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_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_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_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_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_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_doubler(self):
func = function_lit(
int_type(), build_break_types(int_type()),
return_op(
addition_op(
dereference_op(context_op(), literal_op("argument"), True),
dereference_op(context_op(), literal_op("argument"),
True))))
_, result = bootstrap_function(func, argument=21)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.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_repeated_restart(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(
addition_op(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_yielder_continuation = first_yielder.create_continuation(
first, {})
first_yielder_continuation.invoke(39, frame_manager)
with frame_manager.capture("yield") as second_yielder:
second()
self.assertEquals(second_yielder.value, "second")
def third():
second_yielder_continuation = second_yielder.create_continuation(
second, {})
second_yielder_continuation.invoke(3, frame_manager)
with frame_manager.capture() as returner:
third()
self.assertEquals(returner.value, 42)
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)
def test_add_locals(self):
func = function_lit(
no_value_type(), build_break_types(int_type()),
return_op(
addition_op(
dereference_op(
dereference_op(
dereference_op(context_op(), literal_op("outer"),
True), literal_op("local"), True),
literal_op(0), True),
dereference_op(
dereference_op(
dereference_op(context_op(), literal_op("outer"),
True), literal_op("local"), True),
literal_op(1), True))))
context = PythonObject(
{
"local":
PythonList([39, 3]),
"_types":
PythonObject({
"local":
UniversalTupleType([IntegerType(),
IntegerType()])
})
},
bind=UniversalObjectType({
"local":
UniversalTupleType([IntegerType(),
IntegerType()]),
"_types":
DEFAULT_READONLY_COMPOSITE_TYPE
}))
_, result = bootstrap_function(func, outer_context=context)
self.assertEquals(result.caught_break_mode, "return")
self.assertEquals(result.value, 42)
def get_default_global_context():
return PythonObject(
{
"static":
PythonObject(
{
"any":
PythonObject({"type": "Any"},
debug_reason="default-global-context"),
"int":
PythonObject({"type": "Integer"},
debug_reason="default-global-context"),
"bool":
PythonObject({"type": "Boolean"},
debug_reason="default-global-context"),
"string":
PythonObject({"type": "String"},
debug_reason="default-global-context"),
"void":
PythonObject({"type": "NoValue"},
debug_reason="default-global-context"),
"var":
PythonObject({"type": "Inferred"},
debug_reason="default-global-context"),
"range":
prepare(
function_lit(
list_type([int_type(), int_type()], None),
infer_all(), int_type(), dereference("argument.0"),
prepared_function(
loop_op(
condition_op(
binary_integer_op(
"lt", dereference("outer.local"),
dereference("outer.argument.1")),
comma_op(
shift_op(
dereference("outer.local"),
no_value_type()),
assignment_op(
dereference("outer"),
literal_op("local"),
addition_op(
dereference("outer.local"),
literal_op(1)))),
transform_op("break"))))), NO_VALUE,
FrameManager()).close(NO_VALUE),
"list":
prepare(
function_lit(
list_type([
function_type(
no_value_type(), {
"yield":
list_template_op([
object_template_op(
{
"in": no_value_type(),
"out": int_type()
})
]),
"value":
list_template_op([
object_template_op(
{"out": no_value_type()})
]),
}),
], None), infer_all(), inferred_type(),
dereference("argument.0"),
loop_op(
invoke_op(
local_function(
transform(
("yield", "value"),
("value", "end"),
reset_op(
dereference("outer.local"),
nop())),
comma_op(
assignment_op(
dereference("outer"),
literal_op("local"),
dereference(
"local.continuation")),
transform_op(
"value", "continue",
dereference("local.value"))))))
), NO_VALUE, FrameManager()).close(NO_VALUE),
"max":
prepare(
function_lit(
list_type([int_type()], int_type()), infer_all(),
inferred_type(), dereference("argument.0"),
comma_op(
map_op(
dereference("argument"),
prepared_function(
int_type(),
condition_op(
binary_integer_op(
"gt", dereference("argument"),
dereference("outer.local")),
assignment_op(
dereference("outer"),
literal_op("local"),
dereference("argument")),
nop()))), dereference("local"))),
NO_VALUE, FrameManager()).close(NO_VALUE),
},
debug_reason="default-global-context")
},
bind=DEFAULT_READONLY_COMPOSITE_TYPE,
debug_reason="default-global-context")
def test_without_infer_exception_fails(self):
with self.assertRaises(Exception):
bootstrap_function(
function_lit(no_value_type(), build_break_types(int_type()),
addition_op(literal_op("hello"), literal_op(5))))
def visitAddition(self, ctx):
lvalue, rvalue = ctx.expression()
lvalue = self.visit(lvalue)
rvalue = self.visit(rvalue)
return addition_op(lvalue, rvalue)