%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2011. 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%
%%
-module(emacs_SUITE).
%%-define(line_trace, 1).
-export([all/0, init_per_testcase/2, end_per_testcase/2]).
-export([bif_highlight/1]).
all() ->
[bif_highlight].
init_per_testcase(_Case, Config) ->
ErlangEl = filename:join([code:lib_dir(tools),"emacs","erlang.el"]),
case file:read_file_info(ErlangEl) of
{ok, _} ->
[{el, ErlangEl}|Config];
_ ->
{skip, "Could not find erlang.el"}
end.
end_per_testcase(_Case, _Config) ->
ok.
bif_highlight(Config) ->
ErlangEl = proplists:get_value(el,Config),
{ok, Bin} = file:read_file(ErlangEl),
%% All auto-imported bifs
IntBifs = lists:usort(
[F || {F,A} <- erlang:module_info(exports),
erl_internal:bif(F,A)]),
%% all bif which need erlang: prefix and are not operands
ExtBifs = lists:usort(
[F || {F,A} <- erlang:module_info(exports),
not erl_internal:bif(F,A) andalso
not is_atom(catch erl_internal:op_type(F,A))]),
check_bif_highlight(Bin, <<"erlang-int-bifs">>, IntBifs),
check_bif_highlight(Bin, <<"erlang-ext-bifs">>, ExtBifs).
check_bif_highlight(Bin, Tag, Compare) ->
[_H,IntMatch,_T] =
re:split(Bin,<<"defvar ",Tag/binary,
"[^(]*\\(([^)]*)">>,[]),
EmacsIntBifs = [list_to_atom(S) ||
S <- string:tokens(binary_to_list(IntMatch)," '\"\n")],
ct:log("Emacs ~p",[EmacsIntBifs]),
ct:log("Int ~p",[Compare]),
ct:log("Diff1 ~p",[Compare -- EmacsIntBifs]),
ct:log("Diff2 ~p",[EmacsIntBifs -- Compare]),
[] = Compare -- EmacsIntBifs,
[] = EmacsIntBifs -- Compare.