wireshark/epan/dfilter/syntax-tree.h

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/* syntax-tree.h
*
* $Id: syntax-tree.h,v 1.1 2001/02/01 20:21:18 gram Exp $
*
*/
#ifndef SYNTAX_TREE_H
#define SYNTAX_TREE_H
#include <glib.h>
#include "cppmagic.h"
typedef enum {
STTYPE_UNINITIALIZED,
STTYPE_TEST,
STTYPE_STRING,
STTYPE_FIELD,
STTYPE_FVALUE,
STTYPE_RANGE,
STTYPE_NUM_TYPES
} sttype_id_t;
typedef gpointer (*STTypeNewFunc)(gpointer);
typedef void (*STTypeFreeFunc)(gpointer);
/* Type information */
typedef struct {
sttype_id_t id;
const char *name;
STTypeNewFunc func_new;
STTypeFreeFunc func_free;
} sttype_t;
/* Node (type instance) information */
typedef struct {
guint32 magic;
sttype_t *type;
gpointer data;
} stnode_t;
void
sttype_init(void);
void
sttype_cleanup(void);
void
sttype_register(sttype_t *type);
stnode_t*
stnode_new(sttype_id_t type_id, gpointer data);
void
stnode_init(stnode_t *node, sttype_id_t type_id, gpointer data);
void
stnode_free(stnode_t *node);
const char*
stnode_type_name(stnode_t *node);
sttype_id_t
stnode_type_id(stnode_t *node);
gpointer
stnode_data(stnode_t *node);
#define assert_magic(obj, mnum) \
g_assert((obj)); \
if ((obj)->magic != (mnum)) { \
g_print("\nMagic num is 0x%08x, but should be 0x%08x", \
(obj)->magic, (mnum)); \
g_assert((obj)->magic == (mnum)); \
}
#define STTYPE_ACCESSOR(ret,type,attr,magicnum) \
ret \
CONCAT(CONCAT(CONCAT(sttype_,type),_),attr) (stnode_t *node) \
{\
CONCAT(type,_t) *value; \
value = stnode_data(node);\
assert_magic(value, magicnum); \
return value->attr; \
}
#define STTYPE_ACCESSOR_PROTOTYPE(ret,type,attr) \
ret \
CONCAT(CONCAT(CONCAT(sttype_,type),_),attr) (stnode_t *node);
#endif