317 lines
8.6 KiB
C++
317 lines
8.6 KiB
C++
//+----------------------------------------------------------------------------
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//
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// File:
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// debug.h
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//
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// Contents:
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// macros and declarations for debug support--all are appropriately
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// defined to nothing when not doing debug build
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//
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// Classes:
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//
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// Functions:
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//
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// History:
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// 12/30/93 - ChrisWe - added file prologue; defined _DEBUG when
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// DBG==1; added "const" to ASSERTDATA macro
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//
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//-----------------------------------------------------------------------------
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#ifndef _DEBUG_H_
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#define _DEBUG_H_
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#include <debnot.h>
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#ifndef RC_INVOKED
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#ifdef _DEBUG
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#define DBGSTATE " Debug is on"
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#else
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#define DBGSTATE " Debug is off"
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#endif
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#endif /* RC_INVOKED */
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#ifndef _CAIRO_
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#include <ole2dbg.h>
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#endif
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//these are bogus APIs (they do nothing)
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STDAPI_(BOOL) ValidateAllObjects( BOOL fSuspicious );
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STDAPI_(void) DumpAllObjects( void );
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#ifdef _DEBUG
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BOOL InstallHooks(void);
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BOOL UnInstallHooks(void);
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#undef ASSERTDATA
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#define ASSERTDATA
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#undef AssertSz
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#define AssertSz(a,b) ((a) ? NOERROR : FnAssert(#a, b, __FILE__, __LINE__))
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#undef Puts
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#define Puts(s) OutputDebugString(TEXT(s))
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#else // !_DEBUG
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#define ASSERTDATA
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#define AssertSz(a, b) ((void)0)
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#define Puts(s) ((void)0)
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#endif // _DEBUG
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// special Assert for asserts below (since the expression is so large)
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// REVIEW, shouldn't these be in the debug.h file?
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#ifdef _DEBUG
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#define AssertOut(a, b) { if (!(a)) FnAssert(szCheckOutParam, b, __FILE__, __LINE__); }
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#else
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#define AssertOut(a, b) ((void)0)
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#endif
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#define AssertOutPtrParam(hr, p) \
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AssertOut(SUCCEEDED(hr) && IsValidPtrIn(p, sizeof(OLECHAR)) || \
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FAILED(hr) && (p) == NULL, \
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szBadOutParam)
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#define AssertOutPtrIface(hr, p) \
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AssertOut(SUCCEEDED(hr) && IsValidInterface(p) || \
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FAILED(hr) && (p) == NULL, \
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szBadOutIface)
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#define AssertOutPtrFailed(p) \
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AssertOut((p) == NULL, \
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szNonNULLOutPtr)
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#define AssertOutStgmedium(hr, pstgm) \
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AssertOut(SUCCEEDED(hr) && (pstgm)->tymed != TYMED_NULL || \
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FAILED(hr) && (pstgm)->tymed == TYMED_NULL, \
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szBadOutStgm)
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// assert data for above assert out macros; once per dll
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// Note that since these are only used in asserts, we leave them as ANSI
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#define ASSERTOUTDATA \
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char szCheckOutParam[] = "check out param"; \
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char szBadOutParam[] = "Out pointer param conventions not followed"; \
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char szBadOutIface[] = "Out pointer interface conventions not followed"; \
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char szNonNULLOutPtr[] = "Out pointer not NULL on error"; \
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char szBadOutStgm[] = "Out stgmed param conventions not followed";
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extern char szCheckOutParam[];
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extern char szBadOutParam[];
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extern char szBadOutIface[];
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extern char szNonNULLOutPtr[];
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extern char szBadOutStgm[];
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#ifdef __cplusplus
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interface IDebugStream;
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/*
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* Class CBool wraps boolean values in such a way that they are
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* readily distinguishable fron integers by the compiler so we can
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* overload the stream << operator.
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*/
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class FAR CBool
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{
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BOOL value;
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public:
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CBool (BOOL& b) {value = b;}
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operator BOOL( void ) { return value; }
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};
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/*
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* Class CHwnd wraps HWND values in such a way that they are
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* readily distinguishable from UINTS by the compiler so we can
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* overload the stream << operator
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*/
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class FAR CHwnd
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{
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HWND m_hwnd;
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public:
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CHwnd (HWND hwnd) {m_hwnd = hwnd; }
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operator HWND( void ) {return m_hwnd;}
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};
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/*
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* Class CAtom wraps ATOM values in such a way that they are
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* readily distinguishable from UINTS by the compiler so we can
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* overload the stream << operator
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*/
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class FAR CAtom
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{
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ATOM m_atom;
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public:
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CAtom (ATOM atom) {m_atom = atom; }
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operator ATOM( void ) {return m_atom; }
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};
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/*
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* IDebugStream is a stream to be used for debug output. One
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* implementation uses the OutputDebugString function of Windows.
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*
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* The style is modeled on that of AT&T streams, and so uses
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* overloaded operators. You can write to a stream in the
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* following ways:
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*
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* *pdbstm << pUnk; // calls the IDebug::Dump function to
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* display the object, if IDebug is supported.
