Author: Tim Felgentreff <timfelgentr...@gmail.com>
Branch:
Changeset: r588:ca89f7a89419
Date: 2014-01-17 13:03 +0100
http://bitbucket.org/pypy/lang-smalltalk/changeset/ca89f7a89419/
Log: sync all invalid MethodDictShadows when SYMBOL_FLUSH_CACHE is called
- slow, but might work
diff --git a/spyvm/primitives.py b/spyvm/primitives.py
--- a/spyvm/primitives.py
+++ b/spyvm/primitives.py
@@ -912,9 +912,37 @@
w_class.as_class_get_shadow(interp.space).flush_caches()
return w_rcvr
-@expose_primitive(SYMBOL_FLUSH_CACHE, unwrap_spec=[object])
-def func(interp, s_frame, w_rcvr):
- raise PrimitiveFailedError()
+
+if not stm_enabled():
+ # XXX: We don't have a global symbol cache. Instead, we get all
+ # method dictionary shadows (those exists for all methodDicts that
+ # have been modified) and flush them
+ @expose_primitive(SYMBOL_FLUSH_CACHE, unwrap_spec=[object])
+ def func(interp, s_frame, w_rcvr):
+ dicts_s = []
+ from rpython.rlib import rgc
+
+ roots = [gcref for gcref in rgc.get_rpy_roots() if gcref]
+ pending = roots[:]
+ while pending:
+ gcref = pending.pop()
+ if not rgc.get_gcflag_extra(gcref):
+ rgc.toggle_gcflag_extra(gcref)
+ w_obj =
rgc.try_cast_gcref_to_instance(shadow.MethodDictionaryShadow, gcref)
+ if w_obj is not None:
+ dicts_s.append(w_obj)
+ pending.extend(rgc.get_rpy_referents(gcref))
+
+ while roots:
+ gcref = roots.pop()
+ if rgc.get_gcflag_extra(gcref):
+ rgc.toggle_gcflag_extra(gcref)
+ roots.extend(rgc.get_rpy_referents(gcref))
+
+ for s_dict in dicts_s:
+ if s_dict.invalid:
+ s_dict.sync_cache()
+ return w_rcvr
# ___________________________________________________________________________
# Miscellaneous Primitives (120-127)
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