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-rw-r--r--lib/compiler/test/fun_SUITE.erl13
-rw-r--r--lib/debugger/test/erl_eval_SUITE.erl26
-rw-r--r--lib/debugger/test/fun_SUITE.erl17
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/eep370
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/eep37.erl15
-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl27
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl60
-rw-r--r--lib/stdlib/test/erl_pp_SUITE.erl27
-rw-r--r--lib/stdlib/test/ms_transform_SUITE.erl11
-rw-r--r--lib/stdlib/test/qlc_SUITE.erl14
-rw-r--r--lib/tools/test/cover_SUITE.erl18
-rw-r--r--lib/tools/test/xref_SUITE.erl13
-rw-r--r--lib/tools/test/xref_SUITE_data/read/read.erl27
13 files changed, 230 insertions, 38 deletions
diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl
index 6067ee8e06..e35692efd1 100644
--- a/lib/compiler/test/fun_SUITE.erl
+++ b/lib/compiler/test/fun_SUITE.erl
@@ -21,7 +21,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1,
- external/1]).
+ external/1,eep37/1]).
%% Internal export.
-export([call_me/1]).
@@ -32,7 +32,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
test_lib:recompile(?MODULE),
- [test1,overwritten_fun,otp_7202,bif_fun,external].
+ [test1,overwritten_fun,otp_7202,bif_fun,external,eep37].
groups() ->
[].
@@ -197,5 +197,14 @@ external(Config) when is_list(Config) ->
call_me(I) ->
{ok,I}.
+eep37(Config) when is_list(Config) ->
+ F = fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end,
+ Add = fun _(N) -> N + 1 end,
+ UnusedName = fun BlackAdder(N) -> N + 42 end,
+ 720 = F(6),
+ 10 = Add(9),
+ 50 = UnusedName(8),
+ ok.
+
id(I) ->
I.
diff --git a/lib/debugger/test/erl_eval_SUITE.erl b/lib/debugger/test/erl_eval_SUITE.erl
index bb2669f450..be9312b68f 100644
--- a/lib/debugger/test/erl_eval_SUITE.erl
+++ b/lib/debugger/test/erl_eval_SUITE.erl
@@ -39,7 +39,8 @@
otp_8133/1,
funs/1,
try_catch/1,
- eval_expr_5/1]).
+ eval_expr_5/1,
+ eep37/1]).
%%
%% Define to run outside of test server
@@ -78,7 +79,7 @@ all() ->
pattern_expr, match_bin, guard_3, guard_4, lc,
simple_cases, unary_plus, apply_atom, otp_5269,
otp_6539, otp_6543, otp_6787, otp_6977, otp_7550,
- otp_8133, funs, try_catch, eval_expr_5].
+ otp_8133, funs, try_catch, eval_expr_5, eep37].
groups() ->
[].
@@ -1323,6 +1324,27 @@ eval_expr_5(Config) when is_list(Config) ->
ok
end.
+eep37(Config) when is_list(Config) ->
+ check(fun () -> (fun _(X) -> X end)(42) end,
+ "(fun _(X) -> X end)(42).",
+ 42),
+ check(fun () -> (fun _Id(X) -> X end)(42) end,
+ "(fun _Id(X) -> X end)(42).", 42),
+ check(fun () -> is_function((fun Self() -> Self end)(), 0) end,
+ "is_function((fun Self() -> Self end)(), 0).",
+ true),
+ check(fun () ->
+ F = fun Fact(N) when N > 0 ->
+ N * Fact(N - 1);
+ Fact(0) ->
+ 1
+ end,
+ F(6)
+ end,
+ "(fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end)(6).",
+ 720),
+ ok.
+
%% Check the string in different contexts: as is; in fun; from compiled code.
check(F, String, Result) ->
check1(F, String, Result),
diff --git a/lib/debugger/test/fun_SUITE.erl b/lib/debugger/test/fun_SUITE.erl
index a06cdc7165..8425f973e6 100644
--- a/lib/debugger/test/fun_SUITE.erl
+++ b/lib/debugger/test/fun_SUITE.erl
@@ -24,7 +24,7 @@
init_per_testcase/2,end_per_testcase/2,
init_per_suite/1,end_per_suite/1,
good_call/1,bad_apply/1,bad_fun_call/1,badarity/1,
- ext_badarity/1,otp_6061/1,external/1]).
+ ext_badarity/1,otp_6061/1,external/1,eep37/1]).
%% Internal exports.
-export([nothing/0,call_me/1]).
