Курсовая ( Тест Томоса и узнавание фигур ) / fs_isysrtti

{******************************************}
{ }
{ FastScript v1.9 }
{ Standard functions }
{ }
{ (c) 2003-2007 by Alexander Tzyganenko, }
{ Fast Reports Inc }
{ }
{******************************************}

//VCL uses section
{$IFNDEF FMX}
unit fs_isysrtti;

interface

{$i fs.inc}

uses
SysUtils, Classes, fs_iinterpreter, fs_itools
{$IFDEF CLX}
, QDialogs, MaskUtils, Variants
{$ELSE}
{$IFNDEF NOFORMS}
, Dialogs
{$ENDIF}
{$IFDEF FPC}
{, Mask}, Variants
{$ELSE}
{$IFDEF Delphi6}
, MaskUtils, Variants, Windows
{$ELSE}
, Mask
{$ENDIF}
{$ENDIF}
{$ENDIF}
{$IFDEF OLE}
, ComObj
{$ENDIF};
{$ELSE}
interface

{$i fs.inc}

uses
System.SysUtils, System.Classes, FMX.fs_iinterpreter, FMX.fs_itools
{$IFNDEF NOFORMS}
, FMX.Dialogs
{$ENDIF}
, System.MaskUtils, System.Variants, FMX.Types
{$IFDEF OLE}
, System.Win.ComObj
{$ENDIF};
{$ENDIF}

type
TfsSysFunctions = class(TfsRTTIModule)
private
FCatConv: String;
FCatDate: String;
FCatFormat: String;
FCatMath: String;
FCatOther: String;
FCatStr: String;
function CallMethod1(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod2(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod3(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod4(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod5(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod6(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function CallMethod7(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
public
constructor Create(AScript: TfsScript); override;
end;


implementation

{$IFDEF FPC}
uses lazutf8;
{$ENDIF}


function FormatV(const Fmt: String; Args: Variant): String;
var
ar: TVarRecArray;
begin
Result := Format(Fmt, ar);
end;

function VArrayCreate(Args: Variant; Typ: Integer): Variant;
var
i, n: Integer;
ar: array of {$IFDEF FPC}SizeInt{$ELSE}Integer{$ENDIF};
begin
n := VarArrayHighBound(Args, 1) + 1;
SetLength(ar, n);
for i := 0 to n - 1 do
ar[i] := Args[i];

Result := VarArrayCreate(ar, Typ);
ar := nil;
end;

function NameCase(const s: String): String;
var
i: Integer;
begin
{$IFDEF FPC}
Result := UTF8LowerString(s);
for i := 1 to UTF8Length(s) do
if i = 1 then
UTF8Insert(UTF8UpperString(UTF8Copy(s,i,1)),Result,1)
else if i < UTF8Length(s) then
if UTF8Copy(s,i,1)[1] = ' ' then
UTF8Insert(UTF8UpperString(UTF8Copy(s,i+1,1)),Result,1)
{$ELSE}
Result := AnsiLowercase(s);
for i := 1 to Length(s) do
if i = 1 then
Result[i] := AnsiUpperCase(s[i])[1]
else if i < Length(s) then
if s[i] = ' ' then
Result[i + 1] := AnsiUpperCase(s[i + 1])[1];
{$ENDIF}
end;

function ValidInt(cInt: String): Boolean;
begin
Result := True;
try
StrToInt(cInt);
except
Result := False;
end;
end;

function ValidFloat(cFlt: String): Boolean;
begin
Result := True;
try
StrToFloat(cFlt);
except
Result := False;
end;
end;

function ValidDate(cDate: String) :Boolean;
begin
Result := True;
try
StrToDate(cDate);
except
Result := False;
end;
end;

function DaysInMonth(nYear, nMonth: Integer): Integer;
const
Days: array[1..12] of Integer = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
begin
Result := Days[nMonth];
if (nMonth = 2) and IsLeapYear(nYear) then Inc(Result);
end;


