def do_call(result, path, index, remaining_depth):
# clone the while path
clonedata.gcobjectptr = lltype.cast_opaque_ptr(llmemory.GCREF,
path)
clonedata.pool = lltype.nullptr(X_POOL)
llop.gc_x_clone(lltype.Void, clonedata)
# install the new pool as the current one
parentpool = llop.gc_x_swap_pool(X_POOL_PTR, clonedata.pool)
path = lltype.cast_opaque_ptr(lltype.Ptr(NODE),
clonedata.gcobjectptr)
# The above should have the same effect as:
# path = clone(path)
# bump all the path node counters by one
p = path
while p:
p.counter += 1
p = p.next
if remaining_depth == 0:
llop.debug_print(lltype.Void, "setting", index, "with", path)
result[index] = path # leaf
else:
node = lltype.malloc(NODE)
node.index = index * 2
node.counter = 0
node.next = path
do_call(result, node, index * 2, remaining_depth - 1)
node.index += 1 # mutation!
do_call(result, node, index * 2 + 1, remaining_depth - 1)
# restore the parent pool
llop.gc_x_swap_pool(X_POOL_PTR, parentpool)
def func():
oldpool = llop.gc_x_swap_pool(X_POOL_PTR, lltype.nullptr(X_POOL))
a2 = make(22)
newpool = llop.gc_x_swap_pool(X_POOL_PTR, oldpool)
# clone a2
a2ref = lltype.cast_opaque_ptr(llmemory.GCREF, a2)
clonedata = lltype.malloc(X_CLONE)
clonedata.gcobjectptr = a2ref
clonedata.pool = newpool
llop.gc_x_clone(lltype.Void, clonedata)
a2copyref = clonedata.gcobjectptr
a2copy = lltype.cast_opaque_ptr(lltype.Ptr(A), a2copyref)
a2copy.b.x = 44
a2copy.more[0].x = 440
a2copy.more[1].x = 441
return a2.b.x * 1000000 + a2.more[0].x * 1000 + a2.more[1].x
def func():
a1 = make(111)
# start recording mallocs in a new pool
oldpool = llop.gc_x_swap_pool(X_POOL_PTR, lltype.nullptr(X_POOL))
# the following a2 goes into the new list
a2 = make(222)
# now put the old pool back and get the new pool
newpool = llop.gc_x_swap_pool(X_POOL_PTR, oldpool)
a3 = make(333)
# clone a2
a2ref = lltype.cast_opaque_ptr(llmemory.GCREF, a2)
clonedata = lltype.malloc(X_CLONE)
clonedata.gcobjectptr = a2ref
clonedata.pool = newpool
llop.gc_x_clone(lltype.Void, clonedata)
a2copyref = clonedata.gcobjectptr
a2copy = lltype.cast_opaque_ptr(lltype.Ptr(A), a2copyref)
a2copy.b.x = 444
return a1.b.x * 1000000 + a2.b.x * 1000 + a3.b.x
