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112 lines
3.5 KiB
Python
112 lines
3.5 KiB
Python
# Copyright (c) 2018, 2024 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.fragments import (
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FragmentsWalker,
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code_deparse as fragments_code_deparse,
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)
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from uncompyle6.semantics.pysource import SourceWalker, code_deparse
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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().__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 line in data:
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# print(f"XXX write: '{line}'")
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for i in str(line):
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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().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 default-write 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().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().n_LOAD_CONST(node)
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class LineMapFragmentWalker(LineMapWalker, FragmentsWalker):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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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 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
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b = 2
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print("\n")
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linemap = [
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(line_no, deparsed.source_linemap[line_no])
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for line_no in sorted(deparsed.source_linemap.keys())
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]
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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 = [
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(line_no, deparsed.source_linemap[line_no])
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for line_no in sorted(deparsed.source_linemap.keys())
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]
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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.func_code)
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