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151 lines
3.4 KiB
151 lines
3.4 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: obj16.hxx
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//
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// Contents: 16->32 object definition header
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//
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// History: 23-Mar-94 JohannP Created
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// 22-May-94 BobDay Split thkmgr.hxx into a mode
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// independent file
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//
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// WARNING: THIS HEADER FILE IS INCLUDED IN BOTH 16-bit CODE and 32-bit CODE
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// ANY DECLARATIONS SHOULD BE MODE NEUTRAL.
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//
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//----------------------------------------------------------------------------
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#ifndef __OBJ16_HXX__
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#define __OBJ16_HXX__
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//+---------------------------------------------------------------------------
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//
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// Structure: PROXYPTR (pprx)
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//
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// Purpose: A 16:16 or 32-bit pointer to a proxy
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//
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// History: 15-Jul-94 DrewB Created
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//
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//----------------------------------------------------------------------------
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#define PPRX_16 0
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#define PPRX_32 1
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struct PROXYPTR
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{
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PROXYPTR(void)
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{
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};
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PROXYPTR(DWORD dwVal, WORD wTy)
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{
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dwPtrVal = dwVal;
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wType = wTy;
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};
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DWORD dwPtrVal;
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WORD wType;
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};
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//+---------------------------------------------------------------------------
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//
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// Structure: PROXYHOLDER (ph)
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//
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// Purpose: Provides object identity for multiple proxies
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//
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// History: 07-Jul-94 DrewB Created
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//
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//----------------------------------------------------------------------------
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class CProxy;
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// Proxy holder flags
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#define PH_NONAGGREGATE 0x00000000
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#define PH_AGGREGATE 0x00000001
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#define PH_AGGREGATE_RELEASE 0x00000002
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typedef struct tagPROXYHOLDER
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{
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LONG cProxies;
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DWORD dwFlags;
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PROXYPTR pprxProxies;
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struct tagPROXYHOLDER FAR *pphNext;
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} PROXYHOLDER;
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//+---------------------------------------------------------------------------
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//
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// Class: CProxy (prx)
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//
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// Purpose: Common proxy data
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//
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// History: 07-Jul-94 DrewB Created
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//
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//----------------------------------------------------------------------------
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#if DBG == 1
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// Define some signatures for doing proxy memory validation
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#define PSIG1632 0x32333631 // '1632'
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#define PSIG1632DEAD 0x20203631 // '16 '
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#define PSIG1632TEMP 0x31333631 // '1631'
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#define PSIG3216 0x36313233 // '3216'
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#define PSIG3216DEAD 0x20203233 // '32 '
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#endif
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#define PROXYFLAG_NORMAL 0x0000
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#define PROXYFLAG_LOCKED 0x0001
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#define PROXYFLAG_TEMPORARY 0x0002
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#define PROXYFLAG_CLEANEDUP 0x0004
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#define PROXYFLAG_PUNKOUTER 0x0010
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#define PROXYFLAG_PUNK 0x0020
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#define PROXYFLAG_PUNKRELEASED 0x0040
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class CProxy
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{
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public:
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// Vtable pointer
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DWORD pfnVtbl;
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// References passed on to the real object
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LONG cRef;
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// Proxy ref count
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LONG cRefLocal;
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// Interface being proxied
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// Currently the iidx here is always an index
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IIDIDX iidx;
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// Object that this proxy is part of
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PROXYHOLDER FAR *pphHolder;
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// Sibling proxy pointer within an object
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PROXYPTR pprxObject;
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// Flags, combines with word in PROXYPTR for alignment
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WORD grfFlags;
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#if DBG == 1
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DWORD dwSignature;
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#endif
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};
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// 16->32 proxy
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class CProxy1632 : public CProxy
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{
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public:
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LPUNKNOWN punkThis32;
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};
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// 32->16 proxy
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class CProxy3216 : public CProxy
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{
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public:
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DWORD vpvThis16;
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};
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typedef CProxy1632 THUNK1632OBJ;
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typedef CProxy3216 THUNK3216OBJ;
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#endif // #ifndef __OBJ16_HXX__
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