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# lib9p/protogen/__init__.py - Generate C marshalers/unmarshalers for
# .9p files defining 9P protocol variants
#
# Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later
import os.path
import sys
import typing
import idl
from . import c, h
# pylint: disable=unused-variable
__all__ = ["main"]
def main() -> None:
if typing.TYPE_CHECKING:
class ANSIColors:
MAGENTA = "\x1b[35m"
RED = "\x1b[31m"
RESET = "\x1b[0m"
else:
from _colorize import ANSIColors # Present in Python 3.13+
if len(sys.argv) < 2:
raise ValueError("requires at least 1 .9p filename")
parser = idl.Parser()
for txtname in sys.argv[1:]:
try:
parser.parse_file(txtname)
except SyntaxError as e:
print(
f"{ANSIColors.RED}{e.filename}{ANSIColors.RESET}:{ANSIColors.MAGENTA}{e.lineno}{ANSIColors.RESET}: {e.msg}",
file=sys.stderr,
)
assert e.text
print(f"\t{e.text}", file=sys.stderr)
text_suffix = e.text.lstrip()
text_prefix = e.text[: -len(text_suffix)]
print(
f"\t{text_prefix}{ANSIColors.RED}{'~'*len(text_suffix)}{ANSIColors.RESET}",
file=sys.stderr,
)
sys.exit(2)
versions, typs = parser.all()
outdir = os.path.normpath(os.path.join(sys.argv[0], ".."))
with open(
os.path.join(outdir, "include/lib9p/9p.generated.h"), "w", encoding="utf-8"
) as fh:
fh.write(h.gen_h(versions, typs))
with open(os.path.join(outdir, "9p.generated.c"), "w", encoding="utf-8") as fh:
fh.write(c.gen_c(versions, typs))
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