1 files changed, 306 insertions, 0 deletions
diff --git a/runtime/queries/ruby/highlights.scm b/runtime/queries/ruby/highlights.scm
new file mode 100644
index 000000000..a1a2c250d
--- /dev/null
+++ b/runtime/queries/ruby/highlights.scm
@@ -0,0 +1,306 @@
+; Variables
+[
+  (identifier)
+  (global_variable)
+] @variable
+
+; Keywords
+[
+  "alias"
+  "begin"
+  "do"
+  "end"
+  "ensure"
+  "module"
+  "rescue"
+  "then"
+] @keyword
+
+"class" @keyword.type
+
+[
+  "return"
+  "yield"
+] @keyword.return
+
+[
+  "and"
+  "or"
+  "in"
+  "not"
+] @keyword.operator
+
+[
+  "def"
+  "undef"
+] @keyword.function
+
+(method
+  "end" @keyword.function)
+
+[
+  "case"
+  "else"
+  "elsif"
+  "if"
+  "unless"
+  "when"
+  "then"
+] @keyword.conditional
+
+(if
+  "end" @keyword.conditional)
+
+[
+  "for"
+  "until"
+  "while"
+  "break"
+  "redo"
+  "retry"
+  "next"
+] @keyword.repeat
+
+(constant) @constant
+
+((identifier) @keyword.modifier
+  (#any-of? @keyword.modifier "private" "protected" "public"))
+
+[
+  "rescue"
+  "ensure"
+] @keyword.exception
+
+; Function calls
+"defined?" @function
+
+(call
+  receiver: (constant)? @type
+  method: [
+    (identifier)
+    (constant)
+  ] @function.call)
+
+(program
+  (call
+    (identifier) @keyword.import)
+  (#any-of? @keyword.import "require" "require_relative" "load"))
+
+; Function definitions
+(alias
+  (identifier) @function)
+
+(setter
+  (identifier) @function)
+
+(method
+  name: [
+    (identifier) @function
+    (constant) @type
+  ])
+
+(singleton_method
+  name: [
+    (identifier) @function
+    (constant) @type
+  ])
+
+(class
+  name: (constant) @type)
+
+(module
+  name: (constant) @type)
+
+(superclass
+  (constant) @type)
+
+; Identifiers
+[
+  (class_variable)
+  (instance_variable)
+] @variable.member
+
+((identifier) @constant.builtin
+  (#any-of? @constant.builtin
+    "__callee__" "__dir__" "__id__" "__method__" "__send__" "__ENCODING__" "__FILE__" "__LINE__"))
+
+((identifier) @function.builtin
+  (#any-of? @function.builtin "attr_reader" "attr_writer" "attr_accessor" "module_function"))
+
+((call
+  !receiver
+  method: (identifier) @function.builtin)
+  (#any-of? @function.builtin "include" "extend" "prepend" "refine" "using"))
+
+((identifier) @keyword.exception
+  (#any-of? @keyword.exception "raise" "fail" "catch" "throw"))
+
+((constant) @type
+  (#not-lua-match? @type "^[A-Z0-9_]+$"))
+
+[
+  (self)
+  (super)
+] @variable.builtin
+
+(method_parameters
+  (identifier) @variable.parameter)
+
+(lambda_parameters
+  (identifier) @variable.parameter)
+
+(block_parameters
+  (identifier) @variable.parameter)
+
+(splat_parameter
+  (identifier) @variable.parameter)
+
+(hash_splat_parameter
+  (identifier) @variable.parameter)
+
+(optional_parameter
+  (identifier) @variable.parameter)
+
+(destructured_parameter
+  (identifier) @variable.parameter)
+
+(block_parameter
+  (identifier) @variable.parameter)
+
+(keyword_parameter
+  (identifier) @variable.parameter)
+
+; Literals
+[
+  (string_content)
+  (heredoc_content)
+  "\""
+  "`"
+] @string
+
+[
+  (heredoc_beginning)
+  (heredoc_end)
+] @label
+
+[
+  (bare_symbol)
+  (simple_symbol)
+  (delimited_symbol)
+  (hash_key_symbol)
+] @string.special.symbol
+
+(regex
+  (string_content) @string.regexp)
+
+(escape_sequence) @string.escape
+
+(integer) @number
+
+(float) @number.float
+
+[
+  (true)
+  (false)
+] @boolean
+
+(nil) @constant.builtin
+
+(comment) @comment @spell
+
+((program
+  .
+  (comment) @keyword.directive @nospell)
+  (#lua-match? @keyword.directive "^#!/"))
+
+(program
+  (comment)+ @comment.documentation
+  (class))
+
+(module
+  (comment)+ @comment.documentation
+  (body_statement
+    (class)))
+
+(class
+  (comment)+ @comment.documentation
+  (body_statement
+    (method)))
+
+(body_statement
+  (comment)+ @comment.documentation
+  (method))
+
+; Operators
+[
+  "!"
+  "="
+  "=="
+  "==="
+  "<=>"
+  "=>"
+  "->"
+  ">>"
+  "<<"
+  ">"
+  "<"
+  ">="
+  "<="
+  "**"
+  "*"
+  "/"
+  "%"
+  "+"
+  "-"
+  "&"
+  "|"
+  "^"
+  "&&"
+  "||"
+  "||="
+  "&&="
+  "!="
+  "%="
+  "+="
+  "-="
+  "*="
+  "/="
+  "=~"
+  "!~"
+  "?"
+  ":"
+  ".."
+  "..."
+] @operator
+
+[
+  ","
+  ";"
+  "."
+  "&."
+  "::"
+] @punctuation.delimiter
+
+(regex
+  "/" @punctuation.bracket)
+
+(pair
+  ":" @punctuation.delimiter)
+
+[
+  "("
+  ")"
+  "["
+  "]"
+  "{"
+  "}"
+  "%w("
+  "%i("
+] @punctuation.bracket
+
+(block_parameters
+  "|" @punctuation.bracket)
+
+(interpolation
+  "#{" @punctuation.special
+  "}" @punctuation.special)