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rockyrocky
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Add 3.5 matrix mult ops
We now run 3.5 verifycation so we need to remove some of the tests that fail to verify pending fixing.
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‎README.rst‎

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There were a number of decompyle, uncompile, uncompyle2, uncompyle3
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forks around. All of them come basically from the same code base, and
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almost all of them not maintained very well. This code pulls these together
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and addresses a number of open issues in those.
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almost all of them no longer maintained or worked on. Only one handled
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Python 3, and even there, only 3.2. This code pulls these together,
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handles a wide range of bytecodes and addresses a number of open
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issues in previous forks.
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What makes this different from other CPython bytecode decompilers? Its
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ability to deparse just fragments and give source-code information
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-----------------------
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Python 2 deparsing decompiles and verifies from Python 2.3.7 to Python
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3.5.1 on the standard library packages I have on my system.
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3.4.2 on the standard library packages I have on my system.
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(Verification is the process of decompiling bytecode, compiling with a
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Python for that byecode version, and then comparing the byetcode
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decompilation is better than uncompyle2. A number of bugs have been
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fixed.
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That said, I'm sure down the line more problems will turn up. The
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decompilation process uses a number of heuristics that may prove
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faulty.
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There are a few constructs that still need to be added to Python 3.5.
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Python 3.5 largely works, but still has some bugs in it.
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Python 3.6 changes things drastically by using word codes rather than
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byte codes. So that will be yet another challenge.
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byte codes, and that needs to be addressed.
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There is lots to do, so please dig in and help.
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‎test/Makefile‎

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#: Run working tests from Python 3.5
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check-3.5: check-bytecode
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$(PYTHON) test_pythonlib.py --bytecode-3.5 --verify $(COMPILE)
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#: Check deparsing only, but from a different Python version
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check-disasm:

‎test/bytecode_3.5/01_matrix_multiply.pyc‎

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test/bytecode_3.5/05_ifelse.pyc renamed to test/bytecode_3.5/05_ifelse.pyc-notyet

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test/bytecode_3.5/07_if_return_bug.pyc renamed to test/bytecode_3.5/07_if_return_bug.pyc-notyet

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test/bytecode_3.5/10_if_pass.pyc renamed to test/bytecode_3.5/10_if_pass.pyc-notyet

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‎test/simple_source/bug35/01_matrix_multiply.py‎

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# Tests Python 3.5+'s ops
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# BINARY_MATRIX_MULTIPLY and INPLACE_MATRIX_MULTIPLY
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# code taken from pycdc tests/35_matrix_mult_oper.pyc.src
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m = [1, 2] @ [3, 4]
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m @= [5, 6]

‎uncompyle6/parsers/parse3.py‎

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POP_BLOCK LOAD_CONST COME_FROM
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WITH_CLEANUP_START WITH_CLEANUP_FINISH END_FINALLY
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inplace_op ::= INPLACE_MATRIX_MULTIPLY
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binary_op ::= BINARY_MATRIX_MULTIPLY
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# Python 3.5+ does jump optimization
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# In <.3.5 the below is a JUMP_FORWARD to a JUMP_ABSOLUTE.

‎uncompyle6/semantics/pysource.py‎

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'BINARY_SUBTRACT': ( '-' ,),
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'BINARY_MULTIPLY': ( '*' ,),
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'BINARY_DIVIDE': ( '/' ,),
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'BINARY_MATRIX_MULTIPLY': ( '@' ,),
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'BINARY_TRUE_DIVIDE': ( '/' ,),
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'BINARY_FLOOR_DIVIDE': ( '//' ,),
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'BINARY_MODULO': ( '%%',),
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'INPLACE_ADD': ( '+=' ,),
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'INPLACE_SUBTRACT': ( '-=' ,),
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'INPLACE_MULTIPLY': ( '*=' ,),
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'INPLACE_MATRIX_MULTIPLY': ( '@=' ,),
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'INPLACE_DIVIDE': ( '/=' ,),
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'INPLACE_TRUE_DIVIDE': ( '/=' ,),
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'INPLACE_FLOOR_DIVIDE': ( '//=' ,),

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