def eval(self, st):
ass_mode = True
if not ass_mode:
print(self.children[0].eval(st))
else:
self.children[0].eval(st)
Assembly.write_program(["PUSH EBX"])
Assembly.write_program(["CALL print"])
def eval(self, st):
ass_mode = True
if ass_mode:
Assembly.write_program([f"LOOP_{self.identifier}:"])
self.children[0].eval(st)
Assembly.write_program([f"CMP EBX, False"])
Assembly.write_program([f"JE EXIT_{self.identifier}"])
self.children[1].eval(st)
Assembly.write_program([f"JMP LOOP_{self.identifier}"])
Assembly.write_program([f"EXIT_{self.identifier}:"])
else:
while self.children[0].eval(st) == True:
self.children[1].eval(st)
def eval(self, st):
res = st.get_var(self.value)
Assembly.write_program([f"MOV EBX, [{self.value}_{res[1]}]"])
return res[0]
def eval(self, st):
res = st.set_var(self.value, self.children[0].eval(st))
Assembly.write_program([f"MOV [{self.value}_{res}], EBX"])
def eval(self, st):
ass_mode = True
if not ass_mode:
if self.children[0].eval(st) == True:
self.children[1].eval(st)
else:
if len(self.children) > 2:
self.children[2].eval(st)
else:
if len(self.children) > 2:
self.children[0].eval(st)
Assembly.write_program([f"CMP EBX, False"])
Assembly.write_program([f"JE ELSE_{self.identifier}"])
self.children[1].eval(st)
Assembly.write_program([f"JMP EXIT_{self.identifier}"])
Assembly.write_program([f"ELSE_{self.identifier}:"])
self.children[2].eval(st)
Assembly.write_program([f"EXIT_{self.identifier}:"])
else:
self.children[0].eval(st)
Assembly.write_program([f"CMP EBX, False"])
Assembly.write_program([f"JE EXIT_{self.identifier}"])
self.children[1].eval(st)
Assembly.write_program([f"EXIT_{self.identifier}:"])
def eval(self, st):
Assembly.write_program([f"MOV EBX, {self.value}"])
return self.value
