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Another small tweak

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rocky 2019-05-21 17:04:09 -04:00
parent 436260dc9a
commit 3c3e5c82fc
1 changed files with 18 additions and 15 deletions
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README.rst
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@ -93,8 +93,8 @@ This uses setup.py, so it follows the standard Python routine:
A GNU makefile is also provided so :code:`make install` (possibly as root or
sudo) will do the steps above.
Testing
-------
Running Tests
-------------
::
@ -133,18 +133,8 @@ You can also cross compare the results with pycdc_ . Since they work
differently, bugs here often aren't in that, and vice versa.
Known Bugs/Restrictions
-----------------------
The biggest known and possibly fixable (but hard) problem has to do
with handling control flow. (Python has probably the most diverse and
screwy set of compound statements I've ever seen; there
are "else" clauses on loops and try blocks that I suspect many
programmers don't know about.)
All of the Python decompilers that I have looked at have problems
decompiling Python's control flow. In some cases we can detect an
erroneous decompilation and report that.
Verification
------------
In older versions of Python it was possible to verify bytecode by
decompiling bytecode, and then compiling using the Python interpreter
@ -167,6 +157,19 @@ And already Python has a set of programs like this: the test suite
for the standard library that comes with Python. We have some
code in `test/stdlib` to facilitate this kind of checking.
Known Bugs/Restrictions
-----------------------
The biggest known and possibly fixable (but hard) problem has to do
with handling control flow. (Python has probably the most diverse and
screwy set of compound statements I've ever seen; there
are "else" clauses on loops and try blocks that I suspect many
programmers don't know about.)
All of the Python decompilers that I have looked at have problems
decompiling Python's control flow. In some cases we can detect an
erroneous decompilation and report that.
Python support is strongest in Python 2 for 2.7 and drops off as you
get further away from that. Support is also probably pretty good for
python 2.3-2.4 since a lot of the goodness of early the version of the
@ -194,7 +197,7 @@ Between Python 3.5, 3.6 and 3.7 there have been major changes to the
Currently not all Python magic numbers are supported. Specifically in
some versions of Python, notably Python 3.6, the magic number has
changes several times within a version.
changes several times within a version.
**We support only released versions, not candidate versions.** Note however
that the magic of a released version is usually the same as the *last* candidate version prior to release.