Update all bif highlighting for emacs

All bifs should now be highlighted correctly. Also added
a testcase which will check for any future bif additions
and deletions.

2 files changed, 77 insertions, 0 deletions

diff --git a/lib/tools/test/Makefile b/lib/tools/test/Makefile
index 86c81217b6..484cfdf53f 100644
--- a/lib/tools/test/Makefile
+++ b/lib/tools/test/Makefile
@@ -22,6 +22,7 @@ include $(ERL_TOP)/make/$(TARGET)/otp.mk
 MODULES =  \
 	cover_SUITE \
 	eprof_SUITE \
+	emacs_SUITE \
 	emem_SUITE \
 	fprof_SUITE \
 	cprof_SUITE \
diff --git a/lib/tools/test/emacs_SUITE.erl b/lib/tools/test/emacs_SUITE.erl
new file mode 100644
index 0000000000..369b8c3ab5
--- /dev/null
+++ b/lib/tools/test/emacs_SUITE.erl
@@ -0,0 +1,76 @@
+%%
+%% %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.
+    
+