wehub-resource-sync
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
# Copyright (c) 2020 PaddlePaddle 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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from paddle.utils import gast
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from ..utils import ast_to_source_code, is_builtin
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from .base import BaseTransformer
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from .utils import is_paddle_api
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PDB_SET = "pdb.set_trace"
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__all__ = []
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class CallTransformer(BaseTransformer):
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"""
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This class transforms function calls into Static Graph Ast.
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"""
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def __init__(self, root):
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self.root = root
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def _no_need_convert_call(self, node):
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"""
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Determines whether a function needs to be transformed by `convert_call`.
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It doesn't need to be transformed when a function satisfies the following conditions:
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1. It's a api of paddle
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2. It's a python builtin function not include `len`, `zip`, `range` and `enumerate`
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"""
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assert isinstance(node, gast.Call)
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if is_paddle_api(node):
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return True
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func_str = ast_to_source_code(node.func).strip()
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try:
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need_convert_builtin_func_list = {
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'len',
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'zip',
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'range',
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'enumerate',
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'print',
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}
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fn = eval(func_str)
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is_builtin_fn = is_builtin(fn)
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need_convert = func_str in need_convert_builtin_func_list
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return is_builtin_fn and not need_convert
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except Exception:
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return False
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def transform(self):
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self.visit(self.root)
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def visit_Call(self, node):
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self.generic_visit(node)
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if self._no_need_convert_call(node):
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return node
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func_str = ast_to_source_code(node.func).strip()
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# NOTE(liym27): Don't convert `pad.set_trace` even if the conversion doesn't work finally, because
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# it is clearer to see where it is called from.
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if PDB_SET in func_str:
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return node
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new_func_str = f"_jst.Call({func_str})"
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new_func_ast = gast.parse(new_func_str).body[0].value
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node.func = new_func_ast
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return node
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