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GH-90699: Intern statically allocated strings (GH-93597)

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This is similar to how strings are interned for deepfreeze.
This commit is contained in:
Kumar Aditya 2022-07-08 23:17:37 +05:30 • committed by GitHub
parent be862b4e55
commit 9dff9f4814
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3 changed files with 628 additions and 4 deletions
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14
Tools/scripts/generate_global_objects.py
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@ -284,6 +284,15 @@ def generate_runtime_init(identifiers, strings):
printer.write('')
with printer.block('.tuple_empty =', ','):
printer.write('.ob_base = _PyVarObject_IMMORTAL_INIT(&PyTuple_Type, 0)')
printer.write('')
printer.write("static inline void")
with printer.block("_PyUnicode_InitStaticStrings(void)"):
printer.write(f'PyObject *string;')
for i in sorted(identifiers):
# This use of _Py_ID() is ignored by iter_global_strings()
# since iter_files() ignores .h files.
printer.write(f'string = &_Py_ID({i});')
printer.write(f'PyUnicode_InternInPlace(&string);')
printer.write(END)
printer.write(after)
@ -314,7 +323,4 @@ def main() -> None:
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
args = parser.parse_args()
main(**vars(args))
main()