fix: literal encoding for kw_identifier and capture ints

lib/spitfire.ex

@@ -461,11 +461,11 @@ defmodule Spitfire do
   end
 
   defp parse_kw_identifier(%{current_token: {:kw_identifier, meta, token}} = parser) do
+    token = encode_literal(parser, token, meta)
     parser = parser |> next_token() |> eat_eol()
 
     {expr, parser} = parse_expression(parser, @kw_identifier, false, false, false)
 
-    token = encode_literal(parser, token, meta)
     {{token, expr}, parser}
   end
 
@@ -486,10 +486,10 @@ defmodule Spitfire do
   end
 
   defp parse_bracketless_kw_list(%{current_token: {:kw_identifier, meta, token}} = parser) do
+    token = encode_literal(parser, token, meta)
     parser = parser |> next_token() |> eat_eol()
 
     {value, parser} = parse_expression(parser, @kw_identifier, false, false, false)
-    token = encode_literal(parser, token, meta)
 
     {kvs, parser} =
       while2 peek_token(parser) == :"," <- parser do
@@ -601,7 +601,9 @@ defmodule Spitfire do
     token = current_token(parser)
     meta = current_meta(parser)
     parser = next_token(parser)
+    {encoder, parser} = Map.pop(parser, :literal_encoder)
     {rhs, parser} = parse_int(parser)
+    parser = Map.put(parser, :literal_encoder, encoder)
 
     ast = {token, meta, [rhs]}
 
@@ -2321,6 +2323,10 @@ defmodule Spitfire do
     [delimiter: "'"]
   end
 
+  defp additional_meta(_literal, %{current_token: {:kw_identifier, _, _}}) do
+    [format: :keyword]
+  end
+
   defp additional_meta(_, %{current_token: {type, _, indent, _token}}) when type in [:list_heredoc] do
     [delimiter: ~s"'''", indentation: indent]
   end

test/spitfire_test.exs

@@ -1652,7 +1652,10 @@ defmodule SpitfireTest do
         foo
         '''
         """,
-        ~S'{one, two}'
+        ~S'{one, two}',
+        ~S'''
+        Foo.run(f: &{:ok, {:__literal__, &2, [&1]}})
+        '''
       ]
 
       encoder = fn l, m -> {:ok, {:__literal__, m, [l]}} end