@@ -48,7 +48,7 @@ end_per_group(_GroupName, Config) ->
cases() ->
[good_call, bad_apply, bad_fun_call, badarity,
- ext_badarity, otp_6061, external].
+ ext_badarity, otp_6061, external, eep37].
init_per_testcase(_Case, Config) ->
test_lib:interpret(?MODULE),
@@ -288,5 +288,18 @@ external(Config) when is_list(Config) ->
call_me(I) ->
{ok,I}.
+eep37(Config) when is_list(Config) ->
+ F = fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end,
+ Add = fun _(N) -> N + 1 end,
+ UnusedName = fun BlackAdder(N) -> N + 42 end,
+ 720 = F(6),
+ 10 = Add(9),
+ 50 = UnusedName(8),
+ [1,1,2,6,24,120] = lists:map(F, lists:seq(0, 5)),
+ {'EXIT',{{badarity,_},_}} = (catch lists:map(fun G() -> G() end, [1])),
+ {'EXIT',{{badarity,_},_}} = (catch F()),
+
+ ok.
+
id(I) ->
I.
diff --git a/lib/dialyzer/test/small_SUITE_data/results/eep37 b/lib/dialyzer/test/small_SUITE_data/results/eep37
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/eep37
diff --git a/lib/dialyzer/test/small_SUITE_data/src/eep37.erl b/lib/dialyzer/test/small_SUITE_data/src/eep37.erl
new file mode 100644
index 0000000000..2818688f95
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/eep37.erl
@@ -0,0 +1,15 @@
+-module(eep37).
+
+-compile(export_all).
+
+-spec self() -> fun(() -> fun()).
+self() ->
+ fun Self() -> Self end.
+
+-spec fact() -> fun((non_neg_integer()) -> non_neg_integer()).
+fact() ->
+ fun Fact(N) when N > 0 ->
+ N * Fact(N - 1);
+ Fact(0) ->
+ 1
+ end.
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index 7ceef727f1..c4b6b35e72 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -41,7 +41,8 @@
funs/1,
try_catch/1,
eval_expr_5/1,
- zero_width/1]).
+ zero_width/1,
+ eep37/1]).
%%
%% Define to run outside of test server
@@ -80,7 +81,8 @@ all() ->
pattern_expr, match_bin, guard_3, guard_4, 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, funs, try_catch, eval_expr_5, zero_width,
+ eep37].
groups() ->
[].
@@ -1401,6 +1403,27 @@ zero_width(Config) when is_list(Config) ->
"ok end.", ok),
ok.
+eep37(Config) when is_list(Config) ->
+ check(fun () -> (fun _(X) -> X end)(42) end,
+ "(fun _(X) -> X end)(42).",
+ 42),
+ check(fun () -> (fun _Id(X) -> X end)(42) end,
+ "(fun _Id(X) -> X end)(42).", 42),
+ check(fun () -> is_function((fun Self() -> Self end)(), 0) end,
+ "is_function((fun Self() -> Self end)(), 0).",
+ true),
+ check(fun () ->
+ F = fun Fact(N) when N > 0 ->
+ N * Fact(N - 1);
+ Fact(0) ->
+ 1
+ end,
+ F(6)
+ end,
+ "(fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end)(6).",
+ 720),
+ ok.
+
%% Check the string in different contexts: as is; in fun; from compiled code.
check(F, String, Result) ->
check1(F, String, Result),
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 6bf87adf14..a71d7f3018 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -575,7 +575,7 @@ unused_vars_warn_rec(Config) when is_list(Config) ->
ok.
unused_vars_warn_fun(doc) ->
- "Warnings for unused variables in records.";
+ "Warnings for unused variables in funs.";
unused_vars_warn_fun(suite) -> [];
unused_vars_warn_fun(Config) when is_list(Config) ->
Ts = [{fun1,
@@ -643,7 +643,60 @@ unused_vars_warn_fun(Config) when is_list(Config) ->
{22,erl_lint,{unused_var,'U'}},
{24,erl_lint,{unused_var,'U'}},
{26,erl_lint,{unused_var,'U'}},
- {26,erl_lint,{shadowed_var,'U','fun'}}]}}
+ {26,erl_lint,{shadowed_var,'U','fun'}}]}},
+ {named_fun,
+ <<"u() ->
+ fun U() -> foo end, % U unused.
+ U; % U unbound.
+ u() ->
+ case foo of
+ true ->
+ U = 2;
+ false ->
+ true
+ end,
+ fun U() -> foo end, % U unused.
