72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1999.
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//
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// File: YYBase.hxx
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//
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// Contents: Custom base class for YYPARSER
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//
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// History: 30-Nov-1999 KyleP Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "mssql.h"
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class CImpIParserSession;
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class CImpIParserTreeProperties;
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class YYLEXER;
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//+---------------------------------------------------------------------------
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//
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// Class: CYYBase
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//
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// Purpose: Custom base class for BYACC-based parser. Encapsulates
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// Tripoli-specific features and data members.
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//
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// History: 30-Nov-1999 KyleP Created
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//
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//----------------------------------------------------------------------------
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class CYYBase
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{
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public:
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CYYBase( CImpIParserSession* pParserSession,
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CImpIParserTreeProperties* pParserTreeProperties,
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YYLEXER & yylex );
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~CYYBase();
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//
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// Members used in YYPARSER
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//
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HRESULT CoerceScalar(DBTYPE dbTypeExpected, DBCOMMANDTREE** ppct);
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//
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// Lexer pass-through
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//
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void yyprimebuffer(YY_CHAR *pszBuffer);
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void yyprimelexer(int eToken);
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protected:
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void yyerror( char const * szError );
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YYLEXER & m_yylex;
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CImpIParserSession* m_pIPSession;
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CImpIParserTreeProperties * m_pIPTProperties;
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void Trace(TCHAR *message);
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void Trace(TCHAR *message, const TCHAR *tokname, short state = 0);
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void Trace(TCHAR *message, int state, short tostate = 0, short token = 0);
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friend class YYLEXER;
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};
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