private static long HashModuleFileSizes(IImportChildrenSource source)
{
var hash = 0L;
var names = source.GetChildrenNames();
foreach (var name in names)
{
if (source.TryGetChildImport(name, out var child))
{
if (child is ModuleImport moduleImport)
{
if (moduleImport.ModuleFileSize == 0)
{
continue; // Typically test case, memory-only module.
}
hash = unchecked (hash * 31 ^ moduleImport.ModuleFileSize);
}
if (child is IImportChildrenSource childSource)
{
hash = unchecked (hash * 31 ^ HashModuleFileSizes(childSource));
}
}
}
return(hash);
}
private static long HashModuleFileSizes(IImportChildrenSource source)
{
var hash = 0L;
var names = source.GetChildrenNames();
foreach (var name in names)
{
if (source.TryGetChildImport(name, out var child))
{
if (child is ModuleImport moduleImport)
{
hash = unchecked (hash * 31 ^ moduleImport.ModuleFileSize);
}
if (child is IImportChildrenSource childSource)
{
hash = unchecked (hash * 31 ^ HashModuleFileSizes(childSource));
}
}
}
return(hash);
}
public ImmutableArray <string> GetChildrenNames() => _childrenSource.GetChildrenNames();