wireshark/epan/dfilter/dfvm.h

78 lines
988 B
C

#ifndef DFVM_H
#define DFVM_H
#include <stdio.h>
#include "proto.h"
#include "dfilter-int.h"
#include "syntax-tree.h"
typedef enum {
EMPTY,
FVALUE,
FIELD_ID,
INSN_NUMBER,
REGISTER,
INTEGER
} dfvm_value_type_t;
typedef struct {
dfvm_value_type_t type;
union {
fvalue_t *fvalue;
guint32 numeric;
} value;
} dfvm_value_t;
typedef enum {
IF_TRUE_GOTO,
IF_FALSE_GOTO,
CHECK_EXISTS,
NOT,
RETURN,
READ_TREE,
PUT_FVALUE,
ANY_EQ,
ANY_NE,
ANY_GT,
ANY_GE,
ANY_LT,
ANY_LE,
MK_RANGE
} dfvm_opcode_t;
typedef struct {
int id;
int LHS;
dfvm_opcode_t op;
dfvm_value_t *arg1;
dfvm_value_t *arg2;
dfvm_value_t *arg3;
dfvm_value_t *arg4;
} dfvm_insn_t;
dfvm_insn_t*
dfvm_insn_new(dfvm_opcode_t op);
void
dfvm_insn_free(dfvm_insn_t *insn);
dfvm_value_t*
dfvm_value_new(dfvm_value_type_t type);
void
dfvm_value_free(dfvm_value_t *v);
void
dfvm_dump(FILE *f, GPtrArray *insns);
gboolean
dfvm_apply(dfilter_t *df, tvbuff_t *tvb, proto_tree *tree);
#endif