{ TfsSysFunctions }

constructor TfsSysFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
FCatStr := 'ctString';
FCatDate := 'ctDate';
FCatConv := 'ctConv';
FCatFormat := 'ctFormat';
FCatMath := 'ctMath';
FCatOther := 'ctOther';

with AScript do
begin
AddType('Byte', fvtInt);
AddType('Word', fvtInt);
AddType('Integer', fvtInt);
{$IFDEF DELPHI12}
AddType('Int64', fvtInt64);
{$ENDIF}
AddType('Longint', fvtInt);
AddType('Cardinal', fvtInt);
AddType('TColor', fvtInt);
AddType('TAlphaColor', fvtInt);
AddType('Boolean', fvtBool);
AddType('Real', fvtFloat);
AddType('Single', fvtFloat);
AddType('Double', fvtFloat);
AddType('Extended', fvtFloat);
AddType('Currency', fvtFloat);
AddType('TDate', fvtFloat);
AddType('TTime', fvtFloat);
AddType('TDateTime', fvtFloat);
AddType('Char', fvtChar);
AddType('String', fvtString);
AddType('Variant', fvtVariant);
AddType('Pointer', fvtVariant);
AddType('Array', fvtArray);
AddType('Constructor', fvtConstructor);

AddConst('True', 'Boolean', True);
AddConst('False', 'Boolean', False);
AddConst('nil', 'Variant', 0);
AddConst('Null', 'Variant', Null);

Add('__StringHelper', TfsStringHelper.Create);
Add('__ArrayHelper', TfsArrayHelper.Create('__ArrayHelper', -1, fvtVariant, ''));
AddVariable('ExceptionClassName', 'String', '');
AddVariable('ExceptionMessage', 'String', '');

AddMethod('function IntToStr(i: Integer): String', CallMethod1, FCatConv);
AddMethod('function FloatToStr(e: Extended): String', CallMethod1, FCatConv);
AddMethod('function DateToStr(e: Extended): String', CallMethod1, FCatConv);
AddMethod('function TimeToStr(e: Extended): String', CallMethod1, FCatConv);
AddMethod('function DateTimeToStr(e: Extended): String', CallMethod1, FCatConv);
{$IFDEF Delphi6}
AddMethod('function BoolToStr(B: Boolean): string;', CallMethod1, FCatConv);
{$ENDIF}
AddMethod('function VarToStr(v: Variant): String', CallMethod7, FCatConv);

AddMethod('function StrToInt(s: String): Integer', CallMethod2, FCatConv);
{$IFDEF Delphi6}
AddMethod('function StrToInt64(s: String): Int64', CallMethod2, FCatConv);
{$ENDIF}
AddMethod('function StrToFloat(s: String): Extended', CallMethod2, FCatConv);
AddMethod('function StrToDate(s: String): Extended', CallMethod2, FCatConv);
AddMethod('function StrToTime(s: String): Extended', CallMethod2, FCatConv);
AddMethod('function StrToDateTime(s: String): Extended', CallMethod2, FCatConv);
{$IFDEF Delphi6}
AddMethod('function StrToBool(const S: string): Boolean;', CallMethod2, FCatConv);
{$ENDIF}

AddMethod('function Format(Fmt: String; Args: array): String', CallMethod3, FCatFormat);
AddMethod('function FormatFloat(Fmt: String; Value: Extended): String', CallMethod3, FCatFormat);
AddMethod('function FormatDateTime(Fmt: String; DateTime: TDateTime): String', CallMethod3, FCatFormat);
AddMethod('function FormatMaskText(EditMask: string; Value: string): string', CallMethod3, FCatFormat);

