Fix displaying auto-linked callbacks and types

Author: wojtekmach

lib/ex_doc/autolink.ex

@@ -72,9 +72,10 @@ defmodule ExDoc.Autolink do
     end
   end
 
-  defp walk({:code, _, [code]} = ast, config) do
+  defp walk({:code, attrs, [code]} = ast, config) do
     if url = url(code, :regular, config) do
-      {:a, [href: url], [ast]}
+      code = remove_prefix(code)
+      {:a, [href: url], [{:code, attrs, [code]}]}
     else
       ast
     end
@@ -204,10 +205,14 @@ defmodule ExDoc.Autolink do
     end
   end
 
-  defp kind("t:" <> rest), do: {:type, rest}
   defp kind("c:" <> rest), do: {:callback, rest}
+  defp kind("t:" <> rest), do: {:type, rest}
   defp kind(rest), do: {:function, rest}
 
+  defp remove_prefix("c:" <> rest), do: rest
+  defp remove_prefix("t:" <> rest), do: rest
+  defp remove_prefix(rest), do: rest
+
   defp parse_arity(string) do
     case Integer.parse(string) do
       {arity, ""} -> {:ok, arity}

test/ex_doc/autolink_test.exs

@@ -87,37 +87,33 @@ defmodule ExDoc.AutolinkTest do
 
     test "elixir callback" do
       assert autolink("c:GenServer.handle_call/3") ==
-               ~m"[`c:GenServer.handle_call/3`](https://hexdocs.pm/elixir/GenServer.html#c:handle_call/3)"
-
-      # TODO: there should be no `c:` in the link _text_!
-      # assert autolink("c:GenServer.handle_call/3") ==
-      #          ~m"[`GenServer.handle_call/3`](https://hexdocs.pm/elixir/GenServer.html#c:handle_call/3)"
+               ~m"[`GenServer.handle_call/3`](https://hexdocs.pm/elixir/GenServer.html#c:handle_call/3)"
     end
 
     test "erlang callback" do
       assert autolink("c::gen_server.handle_call/3") ==
-               ~m"[`c::gen_server.handle_call/3`](http://www.erlang.org/doc/man/gen_server.html#Module:handle_call-3)"
+               ~m"[`:gen_server.handle_call/3`](http://www.erlang.org/doc/man/gen_server.html#Module:handle_call-3)"
     end
 
     test "elixir type" do
       assert autolink("t:Calendar.date/0") ==
-               ~m"[`t:Calendar.date/0`](https://hexdocs.pm/elixir/Calendar.html#t:date/0)"
+               ~m"[`Calendar.date/0`](https://hexdocs.pm/elixir/Calendar.html#t:date/0)"
     end
 
     test "elixir basic & built-in types" do
       assert autolink("t:atom/0") ==
-               ~m"[`t:atom/0`](https://hexdocs.pm/elixir/typespecs.html#basic-types)"
+               ~m"[`atom/0`](https://hexdocs.pm/elixir/typespecs.html#basic-types)"
 
       assert autolink("t:keyword/0") ==
-               ~m"[`t:keyword/0`](https://hexdocs.pm/elixir/typespecs.html#built-in-types)"
+               ~m"[`keyword/0`](https://hexdocs.pm/elixir/typespecs.html#built-in-types)"
 
       assert autolink("t:keyword/0", app: :elixir) ==
-               ~m"[`t:keyword/0`](typespecs.html#built-in-types)"
+               ~m"[`keyword/0`](typespecs.html#built-in-types)"
     end
 
     test "erlang type" do
       assert autolink("t::array.array/0") ==
-               ~m"[`t::array.array/0`](http://www.erlang.org/doc/man/array.html#type-array)"
+               ~m"[`:array.array/0`](http://www.erlang.org/doc/man/array.html#type-array)"
     end
 
     test "special forms" do

test/ex_doc/formatter/html/templates_test.exs

@@ -378,7 +378,7 @@ defmodule ExDoc.Formatter.HTML.TemplatesTest do
       refute content =~ ~s[minus(#{integer}, #{integer}) :: #{integer}]
 
       assert content =~
-               ~s[Basic type: <a href=\"https://hexdocs.pm/elixir/typespecs.html#basic-types\"><code class=\"inline\">t:atom/0</code></a>.]
+               ~s[Basic type: <a href=\"https://hexdocs.pm/elixir/typespecs.html#basic-types\"><code class=\"inline\">atom/0</code></a>.]
 
       assert content =~ ~r{opaque/0.*<span class="note">\(opaque\)</span>}ms
     end

test/ex_doc/formatter/html_test.exs

@@ -319,7 +319,7 @@ defmodule ExDoc.Formatter.HTMLTest do
                ~r{<a href="TypesAndSpecs.Sub.html"><code(\sclass="inline")?>TypesAndSpecs.Sub</code></a>}
 
       assert content =~
-               ~r{<a href="typespecs.html#basic-types"><code(\sclass="inline")?>t:atom/0</code></a>}
+               ~r{<a href="typespecs.html#basic-types"><code(\sclass="inline")?>atom/0</code></a>}
 
       assert content =~
                ~r{<a href="https://hexdocs.pm/mix/Mix.Tasks.Compile.Elixir.html"><code(\sclass="inline")?>mix compile.elixir</code></a>}