%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2012. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%%-------------------------------------------------------------------
%%% File : gl_gen.erl
%%% Author : Dan Gudmundsson <[email protected]>
%%% Description :
%%%
%%% Created : 16 Apr 2007 by Dan Gudmundsson <[email protected]>
%%%-------------------------------------------------------------------
-module(gl_gen).
-export([code/0]).
-include_lib("xmerl/include/xmerl.hrl").
-include("gl_gen.hrl").
-import(lists, [foldl/3,foldr/3,reverse/1,reverse/2,keysearch/3,map/2,filter/2]).
-import(proplists, [get_value/2,get_value/3]).
-import(gen_util,[uppercase_all/1]).
-compile(export_all).
code() -> safe(fun gen_code/0,true).
devcode() -> spawn(fun() -> safe(fun gen_code/0,false) end).
safe(What, QuitOnErr) ->
try
What(),
io:format("Completed successfully~n~n", []),
QuitOnErr andalso gen_util:halt(0)
catch Err:Reason ->
io:format("Error ~p: ~p:~p~n ~p~n",
[get(current_func),Err,Reason,erlang:get_stacktrace()]),
(catch gen_util:close()),
timer:sleep(1999),
QuitOnErr andalso gen_util:halt(1)
end.
gen_code() ->
{ok, Opts0} = file:consult("glapi.conf"),
erase(func_id),
Opts = init_defs(Opts0),
GLUDefs = parse_glu_defs(Opts),
GLDefs = parse_gl_defs(Opts),
{GLUDefines,GLUFuncs} = setup(GLUDefs, Opts),
{GLDefines,GLFuncs} = setup(GLDefs, Opts),
gl_gen_erl:gl_defines(GLDefines),
gl_gen_erl:gl_api(GLFuncs),
gl_gen_erl:glu_defines(GLUDefines),
gl_gen_erl:glu_api(GLUFuncs),
%%gl_gen_erl:gen_debug(GLFuncs,GLUFuncs),
gl_gen_c:gen(GLFuncs,GLUFuncs),
ok.
init_defs(Opts0) ->
Opts0.
parse_glu_defs(Opts0) ->
All = foldl(fun(File, Acc) -> load_file(File,Opts0,Acc) end, [], ["glu"]),
reverse(All).
parse_gl_defs(Opts0) ->
All = foldl(fun(File, Acc) -> load_file(File,Opts0,Acc) end, [], ["gl","glext"]),
reverse(All).
load_file(FileName, Opts, Acc) ->
File = filename:join(["gl_xml",FileName ++ "_8h.xml"]),
put({loaded, FileName}, true),
case xmerl_scan:file(File, [{space, normalize}]) of
{error, enoent} ->
io:format("Skipped File not found ~p ~n", [File]),
Acc;
{Doc, _} ->
io:format("Scanning ~p ~n", [File]),
%% It's duplicated in xml get sectiondef only once.
Content = find_data(Doc#xmlElement.content),
lists:foreach(fun(D) -> extract_argnames(D) end, Content),
foldl(fun(Data,Acc0) -> parse_file(Data, Opts, Acc0) end,
Acc, Content)
end.
extract_argnames(#xmlElement{name=memberdef,attributes=Attr,content=C}) ->
case keysearch(kind, #xmlAttribute.name, Attr) of
{value, #xmlAttribute{value = "typedef"}} ->
parse_typedef(C,undefined);
_ ->
ok
end;
extract_argnames(_) -> ok.
parse_typedef([#xmlElement{name=argsstring,content=[#xmlText{value=AS}]}|R],_) ->
parse_typedef(R,AS);
parse_typedef([#xmlElement{name=name}|_],undefined) ->
skip;
parse_typedef([#xmlElement{name=name,content=[#xmlText{value=N}]}|_],AS) ->
Args0 = string:tokens(AS," ,()*[]"),
try
Args = get_arg_names(Args0),
put({typedef,string:strip(N)},Args)
catch _:Where ->
io:format("Error ~p: ~p ~p~n", [N,Args0,Where]),
?error(arg_names)
end;
parse_typedef([_|R],AS) ->
parse_typedef(R,AS);
parse_typedef([],_) -> skip.
get_arg_names(As0) ->
Args = lists:filter(fun("const") -> false; (_) -> true end, As0),
get_arg_names(Args, []).
get_arg_names([_Type,Name|R],Acc) ->
get_arg_names(R, [Name|Acc]);
get_arg_names([],Acc) -> reverse(Acc);
get_arg_names(["void"],[]) -> [];
get_arg_names(Error,_Acc) -> exit(Error).
