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/*
* Copyright (c) 2006 by Gilbert Ramirez <gram@alumni.rice.edu>
*
* Wireshark - Network traffic analyzer
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include "syntax-tree.h"
#include "sttype-function.h"
#include <wsutil/ws_assert.h>
typedef struct {
uint32_t magic;
df_func_def_t *funcdef;
GSList *params;
} function_t;
#define FUNCTION_MAGIC 0xe10f0f99
static void *
function_new(void *funcdef)
{
function_t *stfuncrec;
stfuncrec = g_new(function_t, 1);
stfuncrec->magic = FUNCTION_MAGIC;
stfuncrec->funcdef = funcdef;
stfuncrec->params = NULL;
return stfuncrec;
}
static void *
function_dup(gconstpointer data)
{
const function_t *org = data;
function_t *stfuncrec;
GSList *p;
stfuncrec = function_new(org->funcdef);
for (p = org->params; p; p = p->next) {
const stnode_t *param = p->data;
stfuncrec->params = g_slist_append(stfuncrec->params, stnode_dup(param));
}
return stfuncrec;
}
static char *
function_tostr(const void *data, bool pretty)
{
const function_t *stfuncrec = data;
const df_func_def_t *def = stfuncrec->funcdef;
GSList *params = stfuncrec->params;
GString *repr = g_string_new("");
ws_assert(def);
if (pretty) {
g_string_printf(repr, "%s(", def->name);
while (params != NULL) {
ws_assert(params->data);
g_string_append(repr, stnode_tostr(params->data, pretty));
params = params->next;
if (params != NULL) {
g_string_append(repr, ", ");
}
}
g_string_append_c(repr, ')');
}
else {
g_string_printf(repr, "%s#%u", def->name, g_slist_length(params));
}
return g_string_free(repr, false);
}
static void
slist_stnode_free(void *data)
{
stnode_free(data);
}
void
st_funcparams_free(GSList *params)
{
g_slist_free_full(params, slist_stnode_free);
}
static void
function_free(void *value)
{
function_t *stfuncrec = value;
ws_assert_magic(stfuncrec, FUNCTION_MAGIC);
st_funcparams_free(stfuncrec->params);
g_free(stfuncrec);
}
/* Set the parameters for a function stnode_t. */
void
sttype_function_set_params(stnode_t *node, GSList *params)
{
function_t *stfuncrec;
stfuncrec = stnode_data(node);
ws_assert_magic(stfuncrec, FUNCTION_MAGIC);
stfuncrec->params = params;
}
/* Get the function-definition record for a function stnode_t. */
df_func_def_t*
sttype_function_funcdef(stnode_t *node)
{
function_t *stfuncrec;
stfuncrec = stnode_data(node);
ws_assert_magic(stfuncrec, FUNCTION_MAGIC);
return stfuncrec->funcdef;
}
const char *
sttype_function_name(stnode_t *node)
{
function_t *stfuncrec;
stfuncrec = stnode_data(node);
ws_assert_magic(stfuncrec, FUNCTION_MAGIC);
return stfuncrec->funcdef->name;
}
/* Get the parameters for a function stnode_t. */
GSList*
sttype_function_params(stnode_t *node)
{
function_t *stfuncrec;
stfuncrec = stnode_data(node);
ws_assert_magic(stfuncrec, FUNCTION_MAGIC);
return stfuncrec->params;
}
void
sttype_register_function(void)
{
static sttype_t function_type = {
STTYPE_FUNCTION,
function_new,
function_free,
function_dup,
function_tostr
};
sttype_register(&function_type);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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