def define_hash_varsized(self):
S = lltype.GcStruct('S', ('abc', lltype.Signed),
('def', lltype.Array(lltype.Signed)))
s = lltype.malloc(S, 3, zero=True)
h_s = lltype.identityhash(s)
def f():
return lltype.identityhash(s) - h_s # != 0 (so far),
# because S is a varsized structure.
return f
def hash_whatever(TYPE, x):
# Hash of lltype object.
# Only supports strings, unicodes and regular instances,
# as well as primitives that can meaningfully be cast to Signed.
if isinstance(TYPE, lltype.Ptr) and TYPE.TO._gckind == 'gc':
if TYPE.TO is rstr.STR or TYPE.TO is rstr.UNICODE:
return rstr.LLHelpers.ll_strhash(x) # assumed not null
else:
if x:
return lltype.identityhash(x)
else:
return 0
else:
return rffi.cast(lltype.Signed, x)
def hash_whatever(TYPE, x):
# Hash of lltype object.
# Only supports strings, unicodes and regular instances,
# as well as primitives that can meaningfully be cast to Signed.
if isinstance(TYPE, lltype.Ptr) and TYPE.TO._gckind == 'gc':
if TYPE.TO is rstr.STR or TYPE.TO is rstr.UNICODE:
return rstr.LLHelpers.ll_strhash(x) # assumed not null
else:
if x:
return lltype.identityhash(x)
else:
return 0
else:
return rffi.cast(lltype.Signed, x)
def op_gc_identityhash(self, obj):
return lltype.identityhash(obj)
def _get_hash_(self):
if self.value:
return lltype.identityhash(self.value)
else:
return 0
def rd_hash(ref):
assert ref
return lltype.identityhash(ref)
def op_gc_identityhash(self, obj):
return lltype.identityhash(obj)
def ll_my_gethash(ptr):
return identityhash(ptr) # from lltype
def _ll_1_gc_identityhash(x):
return lltype.identityhash(x)
def ll_inst_hash(ins):
if not ins:
return 0 # for None
else:
return lltype.identityhash(ins)
def _get_hash_(self):
if self.value:
return lltype.identityhash(self.value)
else:
return 0
def ll_inst_hash(ins):
if not ins:
return 0 # for None
else:
return lltype.identityhash(ins)
def ll_inst_hash(ins):
if not ins:
return 0 # for None
else:
from rpython.rtyper.lltypesystem import lltype
return lltype.identityhash(ins)
def ll_my_gethash(ptr):
return identityhash(ptr) # from lltype
def _ll_1_gc_identityhash(x):
return lltype.identityhash(x)
def f():
return lltype.identityhash(s) - h_s # != 0 (so far),
