Pass the stacktrace explicitly to IEx.Util functions

Author: alco

lib/iex/lib/iex.ex

@@ -253,11 +253,11 @@ defmodule IEx do
         config.binding(binding).scope(scope)
       rescue
         exception ->
-          Util.print_exception(exception)
+          Util.print_exception(exception, System.stacktrace)
           System.halt(1)
       catch
         kind, error ->
-          Util.print_error(kind, error)
+          Util.print_error(kind, error, System.stacktrace)
           System.halt(1)
       end
     end

lib/iex/lib/iex/server.ex

@@ -28,11 +28,11 @@ defmodule IEx.Server do
         eval(code, line, counter, config)
       rescue
         exception ->
-          Util.print_exception(exception)
+          Util.print_exception(exception, System.stacktrace)
           config.cache('')
       catch
         kind, error ->
-          Util.print_error(kind, error)
+          Util.print_error(kind, error, System.stacktrace)
           config.cache('')
       end
 

lib/iex/lib/iex/util.ex

@@ -4,15 +4,15 @@ defmodule IEx.Util do
   # Private functions used by several IEx.* modules.
 
   @doc false
-  def print_exception(exception) do
-    print_stacktrace System.stacktrace, fn ->
+  def print_exception(exception, stacktrace) do
+    print_stacktrace stacktrace, fn ->
       "** (#{inspect exception.__record__(:name)}) #{exception.message}"
     end
   end
 
   @doc false
-  def print_error(kind, reason) do
-    print_stacktrace System.stacktrace, fn ->
+  def print_error(kind, reason, stacktrace) do
+    print_stacktrace stacktrace, fn ->
       "** (#{kind}) #{inspect(reason)}"
     end
   end