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-rw-r--r--lib/stdlib/src/erl_lint.erl79
1 files changed, 47 insertions, 32 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 821d81a6b4..b13848c501 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -120,13 +120,13 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
func=[], %Current function
warn_format=0, %Warn format calls
enabled_warnings=[], %All enabled warnings (ordset).
+ nowarn_bif_clash=[], %All no warn bif clashes (ordset).
errors=[], %Current errors
warnings=[], %Current warnings
file = "" :: string(), %From last file attribute
recdef_top=false :: boolean(), %true in record initialisation
%outside any fun or lc
xqlc= false :: boolean(), %true if qlc.hrl included
- new = false :: boolean(), %Has user-defined 'new/N'
called= [] :: [{fa(),line()}], %Called functions
usage = #usage{} :: #usage{},
specs = dict:new() %Type specifications
@@ -569,6 +569,7 @@ start(File, Opts) ->
warn_format = value_option(warn_format, 1, warn_format, 1,
nowarn_format, 0, Opts),
enabled_warnings = Enabled,
+ nowarn_bif_clash = nowarn_function(nowarn_bif_clash, Opts),
file = File
}.
@@ -608,22 +609,30 @@ pack_warnings(Ws) ->
%% add_warning(ErrorDescriptor, State) -> State'
%% add_warning(Line, Error, State) -> State'
-add_error(E, St) -> St#lint{errors=[{St#lint.file,E}|St#lint.errors]}.
+add_error(E, St) -> add_lint_error(E, St#lint.file, St).
add_error(Anno, E, St) ->
- {File,Location} = loc(Anno),
- add_error({Location,erl_lint,E}, St#lint{file = File}).
+ {File,Location} = loc(Anno, St),
+ add_lint_error({Location,erl_lint,E}, File, St).
-add_warning(W, St) -> St#lint{warnings=[{St#lint.file,W}|St#lint.warnings]}.
+add_lint_error(E, File, St) ->
+ St#lint{errors=[{File,E}|St#lint.errors]}.
+
+add_warning(W, St) -> add_lint_warning(W, St#lint.file, St).
add_warning(FileLine, W, St) ->
- {File,Location} = loc(FileLine),
- add_warning({Location,erl_lint,W}, St#lint{file = File}).
+ {File,Location} = loc(FileLine, St),
+ add_lint_warning({Location,erl_lint,W}, File, St).
+
+add_lint_warning(W, File, St) ->
+ St#lint{warnings=[{File,W}|St#lint.warnings]}.
-loc(Anno) ->
- File = erl_anno:file(Anno),
+loc(Anno, St) ->
Location = erl_anno:location(Anno),
- {File,Location}.
+ case erl_anno:file(Anno) of
+ undefined -> {St#lint.file,Location};
+ File -> {File,Location}
+ end.
%% forms([Form], State) -> State'
@@ -640,8 +649,6 @@ forms(Forms0, St0) ->
St4 = foldl(fun form/2, pre_scan(Forms, St3), Forms),
post_traversal_check(Forms, St4).
-pre_scan([{function,_L,new,_A,_Cs} | Fs], St) ->
- pre_scan(Fs, St#lint{new=true});
pre_scan([{attribute,L,compile,C} | Fs], St) ->
case is_warn_enabled(export_all, St) andalso
member(export_all, lists:flatten([C])) of
@@ -668,11 +675,21 @@ eval_file_attribute(Forms, St) ->
eval_file_attr([{attribute,_L,file,{File,_Line}}=Form | Forms], _File) ->
[Form | eval_file_attr(Forms, File)];
eval_file_attr([Form0 | Forms], File) ->
- Form = set_file(Form0, File),
+ Form = set_form_file(Form0, File),
[Form | eval_file_attr(Forms, File)];
eval_file_attr([], _File) ->
[].
+%% Sets the file only on the form. This is used on post-traversal.
+%% For the remaining of the AST we rely on #lint.file.
