%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%%-------------------------------------------------------------------
%%% File : wx_gen_cpp.erl
%%% Author : Dan Gudmundsson <[email protected]>
%%% Description :
%%%
%%% Created : 19 Feb 2007 by Dan Gudmundsson <[email protected]>
%%%-------------------------------------------------------------------
-module(wx_gen_cpp).
-include("wx_gen.hrl").
-compile(export_all).
-import(lists, [foldl/3,foldr/3,reverse/1, keysearch/3, map/2, filter/2]).
-import(gen_util, [lowercase/1, lowercase_all/1, uppercase/1, uppercase_all/1,
open_write/1, close/0, c_copyright/0, w/2, w/1,
args/3, strip_name/2]).
-import(wx_gen, [next_id/1]).
gen(Defs) ->
open_write("../c_src/gen/wxe_derived_dest.h"),
c_copyright(),
w("~n/***** This file is generated do not edit ****/~n~n", []),
gen_derived_dest(Defs),
close(),
open_write("../c_src/gen/wxe_funcs.cpp"),
c_copyright(),
Res = gen_funcs(Defs),
close(),
open_write("../c_src/gen/wxe_macros.h"),
c_copyright(),
gen_macros(),
close(),
open_write("../c_src/gen/wxe_init.cpp"),
c_copyright(),
build_enums(),
close(),
build_events(),
Res.
gen_derived_dest(Defs) ->
[gen_derived_dest_2(Class) || Class <- Defs],
UglySkipList = ["wxCaret", "wxCalendarDateAttr",
"wxFileDataObject", "wxTextDataObject", "wxBitmapDataObject"
],
?WTC("gen_derived_dest"),
w("void WxeApp::delete_object(void *ptr, wxeRefData *refd) {~n", []),
w(" switch(refd->type) {~n", []),
Case = fun(#class{name=Class, id=Id, abstract=IsAbs, parent=P}) when P /= "static" ->
UglyWorkaround = lists:member(Class, UglySkipList),
case hd(reverse(wx_gen_erl:parents(Class))) of
root when IsAbs == false, UglyWorkaround == false ->
w(" case ~p: delete (~s *) ptr; break;~n", [Id, Class]);
root when IsAbs == false, UglyWorkaround == true ->
w(" case ~p: /* delete (~s *) ptr;"
"These objects must be deleted by owner object */ "
"break;~n", [Id, Class]);
_ -> ok
end;
(_) -> ok
end,
[Case(Class) || Class <- Defs],
w(" default: delete (wxObject *) ptr;~n", []),
w("}}~n~n", []).
gen_derived_dest_2(C=#class{name=Class}) ->
case is_derived(C) of
true ->
?WTC("gen_derived_dest_2"),
w("class E~s : public ~s {~n",[Class,Class]),
case Class of
"wxGLCanvas" -> %% Special for cleaning up gl context
w(" public: ~~E~s() {deleteActiveGL(this);"
"((WxeApp *)wxTheApp)->clearPtr(this);};~n", [Class]);
_ ->
w(" public: ~~E~s() {((WxeApp *)wxTheApp)->clearPtr(this);};~n", [Class])
end,
gen_constructors(C),
w("};~n~n", []);
false ->
ignore
end.
gen_constructors(#class{name=Class, methods=Ms0}) ->
Ms = lists:append(Ms0),
Cs = lists:filter(fun(#method{method_type=MT}) -> MT =:= constructor end, Ms),
[gen_constructor(Class, Const) || Const <- Cs].
gen_constructor(_Class, #method{where=merged_c}) -> ok;
gen_constructor(_Class, #method{where=erl_no_opt}) -> ok;
gen_constructor(Class, _M=#method{params=Ps}) ->
Gen1 = fun(#param{name=N, type=T}) -> gen_type(T,1) ++ N end,
Gen2 = fun(#param{name=N, type=T}) -> gen_type(T,2) ++ N end,
CallA = fun(#param{name=N}) -> N end,
HaveMergedType = fun(#param{type={merged,_,_,_,_,_,_}}) -> true; (_) -> false end,
?WTC("gen_constructor"),
case lists:any(HaveMergedType, Ps) of
false ->
w(" E~s(~s) : ~s(~s) {};~n",
[Class,args(Gen1,",",Ps),Class,args(CallA,",",Ps)]);
true ->
w(" E~s(~s) : ~s(~s) {};~n",
[Class,args(Gen1,",",Ps),Class,args(CallA,",",Ps)]),
w(" E~s(~s) : ~s(~s) {};~n",
[Class,args(Gen2,",",Ps),Class,args(CallA,",",Ps)])
end.
gen_type(#type{name=Type, ref={pointer,1}, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ " * ";
gen_type(#type{name=Type, ref={pointer,2}, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ " ** ";
gen_type(#type{name=Type, ref=reference, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ "& ";
gen_type(#type{name=Type, ref=undefined, base=binary, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ " * ";
gen_type(#type{name=Type, ref=undefined, single=array, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ " * ";
gen_type(#type{name=Type, ref=undefined, mod=Mod},_) ->
mods(Mod) ++ to_string(Type) ++ " ";
gen_type({merged, _, T1, _,_, _T2,_}, 1) ->
gen_type(T1,error);
gen_type({merged, _, _T1,_, _, T2,_}, 2) ->
gen_type(T2,error).
gen_funcs(Defs) ->
w("~n/***** This file is generated do not edit ****/~n~n"),
w("#include <wx/wx.h>~n"),
w("#include \"../wxe_impl.h\"~n"),
w("#include \"../wxe_events.h\"~n"),
w("#include \"../wxe_return.h\"~n"),
w("#include \"../wxe_gl.h\"~n"),
w("#include \"wxe_macros.h\"~n"),
w("#include \"wxe_derived_dest.h\"~n~n"),
w("void WxeApp::wxe_dispatch(wxeCommand& Ecmd)~n{~n"),
w(" char * bp = Ecmd.buffer;~n"),
w(" wxeMemEnv *memenv = getMemEnv(Ecmd.port);~n"),
%% w(" wxMBConvUTF32 UTFconverter;~n"),
w(" wxeReturn rt = wxeReturn(WXE_DRV_PORT, Ecmd.caller, true);~n"),
w(" try {~n"),
w(" switch (Ecmd.op)~n{~n"),
%% w(" case WXE_CREATE_PORT:~n", []),
%% w(" { newMemEnv(Ecmd.port); } break;~n", []),
%% w(" case WXE_REMOVE_PORT:~n", []),
%% w(" { destroyMemEnv(Ecmd.port); } break;~n", []),
w(" case DESTROY_OBJECT: {~n"),
w(" wxObject *This = (wxObject *) getPtr(bp,memenv); "),
w(" if(This) {"),
w(" ((WxeApp *) wxTheApp)->clearPtr((void *) This);~n"),
w(" delete This; }~n } break;~n"),
w(" case WXE_REGISTER_OBJECT: {~n"
" registerPid(bp, Ecmd.caller, memenv);~n"
" rt.addAtom(\"ok\");~n"
" break;~n"
" }~n"),
w(" case WXE_BIN_INCR:~n driver_binary_inc_refc(Ecmd.bin[0]->bin);~n break;~n",[]),
w(" case WXE_BIN_DECR:~n driver_binary_dec_refc(Ecmd.bin[0]->bin);~n break;~n",[]),
w(" case WXE_INIT_OPENGL:~n wxe_initOpenGL(rt, bp);~n break;~n",[]),
Res = [gen_class(Class) || Class <- Defs],
w(" default: {~n"),
w(" wxeReturn error = wxeReturn(WXE_DRV_PORT, Ecmd.caller, false);"),
w(" error.addAtom(\"_wxe_error_\");~n"),
w(" error.addInt((int) Ecmd.op);~n"),
w(" error.addAtom(\"not_supported\");~n"),
w(" error.addTupleCount(3);~n"),
w(" error.send();~n"),
w(" return ;~n"),
w(" }~n"),
w("} // switch~n"),
w(" rt.send();~n"),
w("} catch (wxe_badarg badarg) { // try~n"),
w(" wxeReturn error = wxeReturn(WXE_DRV_PORT, Ecmd.caller, false);"),
w(" error.addAtom(\"_wxe_error_\");~n"),
w(" error.addInt((int) Ecmd.op);~n"),
w(" error.addAtom(\"badarg\");~n"),
w(" error.addInt((int) badarg.ref);~n"),
w(" error.addTupleCount(2);~n"),
w(" error.addTupleCount(3);~n"),
w(" error.send();~n"),
w("}} /* The End */~n"),
Res.
