mirror of https://github.com/python/cpython
56 lines
1.9 KiB
Python
Executable File
56 lines
1.9 KiB
Python
Executable File
#!/usr/bin/python
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# Usage: typeslots.py < Include/typeslots.h typeslots.inc
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import sys, re
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def generate_typeslots(out=sys.stdout):
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out.write("/* Generated by typeslots.py */\n")
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res = {}
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for line in sys.stdin:
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m = re.match("#define Py_([a-z_]+) ([0-9]+)", line)
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if not m:
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continue
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member = m.group(1)
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if member == "tp_token":
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# The heap type structure (ht_*) is an implementation detail;
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# the public slot for it has a familiar `tp_` prefix
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member = '{-1, offsetof(PyHeapTypeObject, ht_token)}'
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elif member.startswith("tp_"):
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member = f'{{-1, offsetof(PyTypeObject, {member})}}'
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elif member.startswith("am_"):
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member = (f'{{offsetof(PyAsyncMethods, {member}),'+
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' offsetof(PyTypeObject, tp_as_async)}')
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elif member.startswith("nb_"):
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member = (f'{{offsetof(PyNumberMethods, {member}),'+
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' offsetof(PyTypeObject, tp_as_number)}')
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elif member.startswith("mp_"):
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member = (f'{{offsetof(PyMappingMethods, {member}),'+
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' offsetof(PyTypeObject, tp_as_mapping)}')
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elif member.startswith("sq_"):
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member = (f'{{offsetof(PySequenceMethods, {member}),'+
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' offsetof(PyTypeObject, tp_as_sequence)}')
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elif member.startswith("bf_"):
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member = (f'{{offsetof(PyBufferProcs, {member}),'+
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' offsetof(PyTypeObject, tp_as_buffer)}')
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res[int(m.group(2))] = member
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M = max(res.keys())+1
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for i in range(1,M):
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if i in res:
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out.write("%s,\n" % res[i])
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else:
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out.write("{0, 0},\n")
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def main():
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if len(sys.argv) == 2:
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with open(sys.argv[1], "w") as f:
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generate_typeslots(f)
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else:
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generate_typeslots()
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if __name__ == "__main__":
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main()
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