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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2021. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions 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,
load_interpreted/1, compile_and_load/1,
indent/1,
tests_interpreted/1, tests_compiled/1
]).
all() ->
[bif_highlight, load_interpreted, compile_and_load,
indent,
tests_interpreted, tests_compiled
].
init_per_testcase(Case, Config) ->
ErlangEl = filename:join([code:lib_dir(tools),"emacs","erlang.el"]),
case file:read_file_info(ErlangEl) of
{ok, _} ->
case Case =:= bif_highlight orelse emacs_version_ok(24.3) of
false -> {skip, "Old or no emacs found"};
_ -> [{el, ErlangEl}|Config]
end;
_ ->
{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,Match,_T] =
re:split(Bin,<<"defvar ",Tag/binary,
"[^(]*\\(([^)]*)">>,[]),
EmacsBifs = [list_to_atom(S) ||
S <- string:tokens(binary_to_list(Match)," '\"\n")],
ct:log("Comparing ~s", [Tag]),
ct:log("Emacs ~p",[EmacsBifs]),
ct:log("Erlang ~p",[Compare]),
ct:log("Only in Erlang ~p",[Compare -- EmacsBifs]),
ct:log("Only in Emacs ~p",[EmacsBifs -- Compare]),
[] = Compare -- EmacsBifs,
[] = EmacsBifs -- Compare.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
load_interpreted(_Config) ->
_ = emacs(["-l erlang.el -f erlang-mode"]),
ok.
compile_and_load(_Config) ->
Dir = emacs_dir(),
Files0 = filelib:wildcard("*.el", Dir),
Files = case emacs_version_ok(24.3) of
%% erldoc.el depends on cl-lib which was introduced in 24.3.
false -> Files0 -- ["erldoc.el"];
_ -> Files0
end,
Unforgiving =
case emacs_version_ok(24) of
Ver when Ver < 25 ->
"";
Ver when Ver < 26 ->
%% Workaround byte-compile-error-on-warn which seem broken in
%% Emacs 25.
"\"(advice-add #'display-warning :after "
"(lambda (_ f &optional _ _) (error \\\"%s\\\" f)))\"";
_ ->
"\"(setq byte-compile-error-on-warn t)\""
end,
%% Add files here whenever they are cleaned of warnings.
NoWarn = ["erlang.el", "erlang-test.el", "erlang-edoc.el", "erlang-start.el", "erldoc.el"],
Compile = fun(File) ->
Pedantic = case lists:member(File, NoWarn) andalso Unforgiving /= "" of
true -> ["--eval ", Unforgiving, " "];
false -> " "
end,
emacs([Pedantic,
" -f batch-byte-compile ", dquote(filename:join(Dir, File))]),
true
end,
lists:foreach(Compile, Files),
emacs(["-l erlang.elc -f erlang-mode"]),
ok.
tests_interpreted(_Config) ->
case emacs_version_ok(25) of
false -> {skip, "Old or no emacs found"};
_ ->
emacs(["-l erlang.el ",
"-l erlang-test.el -f ert-run-tests-batch-and-exit"]),
ok
end.
tests_compiled(_Config) ->
case emacs_version_ok(25) of
false -> {skip, "Old or no emacs found"};
_ ->
emacs(["-l erlang.elc ",
"-l erlang-test.elc -f ert-run-tests-batch-and-exit"]),
ok
end.
dquote(Str) ->
"\"" ++ Str ++ "\"".
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
indent(Config) ->
Def = filename:dirname(code:which(?MODULE))
++ "/"
++ ?MODULE_STRING
++ "_data",
Dir = proplists:get_value(data_dir, Config, Def),
OrigFs = filelib:wildcard(Dir ++ "/*"),
io:format("Dir: ~s~nFs: ~p~n", [Dir, OrigFs]),
Fs = [{File, unindent(File)} || File <- OrigFs,
filename:extension(File) =:= ""],
Indent = fun(File) ->
emacs([
File, " ",
"--eval '(indent-region (point-min) (point-max) nil)' ",
"--eval '(save-buffer 0)'"
]),
ok
end,
[Indent(File) || {_, File} <- Fs],
Res = [diff(Orig, File) || {Orig, File} <- Fs],
[file:delete(File) || {ok, File} <- Res], %% Cleanup
[] = [Fail || {fail, Fail} <- Res],
ok.
unindent(Input) ->
Output = Input ++ ".erl",
{ok, Bin} = file:read_file(Input),
Lines0 = string:split(Bin, "\n", all),
Lines = [string:trim(Line, leading, [$\s,$\t]) || Line <- Lines0],
%% io:format("File: ~s lines: ~w~n", [Input, length(Lines0)]),
%% [io:format("~s~n", [L]) || L <- Lines],
ok = file:write_file(Output, lists:join("\n", Lines)),
Output.
diff(Orig, File) ->
case os:cmd(["diff ", Orig, " ", File]) of
"" -> {ok, File};
Diff ->
io:format("Fail: ~s vs ~s~n~s~n~n",[Orig, File, Diff]),
{fail, File}
end.
emacs_version_ok(AcceptVer) ->
VersionLine = os:cmd("emacs --version | head -n 1"),
io:format("~s~n", [VersionLine]),
case VersionLine of
"GNU Emacs " ++ Ver ->
case string:to_float(Ver) of
{Vsn, _} when Vsn >= AcceptVer ->
Vsn;
_ ->
false
end;
Res ->
io:format("Emacs version fail~n~s~n~n",[Res]),
false
end.
emacs(EmacsCmds) when is_list(EmacsCmds) ->
Cmd = ["emacs ",
"--batch --quick ",
"--directory ", dquote(emacs_dir()), " ",
"--eval \"(require 'erlang-start)\" "
| EmacsCmds],
io:format("Cmd: ~ts~n", [Cmd]),
Res0 = os:cmd(Cmd ++ " ; echo $?"),
Rows = string:lexemes(Res0, ["\r\n", $\n]),
Res = lists:last(Rows),
Output = string:join(lists:droplast(Rows), "\n"),
io:format(" => ~s ~ts~n", [Res, Output]),
"0" = Res,
Output.
emacs_dir() ->
filename:join([code:lib_dir(tools), "emacs"]).
|
