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-rw-r--r--lib/compiler/src/core_lint.erl2
-rw-r--r--lib/compiler/src/sys_core_fold.erl7
-rw-r--r--lib/compiler/test/Makefile1
-rw-r--r--lib/compiler/test/core_fold_SUITE.erl44
-rw-r--r--lib/compiler/test/unused_multiple_values_error.core11
-rw-r--r--lib/kernel/src/inet6_tcp_dist.erl8
-rw-r--r--lib/kernel/src/inet_tcp_dist.erl8
-rw-r--r--lib/stdlib/src/erl_lint.erl19
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl112
-rw-r--r--lib/tools/vsn.mk2
10 files changed, 182 insertions, 32 deletions
diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl
index 8b688df830..1e8983f594 100644
--- a/lib/compiler/src/core_lint.erl
+++ b/lib/compiler/src/core_lint.erl
@@ -309,7 +309,7 @@ expr(#c_fun{vars=Vs,body=B}, Def, Rt, St0) ->
{Vvs,St1} = variable_list(Vs, St0),
return_match(Rt, 1, body(B, union(Vvs, Def), any, St1));
expr(#c_seq{arg=Arg,body=B}, Def, Rt, St0) ->
- St1 = expr(Arg, Def, any, St0), %Ignore values
+ St1 = expr(Arg, Def, 1, St0),
body(B, Def, Rt, St1);
expr(#c_let{vars=Vs,arg=Arg,body=B}, Def, Rt, St0) ->
St1 = body(Arg, Def, let_varcount(Vs), St0), %This is a body
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 07b054c5d7..cda3f7d81e 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -132,7 +132,12 @@ body(Body, Sub) ->
body(#c_values{anno=A,es=Es0}, Ctxt, Sub) ->
Es1 = expr_list(Es0, Ctxt, Sub),
- #c_values{anno=A,es=Es1};
+ case Ctxt of
+ value ->
+ #c_values{anno=A,es=Es1};
+ effect ->
+ make_effect_seq(Es1, Sub)
+ end;
body(E, Ctxt, Sub) ->
?ASSERT(verify_scope(E, Sub)),
expr(E, Ctxt, Sub).
diff --git a/lib/compiler/test/Makefile b/lib/compiler/test/Makefile
index b9c5be09ce..51b3064589 100644
--- a/lib/compiler/test/Makefile
+++ b/lib/compiler/test/Makefile
@@ -75,6 +75,7 @@ INLINE= \
CORE_MODULES = \
bs_shadowed_size_var \
+ unused_multiple_values_error \
nested_call_in_case
diff --git a/lib/compiler/test/core_fold_SUITE.erl b/lib/compiler/test/core_fold_SUITE.erl
index c2a592f699..abc9ab6a72 100644
--- a/lib/compiler/test/core_fold_SUITE.erl
+++ b/lib/compiler/test/core_fold_SUITE.erl
@@ -21,7 +21,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
t_element/1,setelement/1,t_length/1,append/1,t_apply/1,bifs/1,
- eq/1,nested_call_in_case/1,guard_try_catch/1,coverage/1]).
+ eq/1,nested_call_in_case/1,guard_try_catch/1,coverage/1,
+ unused_multiple_values_error/1,unused_multiple_values/1]).
-export([foo/0,foo/1,foo/2,foo/3]).
@@ -36,7 +37,8 @@ all() ->
groups() ->
[{p,test_lib:parallel(),
[t_element,setelement,t_length,append,t_apply,bifs,
- eq,nested_call_in_case,guard_try_catch,coverage]}].
+ eq,nested_call_in_case,guard_try_catch,coverage,
+ unused_multiple_values_error,unused_multiple_values]}].
init_per_suite(Config) ->
@@ -289,3 +291,41 @@ cover_is_safe_bool_expr(X) ->
end.
id(I) -> I.
+
+unused_multiple_values_error(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:dirname(code:which(?MODULE)),
+ Core = filename:join(Dir, "unused_multiple_values_error"),
+ Opts = [no_copt,clint,return,from_core,{outdir,PrivDir}
+ |test_lib:opt_opts(?MODULE)],
+ {error,[{unused_multiple_values_error,
+ [{core_lint,{return_mismatch,{hello,1}}}]}],
+ []} = c:c(Core, Opts),
+ ok.
