![]() This allows us to query the private PluginKit framework that manages all system extensions. It can be useful to get an overview of installed extensions using the pluginkit tool. In our extension, we just define a single “Format Marks” menu item: var command Definitions : ] as both a Runpath and a Framework Search Path in Build Settings:ĭuring development, Xcode can become confused as to which extensions it sees. Or split up to be handled by multiple classes - whichever you prefer. The commands can all be funneled to a single XCSource Editor Command subclass Which are each defined in the extension target’s ist.īy providing a command Definitions property on the XCSource Editor Extension subclass. Xcode’s one affordance to users is that keybindings can be assigned to extension commands,Įach command gets a stringly-typed identifier, display text, and a class to handle it, These show up at the bottom of the Editor menu when viewing a source code file. The only way a user can interact with an extension is by selecting one of its menu items. XCSource Editor Command Definition Key.name Key User-facing strings for an extension are sprinkled around the extension’s ist or defined at runtime: Display textĮxtension name, as shown in System Preferences Which provides extensions the ability to modify the text and selections of a source file. The target contains ready-made XCSource Editor Extension and XCSource Editor Command subclasses,īoth of those superclasses are part of the XcodeKit framework The new application that you create to wrap extensions The application that calls your extension to do some useful work: (It’s just one of the rules more fully implemented by the SwiftFormat extension.) Creating a Source Editor ExtensionĬreate a new Cocoa app as the containing app,Īnd add a new target using the Xcode Source Editor Extension template. So Xcode can recognize them and add them to the quick navigation bar. Transforms TODO, FIXME and MARK code marks to be uppercased with a trailing colon, Let’s create a simple extension of our own. The extension shows up in the Extensions pane of System Preferences.Īnd it should manifest itself as a menu item. Separate binaries, sandboxed and running in their own process,īut not distributable without a containing app.Ĭompared to using a tool like Homebrew, installation is undoubtedly a pain:Īfter finding, downloading and launching the containing app, Let’s start, though, by looking at the official situation today: Source Editor Extensionsīy now, Apple platform developers will be familiar with extension architecture: We’ll discuss signs that might point to interesting future developments.īut if IDEs with an open attitude are more your thing, Source Editor Extensions have remained unchanged since introduction. Pure text manipulation, instigated by the user from a menu command, on one source file at a time. Unlike plugins, these new extensions are seriously limited in scope. Like other macOS extensions, they can be sold via the App Store or distributed independently. Xcode 8 proposed a solution for the missing plugins in the form of Source Editor Extensions. You can’t use this copy to distribute on the App Store.Īnd besides, the plugin party is now well over. While you can re-sign Xcode to load compatible plugins today, Most of the inventive functionality that plugins added, though, has just plain gone. Or - astonishingly - line breaks in the issue navigator. Looking back at NSHipster’s favorites, some are now thankfully included as a standard feature: Window layout, syntactic and semantic highlighting, changing UI elements,īoilerplate generation, project analysis, bindings for something called Vim (?). Plugins allowed us to tweak pretty much everything about Xcode: In-process code injection, an informally sanctioned and thriving ecosystem of third-party plugins -Īll backed up by an in-app package manager.īut with the introduction of System Integrity Protection in 2016, We scaled the walls and got to work on some much-needed upkeep. Xcode was a supposedly impenetrable castle that we’d leaned a couple of ladders against. We were living in a golden age, and didn’t even know it. When we last wrote about extending Xcode in 2014,
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