+
+set_form_file({attribute,L,K,V}, File) ->
+ {attribute,erl_anno:set_file(File, L),K,V};
+set_form_file({function,L,N,A,C}, File) ->
+ {function,erl_anno:set_file(File, L),N,A,C};
+set_form_file(Form, _File) ->
+ Form.
+
set_file(T, File) ->
F = fun(Anno) -> erl_anno:set_file(File, Anno) end,
erl_parse:map_anno(F, T).
@@ -772,8 +789,7 @@ eof(_Line, St0) ->
%% bif_clashes(Forms, State0) -> State.
-bif_clashes(Forms, St) ->
- Nowarn = nowarn_function(nowarn_bif_clash, St#lint.compile),
+bif_clashes(Forms, #lint{nowarn_bif_clash=Nowarn} = St) ->
Clashes0 = [{Name,Arity} || {function,_L,Name,Arity,_Cs} <- Forms,
erl_internal:bif(Name, Arity)],
Clashes = ordsets:subtract(ordsets:from_list(Clashes0), Nowarn),
@@ -798,10 +814,10 @@ disallowed_compile_flags(Forms, St0) ->
%% There are (still) no line numbers in St0#lint.compile.
Errors0 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} ||
{attribute,A,compile,nowarn_bif_clash} <- Forms,
- {_,L} <- [loc(A)] ],
+ {_,L} <- [loc(A, St0)] ],
Errors1 = [ {St0#lint.file,{L,erl_lint,disallowed_nowarn_bif_clash}} ||
{attribute,A,compile,{nowarn_bif_clash, {_,_}}} <- Forms,
- {_,L} <- [loc(A)] ],
+ {_,L} <- [loc(A, St0)] ],
Disabled = (not is_warn_enabled(bif_clash, St0)),
Errors = if
Disabled andalso Errors0 =:= [] ->
@@ -926,7 +942,7 @@ behaviour_conflicting(AllBfs, St) ->
behaviour_add_conflicts(R, St).
behaviour_add_conflicts([{Cb,[{FirstLoc,FirstB}|Cs]}|T], St0) ->
- FirstL = element(2, loc(FirstLoc)),
+ FirstL = element(2, loc(FirstLoc, St0)),
St = behaviour_add_conflict(Cs, Cb, FirstL, FirstB, St0),
behaviour_add_conflicts(T, St);
behaviour_add_conflicts([], St) -> St.
@@ -1144,7 +1160,7 @@ check_unused_records(Forms, St0) ->
end, St0#lint.records, UsedRecords),
Unused = [{Name,FileLine} ||
{Name,{FileLine,_Fields}} <- dict:to_list(URecs),
- element(1, loc(FileLine)) =:= FirstFile],
+ element(1, loc(FileLine, St0)) =:= FirstFile],
foldl(fun ({N,L}, St) ->
add_warning(L, {unused_record, N}, St)
end, St0, Unused);
@@ -1337,14 +1353,15 @@ check_on_load(St) -> St.
-spec call_function(line(), atom(), arity(), lint_state()) -> lint_state().
%% Add to both called and calls.
-call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func}=St) ->
+call_function(Line, F, A, #lint{usage=Usage0,called=Cd,func=Func,file=File}=St) ->
#usage{calls = Cs} = Usage0,
NA = {F,A},
Usage = case Cs of
undefined -> Usage0;
_ -> Usage0#usage{calls=dict:append(Func, NA, Cs)}
end,
- St#lint{called=[{NA,Line}|Cd], usage=Usage}.
+ Anno = erl_anno:set_file(File, Line),
+ St#lint{called=[{NA,Anno}|Cd], usage=Usage}.
%% function(Line, Name, Arity, Clauses, State) -> State.
@@ -2123,7 +2140,7 @@ expr({'receive',Line,Cs,To,ToEs}, Vt, St0) ->
{Cvt,St3} = icrt_clauses(Cs, Vt, St2),
%% Csvts = [vtnew(Tevt, Vt)|Cvt], %This is just NEW variables!
