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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
-module(rebar_opts).
-export([get/2,
get/3,
set/3,
erl_opts/1,
apply_overrides/3,
add_to_profile/3,
merge_opts/2,
merge_opts/3]).
-include("rebar.hrl").
get(Opts, Key) ->
{ok, Value} = dict:find(Key, Opts),
Value.
get(Opts, Key, Default) ->
case dict:find(Key, Opts) of
{ok, Value} ->
Value;
error ->
Default
end.
set(Opts, Key, Value) ->
dict:store(Key, Value, Opts).
%% @doc Return list of erl_opts
-spec erl_opts(rebar_dict()) -> list().
erl_opts(Opts) ->
RawErlOpts = filter_defines(?MODULE:get(Opts, erl_opts, []), []),
Defines = [{d, list_to_atom(D)} ||
D <- ?MODULE:get(Opts, defines, [])],
AllOpts = Defines ++ RawErlOpts,
lists:reverse(filter_debug_info(lists:reverse(AllOpts))).
filter_debug_info([]) ->
%% Default == ON
[debug_info];
filter_debug_info([debug_info|_] = L) ->
%% drop no_debug_info and {debug_info_key, _} since those would
%% conflict with a plain debug_info
[debug_info |
lists:filter(fun(K) ->
K =/= no_debug_info andalso K =/= debug_info andalso
not (is_tuple(K) andalso element(1,K) =:= debug_info_key)
end, L)];
filter_debug_info([{debug_info, _} = H | T]) ->
%% custom debug_info field; keep and filter the rest except
%% without no_debug_info. Still have to filter for regular or crypto
%% debug_info.
[H | filter_debug_info(lists:filter(fun(K) -> K =/= no_debug_info end, T))];
filter_debug_info([{debug_info_key, _}=H | T]) ->
%% Drop no_debug_info and regular debug_info
[H | lists:filter(fun(K) ->
K =/= no_debug_info andalso K =/= debug_info andalso
not (is_tuple(K) andalso element(1,K) =:= debug_info_key)
end, T)];
filter_debug_info([no_debug_info|T]) ->
%% Drop all debug info
lists:filter(fun(debug_info) -> false
; ({debug_info, _}) -> false
; ({debug_info_key, _}) -> false
; (no_debug_info) -> false
; (_Other) -> true
end, T);
filter_debug_info([H|T]) ->
[H|filter_debug_info(T)].
apply_overrides(Opts, Name, Overrides) ->
%% Inefficient. We want the order we get here though.
Opts1 = lists:foldl(fun({override, O}, OptsAcc) ->
override_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts, Overrides),
Opts2 = lists:foldl(fun({add, O}, OptsAcc) ->
add_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts1, Overrides),
Opts3 = lists:foldl(fun({del, O}, OptsAcc) ->
del_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts2, Overrides),
Opts4 = lists:foldl(fun({override, N, O}, OptsAcc) when N =:= Name ->
override_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts3, Overrides),
Opts5 = lists:foldl(fun({add, N, O}, OptsAcc) when N =:= Name ->
add_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts4, Overrides),
Opts6 = lists:foldl(fun({del, N, O}, OptsAcc) when N =:= Name ->
del_opt(O, OptsAcc);
(_, OptsAcc) ->
OptsAcc
end, Opts5, Overrides),
Opts6.
add_to_profile(Opts, Profile, KVs) when is_atom(Profile), is_list(KVs) ->
Profiles = ?MODULE:get(Opts, profiles, []),
ProfileOpts = dict:from_list(proplists:get_value(Profile, Profiles, [])),
NewOpts = merge_opts(Profile, dict:from_list(KVs), ProfileOpts),
NewProfiles = [{Profile, dict:to_list(NewOpts)}|lists:keydelete(Profile, 1, Profiles)],
set(Opts, profiles, NewProfiles).
merge_opts(Profile, NewOpts, OldOpts) ->
Opts = merge_opts(NewOpts, OldOpts),
Opts2 = case dict:find(plugins, NewOpts) of
{ok, Value} ->
dict:store({plugins, Profile}, Value, Opts);
error ->
Opts
end,
case dict:find(deps, NewOpts) of
{ok, Value2} ->
dict:store({deps, Profile}, Value2, Opts2);
error ->
Opts2
end.
merge_opts(NewOpts, OldOpts) ->
dict:merge(fun merge_opt/3, NewOpts, OldOpts).
%% Internal functions
add_opt(Opts1, Opts2) ->
lists:foldl(fun({deps, Value}, OptsAcc) ->
OldValue = ?MODULE:get(OptsAcc, {deps,default}, []),
set(OptsAcc, {deps,default}, Value++OldValue);
({Key, Value}, OptsAcc) ->
OldValue = ?MODULE:get(OptsAcc, Key, []),
set(OptsAcc, Key, Value++OldValue)
end, Opts2, Opts1).
del_opt(Opts1, Opts2) ->
lists:foldl(fun({deps, Value}, OptsAcc) ->
OldValue = ?MODULE:get(OptsAcc, {deps,default}, []),
set(OptsAcc, {deps,default}, OldValue--Value);
({Key, Value}, OptsAcc) ->
OldValue = ?MODULE:get(OptsAcc, Key, []),
set(OptsAcc, Key, OldValue--Value)
end, Opts2, Opts1).
override_opt(Opts1, Opts2) ->
lists:foldl(fun({deps, Value}, OptsAcc) ->
set(OptsAcc, {deps,default}, Value);
({Key, Value}, OptsAcc) ->
set(OptsAcc, Key, Value)
end, Opts2, Opts1).