%% Avoid bugs in (old) doxygen..the new one doesn't have 'em
find_data([#xmlElement{name=compounddef, content=C}|_]) -> find_data(C);
find_data([#xmlElement{name=sectiondef, attributes=Attr, content=C}|R]) ->
case keysearch(kind, #xmlAttribute.name, Attr) of
{value, _} -> %% The new one have func define typedef
find_data(R) ++ C;
false ->
C
end;
find_data([_Hmm|R]) ->
%% case _Hmm of
%% #xmlElement{} ->
%% io:format("0 ~p ~n",[_Hmm#xmlElement.name]);
%% _ ->
%% ok
%% end,
find_data(R);
find_data([]) -> [].
parse_file(#xmlElement{name=memberdef,attributes=Attr, content=C}, Opts, Acc) ->
case keysearch(kind, #xmlAttribute.name, Attr) of
{value, #xmlAttribute{value = "function"}} ->
try
Def = parse_func(C, Opts),
[Def|Acc]
catch throw:skip -> Acc
after erase(current_func)
end;
{value, #xmlAttribute{value = "define"}} ->
try
Def = parse_define(C, #def{}, Opts),
[Def|Acc]
catch throw:skip -> Acc
end;
{value, #xmlAttribute{value = "typedef"}} ->
Acc;
_W ->
io:format("Hmm ~p~n",[_W]),
Acc
end;
parse_file(_Hmm,_,Acc) ->
Acc.
parse_define([#xmlElement{name=name,content=[#xmlText{value="API" ++ _}]}|_],_Def,_Os) ->
throw(skip);
parse_define([#xmlElement{name=name,content=[#xmlText{value="GLAPI"++_}]}|_],_Def,_Os) ->
throw(skip);
parse_define([#xmlElement{name=name,content=[#xmlText{value="WINGDIAPI"++_}]}|_],_Def,_Os) ->
throw(skip);
parse_define([#xmlElement{name=name,content=[#xmlText{value=Name}]}|R], Def, Os) ->
parse_define(R, Def#def{name=Name}, Os);
parse_define([#xmlElement{name=initializer,content=Contents}|_R],Def,_Os) ->
Val0 = extract_def2(Contents),
try
case Val0 of
"0x" ++ Val1 ->
_ = http_util:hexlist_to_integer(Val1),
Def#def{val=Val1, type=hex};
_ ->
Val = list_to_integer(Val0),
Def#def{val=Val, type=int}
end
catch _:_ ->
case catch list_to_float(Val0) of
{'EXIT', _} -> Def#def{val=Val0, type=string};
_ -> Def#def{val=Val0, type=float_str}
end
end;
parse_define([_|R], D, Opts) ->
parse_define(R, D, Opts);
parse_define([], D, _Opts) ->
D.
extract_def2([#xmlText{value=Val}|R]) ->
strip_comment(string:strip(Val)) ++ extract_def2(R);
extract_def2([#xmlElement{content=Cs}|R]) ->
extract_def2(Cs) ++ extract_def2(R);
extract_def2([]) -> [].
strip_comment("/*" ++ Rest) ->
strip_comment_until_end(Rest);
strip_comment("//" ++ _) -> [];
strip_comment([H|R]) -> [H | strip_comment(R)];
strip_comment([]) -> [].
strip_comment_until_end("*/" ++ Rest) ->
strip_comment(Rest);
strip_comment_until_end([_|R]) ->
strip_comment_until_end(R).
parse_func(Xml, Opts) ->
{Func,_} = foldl(fun(X,Acc) -> parse_func(X,Acc,Opts) end, {#func{},1}, Xml),
put(current_func, Func#func.name),
#func{params=Args0,type=Type0} = Func,
Args = filter(fun(#arg{type=void}) -> false; (_) -> true end, Args0),
#arg{type=Type} = patch_param(Func#func.name,#arg{name="result",type=Type0},Opts),
Func#func{params=reverse(Args), type=Type}.
