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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2024 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 Basics
import PackageLoading
import PackageModel
import SwiftParser
import SwiftSyntax
import SwiftSyntaxBuilder
/// Add a package dependency to a manifest's source code.
public struct AddPackageDependency {
/// The set of argument labels that can occur after the "dependencies"
/// argument in the Package initializers.
///
/// TODO: Could we generate this from the the PackageDescription module, so
/// we don't have keep it up-to-date manually?
private static let argumentLabelsAfterDependencies: Set<String> = [
"targets",
"swiftLanguageVersions",
"cLanguageStandard",
"cxxLanguageStandard"
]
/// Produce the set of source edits needed to add the given package
/// dependency to the given manifest file.
public static func addPackageDependency(
_ dependency: PackageDependency,
to manifest: SourceFileSyntax
) throws -> PackageEditResult {
// Make sure we have a suitable tools version in the manifest.
try manifest.checkEditManifestToolsVersion()
guard let packageCall = manifest.findCall(calleeName: "Package") else {
throw ManifestEditError.cannotFindPackage
}
let newPackageCall = try addPackageDependencyLocal(
dependency, to: packageCall
)
return PackageEditResult(
manifestEdits: [
.replace(packageCall, with: newPackageCall.description)
]
)
}
/// Implementation of adding a package dependency to an existing call.
static func addPackageDependencyLocal(
_ dependency: PackageDependency,
to packageCall: FunctionCallExprSyntax
) throws -> FunctionCallExprSyntax {
try packageCall.appendingToArrayArgument(
label: "dependencies",
trailingLabels: Self.argumentLabelsAfterDependencies,
newElement: dependency.asSyntax()
)
}
}
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