gen_class(C=#class{name=Name,methods=Ms,options=Opts}) ->
put(current_class, Name),
NewMs =
case lists:member(taylormade, Opts) of
true ->
{ok, Bin} = file:read_file(filename:join([wx_extra,Name++".c_src"])),
?WTC("gen_class"),
w("~s~n", [binary_to_list(Bin)]),
Ms;
false ->
case lists:keysearch(ifdef,1,Opts) of
{value, {ifdef, What}} ->
w("#if ~p~n",[What]),
Methods = lists:flatten(Ms),
MsR = [gen_method(Name,M) ||
M <- lists:keysort(#method.id, Methods)],
w("#endif // ~p~n",[What]),
MsR;
false ->
Methods = lists:flatten(Ms),
[gen_method(Name,M) ||
M <- lists:keysort(#method.id, Methods)]
end
end,
erase(current_class),
C#class{methods=NewMs}.
gen_method(_CName, M=#method{where=erl_no_opt}) -> M;
gen_method(CName, M=#method{where=taylormade, name=Name, id=Id}) ->
{ok, Bin} = file:read_file(filename:join([wx_extra, CName ++".c_src"])),
Str0 = binary_to_list(Bin),
%% io:format("C++ Class ~p ~p~n", [CName, Name]),
{match, [Str1]} = re:run(Str0, "<<"++Name++"(.*)"++Name++">>",
[dotall, {capture, all_but_first, list}]),
?WTC("gen_method"),
w(Str1, [wx_gen_erl:get_unique_name(Id)]),
M;
gen_method(CName, M=#method{name=N,params=[Ps],method_type=destructor,id=MethodId}) ->
case hd(reverse(wx_gen_erl:parents(CName))) of
root ->
?WTC("gen_method"),
w("case ~s: { // ~s::~s~n", [wx_gen_erl:get_unique_name(MethodId),CName,N]),
decode_arguments([Ps]),
w(" if(This) {", []),
w(" ((WxeApp *) wxTheApp)->clearPtr((void *) This);~n", []),
w(" delete This;}~n", []),
free_args(),
w(" break;~n}~n", []);
object -> %% Use default
ignore
end,
M;
gen_method(CName, M=#method{name=N,params=Ps0,type=T,method_type=MT,id=MethodId}) ->
put(current_func, N),
put(bin_count,-1),
?WTC("gen_method"),
w("case ~s: { // ~s::~s~n", [wx_gen_erl:get_unique_name(MethodId),CName,N]),
Ps1 = declare_variables(void, Ps0),
{Ps2,Align} = decode_arguments(Ps1),
Opts = [Opt || Opt = #param{def=Def,in=In,where=Where} <- Ps2,
Def =/= none, In =/= false, Where =/= c],
decode_options(Opts, Align),
case gen_util:get_hook(c, M#method.pre_hook) of
ignore -> skip;
Pre -> w(" ~s;~n", [Pre])
end,
Ps3 = call_wx(N,{MT,CName},T,Ps2),
case gen_util:get_hook(c, M#method.post_hook) of
ignore -> skip;
Post -> w(" ~s;~n", [Post])
end,
free_args(),
build_return_vals(T,Ps3),
w(" break;~n}~n", []),
erase(current_func),
M.
declare_variables(void,Ps) ->
[declare_var(P) || P <- Ps];
declare_variables(T, Ps) ->
declare_type("result", out, ignore, T),
[declare_var(P) || P <- Ps].
declare_var(P = #param{where=erl}) -> P;
declare_var(P = #param{where=this}) -> P;
declare_var(P = #param{name=Name,def=Def,type=Type,in=true}) when Def =/= none ->
declare_type(Name, true, Def, Type),
P;
declare_var(P = #param{in=In}) when In =/= false -> P;
declare_var(P = #param{name=Name,in=In,def=Def,type=Type}) ->
declare_type(Name, In, Def, Type),
P.
declare_type(N,false,_,#type{name="wxArrayInt"}) ->
w(" wxArrayInt ~s;~n", [N]);
declare_type(N,false,_,#type{name="wxArrayString"}) ->
w(" wxArrayString ~s;~n", [N]);
declare_type(N,false,_,#type{base=Base,single=true,name=Type,by_val=false,mod=Mod})
when Base =:= int; Base =:= long; Base =:= float; Base =:= double ->
w(" ~s~s ~s;~n", [mods(Mod),Type,N]);
declare_type(N,false,_,#type{base={enum,_},single=true,name=Type,by_val=false,mod=Mod}) ->
w(" ~s~s ~s;~n", [mods(Mod),Type,N]);
declare_type(N,false,_,#type{name="wxArrayTreeItemIds",ref=reference}) ->
w(" wxArrayTreeItemIds ~s;~n", [N]);
declare_type(N,false,_,#type{name="wxDateTime"}) ->
w(" wxDateTime ~s;~n", [N]);
declare_type(N,false,_,#type{name=Type, base=int64, ref=reference}) ->
w(" ~s ~s;~n", [Type,N]);
declare_type(N,true,Def,#type{base=Base,single=true,name=Type,by_val=true})
when Base =:= int; Base =:= long; Base =:= float; Base =:= double; Base =:= bool ->
w(" ~s ~s=~s;~n", [Type,N,Def]);
declare_type(N,true,Def,#type{base={comp,_,_},single=true,name=Type,mod=Mod,ref={pointer,1}}) ->
w(" ~s~s *~s=~s; ~s ~s;~n", [mods(Mod),Type,N,Def,Type,N++"Tmp"]);
declare_type(N,true,Def,#type{base={comp,_,_},single=true,name=Type,ref=reference}) ->
w(" ~s ~s= ~s;~n", [Type,N,Def]);
declare_type(N,true,Def,#type{base={enum,Type},single=true}) ->
w(" ~s ~s=~s;~n", [enum_type(Type),N,Def]);
declare_type(N,true,Def,#type{base={class,_},single=true,name=Type,ref={pointer,1},mod=Mod}) ->
w(" ~s~s * ~s=~s;~n", [mods(Mod),Type,N,Def]);
declare_type(N,true,Def,#type{base={class,_},single=true,name=Type,ref=reference,mod=Mod}) ->
w(" ~s~s * ~s= &~s;~n", [mods(Mod),Type,N,Def]);
declare_type(N,true,Def,#type{base=Base,single=true,name=Type,by_val=false,ref={pointer,1}})
when Base =:= int; Base =:= long; Base =:= float; Base =:= double; Base =:= bool ->
w(" ~s *~s=~s;~n", [Type,N,Def]);
declare_type(N,true,Def,#type{single=true,name="wxArtClient"}) ->
w(" wxArtClient ~s= ~s;~n", [N,Def]);
declare_type(N,true,Def,#type{single=true,base=string}) ->
w(" wxString ~s= ~s;~n", [N,Def]);
%% declare_type(N,true,_Def,#type{name="wxString"}) ->
%% w(" wxString ~s= wxEmptyString;~n", [N]);
declare_type(N,true,Def,#type{base=binary, name=char}) ->
w(" char ~sD[] = {~s}, * ~s = ~sD;~n", [N,Def,N,N]);
declare_type(_N,true,_Def,void) ->
skip;
declare_type(N,true,Def,#type{name=Type, ref={pointer,2}}) ->
%% xxxx
w(" ~s ** ~s = ~s;~n", [Type,N,Def]);
declare_type(N,true,Def,#type{name=Type, single=array, ref={pointer,1}}) ->
w(" int * ~sLen = 0;~n", [N]),
w(" ~s * ~s = ~s;~n", [Type,N,Def]);
declare_type(N,true,"",#type{name="wxArrayString", single=array, ref=reference}) ->
w(" wxArrayString ~s;~n", [N]);
declare_type(N,true,Def,#type{name=Type, base={term,_}}) ->
w(" ~s * ~s= ~s;~n", [Type,N,Def]);
declare_type(N,In,Def,T) ->
?error({unhandled_type, {N,In,Def,T}}).
