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Issue #28317: The disassembler now decodes FORMAT_VALUE argument.

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This commit is contained in:
Serhiy Storchaka 2016-10-08 12:34:25 +03:00
parent 56588b7055
commit dd102f7af8
3 changed files with 35 additions and 0 deletions
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9
Lib/dis.py
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@ -16,6 +16,8 @@ del _opcodes_all
_have_code = (types.MethodType, types.FunctionType, types.CodeType,
classmethod, staticmethod, type)
FORMAT_VALUE = opmap['FORMAT_VALUE']
def _try_compile(source, name):
"""Attempts to compile the given source, first as an expression and
then as a statement if the first approach fails.
@ -314,6 +316,13 @@ def _get_instructions_bytes(code, varnames=None, names=None, constants=None,
argrepr = argval
elif op in hasfree:
argval, argrepr = _get_name_info(arg, cells)
elif op == FORMAT_VALUE:
argval = ((None, str, repr, ascii)[arg & 0x3], bool(arg & 0x4))
argrepr = ('', 'str', 'repr', 'ascii')[arg & 0x3]
if argval[1]:
if argrepr:
argrepr += ', '
argrepr += 'with format'
yield Instruction(opname[op], op,
arg, argval, argrepr,
offset, starts_line, is_jump_target)