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/* The expr object.
*
* Copyright 2008 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* The rsyslog runtime library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The rsyslog runtime library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
*/
#ifndef INCLUDED_EXPR_H
#define INCLUDED_EXPR_H
#include "obj.h"
#include "ctok.h"
#include "vmprg.h"
#include "stringbuf.h"
/* a node inside an expression tree */
typedef struct exprNode_s {
} exprNode_t;
/* the expression object */
typedef struct expr_s {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
vmprg_t *pVmprg; /* the expression in vmprg format - ready to execute */
} expr_t;
/* interfaces */
BEGINinterface(expr) /* name must also be changed in ENDinterface macro! */
INTERFACEObjDebugPrint(expr);
rsRetVal (*Construct)(expr_t **ppThis);
rsRetVal (*ConstructFinalize)(expr_t __attribute__((unused)) *pThis);
rsRetVal (*Destruct)(expr_t **ppThis);
rsRetVal (*Parse)(expr_t *pThis, ctok_t *ctok);
ENDinterface(expr)
#define exprCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
/* prototypes */
PROTOTYPEObj(expr);
#endif /* #ifndef INCLUDED_EXPR_H */
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