+ U; % U unsafe.
+ u() ->
+ case foo of
+ true ->
+ U = 2;
+ false ->
+ U = 3
+ end,
+ fun U() -> foo end, % U shadowed. U unused.
+ U;
+ u() ->
+ case foo of
+ true ->
+ U = 2; % U unused.
+ false ->
+ U = 3 % U unused.
+ end,
+ fun U() -> foo end; % U shadowed. U unused.
+ u() ->
+ fun U(U) -> foo end; % U shadowed. U unused.
+ u() ->
+ fun U(1) -> U; U(U) -> foo end; % U shadowed. U unused.
+ u() ->
+ fun _(N) -> N + 1 end. % Cover handling of '_' name.
+ ">>,
+ [warn_unused_vars],
+ {error,[{3,erl_lint,{unbound_var,'U'}},
+ {12,erl_lint,{unsafe_var,'U',{'case',5}}}],
+ [{2,erl_lint,{unused_var,'U'}},
+ {11,erl_lint,{unused_var,'U'}},
+ {20,erl_lint,{unused_var,'U'}},
+ {20,erl_lint,{shadowed_var,'U','named fun'}},
+ {25,erl_lint,{unused_var,'U'}},
+ {27,erl_lint,{unused_var,'U'}},
+ {29,erl_lint,{unused_var,'U'}},
+ {29,erl_lint,{shadowed_var,'U','named fun'}},
+ {31,erl_lint,{unused_var,'U'}},
+ {31,erl_lint,{unused_var,'U'}},
+ {31,erl_lint,{shadowed_var,'U','fun'}},
+ {33,erl_lint,{unused_var,'U'}},
+ {33,erl_lint,{shadowed_var,'U','fun'}}]}}
],
?line [] = run(Config, Ts),
ok.
@@ -2201,7 +2254,8 @@ otp_5878(Config) when is_list(Config) ->
<<"-record(r1, {t = case foo of _ -> 3 end}).
-record(r2, {a = case foo of A -> A; _ -> 3 end}).
-record(r3, {a = case foo of A -> A end}).
- t() -> {#r1{},#r2{},#r3{}}.
+ -record(r4, {a = fun _AllowedFunName() -> allowed end}).
+ t() -> {#r1{},#r2{},#r3{},#r4{}}.
">>,
[warn_unused_record],
{errors,[{2,erl_lint,{variable_in_record_def,'A'}},
diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl
index 70a9d70e5c..cc744ee76b 100644
--- a/lib/stdlib/test/erl_pp_SUITE.erl
+++ b/lib/stdlib/test/erl_pp_SUITE.erl
@@ -130,7 +130,27 @@ func(Config) when is_list(Config) ->
true
end)().">>},
{func_7,
- <<"t(M, F, A) -> fun M:F/A.">>}
+ <<"t(M, F, A) -> fun M:F/A.">>},
+ {func_8,
+ <<"-record(r1, {a,b}).
+ -record(r3, {a = fun Id(_) -> #r1{} end(1), b}).
+
+ t() ->
+ fun Id(A) when record(A#r3.a, r1) -> 7 end(#r3{}).
+ ">>},
+ {func_9,
+ <<"-record(r1, {a,b}).
+ -record(r3, {a = fun Id(_) -> #r1{} end(1), b}).
+
+ t() ->
+ fsdfsdfjsdfjkljf:sdlfjdsfjlf(
+ fun Id(sdfsd) -> {sdkjsdf,sdfjsdkljfsdl,sdfkjdklf} end).
+ ">>},
+ {func_10,
+ <<"t() ->
+ (fun True() ->
+ true
+ end)().">>}
],
?line compile(Config, Ts),
ok.
@@ -158,6 +178,7 @@ recs(Config) when is_list(Config) ->
-record(r1, {a,b}).
-record(r2, {a = #r1{},b,c=length([1,2,3])}).
-record(r3, {a = fun(_) -> #r1{} end(1), b}).
