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GH-106008: Make implicit boolean conversions explicit (GH-106003)

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Brandt Bucher 2023-06-29 13:49:54 -07:00 • committed by GitHub
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commit 7b2d94d875
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20 changed files with 1728 additions and 1152 deletions
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Doc/library/dis.rst
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@ -529,6 +529,9 @@ result back on the stack.
Implements ``STACK[-1] = not STACK[-1]``.
.. versionchanged:: 3.13
This instruction now requires an exact :class:`bool` operand.
.. opcode:: UNARY_INVERT
@ -548,6 +551,13 @@ result back on the stack.
.. versionadded:: 3.5
.. opcode:: TO_BOOL
Implements ``STACK[-1] = bool(STACK[-1])``.
.. versionadded:: 3.13
**Binary and in-place operations**
Binary operations remove the top two items from the stack (``STACK[-1]`` and
@ -1127,7 +1137,12 @@ iterations of the loop.
.. opcode:: COMPARE_OP (opname)
Performs a Boolean operation. The operation name can be found in
``cmp_op[opname]``.
``cmp_op[opname >> 5]``. If the fifth-lowest bit of ``opname`` is set
(``opname & 16``), the result should be coerced to ``bool``.
.. versionchanged:: 3.13
The fifth-lowest bit of the oparg now indicates a forced conversion to
:class:`bool`.
.. opcode:: IS_OP (invert)
@ -1191,6 +1206,9 @@ iterations of the loop.
.. versionchanged:: 3.12
This is no longer a pseudo-instruction.
.. versionchanged:: 3.13
This instruction now requires an exact :class:`bool` operand.
.. opcode:: POP_JUMP_IF_FALSE (delta)
If ``STACK[-1]`` is false, increments the bytecode counter by *delta*.
@ -1204,6 +1222,9 @@ iterations of the loop.
.. versionchanged:: 3.12
This is no longer a pseudo-instruction.
.. versionchanged:: 3.13
This instruction now requires an exact :class:`bool` operand.
.. opcode:: POP_JUMP_IF_NOT_NONE (delta)
If ``STACK[-1]`` is not ``None``, increments the bytecode counter by *delta*.