def check_plusminus_operator(quadruple):
workingStack = quadruple.getWorkingStack()
if workingStack:
if workingStack[-1] == '+' or workingStack[-1] == '-':
right_operand = quadruple.pilaO.pop()
right_type = helpers.getTypeV2(right_operand)
left_operand = quadruple.pilaO.pop()
left_type = helpers.getTypeV2(left_operand)
operator = workingStack.pop()
if quadruple.pOper:
quadruple.pOper.pop()
result_type = SemanticCube[operator][left_type][right_type]
symbolTable.getCurrentScope().setLatestType(result_type)
if result_type != 'TYPE MISMATCH':
# get next temp memory depending on type
keyword = ''
if symbolTable.getCurrentScope().getContext() == 'global':
keyword = 'global'
else:
keyword = 'local'
tempAddressPointer = getPointingScope(symbolTable.getCurrentScope()).memory.memSpace[keyword][result_type]['temp']
tempAddress = tempAddressPointer.getInitialAddress() + tempAddressPointer.getOffset()
quadruple.pilaO.append(tempAddress)
symbolTable.getCurrentScope().setLatestExpValue(result_type)
quadruple.saveQuad(operator,left_operand,right_operand, tempAddress)
global tempCounter
symbolTable.getCurrentScope().getScopeTemps()[tempCounter] = (Variable('', result_type, 0, [], tempAddressPointer.getOffset(), False, tempAddressPointer, False))
tempCounter += 1
tempAddressPointer.setOffset()
else:
raise Exception('ERROR! Type Mismatch') #type mismatch
def endDim(var):
current = symbolTable.getCurrentScope()
aux = quadruple.pilaO.pop()
varPointerDimNodes = var.getDimensionNodes()
keyword = ''
if symbolTable.getCurrentScope().getContext() == 'global':
keyword = 'global'
else:
keyword = 'local'
currType = helpers.getTypeV2(quadruple.pilaO[-1])
tempAddressPointer = getPointingScope(symbolTable.getCurrentScope()).memory.memSpace[keyword][currType]['temp']
tempAddress = tempAddressPointer.getInitialAddress() + tempAddressPointer.getOffset()
quadruple.saveQuad("+a", aux, varPointerDimNodes[var.getDimensions()-1].getOffset(), tempAddress)
global tempCounter
symbolTable.getCurrentScope().getScopeTemps()[tempCounter] = (Variable('', currType, 0, [], tempAddressPointer.getOffset(), False, tempAddressPointer, False))
tempCounter += 1
tempAddressPointer.setOffset()
tempAddress2 = tempAddressPointer.getInitialAddress() + tempAddressPointer.getOffset()
quadruple.saveQuad("+a", tempAddress, var.getVirtualAddress(), tempAddress2)
symbolTable.getCurrentScope().getScopeTemps()[tempCounter] = (Variable('', currType, 0, [], tempAddressPointer.getOffset(), False, tempAddressPointer, False))
tempCounter += 1
quadruple.pilaO.pop() # gets rid of dirBase
tempAddressPointer.setOffset()
quadruple.pilaO.append([tempAddress2])
quadruple.pOper.pop() # eliminates fake bottom
quadruple.pilaDim.pop()
current.resetLatestDimension()
return True
def enterCond():
res = quadruple.pilaO.pop()
resType = helpers.getTypeV2(res)
if resType != 'boo':
raise Exception("ERROR! Conditional must have boolean value")
quadruple.saveQuad('gotoF', res, -1, TBD())
jumps.setStackPush(quadruple.quadCounter - 1)
def verifyParamMatch(cont):
incoming = quadruple.pilaO.pop()
incoming_type = helpers.getTypeV2(incoming)
original = symbolTable.getCurrentScope().getCurrentFunctionParams()[cont]
if incoming_type != original.getVarType():
raise Exception("ERROR! Parameter mismatch")
else:
quadruple.saveQuad('param', incoming, -1, cont + 1)
return cont
def expression_evaluation(p):
if not quadruple.pOper or quadruple.pOper[-1] == '=' or quadruple.pOper[-1] == 'print':
if not quadruple.pOper:
# if it comes from a conditional
if p[-2] == 'if' or p[-3] == 'while':
condHelpers.enterCond()
# regular assignments
elif quadruple.pOper[-1] == '=':
right_operand = quadruple.pilaO.pop() # this should be a value
left_operand = quadruple.pilaO.pop() # this should be an id
right_type = helpers.getTypeV2(right_operand)
left_type = helpers.getTypeV2(left_operand)
if right_type == left_type:
quadruple.saveQuad('=', right_operand, -1 ,left_operand)
else:
raise Exception("ERROR! cannot assign type {} to {}".format(left_type, right_type))
quadruple.pOper.pop()
# print statements
elif quadruple.pOper[-1] == 'print' and not symbolTable.getCurrentScope().getMatchingParams():
print_operand = quadruple.pilaO.pop() # this should be the value to print
quadruple.saveQuad('print', -1, -1, print_operand)
# verifying array dimensions
elif quadruple.pOper[-1] == '$':
lsPointer = quadruple.pilaDim[-1]["id"].getDimensionNodes()
currentDim = quadruple.pilaDim[-1]["dim"]
