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/*
 * 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/.
 */

#ifndef INTERP_H
#define INTERP_H

#include <nanowasm/nw.h>
#include <nw/opcodes.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>

struct interp_set
{
    const enum opcode *opcodes;
    size_t n;
};

extern const struct interp_set interp_initexpr_set;

int interp_start(const struct nw_interp_cfg *cfg, FILE *f, struct nw_interp *i);
int interp_run(struct nw_interp *i);
int interp_run_limited(struct nw_interp *i, const struct interp_set *ops);
int interp_check_opcode(uint8_t op, FILE *f);
int interp_pop(struct nw_interp *i);
void *interp_stackptr(const struct nw_interp *i);
int interp_stack_push(struct nw_interp *i, const void *src, size_t n);
int interp_stack_pop(struct nw_interp *i, void *dst, size_t n);
int interp_heap_store(struct nw_interp *i, size_t addr, const void *src, size_t n);
int interp_heap_load(struct nw_interp *i, size_t addr, void *dst, size_t n);
int interp_global_push(struct nw_interp *i, const void *src, size_t n);
int interp_global_pop(struct nw_interp *i, void *dst, size_t n);
void *interp_globalptr(const struct nw_interp *i);

#endif