%%
%% Function for dict:merge/3 (in merge_opts/2) to merge options by priority.
%%
merge_opt(deps, _NewValue, OldValue) ->
OldValue;
merge_opt({deps, _}, NewValue, _OldValue) ->
NewValue;
merge_opt(plugins, NewValue, _OldValue) ->
NewValue;
merge_opt({plugins, _}, NewValue, _OldValue) ->
NewValue;
merge_opt(profiles, NewValue, OldValue) ->
%% Merge up sparse pairs of {Profile, Opts} into a joined up
%% {Profile, OptsNew, OptsOld} list.
ToMerge = normalise_profile_pairs(lists:sort(NewValue),
lists:sort(OldValue)),
[{K,dict:to_list(merge_opts(dict:from_list(New), dict:from_list(Old)))}
|| {K,New,Old} <- ToMerge];
merge_opt(erl_first_files, Value, Value) ->
Value;
merge_opt(erl_first_files, NewValue, OldValue) ->
OldValue ++ NewValue;
merge_opt(mib_first_files, Value, Value) ->
Value;
merge_opt(mib_first_files, NewValue, OldValue) ->
OldValue ++ NewValue;
merge_opt(relx, NewValue, OldValue) ->
Partition = fun(C) -> is_tuple(C) andalso element(1, C) =:= overlay end,
{NewOverlays, NewOther} = lists:partition(Partition, NewValue),
{OldOverlays, OldOther} = lists:partition(Partition, OldValue),
rebar_utils:tup_umerge(NewOverlays, OldOverlays)
++ rebar_utils:tup_umerge(OldOther, NewOther);
merge_opt(Key, NewValue, OldValue)
when Key == erl_opts; Key == eunit_compile_opts; Key == ct_compile_opts ->
merge_erl_opts(lists:reverse(OldValue), NewValue);
merge_opt(_Key, NewValue, OldValue) when is_list(NewValue) ->
case io_lib:printable_list(NewValue) of
true when NewValue =:= [] ->
case io_lib:printable_list(OldValue) of
true ->
NewValue;
false ->
OldValue
end;
true ->
NewValue;
false ->
rebar_utils:tup_umerge(NewValue, OldValue)
end;
merge_opt(_Key, NewValue, _OldValue) ->
NewValue.
%%
%% Merge Erlang compiler options such that the result
%% a) Doesn't contain duplicates.
%% b) Resulting options are ordered by increasing precedence as expected by
%% the compiler.
%% The first parameter is the lower precedence options, in reverse order, to
%% be merged with the higher-precedence options in the second parameter.
%%
merge_erl_opts([Opt | Opts], []) ->
merge_erl_opts(Opts, [Opt]);
merge_erl_opts([Opt | Opts], Merged) ->
case lists:member(Opt, Merged) of
true ->
merge_erl_opts(Opts, Merged);
_ ->
merge_erl_opts(Opts, [Opt | Merged])
end;
merge_erl_opts([], Merged) ->
Merged.
%%
%% Filter a list of erl_opts platform_define options such that only
%% those which match the provided architecture regex are returned.
%%
filter_defines([], Acc) ->
lists:reverse(Acc);
filter_defines([{platform_define, ArchRegex, Key} | Rest], Acc) ->
case rebar_utils:is_arch(ArchRegex) of
true ->
filter_defines(Rest, [{d, Key} | Acc]);
false ->
filter_defines(Rest, Acc)
end;
filter_defines([{platform_define, ArchRegex, Key, Value} | Rest], Acc) ->
case rebar_utils:is_arch(ArchRegex) of
true ->
filter_defines(Rest, [{d, Key, Value} | Acc]);
false ->
filter_defines(Rest, Acc)
end;
filter_defines([Opt | Rest], Acc) ->
filter_defines(Rest, [Opt | Acc]).
%% @private takes two lists of profile tuples and merges them
%% into one list of 3-tuples containing the values of either
%% profiles.
%% Any missing profile in one of the keys is replaced by an
%% empty one.
-spec normalise_profile_pairs([Profile], [Profile]) -> [Pair] when
Profile :: {Name, Opts},
Pair :: {Name, Opts, Opts},
Name :: atom(),
Opts :: [term()].
normalise_profile_pairs([], []) ->
[];
normalise_profile_pairs([{P,V}|Ps], []) ->
[{P,V,[]} | normalise_profile_pairs(Ps, [])];
normalise_profile_pairs([], [{P,V}|Ps]) ->
[{P,[],V} | normalise_profile_pairs([], Ps)];
normalise_profile_pairs([{P,VA}|PAs], [{P,VB}|PBs]) ->
[{P,VA,VB} | normalise_profile_pairs(PAs, PBs)];
normalise_profile_pairs([{PA,VA}|PAs], [{PB,VB}|PBs]) when PA < PB ->
[{PA,VA,[]} | normalise_profile_pairs(PAs, [{PB, VB}|PBs])];
normalise_profile_pairs([{PA,VA}|PAs], [{PB,VB}|PBs]) when PA > PB ->
[{PB,[],VB} | normalise_profile_pairs([{PA,VA}|PAs], PBs)].
|
