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bpo-44525: Copy free variables in bytecode to allow calls to inner functions to be specialized (GH-29595)

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* Make internal APIs that take PyFrameConstructor take a PyFunctionObject instead.

* Add reference to function to frame, borrow references to builtins and globals.

* Add COPY_FREE_VARS instruction to allow specialization of calls to inner functions.
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Mark Shannon 2021-11-23 09:53:24 +00:00 • committed by GitHub
parent d82f2caf94
commit 135cabd328
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25 changed files with 268 additions and 156 deletions
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2
Objects/typeobject.c
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@ -8936,7 +8936,7 @@ super_init_without_args(PyFrameObject *f, PyCodeObject *co,
// "firstarg" is a cell here unless (very unlikely) super()
// was called from the C-API before the first MAKE_CELL op.
if (f->f_frame->f_lasti >= 0) {
assert(_Py_OPCODE(*co->co_firstinstr) == MAKE_CELL);
assert(_Py_OPCODE(*co->co_firstinstr) == MAKE_CELL || _Py_OPCODE(*co->co_firstinstr) == COPY_FREE_VARS);
assert(PyCell_Check(firstarg));
firstarg = PyCell_GET(firstarg);
}