Packages
otpbp
5.2.2
7.18.0
7.16.1
7.15.0
7.14.0
7.13.0
7.12.0
7.11.0
7.10.2
7.9.3
7.9.2
7.9.1
7.8.7
7.8.6
7.8.5
7.8.4
7.7.1
7.7.0
7.6.3
7.6.2
7.6.1
7.6.0
7.5.1
7.5.0
7.4.0
7.3.4
7.3.3
7.3.2
7.3.1
7.3.0
7.2.0
7.1.1
7.1.0
7.0.4
7.0.3
7.0.2
7.0.1
6.26.0
6.25.0
6.24.0
6.23.0
6.22.2
6.21.3
6.21.2
6.21.1
6.20.2
6.19.1
6.19.0
6.18.3
6.18.2
6.18.1
6.18.0
6.17.1
6.17.0
6.16.0
6.15.4
6.15.3
6.15.2
6.15.1
6.15.0
6.14.0
6.13.5
6.13.4
6.13.3
6.13.2
6.13.1
6.13.0
6.12.0
6.11.2
6.11.1
6.10.0
6.9.2
6.9.1
6.9.0
6.8.0
6.7.1
6.7.0
6.6.4
6.6.3
6.6.2
6.6.1
6.6.0
6.5.0
6.4.0
6.3.3
6.3.2
6.3.1
6.3.0
6.2.1
6.2.0
6.1.0
6.0.0
5.39.0
5.38.0
5.37.0
5.36.0
5.35.2
5.34.3
5.34.2
5.34.1
5.33.1
5.32.1
5.32.0
5.31.3
5.31.2
5.31.1
5.31.0
5.30.1
5.30.0
5.29.0
5.28.4
5.28.3
5.28.2
5.28.1
5.28.0
5.27.0
5.26.5
5.26.4
5.26.3
5.26.2
5.26.1
5.26.0
5.25.0
5.24.2
5.24.1
5.23.0
5.22.2
5.22.1
5.22.0
5.21.0
5.20.1
5.20.0
5.19.4
5.19.3
5.19.2
5.19.1
5.19.0
5.18.0
5.17.0
5.16.3
5.16.1
5.16.0
5.15.1
5.15.0
5.14.0
5.13.1
5.13.0
5.12.1
5.12.0
5.11.2
5.11.1
5.10.1
5.10.0
5.9.0
5.8.0
5.7.0
5.6.1
5.6.0
5.5.0
5.4.2
5.4.1
5.4.0
5.3.0
5.2.2
5.2.1
5.2.0
5.1.2
5.1.1
4.79.0
4.78.0
4.77.0
4.76.2
4.75.3
4.75.2
4.75.1
4.74.0
4.73.1
4.73.0
4.72.3
4.72.2
4.72.1
4.72.0
4.71.1
4.71.0
4.70.0
4.69.4
4.69.3
4.69.2
4.69.1
4.69.0
4.68.0
4.67.5
4.67.4
4.67.3
4.67.2
4.67.0
4.66.0
4.65.2
4.65.1
4.64.0
4.63.2
4.63.1
4.63.0
4.62.0
4.61.1
4.61.0
4.60.4
4.60.3
4.60.2
4.60.1
4.60.0
4.59.0
4.58.0
4.57.2
4.57.1
4.57.0
4.56.2
4.56.1
4.56.0
4.55.0
4.54.0
4.53.0
4.52.1
4.52.0
4.51.3
4.51.2
4.51.0
4.50.0
4.49.3
4.49.2
OTP backports
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Files
src/otpbp_erl_internal.erl
-module(otpbp_erl_internal).
-ifndef(HAVE_erl_internal__add_predefined_functions_1).
% OTP 20.0
-export([add_predefined_functions/1]).
-endif.
-ifndef(HAVE_erl_internal__add_predefined_functions_1).
add_predefined_functions(Forms) -> Forms ++ predefined_functions(Forms).
-compile({inline,
[predefined_functions/1,
module_predef_func_beh_info/1, module_predef_funcs_mod_info/1, get_optional_callbacks/1, is_fa_list/1]}).
predefined_functions(Forms) ->
Attrs = [{Name, Val} || {attribute, _, Name, Val} <- Forms],
{module, Mod} = lists:keyfind(module, 1, Attrs),
Mpf = lists:map(fun erl_parse:new_anno/1, module_predef_func_beh_info(Attrs) ++ module_predef_funcs_mod_info(Mod)),
[{attribute, 0, export, [{F, A} || {function, _, F, A, _} <- Mpf]}|Mpf].
module_predef_func_beh_info(Attrs) ->
case [Callback || {callback, Callback} <- Attrs] of
[] -> [];
Callbacks ->
[{function, 0, behaviour_info, 1,
[{clause, 0, [{atom, 0, callbacks}], [], [make_list([FA || {{_, _} = FA, _} <- Callbacks])]},
{clause, 0, [{atom, 0, optional_callbacks}], [], [make_list(get_optional_callbacks(Attrs))]}]}]
end.
get_optional_callbacks(Attrs) ->
lists:foldr(fun({optional_callbacks, O}, A) ->
case is_fa_list(O) of
true -> O ++ A;
_false -> A
end;
(_, A) -> A
end, [], Attrs).
is_fa_list(L) ->
is_list(L) andalso
lists:all(fun({FuncName, Arity}) -> is_atom(FuncName) andalso is_integer(Arity) andalso Arity >= 0;
(_) -> false
end, L).
make_list(L) ->
lists:foldr(fun({Name, Arity}, A) -> {cons, 0, {tuple, 0, [{atom, 0, Name}, {integer, 0, Arity}]}, A} end,
{nil, 0}, L).
module_predef_funcs_mod_info(Mod) ->
ModAtom = {atom, 0, Mod},
[{function, 0, module_info, 0,
[{clause, 0, [], [], [{call, 0, {remote, 0, {atom, 0, erlang}, {atom, 0, get_module_info}}, [ModAtom]}]}]},
{function, 0, module_info, 1,
[{clause, 0, [{var, 0, 'X'}], [],
[{call, 0, {remote, 0, {atom, 0, erlang}, {atom, 0, get_module_info}}, [ModAtom, {var, 0, 'X'}]}]}]}].
-endif.