parse_func(#xmlElement{name=type, content=C}, {F,AC}, Os) ->
Type = parse_type(drop_empty(C), Os),
{F#func{type=Type},AC};
parse_func(#xmlElement{name=name, content=[#xmlText{value=C}]},{F,AC},Os) ->
Func = string:strip(C),
put(current_func, Func),
{F#func{name=name(Func,Os)},AC};
parse_func(#xmlElement{name=param, content=C},{F,AC},Os) ->
put(current_func, F#func.name),
Parse = fun(Con, Ac) -> parse_param(Con, Ac, Os) end,
Param0 = foldl(Parse, #arg{}, drop_empty(C)),
Param = fix_param_name(Param0, F, AC),
{add_param(Param, Os, F),AC+1};
parse_func(_, F,_) ->
F.
fix_param_name(A=#arg{name=undefined,type=T},#func{name=Func},Count) ->
TDName = "PFN" ++ uppercase_all(Func) ++ "PROC",
case get({typedef,TDName}) of
undefined when T == void ->
A;
undefined ->
io:format("Didn't find typedef for: ~s~n", [TDName]),
exit(aargh);
AS ->
try A#arg{name = lists:nth(Count, AS)}
catch _:_ -> A
end
end;
fix_param_name(A,_,_) -> A.
parse_param(#xmlElement{name=type,content=C}, Arg, Os) ->
Arg#arg{type=parse_type(drop_empty(C),Os)};
parse_param(#xmlElement{name=declname,content=[C]},Arg,_Os) ->
#xmlText{value=Name} = C,
Arg#arg{name=Name};
parse_param(#xmlElement{name=array,content=[#xmlText{value=C}]},
Arg=#arg{type=Type0},_Os) ->
try
[Int] = string:tokens(C, "[] "),
Val = list_to_integer(Int),
Arg#arg{type=Type0#type{single={tuple,Val}, by_val=true}}
catch _:_ ->
?warning("Undefined Array size ~p in ~p ~p~n",
[Arg, get(current_func), C]),
Arg#arg{type=Type0#type{single={tuple,undefined}, by_val=true}}
end;
%% Skip these
parse_param(#xmlElement{name=definition}, Arg, _) -> Arg;
parse_param(#xmlElement{name=argsstring}, Arg,_) -> Arg;
parse_param(#xmlElement{name=briefdescription}, Arg,_) -> Arg;
parse_param(#xmlElement{name=detaileddescription}, Arg,_) -> Arg;
parse_param(#xmlElement{name=inbodydescription}, Arg,_) -> Arg;
parse_param(#xmlElement{name=location}, Arg,_) -> Arg;
parse_param(Other, Arg,_) ->
io:format("Unhandled Param ~p ~n in ~p~n", [Other,Arg]),
?error(unhandled_param).
add_param(Arg0=#arg{type=T0}, Opts, F=#func{name=Name,params=Args}) ->
Arg = case T0 of
%% #type{mod=[const],ref={pointer,1},name="GLubyte"} ->
%% Arg0#arg{type=T0#type{base=binary}};
#type{mod=[const]} -> Arg0; %% In is true default
#type{ref={pointer,_}} -> Arg0#arg{in=false,
type=T0#type{single=undefined}};
_ -> Arg0
end,
Patched = patch_param(Name,Arg,Opts),
F#func{params=[Patched|Args]}.
patch_param(Method,P = #arg{name=ArgName},AllOpts) ->
%%io:format("~p ~n", [Method]),
case lookup(Method,AllOpts,undefined) of
undefined -> P;
What ->
%% io:format("~p ~p => ~p~n", [Method, ArgName, What]),
case What of
{ArgName,Fopt} when is_list(Fopt) ->
foldl(fun handle_arg_opt/2,P,Fopt);
{ArgName,Fopt} ->
handle_arg_opt(Fopt,P);
{_,_} -> P;
Opts when is_list(Opts) ->
case get_value(ArgName, Opts, undefined) of
undefined -> P;
List when is_list(List) ->
foldl(fun handle_arg_opt/2,P,List);
Val ->
handle_arg_opt(Val,P)
end
end
end.
