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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 <stddef.h>
#include <stdlib.h>
static int io_read(void *const buf, const size_t n, void *const user)
{
return -1;
}
static enum nw_state io_seek(const long offset, void *const user)
{
return -1;
}
static enum nw_state io_tell(long *const out, void *const user)
{
return -1;
}
static int io_eof(void *const user)
{
return -1;
}
static int push(const void *const src, const size_t n, void *const user)
{
return -1;
}
static int pop(void *const dst, const size_t n, void *const user)
{
return -1;
}
static size_t ptr(void *const user)
{
return 0;
}
static int load(const nw_varuint32 offset, void *const dst, const size_t n,
void *const user)
{
return -1;
}
static int store(const nw_varuint32 offset, const void *const src,
const size_t n, void *const user)
{
return -1;
}
int main(int argc, char *argv[])
{
const struct nw_io_cfg io =
{
.read = io_read,
.seek = io_seek,
.tell = io_tell,
.eof = io_eof
};
const struct nw_mod_cfg cfg =
{
.io = io
};
struct nw_mod m;
struct nw_mod_out mout;
nw_init(&m, &cfg);
again:
switch (nw_load(&m, &mout))
{
case NW_OK:
break;
case NW_AGAIN:
goto again;
case NW_FATAL:
return EXIT_FAILURE;
}
const struct nw_inst_cfg icfg =
{
.interp_cfg =
{
.io = io,
.m = &m,
.stack =
{
.push = push,
.pop = pop,
.ptr = ptr
},
.linear =
{
.load = load,
.store = store
}
}
};
struct nw_inst inst;
if (nw_start(&inst, &icfg))
return EXIT_FAILURE;
again2:
switch (nw_run(&inst))
{
case NW_OK:
break;
case NW_AGAIN:
goto again2;
case NW_FATAL:
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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