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165 lines
3.4 KiB
Scheme
165 lines
3.4 KiB
Scheme
; ----------------------------------------------------------------------------
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; Record fields would need to come before literal strings in order to be captured correctly
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(record_accessor
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field: [ (variable)
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(string)
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(triple_quote_string)
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] @variable.other.member)
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(exp_record_access
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field: [ (variable)
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(string)
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(triple_quote_string)
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] @variable.other.member)
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; ----------------------------------------------------------------------------
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; Literals and comments
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(integer) @constant.numeric.integer
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(exp_negation) @constant.numeric.integer
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(exp_literal (number)) @constant.numeric.float
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(char) @constant.character
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[
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(string)
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(triple_quote_string)
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] @string
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(comment) @comment
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; ----------------------------------------------------------------------------
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; Punctuation
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[
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"("
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")"
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"{"
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"}"
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"["
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"]"
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] @punctuation.bracket
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[
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(comma)
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";"
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] @punctuation.delimiter
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; ----------------------------------------------------------------------------
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; Keywords, operators, includes
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; This needs to come before the other "else" in
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; order to be highlighted correctly
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(class_instance "else" @keyword)
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[
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"if"
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"then"
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"else"
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"case"
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"of"
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] @keyword.control.conditional
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[
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"import"
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"module"
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] @keyword.control.import
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[
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(operator)
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(constructor_operator)
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(type_operator)
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(qualified_module) ; grabs the `.` (dot), ex: import System.IO
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(all_names)
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; `_` wildcards in if-then-else and case-of expressions,
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; as well as record updates and operator sections
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(wildcard)
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"="
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"|"
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"::"
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"∷"
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"=>"
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"⇒"
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"<="
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"⇐"
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"->"
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"→"
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"<-"
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"←"
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"\\"
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"`"
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"@"
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] @operator
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(qualified_module (module) @constructor)
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(module) @namespace
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(qualified_type (module) @namespace)
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(qualified_variable (module) @namespace)
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(import (module) @namespace)
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[
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(where)
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"let"
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"in"
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"class"
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"instance"
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"derive"
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"foreign"
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"data"
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"newtype"
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"type"
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"as"
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"hiding"
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"do"
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"ado"
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"forall"
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"∀"
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"infix"
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"infixl"
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"infixr"
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] @keyword
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(type_role_declaration
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"role" @keyword
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role: (type_role) @keyword)
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(hole) @label
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; ----------------------------------------------------------------------------
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; Functions and variables
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(row_field (field_name) @variable.other.member)
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(record_field (field_name) @variable.other.member)
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(record_field (field_pun) @variable.other.member)
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(signature name: (variable) @type)
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(function name: (variable) @function)
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(class_instance (instance_name) @function)
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(derive_declaration (instance_name) @function)
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; true or false
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((variable) @constant.builtin.boolean
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(#match? @constant.builtin.boolean "^(true|false)$"))
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; The former one works for `tree-sitter highlight` but not in Helix/Kakoune.
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; The latter two work in Helix (but not Kakoune) and are a good compromise between not highlighting anything at all
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; as an operator and leaving it to the child nodes, and highlighting everything as an operator.
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(exp_ticked (_) @operator)
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(exp_ticked (exp_name (variable) @operator))
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(exp_ticked (exp_name (qualified_variable (variable) @operator)))
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(variable) @variable
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("@" @namespace) ; "as" pattern operator, e.g. x@Constructor
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; ----------------------------------------------------------------------------
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; Types
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(type) @type
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(constructor) @constructor
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