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Redo the way we handle complex literals and 3.7+ bug fixes...

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In 3.7+ remove assert_expr* parser rules
Fix "call" precidence in 3.7+ for it children
This commit is contained in:
rocky
2019-12-18 12:00:33 -05:00
parent e39c6c7f0a
commit 28d9e66a53
10 changed files with 44 additions and 40 deletions
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27
uncompyle6/semantics/pysource.py
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@@ -171,6 +171,8 @@ from uncompyle6.semantics.consts import (
from uncompyle6.show import maybe_show_tree
from uncompyle6.util import better_repr
if PYTHON3:
from io import StringIO
@@ -565,6 +567,9 @@ class SourceWalker(GenericASTTraversal, object):
if n == "LOAD_CONST" and repr(n.pattr)[0] == "-":
self.prec = 6
# print(n.kind, p, "<", self.prec)
# print(self.f.getvalue())
if p < self.prec:
self.write("(")
self.preorder(node[0])
@@ -608,7 +613,7 @@ class SourceWalker(GenericASTTraversal, object):
for item in tup:
self.write(sep)
l += len(sep)
s = repr(item)
s = better_repr(item)
l += len(s)
self.write(s)
sep = ","
@@ -627,22 +632,10 @@ class SourceWalker(GenericASTTraversal, object):
attr = node.attr
data = node.pattr
datatype = type(data)
if isinstance(data, float) and str(data) in frozenset(
["nan", "-nan", "inf", "-inf"]
):
# float values 'nan' and 'inf' are not directly
# representable in Python before Python 3.5. In Python 3.5
# it is accessible via a library constant math.inf. So we
# will canonicalize representation of these value as
# float('nan') and float('inf')
self.write("float('%s')" % data)
elif isinstance(data, complex) and str(data.imag) in frozenset(
["nan", "-nan", "inf", "-inf"]
):
# Likewise, complex values with 'nan' and 'inf' are not
# directly representable in Python. So we will
# canonicalize like we did above.
self.write("complex('%s%sj')" % (data.real, data.imag))
if isinstance(data, float) :
self.write(better_repr(data))
elif isinstance(data, complex):
self.write(better_repr(data))
elif isinstance(datatype, int) and data == minint:
# convert to hex, since decimal representation
# would result in 'LOAD_CONST; UNARY_NEGATIVE'