/*
 * nanowasm, a tiny WebAssembly/Wasm interpreter
 * Copyright (C) 2023-2024  Xavier Del Campo Romero
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#include <nw/log.h>
#include <nw/ops.h>
#include <nanowasm/nw.h>
#include <nw/types.h>
#include <stddef.h>
#include <stdio.h>

static int op(struct nw_interp *const i, FILE *const f)
{
    varuint32 target_count, default_target;

    if (varuint32_read(f, &target_count))
    {
        LOG("%s: varuint32_read target_count failed\n", __func__);
        return -1;
    }

    for (varuint32 i = 0; i < target_count; i++)
    {
        varuint32 target_table;

        if (varuint32_read(f, &target_table))
        {
            LOG("%s: varuint32_read target_table failed\n",
                __func__);
            return -1;
        }
    }

    if (varuint32_read(f, &default_target))
    {
        LOG("%s: varuint32_read default_target failed\n", __func__);
        return -1;
    }

    return 0;
}

int op_br_table(struct nw_interp *const i)
{
    return op(i, i->f);
}

int check_br_table(FILE *const f)
{
    return op(NULL, f);
}