decode_options([], _Align) -> ok;
decode_options(Opts, Align) ->
align(Align, 64),
w(" while( * (int*) bp) { switch (* (int*) bp) {~n", []),
foldl(fun decode_opt/2, 1, Opts),
w(" }};~n", []).
decode_opt(#param{name=Name,type=Type}, N) ->
w(" case ~p: {bp += 4;~n", [N]),
Align = decode_arg(Name,Type,opt,1),
align(Align, 64),
w(" } break;~n", []),
N+1.
decode_arguments(Ps0) ->
lists:mapfoldl(fun decode_arg/2,0,Ps0).
store_free(N) ->
case get(free_args) of
undefined -> put(free_args, [N]);
List -> put(free_args, [N|List])
end.
free_args() ->
case get(free_args) of
undefined -> ignore;
List ->
erase(free_args),
[w(" driver_free(~s);~n", [Arg]) || Arg <- List]
end.
decode_arg(P = #param{where=erl},A) -> {P,A};
decode_arg(P = #param{where=c},A) -> {P,A};
decode_arg(P = #param{in=false},A) -> {P,A};
decode_arg(P = #param{def=Def},A) when Def =/= none -> {P,A};
decode_arg(P = #param{name=Name,type=Type},A0) ->
A = decode_arg(Name, Type, arg, A0),
{P, A}.
wa(Decl,DA,Get,GetA,arg) ->
w(Decl,DA),
w(Get,GetA);
wa(_Decl,_DA,Get,GetA,opt) ->
w(Get,GetA).
decode_arg(N,#type{name=Class,base={class,_},single=true},Arg,A0) ->
A = align(A0,32),
wa(" ~s *",[Class],"~s = (~s *) getPtr(bp,memenv); bp += 4;~n",[N,Class],Arg),
A;
decode_arg(N,{merged,_,#type{name=Class,base={class,_},single=true},_,_,_,_},arg,A0) ->
A = align(A0,32),
w(" ~s * ~s = (~s *) getPtr(bp,memenv); bp += 4;~n", [Class,N,Class]),
A;
decode_arg(N,#type{base=long,single=true,name=Type},arg,A0) ->
A = align(A0,64),
w(" long * ~s = (~s *) bp; bp += 8;~n", [N,Type]),
A;
decode_arg(N,#type{base=int,single=true,mod=Mod0,name=Type,ref=Ref},Arg,A0) ->
Mod = mods(Mod0),
case Arg of
arg -> w(" ~s~s * ~s = (~s~s *) bp; bp += 4;~n", [Mod,int,N,Mod,int]);
opt when Ref =:= {pointer,1} ->
w(" ~s = (~s *) bp; bp += 4;~n", [N,int]);
opt ->
w(" ~s = (~s)*(~s~s *) bp; bp += 4;~n", [N,Type,Mod,int])
end,
align(A0,32);
decode_arg(N,#type{base=float,single=true,name=Type},arg,A0) ->
w(" ~s * ~s = (~s *) bp; bp += 4;~n", [Type,N,Type]),
align(A0,32);
decode_arg(N,#type{base=double,single=true,name=Type},Arg,A0) ->
A = align(A0,64),
case Arg of
arg -> w(" ~s * ~s = (~s *) bp; bp += 8;~n", [Type,N,Type]);
opt -> w(" ~s = * (~s *) bp; bp += 8;~n", [N,Type])
end,
A;
decode_arg(N,#type{base=bool,single=true,name=Type},Arg,A0) ->
case Arg of
arg -> w(" bool * ~s = (~s *) bp; bp += 4;~n", [N,Type]);
opt -> w(" ~s = *(~s *) bp; bp += 4;~n", [N,Type])
end,
align(A0,32);
decode_arg(N,#type{base={enum,Type},single=true},Arg,A0) ->
wa(" ~s ", [enum_type(Type)], "~s = *(~s *) bp; bp += 4;;~n",[N, enum_type(Type)], Arg),
align(A0,32);
decode_arg(N,#type{base={comp,"wxDateTime",List},single=true,name=Type,ref=Ref},Arg,A0) ->
Decl = fun({int,Spec}) ->
w(" int * ~s~s = (int *) bp; bp += 4;~n", [N,Spec])
end,
align(A0,32),
lists:foreach(Decl,List),
Name = fun({_,"Mo"}) -> "(wxDateTime::Month) *"++N++"Mo";
({_,"Y"}) -> "*"++N++"Y";
({_,Spec}) -> "(wxDateTime::wxDateTime_t) *"++N++Spec
end,
case Arg of
arg -> w(" ~s ~s = ~s(~s);~n", [Type,N,Type,args(Name, ",", List)]);
opt when Ref =:= {pointer,1} ->
w(" ~sTmp = ~s(~s); ~s = & ~sTmp;~n",
[N,Type,args(Name, ",", List), N,N]);
opt ->
w(" ~s = ~s(~s);~n", [N,Type,args(Name, ",", List)])
end,
(A0+length(List)) rem 2;
decode_arg(N,#type{base={comp,_,List},single=true,name=Type,ref=Ref},Arg,A0) ->
Decl = fun({int,Spec}) ->
w(" int * ~s~s = (int *) bp; bp += 4;~n", [N,Spec]);
({double, Spec}) ->
w(" wxDouble * ~s~s = (wxDouble *) bp; bp += 8;~n", [N,Spec])
end,
case hd(List) of
{int, _} -> align(A0,32);
{double, _} -> align(A0,64)
end,
lists:foreach(Decl,List),
Name = fun({_,Spec}) -> "*"++N++Spec end,
case Arg of
arg -> w(" ~s ~s = ~s(~s);~n", [Type,N,Type,args(Name, ",", List)]);
opt when Ref =:= {pointer,1} ->
w(" ~sTmp = ~s(~s); ~s = & ~sTmp;~n",
[N,Type,args(Name, ",", List), N,N]);
opt ->
w(" ~s = ~s(~s);~n", [N,Type,args(Name, ",", List)])
end,
case hd(List) of
{int, _} -> (A0+length(List)) rem 2;
{double, _} -> 0
end;
decode_arg(N,#type{name=Class="wxTreeItemId",single=true},Arg,A0) ->
A = align(A0,64),
wa(" ~s ",[Class],"~s = wxTreeItemId((void *) *(wxUint64 *) bp); bp += 8;~n",[N],Arg),
A;
decode_arg(N,#type{name=Class="wxTreeItemIdValue",single=true},Arg,A0) ->
A = align(A0,64),
wa(" ~s ",[Class],"~s = (~s) * (wxUint64 *) bp; bp += 8;~n",[N,Class],Arg),
A;
decode_arg(N,#type{name="wxChar", single=S},Arg,A0)
when S =/= true ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
wa(" wxString", []," ~s = wxString(bp, wxConvUTF8);~n", [N],Arg),
