79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Copyright (c) 1997-1999 Microsoft Corporation
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Module Name:
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pragma.hxx
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Abstract:
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An object that maintains flags for each warning/error message.
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The flag indicates whether or not the warning should be emitted.
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Error messages are always emitted.
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Notes:
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Author:
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NishadM Dec-30-1997 Created.
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Notes:
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----------------------------------------------------------------------------*/
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#ifndef __PRAGMA_HXX__
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#define __PRAGMA_HXX__
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#include "errors.hxx"
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// calculate the number of unsigned longs
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const unsigned long c_nMsgs = ( D_ERR_MAX-D_ERR_START+C_ERR_MAX-C_ERR_START ) /
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( sizeof(unsigned long) * 8 ) + 1;
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class CMessageNumberList
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{
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private:
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unsigned long fMessageNumber [c_nMsgs];
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protected:
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// maps warning number to the apprpriate bit.
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unsigned long BitIndex( unsigned long ulMsg );
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public:
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CMessageNumberList();
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~CMessageNumberList()
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{
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}
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// queries for the warning message flag
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unsigned long GetMessageFlag( unsigned long ulMsg )
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{
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ulMsg = BitIndex( ulMsg );
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return ( fMessageNumber[ ulMsg / ( sizeof(unsigned long) * 8 ) ] &
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( 1 << ( ulMsg % ( sizeof(unsigned long) * 8 ) ) ) );
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}
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// turns on all flags specified by list
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void SetMessageFlags( CMessageNumberList& list );
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// turns on warning specified by ulMsg
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void SetMessageFlag( unsigned long ulMsg )
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{
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ulMsg = BitIndex( ulMsg );
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fMessageNumber[ ulMsg / ( sizeof(unsigned long) * 8 ) ] |=
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( 1 << ( ulMsg % ( sizeof(unsigned long) * 8 ) ) );
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}
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// turns off all flags specified by list
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void ResetMessageFlags( CMessageNumberList& list );
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// turns off warning specified by ulMsg
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void ResetMessageFlag( unsigned long ulMsg )
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{
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ulMsg = BitIndex( ulMsg );
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fMessageNumber[ ulMsg / ( sizeof(unsigned long) * 8 ) ] &=
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~( 1 << ( ulMsg % ( sizeof(unsigned long) * 8 ) ) );
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}
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void ResetAll();
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void SetAll();
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};
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#endif __PRAGMA_HXX__
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