gdscript support (#1985)

runtime/queries/gdscript/highlights.scm

@@ -0,0 +1,93 @@
+; Identifier naming conventions
+
+((identifier) @constant
+ (#match? @constant "^[A-Z][A-Z_]*$"))
+
+; Function calls
+
+(attribute_call (identifier) @function)
+
+(base_call (identifier) @function)
+
+(call (identifier) @function)
+
+; Function definitions
+
+(function_definition (name) @function)
+
+(constructor_definition "_init" @function)
+
+;; Literals
+(integer) @constant.numeric.integer
+(float) @constant.numeric.float
+(comment) @comment
+(string) @string
+(escape_sequence) @constant.character.escape
+(identifier) @variable
+(type) @type
+
+;; Literals
+[
+  (true)
+  (false)
+  (null)
+] @constant.builtin
+
+[
+  "+"
+  "-"
+  "*"
+  "/"
+  "%"
+  "=="
+  "!="
+  ">"
+  "<"
+  ">="
+  "<="
+  "="
+  "+="
+  "-="
+  "*="
+  "/="
+  "%="
+  "&"
+  "|"
+  "^"
+  "~"
+  "<<"
+  ">>"
+  "and"
+  "or"
+  "not"
+] @operator
+
+[
+  (static_keyword)
+  (remote_keyword)
+  (tool_statement)
+  "var"
+  "func"
+  "setget"
+  "in"
+  "is"
+  "as"
+  "if"
+  "else"
+  "elif"
+  "while"
+  "for"
+  "return"
+  "break"
+  "continue"
+  "pass"
+  "match"
+  "class"
+  "class_name"
+  "enum"
+  "signal"
+  "onready"
+  "export"
+  "extends"
+  "const"
+] @keyword

runtime/queries/gdscript/indents.scm

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+[
+  (_compound_statement)
+  (match_statement)
+  (parenthesized_expression)
+  
+  (pattern_array)
+  (pattern_dictionary)
+  (argument_list)
+  (binary_operator)
+  
+  (parameters)
+  (body)
+  (enumerator_list)
+  
+  (function_definition)
+  (constructor_definition)
+  (class_definition)
+] @indent
+
+[
+  ")",
+  "]",
+  "}",
+  (return_statement)
+  (pass_statement)
+] @outdent

runtime/queries/gdscript/tags.scm

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+(class_definition (name) @name) @definition.class
+
+(function_definition (name) @name) @definition.function
+
+(call (name) @name) @reference.call