unit RuntimeBuilder;

interface

uses
  System.TypInfo,System.Rtti;

const
  CRTBCallTypeNil=ccStdCall;
  CRTBCallTypeRegister=ccReg;
  CRTBCallTypeStdCall=ccStdCall;
  CRTBCallTypeCdecl=ccCdecl;
  CRTBCallTypePascal=ccPascal;
  CRTBCallTypeSafeCall=ccSafeCall;
  CRTBCallType64Call=CRTBCallTypeNil;
  CRTBCallTypeScript=CRTBCallTypeNil;
  CRTBCallTypeDefault=CRTBCallTypeNil;

type
  TRTBCompiler=class;

  TRTBCallType=TCallConv;

  TRTBType=PTypeInfo;

  TRTBFunc=class abstract
    public
      function Call(OutType:PTypeInfo;args:TArray<TValue>;CallType:TRTBCallType=CRTBCallTypeDefault):TValue;virtual;abstract;
  end;

  TRTBVar=class abstract
    protected
      procedure SetVal(Val:TValue);virtual;abstract;
      function GetVal:TValue;virtual;abstract;
    public
      property Val:TValue read GetVal write SetVal;
  end;

  TRTBModule=class abstract
    protected
      function GetFuntion(Name:string):TRTBFunc;virtual;abstract;
      function GetVar(Name:string):TRTBVar;virtual;abstract;
    public
      property Funtion[Name:string]:TRTBFunc read GetFuntion;
      property &Var[Name:string]:TRTBVar read GetVar;
  end;

  TRTBSource=class abstract
    protected
      Compiler:TRTBCompiler;
      function GetText:string;virtual;abstract;
      procedure SetText(S:string);virtual;abstract;
    public
      constructor Create(Compiler:TRTBCompiler);

      procedure LoadLib(Name:string);virtual;abstract;
      procedure UnLoadLib(Name:string);virtual;abstract;

      procedure AddNameSpace(Name:string);virtual;abstract;
      procedure DelNameSpace(Name:string);virtual;abstract;

      procedure AddType(NameSpace:string;Name:string;&Type:TRTBType);virtual;abstract;
      procedure ExportType(NameSpace:string;Name:string;&Type:TRTBType);virtual;abstract;
      procedure DelType(NameSpace:string;Name:string);virtual;abstract;

      procedure AddConst(NameSpace:string;Name:string;Val:TValue);virtual;abstract;
      procedure ExportConst(NameSpace:string;Name:string;Val:TValue);virtual;abstract;
      procedure DelConst(NameSpace:string;Name:string);virtual;abstract;

      procedure AddVariable(NameSpace:string;Name:string;var Data);virtual;abstract;
      procedure ExportVariable(NameSpace:string;Name:string;var Data);virtual;abstract;
      procedure DelVariable(NameSpace:string;Name:string);virtual;abstract;

      procedure &Register(NameSpace:string;Name:string;&Type:TRTBType);virtual;abstract;
      procedure UnRegister(NameSpace:string;Name:string);virtual;abstract;
      procedure &RegisterFunction(NameSpace:string;Name:string);virtual;abstract;
      procedure UnRegisterFunction(NameSpace:string;Name:string);virtual;abstract;

      function Compilate:TRTBModule;virtual;abstract;
      procedure LoadFromFile(&File:string);virtual;
      procedure SaveToFile(&File:string);virtual;
      property Text:string read GetText write SetText;
  end;

  TRTBCompiler=class abstract
    public
      function GenNewSrc():TRTBSource;virtual;abstract;
  end;

implementation

uses
  System.SysUtils,System.Classes;

constructor TRTBSource.Create(Compiler:TRTBCompiler);
begin
Self.Compiler:=Compiler;
end;

procedure TRTBSource.LoadFromFile(&File:string);
var
  Data:TStrings;
begin
Data:=TStringList.Create;
Data.LoadFromFile(&File);
Text:=Data.Text;
FreeAndNil(Data);
end;

procedure TRTBSource.SaveToFile(&File:string);
var
  Data:TStrings;
begin
Data:=TStringList.Create;
Data.Text:=Text;
Data.SaveToFile(&File);
FreeAndNil(Data);
end;

end.