def test_count_then_return(self):
_, result = bootstrap_function(
function_lit(
no_value_type(), build_break_types(int_type()), int_type(),
literal_op(0),
loop_op(
comma_op(
assignment_op(
context_op(), literal_op("local"),
addition_op(
dereference_op(context_op(),
literal_op("local"), True),
literal_op(1))),
condition_op(
equality_op(
dereference_op(context_op(),
literal_op("local"), True),
literal_op(42)),
return_op(
dereference_op(context_op(),
literal_op("local"))),
nop())))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_restart_into_local_initialization(self):
context = PythonObject({})
frame_manager = FrameManager()
func = prepare(
function_lit(
no_value_type(),
build_break_types(any_type(),
yield_types={
"out": any_type(),
"in": int_type()
}), int_type(),
shift_op(literal_op("hello"), int_type()),
return_op(
dereference_op(context_op(), literal_op("local"), True))),
context, frame_manager).close(None)
def start():
func.invoke(NO_VALUE, frame_manager)
with frame_manager.capture("yield") as yielder:
start()
self.assertEquals(yielder.value, "hello")
def restart():
yielder_restart_continuation = yielder.create_continuation(
start,
func.get_type().break_types)
yielder_restart_continuation.invoke(32, frame_manager)
with frame_manager.capture("return") as returner:
restart()
self.assertEquals(returner.value, 32)
def test_infer_all(self):
_, result = bootstrap_function(
function_lit(no_value_type(), infer_all(),
return_op(literal_op(42))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_to_string_from_int(self):
func = function_lit(
any_type(),
return_op(
match_op(dereference("argument"), [
prepared_function(unit_type(1), literal_op("one")),
prepared_function(unit_type(2), literal_op("two")),
prepared_function(unit_type(3), literal_op("three")),
prepared_function(unit_type(4), literal_op("four")),
prepared_function(any_type(), literal_op("invalid"))
])))
_, result = bootstrap_function(func, argument=1)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "one")
_, result = bootstrap_function(func, argument=2)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "two")
_, result = bootstrap_function(func, argument=3)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "three")
_, result = bootstrap_function(func, argument=4)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "four")
_, result = bootstrap_function(func, argument=5)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "invalid")
def test_interesting(self):
func = function_lit(
any_type(), infer_all(),
match_op(dereference("argument"), [
prepared_function(
object_type({"foo": int_type()}),
return_op(
addition_op(dereference("argument.foo"),
literal_op(3)))),
prepared_function(any_type(), return_op(literal_op("invalid")))
]))
_, result = bootstrap_function(func,
argument=PythonObject(
{"foo": 39},
bind=UniversalObjectType(
{"foo": IntegerType()})))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
_, result = bootstrap_function(func,
argument=PythonObject({"foo": "hello"}))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "invalid")
def test_return_with_dereference4(self):
_, result = bootstrap_function(function_lit(
int_type(),
build_break_types(
object_type({
"foo": any_type(),
"bar": any_type()
})),
comma_op(
return_op(
object_template_op({
"foo":
literal_op(42),
"bar":
dereference_op(context_op(), literal_op("argument"),
True)
})))),
argument=42,
check_safe_exit=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertTrue(isinstance(result.value, Universal))
get_manager(
result.value).add_composite_type(DEFAULT_READONLY_COMPOSITE_TYPE)
self.assertEquals(result.value._get("foo"), 42)
self.assertEquals(result.value._get("bar"), 42)
def test_to_match_with_one_of_type_combo(self):
func = function_lit(
one_of_type([string_type(), int_type(),
bool_type()]),
return_op(
match_op(dereference("argument"), [
prepared_function(int_type(),
literal_op("int is not a string")),
prepared_function(bool_type(),
literal_op("bool is not a string")),
prepared_function(inferred_type(), dereference("argument"))
])))
_, result = bootstrap_function(func, argument=2)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "int is not a string")
_, result = bootstrap_function(func, argument=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "bool is not a string")
_, result = bootstrap_function(func, argument="hello world")
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "hello world")
prepared_func = prepare(func, PythonObject({}), FrameManager())
self.assertEquals(len(prepared_func.break_types), 1)
self.assertTrue("return" in prepared_func.break_types)
for return_break_type in prepared_func.break_types["return"]:
self.assertTrue(StringType().is_copyable_from(
