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