quadruple.saveQuad("verify", quadruple.pilaO[-1], 0, lsPointer[currentDim-1].getLim()) # -1 because array index
keyword = ''
if symbolTable.getCurrentScope().getContext() == 'global':
keyword = 'global'
else:
keyword = 'local'
currType = helpers.getTypeV2(quadruple.pilaO[-1])
tempAddressPointer = getPointingScope(symbolTable.getCurrentScope()).memory.memSpace[keyword][currType]['temp']
tempAddress = tempAddressPointer.getInitialAddress() + tempAddressPointer.getOffset()
global tempCounter
# if array has another dimension still, multiply S1 by MDim1
if len(lsPointer) > currentDim:
aux = quadruple.pilaO.pop()
quadruple.saveQuad("*a", aux, lsPointer[currentDim-1].getMDim(), tempAddress)
symbolTable.getCurrentScope().getScopeTemps()[tempCounter] = (Variable('', currType, 0, [], tempAddressPointer.getOffset(), False, tempAddressPointer, False))
tempCounter += 1
quadruple.pilaO.append(tempAddress)
tempAddressPointer.setOffset()
# if array has more than 1 dimension, generate quads
if currentDim > 1:
left_operand = quadruple.pilaO.pop()
right_operand = quadruple.pilaO.pop()
tempAddress = tempAddressPointer.getInitialAddress() + tempAddressPointer.getOffset()
quadruple.saveQuad("+", left_operand, right_operand, tempAddress)
symbolTable.getCurrentScope().getScopeTemps()[tempCounter] = (Variable('', currType, 0, [], tempAddressPointer.getOffset(), False, tempAddressPointer, False))
tempCounter += 1
quadruple.pilaO.append(tempAddress)
tempAddressPointer.setOffset()
# check that void functions do not have return values
elif quadruple.pOper[-1] == 'return':
if symbolTable.getCurrentScope().getScopeType() == 'void':
if quadruple.pilaO[-1]:
raise Exception("ERROR! Void functions cannot return values")
expValue = quadruple.pilaO.pop()
expValueType = helpers.getTypeV2(expValue)
if expValueType != symbolTable.getCurrentScope().getScopeType():
raise Exception("ERROR! Type mismatch in returning function")
# if void, return should have no expValue
quadruple.saveQuad('return', -1, -1, expValue)
quadruple.pOper.pop()
def execute(self):
global arrParam
global paramCont
global returnVal
operCode = self.__quadList[self.__nextPointer].getOp()
while (operCode < 28):
currentQuad = self.__quadList[self.__nextPointer]
if operCode == 1: #sumar
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Adding null values")
res = self.add(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 2: #restar
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Subtracting null values")
res = self.subtract(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 3: # multiplicar
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Multiplying null values")
res = self.multiply(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 4: #dividir
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Dividing null values")
res = self.divide(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 5: # assign
pointerValLeft = self.returnIsArray(currentQuad.getLeft())
pointerValRes = self.returnIsArray(currentQuad.getRes())
pointerLeft = self.getPointerType(currentQuad.getLeft())
pointerRes = self.getPointerType(currentQuad.getRes())
assignTo = pointerRes
if isinstance(currentQuad.getLeft(), str):
assignTo[pointerValRes] = returnVal
returnVal = None
else:
assignWhat = pointerLeft
self.assign(assignWhat, pointerValLeft, assignTo, pointerValRes)
self.__nextPointer += 1
elif operCode == 6: # less than
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.lt(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 7: # greater than
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.gt(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 8: # less than equals
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.lte(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 9: # greater than equals
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.gte(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 10: # equal
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.equal(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 11: # not equal
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.notEqual(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 12: # and
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.andFunc(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
elif operCode == 13: # or
pointersVal = self.binaryOps(self.returnIsArray(currentQuad.getLeft()), self.returnIsArray(currentQuad.getRight()), self.returnIsArray(currentQuad.getRes()))
