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xdrgen: Report unsupported client-side directives without a traceback

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The struct and union emitters raise NotImplementedError when a
"pragma pages" or "pragma aggregate" member is generated for the
client peer. The source subcommand catches the parse and semantic
errors but not that one, so a client generation request for such a
specification emits partial output and then a Python traceback,
which buries the one line that says what is unsupported.

Catch the exception in the source subcommand and report its message
on stderr the way the other diagnostics are reported.

Signed-off-by: Chuck Lever <cel@kernel.org>
This commit is contained in:
Chuck Lever 2026-09-08 11:16:00 -04:00
parent aa41b1bc75
commit f10ffc2433
1 changed files with 12 additions and 7 deletions
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19
tools/net/sunrpc/xdrgen/subcmds/source.py
View File

@ -5,6 +5,7 @@
can be compiled for the Linux kernel."""
import logging
import sys
from argparse import Namespace
from lark import logger
@ -126,12 +127,16 @@ def subcmd(args: Namespace) -> int:
except XdrSemanticError as e:
handle_semantic_error(e, source, args.filename)
return 1
match args.peer:
case "server":
generate_server_source(args.filename, ast, args.language)
case "client":
generate_client_source(args.filename, ast, args.language)
case _:
print("Code generation for", args.peer, "is not yet supported")
try:
match args.peer:
case "server":
generate_server_source(args.filename, ast, args.language)
case "client":
generate_client_source(args.filename, ast, args.language)
case _:
print("Code generation for", args.peer, "is not yet supported")
except NotImplementedError as e:
sys.stderr.write(f"{args.filename}: {e}\n")
return 1
return 0