56 lines
1.4 KiB
Python
56 lines
1.4 KiB
Python
"""
|
|
This pre-processor parses a single file containing a list of
|
|
MP_REGISTER_ROOT_POINTER(variable declaration) items.
|
|
|
|
These are used to generate a header with the required entries for
|
|
"struct _mp_state_vm_t" in py/mpstate.h
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
import io
|
|
import re
|
|
|
|
|
|
PATTERN = re.compile(r"MP_REGISTER_ROOT_POINTER\((.*?)\);")
|
|
|
|
|
|
def find_root_pointer_registrations(filename):
|
|
"""Find any MP_REGISTER_ROOT_POINTER definitions in the provided file.
|
|
|
|
:param str filename: path to file to check
|
|
:return: List[variable_declaration]
|
|
"""
|
|
with io.open(filename, encoding="utf-8") as c_file_obj:
|
|
return set(re.findall(PATTERN, c_file_obj.read()))
|
|
|
|
|
|
def generate_root_pointer_header(root_pointers):
|
|
"""Generate header with root pointer entries.
|
|
|
|
:param List[variable_declaration] root_pointers: root pointer declarations
|
|
:return: None
|
|
"""
|
|
|
|
# Print header file for all external modules.
|
|
print("// Automatically generated by make_root_pointers.py.")
|
|
print()
|
|
|
|
for item in root_pointers:
|
|
print(item, end=";")
|
|
print()
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("file", nargs=1, help="file with MP_REGISTER_ROOT_POINTER definitions")
|
|
args = parser.parse_args()
|
|
|
|
root_pointers = find_root_pointer_registrations(args.file[0])
|
|
generate_root_pointer_header(sorted(root_pointers))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|