w(" bp += *~sLen+((8-((~p+ *~sLen) & 7)) & 7);~n", [N,4*((A0+1) rem 2),N]),
0;
decode_arg(N,#type{base=string, name="wxFileName"},Arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
wa(" wxString", []," ~sStr = wxString(bp, wxConvUTF8);~n", [N],Arg),
w(" bp += *~sLen+((8-((~p+ *~sLen) & 7)) & 7);~n", [N,4*((A0+1) rem 2),N]),
w(" wxFileName ~s = wxFileName(~sStr);~n",[N,N]),
0;
decode_arg(N,#type{base=string},Arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
wa(" wxString", []," ~s = wxString(bp, wxConvUTF8);~n", [N],Arg),
w(" bp += *~sLen+((8-((~p+ *~sLen) & 7)) & 7);~n", [N,4*((A0+1) rem 2),N]),
0;
decode_arg(N,#type{name="wxArrayString"},Place,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
case Place of
arg -> w(" wxArrayString ~s;~n", [N]);
opt -> ignore %% Allready declared
end,
w(" int ~sASz = 0, * ~sTemp;~n", [N,N]),
w(" for(int i=0; i < *~sLen; i++) {~n", [N]),
w(" ~sTemp = (int *) bp; bp += 4;~n", [N]),
w(" ~s.Add(wxString(bp, wxConvUTF8));~n", [N]),
w(" bp += *~sTemp;~n", [N]),
w(" ~sASz += *~sTemp+4;~n }~n", [N,N]),
w(" bp += (8-((~p+ ~sASz) & 7 )) & 7;~n", [4*((A0+1) rem 2),N]),
0;
decode_arg(N,#type{name="wxArrayInt"},arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
w(" wxArrayInt ~s;~n", [N]),
w(" for(int i=0; i < *~sLen; i++) {", [N]),
w(" ~s.Add(*(int *) bp); bp += 4;}~n", [N]),
w(" bp += ((*~sLen + ~p) % 2 )*4;~n",[N, (A0+1)]),
0;
decode_arg(N,#type{name="wxArrayDouble"},arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
align(A0+1,64),
w(" wxArrayDouble ~s;~n", [N]),
w(" for(int i=0; i < *~sLen; i++) {", [N]),
w(" ~s.Add(*(int *) bp); bp += 4;}~n", [N]),
0;
decode_arg(_N,#type{base=eventType},_Arg,A0) ->
%% w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
%% case Arg of
%% arg ->
%% w(" int ~s = wxeEventTypeFromAtom(bp);bp += *~sLen;~n",[N,N]),
%% w(" char *class_name = bp;~n", []),
%% w(" wxeCallbackData * Evt_cb = new wxeCallbackData(Ecmd.caller,This,class_name);~n",
%% [])
%% end,
A0;
decode_arg(N,#type{name=Type,base=binary,mod=Mod0},Arg,A0) ->
Mod = mods([M || M <- Mod0]),
case Arg of
arg ->
w(" ~s~s * ~s = (~s~s*) Ecmd.bin[~p]->base;~n",
[Mod,Type,N,Mod,Type, next_id(bin_count)]);
opt ->
w(" ~s = (~s~s*) Ecmd.bin[~p]->base;~n",
[N,Mod,Type,next_id(bin_count)])
end,
A0;
decode_arg(N,#type{base={term,"wxTreeItemData"},mod=Mod0},Arg,A0) ->
Mod = mods([M || M <- Mod0]),
Type = "wxETreeItemData",
BinCnt = next_id(bin_count),
case Arg of
arg ->
w(" ~s~s * ~s = new ~s(Ecmd.bin[~p]->size, Ecmd.bin[~p]->base);~n",
[Mod,Type,N,Type,BinCnt,BinCnt]);
opt ->
w(" ~s = new ~s(Ecmd.bin[~p]->size, Ecmd.bin[~p]->base);~n",
[N,Type,BinCnt,BinCnt])
end,
A0;
decode_arg(N,#type{name=Type,base={term,_},mod=Mod0},Arg,A0) ->
Mod = mods([M || M <- Mod0]),
BinCnt = next_id(bin_count),
case Arg of
arg ->
w(" ~s~s * ~s = new ~s(Ecmd.bin[~p]);~n",
[Mod,Type,N,Type,BinCnt]);
opt ->
w(" ~s = new ~s(Ecmd.bin[~p]);~n",
[N,Type,BinCnt])
end,
A0;
decode_arg(N,#type{single=array,base=int},Arg,A0) ->
case Arg of
arg ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
w(" int * ~s = (int *) bp; bp += *~sLen*4+((~p+ *~sLen)%2 )*4;~n",
[N,N,(A0+1) rem 2,N]);
opt ->
w(" ~sLen = (int *) bp; bp += 4;~n", [N]),
w(" ~s = (int *) bp; bp += *~sLen*4+((~p+ *~sLen)%2 )*4;~n",
[N,N,(A0+1) rem 2,N])
end,
0;
decode_arg(N,#type{by_val=true,single=array,base={comp,Class="wxPoint",_}},arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
w(" ~s *~s;~n",[Class,N]),
w(" ~s = (~s *) driver_alloc(sizeof(~s) * *~sLen);~n",[N,Class,Class,N]),
store_free(N),
w(" for(int i=0; i < *~sLen; i++) {~n", [N]),
w(" int x = * (int *) bp; bp += 4;~n int y = * (int *) bp; bp += 4;~n", []),
w(" ~s[i] = wxPoint(x,y);}~n", [N]),
align(A0,32);
decode_arg(N,#type{by_val=true,single=array,base={class,Class}},arg,A0) ->
A = align(A0,32),
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
w(" ~s *~s;~n",[Class,N]),
w(" ~s = (~s *) driver_alloc(sizeof(~s) * *~sLen);", [N, Class, Class, N]),
store_free(N),
w(" for(int i=0; i < *~sLen; i++) {", [N]),
w(" ~s[i] = * (~s *) getPtr(bp,memenv); bp += 4;}~n", [N,Class]),
w(" bp += ((~p+ *~sLen)%2 )*4;~n", [A, N]),
0;
decode_arg(N,#type{name=Type,single=list,base={class,Class}},arg,A0) ->
w(" int * ~sLen = (int *) bp; bp += 4;~n", [N]),
A = align(A0,32),
w(" ~s ~s;~n",[Type,N]),
w(" for(int i=0; i < *~sLen; i++) {", [N]),
w(" ~s.Append(*(~s *) getPtr(bp,memenv)); bp += 4;}~n", [N,Class]),
w(" bp += ((~p+ *~sLen)%2 )*4;~n", [A,N]),
0;
decode_arg(Name,T, Arg,_A) ->
?error({unhandled_type, {Name,T, Arg}}).
