pascalscript/Source/InvokeCall.inc

215 lines
9.6 KiB
PHP

function TPSExec.InnerfuseCall(_Self, Address: Pointer; CallingConv: TPSCallingConvention; Params: TPSList; res: PPSVariantIFC): Boolean;
var SysCalConv : TCallConv;
Args: TArray<TValue>;
Arg : TValue;
i : Integer;
fvar: PPSVariantIFC;
IsConstr : Boolean;
IsStatic : Boolean;
ctx: TRTTIContext;
RttiType : TRttiType;
ResValue : TValue;
begin
Result := False;
IsStatic := _Self = nil;
case CallingConv of
cdRegister : SysCalConv := ccReg;
cdPascal : SysCalConv := ccPascal;
cdCdecl : SysCalConv := ccCdecl;
cdStdCall : SysCalConv := ccStdCall;
cdSafeCall : SysCalConv := ccSafeCall;
else
SysCalConv := ccReg;//to prevent warning "W1036 Variable might not have been initialized"
end;
if not IsStatic then begin
{$IFDEF CPUX86}
if CallingConv <> cdPascal then
{$ENDIF CPUX86}
Args := Args + [TValue.From<Pointer>( _Self )];
end;
for I := 0 to Params.Count - 1 do
begin
if Params[i] = nil
then Exit;
fvar := Params[i];
if fvar.varparam then
begin { var param }
case fvar.aType.BaseType of
btArray, btVariant, btSet, btStaticArray, btRecord, btInterface, btClass, {$IFNDEF PS_NOWIDESTRING} btWideString, btWideChar, {$ENDIF}
btU8, btS8, btU16, btS16, btU32, btS32, btSingle, btDouble, btExtended, btString, btPChar, btChar, btCurrency,
btUnicodeString
{$IFNDEF PS_NOINT64}, bts64{$ENDIF}:
Arg := TValue.From<Pointer>( Pointer(fvar.dta) );
else
begin
Exit;
end;
end;
end
else
begin { not a var param }
case fvar.aType.BaseType of
{ add normal params here }
{$IFNDEF PS_NOWIDESTRING}
btWidestring,
btUnicodestring,
{$ENDIF}
btString: Arg := TValue.From<String>(pstring(fvar.dta)^);
btU8, btS8: Arg := TValue.From<Byte>(pbyte(fvar.dta)^);
btU16, BtS16: Arg := TValue.From<Word>(pword(fvar.dta)^);
btU32, btS32: Arg := TValue.From<Cardinal>(pCardinal(fvar.dta)^);
{$IFNDEF PS_NOINT64}bts64:{$ENDIF} Arg := TValue.From<Int64>(pint64(fvar.dta)^);
btSingle: Arg := TValue.From<Single>(PSingle(fvar.dta)^);
btDouble: Arg := TValue.From<Double>(PDouble(fvar.dta)^);
btExtended: Arg := TValue.From<Extended>(PExtended(fvar.dta)^);
btPChar: Arg := TValue.From<PChar>(ppchar(fvar.dta)^);
btChar: Arg := TValue.From<Char>(pchar(fvar.dta)^);
btClass: Arg := TValue.From<TObject>(TObject(fvar.dta^));
btRecord: Arg := TValue.From<Pointer>(fvar.dta);
btStaticArray: Arg := TValue.From<Pointer>(fvar.dta);
btVariant:
Arg := TValue.From(Variant(fvar.dta^));
btArray:
begin
if Copy(fvar.aType.ExportName, 1, 10) = '!OPENARRAY' then
begin //openarray
//in case of openarray we should provide TWO params: first is pointer to array,
Args := Args + [TValue.From<Pointer>(Pointer(fvar.Dta^))];
//2nd - integer with arraylength - 1 (high)
Arg := TValue.From<Integer>(PSDynArrayGetLength(Pointer(fvar.Dta^), fvar.aType)-1);// = High of OpenArray
end
else //dynarray = just push pointer
Arg := TValue.From<Pointer>(fvar.dta);
end;
btSet:
begin
case TPSTypeRec_Set(fvar.aType).aByteSize of
1: Arg := TValue.From<Byte>(pbyte(fvar.dta)^);
2: Arg := TValue.From<Word>(pWord(fvar.dta)^);
3,
4: Arg := TValue.From<Cardinal>(pCardinal(fvar.dta)^);
else
Arg := TValue.From<Pointer>(fvar.dta);
end;
end;
else
// writeln(stderr, 'Parameter type not implemented!');
Exit;
end; { case }
end;
Args := Args + [Arg];
end;
{$IFDEF CPUX86}
if not IsStatic then begin
if CallingConv = cdPascal then
Args := Args + [TValue.From<Pointer>( _Self )];
end;
{$ENDIF CPUX86}
IsConstr := (Integer(CallingConv) and 64) <> 0;
if not assigned(res) then
begin
Invoke(Address, Args, SysCalConv, nil); { ignore return }
end
else begin
case res.atype.basetype of
{ add result types here }
btString: tbtstring(res.dta^) := tbtstring(Invoke(Address,Args,SysCalConv,TypeInfo(String),IsStatic).AsString);
{$IFNDEF PS_NOWIDESTRING}
btUnicodeString: tbtunicodestring(res.dta^) := Invoke(Address,Args,SysCalConv,TypeInfo(String),IsStatic).AsString;
