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gh-101476: Add _PyType_GetModuleState #101477

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Merged
merged 11 commits into from
Feb 23, 2023
Merged

gh-101476: Add _PyType_GetModuleState #101477

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795763c
gh-101476: Add _PyType_GetModuleState
erlend-aasland Jan 31, 2023
813fd94
Also assert that module != NULL
erlend-aasland Jan 31, 2023
959367e
Update Include/internal/pycore_typeobject.h
erlend-aasland Feb 1, 2023
62d9dad
Sync with main
erlend-aasland Feb 3, 2023
6ce3ab0
Address review: add comment
erlend-aasland Feb 3, 2023
52be3ef
Sync with main
erlend-aasland Feb 6, 2023
c76260a
Address review: follow existing naming convention for fast APIs
erlend-aasland Feb 6, 2023
cc628d9
Sync with main
erlend-aasland Feb 10, 2023
fc2a473
Amend
erlend-aasland Feb 10, 2023
52bb5ee
Pull in main
erlend-aasland Feb 23, 2023
049ace5
Revert name change
erlend-aasland Feb 23, 2023
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16 changes: 16 additions & 0 deletions Include/internal/pycore_typeobject.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
extern "C" {
#endif

#include "pycore_moduleobject.h"

#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
Expand Down Expand Up @@ -62,6 +64,20 @@ _PyStaticType_GET_WEAKREFS_LISTPTR(static_builtin_state *state)
return &state->tp_weaklist;
}

/* Like PyType_GetModuleState, but skips verification
* that type is a heap type with an associated module */
static inline void *
_PyType_GET_MODULE_STATE(PyTypeObject *type)
{
assert(PyType_Check(type));
assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
PyHeapTypeObject *et = (PyHeapTypeObject *)type;
assert(et->ht_module);
PyModuleObject *mod = (PyModuleObject *)(et->ht_module);
assert(mod != NULL);
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This assertion is the same than assert(et->ht_module);, no? If you only keep one, I suggest keeping assert(mod != NULL); since we use mod below.

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... or the first assert could be changed to assert(et != NULL).

return mod->md_state;
}

struct types_state {
struct type_cache type_cache;
size_t num_builtins_initialized;
Expand Down