diff options
Diffstat (limited to 'lib/asn1/src')
| -rw-r--r-- | lib/asn1/src/asn1ct_func.erl | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/lib/asn1/src/asn1ct_func.erl b/lib/asn1/src/asn1ct_func.erl index ab0dbcce8f..ddc00809aa 100644 --- a/lib/asn1/src/asn1ct_func.erl +++ b/lib/asn1/src/asn1ct_func.erl @@ -19,7 +19,7 @@ %% -module(asn1ct_func). --export([start_link/0,need/1,call/3,generate/1]). +-export([start_link/0,need/1,call/3,call_gen/3,call_gen/4,generate/1]). -export([init/1,handle_call/3,handle_cast/2,terminate/2]). start_link() -> @@ -36,7 +36,15 @@ need(MFA) -> asn1ct_rtt:assert_defined(MFA), cast({need,MFA}). +call_gen(Prefix, Key, Gen, Args) when is_function(Gen, 2) -> + F = req({gen_func,Prefix,Key,Gen}), + asn1ct_gen:emit([F,"(",call_args(Args, ""),")"]). + +call_gen(Prefix, Key, Gen) when is_function(Gen, 2) -> + req({gen_func,Prefix,Key,Gen}). + generate(Fd) -> + do_generate(Fd), Used0 = req(get_used), erase(?MODULE), Used = sofs:set(Used0, [mfa]), @@ -53,10 +61,13 @@ cast(Req) -> %%% Internal functions. --record(st, {used}). +-record(st, {used, %Used functions + gen, %Dynamically generated functions + gc=1 %Counter for generated functions + }). init([]) -> - St = #st{used=gb_sets:empty()}, + St = #st{used=gb_sets:empty(),gen=gb_trees:empty()}, {ok,St}. handle_cast({need,MFA}, #st{used=Used0}=St) -> @@ -69,7 +80,20 @@ handle_cast({need,MFA}, #st{used=Used0}=St) -> end. handle_call(get_used, _From, #st{used=Used}=St) -> - {stop,normal,gb_sets:to_list(Used),St}. + {stop,normal,gb_sets:to_list(Used),St}; +handle_call(get_gen, _From, #st{gen=G0}=St) -> + {L,G} = do_get_gen(gb_trees:to_list(G0), [], []), + {reply,L,St#st{gen=gb_trees:from_orddict(G)}}; +handle_call({gen_func,Prefix,Key,GenFun}, _From, #st{gen=G0,gc=Gc0}=St) -> + case gb_trees:lookup(Key, G0) of + none -> + Name = list_to_atom(Prefix ++ integer_to_list(Gc0)), + Gc = Gc0 + 1, + G = gb_trees:insert(Key, {Name,GenFun}, G0), + {reply,Name,St#st{gen=G,gc=Gc}}; + {value,{Name,_}} -> + {reply,Name,St} + end. terminate(_, _) -> ok. @@ -98,3 +122,22 @@ update_worklist([H|T], Used, Ws) -> update_worklist(T, Used, Ws) end; update_worklist([], _, Ws) -> Ws. + +do_get_gen([{_,{_,done}}=Keep|T], Gacc, Kacc) -> + do_get_gen(T, Gacc, [Keep|Kacc]); +do_get_gen([{K,{Name,_}=V}|T], Gacc, Kacc) -> + do_get_gen(T, [V|Gacc], [{K,{Name,done}}|Kacc]); +do_get_gen([], Gacc, Kacc) -> + {lists:sort(Gacc),lists:reverse(Kacc)}. + +do_generate(Fd) -> + case req(get_gen) of + [] -> + ok; + [_|_]=Gen -> + _ = [begin + ok = file:write(Fd, "\n"), + GenFun(Fd, Name) + end || {Name,GenFun} <- Gen], + do_generate(Fd) + end. |