AddMethod('function EncodeDate(Year, Month, Day: Word): TDateTime', CallMethod4, FCatDate);
AddMethod('procedure DecodeDate(Date: TDateTime; var Year, Month, Day: Word)', CallMethod4, FCatDate);
AddMethod('function EncodeTime(Hour, Min, Sec, MSec: Word): TDateTime', CallMethod4, FCatDate);
AddMethod('procedure DecodeTime(Time: TDateTime; var Hour, Min, Sec, MSec: Word)', CallMethod4, FCatDate);
AddMethod('function Date: TDateTime', CallMethod4, FCatDate);
AddMethod('function Time: TDateTime', CallMethod4, FCatDate);
AddMethod('function Now: TDateTime', CallMethod4, FCatDate);
AddMethod('function DayOfWeek(aDate: TDateTime): Integer', CallMethod4, FCatDate);
AddMethod('function IsLeapYear(Year: Word): Boolean', CallMethod4, FCatDate);
AddMethod('function DaysInMonth(nYear, nMonth: Integer): Integer', CallMethod4, FCatDate);

AddMethod('function Length(s: Variant): Integer', CallMethod5, FCatStr);
AddMethod('function Copy(s: String; from, count: Integer): String', CallMethod5, FCatStr);
AddMethod('function Pos(substr, s: String): Integer', CallMethod5, FCatStr);
AddMethod('procedure Delete(var s: String; from, count: Integer)', CallMethod5, FCatStr);
AddMethod('procedure DeleteStr(var s: String; from, count: Integer)', CallMethod5, FCatStr);
AddMethod('procedure Insert(s: String; var s2: String; pos: Integer)', CallMethod5, FCatStr);
AddMethod('function Uppercase(s: String): String', CallMethod5, FCatStr);
AddMethod('function Lowercase(s: String): String', CallMethod5, FCatStr);
AddMethod('function Trim(s: String): String', CallMethod5, FCatStr);
AddMethod('function NameCase(s: String): String', CallMethod5, FCatStr);
AddMethod('function CompareText(s, s1: String): Integer', CallMethod5, FCatStr);
AddMethod('function Chr(i: Integer): Char', CallMethod5, FCatStr);
AddMethod('function Ord(ch: Char): Integer', CallMethod5, FCatStr);
AddMethod('procedure SetLength(var S: Variant; L: Integer)', CallMethod5, FCatStr);

AddMethod('function Round(e: Extended): Integer', CallMethod6, FCatMath);
AddMethod('function Trunc(e: Extended): Integer', CallMethod6, FCatMath);
AddMethod('function Int(e: Extended): Integer', CallMethod6, FCatMath);
AddMethod('function Frac(X: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Sqrt(e: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Abs(e: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Sin(e: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Cos(e: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function ArcTan(X: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Tan(X: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Exp(X: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Ln(X: Extended): Extended', CallMethod6, FCatMath);
AddMethod('function Pi: Extended', CallMethod6, FCatMath);

AddMethod('procedure Inc(var i: Integer; incr: Integer = 1)', CallMethod7, FCatOther);
AddMethod('procedure Dec(var i: Integer; decr: Integer = 1)', CallMethod7, FCatOther);
AddMethod('procedure RaiseException(Param: String)', CallMethod7, FCatOther);
AddMethod('procedure ShowMessage(Msg: Variant)', CallMethod7, FCatOther);
AddMethod('procedure Randomize', CallMethod7, FCatOther);
AddMethod('function Random: Extended', CallMethod7, FCatOther);
AddMethod('function ValidInt(cInt: String): Boolean', CallMethod7, FCatOther);
AddMethod('function ValidFloat(cFlt: String): Boolean', CallMethod7, FCatOther);
AddMethod('function ValidDate(cDate: String): Boolean', CallMethod7, FCatOther);
AddMethod('function ExtractFilePath(const FileName: string): string;', CallMethod7, FCatOther);
{$IFDEF OLE}
AddMethod('function CreateOleObject(ClassName: String): Variant', CallMethod7, FCatOther);
{$ENDIF};
AddMethod('function VarArrayCreate(Bounds: Array; Typ: Integer): Variant', CallMethod7, FCatOther);
AddMethod('function VarType(V: Variant): Integer', CallMethod7, FCatOther);

