Make quote of pipe has same behaviour about hygiene in Imports

elixir-lang#11651

Author: Ljzn

lib/elixir/src/elixir_quote.erl

@@ -333,6 +333,19 @@ do_quote({'&', Meta, [{'/', _, [{F, _, C}, A]}] = Args},
     end,
   do_quote_tuple('&', NewMeta, Args, Q, E);
 
+do_quote({'|>', M, [B, {F, Meta, As}]},
+         #elixir_quote{imports_hygiene=true} = Q, E) when is_atom(F), is_list(As) ->
+  A = length(As) + 1,
+  NewMeta =
+    case elixir_dispatch:find_import(Meta, F, A, E) of
+      false ->
+        Meta;
+
+      Receiver ->
+        keystore(context, keystore(imports, Meta, [{Receiver, A}]), Q#elixir_quote.context)
+    end,
+  do_quote_tuple('|>', M, [B, {F, NewMeta, As}], Q, E);
+
 do_quote({Name, Meta, ArgsOrContext}, #elixir_quote{imports_hygiene=true} = Q, E)
     when is_atom(Name), is_list(Meta), is_list(ArgsOrContext) or is_atom(ArgsOrContext) ->
   Arity = if

lib/elixir/test/elixir/kernel/quote_test.exs

@@ -69,6 +69,12 @@ defmodule Kernel.QuoteTest do
     assert quote(generated: true, do: bar(1)) == {:bar, [generated: true], [1]}
   end
 
+  test "quote pipe with imports" do
+    import Integer, only: [is_odd: 1]
+    q = quote(do: 2 |> is_odd())
+    assert {false, _} = Code.eval_quoted(q)
+  end
+
   test "unquote call" do
     assert quote(do: foo(bar)[unquote(:baz)]) == quote(do: foo(bar)[:baz])
     assert quote(do: unquote(:bar)()) == quote(do: bar())