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|
; basic keywords
[
"assert"
"in"
"inherit"
"let"
"rec"
"with"
] @keyword
; if/then/else
[
"if"
"then"
"else"
] @keyword.conditional
; field access default (`a.b or c`)
"or" @keyword.operator
; comments
(comment) @comment @spell
; strings
(string_fragment) @string
(string_expression
"\"" @string)
(indented_string_expression
"''" @string)
; paths and URLs
[
(path_expression)
(hpath_expression)
(spath_expression)
] @string.special.path
(uri_expression) @string.special.url
; escape sequences
(escape_sequence) @string.escape
; delimiters
[
"."
";"
":"
","
] @punctuation.delimiter
; brackets
[
"("
")"
"["
"]"
"{"
"}"
] @punctuation.bracket
; `?` in `{ x ? y }:`, used to set defaults for named function arguments
(formal
name: (identifier) @variable.parameter
"?"? @operator)
; `...` in `{ ... }`, used to ignore unknown named function arguments (see above)
(ellipses) @variable.parameter.builtin
; universal is the parameter of the function expression
; `:` in `x: y`, used to separate function argument from body (see above)
(function_expression
universal: (identifier) @variable.parameter
":" @punctuation.special)
; function calls
(apply_expression
function: (variable_expression
name: (identifier) @function.call))
; basic identifiers
(variable_expression) @variable
(variable_expression
name: (identifier) @keyword.import
(#eq? @keyword.import "import"))
(variable_expression
name: (identifier) @boolean
(#any-of? @boolean "true" "false"))
; string interpolation (this was very annoying to get working properly)
(interpolation
"${" @punctuation.special
(_)
"}" @punctuation.special) @none
(select_expression
expression: (_) @_expr
attrpath: (attrpath
attr: (identifier) @variable.member)
(#not-eq? @_expr "builtins"))
(attrset_expression
(binding_set
(binding
.
(attrpath
(identifier) @variable.member))))
(rec_attrset_expression
(binding_set
(binding
.
(attrpath
(identifier) @variable.member))))
function: (select_expression
attrpath: (attrpath
attr: (identifier) @function.call .))
; builtin functions (with builtins prefix)
(select_expression
expression: (variable_expression
name: (identifier) @_id)
attrpath: (attrpath
attr: (identifier) @function.builtin)
(#eq? @_id "builtins"))
; builtin functions (without builtins prefix)
(variable_expression
name: (identifier) @function.builtin
(#any-of? @function.builtin
; nix eval --impure --expr 'with builtins; filter (x: !(elem x [ "abort" "import" "throw" ]) && isFunction builtins.${x}) (attrNames builtins)'
"add" "addErrorContext" "all" "any" "appendContext" "attrNames" "attrValues" "baseNameOf"
"bitAnd" "bitOr" "bitXor" "break" "catAttrs" "ceil" "compareVersions" "concatLists" "concatMap"
"concatStringsSep" "deepSeq" "derivation" "derivationStrict" "dirOf" "div" "elem" "elemAt"
"fetchGit" "fetchMercurial" "fetchTarball" "fetchTree" "fetchurl" "filter" "filterSource"
"findFile" "floor" "foldl'" "fromJSON" "fromTOML" "functionArgs" "genList" "genericClosure"
"getAttr" "getContext" "getEnv" "getFlake" "groupBy" "hasAttr" "hasContext" "hashFile"
"hashString" "head" "intersectAttrs" "isAttrs" "isBool" "isFloat" "isFunction" "isInt" "isList"
"isNull" "isPath" "isString" "length" "lessThan" "listToAttrs" "map" "mapAttrs" "match" "mul"
"parseDrvName" "partition" "path" "pathExists" "placeholder" "readDir" "readFile" "removeAttrs"
"replaceStrings" "scopedImport" "seq" "sort" "split" "splitVersion" "storePath" "stringLength"
"sub" "substring" "tail" "toFile" "toJSON" "toPath" "toString" "toXML" "trace" "traceVerbose"
"tryEval" "typeOf" "unsafeDiscardOutputDependency" "unsafeDiscardStringContext"
"unsafeGetAttrPos" "zipAttrsWith"
; primops, `__<tab>` in `nix repl`
"__add" "__filter" "__isFunction" "__split" "__addErrorContext" "__filterSource" "__isInt"
"__splitVersion" "__all" "__findFile" "__isList" "__storeDir" "__any" "__floor" "__isPath"
"__storePath" "__appendContext" "__foldl'" "__isString" "__stringLength" "__attrNames"
"__fromJSON" "__langVersion" "__sub" "__attrValues" "__functionArgs" "__length" "__substring"
"__bitAnd" "__genList" "__lessThan" "__tail" "__bitOr" "__genericClosure" "__listToAttrs"
"__toFile" "__bitXor" "__getAttr" "__mapAttrs" "__toJSON" "__catAttrs" "__getContext" "__match"
"__toPath" "__ceil" "__getEnv" "__mul" "__toXML" "__compareVersions" "__getFlake" "__nixPath"
"__trace" "__concatLists" "__groupBy" "__nixVersion" "__traceVerbose" "__concatMap" "__hasAttr"
"__parseDrvName" "__tryEval" "__concatStringsSep" "__hasContext" "__partition" "__typeOf"
"__currentSystem" "__hashFile" "__path" "__unsafeDiscardOutputDependency" "__currentTime"
"__hashString" "__pathExists" "__unsafeDiscardStringContext" "__deepSeq" "__head" "__readDir"
"__unsafeGetAttrPos" "__div" "__intersectAttrs" "__readFile" "__zipAttrsWith" "__elem"
"__isAttrs" "__replaceStrings" "__elemAt" "__isBool" "__seq" "__fetchurl" "__isFloat" "__sort"))
; constants
(variable_expression
name: (identifier) @constant.builtin
(#any-of? @constant.builtin
; nix eval --impure --expr 'with builtins; filter (x: !(isFunction builtins.${x} || isBool builtins.${x})) (attrNames builtins)'
"builtins" "currentSystem" "currentTime" "langVersion" "nixPath" "nixVersion" "null" "storeDir"))
; function definition
(binding
attrpath: (attrpath
attr: (identifier) @function)
expression: (function_expression))
; unary operators
(unary_expression
operator: _ @operator)
; binary operators
(binary_expression
operator: _ @operator)
[
"="
"@"
"?"
] @operator
; integers, also highlight a unary -
[
(unary_expression
"-"
(integer_expression))
(integer_expression)
] @number
; floats, also highlight a unary -
[
(unary_expression
"-"
(float_expression))
(float_expression)
] @number.float
; exceptions
(variable_expression
name: (identifier) @keyword.exception
(#any-of? @keyword.exception "abort" "throw"))
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