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import py
import sys
import copy
from rpython.rlib.rerased import *
from rpython.rlib.rerased import _some_erased
from rpython.annotator import model as annmodel
from rpython.annotator.annrpython import RPythonAnnotator
from rpython.rtyper.rclass import OBJECTPTR
from rpython.rtyper.lltypesystem import lltype, llmemory
from rpython.rtyper.test.tool import BaseRtypingTest
def make_annotator():
a = RPythonAnnotator()
a.translator.config.translation.taggedpointers = True
return a
class X(object):
pass
class Y(X):
pass
class Z(X):
pass
eraseX, uneraseX = new_erasing_pair("X")
erase_list_X, unerase_list_X = new_erasing_pair("list of X")
def test_simple():
x1 = X()
e = eraseX(x1)
#assert is_integer(e) is False
assert uneraseX(e) is x1
def test_simple_none():
e = eraseX(None)
assert uneraseX(e) is None
def test_simple_int():
e = erase_int(15)
#assert is_integer(e) is True
assert unerase_int(e) == 15
def test_simple_int_overflow():
erase_int(sys.maxint//2)
py.test.raises(OverflowError, erase_int, sys.maxint//2 + 1)
py.test.raises(OverflowError, erase_int, sys.maxint)
py.test.raises(OverflowError, erase_int, sys.maxint-1)
py.test.raises(OverflowError, erase_int, -sys.maxint)
py.test.raises(OverflowError, erase_int, -sys.maxint-1)
def test_list():
l = [X()]
e = erase_list_X(l)
#assert is_integer(e) is False
assert unerase_list_X(e) is l
def test_deepcopy():
x = "hello"
e = eraseX(x)
e2 = copy.deepcopy(e)
assert uneraseX(e) is x
assert uneraseX(e2) is x
def test_annotate_1():
def f():
return eraseX(X())
a = make_annotator()
s = a.build_types(f, [])
assert s == _some_erased()
def test_annotate_2():
def f():
x1 = X()
e = eraseX(x1)
#assert not is_integer(e)
x2 = uneraseX(e)
return x2
a = make_annotator()
s = a.build_types(f, [])
assert isinstance(s, annmodel.SomeInstance)
assert s.classdef == a.bookkeeper.getuniqueclassdef(X)
def test_annotate_3():
def f():
e = erase_int(16)
#assert is_integer(e)
x2 = unerase_int(e)
return x2
a = make_annotator()
s = a.build_types(f, [])
assert isinstance(s, annmodel.SomeInteger)
def test_annotate_erasing_pair():
erase, unerase = new_erasing_pair("test1")
erase2, unerase2 = new_erasing_pair("test2")
class Foo:
pass
#
def make(n):
if n > 5:
return erase([5, 6, n-6])
else:
foo = Foo()
foo.bar = n+1
return erase2(foo)
def check(x, n):
if n > 5:
return unerase(x)[2]
else:
return unerase2(x).bar
def f(n):
x = make(n)
return check(x, n)
#
a = make_annotator()
s = a.build_types(f, [int])
assert isinstance(s, annmodel.SomeInteger)
def test_annotate_reflowing():
erase, unerase = new_erasing_pair("test1")
class A: pass
class B(A): pass
class C(B): pass
class D(C): pass
def f():
x = erase(None)
while True:
inst = unerase(x)
if inst is None:
inst = D()
x = erase(inst)
elif isinstance(inst, D):
inst = C()
x = erase(inst)
elif isinstance(inst, C):
inst = B()
x = erase(inst)
elif isinstance(inst, B):
inst = A()
x = erase(inst)
else:
return inst
#
a = make_annotator()
s = a.build_types(f, [])
assert isinstance(s, annmodel.SomeInstance)
assert s.classdef == a.bookkeeper.getuniqueclassdef(A)
def test_annotate_prebuilt():
erase, unerase = new_erasing_pair("test1")
class X(object):
pass
x1 = X()
e1 = erase(x1)
e2 = erase(None)
def f(i):
if i:
e = e1
else:
e = e2
return unerase(e)
#
a = make_annotator()
s = a.build_types(f, [int])
