GH-98831: Simple input-output stack effects by gvanrossum · Pull Request #99120 · python/cpython · GitHub

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gvanrossum:stack-effect

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Pull requests 2.6k

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Generate the interpreter #98831

awaiting core review

Simple input-output stack effects

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Use PEEK instead of POP; STACK_GROW; etc.

Expand ERROR_IF(), to include SHRINK_STACK()

Use a varargs inst() macro

Do a few more instructions

BINARY_OP_INPLACE_ADD_UNICODE

Use STACK_SHRINK as needed

BINARY_OP_ADD_FLOAT, BINARY_OP_ADD_INT

Move PREDICTED() up (bad bug)

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Bugfix (thanks to Irit)

Merge main (TODO: PyObject *value etc.)

Fix code generated for super instructions

Refactor parser to be more type-correct

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Fewer jumps in ERROR_IF expansion

Add dummy variables for stack effects

_io and _pyio inconsistenly raise ValueErrors on closed files #98999

gh-98999: Raise ValueError in _pyio on closed buffers #99009

Enable specialization of iteration over generators, for gen():, and awaiting coroutines, await coro() #96793

GH-96793: Implement PEP 479 in bytecode. #99006