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-rw-r--r--lib/stdlib/doc/src/lists.xml26
-rw-r--r--lib/stdlib/src/erl_parse.yrl7
-rw-r--r--lib/syntax_tools/src/erl_prettypr.erl5
-rw-r--r--lib/syntax_tools/test/syntax_tools_SUITE.erl36
-rw-r--r--lib/syntax_tools/test/syntax_tools_SUITE_data/specs_and_funs.erl18
5 files changed, 71 insertions, 21 deletions
diff --git a/lib/stdlib/doc/src/lists.xml b/lib/stdlib/doc/src/lists.xml
index 66146e9258..2755fb3dce 100644
--- a/lib/stdlib/doc/src/lists.xml
+++ b/lib/stdlib/doc/src/lists.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2018</year>
+ <year>1996</year><year>2019</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -689,6 +689,18 @@ c</pre>
</func>
<func>
+ <name name="search" arity="2" since="OTP 21.0"/>
+ <fsummary>Find the first element that satisfies a predicate.</fsummary>
+ <desc>
+ <p>If there is a <c><anno>Value</anno></c> in <c><anno>List</anno></c>
+ such that <c><anno>Pred</anno>(<anno>Value</anno>)</c> returns
+ <c>true</c>, returns <c>{value, <anno>Value</anno>}</c>
+ for the first such <c><anno>Value</anno></c>,
+ otherwise returns <c>false</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="seq" arity="2" since=""/>
<name name="seq" arity="3" since=""/>
<fsummary>Generate a sequence of integers.</fsummary>
@@ -771,18 +783,6 @@ length(lists:seq(From, To, Incr)) =:= (To - From + Incr) div Incr</code>
</func>
<func>
- <name name="search" arity="2" since="OTP 21.0"/>
- <fsummary>Find the first element that satisfies a predicate.</fsummary>
- <desc>
- <p>If there is a <c><anno>Value</anno></c> in <c><anno>List</anno></c>
- such that <c><anno>Pred</anno>(<anno>Value</anno>)</c> returns
- <c>true</c>, returns <c>{value, <anno>Value</anno>}</c>
- for the first such <c><anno>Value</anno></c>,
- otherwise returns <c>false</c>.</p>
- </desc>
- </func>
-
- <func>
<name name="splitwith" arity="2" since=""/>
<fsummary>Split a list into two lists based on a predicate.</fsummary>
<desc>
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 9602f0bcd9..5fa9c4f75c 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -872,7 +872,7 @@ Erlang code.
-type af_fun_type() :: {'type', anno(), 'fun', []}
| {'type', anno(), 'fun', [{'type', anno(), 'any'} |
abstract_type()]}
- | {'type', anno(), 'fun', af_function_type()}.
+ | af_function_type().
-type af_integer_range_type() ::
{'type', anno(), 'range', [af_singleton_integer_type()]}.
@@ -924,10 +924,11 @@ Erlang code.
-type af_function_constraint() :: [af_constraint()].
-type af_constraint() :: {'type', anno(), 'constraint',
- af_lit_atom('is_subtype'),
- [af_type_variable() | abstract_type()]}. % [V, T]
+ [af_lit_atom('is_subtype') |
+ [af_type_variable() | abstract_type()]]}. % [IsSubtype, [V, T]]
-type af_singleton_integer_type() :: af_integer()
+ | af_character()
| af_unary_op(af_singleton_integer_type())
| af_binary_op(af_singleton_integer_type()).
diff --git a/lib/syntax_tools/src/erl_prettypr.erl b/lib/syntax_tools/src/erl_prettypr.erl
index 6906ef1553..6ad9bec2e6 100644
--- a/lib/syntax_tools/src/erl_prettypr.erl
+++ b/lib/syntax_tools/src/erl_prettypr.erl
@@ -1101,8 +1101,9 @@ lay_2(Node, Ctxt) ->
Ctxt1 = reset_prec(Ctxt),
D1 = lay(erl_syntax:constrained_function_type_body(Node),
Ctxt1),
+ Ctxt2 = Ctxt1#ctxt{clause = undefined},
D2 = lay(erl_syntax:constrained_function_type_argument(Node),
- Ctxt1),
+ Ctxt2),
beside(D1,
beside(floating(text(" when ")), D2));
@@ -1113,7 +1114,7 @@ lay_2(Node, Ctxt) ->
_ ->
{"fun(", ")"}
end,
- Ctxt1 = reset_prec(Ctxt),
+ Ctxt1 = (reset_prec(Ctxt))#ctxt{clause = undefined},
D1 = case erl_syntax:function_type_arguments(Node) of
any_arity ->
text("(...)");
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl
index 9dbd0e302a..6b42f7a0a1 100644
--- a/lib/syntax_tools/test/syntax_tools_SUITE.erl
+++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl
@@ -26,14 +26,14 @@
-export([app_test/1,appup_test/1,smoke_test/1,revert/1,revert_map/1,
revert_map_type/1,
t_abstract_type/1,t_erl_parse_type/1,t_type/1, t_epp_dodger/1,
- t_comment_scan/1,t_igor/1,t_erl_tidy/1]).
