src/routines/section/data_count.c


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/*
 * nanowasm, a tiny WebAssembly/Wasm interpreter
 * Copyright (C) 2023-2025  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 <nanowasm/nw.h>
#include <nw/io.h>
#include <nw/log.h>
#include <nw/routines.h>

static enum nw_state get_count(struct nw_mod *const m)
{
    const struct nw_io_cfg *const cfg = &m->cfg.io;
    struct nw_sm_dc *const dc = &m->sm.data_count;
    struct nw_sm_leb128 *const l = &dc->leb128;
    enum nw_state n;

    if ((n = nwp_varuint32(cfg, l, &m->data_count, cfg->user)))
        return n;

    m->next = nwp_section_exit;
    return NW_AGAIN;
}

void nwp_section_data_count(struct nw_mod *const m)
{
    const struct nw_sm_dc dc = {0};

    m->sm.data_count = dc;
    m->next = get_count;
}