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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2008-2009. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+%% Some utilities
+
+-module(gen_util).
+-compile(export_all).
+
+lowercase([F|R]) when F >= $A, F =< $Z -> [F+($a-$A)|R];
+lowercase(Str) when is_list(Str) -> Str.
+
+lowercase_all([F|R]) when F >= $A, F =< $Z -> [F+($a-$A)|lowercase_all(R)];
+lowercase_all([F|R]) -> [F|lowercase_all(R)];
+lowercase_all([]) -> [].
+
+uppercase([F|R]) when F >= $a, F =< $z -> [F+($A-$a)|R];
+uppercase(Str) when is_list(Str) -> Str.
+
+uppercase_all([F|R]) when F >= $a, F =< $z -> [F+($A-$a)|uppercase_all(R)];
+uppercase_all([A|R]) -> [A|uppercase_all(R)];
+uppercase_all([]) -> [].
+
+
+strip_name([H|R1],[H|R2]) ->
+ strip_name(R1,R2);
+strip_name(String,[]) -> String.
+
+open_write(File) ->
+ %% io:format("Generating ~s~n",[File]),
+ {ok, Fd} = file:open(File++".temp", [write]),
+ put(current_file, {Fd,File}).
+
+
+close() ->
+ case get(current_file) of
+ undefined ->
+ ok;
+ {closed, File} ->
+ io:format("Closing twice ~s~n",[File]);
+ {Fd,File} ->
+ file:close(Fd),
+ case os:cmd("diff " ++ File ++ " " ++ File ++ ".temp" ++ "| head -30") of
+ [] ->
+ ok = file:delete(File ++ ".temp"),
+ %% So that make understands that we have made this
+ case os:getenv("CLEARCASE_ROOT") of
+ false -> os:cmd("touch " ++ File);
+ _ -> ignore
+ end,
+ ok;
+ Diff ->
+ case check_diff(Diff) of
+ copyright -> %% We ignore copyright changes only
+ ok = file:delete(File ++ ".temp");
+ _ ->
+ io:format("Diff in ~s~n~s ~n", [File, Diff]),
+ case file:rename(File ++ ".temp", File) of
+ ok -> ok;
+ _ ->
+ io:format("***** Failed to save file ~p ~n",[File])
+ end
+ end
+ end,
+ put(current_file, {closed, File})
+ end.
+
+
+check_diff(Diff) ->
+ try
+ [_,D1,_,D2|Tail] = re:split(Diff, "\n"),
+ case Tail of
+ [] -> ok;
+ [<<>>] -> ok;
+ _ -> throw(diff)
+ end,
+ <<_, _, "%% Copyright", _/binary>> = D1,
+ <<_, _, "%% Copyright", _/binary>> = D2,
+ copyright
+ catch
+ throw:_ -> diff;
+ error:{badmatch,_} ->
+ diff;
+ _:What ->
+ io:format("~p:~p: ~p ~p~n", [?MODULE,?LINE, What, erlang:get_stacktrace()]),
+ diff
+ end.
+
+w(Str) ->
+ w(Str, []).
+w(Str,Args) ->
+ {Fd,_} = get(current_file),
+ io:format(Fd, Str, Args).
+
+args(Fun, Limit, List) ->
+ args(Fun, Limit, List, infinity, 0).
+
+args(Fun, Limit, List, Max) ->
+ args(Fun, Limit, List, Max, 0).
+
+args(_Fun, _Limit, [], _Max, _) -> ""; %% No args
+args(Fun, _Limit, [Last], _Max, _Pos) ->
+ case Fun(Last) of
+ skip -> ""; %% FIXME bug if last skips
+ Str -> Str
+ end;
+args(Fun, Limit, [H|R], Max, Pos) ->
+ case Fun(H) of
+ skip -> args(Fun,Limit,R, Max, Pos);
+ Str ->
+ {NL, NewPos} =
+ case length(Str) + Pos of
+ Curr when Curr > Max ->
+ {"\n ", 0};
+ Curr ->
+ {"", Curr}
+ end,
+ case args(Fun,Limit,R, Max, NewPos) of
+ "" -> Str;
+ End -> Str ++ Limit ++ NL ++ End
+ end
+ end.
+
+
+
+
+tokens(S) ->
+ tokens1(S, " \t\r\n(){}*;,@", []).
+tokens(S,Seps) ->
+ tokens1(S, Seps, []).
+
+tokens1([C|S], Seps, Toks) ->
+ case lists:member(C, Seps) of
+ true -> tokens1(S, Seps, [C|Toks]);
+ false -> tokens2(S, Seps, Toks, [C])
+ end;
+tokens1([], _Seps, Toks) ->
+ replace_and_remove(Toks, []).