pointers = self.binaryOps(self.getPointerType(pointersVal[0]), self.getPointerType(pointersVal[1]), self.getPointerType(pointersVal[2]))
if pointers[0][pointersVal[0]] == None or pointers[1][pointersVal[1]] == None:
raise Exception("ERROR! Comparing null values")
res = self.orFunc(pointers[0][pointersVal[0]], pointers[1][pointersVal[1]])
self.assignValueToDir(res, pointers[2], pointersVal[2])
self.__nextPointer += 1
# TODO PRINT
elif operCode == 14:
pointerVal = self.returnIsArray(currentQuad.getRes())
self.printLine(self.getPointerType(pointerVal)[pointerVal])
self.__nextPointer += 1
# TODO READ
elif operCode == 15:
pointerVal = self.returnIsArray(currentQuad.getRes())
toReadPointer = self.getPointerType(pointerVal)
res = self.readLine(helpers.getTypeV2(pointerVal))
self.assignValueToDir(int(res), toReadPointer, currentQuad.getRes())
self.__nextPointer += 1
elif operCode == 16: # goto
self.__nextPointer = currentQuad.getRes()
elif operCode == 17: # gotoF
tempAddress = currentQuad.getLeft()
tempType = self.getPointerType(tempAddress)
if tempType[tempAddress]:
self.__nextPointer += 1
else:
self.__nextPointer = currentQuad.getRes()
elif operCode == 18: # gotoV
tempAddress = currentQuad.getLeft()
tempType = self.getPointerType(tempAddress)
if not tempType[tempAddress]:
self.__nextPointer += 1
else:
self.__nextPointer = currentQuad.getRes()
elif operCode == 19: # goSub
global scopePointer
funcName = list(scopePointer)[0]
scopePointer[funcName]["arrParam"] = arrParam
arrParam = []
VM.get().pushCallStack(scopePointer, self.__nextPointer + 1)
calledFunction = VM.get().topCallStack()
self.__nextPointer = calledFunction[funcName]["start"]
elif operCode == 20: # era
arrParam = []
if currentQuad.getRes() != -1:
self.era(currentQuad.getLeft(), currentQuad.getRight(), currentQuad.getRes())
else:
self.era(currentQuad.getLeft(), currentQuad.getRight(), None)
elif operCode == 21: # param
paramDir = currentQuad.getLeft()
paramPoint = self.getPointerType(paramDir)
self.param(paramPoint, paramDir)
self.__nextPointer += 1
elif operCode == 22: # endfunc
# regresa a migajita de pan
mem = MainMemory.instantiate()
funcName = list(self.topCallStack())[0]
goHere = mem.getLocalTop()["goHere"]
endingFunc = self.popCallStack()
endingLocal = mem.popLocalTop()
self.__nextPointer = goHere
currentQuad = self.__quadList[self.__nextPointer]
# it returns to main (or global)
elif operCode == 23: # verify
verDir = currentQuad.getLeft()
verVal = self.getPointerType(verDir)
valToSend = verVal[verDir]
upperLim = currentQuad.getRes()
self.ver(valToSend, upperLim)
self.__nextPointer += 1
elif operCode == 24: # return
retAddress = currentQuad.getRes()
retPointer = self.getPointerType(retAddress)
returnVal = self.funcReturn(retPointer, retAddress)
# regresa a migajita de pan
mem = MainMemory.instantiate()
funcName = list(self.topCallStack())[0]
goHere = mem.getLocalTop()["goHere"]
endingFunc = self.popCallStack()
endingLocal = mem.popLocalTop()
self.__nextPointer = goHere
currentQuad = self.__quadList[self.__nextPointer]
if not self.__callStack: # return to sleeping function
# it returns to main (or global)
globalDir = currentQuad.getRes()
if getClassification(globalDir) == 'global':
globalDirVal = mem.getGlobal()
elif getClassification(globalDir) == 'local':
globalDirVal = mem.getLocalTop()
else:
globalDirVal = mem.getConstants()
self.assignValueToDir(returnVal, globalDirVal, globalDir)
self.__nextPointer += 1
else:
currLocal = mem.getLocalTop()
newDir = currentQuad.getRes()
newVal = self.getPointerType(newDir)
self.assignValueToDir(returnVal, newVal, newDir)
self.__nextPointer += 1
elif operCode == 25: # end
# create a space in the stack with the local memory
self.end()
print("TERMINO CON EXITO")
return True
# self.__nextPointer += 1
elif operCode == 26: # add from arrays
# comes from array
leftDir = currentQuad.getLeft()
leftVal = self.getPointerType(leftDir)
resDir = currentQuad.getRes()
resVal = self.getPointerType(resDir)
res = self.add(leftVal[leftDir], currentQuad.getRight())
self.assignValueToDir(res, resVal, resDir)
self.__nextPointer += 1
elif operCode == 27: # add from arrays
# comes from array
leftDir = currentQuad.getLeft()
leftVal = self.getPointerType(leftDir)
resDir = currentQuad.getRes()
resVal = self.getPointerType(resDir)
res = self.multiply(leftVal[leftDir], currentQuad.getRight())
self.assignValueToDir(res, resVal, resDir)
self.__nextPointer += 1
operCode = self.__quadList[self.__nextPointer].getOp()