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/*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2001 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DFILTER_INT_H
#define DFILTER_INT_H
#include "dfilter.h"
#include "syntax-tree.h"
#include <epan/proto.h>
#include <stdio.h>
/* Passed back to user */
struct _dfilter_t {
GPtrArray *insns;
int num_registers;
GList **registers;
gboolean *attempted_load;
int *interesting_fields;
int num_interesting_fields;
};
typedef struct {
/* Syntax Tree stuff */
stnode_t *st_root;
gboolean syntax_error;
GPtrArray *insns;
GHashTable *loaded_fields;
GHashTable *interesting_fields;
int next_insn_id;
int next_register;
} dfwork_t;
/* Constructor/Destructor prototypes for Lemon Parser */
void *DfilterAlloc(void* (*)(gulong));
void DfilterFree(void*, void (*)(void *));
void Dfilter(void*, int, stnode_t*, dfwork_t*);
/* Scanner's lval */
extern stnode_t *df_lval;
/* Return value for error in scanner. */
#define SCAN_FAILED -1 /* not 0, as that means end-of-input */
/* Set dfilter_error_msg_buf and dfilter_error_msg */
void
dfilter_fail(const char *format, ...);
void
DfilterTrace(FILE *TraceFILE, char *zTracePrompt);
#endif
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