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-rw-r--r--lib/observer/src/observer_lib.erl36
1 files changed, 28 insertions, 8 deletions
diff --git a/lib/observer/src/observer_lib.erl b/lib/observer/src/observer_lib.erl
index 967baa5c7a..5260861497 100644
--- a/lib/observer/src/observer_lib.erl
+++ b/lib/observer/src/observer_lib.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2011. All Rights Reserved.
+%% Copyright Ericsson AB 2011-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -339,17 +339,37 @@ user_term(Parent, Title, Default) ->
?wxID_OK ->
Str = wxTextEntryDialog:getValue(Dialog),
wxTextEntryDialog:destroy(Dialog),
- parse_string(Str);
+ parse_string(ensure_last_is_dot(Str));
?wxID_CANCEL ->
- wxTextEntryDialog:destroy(Dialog)
+ wxTextEntryDialog:destroy(Dialog),
+ cancel
end.
parse_string(Str) ->
try
- {ok, Tokens, _} = erl_scan:string(Str),
- erl_parse:parse_term(Tokens)
- catch _:{badmatch, {error, {_, _, Err}}} ->
- {error, ["Parse error: ", Err]};
- _Err ->
+ Tokens = case erl_scan:string(Str) of
+ {ok, Ts, _} -> Ts;
+ {error, {_SLine, SMod, SError}, _} ->
+ throw(io_lib:format("~s", [SMod:format_error(SError)]))
+ end,
+ case erl_parse:parse_term(Tokens) of
+ {error, {_PLine, PMod, PError}} ->
+ throw(io_lib:format("~s", [PMod:format_error(PError)]));
+ Res -> Res
+ end
+ catch
+ throw:ErrStr ->
+ {error, ErrStr};
+ _:_Err ->
{error, ["Syntax error in: ", Str]}
end.
+
+ensure_last_is_dot([]) ->
+ ".";
+ensure_last_is_dot(String) ->
+ case lists:last(String) =:= $. of
+ true ->
+ String;
+ false ->
+ String ++ "."
+ end.