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37 lines
907 B
37 lines
907 B
4 months ago
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#-----------------------------------------------------------------
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# pycparser: serialize_ast.py
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#
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# Simple example of serializing AST
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#
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# Hart Chu [https://github.com/CtheSky]
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# Eli Bendersky [https://eli.thegreenplace.net/]
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# License: BSD
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#-----------------------------------------------------------------
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from __future__ import print_function
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import pickle
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from pycparser import c_parser
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text = r"""
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void func(void)
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{
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x = 1;
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}
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"""
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parser = c_parser.CParser()
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ast = parser.parse(text)
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# Since AST nodes use __slots__ for faster attribute access and
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# space saving, it needs Pickle's protocol version >= 2.
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# The default version is 3 for python 3.x and 1 for python 2.7.
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# You can always select the highest available protocol with the -1 argument.
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with open('ast', 'wb') as f:
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pickle.dump(ast, f, protocol=-1)
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# Deserialize.
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with open('ast', 'rb') as f:
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ast = pickle.load(f)
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ast.show()
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