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3bd937b49a
The @pythondir@ placeholder is meant for build-time substitution, such as with autoconf. autoconf is not used in the kernel. Let's replace that mechanism with one that better enables the xdrgen script to be run from any directory. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
140 lines
4.0 KiB
Python
Executable File
140 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# ex: set filetype=python:
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"""Translate an XDR specification into executable code that
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can be compiled for the Linux kernel."""
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__author__ = "Chuck Lever"
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__copyright__ = "Copyright (c) 2024 Oracle and/or its affiliates."
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__license__ = "GPL-2.0 only"
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__version__ = "0.2"
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import sys
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from pathlib import Path
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import argparse
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_XDRGEN_DIR = Path(__file__).resolve().parent
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if str(_XDRGEN_DIR) not in sys.path:
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sys.path.insert(0, str(_XDRGEN_DIR))
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from subcmds import definitions
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from subcmds import declarations
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from subcmds import lint
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from subcmds import source
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sys.path.insert(1, "@pythondir@")
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def main() -> int:
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"""Parse command-line options"""
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parser = argparse.ArgumentParser(
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description="Convert an XDR specification to Linux kernel source code",
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epilog="""\
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Copyright (c) 2024 Oracle and/or its affiliates.
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License GPLv2: <http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>
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This is free software. You are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.""",
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)
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parser.add_argument(
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"--version",
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help="Display the version of this tool",
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action="version",
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version=__version__,
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)
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subcommands = parser.add_subparsers(title="Subcommands", required=True)
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definitions_parser = subcommands.add_parser(
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"definitions", help="Generate XDR definitions"
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)
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definitions_parser.add_argument(
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"--annotate",
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action="store_true",
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default=False,
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help="Add annotation comments",
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)
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definitions_parser.add_argument(
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"--language",
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action="store_true",
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default="C",
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help="Output language",
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)
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definitions_parser.add_argument(
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"--peer",
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choices=["server", "client",],
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default="server",
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help="Generate header code for client or server side",
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type=str,
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)
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definitions_parser.add_argument("filename", help="File containing an XDR specification")
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definitions_parser.set_defaults(func=definitions.subcmd)
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declarations_parser = subcommands.add_parser(
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"declarations", help="Generate function declarations"
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)
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declarations_parser.add_argument(
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"--annotate",
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action="store_true",
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default=False,
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help="Add annotation comments",
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)
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declarations_parser.add_argument(
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"--language",
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action="store_true",
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default="C",
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help="Output language",
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)
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declarations_parser.add_argument(
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"--peer",
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choices=["server", "client",],
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default="server",
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help="Generate code for client or server side",
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type=str,
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)
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declarations_parser.add_argument("filename", help="File containing an XDR specification")
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declarations_parser.set_defaults(func=declarations.subcmd)
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linter_parser = subcommands.add_parser("lint", help="Check an XDR specification")
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linter_parser.add_argument("filename", help="File containing an XDR specification")
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linter_parser.set_defaults(func=lint.subcmd)
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source_parser = subcommands.add_parser(
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"source", help="Generate XDR encoder and decoder source code"
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)
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source_parser.add_argument(
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"--annotate",
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action="store_true",
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default=False,
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help="Add annotation comments",
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)
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source_parser.add_argument(
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"--language",
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action="store_true",
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default="C",
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help="Output language",
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)
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source_parser.add_argument(
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"--peer",
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choices=["server", "client",],
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default="server",
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help="Generate code for client or server side",
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type=str,
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)
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source_parser.add_argument("filename", help="File containing an XDR specification")
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source_parser.set_defaults(func=source.subcmd)
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args = parser.parse_args()
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return args.func(args)
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try:
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if __name__ == "__main__":
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sys.exit(main())
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except SystemExit:
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sys.exit(0)
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except (KeyboardInterrupt, BrokenPipeError):
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sys.exit(1)
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