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2dd0b55d04
fpc/rtl/inc/varianth.inc
florian 886f91dee3 + tvardata.vuint32, resolvers #40729
2024-04-05 20:29:13 +02:00

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{
This file is part of the Free Pascal run time library.
Copyright (c) 2001 by the Free Pascal development team
This include file contains the declarations for variants
support in FPC
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{ Variant types. Changes to these consts must be synchronized with
similar list in compiler code, in implementation part of symdef.pas }
const
varEmpty = 0;
varNull = 1;
varSmallInt = 2;
varInteger = 3;
{$ifndef FPUNONE}
varSingle = 4;
varDouble = 5;
varDate = 7;
{$endif}
varCurrency = 6;
varOleStr = 8;
varDispatch = 9;
varError = 10;
varBoolean = 11;
varVariant = 12;
varUnknown = 13;
varDecimal = 14;
varShortInt = 16;
varByte = 17;
varWord = 18;
varLongWord = 19;
varInt64 = 20;
varQWord = 21;
varRecord = 36;
{ The following values never appear as TVarData.VType, but are used in
TCallDesc.Args[] as aliases for compiler-specific types.
(since it provides only 1 byte per element, actual values won't fit)
The choice of values is pretty much arbitrary. }
varStrArg = $48; { maps to varstring }
varUStrArg = $49; { maps to varustring }
{ Compiler-specific variant types (not known to COM) are kept in
'pseudo-custom' range of $100-$10E. Real custom types start with $10F. }
varString = $100;
varAny = $101;
varUString = $102;
varTypeMask = $fff;
varArray = $2000;
varByRef = $4000;
varUInt32 = varLongWord; // Delphi compatibility
varWord64 = varQWord;
varUInt64 = varQWord; // Delphi alias
type
tvartype = word;
pvararrayboundarray = ^tvararrayboundarray;
pvararraycoorarray = ^tvararraycoorarray;
pvararraybound = ^tvararraybound;
pvararray = ^tvararray;
tvararraybound = record
elementcount,lowbound : longint;
end;
tvararrayboundarray = array[0..0] of tvararraybound;
tvararraycoorarray = array[0..0] of Longint;
tvararray = record
dimcount,flags : word;
elementsize : longint;
lockcount : longint;
data : pointer;
bounds : tvararrayboundarray;
end;
tvarop = (opadd,opsubtract,opmultiply,opdivide,opintdivide,opmodulus,
opshiftleft,opshiftright,opand,opor,opxor,opcompare,opnegate,
opnot,opcmpeq,opcmpne,opcmplt,opcmple,opcmpgt,opcmpge,oppower);
tvardata = packed record
vtype : tvartype;
case integer of
0:(res1 : word;
case integer of
0:
(res2,res3 : word;
case word of
varsmallint : (vsmallint : smallint);
varinteger : (vinteger : longint);
{$ifndef FPUNONE}
varsingle : (vsingle : single);
vardouble : (vdouble : double);
vardate : (vdate : tdatetime);
{$endif}
varcurrency : (vcurrency : currency);
varolestr : (volestr : pwidechar);
vardispatch : (vdispatch : pointer);
varerror : (verror : hresult);
varboolean : (vboolean : wordbool);
varunknown : (vunknown : pointer);
varustring : (vustring : pointer);
// vardecimal : ( : );
varshortint : (vshortint : shortint);
varbyte : (vbyte : byte);
varword : (vword : word);
varlongword : (vlongword : dword);
varuint32 : (vuint32 : dword);
varint64 : (vint64 : int64);
varqword : (vqword : qword);
varword64 : (vword64 : qword);
varstring : (vstring : pointer);
varany : (vany : pointer);
vararray : (varray : pvararray);
varbyref : (vpointer : pointer);
{ unused so far, only to fill up space }
varrecord : (vrecord : pointer;precinfo : pointer);
);
1:
(vlongs : array[0..2] of longint);
);
1:(vwords : array[0..6] of word);
2:(vbytes : array[0..13] of byte);
end;
pvardata = ^tvardata;
pcalldesc = ^tcalldesc;
tcalldesc = packed record
calltype,argcount,namedargcount : byte;
argtypes : array[0..255] of byte;
end;
pdispdesc = ^tdispdesc;
tdispdesc = packed record
dispid : longint;
{ not used by fpc }
restype : byte;
calldesc : tcalldesc;
end;
tvariantmanager = record
vartoint : function(const v : variant) : longint;
vartoint64 : function(const v : variant) : int64;
vartoword64 : function(const v : variant) : qword;
vartobool : function(const v : variant) : boolean;
{$ifndef FPUNONE}
vartoreal : function(const v : variant) : extended;
vartotdatetime : function(const v : variant) : tdatetime;
{$endif}
vartocurr : function(const v : variant) : currency;
vartopstr : procedure(var s ;const v : variant);
vartolstr : procedure(var s : ansistring;const v : variant);
vartowstr : procedure(var s : widestring;const v : variant);
vartointf : procedure(var intf : iinterface;const v : variant);
vartodisp : procedure(var disp : idispatch;const v : variant);
vartodynarray : procedure(var dynarr : pointer;const v : variant;
typeinfo : pointer);
varfrombool : procedure(var dest : variant;const source : Boolean);
varfromint : procedure(var dest : variant;const source,Range : longint);
varfromint64 : procedure(var dest : variant;const source : int64);
varfromword64 : procedure(var dest : variant;const source : qword);
{$ifndef FPUNONE}
varfromreal : procedure(var dest : variant;const source : extended);
varfromtdatetime : procedure(var dest : Variant;const source : TDateTime);
{$endif}
varfromcurr : procedure(var dest : Variant;const source : Currency);
varfrompstr: procedure(var dest : variant; const source : ShortString);
varfromlstr: procedure(var dest : variant; const source : ansistring);
varfromwstr: procedure(var dest : variant; const source : WideString);
varfromintf: procedure(var dest : variant;const source : iinterface);
varfromdisp: procedure(var dest : variant;const source : idispatch);
varfromdynarray: procedure(var dest : variant;const source : pointer; typeinfo: pointer);
olevarfrompstr: procedure(var dest : olevariant; const source : shortstring);
