110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1991 **/
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/**********************************************************************/
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/*
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UIAssert.hxx
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UI environment independent assertion/logging routines
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See also "UITrace.HXX" and "Dbgstr.HXX."
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Usage:
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ASSERT(exp) Evaluates its argument. If "exp" evals to
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FALSE, then the app will terminate, naming
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the file name and line number of the assertion
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in the source.
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UIASSERT(exp) Synonym for ASSERT.
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ASSERTSZ(exp, sz) As ASSERT, except will also print the message
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"sz" with the assertion message should it fail.
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REQUIRE(exp) As ASSERT, except that its expression is still
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evaluated in retail versions. (Other versions
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of ASSERT disappear completely in retail builds.)
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The ASSERT macros expect a symbol _FILENAME_DEFINED_ONCE, and will
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use the value of that symbol as the filename if found; otherwise,
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they will emit a new copy of the filename, using the ANSI C __FILE__
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macro. A client sourcefile may therefore define __FILENAME_DEFINED_ONCE
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in order to minimize the DGROUP footprint of a number of ASSERTs.
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FILE HISTORY:
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Johnl 15-Nov-1990 Converted from CAssert to general purpose
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Johnl 6-Dec-1990 Changed _FAR_ to _far in _assert prototype
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beng 30-Apr-1991 Made C-includable
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beng 05-Aug-1991 Made assertions occupy less dgroup; withdrew
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explicit heapchecking (which was crt
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dependent anyway)
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beng 17-Sep-1991 Removed additional consistency checks;
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rewrote to minimize dgroup footprint,
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check expression in-line
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beng 19-Sep-1991 Fixed my own over-cleverness
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beng 25-Sep-1991 Fixed bug in retail REQUIRE
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KeithMo 07-Oct-1991 Retail builds don't Glock.
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beng 16-Oct-1991 Helper fcns are C++. (C clients should use
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the standard runtime, anyway.)
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beng 08-Mar-1992 Unicode fixes
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beng 25-Mar-1992 Further Unicode work (filename is SBCS)
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KeithMo 21-Aug-1992 ASSERTSZ must take aa SBCS message now. Sorry.
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*/
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#ifndef _UIASSERT_HXX_
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#define _UIASSERT_HXX_
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extern DLL_BASED VOID UIAssertHlp( const CHAR* pszFileName, UINT nLine );
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extern DLL_BASED VOID UIAssertHlp( const CHAR* pszMessage,
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const CHAR* pszFileName, UINT nLine );
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#ifdef ASSERT
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#undef ASSERT
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#endif
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#ifdef UIASSERT
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#undef UIASSERT
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#endif
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#ifdef ASSERTSZ
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#undef ASSERTSZ
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#endif
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#ifdef REQUIRE
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#undef REQUIRE
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#endif
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#if defined(DEBUG)
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# if defined(_FILENAME_DEFINED_ONCE)
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# define ASSERT(exp) \
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{ if (!(exp)) ::UIAssertHlp(_FILENAME_DEFINED_ONCE, __LINE__); }
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# define ASSERTSZ(exp, sz) \
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{ if (!(exp)) ::UIAssertHlp((sz), _FILENAME_DEFINED_ONCE, __LINE__); }
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# else
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# define ASSERT(exp) \
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{ if (!(exp)) ::UIAssertHlp(__FILE__, __LINE__); }
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# define ASSERTSZ(exp, sz) \
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{ if (!(exp)) ::UIAssertHlp((sz), __FILE__, __LINE__); }
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# endif
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# define UIASSERT(exp) ASSERT(exp)
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# define REQUIRE(exp) ASSERT(exp)
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#else // !DEBUG
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# define ASSERT(exp) { ; }
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# define UIASSERT(exp) { ; }
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# define ASSERTSZ(exp, sz) { ; }
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# define REQUIRE(exp) { (exp); }
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#endif // DEBUG
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#endif // _UIASSERT_HXX_
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