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