Remove elixir_counter in favor of unique_integer

Author: José Valim

lib/elixir/lib/macro.ex

@@ -1098,7 +1098,7 @@ defmodule Macro do
 
       case expand do
         {:ok, receiver, quoted} ->
-          next = :elixir_counter.next
+          next = :erlang.unique_integer()
           {:elixir_quote.linify_with_context_counter(0, {receiver, next}, quoted), true}
         {:ok, _receiver, _name, _args} ->
           {original, false}
@@ -1119,7 +1119,7 @@ defmodule Macro do
 
         case expand do
           {:ok, receiver, quoted} ->
-            next = :elixir_counter.next
+            next = :erlang.unique_integer()
             {:elixir_quote.linify_with_context_counter(0, {receiver, next}, quoted), true}
           :error ->
             {original, false}

lib/elixir/lib/module.ex

@@ -499,7 +499,7 @@ defmodule Module do
       raise ArgumentError, "expected :file to be given as option"
     end
 
-    next = :elixir_counter.next
+    next = :erlang.unique_integer()
     line = Keyword.get(opts, :line, 0)
     quoted = :elixir_quote.linify_with_context_counter(line, {module, next}, quoted)
     :elixir_module.compile(module, quoted, [], :elixir.env_for_eval(opts))

lib/elixir/src/elixir_counter.erl

@@ -202,7 +202,7 @@ expand_macro_named(Meta, Receiver, Name, Arity, Args, E) ->
 
 expand_quoted(Meta, Receiver, Name, Arity, Quoted, E) ->
   Line = ?line(Meta),
-  Next = elixir_counter:next(),
+  Next = erlang:unique_integer(),
 
   try
     elixir_exp:expand(

lib/elixir/src/elixir_dispatch.erl

@@ -111,7 +111,7 @@ handle_capture(false, Meta, Expr, E, Sequential) ->
   do_capture(Meta, Expr, E, Sequential).
 
 do_capture(Meta, Expr, E, Sequential) ->
-  case do_escape(Expr, elixir_counter:next(), E, []) of
+  case do_escape(Expr, erlang:unique_integer(), E, []) of
     {_, []} when not Sequential ->
       invalid_capture(Meta, Expr, E);
     {EExpr, EDict} ->

lib/elixir/src/elixir_fn.erl

@@ -15,7 +15,7 @@ init(ok) ->
       2000,                         % Shutdown = brutal_kill | int() >= 0 | infinity
       worker,                       % Type     = worker | supervisor
       [elixir_config]               % Modules  = [Module] | dynamic
-   },
+    },
 
     {
       elixir_code_server,
@@ -25,17 +25,7 @@ init(ok) ->
       2000,                         % Shutdown = brutal_kill | int() >= 0 | infinity
       worker,                       % Type     = worker | supervisor
       [elixir_code_server]          % Modules  = [Module] | dynamic
-   },
-
-    {
-      elixir_counter,
-      {elixir_counter, start_link, []},
-
-      permanent,                    % Restart  = permanent | transient | temporary
-      2000,                         % Shutdown = brutal_kill | int() >= 0 | infinity
-      worker,                       % Type     = worker | supervisor
-      [elixir_counter]              % Modules  = [Module] | dynamic
-   }
+    }
   ],
 
   {ok, {{one_for_one, 3, 10}, Workers}}.