olevarfromlstr: procedure(var dest : olevariant; const source : ansistring);
olevarfromvar: procedure(var dest : olevariant; const source : variant);
olevarfromint: procedure(var dest : olevariant; const source : int64;const range : shortint);
{ operators }
varop : procedure(var left : variant;const right : variant;opcode : tvarop);
cmpop : function(const left,right : variant;const opcode : tvarop) : boolean;
varneg : procedure(var v : variant);
varnot : procedure(var v : variant);
{ misc }
varinit : procedure(var v : variant);
varclear : procedure(var v : variant);
varaddref : procedure(var v : variant);
varcopy : procedure(var dest : variant;const source : variant);
varcast : procedure(var dest : variant;const source : variant;vartype : longint);
varcastole : procedure(var dest : variant; const source : variant;vartype : longint);
dispinvoke: procedure(dest : pvardata;var source : tvardata;
calldesc : pcalldesc;params : pointer);cdecl;
vararrayredim : procedure(var a : variant;highbound : SizeInt);
vararrayget : function(const a : variant;indexcount : SizeInt;indices : plongint) : variant;cdecl;
vararrayput: procedure(var a : variant; const value : variant;
indexcount : SizeInt;indices : plongint);cdecl;
writevariant : function(var t : text;const v : variant;width : longint) : Pointer;
write0Variant : function(var t : text;const v : Variant) : Pointer;
end;
pvariantmanager = ^tvariantmanager;
procedure GetVariantManager(Out VarMgr: TVariantManager);
procedure SetVariantManager(const VarMgr: TVariantManager);
{ Global constants. Needed here only for compatibility. }
function Unassigned: Variant; // Unassigned standard constant
function Null: Variant; // Null standard constant
const
VarClearProc : procedure(var v : TVarData) = nil;
VarAddRefProc : procedure(var v : TVarData) = nil;
VarCopyProc : procedure(var d : TVarData;const s : TVarData) = nil;
VarToLStrProc : procedure(var d : AnsiString;const s : TVarData) = nil;
VarToWStrProc : procedure(var d : WideString;const s : TVarData) = nil;
{**********************************************************************
to Variant assignments
**********************************************************************}
{ Integer }
operator :=(const source : byte) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : shortint) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : word) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : smallint) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : dword) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : longint) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : qword) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : int64) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : NativeInt) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : NativeUInt) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Boolean }
operator :=(const source : boolean) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : wordbool) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : longbool) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Chars }
operator :=(const source : AnsiChar) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : widechar) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Strings }
operator :=(const source : shortstring) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : ansistring) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : widestring) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : UTF8String) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : UCS4String) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
operator :=(const source : UnicodeString) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
{ Floats }
{$ifdef SUPPORT_SINGLE}
operator :=(const source : single) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_SINGLE}
{$ifdef SUPPORT_DOUBLE}
operator :=(const source : double) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_DOUBLE}
{$ifdef SUPPORT_EXTENDED}
operator :=(const source : extended) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_EXTENDED}
{$ifdef SUPPORT_COMP}
operator :=(const source : comp) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_COMP}
{$ifndef FPUNONE}
operator :=(const source : real) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
{ Misc. }
operator :=(const source : currency) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPUNONE}
operator :=(const source : tdatetime) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
operator :=(const source : terror) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
{**********************************************************************
from Variant assignments
**********************************************************************}
{ Integer }
operator :=(const source : variant) dest : byte;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : shortint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : word;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : smallint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : dword;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : longint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : qword;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : int64;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : NativeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : NativeUInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Boolean }
operator :=(const source : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : wordbool;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : longbool;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Chars }
