1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2005-2018. 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, indent/1]).
all() ->
[bif_highlight, indent].
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.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
indent(Config) ->
case emacs_version_ok() of
false -> {skip, "Old or no emacs found"};
true ->
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 emacs/1,
[Indent(File) || {_, File} <- Fs],
Res = [diff(Orig, File) || {Orig, File} <- Fs],
[file:delete(File) || {ok, File} <- Res], %% Cleanup
[] = [Fail || {fail, Fail} <- Res],
ok
end.
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() ->
case os:cmd("emacs --version | head -1") of
"GNU Emacs " ++ Ver ->
case string:to_float(Ver) of
{Vsn, _} when Vsn >= 24.1 ->
true;
_ ->
io:format("Emacs version fail~n~s~n~n",[Ver]),
false
end;
Res ->
io:format("Emacs version fail~n~s~n~n",[Res]),
false
end.
emacs(File) ->
EmacsErlDir = filename:join([code:lib_dir(tools), "emacs"]),
Cmd = ["emacs ",
"--batch --quick ",
"--directory ", EmacsErlDir, " ",
"--eval \"(require 'erlang-start)\" ",
File, " ",
"--eval '(indent-region (point-min) (point-max) nil)' ",
"--eval '(save-buffer 0)'"
],
_Res = os:cmd(Cmd),
% io:format("cmd ~s:~n=> ~s~n", [Cmd, _Res]),
ok.
|
