91 lines
2.6 KiB
Python
91 lines
2.6 KiB
Python
"""
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Utility script to migrate SYS_INIT() calls from the old signature
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``int (*init_fn)(const struct device *dev)`` to ``int (*init_fn)(void)``.
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.. warning::
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Review the output carefully! This script may not cover all cases!
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Usage::
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python $ZEPHYR_BASE/scripts/utils/migrate_sys_init.py \
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-p path/to/zephyr-based-project
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Copyright (c) 2022 Nordic Semiconductor ASA
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SPDX-License-Identifier: Apache-2.0
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"""
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import argparse
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from pathlib import Path
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import re
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def update_sys_init(project, dry_run):
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for p in project.glob("**/*"):
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if not p.is_file() or not p.suffix or p.suffix[1:] not in ("c", "cpp"):
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continue
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with open(p) as f:
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lines = f.readlines()
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sys_inits = []
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for line in lines:
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m = re.match(r"^SYS_INIT\(([A-Za-z0-9_]+),.*", line)
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if m:
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sys_inits.append(m.group(1))
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continue
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m = re.match(r"^SYS_INIT_NAMED\([A-Za-z0-9_]+,\s?([A-Za-z0-9_]+).*", line)
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if m:
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sys_inits.append(m.group(1))
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continue
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if not sys_inits:
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continue
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arg = None
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content = ""
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update = False
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unused = False
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for line in lines:
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m = re.match(
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r"(.*)int ("
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+ "|".join(sys_inits)
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+ r")\(const\s+struct\s+device\s+\*\s?(.*)\)(.*)",
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line,
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)
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if m:
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b, sys_init, arg, e = m.groups()
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content += f"{b}int {sys_init}(void){e}\n"
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update = True
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elif arg:
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m = re.match(r"^\s?ARG_UNUSED\(" + arg + r"\);.*$", line)
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if m:
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arg = None
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unused = True
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else:
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content += line
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elif unused:
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m = re.match(r"^\s?\n$", line)
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if not m:
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content += line
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unused = False
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else:
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content += line
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if update:
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print(f"Updating {p}{' (dry run)' if dry_run else ''}")
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if not dry_run:
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with open(p, "w") as f:
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f.write(content)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(allow_abbrev=False)
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parser.add_argument(
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"-p", "--project", type=Path, required=True, help="Zephyr-based project path"
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)
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parser.add_argument("--dry-run", action="store_true", help="Dry run")
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args = parser.parse_args()
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update_sys_init(args.project, args.dry_run)
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