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140 lines
4.8 KiB
Python
140 lines
4.8 KiB
Python
# Copyright (c) 2019 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 3.8 version-specific semantic actions here.
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"""
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########################
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# Python 3.8+ changes
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#######################
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from uncompyle6.semantics.consts import TABLE_DIRECT
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def customize_for_version38(self, version):
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# FIXME: pytest doesn't add proper keys in testing. Reinstate after we have fixed pytest.
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# for lhs in 'for forelsestmt forelselaststmt '
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# 'forelselaststmtl tryfinally38'.split():
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# del TABLE_DIRECT[lhs]
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TABLE_DIRECT.update({
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"async_for_stmt38": (
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"%|async for %c in %c:\n%+%c%-%-\n\n",
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(2, "store"), (0, "expr"), (3, "for_block") ),
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'async_forelse_stmt38': (
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'%|async for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n',
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(7, 'store'), (0, 'expr'), (8, 'for_block'), (-1, 'else_suite') ),
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'async_with_stmt38': (
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'%|async with %c:\n%+%|%c%-',
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(0, 'expr'), 7),
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'async_with_as_stmt38': (
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'%|async with %c as %c:\n%+%|%c%-',
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(0, 'expr'), (6, 'store'),
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(7, 'suite_stmts') ),
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"call_stmt": (
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"%|%c\n", 0
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),
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'except_handler38': (
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'%c', (2, 'except_stmts') ),
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'except_handler38a': (
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'%c', (-2, 'stmts') ),
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'except_ret38a': (
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'return %c', (4, 'expr') ),
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# Note: there is a suite_stmts_opt which seems
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# to be bookkeeping which is not expressed in source code
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'except_ret38': ( '%|return %c\n', (1, 'expr') ),
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'for38': (
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'%|for %c in %c:\n%+%c%-\n\n',
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(2, 'store'),
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(0, 'expr'),
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(3, 'for_block') ),
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'forelsestmt38': (
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'%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n',
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(2, 'store'),
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(0, 'expr'),
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(3, 'for_block'), -2 ),
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'forelselaststmt38': (
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'%|for %c in %c:\n%+%c%-%|else:\n%+%c%-',
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(2, 'store'),
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(0, 'expr'),
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(3, 'for_block'), -2 ),
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'forelselaststmtl38': (
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'%|for %c in %c:\n%+%c%-%|else:\n%+%c%-\n\n',
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(2, 'store'),
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(0, 'expr'),
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(3, 'for_block'), -2 ),
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'ifpoplaststmtl': ( '%|if %c:\n%+%c%-',
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(0, "testexpr"),
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(2, "c_stmts" ) ),
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'ifstmtl': ( '%|if %c:\n%+%c%-',
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(0, "testexpr"),
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(1, "_ifstmts_jumpl") ),
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'whilestmt38': ( '%|while %c:\n%+%c%-\n\n',
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(1, 'testexpr'),
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2 ), # "l_stmts" or "pass"
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'whileTruestmt38': ( '%|while True:\n%+%c%-\n\n',
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1 ), # "l_stmts" or "pass"
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'try_elsestmtl38': (
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'%|try:\n%+%c%-%c%|else:\n%+%c%-',
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(1, 'suite_stmts_opt'),
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(3, 'except_handler38'),
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(5, 'else_suitel') ),
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'try_except38': (
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'%|try:\n%+%c\n%-%|except:\n%|%-%c\n\n',
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(-2, 'suite_stmts_opt'), (-1, 'except_handler38a') ),
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"try_except_ret38": (
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"%|try:\n%+%c%-\n%|except:\n%+%|%c%-\n\n",
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(1, "returns"),
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(2, "except_ret38a"),
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),
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'tryfinally38rstmt': (
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'%|try:\n%+%c%-%|finally:\n%+%c%-\n\n',
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(0, "sf_pb_call_returns"),
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(-1, ("ss_end_finally", "suite_stmts")),
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),
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"tryfinally38rstmt2": (
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"%|try:\n%+%c%-%|finally:\n%+%c%-\n\n",
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(4, "returns"),
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-2, "ss_end_finally"
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),
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"tryfinally38rstmt3": (
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"%|try:\n%+%|return %c%-\n%|finally:\n%+%c%-\n\n",
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(1, "expr"),
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(-1, "ss_end_finally")
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),
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'tryfinally38stmt': (
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'%|try:\n%+%c%-%|finally:\n%+%c%-\n\n',
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(1, "suite_stmts_opt"),
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(6, "suite_stmts_opt") ),
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'tryfinally38astmt': (
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'%|try:\n%+%c%-%|finally:\n%+%c%-\n\n',
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(2, "suite_stmts_opt"),
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(8, "suite_stmts_opt") ),
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"named_expr": ( # AKA "walrus operator"
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"%c := %c", (2, "store"), (0, "expr")
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)
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})
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