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108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
# Copyright (c) 2018 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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from uncompyle6.semantics.pysource import SourceWalker, code_deparse
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import uncompyle6.semantics.fragments as fragments
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# FIXME: does this handle nested code, and lambda properly
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class LineMapWalker(SourceWalker):
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def __init__(self, *args, **kwargs):
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super(LineMapWalker, self).__init__(*args, **kwargs)
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self.source_linemap = {}
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self.current_line_number = 1
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def write(self, *data):
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"""Augment write routine to keep track of current line"""
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for l in data:
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## print("XXX write: '%s'" % l)
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for i in str(l):
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if i == '\n':
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self.current_line_number += 1
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pass
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pass
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pass
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return super(LineMapWalker, self).write(*data)
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# Note n_expr needs treatment too
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def default(self, node):
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"""Augment write default routine to record line number changes"""
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if hasattr(node, 'linestart'):
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if node.linestart:
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self.source_linemap[self.current_line_number] = node.linestart
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return super(LineMapWalker, self).default(node)
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def n_LOAD_CONST(self, node):
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if hasattr(node, 'linestart'):
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if node.linestart:
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self.source_linemap[self.current_line_number] = node.linestart
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return super(LineMapWalker, self).n_LOAD_CONST(node)
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class LineMapFragmentWalker(fragments.FragmentsWalker, LineMapWalker):
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def __init__(self, *args, **kwargs):
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super(LineMapFragmentWalker, self).__init__(*args, **kwargs)
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self.source_linemap = {}
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self.current_line_number = 0
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def deparse_code_with_map(*args, **kwargs):
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"""
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Like deparse_code but saves line number correspondences.
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Deprecated. Use code_deparse_with_map
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"""
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kwargs['walker'] = LineMapWalker
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return code_deparse(*args, **kwargs)
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def code_deparse_with_map(*args, **kwargs):
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"""
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Like code_deparse but saves line number correspondences.
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"""
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kwargs['walker'] = LineMapWalker
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return code_deparse(*args, **kwargs)
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def deparse_code_with_fragments_and_map(*args, **kwargs):
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"""
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Like deparse_code_with_map but saves fragments.
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Deprecated. Use code_deparse_with_fragments_and_map
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"""
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kwargs['walker'] = LineMapFragmentWalker
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return fragments.deparse_code(*args, **kwargs)
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def code_deparse_with_fragments_and_map(*args, **kwargs):
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"""
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Like code_deparse_with_map but saves fragments.
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"""
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kwargs['walker'] = LineMapFragmentWalker
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return fragments.code_deparse(*args, **kwargs)
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if __name__ == '__main__':
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def deparse_test(co):
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"This is a docstring"
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deparsed = code_deparse_with_map(co)
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a = 1; b = 2
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print("\n")
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linemap = [(line_no, deparsed.source_linemap[line_no])
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for line_no in
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sorted(deparsed.source_linemap.keys())]
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print(linemap)
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deparsed = code_deparse_with_fragments_and_map(co)
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print("\n")
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linemap2 = [(line_no, deparsed.source_linemap[line_no])
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for line_no in
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sorted(deparsed.source_linemap.keys())]
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print(linemap2)
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# assert linemap == linemap2
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return
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deparse_test(deparse_test.__code__)
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