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* int n;
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* *pdbstm << n; // writes n in decimal
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*
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-
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* *pdbstm << sz; // writes a string
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*
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* CBool b(TRUE);
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* *pdbstm << b; // writes True or False
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*
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* void FAR * pv;
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* *pdbstm << pv; // writes the address pv in hex
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*
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* TCHAR ch;
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* *pdbstm << ch; // writes the character
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*
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* ATOM atom;
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* *pdbstm << CAtom(atom); // writes the string extracted from the atom
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*
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* HWND hwnd;
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* *pdbstm << CHwnd(hwnd); // writes the info about a window handle
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*
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* These can be chained together, as such (somewhat artificial
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* example):
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*
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* REFCLSID rclsid;
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* pUnk->GetClass(&rclsid);
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* *pdbstm << rclsid << " at " << (void FAR *)pUnk <<':' << pUnk;
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*
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* This produces something like:
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*
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* CFoo at A7360008: <description of object>
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*
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* The other useful feature is the Indent and UnIndent functions
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* which allow an object to print some information, indent, print
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* the info on its member objects, and unindent. This gives
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* nicely formatted output.
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*
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* WARNING: do not (while implementing Dump) write
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*
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* *pdbstm << pUnkOuter
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*
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* since this will do a QueryInterface for IDebug, and start
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* recursing! It is acceptable to write
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*
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* *pdbstm << (VOID FAR *)pUnkOuter
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*
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* as this will simply write the address of pUnkOuter.
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*
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*/
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interface IDebugStream : public IUnknown
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{
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STDMETHOD_(IDebugStream&, operator << ) ( IUnknown FAR * pDebug ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( REFCLSID rclsid ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( int n ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( long l ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( ULONG l ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( LPCTSTR sz ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( TCHAR ch ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( void FAR * pv ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( CBool b ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( CHwnd hwnd ) = 0;
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STDMETHOD_(IDebugStream&, operator << ) ( CAtom atom ) = 0;
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STDMETHOD_(IDebugStream&, Tab )( void ) = 0;
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STDMETHOD_(IDebugStream&, Indent )( void ) = 0;
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STDMETHOD_(IDebugStream&, UnIndent )( void ) = 0;
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STDMETHOD_(IDebugStream&, Return )( void ) = 0;
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STDMETHOD_(IDebugStream&, LF )( void ) = 0;
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};
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STDAPI_(IDebugStream FAR*) MakeDebugStream( short margin=70, short tabsize=4, BOOL fHeader=1);
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interface IDebug
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{
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STDMETHOD_(void, Dump )( IDebugStream FAR * pdbstm ) = 0;
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STDMETHOD_(BOOL, IsValid )( BOOL fSuspicious = FALSE ) = 0;
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#ifdef NEVER
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__export IDebug(void);
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__export ~IDebug(void);
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private:
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#ifdef _DEBUG
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IDebug FAR * pIDPrev;
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IDebug FAR * pIDNext;
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friend void STDAPICALLTYPE DumpAllObjects( void );
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friend BOOL STDAPICALLTYPE ValidateAllObjects( BOOL fSuspicious );
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#endif // _DEBUG
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#endif // NEVER
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};
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/*************************************************************************
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** The following functions can be used to log debug messages to a file
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** and simutaneously write them to the dbwin debug window.
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** The CDebugStream implementation automatically writes to a debug
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** log file called "debug.log" in the current working directory.
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** NOTE: The functions are only intended for C programmers. C++
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** programmers should use the "MakeDebugStream" instead.
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*************************************************************************/
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// Open a log file.
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STDAPI_(HFILE) DbgLogOpen(LPCTSTR lpszFile, LPCTSTR lpszMode);
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// Close the log file.
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STDAPI_(void) DbgLogClose(HFILE fh);
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// Write to debug log and debug window (used with cvw.exe or dbwin.exe).
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STDAPI_(void) DbgLogOutputDebugString(HFILE fh, LPCTSTR lpsz);
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// Write to debug log only.
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STDAPI_(void) DbgLogWrite(HFILE fh, LPCTSTR lpsz);
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// Write the current Date and Time to the log file.
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STDAPI_(void) DbgLogTimeStamp(HFILE fh, LPCTSTR lpsz);
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// Write a banner separater to the log to separate sections.
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STDAPI_(void) DbgLogWriteBanner(HFILE fh, LPCTSTR lpsz);
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/*
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* STDDEBDECL macro - helper for debug declaration
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*
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*/
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#ifdef _DEBUG
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#define STDDEBDECL(ignore, classname ) implement CDebug:public IDebug { public: \
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CDebug( C##classname FAR * p##classname ) { m_p##classname = p##classname;} \
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~CDebug(void) {} \
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STDMETHOD_(void, Dump)(IDebugStream FAR * pdbstm ); \
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STDMETHOD_(BOOL, IsValid)(BOOL fSuspicious ); \
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private: C##classname FAR* m_p##classname; }; \
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DECLARE_NC(C##classname, CDebug) \
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CDebug m_Debug;
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#define CONSTRUCT_DEBUG m_Debug(this),
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#else // _DEBUG
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// no debugging
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#define STDDEBDECL(cclassname,classname)
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#define CONSTRUCT_DEBUG
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#endif // _DEBUG
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#endif __cplusplus
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#endif // !_DEBUG_H_
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