align(0, 32) -> 1;
align(1, 32) -> 0;
align(0, 64) -> 0;
align(1, 64) ->
w(" bp += 4; /* Align */~n"),
0;
align(N,Sz) ->
align(N rem 2, Sz).
call_wx(_N,{constructor,_},#type{base={class,RClass}},Ps) ->
#class{id=Id} = ClassDef = get({class,RClass}),
Class = case is_derived(ClassDef) of
true -> "E" ++ RClass;
false -> RClass
end,
w(" ~s * Result = new ~s(~s);~n",
[RClass, Class,args(fun call_arg/1, ",",filter(Ps))]),
CType = case is_window(RClass) of
true -> %% Windows have parents that should be deleted first
case is_dialog(RClass) of
true -> 2; %% Dialogs must be closed first event before windows
false -> 0
end;
false ->
case hd(reverse(wx_gen_erl:parents(RClass))) of
root -> Id;
_ -> 1
end
end,
case virtual_dest(ClassDef) orelse (CType =/= 0) of
true ->
w(" newPtr((void *) Result, ~p, memenv);~n", [CType]);
false -> %% Hmm window without virt dest
w(" /* Possible memory leak here, class is missing virt dest */ \n")
end,
Ps;
call_wx(N,{member,_},Type,Ps) ->
{Beg,End} = return_res(Type),
w(" if(!This) throw wxe_badarg(0);~n",[]),
w(" ~sThis->~s(~s)~s;~n",[Beg,N,args(fun call_arg/1, ",",filter(Ps)),End]),
Ps;
call_wx(N,{static,Class},Type,Ps) ->
{Beg,End} = return_res(Type),
#class{parent=Parent} = get({class,Class}),
case Parent of
"static" ->
w(" ~s::~s(~s)~s;~n",[Beg,N,args(fun call_arg/1, ",",filter(Ps)),End]);
_ ->
w(" ~s~s::~s(~s)~s;~n",[Beg,Class,N,args(fun call_arg/1, ",",filter(Ps)),End])
end,
Ps.
return_res(void) -> {"", ""};
return_res(Type = #type{mod=Mod}) ->
case lists:member(const, Mod) of
true ->
{Beg, End} = return_res1(Type),
{"const " ++ Beg, End};
_ ->
return_res1(Type)
end.
return_res1(#type{name=Type,ref={pointer,_}, base={term,_}}) ->
{Type ++ " * Result = (" ++ Type ++ "*)", ""};
return_res1(#type{name=Type,ref={pointer,_}}) ->
{Type ++ " * Result = (" ++ Type ++ "*)", ""};
return_res1(#type{name=Type,single=true,ref=reference}) ->
{Type ++ " * Result = &", ""};
return_res1(#type{name=Type,single=true,by_val=true})
when is_atom(Type) ->
{atom_to_list(Type) ++ " Result = ", ""};
return_res1(#type{name=Type="wxArrayInt"}) ->
{Type ++ " Result = ", ""};
return_res1(#type{name=Type,base={class,_},single=list,ref=reference}) ->
{Type ++ " Result = ", ""};
return_res1(#type{name=Type,base={comp,_,_},single=array,by_val=true}) ->
{Type ++ " Result = ", ""};
return_res1(#type{name=Type,single=true,by_val=true, base={class, _}}) ->
%% Memory leak !!!!!! XXXX BUGBUG FIXME or doument!!
case Type of
"wxImage" -> ok;
"wxFont" -> ok;
"wxBitmap" -> ok;
"wxIcon" -> ok;
"wxGraphics" ++ _ -> ok;
_ ->
io:format("~s::~s Building return value of temp ~s~n",
[get(current_class),get(current_func),Type])
end,
%% #class{id=Id} = get({class,Type}),
{Type ++ " * Result = new " ++ Type ++ "(", "); newPtr((void *) Result,"
++ "3, memenv);"};
return_res1(#type{base={enum,_Type},single=true,by_val=true}) ->
{"int Result = " , ""};
return_res1(#type{name="wxCharBuffer", base={binary,_},single=true,by_val=true}) ->
{"char * Result = ", ".data()"};
return_res1(#type{name=Type,single=array,ref=reference}) ->
{Type ++ " Result = ", ""};
return_res1(#type{name=Type,single=true,by_val=true}) ->
{Type ++ " Result = ", ""}.
filter(Ps) ->
lists:filter(fun filter_arg/1, Ps).
filter_arg(#param{where=erl}) -> false;
filter_arg(#param{where=this}) -> false;
filter_arg(#param{}) -> true.
%%filter_arg(#param{def=Def, in=In}) -> Def =:= none orelse In =:= false.
call_arg(#param{where=c, alt={length,Alt}}) when is_list(Alt) ->
"*" ++ Alt ++ "Len";
call_arg(#param{where=c, alt={size,Id}}) when is_integer(Id) ->
%% It's a binary
"Ecmd.bin["++ integer_to_list(Id) ++ "]->size";
call_arg(#param{name=N,def=Def,type=#type{name=Type,by_val=true,single=true,base=Base}})
when Base =:= int; Base =:= long; Base =:= float; Base =:= double; Base =:= bool ->
case Def of
none -> "(" ++ to_string(Type) ++ ") *" ++ N;
_ -> N
end;
call_arg(#param{name=N,type=#type{base={enum,Type}, by_val=true,single=true}}) ->
"(" ++ enum_type(Type) ++") " ++ N;
call_arg(#param{name=N,type=#type{base={class,_},by_val=true,single=true}}) -> "*" ++ N;
call_arg(#param{name=N,type=#type{base={class,_},ref=reference,single=true}}) -> "*" ++ N;
call_arg(#param{name=N,type=#type{base=eventType}}) ->
N ++ ", (wxObjectEventFunction)(wxEventFunction) &WxeApp::handle_evt, Evt_cb, this";
call_arg(#param{name=N,type=#type{by_val=true, single=_False}}) -> N;
call_arg(#param{name=N,def=Def,type=#type{by_val=false, ref={pointer,2}}})
when Def =/= none -> N;
call_arg(#param{name=N,type=#type{by_val=false, ref={pointer,2}}}) -> "&" ++ N;
call_arg(#param{name=N,in=false,type=#type{ref=reference, single=true}}) -> N;
call_arg(#param{name=N,in=false,type=#type{by_val=false, single=true}}) -> "&" ++ N;
call_arg(#param{name=N,def=Def,type=#type{base={comp,_,_},ref={pointer,1},single=true}})
when Def =:= none ->
"&" ++N;
call_arg(#param{name=N,type=#type{by_val=false}}) -> N;
call_arg(#param{name=N,type={merged,_,#type{base={class,_},single=true,
by_val=ByVal,
ref=Ref},_,_,_,_}})
when ByVal =:= true; Ref =:= reference ->
"*" ++ N;
call_arg(#param{def=Def, type=void}) when Def =/= none -> Def;
call_arg(#param{name=N,type=#type{base={ref,_},by_val=true,single=true}}) -> N;
call_arg(#param{name=N,type={merged,_,_,_,_,_,_}}) -> N.