Csvts = [Tevt|Cvt],
- Rvt = icrt_export(Csvts, Vt, {'receive',Line}),
+ Rvt = icrt_export(Csvts, Vt, {'receive',Line}, St3),
{vtmerge([Tvt,Tevt,Rvt]),St3};
expr({'fun',Line,Body}, Vt, St) ->
%%No one can think funs export!
@@ -2826,10 +2843,9 @@ check_record_types([{type, _, field_type, [{atom, AL, FName}, Type]}|Left],
check_record_types([], _Name, _DefFields, SeenVars, St, _SeenFields) ->
{SeenVars, St}.
-used_type(TypePair, L, St) ->
- Usage = St#lint.usage,
+used_type(TypePair, L, #lint{usage = Usage, file = File} = St) ->
OldUsed = Usage#usage.used_types,
- UsedTypes = dict:store(TypePair, L, OldUsed),
+ UsedTypes = dict:store(TypePair, erl_anno:set_file(File, L), OldUsed),
St#lint{usage=Usage#usage{used_types=UsedTypes}}.
is_default_type({Name, NumberOfTypeVariables}) ->
@@ -2984,7 +3000,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) ->
UsedTypes = gb_sets:from_list(L),
FoldFun =
fun(Type, #typeinfo{line = FileLine}, AccSt) ->
- case loc(FileLine) of
+ case loc(FileLine, AccSt) of
{FirstFile, _} ->
case gb_sets:is_member(Type, UsedTypes) of
true -> AccSt;
@@ -3022,7 +3038,7 @@ check_local_opaque_types(St) ->
icrt_clauses(Cs, In, Vt, St0) ->
{Csvt,St1} = icrt_clauses(Cs, Vt, St0),
- UpdVt = icrt_export(Csvt, Vt, In),
+ UpdVt = icrt_export(Csvt, Vt, In, St1),
{UpdVt,St1}.
%% icrt_clauses(Clauses, ImportVarTable, State) ->
@@ -3039,8 +3055,8 @@ icrt_clause({clause,_Line,H,G,B}, Vt0, St0) ->
{Bvt,St3} = exprs(B, vtupdate(Vt2, Vt0), St2),
{vtupdate(Bvt, Vt2),St3}.
-icrt_export(Vts, Vt, {Tag,Attrs}) ->
- {_File,Loc} = loc(Attrs),
+icrt_export(Vts, Vt, {Tag,Attrs}, St) ->
+ {_File,Loc} = loc(Attrs, St),
icrt_export(lists:merge(Vts), Vt, {Tag,Loc}, length(Vts), []).
icrt_export([{V,{{export,_},_,_}}|Vs0], [{V,{{export,_}=S0,_,Ls}}|Vt],
@@ -3397,7 +3413,7 @@ vtupdate(Uvt, Vt0) ->
%% Return all new variables in UpdVarTable as unsafe.
vtunsafe({Tag,FileLine}, Uvt, Vt) ->
- {_File,Line} = loc(FileLine),
+ Line = erl_anno:location(FileLine),
[{V,{{unsafe,{Tag,Line}},U,Ls}} || {V,{_,U,Ls}} <- vtnew(Uvt, Vt)].
%% vtmerge(VarTable, VarTable) -> VarTable.
@@ -3781,8 +3797,7 @@ is_autoimport_suppressed(NoAutoSet,{Func,Arity}) ->
gb_sets:is_element({Func,Arity},NoAutoSet).
%% Predicate to find out if a function specific bif-clash suppression (old deprecated) is present
bif_clash_specifically_disabled(St,{F,A}) ->
- Nowarn = nowarn_function(nowarn_bif_clash, St#lint.compile),
- lists:member({F,A},Nowarn).
+ lists:member({F,A},St#lint.nowarn_bif_clash).
%% Predicate to find out if an autoimported guard_bif is not overriden in some way
%% Guard Bif without module name is disallowed if
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:47:03 +0000