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%% Copyright (c) 2010 Jacob Vorreuter <jacob.vorreuter@gmail.com>
%%
%% Permission is hereby granted, free of charge, to any person
%% obtaining a copy of this software and associated documentation
%% files (the "Software"), to deal in the Software without
%% restriction, including without limitation the rights to use,
%% copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the
%% Software is furnished to do so, subject to the following
%% conditions:
%%
%% The above copyright notice and this permission notice shall be
%% included in all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
%% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
%% OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
%% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
%% HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
%% WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
%% FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
%% OTHER DEALINGS IN THE SOFTWARE.
-module(syslog_transform).
-export([parse_transform/2]).
parse_transform(Forms, _Options) ->
expand_forms(Forms).
expand_forms({attribute,_,module,Module}=Attr) ->
put(module, Module),
Attr;
expand_forms(Forms) when is_list(Forms) ->
[expand_forms(Form) || Form <- Forms];
expand_forms({call,L,{atom,_,log},Args}) ->
{call,L,{atom,L,log},[{atom,L,get(module)}|Args]};
expand_forms(Form) when is_tuple(Form) ->
Expanded = [expand_forms(F) || F <- tuple_to_list(Form)],
list_to_tuple(Expanded);
expand_forms(Form) ->
Form.
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