+ -record(r4, {a = fun R1(_) -> #r1{} end(1), b}).
t() ->
foo = fun(A) when A#r1.a > A#r1.b -> foo end(#r1{b = 2}),
@@ -741,6 +762,7 @@ neg_indent(Config) when is_list(Config) ->
?line ok = pp_expr(<<"{[a,b,c],[d,e|f]}">>),
?line ok = pp_expr(<<"f(a,b,c)">>),
?line ok = pp_expr(<<"fun() when a,b;c,d -> a end">>),
+ ?line ok = pp_expr(<<"fun A() when a,b;c,d -> a end">>),
?line ok = pp_expr(<<"<<34:32,17:32>>">>),
?line ok = pp_expr(<<"if a,b,c -> d; e,f,g -> h,i end">>),
?line ok = pp_expr(<<"if a -> d; c -> d end">>),
@@ -763,6 +785,9 @@ neg_indent(Config) when is_list(Config) ->
Fun2 = {'fun',2,{clauses,[{clause,2,[],[],[{atom,3,true}]}]},
{0,108059557,'-t/0-fun-0-'}},
?line "fun() -> true end" = flat_expr(Fun2),
+ Fun3 = {named_fun,3,'True',[{clause,3,[],[],[{atom,3,true}]}],
+ {0,424242424,'-t/0-True-0-'}},
+ ?line "fun True() -> true end" = flat_expr(Fun3),
ok.
diff --git a/lib/stdlib/test/ms_transform_SUITE.erl b/lib/stdlib/test/ms_transform_SUITE.erl
index a17307b07b..4ec13ed472 100644
--- a/lib/stdlib/test/ms_transform_SUITE.erl
+++ b/lib/stdlib/test/ms_transform_SUITE.erl
@@ -40,6 +40,7 @@
-export([action_function/1]).
-export([warnings/1]).
-export([no_warnings/1]).
+-export([eep37/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
init_per_testcase(_Func, Config) ->
@@ -57,7 +58,7 @@ all() ->
record_index, multipass, bitsyntax, record_defaults,
andalso_orelse, float_1_function, action_function,
warnings, no_warnings, top_match, old_guards, autoimported,
- semicolon].
+ semicolon, eep37].
groups() ->
[].
@@ -806,6 +807,14 @@ action_function(Config) when is_list(Config) ->
ok.
+eep37(Config) when is_list(Config) ->
+ setup(Config),
+ [{'$1',[],['$1']}] =
+ compile_and_run(<<"F = fun _Ms() ->\n"
+ " ets:fun2ms(fun (X) -> X end)\n"
+ " end,\n"
+ "F()">>).
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl
index 5f9244b479..2846657c09 100644
--- a/lib/stdlib/test/qlc_SUITE.erl
+++ b/lib/stdlib/test/qlc_SUITE.erl
@@ -76,7 +76,9 @@
manpage/1,
- backward/1, forward/1]).
+ backward/1, forward/1,
+
+ eep37/1]).
%% Internal exports.
-export([bad_table_throw/1, bad_table_exit/1, default_table/1, bad_table/1,
@@ -132,7 +134,7 @@ groups() ->
evaluator, string_to_handle, table, process_dies, sort,
keysort, filesort, cache, cache_list, filter, info,
nested_info, lookup1, lookup2, lookup_rec, indices,
- pre_fun, skip_filters]},
+ pre_fun, skip_filters, eep37]},
{table_impls, [], [ets, dets]},
{join, [],
[join_option, join_filter, join_lookup, join_merge,
@@ -7427,6 +7429,14 @@ forward(Config) when is_list(Config) ->
?line run(Config, Ts),
ok.
+eep37(Config) when is_list(Config) ->
+ Ts = [
+ <<"H = (fun _Handle() -> qlc:q([X || X <- []]) end)(),
+ [] = qlc:eval(H)">>
+ ],
+ run(Config, Ts),
+ ok.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
bad_table_throw(Tab) ->
diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl
index 29b26c7a76..bd71218474 100644
--- a/lib/tools/test/cover_SUITE.erl
+++ b/lib/tools/test/cover_SUITE.erl
@@ -28,7 +28,7 @@
export_import/1,
otp_5031/1, eif/1, otp_5305/1, otp_5418/1, otp_6115/1, otp_7095/1,
otp_8188/1, otp_8270/1, otp_8273/1, otp_8340/1,
- otp_10979_hanging_node/1, compile_beam_opts/1]).
+ otp_10979_hanging_node/1, compile_beam_opts/1, eep37/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -53,7 +53,7 @@ all() ->
dont_reconnect_after_stop, stop_node_after_disconnect,
export_import, otp_5031, eif, otp_5305, otp_5418,
otp_6115, otp_7095, otp_8188, otp_8270, otp_8273,
- otp_8340, otp_10979_hanging_node, compile_beam_opts];
+ otp_8340, otp_10979_hanging_node, compile_beam_opts, eep37];
_pid ->
{skip,
"It looks like the test server is running "
@@ -1382,6 +1382,20 @@ comprehension_8188(Cf) ->
ok.
