nvim-treesitter/queries/tiger/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

; Built-ins {{{
((function_call
function: (identifier) @function.builtin)
(#any-of? @function.builtin "chr" "concat" "exit" "flush" "getchar" "not" "ord" "print" "print_err" "print_int" "size" "strcmp" "streq" "substring")
; FIXME: not supported by neovim
; (#is-not? local)
)
((type_identifier) @type.builtin
(#any-of? @type.builtin "int" "string" "Object")
; FIXME: not supported by neovim
; (#is-not? local)
)
((identifier) @variable.builtin
(#eq? @variable.builtin "self")
; FIXME: not supported by neovim
; (#is-not? local)
)
; }}}
; Keywords {{{
[
"function"
"primitive"
"method"
] @keyword.function
[
"do"
"for"
"to"
"while"
] @keyword.repeat
"new" @keyword.operator
"import" @keyword.import
[
"array"
(break_expression)
"else"
"end"
"if"
"in"
"let"
"of"
"then"
"type"
"var"
"class"
"extends"
"_cast"
"_chunks"
"_exp"
"_lvalue"
"_namety"
] @keyword
; }}}
; Operators {{{
(operator) @operator
[
","
";"
":"
"."
] @punctuation.delimiter
[
"("
")"
"["
"]"
"{"
"}"
] @punctuation.bracket
; }}}
; Functions and methods {{{
(function_call
function: (identifier) @function)
(function_declaration
name: (identifier) @function)
(primitive_declaration
name: (identifier) @function)
(method_call
method: (identifier) @function.method)
(method_declaration
name: (identifier) @function.method)
(parameters
name: (identifier) @variable.parameter)
; }}}
; Declarations {{{
(import_declaration
file: (string_literal) @string.special.path)
; }}}
; Literals {{{
(nil_literal) @constant.builtin
(integer_literal) @number
(string_literal) @string
(escape_sequence) @string.escape
; }}}
; Misc {{{
(comment) @comment @spell
(type_identifier) @type
(field_identifier) @property
(identifier) @variable
; }}}
; vim: sw=2 foldmethod=marker