return_break_type["out"], DUMMY_REASONER))
def test_single_restart(self):
context = PythonObject({})
frame_manager = FrameManager()
func = prepare(
function_lit(
no_value_type(),
build_break_types(any_type(),
yield_types={
"out": any_type(),
"in": int_type()
}),
return_op(
addition_op(shift_op(literal_op("hello"), int_type()),
literal_op(40)))), context,
frame_manager).close(None)
def first():
func.invoke(NO_VALUE, frame_manager)
with frame_manager.capture("yield") as yielder:
first()
self.assertEquals(yielder.value, "hello")
def second():
yielder.create_continuation(first, {}).invoke(2, frame_manager)
with frame_manager.capture("return") as returner:
second()
self.assertEquals(returner.value, 42)
def test_immediate_return(self):
_, result = bootstrap_function(
function_lit(no_value_type(), build_break_types(int_type()),
loop_op(return_op(literal_op(42)))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_basic_inferrence(self):
_, result = bootstrap_function(
function_lit(no_value_type(), build_break_types(inferred_type()),
return_op(literal_op(42))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_comma(self):
_, result = bootstrap_function(function_lit(
no_value_type(), build_break_types(int_type()),
return_op(comma_op(literal_op(5), literal_op(8), literal_op(42)))),
check_safe_exit=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_static_value_dereference(self):
_, result = bootstrap_function(
function_lit(
return_op(static_op(addition_op(literal_op(5),
literal_op(37))))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_infer_exception(self):
_, result = bootstrap_function(function_lit(
no_value_type(), infer_all(),
addition_op(literal_op("hello"), literal_op(5))),
check_safe_exit=False)
self.assertEquals(result.caught_break_mode, "exception")
self.assertEquals(result.value.type, "TypeError")
def test_basic_with_inferred_local_type(self):
_, result = bootstrap_function(
function_lit(
no_value_type(), infer_all(), inferred_type(),
close_op(
static_op(
prepare_op(
literal_op(
function_lit(no_value_type(), infer_all(),
return_op(literal_op(42)))))),
context_op()),
return_op(
invoke_op(
dereference_op(context_op(), literal_op("local"),
True)))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_basic(self):
_, result = bootstrap_function(
function_lit(
no_value_type(), build_break_types(int_type()),
return_op(
invoke_op(
close_op(
static_op(
prepare_op(
literal_op(
function_lit(
no_value_type(),
build_break_types(int_type()),
return_op(literal_op(42)))))),
context_op())))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_basic_function(self):
func = function_lit(no_value_type(),
build_break_types(value_type=int_type()),
literal_op(42))
_, result = bootstrap_function(func)
self.assertEquals(result.caught_break_mode, "value")
self.assertEquals(result.value, 42)
def test_addition(self):
func = function_lit(
no_value_type(), build_break_types(int_type()),
return_op(addition_op(literal_op(40), literal_op(2))))
_, result = bootstrap_function(func)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_basic_false(self):
_, result = bootstrap_function(
function_lit(
no_value_type(), build_break_types(int_type()),
return_op(
condition_op(literal_op(False), literal_op(34),
literal_op(53)))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 53)
def test_simple_return_argument(self):
func = function_lit(
int_type(), build_break_types(int_type()),
return_op(
dereference_op(context_op(), literal_op("argument"), True)))
_, result = bootstrap_function(func, argument=42)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_initialization(self):
_, result = bootstrap_function(function_lit(
no_value_type(), build_break_types(int_type()), int_type(),
literal_op(42),
comma_op(
return_op(
dereference_op(context_op(), literal_op("local"), True)))),
check_safe_exit=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_unbound_reference_to_locals_and_arguments(self):
_, result = bootstrap_function(function_lit(
object_type({"foo": int_type()}), infer_all(),
object_type({"bar": int_type()}),
object_template_op({"bar": literal_op(3)}),
return_op(
addition_op(unbound_dereference("foo"),
unbound_dereference("bar")))),
argument=PythonObject({"foo": 39}))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_return(self):
_, result = bootstrap_function(function_lit(
no_value_type(), build_break_types(object_type({"foo":
int_type()})),
comma_op(return_op(object_template_op({"foo": literal_op(42)})))),
check_safe_exit=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertTrue(isinstance(result.value, Universal))
get_manager(
result.value).add_composite_type(DEFAULT_READONLY_COMPOSITE_TYPE)
self.assertEquals(result.value._get("foo"), 42)
def build_executor(raw_code):
