{ 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. **********************************************************************} const varempty = 0; varnull = 1; varsmallint = 2; varinteger = 3; varsingle = 4; vardouble = 5; varcurrency = 6; vardate = 7; 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; varstrarg = $48; varstring = $100; varany = $101; vartypemask = $fff; vararray = $2000; varbyref = $4000; varword64 = varqword; type tvartype = word; pvararrayboundarray = ^tvararrayboundarray; pvararraycoorarray = ^tvararraycoorarray; pvararraybound = ^tvararraybound; pvararray = ^tvararray; tvararraybound = packed record elementcount,lowbound : longint; end; tvararrayboundarray = array[0..0] of tvararraybound; tvararraycoorarray = array[0..0] of SizeInt; tvararray = packed record dimcount,flags : word; elementsize : ptrint; lockcount : longint; data : pointer; bounds : tvararrayboundarray; end; tvarop = (opadd,opsubtract,opmultiply,opdivide,opintdivide,opmodulus, opshiftleft,opshiftright,opand,opor,opxor,opcompare,opnegate, opnot,opcmpeq,opcmpne,opcmplt,opcmple,opcmpgt,opcmpge,oppower); tvardata = packed record vtype : tvartype; case integer of 0:(res1 : word; case integer of 0: (res2,res3 : word; case word of varsmallint : (vsmallint : smallint); varinteger : (vinteger : longint); varsingle : (vsingle : single); vardouble : (vdouble : double); varcurrency : (vcurrency : currency); vardate : (vdate : tdatetime); varolestr : (volestr : pwidechar); vardispatch : (vdispatch : pointer); varerror : (verror : hresult); varboolean : (vboolean : wordbool); varunknown : (vunknown : pointer); // vardecimal : ( : ); varshortint : (vshortint : shortint); varbyte : (vbyte : byte); varword : (vword : word); varlongword : (vlongword : dword); varint64 : (vint64 : int64); varqword : (vqword : qword); varword64 : (vword64 : qword); varstring : (vstring : pointer); varany : (vany : pointer); vararray : (varray : pvararray); varbyref : (vpointer : pointer); {$ifdef FPC_HASFIXED64BITVARIANT} { unused so far, only to fill up space } varrecord : (vrecord : pointer;precinfo : pointer); {$endif FPC_HASFIXED64BITVARIANT} ); 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; 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; vartoreal : function(const v : variant) : extended; vartotdatetime : function(const v : variant) : tdatetime; 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); varfromreal : procedure(var dest : variant;const source : extended); varfromtdatetime : procedure(var dest : Variant;const source : TDateTime); 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 : longint;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;const source : tvardata; calldesc : pcalldesc;params : pointer);cdecl; vararrayredim : procedure(var a : variant;highbound : SizeInt); vararrayget : function(const a : variant;indexcount : SizeInt;indices : PSizeInt) : variant;cdecl; vararrayput: procedure(var a : variant; const value : variant; indexcount : SizeInt;indices : PSizeInt);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(var 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;{$endif} { Boolean } operator :=(const source : boolean) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : wordbool) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : longbool) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} { Chars } operator :=(const source : char) dest : variant;{$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;{$endif} { Floats } {$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 VER2_0} operator :=(const source : real) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} {$endif VER2_0} { Misc. } operator :=(const source : currency) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : tdatetime) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : terror) dest : variant;{$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;{$endif} { Boolean } operator :=(const source : variant) dest : boolean;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : variant) dest : wordbool;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : variant) dest : longbool;{$ifdef SYSTEMINLINE}inline;{$endif} { Chars } operator :=(const source : variant) dest : char;{$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;{$endif} { Floats } {$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 VER2_0} operator :=(const source : variant) dest : real;{$ifdef SYSTEMINLINE}inline;{$endif} {$endif VER2_0} { done by the compiler now } {$ifndef FPC_HASINTERNALOLEVARIANT2VARIANTCAST} operator :=(const source : olevariant) dest : variant;{$ifdef SYSTEMINLINE}inline;{$endif} {$endif FPC_HASINTERNALOLEVARIANT2VARIANTCAST} operator :=(const source : variant) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif} { Misc. } operator :=(const source : variant) dest : currency;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : variant) dest : tdatetime;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : variant) dest : terror;{$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;{$endif} { variant helpers } procedure VarArrayRedim(var A: Variant; HighBound: SizeInt); procedure VarCast(var dest : variant;const source : variant;vartype : longint); {********************************************************************** from OLEVariant assignments **********************************************************************} { Integer } operator :=(const source : olevariant) dest : byte;{$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;{$endif} { Chars } operator :=(const source : olevariant) dest : char;{$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;{$endif} { Floats } {$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 VER2_0} operator :=(const source : olevariant) dest : real;{$ifdef SYSTEMINLINE}inline;{$endif} {$endif VER2_0} { Misc. } operator :=(const source : olevariant) dest : currency;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : olevariant) dest : tdatetime;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : olevariant) dest : terror;{$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;{$endif} { Chars } operator :=(const source : char) dest : olevariant;{$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;{$endif} { Floats } {$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 VER2_0} operator :=(const source : real) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif} {$endif VER2_0} { Misc. } operator :=(const source : currency) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : tdatetime) dest : olevariant;{$ifdef SYSTEMINLINE}inline;{$endif} operator :=(const source : terror) dest : olevariant;{$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} *)