+
+unused_multiple_values(Config) when is_list(Config) ->
+ put(unused_multiple_values, []),
+ [false] = test_unused_multiple_values(false),
+ [b,a,{a,b},false] = test_unused_multiple_values({a,b}),
+ ok.
+
+test_unused_multiple_values(X) ->
+ ok = do_unused_multiple_values(X),
+ get(unused_multiple_values).
+
+do_unused_multiple_values(X) ->
+ case do_something(X) of
+ false ->
+ A = false;
+ Res ->
+ {A,B} = Res,
+ do_something(A),
+ do_something(B)
+ end,
+ _ThisShouldNotFail = A,
+ ok.
+
+do_something(I) ->
+ put(unused_multiple_values,
+ [I|get(unused_multiple_values)]),
+ I.
diff --git a/lib/compiler/test/unused_multiple_values_error.core b/lib/compiler/test/unused_multiple_values_error.core
new file mode 100644
index 0000000000..e06587c936
--- /dev/null
+++ b/lib/compiler/test/unused_multiple_values_error.core
@@ -0,0 +1,11 @@
+module 'unused_multiple_values_error' ['hello'/1]
+ attributes []
+'hello'/1 =
+ fun (_cor0) ->
+ do
+ case _cor0 of
+ <_cor0> when 'true' ->
+ <'ok','ok'>
+ end
+ 'ok'
+end
diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl
index b9c4fa607c..2315a56582 100644
--- a/lib/kernel/src/inet6_tcp_dist.erl
+++ b/lib/kernel/src/inet6_tcp_dist.erl
@@ -71,8 +71,12 @@ listen(Name) ->
{ok, Socket} ->
TcpAddress = get_tcp_address(Socket),
{_,Port} = TcpAddress#net_address.address,
- {ok, Creation} = erl_epmd:register_node(Name, Port),
- {ok, {Socket, TcpAddress, Creation}};
+ case erl_epmd:register_node(Name, Port) of
+ {ok, Creation} ->
+ {ok, {Socket, TcpAddress, Creation}};
+ Error ->
+ Error
+ end;
Error ->
Error
end.
diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl
index 7f935c2b36..70f3c87723 100644
--- a/lib/kernel/src/inet_tcp_dist.erl
+++ b/lib/kernel/src/inet_tcp_dist.erl
@@ -67,8 +67,12 @@ listen(Name) ->
{ok, Socket} ->
TcpAddress = get_tcp_address(Socket),
{_,Port} = TcpAddress#net_address.address,
- {ok, Creation} = erl_epmd:register_node(Name, Port),
- {ok, {Socket, TcpAddress, Creation}};
+ case erl_epmd:register_node(Name, Port) of
+ {ok, Creation} ->
+ {ok, {Socket, TcpAddress, Creation}};
+ Error ->
+ Error
+ end;
Error ->
Error
end.