+eep37(Config) when is_list(Config) ->
+ [{{t,1},1},{{t,2},1},{{t,4},6},{{t,6},1},{{t,8},1}] =
+ analyse_expr(<<"begin\n" % 1
+ " F =\n" % 1
+ " fun Fact(N) when N > 0 ->\n"
+ " N * Fact(N - 1);\n" % 6
+ " Fact(0) ->\n"
+ " 1\n" % 1
+ " end,\n"
+ " F(6)\n" % 1
+ "end\n">>,
+ Config),
+ ok.
+
otp_10979_hanging_node(_Config) ->
P1 = processes(),
diff --git a/lib/tools/test/xref_SUITE.erl b/lib/tools/test/xref_SUITE.erl
index 31b0b13b7b..3e9eaf259c 100644
--- a/lib/tools/test/xref_SUITE.erl
+++ b/lib/tools/test/xref_SUITE.erl
@@ -1047,7 +1047,7 @@ read_expected(Version) ->
POS1 = 28, POS2 = POS1+10, POS3 = POS2+6, POS4 = POS3+6, POS5 = POS4+10,
POS6 = POS5+5, POS7 = POS6+6, POS8 = POS7+6, POS9 = POS8+8,
POS10 = POS9+10, POS11 = POS10+7, POS12 = POS11+8, POS13 = POS12+10,
- POS14 = POS13+18, % POS15 = POS14+23,
+ POS14 = POS13+18, POS15 = POS14+23,
FF = {read,funfuns,0},
U = [{POS1+5,{FF,{dist,'$F_EXPR',0}}},
@@ -1196,11 +1196,6 @@ read_expected(Version) ->
{0,{FF,{modul,'$F_EXPR',179}}}]
++ O1;
_ ->
-% [{POS15+2,{{read,bi,0},{foo,t,0}}},
-% {POS15+3,{{read,bi,0},{bar,t,0}}},
-% {POS15+6,{{read,bi,0},{read,local,0}}},
-% {POS15+8,{{read,bi,0},{foo,t,0}}},
-% {POS15+10,{{read,bi,0},{bar,t,0}}}] ++
[{16,{FF,{read,'$F_EXPR',178}}},
{17,{FF,{modul,'$F_EXPR',179}}}]
++
@@ -1227,7 +1222,11 @@ read_expected(Version) ->
_ ->
[{POS13+16, {{read,bi,0},{erlang,'!',2}}},
{POS13+16, {{read,bi,0},{erlang,'-',1}}},
- {POS13+16, {{read,bi,0},{erlang,self,0}}}]
+ {POS13+16, {{read,bi,0},{erlang,self,0}}},
+ {POS15+1, {{read,bi,0},{erlang,'>',2}}},
+ {POS15+2, {{read,bi,0},{erlang,'-',2}}},
+ {POS15+2, {{read,bi,0},{erlang,'*',2}}},
+ {POS15+8, {{read,bi,0},{erlang,'/',2}}}]
end
++ [{POS14+19, {{read,bi,0},{erlang,'+',2}}},
{POS14+21, {{read,bi,0},{erlang,'+',2}}},
diff --git a/lib/tools/test/xref_SUITE_data/read/read.erl b/lib/tools/test/xref_SUITE_data/read/read.erl
index 19694c9e25..5f388194b0 100644
--- a/lib/tools/test/xref_SUITE_data/read/read.erl
+++ b/lib/tools/test/xref_SUITE_data/read/read.erl
@@ -156,20 +156,19 @@ bi() ->
<<D:16, E, F/binary>> = Bin3,
X = 9, <<(X+1):8>>,
_Fyy = <<X:4/little-signed-integer-unit:8>>,
- D + E + F.
-%bi() ->
-% %% POS15=POS14+13
-% try
-% foo:t(),
-% bar:t()
-% of
-% {v,1} ->
-% local();
-% {v,2} ->
-% foo:t()
-% catch
-% {'EXIT',_} -> bar:t()
-% end.
+ D + E + F;
+bi() ->
+ %% EEP37. POS15=POS14+23
+ F = fun Fact(N) when N > 0 ->
+ N * Fact(N - 1);
+ Fact(0) ->
+ 1
+ end,
+ F(6),
+ G = fun _(foo) -> bar;
+ _(X) -> X / 3
+ end,
+ G(foo).
local() ->
true.