helix-mirror/runtime/queries/lua/highlights.scm
Brian Dorsey f03b91d1b7
update languages.toml: tree-sitter-lua grammar (#9727)
* update languages.toml: tree-sitter-lua grammar

repo has moved, use new URL and the rev of the latest release (v0.0.19)

* update highlight queries

a novice attempt to port query updates from the
source repo to Helix captures and ordering

* Apply suggestions from code review

Co-authored-by: Michael Davis <mcarsondavis@gmail.com>

---------

Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
2024-02-28 20:55:17 +01:00

225 lines
3.4 KiB
Scheme

;;; 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"
] @keyword.control.repeat)
(while_statement
[
"while"
"do"
"end"
] @keyword.control.repeat)
(repeat_statement
[
"repeat"
"until"
] @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)
] @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