Plugin
Defines functionality common to all SwiftPM plugins, such as the way to instantiate the plugin.
Protocols.swift:20protocol PluginA future improvement to SwiftPM would be to allow usage of a plugin to also provide configuration parameters for that plugin. A proposal that adds such a facility should also add initializers to set those values as plugin properties.
Requirements
Type members
init() Instantiates the plugin. This happens once per invocation of the plugin; there is no facility for keeping in-memory state from one invocation to the next. Most plugins do not need to implement the initializer.
Citizens in PackagePlugin
Type members
static func main() async throws Main entry point of the plugin — sets up a communication channel with the plugin host and runs the main message loop.
Subtypes
protocol BuildToolPluginDefines functionality for all plugins having a
buildToolcapability.protocol CommandPluginDefines functionality for all plugins that have a
commandcapability.