def addVar(self, id, value, type_, row, column):
"""
Inserta un nuevo simbolo en la tabla de simbolos
"""
env = self
if id in env.variables:
return None
symbol = sym.Symbol(value, type_, row, column)
env.variables[id] = symbol
return symbol
def updateVar(self, id, value, type_):
"""
Actualiza el valor de una llave en la tabla de simbolos
"""
env = self
while env != None:
if id in env.variables:
symbol = env.variables[id]
symbol = sym.Symbol(id, value, type_, symbol.row, symbol.column)
env.variables[id] = symbol
return True
env = env.previous
return None
