From cfb668cc624a1fe9a2411a41a8fe747e327d4d02 Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Mon, 11 Jan 2016 10:30:27 +0100
Subject: stdlib: fix erl_eval not using non-local function handler

See also ERL-32 at bugs.erlang.org. Thanks to Ben Paxton.
---
 lib/stdlib/src/erl_eval.erl        | 31 ++++++++++++++++---------------
 lib/stdlib/test/erl_eval_SUITE.erl | 13 +++++++++++--
 2 files changed, 27 insertions(+), 17 deletions(-)

(limited to 'lib')

diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 568eb1c852..40a34aa30f 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
 %% 
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -415,7 +415,7 @@ expr({call,_,{atom,_,Func},As0}, Bs0, Lf, Ef, RBs) ->
             {As,Bs} = expr_list(As0, Bs0, Lf, Ef),
             bif(Func, As, Bs, Ef, RBs);
         false ->
-            local_func(Func, As0, Bs0, Lf, RBs)
+            local_func(Func, As0, Bs0, Lf, Ef, RBs)
     end;
 expr({call,_,Func0,As0}, Bs0, Lf, Ef, RBs) -> % function or {Mod,Fun}
     {value,Func,Bs1} = expr(Func0, Bs0, Lf, Ef, none),
@@ -542,33 +542,34 @@ unhide_calls([E | Es], MaxLine, D) ->
 unhide_calls(E, _MaxLine, _D) -> 
     E.
 
-%% local_func(Function, Arguments, Bindings, LocalFuncHandler, RBs) ->
+%% local_func(Function, Arguments, Bindings, LocalFuncHandler,
+%%            ExternalFuncHandler, RBs) ->
 %%	{value,Value,Bindings} | Value when
 %%	LocalFuncHandler = {value,F} | {value,F,Eas} |
 %%                         {eval,F}  | {eval,F,Eas}  | none.
 
-local_func(Func, As0, Bs0, {value,F}, value) ->
-    {As1,_Bs1} = expr_list(As0, Bs0, {value,F}),
+local_func(Func, As0, Bs0, {value,F}, Ef, value) ->
+    {As1,_Bs1} = expr_list(As0, Bs0, {value,F}, Ef),
     %% Make tail recursive calls when possible.
     F(Func, As1);
-local_func(Func, As0, Bs0, {value,F}, RBs) ->
-    {As1,Bs1} = expr_list(As0, Bs0, {value,F}),
+local_func(Func, As0, Bs0, {value,F}, Ef, RBs) ->
+    {As1,Bs1} = expr_list(As0, Bs0, {value,F}, Ef),
     ret_expr(F(Func, As1), Bs1, RBs);
-local_func(Func, As0, Bs0, {value,F,Eas}, RBs) ->
+local_func(Func, As0, Bs0, {value,F,Eas}, Ef, RBs) ->
     Fun = fun(Name, Args) -> apply(F, [Name,Args|Eas]) end,
-    local_func(Func, As0, Bs0, {value, Fun}, RBs);
-local_func(Func, As, Bs, {eval,F}, RBs) ->
+    local_func(Func, As0, Bs0, {value, Fun}, Ef, RBs);
+local_func(Func, As, Bs, {eval,F}, _Ef, RBs) ->
     local_func2(F(Func, As, Bs), RBs);
-local_func(Func, As, Bs, {eval,F,Eas}, RBs) ->
+local_func(Func, As, Bs, {eval,F,Eas}, _Ef, RBs) ->
     local_func2(apply(F, [Func,As,Bs|Eas]), RBs);
 %% These two clauses are for backwards compatibility.
-local_func(Func, As0, Bs0, {M,F}, RBs) ->
-    {As1,Bs1} = expr_list(As0, Bs0, {M,F}),
+local_func(Func, As0, Bs0, {M,F}, Ef, RBs) ->
+    {As1,Bs1} = expr_list(As0, Bs0, {M,F}, Ef),
     ret_expr(M:F(Func,As1), Bs1, RBs);
-local_func(Func, As, _Bs, {M,F,Eas}, RBs) ->
+local_func(Func, As, _Bs, {M,F,Eas}, _Ef, RBs) ->
     local_func2(apply(M, F, [Func,As|Eas]), RBs);
 %% Default unknown function handler to undefined function.
-local_func(Func, As0, _Bs0, none, _RBs) ->
+local_func(Func, As0, _Bs0, none, _Ef, _RBs) ->
     erlang:raise(error, undef, [{erl_eval,Func,length(As0)}|stacktrace()]).
 
 local_func2({value,V,Bs}, RBs) ->
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index 50fc62a00e..c21c4e61ee 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 1998-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2016. All Rights Reserved.
 %% 
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -39,6 +39,7 @@
 	 otp_7550/1,
          otp_8133/1,
          otp_10622/1,
+         otp_13228/1,
          funs/1,
 	 try_catch/1,
 	 eval_expr_5/1,
@@ -83,7 +84,8 @@ all() ->
      pattern_expr, match_bin, guard_3, guard_4, guard_5, lc,
      simple_cases, unary_plus, apply_atom, otp_5269,
      otp_6539, otp_6543, otp_6787, otp_6977, otp_7550,
-     otp_8133, otp_10622, funs, try_catch, eval_expr_5, zero_width,
+     otp_8133, otp_10622, otp_13228,
+     funs, try_catch, eval_expr_5, zero_width,
      eep37, eep43].
 
 groups() -> 
@@ -1042,6 +1044,13 @@ otp_10622(Config) when is_list(Config) ->
 
     ok.
 
+otp_13228(doc) ->
+    ["OTP-13228. ERL-32: non-local function handler bug."];
+otp_13228(_Config) ->
+    LFH = {value, fun(foo, [io_fwrite]) -> worked end},
+    EFH = {value, fun({io, fwrite}, [atom]) -> io_fwrite end},
+    {value, worked, []} = parse_and_run("foo(io:fwrite(atom)).", LFH, EFH).
+
 funs(doc) ->
     ["Simple cases, just to cover some code."];
 funs(suite) ->
-- 
cgit v1.2.3