def jumpifneqs_i(interpret: i.Interpret, instruction):
label_name = list(instruction)[0].text
if label_name not in interpret.label_dict.keys():
exit(52)
symb2_type, symb2_value = interpret.data_stack.pop()
if len(interpret.data_stack) == 0:
exit(56)
symb1_type, symb1_value = interpret.data_stack.pop()
if symb1_value is None or symb2_value is None:
exit(56)
if symb1_type == 'nil' or symb2_type == 'nil':
if symb1_type != symb2_type:
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type != symb2_type:
exit(53)
elif symb1_type == 'bool':
if str(symb1_value) != str(symb2_value):
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type == 'string':
symb1_value = replace_escape_sequences(symb1_value)
symb2_value = replace_escape_sequences(symb2_value)
if symb1_value != symb2_value:
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type == 'int':
if symb1_value != symb2_value:
interpret.inst_index = interpret.label_dict[label_name]
else:
exit(53)
def jumpifeq_i(interpret: i.Interpret, instruction):
label_name = list(instruction)[0].text
if label_name not in interpret.label_dict.keys():
exit(52)
symb1_type, symb1_value = interpret.get_type_and_value_of_symb(
list(instruction)[1])
symb2_type, symb2_value = interpret.get_type_and_value_of_symb(
list(instruction)[2])
if symb1_value is None or symb2_value is None:
exit(56)
if symb1_type == 'nil' or symb2_type == 'nil':
if symb1_type == symb2_type:
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type != symb2_type:
exit(53)
elif symb1_type == 'bool':
if str(symb1_value) == str(symb2_value):
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type == 'string':
symb1_value = replace_escape_sequences(symb1_value)
symb2_value = replace_escape_sequences(symb2_value)
if symb1_value == symb2_value:
interpret.inst_index = interpret.label_dict[label_name]
elif symb1_type == 'int':
if symb1_value == symb2_value:
interpret.inst_index = interpret.label_dict[label_name]
else:
exit(53)
def call_i(interpret: i.Interpret, instruction):
if list(instruction)[0].text not in interpret.label_dict.keys():
exit(52)
interpret.call_stack.append(interpret.inst_index)
interpret.inst_index = interpret.label_dict[list(instruction)[0].text]
def return_i(interpret: i.Interpret, instruction):
if len(interpret.call_stack) == 0:
exit(56)
interpret.inst_index = interpret.call_stack.pop()
def jump_i(interpret: i.Interpret, instruction):
if list(instruction)[0].text not in interpret.label_dict.keys():
exit(52)
interpret.inst_index = interpret.label_dict[list(instruction)[0].text]