handle_arg_opt(skip, P) -> P#arg{where=c};
%%handle_arg_opt(nowhere, P) -> P#arg{where=nowhere};
%%handle_arg_opt(skip_member, _P) -> throw(skip_member);
handle_arg_opt(in, P) -> P#arg{in=true};
handle_arg_opt(out, P) -> P#arg{in=false};
handle_arg_opt(both, P) -> P#arg{in=both};
handle_arg_opt(binary, P=#arg{type=T}) ->
P#arg{type=T#type{size=undefined,base=binary}};
handle_arg_opt({binary,Sz}, P=#arg{type=T}) ->
P#arg{type=T#type{size={Sz, Sz},base=binary}};
handle_arg_opt({binary,Max, Sz}, P=#arg{type=T}) ->
P#arg{type=T#type{size={Max, Sz},base=binary}};
handle_arg_opt({type,Type}, P=#arg{type=T}) -> P#arg{type=T#type{name=Type}};
handle_arg_opt({single,Opt},P=#arg{type=T}) -> P#arg{type=T#type{single=Opt}};
handle_arg_opt({base,{Opt, Sz}}, P=#arg{type=T}) -> P#arg{type=T#type{base=Opt, size=Sz}};
handle_arg_opt({base,Opt}, P=#arg{type=T}) -> P#arg{type=T#type{base=Opt}};
handle_arg_opt({c_only,Opt},P) -> P#arg{where=c, alt=Opt};
handle_arg_opt(string, P=#arg{type=T}) -> P#arg{type=T#type{base=string}};
handle_arg_opt({string,Max,Sz}, P=#arg{type=T}) ->
P#arg{type=T#type{base=string, size={Max,Sz}}}.
parse_type([], _Os) -> void;
parse_type(C, Os) ->
{Type,_Info} = foldl(fun extract_type_info/2,{[],undefined},C),
Empty = #type{},
case parse_type2(reverse(Type),Empty,Os) of
Empty -> ?error({strange_type, Type});
Assert -> Assert
end.
extract_type_info(#xmlText{value=Value}, {Acc, Info}) ->
{reverse(foldl(fun extract_type_info2/2, [],
string:tokens(Value, " "))) ++ Acc, Info};
extract_type_info(#xmlElement{name=ref,attributes=As,
content=[#xmlText{value=V}]},
{Acc,undefined}) ->
{value, #xmlAttribute{value = Refid}} =
keysearch(refid,#xmlAttribute.name,As),
{value, #xmlAttribute{value = Kind}} =
keysearch(kindref,#xmlAttribute.name,As),
{reverse(foldl(fun extract_type_info2/2, [],
string:tokens(V, " "))) ++ Acc,
{Kind,Refid}};
extract_type_info(What,Acc) ->
?error({parse_error,What,Acc}).
extract_type_info2("const",Acc) -> [const|Acc];
extract_type_info2("*", [{by_ref,{pointer,N}}|Acc]) ->
[{by_ref,{pointer,N+1}}|Acc];
extract_type_info2("*", Acc) -> [{by_ref,{pointer,1}}|Acc];
extract_type_info2("**", Acc) -> [{by_ref,{pointer,2}}|Acc];
extract_type_info2(Type, Acc) -> [Type|Acc].
parse_type2(["void"], _T, _Opts) -> void;
parse_type2([N="void", const|R], T, Opts) ->
parse_type2([const|R],T#type{name=N, base=idx_binary},Opts);
parse_type2([N="void"|R], T, Opts) ->
parse_type2(R,T#type{name=N},Opts);
parse_type2([const|R],T=#type{mod=Mod},Opts) ->
parse_type2(R,T#type{mod=[const|Mod]},Opts);
parse_type2(["unsigned"|R],T=#type{mod=Mod},Opts) ->
parse_type2(R,T#type{mod=[unsigned|Mod]},Opts);
parse_type2([N="GLenum"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4, base=int},Opts);
parse_type2([N="GLboolean"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=1, base=bool},Opts);
parse_type2([N="GLbitfield"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4, base=int},Opts);
parse_type2([N="GLvoid"|R],T,Opts) ->
parse_type2(R,T#type{name=N, base=idx_binary},Opts);
parse_type2([N="GLsync"|R],T,Opts) ->
parse_type2(R,T#type{name=N, base=int, size=8},Opts);
parse_type2([N="GLbyte"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=1, base=int},Opts);
parse_type2([N="GLubyte"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=1, base=int},Opts);
parse_type2([N="GLshort"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=2, base=int},Opts);
parse_type2([N="GLushort"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=2, base=int},Opts);
parse_type2([N="GLint"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4, base=int},Opts);
parse_type2([N="GLint64"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=8, base=int},Opts);
parse_type2([N="GLuint64"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=8, base=int},Opts);
parse_type2([N="GLuint"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4, base=int},Opts);
parse_type2([N="GLsizei"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4, base=int},Opts);
parse_type2([N="GLfloat"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4,base=float},Opts);
parse_type2([N="GLdouble"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=8,base=float},Opts);
parse_type2([N="GLclampf"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=4,base=float},Opts);
parse_type2([N="GLclampd"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=8,base=float},Opts);
parse_type2([N="GLhandleARB"|R],T,Opts) ->
parse_type2(R,T#type{name=N, size=8,base=int},Opts);
parse_type2(["GLchar" ++ _ARB|R],T,Opts) ->
parse_type2(R,T#type{name="GLchar",size=1,base=string},Opts);
parse_type2(["GLUquadric"|R],T,Opts) ->
parse_type2(R,T#type{name="GLUquadric",size=8,base=int},Opts);
parse_type2(["GLintptr" ++ _ARB|R],T,Opts) ->
parse_type2(R,T#type{name="GLintptr",size=8,base=int},Opts);
parse_type2(["GLsizeiptr" ++ _ARB|R],T,Opts) ->
parse_type2(R,T#type{name="GLsizeiptr",size=8,base=int},Opts);
parse_type2([{by_ref,Ref}|R],T,Opts) ->
parse_type2(R,T#type{ref=Ref,by_val=false},Opts);
%% Let type errors be seen later because we don't know if these unhandled types
%% will be used.
parse_type2(_A = [Name|R],T,Opts) ->
%% io:format("unhandled ~p ~p ~n",[_A,T]),
New = T#type{name={unhandled,Name,get(current_func)}},
parse_type2(R,New,Opts);
parse_type2([], T, _) -> T.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function mangling %%
setup(Defs,Opts) ->
{Fs0,Ds0} =
foldr(fun(F=#func{name=N},{Fs,Ds}) ->
case put(N,F) of
undefined ->
{[N|Fs],Ds};
_ -> %% Duplicate
{Fs,Ds}
end;
(D=#def{}, {Fs,Ds}) ->
{Fs,[D|Ds]}
end, {[],[]}, Defs),
Fs = setup_functions(Fs0,Opts,[]),
erase(current_func),
%% Remove duplicates but keep order
{Ds,_} = foldl(fun(D=#def{name=Name},{Keep,Defined}) ->
case gb_sets:is_member(Name,Defined) of
true -> {Keep,Defined};
false -> {[D|Keep],gb_sets:add(Name,Defined)}
end
end, {[],gb_sets:empty()}, Ds0),
{reverse(Ds),Fs}.
setup_functions([F0|Defs],Opts,Acc) ->
put(current_func, F0),
{Name, Ext} = get_extension(F0,Opts),
%%io:format("~p = ~p + ~p~n", [F0, Name, Ext]),
Skip = (not keep(F0,Opts)) andalso (skip(F0,Opts) orelse skip(Ext,Opts)),
case Skip of
true ->
setup_functions(Defs,Opts,Acc);
false ->
case setup_extension(Name,Ext,Opts) of
skip ->
setup_functions(Defs,Opts,Acc);
New ->
setup_functions(Defs,Opts,[New|Acc])
end
end;
setup_functions([],_, Acc) -> reverse(Acc).
setup_extension(Name,"",Opts) ->
setup_vector_variant(Name,"",Opts);
setup_extension(Name,Ext,Opts) ->
case get(Name) of
undefined ->
setup_vector_variant(Name,Ext,Opts);
OrigF = #func{} ->
F = get(Name++Ext),
case is_equal(F,OrigF) of
true ->
put(Name, OrigF#func{ext={ext,Ext}}),
skip;
_ ->
setup_vector_variant(Name,Ext,Opts)
end
end.
setup_vector_variant(Name,Ext,Opts) ->
case reverse(Name) of
[$v|NoVec] -> %% Hmm might be a vector version
RealName = reverse(NoVec,Ext),
case get(RealName) of
undefined ->
setup_idx_binary(Name,Ext,Opts);
Real = #func{} ->
verify_args(Name,Ext,Real,RealName,Opts)
end;
_ ->
setup_idx_binary(Name,Ext,Opts)
end.