AddConst('varEmpty', 'Integer', 0);
AddConst('varNull', 'Integer', 1);
AddConst('varSmallint', 'Integer', 2);
AddConst('varInteger', 'Integer', 3);
AddConst('varSingle', 'Integer', 4);
AddConst('varDouble', 'Integer', 5);
AddConst('varCurrency', 'Integer', 6);
AddConst('varDate', 'Integer', 7);
AddConst('varOleStr', 'Integer', 8);
AddConst('varDispatch', 'Integer', 9);
AddConst('varError', 'Integer', $000A);
AddConst('varBoolean', 'Integer', $000B);
AddConst('varVariant', 'Integer', $000C);
AddConst('varUnknown', 'Integer', $000D);
AddConst('varShortInt', 'Integer', $0010);
AddConst('varByte', 'Integer', $0011);
AddConst('varWord', 'Integer', $0012);
AddConst('varLongWord', 'Integer', $0013);
AddConst('varInt64', 'Integer', $0014);
AddConst('varStrArg', 'Integer', $0048);
AddConst('varString', 'Integer', $0100);
AddConst('varAny', 'Integer', $0101);
AddConst('varTypeMask', 'Integer', $0FFF);
AddConst('varArray', 'Integer', $2000);
AddConst('varByRef', 'Integer', $4000);
end;
end;

function TfsSysFunctions.CallMethod1(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
var
{$IFDEF Delphi6}
i: Int64;
{$ELSE}
i: Integer;
{$ENDIF}
begin
if MethodName = 'INTTOSTR' then
begin
i := Caller.Params[0];
Result := IntToStr(i)
end
else if MethodName = 'FLOATTOSTR' then
Result := FloatToStr(Caller.Params[0])
else if MethodName = 'DATETOSTR' then
Result := DateToStr(Caller.Params[0])
else if MethodName = 'TIMETOSTR' then
Result := TimeToStr(Caller.Params[0])
else if MethodName = 'DATETIMETOSTR' then
Result := DateTimeToStr(Caller.Params[0])
{$IFDEF Delphi6}
else if MethodName = 'BOOLTOSTR' then
Result := BoolToStr(Caller.Params[0])
{$ENDIF}
end;

function TfsSysFunctions.CallMethod2(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
if MethodName = 'STRTOINT' then
Result := StrToInt(Caller.Params[0])
{$IFDEF Delphi6}
else if MethodName = 'STRTOINT64' then
Result := StrToInt64(Caller.Params[0])
{$ENDIF}
else if MethodName = 'STRTOFLOAT' then
Result := StrToFloat(Caller.Params[0])
else if MethodName = 'STRTODATE' then
Result := StrToDate(Caller.Params[0])
else if MethodName = 'STRTOTIME' then
Result := StrToTime(Caller.Params[0])
else if MethodName = 'STRTODATETIME' then
Result := StrToDateTime(Caller.Params[0])
{$IFDEF Delphi6}
else if MethodName = 'STRTOBOOL' then
Result := BoolToStr(Caller.Params[0])
{$ENDIF}
end;

function TfsSysFunctions.CallMethod3(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
if MethodName = 'FORMAT' then
Result := FormatV(Caller.Params[0], Caller.Params[1])
else if MethodName = 'FORMATFLOAT' then
Result := FormatFloat(Caller.Params[0], Caller.Params[1] * 1.00000)
else if MethodName = 'FORMATDATETIME' then
Result := FormatDateTime(Caller.Params[0], Caller.Params[1])
{$IFNDEF FPC}
// fpc still have no maskedit
else if MethodName = 'FORMATMASKTEXT' then
Result := FormatMaskText(Caller.Params[0], Caller.Params[1])
{$ENDIF}
end;

