56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
|
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
|
||
|
#
|
||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
# you may not use this file except in compliance with the License.
|
||
|
# You may obtain a copy of the License at
|
||
|
#
|
||
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
#
|
||
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
# See the License for the specific language governing permissions and
|
||
|
# limitations under the License.
|
||
|
# ==============================================================================
|
||
|
"""Annotations used by the static analyzer."""
|
||
|
|
||
|
from enum import Enum
|
||
|
|
||
|
|
||
|
# TODO(mdan): Remove.
|
||
|
|
||
|
|
||
|
class NoValue(Enum):
|
||
|
|
||
|
def __repr__(self): # pylint: disable=invalid-repr-returned
|
||
|
return self.name
|
||
|
|
||
|
|
||
|
class NodeAnno(NoValue):
|
||
|
"""Additional annotations used by the static analyzer.
|
||
|
|
||
|
These are in addition to the basic annotations declared in anno.py.
|
||
|
"""
|
||
|
|
||
|
# Symbols
|
||
|
# These flags are boolean.
|
||
|
IS_LOCAL = 'Symbol is local to the function scope being analyzed.'
|
||
|
IS_PARAM = 'Symbol is a parameter to the function being analyzed.'
|
||
|
IS_MODIFIED_SINCE_ENTRY = (
|
||
|
'Symbol has been explicitly replaced in the current function scope.')
|
||
|
|
||
|
# Scopes
|
||
|
# Scopes are represented by objects of type activity.Scope.
|
||
|
ARGS_SCOPE = 'The scope for the argument list of a function call.'
|
||
|
COND_SCOPE = 'The scope for the test node of a conditional statement.'
|
||
|
ITERATE_SCOPE = 'The scope for the iterate assignment of a for loop.'
|
||
|
ARGS_AND_BODY_SCOPE = (
|
||
|
'The scope for the main body of a function or lambda, including its'
|
||
|
' arguments.')
|
||
|
BODY_SCOPE = (
|
||
|
'The scope for the main body of a statement (True branch for if '
|
||
|
'statements, main body for loops).')
|
||
|
ORELSE_SCOPE = (
|
||
|
'The scope for the orelse body of a statement (False branch for if '
|
||
|
'statements, orelse body for loops).')
|