swift-plugin-server: update for throwing SwiftSyntax API #78114
Merged
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Depends on swiftlang/swift-syntax#2915
The
main
method onCompilerPluginMessageListener
in SwiftSyntax can synchronously clean up resources that cannot be dealt with in a deinitializer due to possible errors thrown during the clean up. Usually this includes closure of file handles, sockets, shutting down external processes and IPC resources set up for these processes, etc.