function TfsSysFunctions.CallMethod4(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
var
w1, w2, w3, w4: Word;
begin
if MethodName = 'ENCODEDATE' then
Result := EncodeDate(Caller.Params[0], Caller.Params[1], Caller.Params[2])
else if MethodName = 'ENCODETIME' then
Result := EncodeTime(Caller.Params[0], Caller.Params[1], Caller.Params[2], Caller.Params[3])
else if MethodName = 'DECODEDATE' then
begin
DecodeDate(Caller.Params[0], w1, w2, w3);
Caller.Params[1] := w1;
Caller.Params[2] := w2;
Caller.Params[3] := w3;
end
else if MethodName = 'DECODETIME' then
begin
DecodeTime(Caller.Params[0], w1, w2, w3, w4);
Caller.Params[1] := w1;
Caller.Params[2] := w2;
Caller.Params[3] := w3;
Caller.Params[4] := w4;
end
else if MethodName = 'DATE' then
Result := Date
else if MethodName = 'TIME' then
Result := Time
else if MethodName = 'NOW' then
Result := Now
else if MethodName = 'DAYOFWEEK' then
Result := DayOfWeek(Caller.Params[0])
else if MethodName = 'ISLEAPYEAR' then
Result := IsLeapYear(Caller.Params[0])
else if MethodName = 'DAYSINMONTH' then
Result := DaysInMonth(Caller.Params[0], Caller.Params[1])
end;

function TfsSysFunctions.CallMethod5(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
var
s: String;
v: Variant;
begin
if MethodName = 'LENGTH' then
begin
v := Caller.Params[0];
if VarIsArray(v) then
Result := VarArrayHighBound(v, 1) - VarArrayLowBound(v, 1) + 1
else
{$IFDEF FPC}
Result := UTF8Length(v)
{$ELSE}
Result := Length(v)
{$ENDIF}
end
else if MethodName = 'COPY' then
{$IFDEF FPC}
Result := UTF8Copy(Caller.Params[0], frxInteger(Caller.Params[1]), frxInteger(Caller.Params[2]))
{$ELSE}
Result := Copy(Caller.Params[0], frxInteger(Caller.Params[1]), frxInteger(Caller.Params[2]))
{$ENDIF}
else if MethodName = 'POS' then
{$IFNDEF FPC}
Result := Pos(Caller.Params[0], Caller.Params[1])
{$ELSE}
Result := UTF8Pos(AnsiString(Caller.Params[0]), AnsiString(Caller.Params[1]))
{$ENDIF}
else if (MethodName = 'DELETE') or (MethodName = 'DELETESTR') then
begin
s := Caller.Params[0];
{$IFNDEF FPC}
Delete(s, frxInteger(Caller.Params[1]), frxInteger(Caller.Params[2]));
{$ELSE}
UTF8Delete(s, frxInteger(Caller.Params[1]), frxInteger(Caller.Params[2]));
{$ENDIF}
Caller.Params[0] := s;
end
else if MethodName = 'INSERT' then
begin
s := Caller.Params[1];
{$IFNDEF FPC}
Insert(Caller.Params[0], s, Integer(Caller.Params[2]));
{$ELSE}
UTF8Insert(AnsiString(Caller.Params[0]), s, Integer(Caller.Params[2]));
{$ENDIF}
Caller.Params[1] := s;
end
else if MethodName = 'UPPERCASE' then
Result := {$IFDEF FPC}UTF8UpperString(Caller.Params[0]){$ELSE}AnsiUppercase(Caller.Params[0]){$ENDIF}
else if MethodName = 'LOWERCASE' then
Result := {$IFDEF FPC}UTF8LowerString(Caller.Params[0]){$ELSE}AnsiLowercase(Caller.Params[0]){$ENDIF}
else if MethodName = 'TRIM' then
Result := {$IFDEF FPC}UTF8Trim(Caller.Params[0]){$ELSE}Trim(Caller.Params[0]){$ENDIF}
else if MethodName = 'NAMECASE' then
Result := NameCase(Caller.Params[0])
else if MethodName = 'COMPARETEXT' then
Result := {$IFDEF FPC}UTF8CompareText(Caller.Params[0], Caller.Params[1]){$ELSE}AnsiCompareText(Caller.Params[0], Caller.Params[1]){$ENDIF}
else if MethodName = 'CHR' then
Result := Chr(Integer(Caller.Params[0]))
else if MethodName = 'ORD' then
Result := Ord(String(Caller.Params[0])[1])
else if MethodName = 'SETLENGTH' then
begin
if (TVarData(Caller.Params[0]).VType = varString) or
{$IFDEF Delphi12}
(TVarData(Caller.Params[0]).VType = varUString) or
{$ENDIF}
(TVarData(Caller.Params[0]).VType = varOleStr) then
begin
s := Caller.Params[0];
SetLength(s, Integer(Caller.Params[1]));
Caller.Params[0] := s;
end
else
begin
v := Caller.Params[0];
VarArrayRedim(v, Integer(Caller.Params[1]) - 1);
Caller.Params[0] := v;
end;
end
end;

