119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
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/**********************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1987-1999 **/
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/**********************************************************************/
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/*
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lextable.hxx
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MIDL Compiler Lexeme Table Definition
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This class centralizes access to allocated strings throughout the
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compiler.
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*/
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/*
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FILE HISTORY :
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DonnaLi 08-23-1990 Created.
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*/
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#ifndef __LEXTABLE_HXX__
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#define __LEXTABLE_HXX__
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#include "common.hxx"
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#include "dict.hxx"
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/**********************************************************************\
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NAME: LexKey
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SYNOPSIS: Defines the key to the lexeme table.
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INTERFACE:
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CAVEATS:
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NOTES:
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HISTORY:
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Donnali 08-23-1990 Initial creation
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Donnali 12-04-1990 Port to Dov's generic dictionary
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\**********************************************************************/
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class LexKey
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{
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char *sz; // lexeme that serves as key to the LexTable
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public:
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LexKey() { sz = 0; }
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LexKey(char * psz) { sz = psz; }
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~LexKey() { }
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char *GetString() { return sz; }
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void SetString(char * psz) { sz = psz; }
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void Print(void) { printf("%s", sz); }
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void * operator new ( size_t size )
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{
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return AllocateOnceNew( size );
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}
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void operator delete( void * ptr )
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{
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AllocateOnceDelete( ptr );
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}
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friend void PrintLexeme(void *);
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friend int CompareLexeme(void *, void *);
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};
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/**********************************************************************\
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NAME: LexTable
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SYNOPSIS: Defines the lexeme table.
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INTERFACE: LexTable ()
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Constructor.
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LexInsert ()
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Inserts a lexeme into the lexeme table.
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LexSearch ()
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Searches the lexeme table for a lexeme.
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CAVEATS: This implementation does not support deletion of strings
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from the lexeme table.
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NOTES:
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HISTORY:
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Donnali 08-23-1990 Initial creation
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\**********************************************************************/
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class LexTable
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#ifdef unique_lextable
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: public Dictionary
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#endif // unique_lextable
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{
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size_t BufferSize; // size of the current buffer
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size_t BufferNext; // next position for new lexeme
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char * pBuffer; // pointer to current buffer
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#ifdef unique_lextable
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LexKey SearchKey; // used to hold a search string
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#endif
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public:
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LexTable(
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size_t Size,
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int (* pfnCompare)(void *, void *) = CompareLexeme,
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void (* pfnPrint)(void *) = PrintLexeme
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);
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char * LexInsert(char * psz);
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char * LexSearch(char * psz);
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};
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#endif // __LEXTABLE_HXX__
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