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/*
* This file is part of ltrace.
* Copyright (C) 2011 Petr Machata, Red Hat Inc.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <assert.h>
#include "lens.h"
#include "lens_default.h"
#include "type.h"
#include "value.h"
int
format_argument(FILE *stream, struct value *value,
struct value_dict *arguments)
{
/* Find the closest enclosing parental value whose type has a
* lens assigned. */
struct value *parent;
for (parent = value; (parent != NULL && parent->type != NULL
&& parent->type->lens == NULL);
parent = parent->parent)
;
struct lens *lens = &default_lens;
if (parent != NULL && parent->type != NULL
&& parent->type->lens != NULL)
lens = parent->type->lens;
return lens_format(lens, stream, value, arguments);
}
int
lens_format(struct lens *lens, FILE *stream, struct value *value,
struct value_dict *arguments)
{
assert(lens->format_cb != NULL);
return lens->format_cb(lens, stream, value, arguments);
}
void
lens_destroy(struct lens *lens)
{
if (lens != NULL
&& lens->destroy_cb != NULL)
lens->destroy_cb(lens);
}
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