def generate_exp_assign_code(self, p, q1, q2, q3):
p[0] = StatementTerminal()
p[0].place = p[1]
p[0].address = p[3].address
if isinstance(p[3], StatementTerminal):
p[0].next_list = p[3].next_list
if isinstance(p[3], LogicTerminal):
p[3].true_list_back_patch(q1)
p[3].false_list_back_patch(q2)
p[0].code = p[3].code + q1 + ': ' + p[
1] + ' = ' + '1;\n' + q3 + ': goto -;\n' + q2 + ': ' + p[
1] + ' = ' + '0;\n'
p[0].next_list = [q3]
else:
p[0].code = p[3].code + p[1] + ' = ' + p[3].get_value() + ';\n'
def generate_exp_fun_code(self, p, temp, temp2, q1, q2):
self.variables += "int " + temp + ";\n"
self.variables += "int " + temp2 + ";\n"
p[0] = StatementTerminal()
p[0].code = f'arr[stack_p] = arr_p;\n' \
f'stack_p = stack_p - 1;\n' \
f'{temp2} = 0;\n' \
f'forward_jmp(arr_p);\n' \
f'{q1}: if({temp2} == 1) goto -;\n' \
f'arr_p = arr_p + 64;\n' \
f'{temp2} = 1;\n'
p[0].next_list = [q1]
if p[1] in self.function_dict.keys():
p[0].code += f'goto {self.function_dict[p[1]]};\n'
else:
p[0].code += f'goto ?;\n'
p[0].code += f'{q2}: stack_p = stack_p + 1;\n' \
f'{temp} = arr[stack_p];\n'
p[0].place = temp
p[0].next_list_back_patch(q2)
def generate_lvalue_code(self, p, temp, temp2, temp3, q1, q2, q3):
p[0] = StatementTerminal()
p[0].address = p[3].address
p[0].place = temp
p[0].code = p[3].code + temp2 + ' = ' + p[3].get_value(
) + ' + 1;\n' + temp3 + ' = ' + p[1] + ' + ' + temp2 + ';\n'
self.variables += 'int ' + temp + ';\n'
self.variables += 'int ' + temp2 + ';\n'
self.variables += 'int ' + temp3 + ';\n'
if isinstance(p[6], StatementTerminal):
p[0].next_list = p[6].next_list
if isinstance(p[6], LogicTerminal):
p[6].true_list_back_patch(q1)
p[6].false_list_back_patch(q2)
p[0].code += p[
6].code + q1 + ": arr[" + temp3 + "] = 1;\n" + q3 + ': goto -;\n' + q2 + ": arr[" + temp3 + "] = 0;\n"
p[0].next_list = [q3]
else:
p[0].code += p[6].code + "arr[" + temp3 + "] = " + p[6].get_value(
) + ';\n'
p[0].code += temp + ' = ' + "arr[" + temp3 + "];\n"