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gh-94673: Add _PyStaticType_InitBuiltin() (#95152)

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This is the first of several precursors to storing tp_subclasses (and tp_weaklist) on the interpreter state for static builtin types.

We do the following:

* add `_PyStaticType_InitBuiltin()`
* add `_Py_TPFLAGS_STATIC_BUILTIN`
* set it on all static builtin types in `_PyStaticType_InitBuiltin()`
* shuffle some code around to be able to use _PyStaticType_InitBuiltin()
    * rename `_PyStructSequence_InitType()` to `_PyStructSequence_InitBuiltinWithFlags()`
    * add `_PyStructSequence_InitBuiltin()`.
This commit is contained in:
Eric Snow 2022-07-25 12:47:31 -06:00 • committed by GitHub
parent c5140945c7
commit 4a1dd73431
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13 changed files with 137 additions and 80 deletions
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Include/object.h
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@ -352,6 +352,9 @@ given type object has a specified feature.
#ifndef Py_LIMITED_API
/* Track types initialized using _PyStaticType_InitBuiltin(). */
#define _Py_TPFLAGS_STATIC_BUILTIN (1 << 1)
/* Placement of dict (and values) pointers are managed by the VM, not by the type.
* The VM will automatically set tp_dictoffset. Should not be used for variable sized
* classes, such as classes that extend tuple.