%% call_arg(#param{name=N,type=#type{base=Tuple,ref=reference}})
%% when is_tuple(Tuple) -> "&" ++ N;
to_string(Type) when is_atom(Type) -> atom_to_list(Type);
to_string(Type) when is_list(Type) -> Type.
virtual_dest(#class{abstract=true, parent="root"}) -> false;
virtual_dest(#class{abstract=true, parent="object"}) -> true;
virtual_dest(#class{abstract=true, parent=Parent}) ->
virtual_dest(get({class,Parent}));
virtual_dest(#class{methods=Ms, parent=Parent}) ->
case lists:keysearch(destructor,#method.method_type, lists:append(Ms)) of
{value, #method{method_type=destructor, virtual=Virtual}} ->
case Virtual of
undefined ->
case get({class,Parent}) of
undefined ->
case Parent of
"object" ->
true;
"root" ->
false;
_ ->
io:format("Error: ~p~n",[Parent]),
erlang:error(no_parent)
end;
PClass ->
virtual_dest(PClass)
end;
_ ->
Virtual
end;
false ->
false
end.
debug(F,A) ->
case get(debug) of
true -> ?warning(F,A);
_ -> ok
end.
is_derived(#class{abstract=true}) -> false;
is_derived(C = #class{}) -> virtual_dest(C).
is_window(Class) ->
lists:member("wxWindow", wx_gen_erl:parents(Class)).
is_dialog(Class) ->
lists:member("wxDialog", wx_gen_erl:parents(Class)).
build_return_vals(Type,Ps) ->
HaveType = case Type of void -> 0; _ -> 1 end,
NoOut = lists:sum([1 || #param{in=In} <- Ps, In =/= true]) + HaveType,
OutTupSz = if NoOut > 1 -> NoOut; true -> 0 end,
build_ret_types(Type,Ps),
if
OutTupSz > 1 -> w(" rt.addTupleCount(~p);~n",[OutTupSz]);
true -> ignore
end,
Ps.
build_ret_types(void,Ps) ->
Calc = fun(#param{name=N,in=False,type=T}, Free) when False =/= true ->
case build_ret(N, False, T) of
ok -> Free;
Other -> [Other|Free]
end;
(_, Free) -> Free
end,
lists:foldl(Calc, [], Ps);
build_ret_types(Type,Ps) ->
Free = case build_ret("Result", out, Type) of
ok -> [];
FreeStr -> [FreeStr]
end,
Calc = fun(#param{name=N,in=False,type=T}, FreeAcc) when False =/= true ->
case build_ret(N, False, T) of
ok -> FreeAcc;
FreeMe -> [FreeMe|FreeAcc]
end;
(_, FreeAcc) -> FreeAcc
end,
lists:foldl(Calc, Free, Ps).
build_ret(Name,_,#type{base={class,Class},single=true}) ->
w(" rt.addRef(getRef((void *)~s,memenv), \"~s\");~n",[Name,Class]);
build_ret(Name,_,#type{name="wxTreeItemId",single=true}) ->
w(" rt.add((wxUIntPtr *) ~s.m_pItem);~n",[Name]);
build_ret(Name,_,#type{name="wxTreeItemIdValue",single=true}) ->
w(" rt.add((wxUIntPtr *) ~s);~n",[Name]);
build_ret(Name,_,#type{base={term,_},single=true}) ->
w(" rt.addExt2Term(~s);~n", [Name]);
build_ret(Name,_,#type{base={binary,Size},single=true}) ->
w(" if(~s) {~n", [Name]),
w(" rt.addBinary(~s, ~s);~n", [Name,Size]),
w(" } else {rt.addAtom(\"null\");};~n");
build_ret(Name,_,#type{name="wxUIntPtr", ref={pointer,1}, single=true}) ->
w(" rt.add(~s);~n", [Name]);
build_ret(Name,_,#type{base={enum,_Type},single=true}) ->
w(" rt.addInt(~s);~n",[Name]);
build_ret(Name,_,#type{base={comp,_,{record, _}},single=true}) ->
w(" rt.add(~s);~n", [Name]);
build_ret(Name,_,#type{base={comp,_,_},single=true, ref=reference}) ->
w(" rt.add((*~s));~n",[Name]);
build_ret(Name,_,#type{base={comp,_,_},single=true}) ->
w(" rt.add(~s);~n",[Name]);
build_ret(Name,_,#type{base=bool,single=true,by_val=true}) ->
w(" rt.addBool(~s);~n",[Name]);
build_ret(Name,both,#type{base=int,single=true,mod=M}) ->
case lists:member(unsigned, M) of
true -> w(" rt.addUint(*~s);~n",[Name]);
false -> w(" rt.addInt(*~s);~n",[Name])
end;
build_ret(Name,_,#type{base=int,single=true,mod=M}) ->
case lists:member(unsigned, M) of
true -> w(" rt.addUint(~s);~n",[Name]);
false -> w(" rt.addInt(~s);~n",[Name])
end;
build_ret(Name,_,#type{name="wxArrayInt"}) ->
w(" rt.add(~s);~n", [Name]);
build_ret(Name,_,#type{base={comp,_,_},single=array}) ->
w(" for(unsigned int i=0; i < ~s.GetCount(); i++) {~n", [Name]),
w(" rt.add(~s[i]);~n }~n",[Name]),
w(" rt.endList(~s.GetCount());~n",[Name]);
build_ret(Name,_,#type{name=List,single=list,base={class,Class}}) ->
w(" int i=0;~n"),
w(" for(~s::const_iterator it = ~s.begin(); it != ~s.end(); ++it) {~n",
[List, Name, Name]),
w(" ~s * ~sTmp = *it;~n", [Class,Name]),
w(" rt.addRef(getRef((void *)~sTmp,memenv), \"~s\"); i++;}~n",[Name,Class]),
w(" rt.endList(~s.GetCount());~n",[Name]);
build_ret(Name,_,#type{name="wxArrayTreeItemIds"}) ->
w(" for(unsigned int i=0; i < ~s.GetCount(); i++) {~n", [Name]),
w(" rt.add((wxUIntPtr *)~s[i].m_pItem);}~n",[Name]),
w(" rt.endList(~s.GetCount());~n",[Name]);
build_ret(Name,_,#type{base=float,single=true}) ->
%% w(" double Temp~s = ~s;~n", [Name,Name]),
w(" rt.addFloat(~s);~n",[Name]);
build_ret(Name,_,#type{base=double,single=true}) ->
w(" rt.addFloat(~s);~n",[Name]);
build_ret(Name,_,#type{base=string,single=true}) ->
w(" rt.add(~s);~n",[Name]);
build_ret(Name,_,#type{name="wxArrayString", single=array}) ->
w(" rt.add(~s);~n", [Name]);
build_ret(Name,In,T) ->
?error({nyi, Name,In, T}).
