def set_quad(self, op, op2, op1, res):
self.operator = op
self.operand2 = op2
self.operand1 = op1
if (op2 == None):
if (op == "="):
res[1][0] = sem.get_type(op, res, op1)
elif (op == "u+" or op == "u-"):
if (op1[1][0][0] != "i" and op1[1][0][0] != "f"):
raise NameError("Number expected, '{0}' received".format(
op1[1][0]))
size = 4
res = [res, [op1[1][0], state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
elif (op == "u!"):
if (op1[1][0][0] != "b"):
raise NameError("Boolean expected, '{0}' received".format(
op1[1][0]))
size = 1
res = [res, [op1[1][0], state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
self.result = res
else:
if (op == "len"):
size = 4
res = [res, ["int", state.temp_dir, [size, 1], 't']]
else:
type = sem.get_type(op, op1, op2)
if (type[0] == "i" or type[0] == "f"):
size = 4
else:
size = 1
res = [res, [type, state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
self.result = res
def set_quad(self, op, op2, op1, res):
self.operator = op
self.operand2 = op2
self.operand1 = op1
if(op2 == None):
if(op == "="):
res[1][0] = sem.get_type(op, res, op1)
elif(op == "u+" or op == "u-"):
if(op1[1][0][0] != "i" and op1[1][0][0] != "f"):
raise NameError("Number expected, '{0}' received".format(op1[1][0]))
size = 4
res = [res, [op1[1][0], state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
elif(op == "u!"):
if(op1[1][0][0] != "b"):
raise NameError("Boolean expected, '{0}' received".format(op1[1][0]))
size = 1
res = [res, [op1[1][0], state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
self.result = res
else:
if(op == "len"):
size = 4
res = [res, ["int", state.temp_dir, [size, 1], 't']]
else:
type = sem.get_type(op, op1, op2)
if(type[0] == "i" or type[0] == "f"):
size = 4
else:
size = 1
res = [res, [type, state.temp_dir, [size, 1], 't']]
state.temp_dir -= size
self.result = res
def create_quad(op, op2, op1, res): quad = Quad() quad.operator = op quad.operand2 = op2 quad.operand1 = op1 if(op2 == None): if(op =="read" or op =="print"): #quad.result = op2 quad.result = res else: res[1][0] = sem.get_type(op, op1, res) quad.result = res else: quad.result = [res, [sem.get_type(op, op1, op2)]] return quad
def create_quad(op, op2, op1, res):
quad = Quad()
quad.operator = op
quad.operand2 = op2
quad.operand1 = op1
if (op2 == None):
if (op == "read" or op == "print"):
#quad.result = op2
quad.result = res
else:
res[1][0] = sem.get_type(op, op1, res)
quad.result = res
else:
quad.result = [res, [sem.get_type(op, op1, op2)]]
return quad
def generate_quad(hierarchy):
q = quad.Quad()
if(hierarchy == 0):
if(state.last_operator == 'u+' or state.last_operator == 'u-' or state.last_operator == 'u!'):
q.set_quad(state.operator_stack.pop(), None, state.operand_stack.pop(), "t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 1)
state.temp_counter += 1
elif(hierarchy == 1):
if(state.last_operator == '*' or state.last_operator == '/'):
# id, [type, address, size]
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(), state.operand_stack.pop(), "t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif(hierarchy == 2):
if(state.last_operator == '+' or state.last_operator == '-'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(), state.operand_stack.pop(), "t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif(hierarchy == 3):
if(state.last_operator == '==' or state.last_operator == '<=' or state.last_operator == '>=' or state.last_operator == '<>' or state.last_operator == '<' or state.last_operator == '>'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(), state.operand_stack.pop(), "t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif(hierarchy == 4):
if(state.last_operator == '&&' or state.last_operator == '||'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(), state.operand_stack.pop(), "t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif(hierarchy == 5):
if(state.last_operator == '='):
q.set_quad(state.operator_stack.pop(), None, state.operand_stack.pop(), state.operand_stack.pop())
set_assign_type(sem.get_type("=", ["", [state.assign_list[0]]], ["", [q.result[1][0]]]), 1)
if(q.operator != None):
state.quads.append(q)
if(q.operator != "="):
state.operand_stack.append(q.result)
#state.assign_list.append(q.result[1][0])
else:
del(q)
if(len(state.operator_stack) > 0):
state.last_operator = state.operator_stack[-1]
if(state.last_operator == '#'):
state.last_operator = None
else:
state.last_operator = None
def generate_quad(hierarchy):
q = quad.Quad()
if (hierarchy == 0):
if (state.last_operator == 'u+' or state.last_operator == 'u-'
or state.last_operator == 'u!'):
q.set_quad(state.operator_stack.pop(), None,
state.operand_stack.pop(),
"t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 1)
state.temp_counter += 1
elif (hierarchy == 1):
if (state.last_operator == '*' or state.last_operator == '/'):
# id, [type, address, size]
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(),
state.operand_stack.pop(),
"t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif (hierarchy == 2):
if (state.last_operator == '+' or state.last_operator == '-'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(),
state.operand_stack.pop(),
"t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif (hierarchy == 3):
if (state.last_operator == '==' or state.last_operator == '<='
or state.last_operator == '>=' or state.last_operator == '<>'
or state.last_operator == '<' or state.last_operator == '>'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(),
state.operand_stack.pop(),
"t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif (hierarchy == 4):
if (state.last_operator == '&&' or state.last_operator == '||'):
q.set_quad(state.operator_stack.pop(), state.operand_stack.pop(),
state.operand_stack.pop(),
"t" + str(state.temp_counter))
set_assign_type(q.result[1][0], 2)
state.temp_counter += 1
elif (hierarchy == 5):
if (state.last_operator == '='):
q.set_quad(state.operator_stack.pop(), None,
state.operand_stack.pop(), state.operand_stack.pop())
set_assign_type(
sem.get_type("=", ["", [state.assign_list[0]]],
["", [q.result[1][0]]]), 1)
if (q.operator != None):
state.quads.append(q)
if (q.operator != "="):
state.operand_stack.append(q.result)
#state.assign_list.append(q.result[1][0])
else:
del (q)
if (len(state.operator_stack) > 0):
state.last_operator = state.operator_stack[-1]
if (state.last_operator == '#'):
state.last_operator = None
else:
state.last_operator = None