+ t_comment_scan/1,t_igor/1,t_erl_tidy/1,t_prettypr/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app_test,appup_test,smoke_test,revert,revert_map,revert_map_type,
t_abstract_type,t_erl_parse_type,t_type,t_epp_dodger,
- t_comment_scan,t_igor,t_erl_tidy].
+ t_comment_scan,t_igor,t_erl_tidy,t_prettypr].
groups() ->
[].
@@ -300,6 +300,14 @@ t_comment_scan(Config) when is_list(Config) ->
ok = test_comment_scan(Filenames,DataDir),
ok.
+t_prettypr(Config) when is_list(Config) ->
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ Filenames = ["type_specs.erl",
+ "specs_and_funs.erl"],
+ ok = test_prettypr(Filenames,DataDir,PrivDir),
+ ok.
+
test_files(Config) ->
DataDir = ?config(data_dir, Config),
[ filename:join(DataDir,Filename) || Filename <- test_files() ].
@@ -307,7 +315,8 @@ test_files(Config) ->
test_files() ->
["syntax_tools_SUITE_test_module.erl",
"syntax_tools_test.erl",
- "type_specs.erl"].
+ "type_specs.erl",
+ "specs_and_funs.erl"].
t_igor(Config) when is_list(Config) ->
DataDir = ?config(data_dir, Config),
@@ -359,6 +368,27 @@ test_comment_scan([File|Files],DataDir) ->
test_comment_scan(Files,DataDir).
+test_prettypr([],_,_) -> ok;
+test_prettypr([File|Files],DataDir,PrivDir) ->
+ Filename = filename:join(DataDir,File),
+ io:format("Parsing ~p~n", [Filename]),
+ {ok, Fs0} = epp:parse_file(Filename, [], []),
+ Fs = erl_syntax:form_list(Fs0),
+ PP = erl_prettypr:format(Fs, [{paper, 120}, {ribbon, 110}]),
+ io:put_chars(PP),
+ OutFile = filename:join(PrivDir, File),
+ ok = file:write_file(OutFile,iolist_to_binary(PP)),
+ io:format("Parsing OutFile: ~s~n", [OutFile]),
+ {ok, Fs2} = epp:parse_file(OutFile, [], []),
+ case [Error || {error, _} = Error <- Fs2] of
+ [] ->
+ ok;
+ Errors ->
+ ?t:fail(Errors)
+ end,
+ test_prettypr(Files,DataDir,PrivDir).
+
+
test_epp_dodger([], _, _) -> ok;
test_epp_dodger([Filename|Files],DataDir,PrivDir) ->
io:format("Parsing ~p~n", [Filename]),
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE_data/specs_and_funs.erl b/lib/syntax_tools/test/syntax_tools_SUITE_data/specs_and_funs.erl
new file mode 100644
index 0000000000..8dfeaf5a6b
--- /dev/null
+++ b/lib/syntax_tools/test/syntax_tools_SUITE_data/specs_and_funs.erl
@@ -0,0 +1,18 @@
+-module(specs_and_funs).
+
+-export([my_apply/3, two/1]).
+
+%% OTP-15519, ERL-815
+
+-spec my_apply(Fun, Arg, fun((A) -> A)) -> Result when
+ Fun :: fun((Arg) -> Result),
+ Arg :: any(),
+ Result :: any().
+
+my_apply(Fun, Arg, _) ->
+ Fun(Arg).
+
+-spec two(fun((A) -> A)) -> fun((B) -> B).
+
+two(F) ->
+ F(fun(X) -> X end).
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 09:51:37 +0000