operator :=(const source : variant) dest : AnsiChar;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : widechar;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Strings }
operator :=(const source : variant) dest : shortstring;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : ansistring;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : widestring;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : variant) dest : UTF8String;{$ifdef SYSTEMINLINE}inline;{$endif}
// operator :=(const source : variant) dest : UCS4String;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
operator :=(const source : variant) dest : unicodestring;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
{ Floats }
{$ifdef SUPPORT_SINGLE}
operator :=(const source : variant) dest : single;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_SINGLE}
{$ifdef SUPPORT_DOUBLE}
operator :=(const source : variant) dest : double;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_DOUBLE}
{$ifdef SUPPORT_EXTENDED}
operator :=(const source : variant) dest : extended;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_EXTENDED}
{$ifdef SUPPORT_COMP}
operator :=(const source : variant) dest : comp;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_COMP}
{$ifndef FPUNONE}
operator :=(const source : variant) dest : real;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
operator :=(const source : variant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Misc. }
operator :=(const source : variant) dest : currency;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPUNONE}
operator :=(const source : variant) dest : tdatetime;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
operator :=(const source : variant) dest : terror;{$ifdef SYSTEMINLINE}inline;{$endif}
{**********************************************************************
Operators
**********************************************************************}
operator or(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator and(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator xor(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator not(const op : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator shl(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator shr(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator +(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator -(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator *(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator /(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator **(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator div(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator mod(const op1,op2 : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator -(const op : variant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator =(const op1,op2 : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator <(const op1,op2 : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator >(const op1,op2 : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator >=(const op1,op2 : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator <=(const op1,op2 : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
{ variant helpers }
procedure VarArrayRedim(var A: Variant; HighBound: SizeInt);
procedure VarArrayPut(var A: Variant; const Value: Variant; const Indices: array of Longint);
function VarArrayGet(const A: Variant; const Indices: array of Longint): Variant;
procedure VarCast(var dest : variant;const source : variant;vartype : longint);
{**********************************************************************
from OLEVariant assignments
**********************************************************************}
{ Integer }
operator :=(const source : olevariant) dest : byte;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : shortint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : word;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : smallint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : dword;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : longint;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : qword;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : int64;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Boolean }
operator :=(const source : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : wordbool;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : longbool;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Chars }
operator :=(const source : olevariant) dest : AnsiChar;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : widechar;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Strings }
operator :=(const source : olevariant) dest : shortstring;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : ansistring;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : olevariant) dest : widestring;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
operator :=(const source : olevariant) dest : UnicodeString;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
{ Floats }
{$ifdef SUPPORT_SINGLE}
operator :=(const source : olevariant) dest : single;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_SINGLE}
{$ifdef SUPPORT_DOUBLE}
operator :=(const source : olevariant) dest : double;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_DOUBLE}
{$ifdef SUPPORT_EXTENDED}
operator :=(const source : olevariant) dest : extended;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_EXTENDED}
{$ifdef SUPPORT_COMP}
