def _evaluate_entity(entity, functions):
if entity.name == "INTEGRAL_NUMBER":
return int(entity.value)
elif entity.name == "REAL_NUMBER":
return float(entity.value)
elif entity.name == "CHARACTER":
return ord(string_utilities.unquote(entity.value))
elif entity.name == "STRING":
return string_utilities.make_list_from_string(string_utilities.unquote(entity.value))
elif entity.name == "IDENTIFIER":
return trampoline.closure_trampoline(functions[entity.value])
elif entity.name == "function":
return _evaluate_function(entity, functions)
elif entity.name == "call":
return _evaluate_call(entity, functions)
def _evaluate_call(call, functions):
inner_function = _evaluate_entity(call.children[0].children[0].children[0], functions)
parameters = [_evaluate_entity(parameter, functions) for parameter in call.children[1].children]
return trampoline.closure_trampoline(inner_function(*parameters))
