src/routines/i32_arithm.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/interp.h>
#include <nw/stack.h>
#include <nw/routines.h>

static enum nw_state push(struct nw_interp *const i)
{
    struct nw_i_sm_i32_arithm *const a = &i->sm.i32_arithm;
    const enum nw_state n = nwp_stack_push(i, &a->io);

    if (n)
        return n;

    i->push_type = NW_TYPE_I32;
    nwp_interp_resume(i);
    return NW_AGAIN;
}

void nwp_op_i32_arithm(struct nw_interp *const i, const long result)
{
    const struct nw_i_sm_i32_arithm a = {0};
    struct nw_i_sm_i32_arithm *const s = &i->sm.i32_arithm;

    *s = a;
    s->result = result;
    s->io.buf = &s->result;
    s->io.n = sizeof s->result;
    i->next = push;
}