diff options
Diffstat (limited to 'src/python/m5/proxy.py')
| -rw-r--r-- | src/python/m5/proxy.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/python/m5/proxy.py b/src/python/m5/proxy.py index 7ebc0ae19..e539f14ee 100644 --- a/src/python/m5/proxy.py +++ b/src/python/m5/proxy.py @@ -33,6 +33,8 @@ # ##################################################################### +import copy + class BaseProxy(object): def __init__(self, search_self, search_up): self._search_self = search_self @@ -129,15 +131,22 @@ class AttrProxy(BaseProxy): return super(AttrProxy, self).__getattr__(self, attr) if hasattr(self, '_pdesc'): raise AttributeError, "Attribute reference on bound proxy" - self._modifiers.append(attr) - return self + # Return a copy of self rather than modifying self in place + # since self could be an indirect reference via a variable or + # parameter + new_self = copy.deepcopy(self) + new_self._modifiers.append(attr) + return new_self # support indexing on proxies (e.g., Self.cpu[0]) def __getitem__(self, key): if not isinstance(key, int): raise TypeError, "Proxy object requires integer index" - self._modifiers.append(key) - return self + if hasattr(self, '_pdesc'): + raise AttributeError, "Index operation on bound proxy" + new_self = copy.deepcopy(self) + new_self._modifiers.append(key) + return new_self def find(self, obj): try: |