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|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import ArgumentParser
import Basics
import CoreCommands
import Foundation
import PackageGraph
import PackageModel
import PackageModelSyntax
import SwiftParser
import TSCBasic
import TSCUtility
import Workspace
extension SwiftPackageCommand {
struct AddSetting: SwiftCommand {
/// The Swift language setting that can be specified on the command line.
enum SwiftSetting: String, Codable, ExpressibleByArgument, CaseIterable {
case experimentalFeature
case upcomingFeature
case languageMode
case strictMemorySafety = "StrictMemorySafety"
}
package static let configuration = CommandConfiguration(
abstract: "Add a new setting to the manifest."
)
@OptionGroup(visibility: .hidden)
var globalOptions: GlobalOptions
@Option(help: "The target to add the setting to.")
var target: String
@Option(
name: .customLong("swift"),
parsing: .upToNextOption,
help: "The Swift language setting(s) to add. Supported settings: \(SwiftSetting.allCases.map(\.rawValue).joined(separator: ", "))."
)
var _swiftSettings: [String]
var swiftSettings: [(SwiftSetting, String)] {
get throws {
var settings: [(SwiftSetting, String)] = []
for rawSetting in self._swiftSettings {
let (name, value) = rawSetting.spm_split(around: "=")
guard let setting = SwiftSetting(rawValue: name) else {
throw ValidationError("Unknown Swift language setting: \(name)")
}
settings.append((setting, value ?? ""))
}
return settings
}
}
func run(_ swiftCommandState: SwiftCommandState) throws {
if !self._swiftSettings.isEmpty {
try Self.editSwiftSettings(
of: self.target,
using: swiftCommandState,
self.swiftSettings,
verbose: !self.globalOptions.logging.quiet
)
}
}
package static func editSwiftSettings(
of target: String,
using swiftCommandState: SwiftCommandState,
_ settings: [(SwiftSetting, String)],
verbose: Bool = false
) throws {
let workspace = try swiftCommandState.getActiveWorkspace()
guard let packagePath = try swiftCommandState.getWorkspaceRoot().packages.first else {
throw StringError("unknown package")
}
try self.applyEdits(
packagePath: packagePath,
workspace: workspace,
target: target,
swiftSettings: settings
)
}
private static func applyEdits(
packagePath: Basics.AbsolutePath,
workspace: Workspace,
target: String,
swiftSettings: [(SwiftSetting, String)],
verbose: Bool = false
) throws {
// Load the manifest file
let fileSystem = workspace.fileSystem
let manifestPath = packagePath.appending(component: Manifest.filename)
for (setting, value) in swiftSettings {
let manifestContents: ByteString
do {
manifestContents = try fileSystem.readFileContents(manifestPath)
} catch {
throw StringError("cannot find package manifest in \(manifestPath)")
}
// Parse the manifest.
let manifestSyntax = manifestContents.withData { data in
data.withUnsafeBytes { buffer in
buffer.withMemoryRebound(to: UInt8.self) { buffer in
Parser.parse(source: buffer)
}
}
}
let editResult: PackageEditResult
switch setting {
case .experimentalFeature:
editResult = try AddSwiftSetting.experimentalFeature(
to: target,
name: value,
manifest: manifestSyntax
)
case .upcomingFeature:
editResult = try AddSwiftSetting.upcomingFeature(
to: target,
name: value,
manifest: manifestSyntax
)
case .languageMode:
guard let mode = SwiftLanguageVersion(string: value) else {
throw ValidationError("Unknown Swift language mode: \(value)")
}
editResult = try AddSwiftSetting.languageMode(
to: target,
mode: mode,
manifest: manifestSyntax
)
case .strictMemorySafety:
guard value.isEmpty || value == SwiftSetting.strictMemorySafety.rawValue else {
throw ValidationError("'strictMemorySafety' does not support argument '\(value)'")
}
editResult = try AddSwiftSetting.strictMemorySafety(
to: target,
manifest: manifestSyntax
)
}
try editResult.applyEdits(
to: fileSystem,
manifest: manifestSyntax,
manifestPath: manifestPath,
verbose: verbose
)
}
}
}
}
|
