def dictionary_item_writing():
"""Проверка на запись элемента списка"""
args = [128, 64, 256]
write.entity(0, "dictionary_item", args)
display.entity(0)
change.dictionary_item_part(0, "key", 48)
display.entity(0)
def stack(num, obj_type, value):
check_type("stack", obj_type)
obj_size = memory_control.determine_object_size(obj_type, value)
top = find.attribute(num, "first_empty_cell")
place = check_free_place(num, obj_size)
check_stack_overflow(num, place)
write.entity(top, obj_type, value)
change_stack(num, top + obj_size, top, place)
def entity_writing():
"""Проверка на запись объектов"""
entities = [[0, "none", None], [0, "link", 1000], [0, "command", 15],
[0, "logic", 1], [0, "number", 255], [0, "chars", "something"]]
for entity in entities:
write.entity(*entity)
display.cell(0)
display.cell(1)
display.entity(0)
def Pop(arg):
arg_type, arg_value = arg
if arg_type == "none":
link_type, link = pull.memory_stack()
elif arg_type == "link":
link_type, link_value = pull.memory_stack()
write.entity(arg_value, "link", link_value)
else:
raise UndefinedArgument(f"Поведение команды Pop с аргументом типа"
f"{arg_type} не определено")
def relative_links(num):
data_begin = find.attribute(num, "data_begin")
data_end = find.attribute(num, "segment_end")
index = data_begin
while index < data_end:
obj_type, obj_value = read.entity(index)
if obj_type == "link":
write.entity(index, "link", data_begin + obj_value)
index += memory_control.determine_object_size(obj_type, obj_value)
elif obj_type == "chars":
index += memory_control.determine_object_size(obj_type, obj_value)
else:
index += 2
def stack(num):
top = find.attribute(num, "first_empty_cell")
data_begin = find.attribute(num, "data_begin")
if top == data_begin:
stack_type = find.attribute(num, "type")
raise LowerCommandError(f"Стек {seg_types[stack_type]} пуст при "
f"попытке извлечения")
last_cell = find.attribute(num, "last_full_cell")
free_cells = find.attribute(num, "free_cells")
obj_type, obj_value = read.entity(last_cell)
write.entity(last_cell, "none", None)
change_stack(num, top - types_length["link"],
last_cell - types_length["link"],
free_cells + types_length["link"])
return obj_type, obj_value
def data_segment(num, obj_type, value):
top = find.attribute(num, "first_empty_cell")
obj_size = memory_control.determine_object_size(obj_type, value)
place = check_free_place(num, obj_size)
if place >= 0:
write.entity(top, obj_type, value)
change_data(num, top + obj_size, place)
index = top
else:
if not find.is_last(num):
next_num = find.attribute(num, "next_segment")
index = data_segment(next_num, obj_type, value)
else:
new_num = extend.data_segment(num)
index = data_segment(new_num, obj_type, value)
return index
def Equate(receiver, source):
left_type, left_value = receiver
if left_type != "link":
raise UndefinedArgument(f"Приравнивание командой Eqt для приёмника "
f"типа {left_type} не определено")
rec_type, rec_value = link.get_link(left_value)
if rec_type != "link":
raise UndefinedBehaviour(f"Приравнивание типа {rec_type} командой Eqt "
f"не определено")
right_type, right_value = source
if right_type != "link":
raise UndefinedArgument(f"Приравнивание командой Eqt для источника "
f"типа {right_type} не определено")
src_type, src_value = link.get_link(right_value)
if src_type == "link":
obj_type, obj_value = link.get_link(src_value)
copy_num = make.entity(obj_type, obj_value)
write.entity(left_value, "link", copy_num)
else:
write.entity(left_value, "link", right_value)
append.memory_stack("link", 0)
def dictionary_item_part(num, part, value):
if part == "dictionary":
write.entity(num + 2, "link", value)
elif part == "key":
write.entity(num + 4, "link", value)
elif part == "value":
write.entity(num + 6, "link", value)
else:
raise LowerCommandError(f"Несуществующий атрибут элемента словаря "
f"{part}")
def array_writing():
"""Проверка на запись массива"""
write.entity(0, "array", [5, 10, 15, 20, 25])
display.entity(0)
def attribute(num, name, value):
index, kind = find_attribute(num, name)
write.entity(index, kind, value)