/// <summary>
/// Constructs a new memory binding.
/// </summary>
/// <param name="import">The memory import of the binding.</param>
/// <param name="field">The field the import is bound to.</param>
public MemoryBinding(MemoryImport import, FieldInfo field)
{
if (import is null)
{
throw new ArgumentNullException(nameof(import));
}
if (field is null)
{
throw new ArgumentNullException(nameof(field));
}
Import = import;
Field = field;
Validate();
}
private static MemoryBinding BindMemory(MemoryImport import, IEnumerable <FieldInfo> fields)
{
var field = fields?.Where(f =>
{
var attribute = (ImportAttribute)f.GetCustomAttribute(typeof(ImportAttribute));
return(attribute.Name == import.Name &&
((string.IsNullOrEmpty(attribute.Module) &&
string.IsNullOrEmpty(import.ModuleName)) ||
attribute.Module == import.ModuleName));
}
).FirstOrDefault();
if (field is null)
{
throw new WasmtimeException($"Failed to bind memory import '{import}': the host does not contain a memory field with a matching 'Import' attribute.");
}
return(new MemoryBinding(import, field));
}