operator :=(const source : olevariant) dest : comp;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_COMP}
{$ifndef FPUNONE}
operator :=(const source : olevariant) dest : real;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
{ Misc. }
operator :=(const source : olevariant) dest : currency;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPUNONE}
operator :=(const source : olevariant) dest : tdatetime;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
operator :=(const source : olevariant) dest : terror;{$ifdef SYSTEMINLINE}inline;{$endif}
{**********************************************************************
to OLEVariant assignments
**********************************************************************}
{ Integer }
operator :=(const source : byte) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : shortint) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : word) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : smallint) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : dword) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : longint) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : qword) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : int64) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Boolean }
operator :=(const source : boolean) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : wordbool) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : longbool) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Chars }
operator :=(const source : AnsiChar) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : widechar) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ Strings }
operator :=(const source : shortstring) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : ansistring) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator :=(const source : widestring) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
operator :=(const source : UnicodeString) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
{ Floats }
{$ifdef SUPPORT_SINGLE}
operator :=(const source : single) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_SINGLE}
{$ifdef SUPPORT_DOUBLE}
operator :=(const source : double) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_DOUBLE}
{$ifdef SUPPORT_EXTENDED}
operator :=(const source : extended) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_EXTENDED}
{$ifdef SUPPORT_COMP}
operator :=(const source : comp) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif SUPPORT_COMP}
{$ifndef FPUNONE}
operator :=(const source : real) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
{ Misc. }
operator :=(const source : currency) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPUNONE}
operator :=(const source : tdatetime) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif}
operator :=(const source : terror) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
{ silly, but how else should the compiler know what to do with pos(<string type>,<variant>)? (FK) }
Function Pos (c : AnsiChar; Const v : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (s : ShortString; Const v : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (const a : AnsiString; Const v : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (const w : WideString; Const v : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
Function Pos (const w : UnicodeString; Const v : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
Function Pos (const v : Variant; Const c : AnsiChar) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (const v : Variant; Const s : ShortString) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (const v : Variant; Const a : AnsiString) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
Function Pos (const v : Variant; Const w : WideString) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
Function Pos (const v : Variant; Const w : UnicodeString) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
Function Pos (const v1 : Variant; Const v2 : Variant) : SizeInt;{$ifdef SYSTEMINLINE}inline;{$endif}
{**********************************************************************
OLEVariant Operators
**********************************************************************}
(*
operator or(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator and(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator xor(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator not(const op : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator shl(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator shr(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator +(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator -(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator *(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator /(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator **(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator div(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator mod(const op1,op2 : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator -(const op : olevariant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif}
operator =(const op1,op2 : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator <(const op1,op2 : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator >(const op1,op2 : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator >=(const op1,op2 : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
operator <=(const op1,op2 : olevariant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif}
*)
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