internal proto_library change

PiperOrigin-RevId: 660861340

bazel/common/proto_common.bzl

@@ -123,6 +123,7 @@ def _compile(
         additional_args = None,
         additional_tools = [],
         additional_inputs = depset(),
+        additional_proto_lang_toolchain_info = None,
         resource_set = None,
         experimental_exec_group = None,
         experimental_progress_message = None,
@@ -146,6 +147,9 @@ def _compile(
         of the command line.
       additional_tools: (list[File]) Additional tools to add to the action.
       additional_inputs: (Depset[File]) Additional input files to add to the action.
+      additional_proto_lang_toolchain_info: (list[ProtoLangToolchainInfo]) Additional proto lang
+        toolchain info for invoking multiple plugins in a single protoc invocation. For example,
+        this is needed for plugin insertion points.
       resource_set: (func) A callback function that is passed to the created action.
         See `ctx.actions.run`, `resource_set` parameter for full definition of
         the callback.
@@ -187,6 +191,10 @@ def _compile(
         tools.append(proto_lang_toolchain_info.plugin)
         args.add(proto_lang_toolchain_info.plugin.executable, format = proto_lang_toolchain_info.plugin_format_flag)
 
+    if additional_proto_lang_toolchain_info != None:
+        tools.append(additional_proto_lang_toolchain_info.plugin)
+        args.add(additional_proto_lang_toolchain_info.plugin.executable, format = additional_proto_lang_toolchain_info.plugin_format_flag)
+
     # Protoc searches for .protos -I paths in order they are given and then
     # uses the path within the directory as the package.
     # This requires ordering the paths from most specific (longest) to least
@@ -212,7 +220,7 @@ def _compile(
         mnemonic = proto_lang_toolchain_info.mnemonic,
         progress_message = experimental_progress_message if experimental_progress_message else proto_lang_toolchain_info.progress_message,
         executable = proto_lang_toolchain_info.proto_compiler,
-        arguments = [additional_args, args] if additional_args else [args],
+        arguments = [args, additional_args] if additional_args else [args],
         inputs = depset(transitive = [proto_info.transitive_sources, additional_inputs]),
         outputs = generated_files,
         tools = tools,