unit RuntimeBuilder.Lua;

interface

uses
  System.Classes,System.TypInfo,System.IOUtils,System.Rtti,Winapi.Windows,
    pLuaObject,pLuaRecord,pLuaTable,uWordList,Lua,LuaObject,LuaWrapper,pLua,RuntimeBuilder;

type
  TRTBLuaCompiler=class(TRTBCompiler)
    protected type
      TRTBLuaSource=class(TRTBSource)
    	protected type
          {TRTBLuaFunc=class(TRTBFunc)
            protected
              p:Pointer;
              sb:NativeUInt;
            public
              constructor Create(p:Pointer;sb:NativeUInt);
              function Call(OutType:PTypeInfo;args:TArray<TValue>;CallType:TRTBCallType=CRTBCallTypeDefault):TValue;override;
              destructor Destroy;override;
          end;
          TRTBLuaLib=class(TRTBLib)
            private type
              TRTBLuaLibFunc=class(TRTBLuaFunc)
                public
                  constructor Create(p:Pointer);
                  destructor Destroy;override;
              end;
            private
              filename:string;
              Lib:NativeUInt;
              function GetFuntion(Name:string):TRTBFunc;override;
            public
              constructor Create(Name:string);
              destructor Destroy;override;
          end;}
        protected
          FText:string;
      	  function GetText:string;override;
          procedure SetText(S:string);override;
        public
          constructor Create(Compiler:TRTBLuaCompiler);
          function CompilateAsFunc:TRTBFunc;override;
          //function CompilateAsLib:TRTBLib;override;
      end;
    protected
      Lua:Plua_state;
      //function GetIncLibs():string;
    public
      libs:TStringList;
      constructor Create();
      //function LoadLib(Name:string):TRTBLib;
      function GenNewSrc():TRTBSource;override;
  end;

implementation

uses System.SysUtils;

{constructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaFunc.Create(p:Pointer;sb:NativeUInt);
begin
Self.p:=VirtualAlloc(nil,sb,MEM_COMMIT ,PAGE_EXECUTE_READWRITE);
CopyMemory(Self.p,p,sb);
Self.sb:=sb;
FreeMem(p);
end;

function TRTBLuaCompiler.TRTBLuaSource.TRTBLuaFunc.Call(OutType:PTypeInfo;args:TArray<TValue>;CallType:TRTBCallType=CRTBCallTypeDefault):TValue;
begin
end;

destructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaFunc.Destroy;
begin
VirtualFree(p,sb,MEM_RELEASE);
p:=nil;
end;

constructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaLib.TRTBLuaLibFunc.Create(p:Pointer);
begin
Self.p:=p;
end;

destructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaLib.TRTBLuaLibFunc.Destroy;
begin
p:=nil;
end;

function TRTBLuaCompiler.TRTBLuaSource.TRTBLuaLib.GetFuntion(Name:string):TRTBFunc;
begin
Result:=TRTBLuaLibFunc.Create(GetProcAddress(Lib,pwidechar(Name)));
end;

constructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaLib.Create(Name:string);
begin
filename:=Name;
Lib:=LoadLibrary(pwidechar(Name));
end;

destructor TRTBLuaCompiler.TRTBLuaSource.TRTBLuaLib.Destroy;
begin
FreeLibrary(Lib);
end;}

function TRTBLuaCompiler.TRTBLuaSource.GetText:string;
begin
Result:=FText;
end;

procedure TRTBLuaCompiler.TRTBLuaSource.SetText(S:string);
begin
FText:=S;
end;

constructor TRTBLuaCompiler.TRTBLuaSource.Create(Compiler:TRTBLuaCompiler);
begin
inherited Create(Compiler);
FText:='';
end;

function TRTBLuaCompiler.TRTBLuaSource.CompilateAsFunc:TRTBFunc;
begin
//lua_(lua_tocfunction());
//(Compiler as TRTBLuaCompiler).Lua.RegisterFunction();
end;

(*function TRTBLuaCompiler.TRTBLuaSource.CompilateAsLib:TRTBLib;
var
  templib:string;
  Res:TLuaResult;
begin
templib:=TPath.GetTempFileName;
Res:=LuaAssembleToFile({$IFDEF CPUX64}'format PE64 DLL'{$ELSE}'format PE DLL'{$ENDIF}+
  (Compiler as TRTBLuaCompiler).GetIncLibs+sLineBreak+Text,templib,
  (Compiler as TRTBLuaCompiler).CompilerMem,(Compiler as TRTBLuaCompiler).MaxSteps);
if Res.Error<>Lua_OK then
  raise Exception.Create(Res.OutStr);
Result:=TRTBLuaLib.Create(templib);
end;*)

{function TRTBLuaCompiler.GetIncLibs():string;
var
  i:integer;
begin
Result:='';
for i:=0 to libs.count-1 do
  Result:=Result+sLineBreak+'include '+#39+libs.Strings[i]+#39;
end;}

constructor TRTBLuaCompiler.Create();
begin
Lua:=luaL_newstate;
libs:=TStringList.Create;
end;

{function TRTBLuaCompiler.LoadLib(Name:string):TRTBLib;
begin
libs.Add(Name);
end;}

function TRTBLuaCompiler.GenNewSrc():TRTBSource;
begin
Result:=TRTBLuaSource.Create(Self);
end;

end.