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Add deparse_code_with_fragments_and_map and simplify

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rocky
2018-01-24 04:23:14 -05:00
parent e193c72d12
commit 0d32ec028c
4 changed files with 42 additions and 28 deletions
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32
uncompyle6/semantics/linemap.py
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@@ -1,10 +1,9 @@
# Copyright (c) 2018 by Rocky Bernstein
from uncompyle6.semantics.pysource import SourceWalker, deparse_code
import uncompyle6.semantics.fragments as fragments
# FIXME: does this handle nested code, and lambda properly
class LineMapWalker(SourceWalker):
def __init__(self, *args, **kwargs):
if 'first_line' not in kwargs:
first_line = 0
def __init__(self, *args, **kwargs):
super(LineMapWalker, self).__init__(*args, **kwargs)
self.source_linemap = {}
@@ -28,6 +27,12 @@ class LineMapWalker(SourceWalker):
self.source_linemap[self.current_line_number] = node.linestart
return super(LineMapWalker, self).default(node)
class LineMapFragmentWalker(fragments.FragmentsWalker, LineMapWalker):
def __init__(self, *args, **kwargs):
super(LineMapFragmentWalker, self).__init__(*args, **kwargs)
self.source_linemap = {}
self.current_line_number = 0
def deparse_code_with_map(*args, **kwargs):
"""
Like deparse_code but saves line number correspondences.
@@ -35,13 +40,21 @@ def deparse_code_with_map(*args, **kwargs):
kwargs['walker'] = LineMapWalker
return deparse_code(*args, **kwargs)
def deparse_code_with_fragments_and_map(*args, **kwargs):
"""
Like deparse_code_with_map but saves fragments.
"""
kwargs['walker'] = LineMapFragmentWalker
return fragments.deparse_code(*args, **kwargs)
if __name__ == '__main__':
def deparse_test(co):
"This is a docstring"
import sys
sys_version = float(sys.version[0:3])
# deparsed = deparse_code(sys_version, co, showasm=True, showast=True)
deparsed = deparse_code_with_map(sys_version, co, showasm=False, showast=False,
deparsed = deparse_code_with_map(sys_version, co, showasm=False,
showast=False,
showgrammar=False)
a = 1; b = 2
print("\n")
@@ -49,5 +62,16 @@ if __name__ == '__main__':
for line_no in
sorted(deparsed.source_linemap.keys())]
print(linemap)
deparsed = deparse_code_with_fragments_and_map(sys_version,
co, showasm=False,
showast=False,
showgrammar=False)
a = 1; b = 2
print("\n")
linemap2 = [(line_no, deparsed.source_linemap[line_no])
for line_no in
sorted(deparsed.source_linemap.keys())]
print(linemap2)
assert linemap == linemap2
return
deparse_test(deparse_test.__code__)