mods([const|R]) -> "const " ++ mods(R);
mods([unsigned|R]) -> "unsigned " ++ mods(R);
mods([]) -> "".
build_enums() ->
Tree = get(consts),
w(" /* This file is also generated */~n"),
w("#include <wx/wx.h>~n"),
w("#include \"../wxe_impl.h\"~n"),
w("#include \"wxe_macros.h\"~n"),
w("#include \"../wxe_return.h\"~n"),
w("void WxeApp::init_nonconsts(wxeMemEnv *memenv, ErlDrvTermData caller) {~n"),
NotConsts = [NC || NC = #const{is_const=false} <- gb_trees:values(Tree)],
Size = length(NotConsts),
GVars = get(gvars),
GSize = length(GVars),
w(" wxeReturn rt = wxeReturn(WXE_DRV_PORT, caller);~n"),
w(" rt.addAtom((char*)\"wx_consts\");~n"),
[build_enum(NConst) || NConst <- lists:keysort(#const.val, NotConsts)],
_Cnt = foldl(fun(Gvar, I) -> build_gvar(Gvar,I) end, 0, lists:sort(GVars)),
w(" rt.endList(~p);~n", [Size+GSize]),
w(" rt.addTupleCount(2);~n"),
w(" rt.send();~n"),
w("}~n"),
ok.
build_enum(#const{name=Name}) ->
w(" rt.addAtom(\"~s\"); rt.addInt(~s);~n", [Name, Name]),
w(" rt.addTupleCount(2);~n").
build_gvar({Name, "wxColour", _Id}, Cnt) ->
w(" rt.addAtom(\"~s\"); rt.add(*(~s));~n",[Name,Name]),
w(" rt.addTupleCount(2);~n"),
Cnt;
build_gvar({Name, {address,Class}, _Id}, Cnt) ->
w(" rt.addAtom(\"~s\"); rt.addRef(getRef((void *)&~s,memenv), \"~s\");~n",[Name,Name,Class]),
w(" rt.addTupleCount(2);~n"),
Cnt+1;
build_gvar({Name, Class, _Id}, Cnt) ->
w(" rt.addAtom(\"~s\"); rt.addRef(getRef((void *)~s,memenv),\"~s\");~n",[Name,Name,Class]),
w(" rt.addTupleCount(2);~n"),
Cnt+1.
gen_macros() ->
w("#include <wx/caret.h>~n"), %% Arrg wxw forgot?? some files
w("#include <wx/tooltip.h>~n"),
w("#include <wx/gbsizer.h>~n"),
w("#include <wx/splash.h>~n"),
w("#include <wx/grid.h>~n"),
w("#include <wx/image.h>~n"),
w("#include <wx/tglbtn.h>~n"),
w("#include <wx/calctrl.h>~n"),
w("#include <wx/dirctrl.h>~n"),
w("#include <wx/listctrl.h>~n"),
w("#include <wx/treectrl.h>~n"),
w("#include <wx/spinbutt.h>~n"),
w("#include <wx/spinctrl.h>~n"),
w("#include <wx/colordlg.h>~n"),
w("#include <wx/fdrepdlg.h>~n"),
w("#include <wx/fontdlg.h>~n"),
w("#include <wx/progdlg.h>~n"),
w("#include <wx/printdlg.h>~n"),
w("#include <wx/dcbuffer.h>~n"),
w("#include <wx/dcmirror.h>~n"),
w("#include <wx/glcanvas.h>~n"),
w("#include <wx/dcps.h>~n"),
w("#include <wx/xrc/xmlres.h>~n"),
w("#include <wx/html/htmprint.h>~n"),
w("#include <wx/stc/stc.h>~n"),
w("#include <wx/minifram.h>~n"),
w("#include <wx/sashwin.h>~n"),
w("#include <wx/laywin.h>~n"),
w("#include <wx/graphics.h>~n"),
w("#include <wx/aui/aui.h>~n"),
w("#include <wx/datectrl.h>~n"),
w("#include <wx/filepicker.h>~n"),
w("#include <wx/fontpicker.h>~n"),
w("#include <wx/clrpicker.h>~n"),
w("#include <wx/statline.h>~n"),
w("#include <wx/clipbrd.h>~n"),
w("#include <wx/splitter.h>~n"),
w("#include <wx/choicebk.h>~n"),
w("#include <wx/toolbook.h>~n"),
w("#include <wx/listbook.h>~n"),
w("#include <wx/treebook.h>~n"),
w("#include <wx/html/htmlwin.h>~n"),
w("#include <wx/html/htmlcell.h>~n"),
w("#include <wx/filename.h>~n"),
w("~n~n", []),
w("#ifndef wxICON_DEFAULT_BITMAP_TYPE~n",[]),
w(" #define wxICON_DEFAULT_BITMAP_TYPE wxBITMAP_TYPE_ICO_RESOURCE~n",[]),
w("#endif~n", []),
w("~n~n", []),
[w("#define ~s_~s ~p~n", [Class,Name,Id]) ||
{Class,Name,_,Id} <- wx_gen_erl:get_unique_names()],
w("~n~n").
build_events() ->
open_write("../c_src/gen/wxe_events.cpp"),
c_copyright(),
w("~n/***** This file is generated do not edit ****/~n~n"),
w("#include <wx/wx.h>~n"),
w("#include \"../wxe_impl.h\"~n~n"),
w("#include \"wxe_macros.h\"~n"),
w("#include \"../wxe_events.h\"~n~n"),
w("#include \"../wxe_return.h\"~n~n"),
w("wxeEtype::wxeEtype(const char *name, int Id) {eName = name;cID = Id;}~n~n"),
w("WX_DECLARE_HASH_MAP(int, wxeEtype*, wxIntegerHash, wxIntegerEqual, wxeETmap );~n~n"),
w("wxeETmap etmap;~n~n"),
w(
"int wxeEventTypeFromAtom(char *etype_atom) {
wxeETmap::iterator it;
for(it = etmap.begin(); it != etmap.end(); ++it) {
wxeEtype * value = it->second;
if(strcmp(value->eName, etype_atom) == 0) {
if(it->first > wxEVT_USER_FIRST) {
return it->first - wxEVT_USER_FIRST;
} else {
return it->first;
}
}
}
return -1;
}
"),
Evs0 = [C || {_,C=#class{event=Evs}} <- get(), Evs =/= false],
Evs = lists:keysort(#class.id, Evs0),
initEventTable(Evs),
encode_events(Evs),
close().
