helix-mods/runtime/queries/lua/highlights.scm

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;;; Highlighting for lua
;; Keywords
(if_statement
[
"if"
"then"
"end"
] @keyword.control.conditional)
(elseif_statement
[
"elseif"
"then"
"end"
] @keyword.control.conditional)
(else_statement
[
"else"
"end"
] @keyword.control.conditional)
(for_statement
[
"for"
"do"
"end"
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] @keyword.control.repeat)
(while_statement
[
"while"
"do"
"end"
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] @keyword.control.repeat)
(repeat_statement
[
"repeat"
"until"
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] @keyword.control.repeat)
(do_statement
[
"do"
"end"
] @keyword)
"return" @keyword.control.return
[
"in"
"local"
(break_statement)
"goto"
] @keyword
(function_declaration
[
"function"
"end"
] @keyword.function)
(function_definition
[
"function"
"end"
] @keyword.function)
;; Operators
[
"not"
"and"
"or"
] @keyword.operator
[
"="
"~="
"=="
"<="
">="
"<"
">"
"+"
"-"
"%"
"/"
"//"
"*"
"^"
"&"
"~"
"|"
">>"
"<<"
".."
"#"
] @operator
;; Punctuation
["," "." ":" ";"] @punctuation.delimiter
;; Brackets
[
"("
")"
"["
"]"
"{"
"}"
] @punctuation.bracket
; ;; Constants
[
(false)
(true)
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] @constant.builtin.boolean
(nil) @constant.builtin
(vararg_expression) @constant
((identifier) @constant
(#match? @constant "^[A-Z][A-Z_0-9]*$"))
;; Tables
(field name: (identifier) @variable.other.member)
(dot_index_expression field: (identifier) @variable.other.member)
(table_constructor
[
"{"
"}"
] @constructor)
;; Functions
(parameters (identifier) @variable.parameter)
(function_call
(identifier) @function.builtin
(#any-of? @function.builtin
;; built-in functions in Lua 5.1
"assert" "collectgarbage" "dofile" "error" "getfenv" "getmetatable" "ipairs"
"load" "loadfile" "loadstring" "module" "next" "pairs" "pcall" "print"
"rawequal" "rawget" "rawset" "require" "select" "setfenv" "setmetatable"
"tonumber" "tostring" "type" "unpack" "xpcall"))
(function_declaration
name: [
(identifier) @function
(dot_index_expression
field: (identifier) @function)
])
(function_declaration
name: (method_index_expression
method: (identifier) @function.method))
(assignment_statement
(variable_list .
name: [
(identifier) @function
(dot_index_expression
field: (identifier) @function)
])
(expression_list .
value: (function_definition)))
(table_constructor
(field
name: (identifier) @function
value: (function_definition)))
(function_call
name: [
(identifier) @function.call
(dot_index_expression
field: (identifier) @function.call)
(method_index_expression
method: (identifier) @function.method.call)
])
; TODO: incorrectly highlights variable N in `N, nop = 42, function() end`
(assignment_statement
(variable_list
name: (identifier) @function)
(expression_list
value: (function_definition)))
(method_index_expression method: (identifier) @function.method)
;; Nodes
(comment) @comment
(string) @string
(escape_sequence) @constant.character.escape
(number) @constant.numeric.integer
(label_statement) @label
; A bit of a tricky one, this will only match field names
(field . (identifier) @variable.other.member (_))
(hash_bang_line) @comment
;; Property
(dot_index_expression field: (identifier) @variable.other.member)
;; Variables
((identifier) @variable.builtin
(#eq? @variable.builtin "self"))
(variable_list
(attribute
"<" @punctuation.bracket
(identifier) @attribute
">" @punctuation.bracket))
(identifier) @variable
;; Error
(ERROR) @error