Descriptor support in proto_library
This is needed in order to enable support for extension-based typed
tracing events. For more information, see
https://perfetto.dev/docs/design-docs/extensions
Change-Id: I43bd82ee1c94cf7ae5be0a1fd7db4104cf8ece6a
Bug: 161696674
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2332180
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Reviewed-by: Tommy Nyquist <nyquist@chromium.org>
Reviewed-by: Eric Seckler <eseckler@chromium.org>
Commit-Queue: Andrew Shulaev <ddrone@google.com>
Cr-Original-Commit-Position: refs/heads/master@{#795191}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: b1d7759d36da84dbe1849145d8f014ce4f7506a5
diff --git a/protoc_wrapper.py b/protoc_wrapper.py
index e750880..d096f60 100755
--- a/protoc_wrapper.py
+++ b/protoc_wrapper.py
@@ -97,6 +97,8 @@
parser.add_argument("--import-dir", action="append", default=[],
help="Extra import directory for protos, can be repeated."
)
+ parser.add_argument("--descriptor-set-out",
+ help="Path to write a descriptor.")
parser.add_argument("protos", nargs="+",
help="Input protobuf definition file(s).")
@@ -151,6 +153,9 @@
protoc_cmd += [os.path.join(proto_dir, name) for name in protos]
+ if options.descriptor_set_out:
+ protoc_cmd += ["--descriptor_set_out", options.descriptor_set_out]
+
ret = subprocess.call(protoc_cmd)
if ret != 0:
if ret <= -100:
