake lsp-clojure lsp-semantic-tokens lsp-clangd
lsp-beancount lsp-bash lsp-astro lsp-ansible lsp-angular lsp-ada
lsp-actionscript ido-completing-read+ memoize minibuf-eldef
elisp-slime-nav paredit editorconfig editorconfig-core
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realgud-zshdb
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realgud-trepan3k realgud:trepan3k-track-mode realgud:trepan3k-core
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realgud:trepan2-core realgud:trepan2-init realgud-trepanpl
realgud:trepanpl-track-mode realgud:trepanpl-core
realgud:trepanpl-init
realgud-trepanjs realgud:trepanjs-track-mode realgud:trepanjs-core
realgud:trepanjs-init realgud-lang-js realgud-trepan
realgud:trepan-track-mode realgud:trepan-core realgud:trepan-init
realgud-remake realgud:remake-track-mode realgud:remake-core
realgud:remake-init realgud-rdebug realgud-rdebug-track-mode
realgud-rdebug-core realgud-rdebug-init realgud-lang-ruby
realgud-perldb
realgud:perldb-track-mode realgud:perldb-core realgud:perldb-init
realgud-lang-perl realgud-pdb realgud:pdb-track-mode
realgud:pdb-core
realgud:pdb-init realgud-lang-python python treesit realgud-kshdb
realgud:kshdb-track-mode realgud:kshdb-core realgud:kshdb-init
realgud-gub realgud:gub-track-mode realgud:gub-core
realgud:gub-init
realgud-gdb realgud:gdb-track-mode realgud:gdb-init
realgud:gdb-core
realgud-bashdb realgud:bashdb-track-mode realgud:bashdb-core
realgud:bashdb-init realgud-lang-posix-shell realgud:run
realgud-locals-mode realgud-breakpoint-mode realgud-backtrack-mode
realgud-track-mode realgud-backtrace-mode realgud-attach
realgud-lang-java realgud-track realgud-shortkey realgud-menu
realgud-eval realgud-cmds realgud-send realgud-window
realgud-utils
eshell realgud-init realgud-file realgud-core realgud-reset
realgud-buffer-helper realgud-buffer-breakpoint
realgud-buffer-backtrace
realgud-locals realgud-buffer-locals realgud-buffer-command
realgud-buffer-info realgud-lochist realgud-bp
realgud-bp-image-data
realgud-lang esh-mode esh-cmd esh-ext esh-opt esh-proc esh-io
esh-arg
esh-module esh-groups esh-util cus-start realgud-loc
realgud-buffer-source realgud-key key realgud-follow
realgud-fringe
realgud-helper loc-changes realgud-regexp realgud-custom
load-relative
flycheck highlight-symbol which-func edebug debug backtrace nlinum
linum
company-oddmuse company-keywords company-etags etags fileloop
generator
company-gtags company-dabbrev-code company-dabbrev company-files
company-clang company-capf company-cmake company-semantic
company-template company-bbdb company-web-html company-web
company-css
web-completion-data company eww url-queue shr pixel-fill kinsoku
url-file svg mm-url gnus nnheader gnus-util mail-utils range
mm-util
mail-prsvr ede/speedbar ede/files ede ede/detect ede/base ede/auto
ede/source eieio-base eieio-speedbar speedbar ezimage dframe
eieio-custom cedet dap-mouse dap-ui lsp-treemacs
lsp-treemacs-generic
lsp-treemacs-themes treemacs-treelib treemacs treemacs-header-line
treemacs-compatibility treemacs-mode treemacs-interface
treemacs-persistence treemacs-filewatch-mode treemacs-follow-mode
treemacs-rendering treemacs-annotations treemacs-async
treemacs-workspaces treemacs-dom treemacs-visuals
treemacs-fringe-indicator treemacs-scope pulse treemacs-faces
treemacs-icons treemacs-themes treemacs-core-utils pfuture
treemacs-logging treemacs-customization treemacs-macros gdb-mi
bindat
gud bui bui-list bui-info bui-entry bui-core bui-history
bui-button
bui-utils lsp-lens dap-gdb-lldb dap-netcore dap-node dap-utils dom
xml
dap-pwsh lsp-pwsh dap-python dap-mode dap-tasks dap-launch
lsp-docker
yaml posframe dap-overlays undo-tree diff queue doom-modeline
doom-modeline-segments doom-modeline-env doom-modeline-core
shrink-path
compat compat-macs projectile lisp-mnt grep ibuf-ext ibuffer
ibuffer-loaddefs helm-imenu ob-plantuml org ob ob-tangle ob-ref
ob-lob
ob-table ob-exp org-macro org-src ob-comint org-pcomplete org-list
org-footnote org-faces org-entities ob-emacs-lisp ob-core ob-eval
org-cycle org-table ol org-fold org-fold-core org-keys oc
org-loaddefs
