nvim-treesitter/queries/markdown_inline/highlights.scm
Christian Clason 1ae9b0e455 feat!: align standard captures with upstream
Problem: Sharing highlight queries with upstream tree-sitter and
Helix is difficult.

Solution: Where reasonable, use capture names in tree-sitter's standard
list or Helix's Atom-style hierarchy.

Specifically:

* tree-sitter "standard capture names"
  (3f44b89685/highlight/src/lib.rs (L20-L72)):

  - `@parameter` -> `@variable.parameter`
  - `@field` -> `@variable.member`
  - `@namespace` -> `@module`
  - `@float` -> `@number.float`
  - `@symbol` -> `@string.special.symbol`
  - `@string.regex` -> `@string.regexp`
  - `@text.*` -> `@markup.*` (`strong`, `italic`, `link`, `strikethrough`; with exceptions; see below)
  - `@text.title` -> `@markup.heading`
  - `@text.literal` -> `@markup.raw`
  - `@text.reference` -> `@markup.link`
  - `@text.uri` -> `@markup.link.url` (in markup links)
  - `@string.special` -> `@markup.link.label` (non-url links)
  - `@punctuation.special` -> `@markup.list` (markdown lists only; move subitems from `@text.todo`)

* Helix captures
  (https://docs.helix-editor.com/master/themes.html#syntax-highlighting):

  - `@method` -> `@function.method`
  - `@method.call` -> `@function.method.call`
  - `@text.{todo,warning,note,danger}` -> `@comment.{error,warning,hint,info,todo}`
  - `@text.diff.{add,delete,}` -> `@diff.{plus,minus,delta}`
  - `@text.uri` -> `@string.special.url` (outside markup)
  - `@preproc` -> `@keyword.directive`
  - `@define` -> `@keyword.directive`(`.define`?)
  - `@storageclass` -> `@keyword.storage`
  - `@conditional` -> `@keyword.conditional`
  - `@debug` -> `@keyword.debug`
  - `@exception` -> `@keyword.exception`
  - `@include` -> `@keyword.import`
  - `@repeat` -> `@keyword.repeat`

* cleanup

  - remove some redundant `@conceal` (but still allow it for conceal-only patterns)
  - remove obsolete `@error` (syntax linting is out of scope for this repo)
  - sort, cleanup capture list in `CONTRIBUTING.md`
2024-01-19 16:58:37 +01:00

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Scheme

;; From MDeiml/tree-sitter-markdown
(code_span) @markup.raw @nospell
(emphasis) @markup.italic
(strong_emphasis) @markup.strong
(strikethrough) @markup.strikethrough
[
(link_destination)
(uri_autolink)
] @markup.link.url @nospell
(shortcut_link (link_text) @nospell)
[
(link_label)
(link_text)
(link_title)
(image_description)
] @markup.link.label
[
(backslash_escape)
(hard_line_break)
] @string.escape
; Conceal codeblock and text style markers
((code_span_delimiter) @markup.raw
(#set! conceal ""))
((emphasis_delimiter) @markup.strong
(#set! conceal ""))
; Conceal inline links
(inline_link
[
"["
"]"
"("
(link_destination)
")"
] @markup.link
(#set! conceal ""))
; Conceal image links
(image
[
"!"
"["
"]"
"("
(link_destination)
")"
] @markup.link
(#set! conceal ""))
; Conceal full reference links
(full_reference_link
[
"["
"]"
(link_label)
] @markup.link
(#set! conceal ""))
; Conceal collapsed reference links
(collapsed_reference_link
[
"["
"]"
] @markup.link
(#set! conceal ""))
; Conceal shortcut links
(shortcut_link
[
"["
"]"
] @markup.link
(#set! conceal ""))
;; Replace common HTML entities.
((entity_reference) @character.special (#eq? @character.special " ") (#set! conceal ""))
((entity_reference) @character.special (#eq? @character.special "&lt;") (#set! conceal "<"))
((entity_reference) @character.special (#eq? @character.special "&gt;") (#set! conceal ">"))
((entity_reference) @character.special (#eq? @character.special "&amp;") (#set! conceal "&"))
((entity_reference) @character.special (#eq? @character.special "&quot;") (#set! conceal "\""))
((entity_reference) @character.special (#any-of? @character.special "&ensp;" "&emsp;") (#set! conceal " "))