forked from osmocom/wireshark
![Dario Lombardo](/assets/img/avatar_default.png)
Skipping dissectors dir for now. Change-Id: I717b66bfbc7cc81b83f8c2cbc011fcad643796aa Reviewed-on: https://code.wireshark.org/review/25694 Petri-Dish: Dario Lombardo <lomato@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
231 lines
3.6 KiB
C
231 lines
3.6 KiB
C
/*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2001 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include "syntax-tree.h"
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/* Keep track of sttype_t's via their sttype_id_t number */
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static sttype_t* type_list[STTYPE_NUM_TYPES];
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#define STNODE_MAGIC 0xe9b00b9e
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void
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sttype_init(void)
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{
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sttype_register_function();
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sttype_register_integer();
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sttype_register_pointer();
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sttype_register_range();
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sttype_register_set();
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sttype_register_string();
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sttype_register_test();
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}
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void
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sttype_cleanup(void)
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{
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/* nothing to do */
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}
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void
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sttype_register(sttype_t *type)
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{
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sttype_id_t type_id;
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type_id = type->id;
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/* Check input */
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g_assert(type_id < STTYPE_NUM_TYPES);
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/* Don't re-register. */
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g_assert(type_list[type_id] == NULL);
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type_list[type_id] = type;
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}
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static sttype_t*
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sttype_lookup(sttype_id_t type_id)
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{
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sttype_t *result;
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/* Check input */
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g_assert(type_id < STTYPE_NUM_TYPES);
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result = type_list[type_id];
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/* Check output. */
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g_assert(result != NULL);
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return result;
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}
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stnode_t*
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stnode_new(sttype_id_t type_id, gpointer data)
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{
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sttype_t *type;
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stnode_t *node;
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node = g_new(stnode_t, 1);
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node->magic = STNODE_MAGIC;
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node->deprecated_token = NULL;
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node->inside_brackets = FALSE;
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if (type_id == STTYPE_UNINITIALIZED) {
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node->type = NULL;
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node->data = NULL;
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}
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else {
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type = sttype_lookup(type_id);
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g_assert(type);
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node->type = type;
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if (type->func_new) {
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node->data = type->func_new(data);
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}
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else {
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node->data = data;
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}
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}
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return node;
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}
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void
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stnode_set_bracket(stnode_t *node, gboolean bracket)
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{
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node->inside_brackets = bracket;
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}
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stnode_t*
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stnode_dup(const stnode_t *org)
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{
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sttype_t *type;
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stnode_t *node;
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if (!org)
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return NULL;
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type = org->type;
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node = g_new(stnode_t, 1);
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node->magic = STNODE_MAGIC;
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node->deprecated_token = NULL;
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node->type = type;
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if (type && type->func_dup)
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node->data = type->func_dup(org->data);
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else
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node->data = org->data;
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node->value = org->value;
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node->inside_brackets = org->inside_brackets;
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return node;
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}
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void
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stnode_init(stnode_t *node, sttype_id_t type_id, gpointer data)
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{
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sttype_t *type;
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assert_magic(node, STNODE_MAGIC);
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g_assert(!node->type);
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g_assert(!node->data);
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type = sttype_lookup(type_id);
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g_assert(type);
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node->type = type;
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if (type->func_new) {
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node->data = type->func_new(data);
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}
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else {
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node->data = data;
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}
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}
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void
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stnode_init_int(stnode_t *node, sttype_id_t type_id, gint32 value)
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{
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stnode_init(node, type_id, NULL);
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node->value = value;
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}
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void
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stnode_free(stnode_t *node)
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{
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assert_magic(node, STNODE_MAGIC);
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if (node->type) {
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if (node->type->func_free) {
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node->type->func_free(node->data);
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}
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}
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else {
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g_assert(!node->data);
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}
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g_free(node);
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}
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const char*
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stnode_type_name(stnode_t *node)
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{
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assert_magic(node, STNODE_MAGIC);
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if (node->type)
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return node->type->name;
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else
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return "UNINITIALIZED";
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}
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sttype_id_t
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stnode_type_id(stnode_t *node)
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{
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assert_magic(node, STNODE_MAGIC);
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if (node->type)
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return node->type->id;
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else
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return STTYPE_UNINITIALIZED;
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}
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gpointer
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stnode_data(stnode_t *node)
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{
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assert_magic(node, STNODE_MAGIC);
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return node->data;
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}
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gint32
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stnode_value(stnode_t *node)
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{
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assert_magic(node, STNODE_MAGIC);
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return node->value;
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}
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const char *
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stnode_deprecated(stnode_t *node)
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{
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if (!node) {
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return NULL;
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}
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return node->deprecated_token;
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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