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61 lines
2.3 KiB
Python
61 lines
2.3 KiB
Python
# Copyright (c) 2019-2020 by Rocky Bernstein
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Isolate Python 2.5+ version-specific semantic actions here.
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"""
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from uncompyle6.semantics.consts import TABLE_DIRECT
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#######################
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# Python 2.5+ Changes #
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#######################
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def customize_for_version25(self, version):
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########################
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# Import style for 2.5+
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########################
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TABLE_DIRECT.update(
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{
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"importmultiple": ("%|import %c%c\n", 2, 3),
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"import_cont": (", %c", 2),
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# With/as is allowed as "from future" thing in 2.5
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# Note: It is safe to put the variables after "as" in parenthesis,
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# and sometimes it is needed.
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"with": ("%|with %c:\n%+%c%-", 0, 3),
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"and_then": ("%c and %c", (0, "expr"), (4, "expr")),
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}
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)
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# In 2.5+ "except" handlers and the "finally" can appear in one
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# "try" statement. So the below has the effect of combining the
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# "tryfinally" with statement with the "try_except" statement.
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# FIXME: something doesn't smell right, since the semantics
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# are different. See test_fileio.py for an example that shows this.
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def tryfinallystmt(node):
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if len(node[1][0]) == 1 and node[1][0][0] == "stmt":
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if node[1][0][0][0] == "try_except":
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node[1][0][0][0].kind = "tf_try_except"
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if node[1][0][0][0] == "tryelsestmt":
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node[1][0][0][0].kind = "tf_tryelsestmt"
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self.default(node)
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self.n_tryfinallystmt = tryfinallystmt
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def n_import_from(node):
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if node[0].pattr > 0:
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node[2].pattr = ("." * node[0].pattr) + node[2].pattr
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self.default(node)
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self.n_import_from = n_import_from
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