feat: add swift indents (#4756)

queries/swift/indents.scm

@@ -0,0 +1,87 @@
+[
+  (protocol_body)
+  (class_body)
+  (function_declaration)
+  (computed_property)
+  (subscript_declaration)
+
+  (computed_getter)
+  (computed_setter)
+
+  (assignment)
+
+  (control_transfer_statement) ; return ...
+  (for_statement)
+  (while_statement)
+  (repeat_while_statement)
+  (do_statement)
+  (if_statement)
+  (switch_statement)
+  (guard_statement)
+
+  (type_parameters) ; x<Foo>
+  (tuple_type) ; (...)
+  (array_type) ; [String]
+  (dictionary_type); [Foo: Bar]
+
+  (call_expression)
+  (tuple_expression)
+  (array_literal)
+  (dictionary_literal)
+  (lambda_literal) 
+] @indent.begin
+
+; @something(...)
+((modifiers
+  (attribute) @indent.begin))
+
+(function_declaration
+  (modifiers
+    .
+    (attribute)
+    (_)* @indent.branch)
+  .
+  _ @indent.branch
+  (#not-has-type? @indent.branch type_parameters parameter))
+
+
+(ERROR
+  [
+    "<" 
+    "{" 
+    "(" 
+    "["
+  ]
+) @indent.begin
+
+
+; if-elseif
+(if_statement
+  (if_statement) @indent.dedent)
+
+(switch_entry . _ @indent.branch)
+
+(function_declaration ")" @indent.branch)
+
+(type_parameters ">" @indent.branch @indent.end .)
+(tuple_expression ")" @indent.branch @indent.end)
+(value_arguments ")" @indent.branch @indent.end)
+(tuple_type ")" @indent.branch @indent.end)
+(modifiers
+  (attribute ")" @indent.branch @indent.end))
+
+[
+  "}"
+  "]"
+] @indent.branch @indent.end
+
+
+[
+  ; (ERROR)
+  (comment)
+  (multiline_comment)
+  (raw_str_part)
+  (multi_line_string_literal)
+] @indent.auto
+
+(directive) @indent.ignore