[pypy-commit] pypy gc-hooks: pass a 'stats' object to the hook instead of passing all the values individually

[antocuni]

Author: Antonio Cuni <anto.c...@gmail.com>
Branch: gc-hooks
Changeset: r94200:ce5745894545
Date: 2018-03-31 15:35 +0200
http://bitbucket.org/pypy/pypy/changeset/ce5745894545/

Log:    pass a 'stats' object to the hook instead of passing all the values
        individually

diff --git a/pypy/module/gc/hook.py b/pypy/module/gc/hook.py
--- a/pypy/module/gc/hook.py
+++ b/pypy/module/gc/hook.py
@@ -1,6 +1,7 @@
 from rpython.memory.gc.hook import GcHooks
-from pypy.interpreter.baseobjspace import ObjSpace
 from pypy.interpreter.gateway import interp2app, unwrap_spec
+from pypy.interpreter.baseobjspace import W_Root
+from pypy.interpreter.typedef import TypeDef, interp_attrproperty
 from pypy.interpreter.executioncontext import AsyncAction
 
 class LowLevelGcHooks(GcHooks):
@@ -47,11 +48,24 @@
     pinned_objects = 0
 
     def perform(self, ec, frame):
-        self.space.call_function(self.w_callable,
-                                 self.space.newint(self.total_memory_used),
-                                 self.space.newint(self.pinned_objects))
+        w_stats = W_GcMinorStats(self.total_memory_used, self.pinned_objects)
+        self.space.call_function(self.w_callable, w_stats)
 
 
+class W_GcMinorStats(W_Root):
+
+    def __init__(self, total_memory_used, pinned_objects):
+        self.total_memory_used = total_memory_used
+        self.pinned_objects = pinned_objects
+
+
+W_GcMinorStats.typedef = TypeDef(
+    "GcMinorStats",
+    total_memory_used = interp_attrproperty("total_memory_used",
+                                            cls=W_GcMinorStats, 
wrapfn="newint"),
+    pinned_objects = interp_attrproperty("pinned_objects",
+                                         cls=W_GcMinorStats, wrapfn="newint"),
+    )
 
 
 def set_hooks(space, w_on_gc_minor):
diff --git a/pypy/module/gc/test/test_hook.py b/pypy/module/gc/test/test_hook.py
--- a/pypy/module/gc/test/test_hook.py
+++ b/pypy/module/gc/test/test_hook.py
@@ -1,3 +1,4 @@
+from rpython.rlib.rarithmetic import r_uint
 from pypy.module.gc.hook import gchooks
 from pypy.interpreter.baseobjspace import ObjSpace
 from pypy.interpreter.gateway import interp2app, unwrap_spec
@@ -7,7 +8,7 @@
     def setup_class(cls):
         space = cls.space
 
-        @unwrap_spec(ObjSpace, int, int)
+        @unwrap_spec(ObjSpace, r_uint, int)
         def fire_gc_minor(space, total_memory_used, pinned_objects):
             gchooks.fire_gc_minor(total_memory_used, pinned_objects)
         cls.w_fire_gc_minor = space.wrap(interp2app(fire_gc_minor))
@@ -15,8 +16,8 @@
     def test_on_gc_minor(self):
         import gc
         lst = []
-        def on_gc_minor(total_memory_used, pinned_objects):
-            lst.append((total_memory_used, pinned_objects))
+        def on_gc_minor(stats):
+            lst.append((stats.total_memory_used, stats.pinned_objects))
         gc.set_hooks(on_gc_minor=on_gc_minor)
         self.fire_gc_minor(10, 20)
         self.fire_gc_minor(30, 40)
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