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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
//
//===----------------------------------------------------------------------===//
public import SWBUtil
import Foundation
public struct ModuleVerifierTarget: Equatable {
public let value: String
public var architecture: String? {
value.components(separatedBy: "-").first
}
public var vendor: String? {
value.components(separatedBy: "-").dropFirst().first
}
public var osAndVersion: String? {
value.components(separatedBy: "-").dropFirst(2).first
}
public var environment: String? {
value.components(separatedBy: "-").dropFirst(3).first
}
init(target: String) {
self.value = target
}
}
extension ModuleVerifierTarget {
static func targets(from targets: [String]) -> [ModuleVerifierTarget] {
return targets.map { ModuleVerifierTarget(target: $0) }
}
}
public struct ModuleVerifierTargetSet: Equatable {
public let language: ModuleVerifierLanguage
public let standard: ModuleVerifierLanguage.Standard
public let target: ModuleVerifierTarget
public let targetVariant: ModuleVerifierTarget?
public init(language: ModuleVerifierLanguage, standard: ModuleVerifierLanguage.Standard, target: ModuleVerifierTarget, targetVariant: ModuleVerifierTarget? = nil) {
self.language = language
self.standard = standard
self.target = target
self.targetVariant = targetVariant
}
}
extension ModuleVerifierTargetSet {
public init(language: ModuleVerifierLanguage, standard: ModuleVerifierLanguage.Standard, target: String, targetVariant: String?) {
self.language = language
self.target = ModuleVerifierTarget(target: target)
if let targetVariant {
self.targetVariant = ModuleVerifierTarget(target: targetVariant)
} else {
self.targetVariant = nil
}
self.standard = standard
}
public static func combinations(languages: [ModuleVerifierLanguage], targets: [String], targetVariants: [String], standards: [ModuleVerifierLanguage.Standard]) -> [ModuleVerifierTargetSet] {
return ModuleVerifierTargetSet.combinations(languages: languages,
targets: ModuleVerifierTarget.targets(from: targets),
targetVariants: ModuleVerifierTarget.targets(from: targetVariants),
standards: standards)
}
private static func combinations(languages: [ModuleVerifierLanguage], targets: [ModuleVerifierTarget], targetVariants: [ModuleVerifierTarget], standards: [ModuleVerifierLanguage.Standard]) -> [ModuleVerifierTargetSet] {
var combinations: [ModuleVerifierTargetSet] = []
var variants: [String: ModuleVerifierTarget] = [:]
for variant in targetVariants {
if let architecture = variant.architecture {
variants[architecture] = variant
}
}
let languagesAndStandards = languages.map { language in
return (language, language.standards(from: standards))
}
for target in targets {
if let architecture = target.architecture, let variant = variants[architecture] {
for (language, standards) in languagesAndStandards {
for standard in standards {
combinations.append(ModuleVerifierTargetSet(language: language, standard: standard, target: target, targetVariant: variant))
combinations.append(ModuleVerifierTargetSet(language: language, standard: standard, target: variant, targetVariant: target))
}
}
} else {
for (language, standards) in languagesAndStandards {
for standard in standards {
combinations.append(ModuleVerifierTargetSet(language: language, standard: standard, target: target, targetVariant: nil))
}
}
}
}
return combinations
}
}
extension ModuleVerifierTargetSet {
public static func verifyTargets(targets: [String], targetVariants: [String]) -> [Diagnostic] {
return ModuleVerifierTargetSet.verifyTargets(targets: ModuleVerifierTarget.targets(from: targets),
targetVariants: ModuleVerifierTarget.targets(from: targetVariants))
}
static func verifyTargets(targets: [ModuleVerifierTarget], targetVariants: [ModuleVerifierTarget]) -> [Diagnostic] {
var diagnostics: [Diagnostic] = []
let partitionedTargets = ModuleVerifierTargetSet.partition(targets: targets)
let partitionedTargetVariants = ModuleVerifierTargetSet.partition(targets: targetVariants)
diagnostics += ModuleVerifierTargetSet.verifyDuplicateArchitecture(partitionedTargets: partitionedTargets)
diagnostics += ModuleVerifierTargetSet.verifyDuplicateArchitecture(partitionedTargets: partitionedTargetVariants)
diagnostics += ModuleVerifierTargetSet.verifyMatchingTargetForVariant(partitionedTargets: partitionedTargets, partitionedTargetVariants: partitionedTargetVariants)
return diagnostics
}
private static func partition(targets: [ModuleVerifierTarget]) -> [String: [ModuleVerifierTarget]] {
var partitionedTargets: [String: [ModuleVerifierTarget]] = [:]
for target in targets {
partitionedTargets[target.architecture ?? "", default: []].append(target)
}
return partitionedTargets
}
private static func verifyDuplicateArchitecture(partitionedTargets: [String: [ModuleVerifierTarget]]) -> [Diagnostic] {
var diagnostics: [Diagnostic] = []
for (_, targets) in partitionedTargets {
if targets.count > 1 {
diagnostics.append(Diagnostic(behavior: .warning, location: .buildSettings(names: ["MODULE_VERIFIER_TARGET_TRIPLE_ARCHS"]), data: DiagnosticData("Duplicate target architectures found - \(targets.map { $0.value }.joined(separator: ", "))")))
}
}
return diagnostics
}
private static func verifyMatchingTargetForVariant(partitionedTargets: [String: [ModuleVerifierTarget]],
partitionedTargetVariants: [String: [ModuleVerifierTarget]]) -> [Diagnostic] {
var diagnostics: [Diagnostic] = []
for (architecture, targetVariants) in partitionedTargetVariants {
if partitionedTargets[architecture] == nil {
diagnostics.append(Diagnostic(behavior: .warning, location: .buildSettings(names: ["MODULE_VERIFIER_TARGET_TRIPLE_VARIANTS"]), data: DiagnosticData("No matching target for target variant - \(targetVariants.map { $0.value }.joined(separator: ", "))")))
}
}
return diagnostics
}
public static func verifyLanguages(languages: [ModuleVerifierLanguage], standards: [ModuleVerifierLanguage.Standard]) -> [Diagnostic] {
var diagnostics: [Diagnostic] = []
for language in languages {
if language.standards(from: standards).isEmpty {
let standardStrings = standards.map { $0.rawValue }.joined(separator: " ")
diagnostics.append(Diagnostic(behavior: .error, location: .buildSettings(names: ["MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS", "MODULE_VERIFIER_SUPPORTED_LANGUAGES"]), data: DiagnosticData("No standard in \"\(standardStrings)\" is valid for language \(language.rawValue)")))
}
}
return diagnostics
}
}
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