Elixir: recognize defmacro (..) do end

Author: azizk

syntaxes/Elixir.sublime-syntax

@@ -196,6 +196,13 @@ contexts:
       scope: entity.name.function.elixir
       set: function_free_form_header_pop
 
+    - match: (\()\s*(\.\.)\s*(\))
+      captures:
+        1: punctuation.section.group.begin.elixr
+        2: entity.name.function.elixir
+        3: punctuation.section.group.end.elixr
+      set: function_free_form_header_pop
+
     - include: atom_keyword
     - include: func_do_block_pop
     - include: block_or_keyword

tests/syntax_test_declarations.ex

@@ -403,6 +403,10 @@ def .. a do a end
 def ..(a) do a end
 #     ^ punctuation.section.group.begin
 #   ^^ keyword.operator.range
+defmacro (..) do range(__CALLER__.context, 0, -1, 1) end
+#           ^ punctuation.section.group.end
+#         ^^ entity.name.function
+#        ^ punctuation.section.group.begin
 def ... a do a end
 #   ^^^ entity.name.function
 def ...(a) do a end