function TfsSysFunctions.CallMethod6(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
if MethodName = 'ROUND' then
{$IFNDEF FPC}
Result := frxInteger(Round(Caller.Params[0] * 1.00000))
{$ELSE}
Result := frxInteger(Round(Extended(Caller.Params[0]) * 1.00000))
{$ENDIF}
else if MethodName = 'TRUNC' then
{$IFNDEF FPC}
Result := frxInteger(Trunc(Caller.Params[0] * 1.00000))
{$ELSE}
Result := frxInteger(Trunc(Extended(Caller.Params[0]) * 1.00000))
{$ENDIF}
else if MethodName = 'INT' then
Result := Int(Caller.Params[0] * 1.00000)
else if MethodName = 'FRAC' then
Result := Frac(Caller.Params[0] * 1.00000)
else if MethodName = 'SQRT' then
Result := Sqrt(Caller.Params[0] * 1.00000)
else if MethodName = 'ABS' then
Result := Abs(Caller.Params[0] * 1.00000)
else if MethodName = 'SIN' then
Result := Sin(Caller.Params[0] * 1.00000)
else if MethodName = 'COS' then
Result := Cos(Caller.Params[0] * 1.00000)
else if MethodName = 'ARCTAN' then
Result := ArcTan(Caller.Params[0] * 1.00000)
else if MethodName = 'TAN' then
Result := Sin(Caller.Params[0] * 1.00000) / Cos(Caller.Params[0] * 1.00000)
else if MethodName = 'EXP' then
Result := Exp(Caller.Params[0] * 1.00000)
else if MethodName = 'LN' then
Result := Ln(Caller.Params[0] * 1.00000)
else if MethodName = 'PI' then
Result := Pi
end;

function TfsSysFunctions.CallMethod7(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
if MethodName = 'INC' then
begin
Caller.Params[0] := Caller.Params[0] + Caller.Params[1];
end
else if MethodName = 'DEC' then
begin
Caller.Params[0] := Caller.Params[0] - Caller.Params[1];
end
else if MethodName = 'RAISEEXCEPTION' then
raise Exception.Create(Caller.Params[0])
{$IFNDEF NOFORMS}
else if MethodName = 'SHOWMESSAGE' then
ShowMessage(Caller.Params[0])
{$ENDIF}
else if MethodName = 'RANDOMIZE' then
Randomize
else if MethodName = 'RANDOM' then
Result := Random
else if MethodName = 'VALIDINT' then
Result := ValidInt(Caller.Params[0])
else if MethodName = 'VALIDFLOAT' then
Result := ValidFloat(Caller.Params[0])
else if MethodName = 'VALIDDATE' then
begin
if VarType(Caller.Params[0]) = varDate then
Result := ValidDate(DateToStr(Caller.Params[0]))
else Result := ValidDate(Caller.Params[0]);
end
{$IFDEF OLE}
else if MethodName = 'CREATEOLEOBJECT' then
Result := CreateOleObject(Caller.Params[0])
{$ENDIF}
else if MethodName = 'VARARRAYCREATE' then
Result := VArrayCreate(Caller.Params[0], Caller.Params[1])
else if MethodName = 'VARTOSTR' then
Result := VarToStr(Caller.Params[0])
else if MethodName = 'VARTYPE' then
Result := VarType(Caller.Params[0])
else if MethodName = 'EXTRACTFILEPATH' then
Result := ExtractFilePath(Caller.Params[0])
end;


end.