-module(rebar_opts).
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-export([get/2,
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get/3,
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set/3,
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erl_opts/1,
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apply_overrides/3,
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add_to_profile/3,
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merge_opts/2,
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merge_opts/3]).
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-include("rebar.hrl").
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get(Opts, Key) ->
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{ok, Value} = dict:find(Key, Opts),
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Value.
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get(Opts, Key, Default) ->
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case dict:find(Key, Opts) of
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{ok, Value} ->
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Value;
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error ->
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Default
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end.
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set(Opts, Key, Value) ->
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dict:store(Key, Value, Opts).
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%% @doc Return list of erl_opts
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-spec erl_opts(rebar_dict()) -> list().
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erl_opts(Opts) ->
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RawErlOpts = filter_defines(?MODULE:get(Opts, erl_opts, []), []),
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Defines = [{d, list_to_atom(D)} ||
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D <- ?MODULE:get(Opts, defines, [])],
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AllOpts = Defines ++ RawErlOpts,
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lists:reverse(filter_debug_info(lists:reverse(AllOpts))).
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filter_debug_info([]) ->
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%% Default == ON
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[debug_info];
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filter_debug_info([debug_info|_] = L) ->
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%% drop no_debug_info and {debug_info_key, _} since those would
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%% conflict with a plain debug_info
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[debug_info |
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lists:filter(fun(K) ->
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K =/= no_debug_info andalso K =/= debug_info andalso
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not (is_tuple(K) andalso element(1,K) =:= debug_info_key)
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end, L)];
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filter_debug_info([{debug_info, _} = H | T]) ->
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%% custom debug_info field; keep and filter the rest except
|
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%% without no_debug_info. Still have to filter for regular or crypto
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%% debug_info.
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[H | filter_debug_info(lists:filter(fun(K) -> K =/= no_debug_info end, T))];
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filter_debug_info([{debug_info_key, _}=H | T]) ->
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|
%% Drop no_debug_info and regular debug_info
|
|
[H | lists:filter(fun(K) ->
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K =/= no_debug_info andalso K =/= debug_info andalso
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not (is_tuple(K) andalso element(1,K) =:= debug_info_key)
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|
end, T)];
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filter_debug_info([no_debug_info|T]) ->
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|
%% Drop all debug info
|
|
lists:filter(fun(debug_info) -> false
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; ({debug_info, _}) -> false
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; ({debug_info_key, _}) -> false
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; (no_debug_info) -> false
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|
; (_Other) -> true
|
|
end, T);
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|
filter_debug_info([H|T]) ->
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|
[H|filter_debug_info(T)].
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|
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apply_overrides(Opts, Name, Overrides) ->
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%% Inefficient. We want the order we get here though.
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|
Opts1 = lists:foldl(fun({override, O}, OptsAcc) ->
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override_opt(O, OptsAcc);
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(_, OptsAcc) ->
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|
OptsAcc
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|
end, Opts, Overrides),
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|
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|
Opts2 = lists:foldl(fun({add, O}, OptsAcc) ->
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add_opt(O, OptsAcc);
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(_, OptsAcc) ->
|
|
OptsAcc
|
|
end, Opts1, Overrides),
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|
|
|
Opts3 = lists:foldl(fun({del, O}, OptsAcc) ->
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|
del_opt(O, OptsAcc);
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(_, 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)].
|