aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/src
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/erl_eval.erl28
-rw-r--r--lib/stdlib/src/gen_event.erl3
-rw-r--r--lib/stdlib/src/gen_server.erl2
-rw-r--r--lib/stdlib/src/shell.erl7
-rw-r--r--lib/stdlib/src/supervisor.erl2
5 files changed, 29 insertions, 13 deletions
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 88a0094d57..bf3c7b3504 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -341,7 +341,7 @@ expr({call,_,{remote,_,Mod,Func},As0}, Bs0, Lf, Ef, RBs) ->
true ->
bif(F, As, Bs3, Ef, RBs);
false ->
- do_apply({M,F}, As, Bs3, Ef, RBs)
+ do_apply(M, F, As, Bs3, Ef, RBs)
end;
expr({call,_,{atom,_,Func},As0}, Bs0, Lf, Ef, RBs) ->
case erl_internal:bif(Func, length(As0)) of
@@ -499,11 +499,11 @@ local_func2({eval,F,As,Bs}, RBs) -> % This reply is not documented.
bif(apply, [erlang,apply,As], Bs, Ef, RBs) ->
bif(apply, As, Bs, Ef, RBs);
bif(apply, [M,F,As], Bs, Ef, RBs) ->
- do_apply({M,F}, As, Bs, Ef, RBs);
+ do_apply(M, F, As, Bs, Ef, RBs);
bif(apply, [F,As], Bs, Ef, RBs) ->
do_apply(F, As, Bs, Ef, RBs);
bif(Name, As, Bs, Ef, RBs) ->
- do_apply({erlang,Name}, As, Bs, Ef, RBs).
+ do_apply(erlang, Name, As, Bs, Ef, RBs).
%% do_apply(MF, Arguments, Bindings, ExternalFuncHandler, RBs) ->
%% {value,Value,Bindings} | Value when
@@ -563,6 +563,19 @@ do_apply(Func, As, Bs0, Ef, RBs) ->
ret_expr(F(Func, As), Bs0, RBs)
end.
+do_apply(Mod, Func, As, Bs0, Ef, RBs) ->
+ case Ef of
+ none when RBs =:= value ->
+ %% Make tail recursive calls when possible.
+ apply(Mod, Func, As);
+ none ->
+ ret_expr(apply(Mod, Func, As), Bs0, RBs);
+ {value,F} when RBs =:= value ->
+ F({Mod,Func}, As);
+ {value,F} ->
+ ret_expr(F({Mod,Func}, As), Bs0, RBs)
+ end.
+
%% eval_lc(Expr, [Qualifier], Bindings, LocalFunctionHandler,
%% ExternalFuncHandler, RetBindings) ->
%% {value,Value,Bindings} | Value
@@ -731,10 +744,10 @@ expr_list([], Vs, _, Bs, _Lf, _Ef) ->
{reverse(Vs),Bs}.
eval_op(Op, Arg1, Arg2, Bs, Ef, RBs) ->
- do_apply({erlang,Op}, [Arg1,Arg2], Bs, Ef, RBs).
+ do_apply(erlang, Op, [Arg1,Arg2], Bs, Ef, RBs).
eval_op(Op, Arg, Bs, Ef, RBs) ->
- do_apply({erlang,Op}, [Arg], Bs, Ef, RBs).
+ do_apply(erlang, Op, [Arg], Bs, Ef, RBs).
%% if_clauses(Clauses, Bindings, LocalFuncHandler, ExtFuncHandler, RBs)
@@ -920,8 +933,9 @@ guard0([], _Bs, _Lf, _Ef) -> true.
guard_test({call,L,{atom,Ln,F},As0}, Bs0, Lf, Ef) ->
TT = type_test(F),
- guard_test({call,L,{tuple,Ln,[{atom,Ln,erlang},{atom,Ln,TT}]},As0},
- Bs0, Lf, Ef);
+ G = {call,L,{atom,Ln,TT},As0},
+ try {value,true,_} = expr(G, Bs0, Lf, Ef, none)
+ catch error:_ -> {value,false,Bs0} end;
guard_test({call,L,{remote,_Lr,{atom,_Lm,erlang},{atom,_Lf,_F}=T},As0},
Bs0, Lf, Ef) ->
guard_test({call,L,T,As0}, Bs0, Lf, Ef);
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index 9879b76391..3317b30e5c 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -70,7 +70,8 @@
-callback init(InitArgs :: term()) ->
{ok, State :: term()} |
- {ok, State :: term(), hibernate}.
+ {ok, State :: term(), hibernate} |
+ {error, Reason :: term()}.
-callback handle_event(Event :: term(), State :: term()) ->
{ok, NewState :: term()} |
{ok, NewState :: term(), hibernate} |
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 6f075bbe5a..af07bc988a 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -134,7 +134,7 @@
term().
-callback code_change(OldVsn :: (term() | {down, term()}), State :: term(),
Extra :: term()) ->
- {ok, NewState :: term()}.
+ {ok, NewState :: term()} | {error, Reason :: term()}.
%%% -----------------------------------------------------------------
%%% Starts a generic server.
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index 964697cae6..dc450f0ee6 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -1065,9 +1065,10 @@ local_func(F, As0, Bs0, _Shell, _RT, Lf, Ef) when is_atom(F) ->
non_builtin_local_func(F,As,Bs).
non_builtin_local_func(F,As,Bs) ->
- case erlang:function_exported(user_default, F, length(As)) of
+ Arity = length(As),
+ case erlang:function_exported(user_default, F, Arity) of
true ->
- {eval,{user_default,F},As,Bs};
+ {eval,erlang:make_fun(user_default, F, Arity),As,Bs};
false ->
shell_default(F,As,Bs)
end.
@@ -1079,7 +1080,7 @@ shell_default(F,As,Bs) ->
{module, _} ->
case erlang:function_exported(M,F,A) of
true ->
- {eval,{M,F},As,Bs};
+ {eval,erlang:make_fun(M, F, A),As,Bs};
false ->
shell_undef(F,A)
end;
diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl
index 2dd5ccce7a..42ea42f42e 100644
--- a/lib/stdlib/src/supervisor.erl
+++ b/lib/stdlib/src/supervisor.erl
@@ -37,7 +37,7 @@
%%--------------------------------------------------------------------------
--type child() :: pid() | 'undefined'.
+-type child() :: 'undefined' | pid() | [pid()].
-type child_id() :: term().
-type mfargs() :: {M :: module(), F :: atom(), A :: [term()] | undefined}.
-type modules() :: [module()] | 'dynamic'.