[New-bugs-announce] [issue32970] Improve disassembly of the MAKE_FUNCTION instruction

[Serhiy Storchaka]

New submission from Serhiy Storchaka <storchaka+cpython at gmail.com>:

The proposed PR adds decryption of the MAKE_FUNCTION argument (it is a bits set) in the disassembler output. For example:

$ echo 'def f(x, y=1, *, z=2): ...' | ./python -m dis
  1           0 LOAD_CONST               6 ((1,))
              2 LOAD_CONST               1 (2)
              4 LOAD_CONST               2 (('z',))
              6 BUILD_CONST_KEY_MAP      1
              8 LOAD_CONST               3 (<code object f at 0x7fe5ade8f300, file "<stdin>", line 1>)
             10 LOAD_CONST               4 ('f')
             12 MAKE_FUNCTION            3 (defaults, kwdefaults)
             14 STORE_NAME               0 (f)
             16 LOAD_CONST               5 (None)
             18 RETURN_VALUE

Disassembly of <code object f at 0x7fe5ade8f300, file "<stdin>", line 1>:
  1           0 LOAD_CONST               0 (None)
              2 RETURN_VALUE

----------
components: Library (Lib)
messages: 313060
nosy: ncoghlan, serhiy.storchaka, yselivanov
priority: normal
severity: normal
status: open
title: Improve disassembly of the MAKE_FUNCTION instruction
type: enhancement
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32970>
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