74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
#!/usr/bin/env python
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# This pre-processor parses a single file containing a list of
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# MP_REGISTER_MODULE(module_name, obj_module)
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# These are used to generate a header with the required entries for
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# "mp_rom_map_elem_t mp_builtin_module_table[]" in py/objmodule.c
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from __future__ import print_function
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import re
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import io
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import argparse
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pattern = re.compile(r"\s*MP_REGISTER_MODULE\((.*?),\s*(.*?)\);", flags=re.DOTALL)
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def find_module_registrations(filename):
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"""Find any MP_REGISTER_MODULE definitions in the provided file.
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:param str filename: path to file to check
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:return: List[(module_name, obj_module)]
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"""
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global pattern
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with io.open(filename, encoding="utf-8") as c_file_obj:
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return set(re.findall(pattern, c_file_obj.read()))
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def generate_module_table_header(modules):
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"""Generate header with module table entries for builtin modules.
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:param List[(module_name, obj_module)] modules: module defs
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:return: None
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"""
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# Print header file for all external modules.
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mod_defs = set()
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print("// Automatically generated by makemoduledefs.py.\n")
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for module_name, obj_module in modules:
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mod_def = "MODULE_DEF_{}".format(module_name.upper())
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mod_defs.add(mod_def)
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print(
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(
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"extern const struct _mp_obj_module_t {obj_module};\n"
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"#undef {mod_def}\n"
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"#define {mod_def} {{ MP_ROM_QSTR({module_name}), MP_ROM_PTR(&{obj_module}) }},\n"
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).format(
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module_name=module_name,
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obj_module=obj_module,
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mod_def=mod_def,
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)
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)
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print("\n#define MICROPY_REGISTERED_MODULES \\")
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for mod_def in sorted(mod_defs):
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print(" {mod_def} \\".format(mod_def=mod_def))
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print("// MICROPY_REGISTERED_MODULES")
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("file", nargs=1, help="file with MP_REGISTER_MODULE definitions")
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args = parser.parse_args()
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modules = find_module_registrations(args.file[0])
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generate_module_table_header(sorted(modules))
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if __name__ == "__main__":
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main()
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