verify_args(Name,Ext,Real = #func{params=RAs},RealName,Opts) ->
FuncName = Name ++ Ext,
Vector = #func{params=Args} = get(FuncName),
case is_vector(Name,Opts) of
false ->
Check = fun(#arg{type=#type{name=Type}},Acc) ->
if Type =:= Acc -> Acc;
Acc =:= undefined -> Type;
true -> different
end
end,
case foldl(Check,undefined,RAs) of
different ->
setup_idx_binary(Name,Ext,Opts);
undefined ->
setup_idx_binary(Name,Ext,Opts);
_ when length(Args) =/= 1 ->
setup_idx_binary(Name,Ext,Opts);
_Type ->
put(FuncName,Vector#func{where=erl,alt={vector,0,RealName}}),
put(RealName,Real#func{alt={has_vector,0,FuncName}}),
Name++Ext
end;
VecPos ->
put(FuncName,Vector#func{where=erl,alt={vector,VecPos,RealName}}),
put(RealName,Real#func{alt={has_vector,VecPos,FuncName}}),
Name++Ext
end.
is_vector(Name, Opts) ->
Vecs = get_value(vector, Opts, []),
lookup(Name, Vecs, false).
lookup(Name,[{Vector, VecPos}|R],Def) when is_list(Vector) ->
case lists:prefix(Vector,Name) of
true ->
%% VecPos;
%%io:format("~s ~s => ~p ~n", [Vector,Name,VecPos]),
case Vector == Name of
true ->
VecPos;
false -> %% Look for exactly the correct Name
case lookup(Name,R,Def) of
Def -> VecPos;
Other -> Other
end
end;
false -> lookup(Name,R, Def)
end;
lookup(Name,[_|R],Def) ->
lookup(Name,R,Def);
lookup(_,[], Def) -> Def.
setup_idx_binary(Name,Ext,_Opts) ->
FuncName = Name ++ Ext,
Func = #func{params=Args} = get(FuncName),
Id = next_id(function),
%% Ok warn if single is undefined
lists:foreach(fun(#arg{type=#type{base=memory}}) -> ok;
(#arg{type=#type{base=string}}) -> ok;
(#arg{type=#type{base=idx_binary}}) -> ok;
(#arg{type=#type{name="GLUquadric"}}) -> ok;
(#arg{type=#type{base=binary, size=Sz}}) when Sz =/= undefined -> ok;
(A=#arg{type=#type{single=undefined}}) ->
?warning("~p Unknown size of~n ~p~n",
[get(current_func),A]),
io:format("{~p, {~p, }}.~n",
[get(current_func),A#arg.name]),
ok;
(_) -> ok
end, Args),
case setup_idx_binary(Args, []) of
ignore ->
put(FuncName, Func#func{id=Id}),
Name++Ext;
{bin, A1,A2} ->
put(FuncName, Func#func{id=Id,params=A1}),
Extra = FuncName++"Bin",
put(Extra, Func#func{params=A2, id=next_id(function)}),
[FuncName,Extra];
{matrix, A1,A2} ->
put(FuncName, Func#func{id=Id,params=A2}),
Extra = FuncName++"Matrix",
put(Extra, Func#func{where=erl, params=A1, id=Id}),
[FuncName,Extra]
end.
setup_idx_binary([A=#arg{in=true,type=T=#type{base=idx_binary}}|R], Acc) ->
A1 = A#arg{type=T#type{base=guard_int,size=4}},
A2 = A#arg{type=T#type{base=binary}},
Head = reverse(Acc),
case setup_idx_binary(R, []) of
ignore ->
{bin, Head ++ [A1|R], Head ++ [A2|R]};
{bin, R1,R2} ->
{bin, Head ++ [A1|R1], Head ++ [A2|R2]}
end;
setup_idx_binary([A=#arg{in=true,type=T=#type{single={tuple,matrix}}}|R], Acc) ->
A1 = A#arg{type=T#type{single={tuple, matrix12}}},
A2 = A#arg{type=T#type{single={tuple, 16}}},
Head = reverse(Acc),
case setup_idx_binary(R, []) of
ignore ->
{matrix, Head ++ [A1|R], Head ++ [A2|R]};
{matrix, R1,R2} ->
{matrix, Head ++ [A1|R1], Head ++ [A2|R2]}
end;
setup_idx_binary([H|R],Acc) ->
setup_idx_binary(R,[H|Acc]);
setup_idx_binary([],_) -> ignore.
