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<?php
declare(strict_types=1);
namespace Nsfisis\Waddiwasi\Execution;
use RuntimeException;
use function count;
final class Store
{
/**
* @param list<FuncInst> $funcs
* @param list<TableInst> $tables
* @param list<MemInst> $mems
* @param list<GlobalInst> $globals
* @param list<ElemInst> $elems
* @param list<DataInst> $datas
*/
public function __construct(
public array $funcs,
public array $tables,
public array $mems,
public array $globals,
public array $elems,
public array $datas,
) {
}
public static function empty(): self
{
return new self([], [], [], [], [], []);
}
public function register(Extern $extern): ExternVal
{
match ($extern::class) {
Externs\Func::class => $this->funcs[] = $extern->func,
Externs\Table::class => $this->tables[] = $extern->table,
Externs\Mem::class => $this->mems[] = $extern->mem,
Externs\Global_::class => $this->globals[] = $extern->global,
default => throw new RuntimeException("unreachable"),
};
return match ($extern::class) {
Externs\Func::class => ExternVal::Func(count($this->funcs) - 1),
Externs\Table::class => ExternVal::Table(count($this->tables) - 1),
Externs\Mem::class => ExternVal::Mem(count($this->mems) - 1),
Externs\Global_::class => ExternVal::Global_(count($this->globals) - 1),
default => throw new RuntimeException("unreachable"),
};
}
}
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