diff options
-rw-r--r-- | bootstrap/lib/compiler/ebin/core_lint.beam | bin | 11636 -> 11636 bytes | |||
-rw-r--r-- | bootstrap/lib/compiler/ebin/sys_core_fold.beam | bin | 47060 -> 47052 bytes | |||
-rw-r--r-- | bootstrap/lib/kernel/ebin/inet6_tcp_dist.beam | bin | 6248 -> 6240 bytes | |||
-rw-r--r-- | bootstrap/lib/kernel/ebin/inet_tcp_dist.beam | bin | 6532 -> 6524 bytes | |||
-rw-r--r-- | bootstrap/lib/stdlib/ebin/erl_lint.beam | bin | 82492 -> 82108 bytes | |||
-rw-r--r-- | lib/compiler/src/core_lint.erl | 2 | ||||
-rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 7 | ||||
-rw-r--r-- | lib/compiler/test/Makefile | 1 | ||||
-rw-r--r-- | lib/compiler/test/core_fold_SUITE.erl | 44 | ||||
-rw-r--r-- | lib/compiler/test/unused_multiple_values_error.core | 11 | ||||
-rw-r--r-- | lib/kernel/src/inet6_tcp_dist.erl | 8 | ||||
-rw-r--r-- | lib/kernel/src/inet_tcp_dist.erl | 8 | ||||
-rw-r--r-- | lib/stdlib/src/erl_lint.erl | 19 | ||||
-rw-r--r-- | lib/stdlib/test/erl_lint_SUITE.erl | 112 | ||||
-rw-r--r-- | lib/tools/vsn.mk | 2 |
15 files changed, 182 insertions, 32 deletions
diff --git a/bootstrap/lib/compiler/ebin/core_lint.beam b/bootstrap/lib/compiler/ebin/core_lint.beam Binary files differindex bc18af0f7c..f600432713 100644 --- a/bootstrap/lib/compiler/ebin/core_lint.beam +++ b/bootstrap/lib/compiler/ebin/core_lint.beam diff --git a/bootstrap/lib/compiler/ebin/sys_core_fold.beam b/bootstrap/lib/compiler/ebin/sys_core_fold.beam Binary files differindex 8cede893d1..824abb4f33 100644 --- a/bootstrap/lib/compiler/ebin/sys_core_fold.beam +++ b/bootstrap/lib/compiler/ebin/sys_core_fold.beam diff --git a/bootstrap/lib/kernel/ebin/inet6_tcp_dist.beam b/bootstrap/lib/kernel/ebin/inet6_tcp_dist.beam Binary files differindex dd2d62b8a0..4b5543b994 100644 --- a/bootstrap/lib/kernel/ebin/inet6_tcp_dist.beam +++ b/bootstrap/lib/kernel/ebin/inet6_tcp_dist.beam diff --git a/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam b/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam Binary files differindex 39389454f9..358d9ae403 100644 --- a/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam +++ b/bootstrap/lib/kernel/ebin/inet_tcp_dist.beam diff --git a/bootstrap/lib/stdlib/ebin/erl_lint.beam b/bootstrap/lib/stdlib/ebin/erl_lint.beam Binary files differindex 1b9a0409d1..2538caca66 100644 --- a/bootstrap/lib/stdlib/ebin/erl_lint.beam +++ b/bootstrap/lib/stdlib/ebin/erl_lint.beam 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 |