find-func cal-menu calendar cal-loaddefs org-version org-compat
org-macs
ido-yes-or-no advice ido helm-mode helm-misc helm-files
image-dired
image-dired-tags image-dired-external image-dired-util xdg
image-mode
dired dired-loaddefs exif tramp tramp-loaddefs trampver
tramp-integration cus-edit pp cus-load files-x tramp-compat shell
pcomplete parse-time iso8601 time-date ls-lisp helm-buffers
helm-occur
helm-tags helm-locate helm-grep helm-regexp format-spec helm-utils
helm-help helm-types helm helm-global-bindings helm-easymenu
edmacro
kmacro helm-core easy-mmode async-bytecomp helm-source
helm-multi-match
helm-lib async helm-config delsel cl-extra autorevert server
hl-line
lsp-mode lsp-protocol yasnippet help-mode xref project tree-widget
wid-edit spinner pcase network-stream puny nsm markdown-mode color
thingatpt noutline outline icons lv inline imenu ht filenotify f
f-shortdoc shortdoc s ewoc epg rfc6068 epg-config dash
dracula-theme
compile-eslint compile text-property-search comint ansi-osc
ansi-color
ring cl finder-inf tree-sitter-indent-autoloads
expand-region-autoloads
ido-yes-or-no-autoloads nodejs-repl-autoloads
marmalade-client-autoloads
doom-modeline-autoloads elisp-slime-nav-autoloads
multiple-cursors-autoloads dracula-theme-autoloads
git-timemachine-autoloads crontab-mode-autoloads
highlight-symbol-autoloads ssh-config-mode-autoloads
langtool-autoloads
dap-mode-autoloads lsp-treemacs-autoloads treemacs-autoloads
cfrs-autoloads posframe-autoloads gh-autoloads marshal-autoloads
logito-autoloads pcache-autoloads kv-autoloads toml-mode-autoloads
company-web-autoloads shrink-path-autoloads realgud-autoloads
realgud-recursive-autoloads load-relative-autoloads
paredit-autoloads
bui-autoloads tree-sitter-langs-autoloads helpful-autoloads
elisp-refs-autoloads magit-autoloads magit-section-autoloads
git-commit-autoloads with-editor-autoloads
flycheck-package-autoloads
package-lint-autoloads rust-mode-autoloads yaml-mode-autoloads
macrostep-autoloads lsp-docker-autoloads yaml-autoloads
lsp-mode-autoloads spinner-autoloads f-autoloads hydra-autoloads
nlinum-autoloads ht-autoloads loc-changes-autoloads
transient-autoloads
compat-autoloads web-mode-autoloads undo-tree-autoloads
queue-autoloads
ace-window-autoloads avy-autoloads bmx-mode-autoloads
company-autoloads
test-simple-autoloads js2-mode-autoloads web-autoloads s-autoloads
ido-completing-read+-autoloads memoize-autoloads lv-autoloads
imenu-anywhere-autoloads helm-projectile-autoloads
projectile-autoloads
helm-autoloads popup-autoloads helm-core-autoloads async-autoloads
tree-sitter-autoloads tsc-autoloads editorconfig-autoloads
json-mode-autoloads rx json-snatcher-autoloads yasnippet-autoloads
web-completion-data-autoloads cargo-autoloads
markdown-mode-autoloads
pfuture-autoloads flycheck-autoloads pkg-info-autoloads
epl-autoloads
info dash-autoloads package browse-url url url-proxy url-privacy
url-expand url-methods url-history url-cookie generate-lisp-file
url-domsuf url-util mailcap url-handlers url-parse auth-source
cl-seq
eieio eieio-core cl-macs password-cache json subr-x map byte-opt
gv
bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc iso-transl
tooltip
cconv eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type
elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar
dnd
fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow
isearch easymenu timer select scroll-bar mouse jit-lock font-lock
syntax
font-core term/tty-colors frame minibuffer nadvice seq simple
cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang
vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew
greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button
loaddefs
theme-loaddefs faces cus-face macroexp files window
text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget
keymap
hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x multi-tty
make-network-process
emacs)
Memory information:
((conses 16 679481 87371)
(symbols 48 59262 47)
(strings 32 211608 16397)
(string-bytes 1 6867045)
(vectors 16 125808)
(vector-slots 8 2378444 112756)
(floats 8 591 891)
(intervals 56 9416 3545)
(buffers 992 46))
--------------u69m8a5ByomLf0Sa7ZSfsCKL--