initEventTable(Evs) ->
w("void initEventTable()~n{~n"),
w(" struct { ",[]),
w("int ev_type; int class_id; const char * ev_name;} event_types[] =~n {~n",[]),
lists:foreach(fun(Ev) -> init_event_classes(Ev) end,
[#class{id=0,event=[wxEVT_NULL]}|Evs]),
w(" {-1, 0, ""}~n };~n",[]),
w(" for(int i=0; event_types[i].ev_type != -1; i++) {~n",[]),
w(" if(NULL == etmap[event_types[i].ev_type]) {~n",[]),
w(" etmap[event_types[i].ev_type] =~n"
" new wxeEtype(event_types[i].ev_name, event_types[i].class_id);~n"),
w(" } else {~n",[]),
w(" wxeEtype *prev = etmap[event_types[i].ev_type];~n"
" wxString msg(wxT(\"Duplicate event defs: \"));~n"
" msg += wxString::FromAscii(event_types[i].ev_name);~n"
" msg += wxString::Format(wxT(\" %d \"), event_types[i].class_id);~n"
" msg += wxString::FromAscii(prev->eName);~n"
" msg += wxString::Format(wxT(\" %d\"), prev->cID);~n"
" send_msg(\"internal_error\", &msg);~n"
" }~n"
" }~n", []),
w("}~n~n").
init_event_classes(#class{event=ETs, id=Id}) ->
F = fun({Eev, Cev, OtherClass}) ->
w(" {~w + wxEVT_USER_FIRST, ~w, ~p},~n",
[Cev, find_id(OtherClass), wx_gen_erl:event_type_name(Eev)]);
({Ev, {test_if, Test}}) ->
w("#if ~s~n", [Test]),
w(" {~w, ~w, ~p},~n",
[Ev, Id, wx_gen_erl:event_type_name(Ev)]),
w("#endif~n", []);
(Ev) ->
w(" {~w, ~w, ~p},~n",
[Ev, Id, wx_gen_erl:event_type_name(Ev)])
end,
[F(ET) || ET <- ETs].
find_id(OtherClass) ->
Class = get({class,atom_to_list(OtherClass)}),
%%{value, Class} = lists:keysearch(atom_to_list(OtherClass), #class.name, All),
Class#class.id.
encode_events(Evs) ->
?WTC("encode_events"),
w("void wxeEvtListener::forward(wxEvent& event)~n"
"{~n"
"#ifdef DEBUG~n"
" if(!sendevent(&event, port))~n"
" fprintf(stderr, \"Couldn't send event!\\r\\n\");~n"
"#else~n"
"sendevent(&event, port);~n"
"#endif~n"
"}~n~n"),
w("int getRef(void* ptr, wxeMemEnv* memenv)~n"
"{~n"
" WxeApp * app = (WxeApp *) wxTheApp;~n"
" return app->getRef(ptr,memenv);~n"
"}~n~n"),
w("bool sendevent(wxEvent *event, ErlDrvPort port)~n{~n"
" int send_res ;~n"
" char * evClass = NULL;~n"
" wxMBConvUTF32 UTFconverter;~n"
" wxeEtype *Etype = etmap[event->GetEventType()];~n"
" wxeCallbackData *cb = (wxeCallbackData *)event->m_callbackUserData;~n"
" WxeApp * app = (WxeApp *) wxTheApp;~n"
" wxeMemEnv *memenv = app->getMemEnv(port);~n"
" if(!memenv) return 0;~n~n"
" wxeReturn rt = wxeReturn(port, cb->listener);~n"),
w("~n rt.addAtom((char*)\"wx\");~n"
" rt.addInt((int) event->GetId());~n"
" rt.addRef(getRef((void *)(cb->obj), memenv), cb->class_name);~n"
" rt.addExt2Term(cb->user_data);~n"),
w(" switch(Etype->cID) {~n"),
lists:foreach(fun(Ev) -> encode_event(Ev) end, Evs),
w(" }~n~n"),
w(" rt.addTupleCount(5);~n"),
w(" if(cb->fun_id) {~n"),
w(" rt.addRef(getRef((void *)event,memenv), evClass);~n"),
w(" rt.addTupleCount(2);~n"),
w(" rt.addInt(cb->fun_id);~n"),
w(" rt.addAtom(\"_wx_invoke_cb_\");~n"),
w(" rt.addTupleCount(3);~n"),
w(" pre_callback();~n"),
w(" send_res = rt.send();~n"),
w(" if(send_res) handle_event_callback(port, cb->listener);~n"),
w(" app->clearPtr((void *) event);~n"),
w(" } else {~n"),
w(" send_res = rt.send();~n"),
w(" if(cb->skip) event->Skip();~n"),
w(" };~n"),
w(" return send_res;~n"),
w(" }~n").
encode_event(C = #class{name=Class, id=Id, options=Opts}) ->
?WTC("encode_event"),
case proplists:get_value("mixed_event", Opts) of
undefined ->
w("case ~p: {// ~s~n", [Id,Class]),
encode_event2(C),
ok;
Mixed ->
w("case ~p: {// ~s or ~s~n", [Id,Class,Mixed]),
w(" if(event->IsKindOf(CLASSINFO(~s))) {~n",[Class]),
encode_event2(C),
w(" } else {~n",[]),
w(" Etype = etmap[event->GetEventType() + wxEVT_USER_FIRST];~n",[]),
encode_event2(get({class,atom_to_list(Mixed)})),
w(" }~n",[]),
ok
end,
w(" break;~n}~n").
encode_event2(Class = #class{name=Name}) ->
Attrs = build_event_attrs(Class),
w(" evClass = (char*)\"~s\";~n",[Name]),
w(" rt.addAtom((char*)\"~s\");~n", [wx_gen_erl:event_rec_name(Name)]),
w(" rt.addAtom(Etype->eName);~n"),
build_ret_types(void, Attrs),
w(" rt.addTupleCount(~p);~n",[length(Attrs) + 2]).
build_event_attrs(ClassRec = #class{name=Class}) ->
Attrs0 = wx_gen_erl:filter_attrs(ClassRec),
Rename =
fun(Att = #param{name=Name,prot=public,acc=undefined}, {All,Use}) ->
{[Att#param{name= "ev->" ++ Name}|All],Use};
(Att = #param{acc=Acc}, {All,_}) ->
{[Att#param{name= "ev->" ++ Acc}|All], true}
end,
case foldr(Rename,{[],false},Attrs0) of
{[],_} -> [];
%% {Attrs,false} ->
%% w(" ~s ev = dynamic_cast<~s&>(event);~n",[Class,Class]),
%% Attrs;
{Attrs,_} ->
w(" ~s * ev = (~s *) event;~n",[Class,Class]),
FixClass =
fun(P=#param{name=N,acc=Acc,type=#type{single=Single,by_val=ByVal,
base={class,C}}})
when Acc =/= undefined ->
Var = var_name(N),
if Single, ByVal ->
w(" ~s * ~s = new ~s(~s);~n", [C,Var,C,N]),
w(" app->newPtr((void *) ~s,3, memenv);~n", [Var]);
true ->
w(" ~s * ~s = ~s;~n", [C,Var,N])
end,
P#param{name=Var};
(P) -> P
end,
lists:map(FixClass, Attrs)
end.
var_name("ev->" ++ Name0) ->
case reverse(Name0) of
")(" ++ Name -> reverse(Name);
_ -> Name0
end;
var_name(Name) -> Name.
enum_name({Class,Type}) ->
uppercase_all(Class ++ "_" ++ Type);
enum_name(Type) ->
uppercase_all(Type).
enum_type({Class,Type}) ->
Class ++ "::" ++ Type;
enum_type(Type) -> Type.
