def execute_ASSIGNMENT_STATEMENT(self, strLine):
# print("HI:",strLine)
terms = self.removeGarbageFromArray(re.split(' |(\=\=)|(\=)', strLine))
equation = ""
indexOfEQ = 0
for i, e in reversed(list(enumerate(terms))):
if e == "=":
break
equation = e + equation
indexOfEQ = i
del terms[indexOfEQ:]
isBooleanEquation = self.interpreter.isValidBooleanOperation(equation)
if (isBooleanEquation):
eqTerms = re.split(
' |(\()|(\))|(\=\=)|(\<\=)|(\>\=)|(\&\&)|(\|\|)|(\<)|(\>)',
equation)
else:
eqTerms = re.split(' |(\+)|(\/)|(\-)|(\*)|(\%)|(\()|(\))',
equation)
eqTerms = self.removeGarbageFromArray(eqTerms)
nodeList = []
for term in eqTerms:
temp = Interpreter.Node(term)
nodeList.append(temp)
if isBooleanEquation:
node = self.nodeCreate(nodeList,
["==", "<=", ">=", "<", ">", "&&", "||"])
else:
node = self.nodeCreate(nodeList)
val = self.evaluateNode(node)
variables = [x for x in terms if x is not '=']
for variable in variables:
self.setVariable(variable, val)
def solveArithmeticEquation(self, equation):
eqTerms = re.split(' |(\+)|(\/)|(\-)|(\*)|(\%)|(\()|(\))', equation)
eqTerms = self.removeGarbageFromArray(eqTerms)
nodeList = []
for term in eqTerms:
temp = Interpreter.Node(term)
nodeList.append(temp)
node = self.nodeCreate(nodeList)
return self.evaluateNode(node)
def solveBooleanEquation(self, equation):
isBooleanEquation = self.interpreter.isValidBooleanOperation(equation)
eqTerms = re.split(
'(\()|(\))|(\=\=)|(\<\=)|(\>\=)|(\&\&)|(\|\|)|(\<)|(\>)', equation)
eqTerms = self.removeGarbageFromArray(eqTerms)
nodeList = []
for term in eqTerms:
if (self.interpreter.isBooleanOperator(term)):
print('Boolean Operator:', term)
if (not self.interpreter.isBooleanOperator(term)
and self.interpreter.isValidArithmeticOperation(term)):
term = self.solveArithmeticEquation(term)
print('New term', term)
temp = Interpreter.Node(term)
nodeList.append(temp)
node = self.nodeCreate(nodeList,
["==", "<=", ">=", "<", ">", "&&", "||"])
return self.evaluateNode(node)