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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
import PackagePlugin
@main
struct FormatPlugin {
func format(tool: PluginContext.Tool, targetDirectories: [String], configurationFilePath: String?) throws {
let swiftFormatExec = URL(fileURLWithPath: tool.path.string)
var arguments: [String] = ["format"]
arguments.append(contentsOf: targetDirectories)
arguments.append(contentsOf: ["--recursive", "--parallel", "--in-place"])
if let configurationFilePath = configurationFilePath {
arguments.append(contentsOf: ["--configuration", configurationFilePath])
}
let process = try Process.run(swiftFormatExec, arguments: arguments)
process.waitUntilExit()
if process.terminationReason == .exit && process.terminationStatus == 0 {
print("Formatted the source code.")
} else {
let problem = "\(process.terminationReason):\(process.terminationStatus)"
Diagnostics.error("swift-format invocation failed: \(problem)")
}
}
}
extension FormatPlugin: CommandPlugin {
func performCommand(
context: PluginContext,
arguments: [String]
) async throws {
let swiftFormatTool = try context.tool(named: "swift-format")
var argExtractor = ArgumentExtractor(arguments)
let targetNames = argExtractor.extractOption(named: "target")
let targetsToFormat =
targetNames.isEmpty ? context.package.targets : try context.package.targets(named: targetNames)
let configurationFilePath = argExtractor.extractOption(named: "swift-format-configuration").first
let sourceCodeTargets = targetsToFormat.compactMap { $0 as? SourceModuleTarget }
try format(
tool: swiftFormatTool,
targetDirectories: sourceCodeTargets.map(\.directory.string),
configurationFilePath: configurationFilePath
)
}
}
#if canImport(XcodeProjectPlugin)
import XcodeProjectPlugin
extension FormatPlugin: XcodeCommandPlugin {
func performCommand(context: XcodeProjectPlugin.XcodePluginContext, arguments: [String]) throws {
let swiftFormatTool = try context.tool(named: "swift-format")
var argExtractor = ArgumentExtractor(arguments)
let configurationFilePath = argExtractor.extractOption(named: "swift-format-configuration").first
try format(
tool: swiftFormatTool,
targetDirectories: [context.xcodeProject.directory.string],
configurationFilePath: configurationFilePath
)
}
}
#endif
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