+
+tokens2([C|S], Seps, Toks, Cs) ->
+ case lists:member(C, Seps) of
+ true -> tokens1(S, Seps, [C, lists:reverse(Cs) |Toks]);
+ false -> tokens2(S, Seps, Toks, [C|Cs])
+ end;
+tokens2([], _Seps, Toks, Cs) ->
+ replace_and_remove([lists:reverse(Cs)|Toks], []).
+
+replace_and_remove([E|R], Acc) when is_list(E) -> %% Keep everything that is a word
+ replace_and_remove(R, [E|Acc]);
+replace_and_remove([$\n | R], Acc) -> %% It is semi line oriented so keep eol
+ replace_and_remove(R, [eol|Acc]);
+replace_and_remove([$( | R], Acc) ->
+ replace_and_remove(R, ["("|Acc]);
+replace_and_remove([$) | R], Acc) ->
+ replace_and_remove(R, [")"|Acc]);
+replace_and_remove([${ | R], Acc) ->
+ replace_and_remove(R, ["{"|Acc]);
+replace_and_remove([$} | R], Acc) ->
+ replace_and_remove(R, ["}"|Acc]);
+replace_and_remove([$| | R], Acc) ->
+ replace_and_remove(R, ["|"|Acc]);
+replace_and_remove([$* | R], Acc) ->
+ replace_and_remove(R, ["*"|Acc]);
+replace_and_remove([$& | R], Acc) ->
+ replace_and_remove(R, [$&|Acc]);
+replace_and_remove([$<,$< | R], Acc) ->
+ replace_and_remove(R, ["<<"|Acc]);
+replace_and_remove([$, | R], Acc) ->
+ replace_and_remove(R, [cont|Acc]);
+replace_and_remove([$; | R], Acc) ->
+ replace_and_remove(R, [eoe|Acc]);
+replace_and_remove([$@ | R], Acc) ->
+ replace_and_remove(R, [directive|Acc]);
+
+replace_and_remove([_E|R], Acc) -> %% Ignore everthing else
+ replace_and_remove(R, Acc);
+replace_and_remove([], Acc) ->
+ Acc.
+
+halt(Reason) ->
+ case process_info(group_leader(), status) of
+ {_,waiting} ->
+ %% Now all output data is down in the driver.
+ %% Give the driver some extra time before halting.
+ receive after 10 -> ok end,
+ erlang:halt(Reason);
+ _ ->
+ %% Probably still processing I/O requests.
+ receive after 20 -> ok end,
+ gen_util:halt(Reason)
+ end.
+
+erl_copyright() ->
+ w("%%~n",[]),
+ w("%% %CopyrightBegin%~n",[]),
+ w("%% ~n",[]),
+ w("%% Copyright Ericsson AB 2008-2009. All Rights Reserved.~n",[]),
+ w("%% ~n",[]),
+ w("%% The contents of this file are subject to the Erlang Public License,~n",[]),
+ w("%% Version 1.1, (the \"License\"); you may not use this file except in~n",[]),
+ w("%% compliance with the License. You should have received a copy of the~n",[]),
+ w("%% Erlang Public License along with this software. If not, it can be~n",[]),
+ w("%% retrieved online at http://www.erlang.org/.~n",[]),
+ w("%% ~n",[]),
+ w("%% Software distributed under the License is distributed on an \"AS IS\"~n",[]),
+ w("%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See~n",[]),
+ w("%% the License for the specific language governing rights and limitations~n",[]),
+ w("%% under the License.~n",[]),
+ w("%% ~n",[]),
+ w("%% %CopyrightEnd%~n",[]).
+
+c_copyright() ->
+ w("/*~n",[]),
+ w(" * %CopyrightBegin%~n",[]),
+ w(" * ~n",[]),
+ w(" * Copyright Ericsson AB 2008-2009. All Rights Reserved.~n",[]),
+ w(" * ~n",[]),
+ w(" * The contents of this file are subject to the Erlang Public License,~n",[]),
+ w(" * Version 1.1, (the \"License\"); you may not use this file except in~n",[]),
+ w(" * compliance with the License. You should have received a copy of the~n",[]),
+ w(" * Erlang Public License along with this software. If not, it can be~n",[]),
+ w(" * retrieved online at http://www.erlang.org/.~n",[]),
+ w(" * ~n",[]),
+ w(" * Software distributed under the License is distributed on an \"AS IS\"~n",[]),
+ w(" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See~n",[]),
+ w(" * the License for the specific language governing rights and limitations~n",[]),
+ w(" * under the License.~n",[]),
+ w(" * ~n",[]),
+ w(" * %CopyrightEnd% ~n",[]),
+ w("*/~n",[]).
+
+
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