98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
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/*** token.h - Token definitions
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*
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* Copyright (c) 1996,1997 Microsoft Corporation
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* Author: Michael Tsang (MikeTs)
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* Created: 09/04/96
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*
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* This file contains the implementation constants,
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* imported/exported data types, exported function
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* prototypes of the token.c module.
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*
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* MODIFICATIONS
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*/
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#ifndef _TOKEN_H
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#define _TOKEN_H
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/*** Constants
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*/
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// GetToken return values
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// return value is the token type if it is positive
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// return value is the error number if it is negative
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// Error values (negative)
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#define TOKERR_NONE 0
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#define TOKERR_EOF (TOKERR_BASE - 0)
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#define TOKERR_NO_MATCH (TOKERR_BASE - 1)
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#define TOKERR_ASSERT_FAILED (TOKERR_BASE - 2)
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// TOKERR_LANG must always be the last TOKERR from the above list
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#define TOKERR_LANG TOKERR_ASSERT_FAILED
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// Token type
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#define TOKTYPE_NULL 0
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#define TOKTYPE_LANG TOKTYPE_NULL
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// Identifier token types
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#define ID_USER -1 //user identifier
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#define ID_LANG 0 //language specific ID base
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//Token flags values
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#define TOKF_NOIGNORESPACE 0x0001
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#define TOKF_CACHED 0x8000
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//Match token flags
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#define MTF_NOT_ERR 0x00000001
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#define MTF_ANY_VALUE 0x00000002
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/*** Exported data types
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*/
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#define MAX_TOKEN_LEN 255
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typedef struct token_s TOKEN;
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typedef TOKEN *PTOKEN;
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typedef int (LOCAL *PFNTOKEN)(int, PTOKEN);
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struct token_s
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{
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PLINE pline;
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PFNTOKEN *papfnToken;
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WORD wfToken;
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int iTokenType;
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LONGLONG llTokenValue;
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WORD wTokenLine;
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WORD wTokenPos;
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WORD wErrLine;
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WORD wErrPos;
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WORD wTokenLen;
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char szToken[MAX_TOKEN_LEN + 1];
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#ifdef TUNE
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WORD *pawcTokenType;
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#endif
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};
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/*** Imported data types
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*/
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/*** Exported function prototypes
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*/
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#ifdef TUNE
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PTOKEN EXPORT OpenToken(FILE *pfileSrc, PFNTOKEN *apfnToken,
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WORD *pawcTokenType);
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#else
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PTOKEN EXPORT OpenToken(FILE *pfileSrc, PFNTOKEN *apfnToken);
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#endif
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VOID EXPORT CloseToken(PTOKEN ptoken);
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int EXPORT GetToken(PTOKEN ptoken);
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int EXPORT UnGetToken(PTOKEN ptoken);
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int EXPORT MatchToken(PTOKEN ptoken, int iTokenType, LONG lTokenValue,
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DWORD dwfMatch, PSZ pszErrMsg);
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VOID EXPORT PrintTokenErr(PTOKEN ptoken, PSZ pszErrMsg, BOOL fErr);
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#endif //ifndef _TOKEN_H
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