return function_lit(
transform_op(
"yield", "read",
reset_op(
close_op(
static_op(
prepare_op(
literal_op(
parse(raw_code,
post_chain_function=CodeBlockBuilder(
[build_looper()]))))), context_op()),
nop())))
def test_catch_real_exception(self):
# Function safely handles an internal exception
func = function_lit(
try_catch_op(
dereference_op(context_op(), literal_op("foo"), True),
prepared_function(
object_type({
"type": const_string_type(),
"message": const_string_type(),
}), return_op(dereference("argument.message"))), nop()))
_, result = bootstrap_function(func)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, "DereferenceOp: invalid_dereference")
def test_assignment_from_argument(self):
_, result = bootstrap_function(function_lit(
int_type(), build_break_types(int_type()), int_type(),
literal_op(0),
comma_op(
assignment_op(
context_op(), literal_op("local"),
dereference_op(context_op(), literal_op("argument"),
True)),
return_op(
dereference_op(context_op(), literal_op("local"), True)))),
argument=43,
check_safe_exit=True)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 43)
def test_restart_comma(self):
context = PythonObject({})
frame_manager = FrameManager()
func = prepare(
function_lit(
no_value_type(),
build_break_types(int_type(),
yield_types={
"out": any_type(),
"in": int_type()
}),
return_op(
comma_op(literal_op(5),
shift_op(literal_op("first"), int_type()),
shift_op(literal_op("second"), int_type())))),
context, frame_manager).close(None)
def first():
func.invoke(NO_VALUE, frame_manager)
with frame_manager.capture("yield") as first_yielder:
first()
self.assertEquals(first_yielder.value, "first")
def second():
first_yield_restart_continuation = first_yielder.create_continuation(
first,
func.get_type().break_types)
first_yield_restart_continuation.invoke(4, frame_manager)
with frame_manager.capture("yield") as second_yielder:
second()
self.assertEquals(second_yielder.value, "second")
def third():
second_yield_restart_continuation = second_yielder.create_continuation(
second,
func.get_type().break_types)
second_yield_restart_continuation.invoke(42, frame_manager)
with frame_manager.capture("return") as returner:
third()
self.assertEquals(returner.value, 42)
def test_misc1(self):
_, result = bootstrap_function(
function_lit(
no_value_type(), infer_all(),
object_type({
"foo": int_type(),
"bar": int_type()
}),
object_template_op({
"foo": literal_op(39),
"bar": literal_op(3)
}),
return_op(
addition_op(dereference("local.foo"),
dereference("local.bar")))))
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def test_restart_into_local_initialization_and_code(self):
context = PythonObject({})
frame_manager = FrameManager()
func = prepare(
function_lit(
no_value_type(),
build_break_types(any_type(),
yield_types={
"out": any_type(),
"in": int_type()
}), int_type(),
shift_op(literal_op("first"), int_type()),
return_op(
addition_op(
dereference_op(context_op(), literal_op("local"),
True),
shift_op(literal_op("second"), int_type())))), context,
frame_manager).close(None)
def first():
func.invoke(NO_VALUE, frame_manager)
with frame_manager.capture("yield") as first_yielder:
first()
self.assertEquals(first_yielder.value, "first")
def second():
first_restart_continuation = first_yielder.create_continuation(
first,
func.get_type().break_types)
first_restart_continuation.invoke(40, frame_manager)
with frame_manager.capture("yield") as second_yielder:
second()
self.assertEquals(second_yielder.value, "second")
with frame_manager.capture("return") as returner:
second_restart_continuation = second_yielder.create_continuation(
first,
func.get_type().break_types)
second_restart_continuation.invoke(2, frame_manager)
self.assertEquals(returner.value, 42)
def test_return_with_dereference5(self):
with self.assertRaises(Exception):
bootstrap_function(function_lit(
int_type(),
build_break_types(
object_type({
"foo": any_type(),
"bar": unit_type(42)
})),
return_op(
object_template_op({
"foo":
literal_op(42),
"bar":
dereference_op(context_op(), literal_op("argument"),
True)
}))),
argument=42,
check_safe_exit=True)
def test_slightly_strange_try_catch(self):
# Function either throws the same string back at you, or returns an int +1
func = function_lit(
one_of_type([string_type(), int_type()]),
try_catch_op(
throw_op(dereference("argument")),
prepared_function(
int_type(),
return_op(
addition_op(literal_op(1), dereference("argument")))),
nop()))
_, result = bootstrap_function(func,
argument="hello world",
check_safe_exit=False)
self.assertEquals(result.caught_break_mode, "exception")
self.assertEquals(result.value, "hello world")
_, result = bootstrap_function(func,
argument=41,
check_safe_exit=False)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