is_equal(F1=#func{type=T1,params=A1},F2=#func{type=T2,params=A2}) ->
Equal = is_equal_type(T1,T2) andalso is_equal_args(A1,A2),
case Equal of
true -> ok;
false ->
%% io:format("A1: ~p~nA2: ~p~n",[A1,A2]),
?warning("Keeping Ext Not Equal ~p ~p~n",
[F1#func.name,F2#func.name])
end,
Equal.
is_equal_args([],[]) -> true;
is_equal_args([_A1=#arg{type=T1}|A1s],[_A2=#arg{type=T2}|A2s]) ->
case is_equal_type(T1,T2) of
true -> is_equal_args(A1s,A2s);
false ->
%%io:format("Diff~n ~p~n ~p ~n~n", [_A1,_A2]),
false
end.
is_equal_type(T,T) -> true;
is_equal_type(#type{name="GLcharARB"},#type{name="GLchar"}) -> true;
%%is_equal_type(#type{name="GLhandleARB"},#type{name="GLuint"}) -> true;
is_equal_type(#type{name="GLenum"},#type{name="GLuint"}) -> true;
is_equal_type(#type{name="GLenum"},#type{name="GLint"}) -> true;
is_equal_type(#type{base=idx_binary},#type{base=guard_int}) -> true;
is_equal_type(#type{base=idx_binary},#type{base=memory}) -> true;
is_equal_type(#type{single={tuple,matrix}},#type{single={tuple,matrix12}}) -> true;
is_equal_type(#type{base=B,single=S,name=N,size=Sz},
#type{base=B,single=S,name=N,size=Sz}) -> true;
is_equal_type(_,_) -> false.
skip(Name,Opts) ->
Skip = get_value(skip, Opts, []),
lists:any(fun(Prefix) -> lists:prefix(Prefix,Name) end, Skip).
keep(Name,Opts) ->
Skip = get_value(keep, Opts, []),
lists:any(fun(Prefix) -> lists:prefix(Prefix,Name) end, Skip).
get_extension(ExtName,_Opts) ->
case reverse(ExtName) of
"BRA" ++ Name -> {reverse(Name),"ARB"};
"TXE" ++ Name -> {reverse(Name),"EXT"};
"ASEM" ++ Name -> {reverse(Name),"MESA"};
"ITA" ++ Name -> {reverse(Name),"ATI"};
"DMA" ++ Name -> {reverse(Name),"AMD"};
"VN" ++ Name -> {reverse(Name),"NV"}; %Nvidia
"ELPPA"++ Name -> {reverse(Name),"APPLE"};
"LETNI"++ Name -> {reverse(Name),"INTEL"};
"NUS" ++ Name -> {reverse(Name),"SUN"};
"XNUS" ++ Name -> {reverse(Name),"SUNX"};
"IGS" ++ Name -> {reverse(Name),"SGI"};
"SIGS" ++ Name -> {reverse(Name),"SGIS"};
"XIGS" ++ Name -> {reverse(Name),"SGIX"};
"XFD3" ++ Name -> {reverse(Name),"3DFX"};
"MBI" ++ Name -> {reverse(Name),"IBM"};
"RGNI" ++ Name -> {reverse(Name),"INGR"};
"IGP" ++ Name -> {reverse(Name),"PGI"};
"PH" ++ Name -> {reverse(Name),"HP"};
"YDEMERG" ++ Name -> {reverse(Name),"GREMEDY"};
"SEO" ++ Name -> {reverse(Name),"OES"};
%%["" ++ Name] -> {Name; %%
_ -> {ExtName, ""}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
drop_empty(List) ->
filter(fun(#xmlText { value = Text}) ->
string:strip(Text) =/= "";
(_)->
true
end, List).
name(Name, _Opts) -> Name.
next_id(What) ->
Next = case get(What) of
undefined -> 5010; %% Opengl
N -> N+1
end,
put(What, Next),
Next.