assert isinstance(s, annmodel.SomeInstance)
assert s.classdef == a.bookkeeper.getuniqueclassdef(X)
assert s.can_be_none()
def test_annotate_prebuilt_int():
e1 = erase_int(42)
def f(i):
return unerase_int(e1)
a = make_annotator()
s = a.build_types(f, [int])
assert isinstance(s, annmodel.SomeInteger)
class TestRErased(BaseRtypingTest):
ERASED_TYPE = llmemory.GCREF
UNERASED_TYPE = OBJECTPTR
def castable(self, TO, var):
return lltype.castable(TO, lltype.typeOf(var)) > 0
def interpret(self, *args, **kwargs):
kwargs["taggedpointers"] = True
return BaseRtypingTest.interpret(*args, **kwargs)
def test_rtype_1(self):
def f():
return eraseX(X())
x = self.interpret(f, [])
assert lltype.typeOf(x) == self.ERASED_TYPE
def test_rtype_2(self):
def f():
x1 = X()
e = eraseX(x1)
#assert not is_integer(e)
x2 = uneraseX(e)
return x2
x = self.interpret(f, [])
assert self.castable(self.UNERASED_TYPE, x)
def test_rtype_3(self):
def f():
e = erase_int(16)
#assert is_integer(e)
x2 = unerase_int(e)
return x2
x = self.interpret(f, [])
assert x == 16
def test_prebuilt_erased(self):
e1 = erase_int(16)
x1 = X()
x1.foobar = 42
e2 = eraseX(x1)
def f():
#assert is_integer(e1)
#assert not is_integer(e2)
x1.foobar += 1
x2 = unerase_int(e1) + uneraseX(e2).foobar
return x2
x = self.interpret(f, [])
assert x == 16 + 42 + 1
def test_prebuilt_erased_in_instance(self):
erase_empty, unerase_empty = new_erasing_pair("empty")
class FakeList(object):
pass
x1 = X()
x1.foobar = 42
l1 = FakeList()
l1.storage = eraseX(x1)
l2 = FakeList()
l2.storage = erase_empty(None)
def f():
#assert is_integer(e1)
#assert not is_integer(e2)
x1.foobar += 1
x2 = uneraseX(l1.storage).foobar + (unerase_empty(l2.storage) is None)
return x2
x = self.interpret(f, [])
assert x == 43 + True
def test_overflow(self):
def f(i):
try:
e = erase_int(i)
except OverflowError:
return -1
#assert is_integer(e)
return unerase_int(e)
x = self.interpret(f, [16])
assert x == 16
x = self.interpret(f, [sys.maxint])
assert x == -1
def test_none(self):
def foo():
return uneraseX(eraseX(None))
assert foo() is None
res = self.interpret(foo, [])
assert not res
#
def foo():
eraseX(X())
return uneraseX(eraseX(None))
assert foo() is None
res = self.interpret(foo, [])
assert not res
def test_rtype_list(self):
prebuilt_l = [X()]
prebuilt_e = erase_list_X(prebuilt_l)
def l(flag):
if flag == 1:
l = [X()]
e = erase_list_X(l)
elif flag == 2:
l = prebuilt_l
e = erase_list_X(l)
else:
l = prebuilt_l
e = prebuilt_e
#assert is_integer(e) is False
assert unerase_list_X(e) is l
self.interpret(l, [0])
self.interpret(l, [1])
self.interpret(l, [2])
def test_rtype_store_in_struct(self):
erase, unerase = new_erasing_pair("list of ints")
S = lltype.GcStruct('S', ('gcref', llmemory.GCREF))
def make_s(l):
s = lltype.malloc(S)
s.gcref = erase(l)
return s
def l(flag):
l = [flag]
if flag > 5:
s = make_s(l)
p = s.gcref
else:
p = erase(l)
assert unerase(p) is l
self.interpret(l, [3])
self.interpret(l, [8])
def test_union():
s_e1 = _some_erased()
s_e1.const = 1
s_e2 = _some_erased()
s_e2.const = 3
assert not annmodel.pair(s_e1, s_e2).union().is_constant()
# ____________________________________________________________
def test_erasing_pair():
erase, unerase = new_erasing_pair("test1")
class X:
pass
x = X()
erased = erase(x)
assert unerase(erased) is x
#
erase2, unerase2 = new_erasing_pair("test2")
py.test.raises(AssertionError, unerase2, erased)
|