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index deae9640f5..12505b33d1 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -152,8 +152,6 @@ format_error({attribute,A}) ->
io_lib:format("attribute '~w' after function definitions", [A]);
format_error({missing_qlc_hrl,A}) ->
io_lib:format("qlc:q/~w called, but \"qlc.hrl\" not included", [A]);
-format_error({redefine_import,{bif,{F,A},M}}) ->
- io_lib:format("function ~w/~w already auto-imported from ~w", [F,A,M]);
format_error({redefine_import,{{F,A},M}}) ->
io_lib:format("function ~w/~w already imported from ~w", [F,A,M]);
format_error({bad_inline,{F,A}}) ->
@@ -222,8 +220,6 @@ format_error({removed, MFA, String}) when is_list(String) ->
io_lib:format("~s: ~s", [format_mfa(MFA), String]);
format_error({obsolete_guard, {F, A}}) ->
io_lib:format("~p/~p obsolete", [F, A]);
-format_error({reserved_for_future,K}) ->
- io_lib:format("atom ~w: future reserved keyword - rename or quote", [K]);
format_error({too_many_arguments,Arity}) ->
io_lib:format("too many arguments (~w) - "
"maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]);
@@ -236,11 +232,6 @@ format_error({illegal_guard_local_call, {F,A}}) ->
io_lib:format("call to local/imported function ~w/~w is illegal in guard",
[F,A]);
format_error(illegal_guard_expr) -> "illegal guard expression";
-%% --- exports ---
-format_error({explicit_export,F,A}) ->
- io_lib:format("in this release, the call to ~w/~w must be written "
- "like this: erlang:~w/~w",
- [F,A,F,A]);
%% --- records ---
format_error({undefined_record,T}) ->
io_lib:format("record ~w undefined", [T]);
@@ -278,8 +269,6 @@ format_error({variable_in_record_def,V}) ->
%% --- binaries ---
format_error({undefined_bittype,Type}) ->
io_lib:format("bit type ~w undefined", [Type]);
-format_error({bittype_mismatch,T1,T2,What}) ->
- io_lib:format("bit type mismatch (~s) between ~p and ~p", [What,T1,T2]);
format_error(bittype_unit) ->
"a bit unit size must not be specified unless a size is specified too";
format_error(illegal_bitsize) ->
@@ -1798,11 +1787,9 @@ gexpr({call,Line,{atom,_La,F},As}, Vt, St0) ->
%% BifClash - Function called in guard
case erl_internal:guard_bif(F, A) andalso no_guard_bif_clash(St1,{F,A}) of
true ->
- %% Also check that it is auto-imported.
- case erl_internal:bif(F, A) of
- true -> {Asvt,St1};
- false -> {Asvt,add_error(Line, {explicit_export,F,A}, St1)}
- end;
+ %% Assert that it is auto-imported.
+ true = erl_internal:bif(F, A),
+ {Asvt,St1};
false ->
case is_local_function(St1#lint.locals,{F,A}) orelse
is_imported_function(St1#lint.imports,{F,A}) of
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 564f27a512..36229b6989 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -58,7 +58,8 @@
otp_8051/1,
format_warn/1,
on_load_successful/1, on_load_failing/1,
- too_many_arguments/1
+ too_many_arguments/1,
+ basic_errors/1,bin_syntax_errors/1
]).
% Default timetrap timeout (set in init_per_testcase).
@@ -84,7 +85,7 @@ all() ->
otp_5878, otp_5917, otp_6585, otp_6885, otp_10436, export_all,
bif_clash, behaviour_basic, behaviour_multiple,
otp_7550, otp_8051, format_warn, {group, on_load},
- too_many_arguments].
+ too_many_arguments, basic_errors, bin_syntax_errors].
groups() ->
[{unused_vars_warn, [],
@@ -1351,7 +1352,17 @@ guard(Config) when is_list(Config) ->
(is_record(X, apa)*2)].
">>,
[],
- []}],
+ []},
+ {guard8,
+ <<"t(A) when erlang:is_foobar(A) -> ok;
+ t(A) when A ! ok -> ok;
+ t(A) when A ++ [x] -> ok."
+ >>,
+ [],
+ {errors,[{1,erl_lint,illegal_guard_expr},
+ {2,erl_lint,illegal_guard_expr},
+ {3,erl_lint,illegal_guard_expr}],[]}}
+ ],
?line [] = run(Config, Ts1),
ok.
@@ -1639,6 +1650,7 @@ otp_5276(Config) when is_list(Config) ->
-deprecated([{'_','_',never}]).
-deprecated([{{badly,formed},1}]).
-deprecated([{'_','_',next_major_release}]).
+ -deprecated([{atom_to_list,1}]).
-export([t/0]).
frutt() -> ok.
t() -> ok.
@@ -1649,8 +1661,9 @@ otp_5276(Config) when is_list(Config) ->
{3,erl_lint,{invalid_deprecated,'foo bar'}},
{5,erl_lint,{bad_deprecated,{f,'_'}}},
{8,erl_lint,{invalid_deprecated,{'_','_',never}}},
- {9,erl_lint,{invalid_deprecated,{{badly,formed},1}}}],
- [{12,erl_lint,{unused_function,{frutt,0}}}]}}],
+ {9,erl_lint,{invalid_deprecated,{{badly,formed},1}}},
+ {11,erl_lint,{bad_deprecated,{atom_to_list,1}}}],
+ [{13,erl_lint,{unused_function,{frutt,0}}}]}}],
?line [] = run(Config, Ts),
ok.
