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| author |   Antonio Cuni <anto.cuni@gmail.com> | 2007-09-14 09:53:28 +0000 |
|---|---|---|
| committer | Antonio Cuni <anto.cuni@gmail.com> | 2007-09-14 09:53:28 +0000 |
| commit | a002baead604d885be276b7e411a82d446702c9f (patch) | |
| tree | a5f7fa93e2d914f088dbcbc86cef4a69b8b6b8c7 /pypy/rpython/rweakref.py | |
| parent | Implement automatic GIL release around external function calls. (diff) | |
| download | pypy-a002baead604d885be276b7e411a82d446702c9f.tar.gz pypy-a002baead604d885be276b7e411a82d446702c9f.tar.bz2 pypy-a002baead604d885be276b7e411a82d446702c9f.zip | |
allow null weakref in both lltype and ootype
Diffstat (limited to 'pypy/rpython/rweakref.py')
| -rw-r--r-- | pypy/rpython/rweakref.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pypy/rpython/rweakref.py b/pypy/rpython/rweakref.py index 8b74351828..aff736cb61 100644 --- a/pypy/rpython/rweakref.py +++ b/pypy/rpython/rweakref.py @@ -29,6 +29,9 @@ class BaseWeakRefRepr(Repr): "this backend or GC policy") def convert_const(self, value): + if value is None: + return self.null_wref + assert isinstance(value, weakref.ReferenceType) instance = value() bk = self.rtyper.annotator.bookkeeper @@ -47,6 +50,7 @@ class BaseWeakRefRepr(Repr): class LLWeakRefRepr(BaseWeakRefRepr): lowleveltype = llmemory.WeakRefPtr dead_wref = llmemory.dead_wref + null_wref = lltype.nullptr(llmemory.WeakRef) def rtype_simple_call(self, hop): v_wref, = hop.inputargs(self) @@ -59,6 +63,7 @@ class LLWeakRefRepr(BaseWeakRefRepr): class OOWeakRefRepr(BaseWeakRefRepr): lowleveltype = ootype.WeakReference dead_wref = ootype.dead_wref + null_wref = ootype.null(ootype.WeakReference) def rtype_simple_call(self, hop): v_wref, = hop.inputargs(self) |