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-rw-r--r--lib/compiler/doc/src/compile.xml5
-rw-r--r--lib/stdlib/src/erl_lint.erl21
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl19
3 files changed, 37 insertions, 8 deletions
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml
index 1459f696a0..c66c8ea4bf 100644
--- a/lib/compiler/doc/src/compile.xml
+++ b/lib/compiler/doc/src/compile.xml
@@ -408,6 +408,11 @@ module.beam: module.erl \
<code>-compile({no_auto_import,[error/1]}).</code>
</item>
+ <tag><c>no_auto_import</c></tag>
+ <item>
+ <p>Do not auto import any functions from the module <c>erlang</c>.</p>
+ </item>
+
<tag><c>no_line_info</c></tag>
<item>
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index f630db6032..0c6f41f594 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -100,7 +100,7 @@ value_option(Flag, Default, On, OnVal, Off, OffVal, Opts) ->
compile=[], %Compile flags
records=dict:new() :: dict(), %Record definitions
locals=gb_sets:empty() :: gb_set(), %All defined functions (prescanned)
- no_auto=gb_sets:empty() :: gb_set(), %Functions explicitly not autoimported
+ no_auto=gb_sets:empty() :: gb_set() | 'all', %Functions explicitly not autoimported
defined=gb_sets:empty() :: gb_set(), %Defined fuctions
on_load=[] :: [fa()], %On-load function
on_load_line=0 :: line(), %Line for on_load
@@ -3648,15 +3648,22 @@ is_imported_from_erlang(ImportSet,{Func,Arity}) ->
{ok,erlang} -> true;
_ -> false
end.
-%% Build set of functions where auto-import is explicitly supressed
+%% Build set of functions where auto-import is explicitly suppressed
auto_import_suppressed(CompileFlags) ->
- L0 = [ X || {no_auto_import,X} <- CompileFlags ],
- L1 = [ {Y,Z} || {Y,Z} <- lists:flatten(L0), is_atom(Y), is_integer(Z) ],
- gb_sets:from_list(L1).
-%% Predicate to find out if autoimport is explicitly supressed for a function
+ case lists:member(no_auto_import, CompileFlags) of
+ true ->
+ all;
+ false ->
+ L0 = [ X || {no_auto_import,X} <- CompileFlags ],
+ L1 = [ {Y,Z} || {Y,Z} <- lists:flatten(L0), is_atom(Y), is_integer(Z) ],
+ gb_sets:from_list(L1)
+ end.
+%% Predicate to find out if autoimport is explicitly suppressed for a function
+is_autoimport_suppressed(all,{_Func,_Arity}) ->
+ true;
is_autoimport_suppressed(NoAutoSet,{Func,Arity}) ->
gb_sets:is_element({Func,Arity},NoAutoSet).
-%% Predicate to find out if a function specific bif-clash supression (old deprecated) is present
+%% 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).
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 6e9a9dd7bf..48f50d5f43 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -2827,7 +2827,24 @@ bif_clash(Config) when is_list(Config) ->
{6,erl_lint,{illegal_guard_local_call,{is_tuple,1}}},
{7,erl_lint,{illegal_guard_local_call,{is_list,1}}},
{8,erl_lint,{illegal_guard_local_call,{is_record,3}}},
- {9,erl_lint,{illegal_guard_local_call,{is_record,3}}}],[]}}
+ {9,erl_lint,{illegal_guard_local_call,{is_record,3}}}],[]}},
+ %% We can also suppress all auto imports at once
+ {clash22,
+ <<"-export([size/1, binary_part/2]).
+ -compile(no_auto_import).
+ size([]) ->
+ 0;
+ size({N,_}) ->
+ N;
+ size([_|T]) ->
+ 1+size(T).
+ binary_part({B,_},{X,Y}) ->
+ binary_part(B,{X,Y});
+ binary_part(B,{X,Y}) ->
+ binary:part(B,X,Y).
+ ">>,
+ [],
+ []}
],
?line [] = run(Config, Ts),