btWideString: tbtWideString(res.dta^) := Invoke(Address,Args,SysCalConv,TypeInfo(String),IsStatic).AsString;
{$ENDIF}
btU8, btS8: pbyte(res.dta)^ := Byte(Invoke(Address,Args,SysCalConv,TypeInfo(Byte),IsStatic).AsInteger);
btU16, btS16: pword(res.dta)^ := word(Invoke(Address,Args,SysCalConv,TypeInfo(Word),IsStatic).AsInteger);
btU32, btS32: pCardinal(res.dta)^ := Cardinal(Invoke(Address,Args,SysCalConv,TypeInfo(Cardinal),IsStatic).AsInteger);
{$IFNDEF PS_NOINT64}bts64:{$ENDIF} pInt64(res.dta)^ := Int64(Invoke(Address,Args,SysCalConv,TypeInfo(Int64),IsStatic).AsInt64);
btSingle: psingle(res.dta)^ := Double(Invoke(Address,Args,SysCalConv,TypeInfo(Single),IsStatic).AsExtended);
btDouble: pdouble(res.dta)^ := Double(Invoke(Address,Args,SysCalConv,TypeInfo(Double),IsStatic).AsExtended);
btExtended: pextended(res.dta)^ := Extended(Invoke(Address,Args,SysCalConv,TypeInfo(Extended),IsStatic).AsExtended);
{$IFDEF FPC}
btPChar: ppchar(res.dta)^ := pchar(Invoke(Address,Args,SysCalConv,TypeInfo(PChar),IsStatic).AsOrdinal);
btChar: pchar(res.dta)^ := Char(Invoke(Address,Args,SysCalConv,TypeInfo(Char),IsStatic).AsChar);
{$ELSE}
btPChar: ppchar(res.dta)^ := pchar(Invoke(Address,Args,SysCalConv,TypeInfo(PChar),IsStatic).AsType<PChar>());
btChar: pchar(res.dta)^ := Char(Invoke(Address,Args,SysCalConv,TypeInfo(Char),IsStatic).AsType<Char>());
{$ENDIF}
btSet:
begin
case TPSTypeRec_Set(res.aType).aByteSize of
1: byte(res.Dta^) := Byte(Invoke(Address,Args,SysCalConv,TypeInfo(Byte),IsStatic).AsInteger);
2: word(res.Dta^) := word(Invoke(Address,Args,SysCalConv,TypeInfo(Word),IsStatic).AsInteger);
3,
4: Longint(res.Dta^) := Cardinal(Invoke(Address,Args,SysCalConv,TypeInfo(Cardinal),IsStatic).AsInteger);
{$IFNDEF FPC}
else
begin
for RttiType in ctx.GetTypes do
if (RttiType.Name.ToUpper.EndsWith(String(res.aType.FExportName))) and (RttiType.TypeKind = tkSet)
and (RttiType.TypeSize = TPSTypeRec_Set(res.aType).aByteSize) then
begin
Invoke(Address,Args,SysCalConv,RttiType.Handle,IsStatic).ExtractRawData(res.dta);
Break;
end;
end;
{$ENDIF}
end;
end;
btClass:
begin
{$IFNDEF FPC}for RttiType in ctx.GetTypes do
if (RttiType.Name.ToUpper.EndsWith(String(res.aType.FExportName))) and (RttiType.TypeKind = tkClass) then{$ENDIF}
begin
TObject(res.dta^) := Invoke(Address,Args,SysCalConv,{$IFDEF FPC}TypeInfo(TObject){$ELSE}RttiType.Handle{$ENDIF},IsStatic, IsConstr).AsObject;
{$IFNDEF FPC}Break;{$ENDIF}
end;
end;
{$IFNDEF FPC}
btStaticArray:
begin
for RttiType in ctx.GetTypes do
if (RttiType.Name.ToUpper.EndsWith(String(res.aType.FExportName))) and (RttiType.TypeKind = tkArray) then
begin
CopyArrayContents(res.dta, Invoke(Address,Args,SysCalConv,RttiType.Handle,IsStatic).GetReferenceToRawData, TPSTypeRec_StaticArray(res.aType).Size, TPSTypeRec_StaticArray(res.aType).ArrayType);
Break;
end;
end;
btRecord:
begin
for RttiType in ctx.GetTypes do
if (RttiType.Name.ToUpper.EndsWith(String(res.aType.FExportName))) and (RttiType.TypeKind = tkRecord) then
begin
CopyArrayContents(res.dta, (Invoke(Address,Args,SysCalConv,RttiType.Handle,IsStatic).GetReferenceToRawData), 1, res.aType);
Break;
end;
end;
btArray: //need to check with open arrays
begin
for RttiType in ctx.GetTypes do
if (RttiType.Name.ToUpper.EndsWith(String(res.aType.FExportName))) and (RttiType.TypeKind = tkDynArray) then
begin
ResValue := Invoke(Address,Args,SysCalConv,RttiType.Handle,IsStatic);
if ResValue.GetArrayLength > 0 then
CopyArrayContents(res.dta, ResValue.GetReferenceToRawData, 1, res.aType)
else
res.dta := nil;
Break;
end;
end;
btVariant:
begin
PVariant(res.dta)^ := Invoke(Address, Args, SysCalConv, TypeInfo(Variant), IsStatic).AsVariant;
end;
{$ENDIF}
else
// writeln(stderr, 'Result type not implemented!');
Exit;
end; { case }
end; //assigned(res)
Result := True;
end;