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-rw-r--r--lib/tools/src/xref_utils.erl22
1 files changed, 12 insertions, 10 deletions
diff --git a/lib/tools/src/xref_utils.erl b/lib/tools/src/xref_utils.erl
index b0c168e018..eca751337b 100644
--- a/lib/tools/src/xref_utils.erl
+++ b/lib/tools/src/xref_utils.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -557,12 +557,9 @@ subdir(Dir, SubDir, true) ->
%% Avoid "App-01.01" - the zeroes will be lost.
filename2appl(File) ->
- Pos = string:rstr(File, "-"),
- true = Pos > 1,
- V = string:sub_string(File, Pos+1),
- true = string:len(V) > 0,
- VsnT = string:tokens(V, "."),
- ApplName = string:sub_string(File, 1, Pos-1),
+ [ApplName, V] = string:split(File, "-", trailing),
+ true = string:length(V) > 0,
+ VsnT = string:lexemes(V, "."),
Vsn = [list_to_integer(Vsn) || Vsn <- VsnT],
{list_to_atom(ApplName),Vsn}.
@@ -638,14 +635,14 @@ neighbours([], G, Fun, VT, L, _V, Vs) ->
neighbours(Vs, G, Fun, VT, L).
match_list(L, RExpr) ->
- {ok, Expr} = re:compile(RExpr),
+ {ok, Expr} = re:compile(RExpr, [unicode]),
filter(fun(E) -> match(E, Expr) end, L).
match_one(VarL, Con, Col) ->
select_each(VarL, fun(E) -> Con =:= element(Col, E) end).
match_many(VarL, RExpr, Col) ->
- {ok, Expr} = re:compile(RExpr),
+ {ok, Expr} = re:compile(RExpr, [unicode]),
select_each(VarL, fun(E) -> match(element(Col, E), Expr) end).
match(I, Expr) when is_integer(I) ->
@@ -653,7 +650,12 @@ match(I, Expr) when is_integer(I) ->
{match, [{0,length(S)}]} =:= re:run(S, Expr, [{capture, first}]);
match(A, Expr) when is_atom(A) ->
S = atom_to_list(A),
- {match, [{0,length(S)}]} =:= re:run(S, Expr, [{capture, first}]).
+ case re:run(S, Expr, [{capture, first}]) of
+ {match, [{0,Size}]} ->
+ Size =:= byte_size(unicode:characters_to_binary(S));
+ _ ->
+ false
+ end.
select_each([{Mod,Funs} | L], Pred) ->
case filter(Pred, Funs) of