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authorHans Bolinder <[email protected]>2011-07-07 09:17:22 +0200
committerHans Bolinder <[email protected]>2011-07-07 09:17:22 +0200
commit815e3bef189e7e2d614a014a526a638ad307ee7f (patch)
tree8d7c6a85939d6558003b6ca1cfed0343828ac11f /lib
parentce834798d7f08d5869f11a1cb81e49ca7d5db3b8 (diff)
parent790d7218531957b1a2427432f4cbfc49f49b3566 (diff)
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Merge branch 'hb/scanner_bug/OTP-9412' into dev
* hb/scanner_bug/OTP-9412: Fix a bug in erl_scan:set_attribute/3
Diffstat (limited to 'lib')
-rw-r--r--lib/stdlib/src/erl_scan.erl7
-rw-r--r--lib/stdlib/test/erl_scan_SUITE.erl4
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 718ca2e91a..10b2ed2e49 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -408,7 +408,12 @@ set_attr(line, {Line,Column}, Fun) when ?ALINE(Line), ?COLUMN(Column) ->
end;
set_attr(line=Tag, Attrs, Fun) when is_list(Attrs) ->
{line,Line} = lists:keyfind(Tag, 1, Attrs),
- lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)});
+ case lists:keyreplace(Tag, 1, Attrs, {line,Fun(Line)}) of
+ [{line,Ln}] when ?ALINE(Ln) ->
+ Ln;
+ As ->
+ As
+ end;
set_attr(T1, T2, T3) ->
erlang:error(badarg, [T1,T2,T3]).
diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl
index 31a4f94294..4298b2c701 100644
--- a/lib/stdlib/test/erl_scan_SUITE.erl
+++ b/lib/stdlib/test/erl_scan_SUITE.erl
@@ -737,6 +737,10 @@ set_attribute() ->
(catch {foo, erl_scan:set_attribute(line, [], F2)}), % type error
?line {'EXIT',{badarg,_}} =
(catch {foo, erl_scan:set_attribute(column, [], F2)}), % type error
+
+ %% OTP-9412
+ ?line 8 = erl_scan:set_attribute(line, [{line,{nos,'X',8}}],
+ fun({nos,_V,VL}) -> VL end),
ok.
column_errors() ->