nvim-treesitter/queries/foam/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

;; Comments
(comment) @comment @spell
;; Generic Key-value pairs and dictionary keywords
(key_value
keyword: (identifier) @function
)
(dict
key: (identifier) @type
)
;; Macros
(macro
"$" @keyword.conditional
(prev_scope)* @keyword.conditional
(identifier)* @module
)
;; Directives
"#" @keyword.conditional
(preproc_call
directive: (identifier)* @keyword.conditional
argument: (identifier)* @module
)
((preproc_call
argument: (identifier)* @module) @keyword.conditional
(#eq? @keyword.conditional "ifeq"))
((preproc_call) @keyword.conditional
(#any-of? @keyword.conditional "else" "endif"))
;; Literals
(number_literal) @number.float
(string_literal) @string
(escape_sequence) @string.escape
(boolean) @boolean
;; Treat [m^2 s^-2] the same as if it was put in numbers format
(dimensions dimension: (identifier) @number.float)
;; Punctuation
[
"("
")"
"["
"]"
"{"
"}"
"#{"
"#}"
"|-"
"-|"
"<!--("
")-->"
"$$"
] @punctuation.bracket
";" @punctuation.delimiter
((identifier) @constant.builtin
(#any-of? @constant.builtin "uniform" "non-uniform" "and" "or"))