def popAssign():
POperSize = len(POper)
if POperSize > 0:
if POper[POperSize - 1] == '=':
right_operand = PilaO.pop()
right_type = PTypes.pop()
right_value = AVAIL.pop()
left_operand = PilaO.pop()
left_type = PTypes.pop()
AVAIL.pop()
operator = POper.pop()
result_type = semantic(left_type, right_type, operator)
if (result_type != 'error'):
if right_value is not None:
result = right_value
quadr = quadruple(len(Quad), operator, right_operand, None,
left_operand)
Quad.append(quadr)
else:
print("ERROR: Variable sin valor asignado.")
sys.exit()
else:
print("ERROR: Type mismatch.")
sys.exit()
return result
def popRelop(main):
POperSize = len(POper)
if POperSize > 0:
if (POper[POperSize - 1] == '>' or POper[POperSize - 1] == '>='
or POper[POperSize - 1] == '<' or POper[POperSize - 1] == '<='
or POper[POperSize - 1] == '=='
or POper[POperSize - 1] == '<>'):
right_operand = PilaO.pop()
right_type = PTypes.pop()
right_value = AVAIL.pop()
left_operand = PilaO.pop()
left_type = PTypes.pop()
left_value = AVAIL.pop()
operator = POper.pop()
result_type = semantic(left_type, right_type, operator)
if (result_type != 'error'):
if left_value is not None and right_value is not None:
if (operator == '>'):
result = left_value > right_value
elif (operator == '>='):
result = left_value >= right_value
elif (operator == '<'):
result = left_value < right_value
elif (operator == '<='):
result = left_value <= right_value
elif (operator == '=='):
result = left_value == right_value
elif (operator == '<>'):
result = left_value != right_value
if main:
dir = memo.getVirtualMainTemp(result_type)
memo.updateMainTempInMemory(result, dir, result_type)
else:
dir = memo.getVirtualTemp(result_type)
memo.updateTempInMemory(result, dir, result_type)
quadr = quadruple(len(Quad), operator, left_operand,
right_operand, dir)
Quad.append(quadr)
PilaO.append(dir)
AVAIL.append(result)
PTypes.append(result_type)
else:
print("ERROR: Variable sin valor asignado.")
sys.exit()
else:
print("ERROR: Type mismatch.")
sys.exit()
def assignFunc(id):
tipoFunc = simbolos[id].type_data
POperSize = len(POper)
if POperSize > 0:
if POper[POperSize - 1] == '=':
PilaO.pop()
PTypes.pop()
AVAIL.pop()
result = PilaO.pop()
type = PTypes.pop()
AVAIL.pop()
operator = POper.pop()
result_type = semantic(type, tipoFunc, operator)
if result_type != 'error':
quadr = quadruple(len(Quad), '=', 150000, None, result)
Quad.append(quadr)
else:
print('ERROR: Type mismatch.')
sys.exit()