@@ -1896,9 +1909,23 @@ otp_5362(Config) when is_list(Config) ->
warn_deprecated_function,
warn_bif_clash]},
{errors,
- [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}}
+ [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}},
- ],
+ {call_deprecated_function,
+ <<"t(X) -> erlang:hash(X, 2000).">>,
+ [],
+ {warnings,
+ [{1,erl_lint,{deprecated,{erlang,hash,2},
+ {erlang,phash2,2},"in a future release"}}]}},
+
+ {call_removed_function,
+ <<"t(X) -> regexp:match(X).">>,
+ [],
+ {warnings,
+ [{1,erl_lint,{removed,{regexp,match,1},
+ "removed in R15; use the re module instead"}}]}}
+
+ ],
?line [] = run(Config, Ts),
ok.
@@ -2971,6 +2998,77 @@ too_many_arguments(Config) when is_list(Config) ->
ok.
+%% Test some basic errors to improve coverage.
+basic_errors(Config) ->
+ Ts = [{redefine_module,
+ <<"-module(redefine_module).">>,
+ [],
+ {errors,[{1,erl_lint,redefine_module}],[]}},
+
+ {attr_after_function,
+ <<"f() -> ok.
+ -attr(x).">>,
+ [],
+ {errors,[{2,erl_lint,{attribute,attr}}],[]}},
+
+ {redefine_function,
+ <<"f() -> ok.
+ f() -> ok.">>,
+ [],
+ {errors,[{2,erl_lint,{redefine_function,{f,0}}}],[]}},
+
+ {redefine_record,
+ <<"-record(r, {a}).
+ -record(r, {a}).
+ f(#r{}) -> ok.">>,
+ [],
+ {errors,[{2,erl_lint,{redefine_record,r}}],[]}},
+
+ {illegal_record_info,
+ <<"f1() -> record_info(42, record).
+ f2() -> record_info(shoe_size, record).">>,
+ [],
+ {errors,[{1,erl_lint,illegal_record_info},
+ {2,erl_lint,illegal_record_info}],[]}},
+
+ {illegal_expr,
+ <<"f() -> a:b.">>,
+ [],
+ {errors,[{1,erl_lint,illegal_expr}],[]}},
+
+ {illegal_pattern,
+ <<"f(A+B) -> ok.">>,
+ [],
+ {errors,[{1,erl_lint,illegal_pattern}],[]}}
+ ],
+ [] = run(Config, Ts),
+ ok.
+
+%% Test binary syntax errors
+bin_syntax_errors(Config) ->
+ Ts = [{bin_syntax_errors,
+ <<"t(<<X:bad_size>>) -> X;
+ t(<<_:(x ! y)/integer>>) -> ok;
+ t(<<X:all/integer>>) -> X;
+ t(<<X/bad_type>>) -> X;
+ t(<<X/unit:8>>) -> X;
+ t(<<X:7/float>>) -> X;
+ t(<< <<_:8>> >>) -> ok;
+ t(<<(x ! y):8/integer>>) -> ok.
+ ">>,
+ [],
+ {error,[{1,erl_lint,illegal_bitsize},
+ {2,erl_lint,illegal_bitsize},
+ {3,erl_lint,illegal_bitsize},
+ {4,erl_lint,{undefined_bittype,bad_type}},
+ {5,erl_lint,bittype_unit},
+ {7,erl_lint,illegal_pattern},
+ {8,erl_lint,illegal_pattern}],
+ [{6,erl_lint,{bad_bitsize,"float"}}]}}
+ ],
+ [] = run(Config, Ts),
+ ok.
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of
diff --git a/lib/tools/vsn.mk b/lib/tools/vsn.mk
index 892a425124..4fb2f30e4f 100644
--- a/lib/tools/vsn.mk
+++ b/lib/tools/vsn.mk
@@ -1 +1 @@
-TOOLS_VSN = 2.6.9
+TOOLS_VSN = 2.6.10
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:45:04 +0000