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//===--------------- OutputFileMapCreator.swift - Swift Testing -----------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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 TSCBasic
import struct Foundation.Data
import class Foundation.JSONEncoder
public struct OutputFileMapCreator {
private let module: String
private let inputPaths: [AbsolutePath]
private let derivedData: AbsolutePath
// The main entry isn't required for some WMO builds
private let excludeMainEntry: Bool
private init(module: String, inputPaths: [AbsolutePath], derivedData: AbsolutePath, excludeMainEntry: Bool) {
self.module = module
self.inputPaths = inputPaths
self.derivedData = derivedData
self.excludeMainEntry = excludeMainEntry
}
public static func write(module: String,
inputPaths: [AbsolutePath],
derivedData: AbsolutePath,
to dst: AbsolutePath,
excludeMainEntry: Bool = false) {
let creator = Self(module: module, inputPaths: inputPaths, derivedData: derivedData, excludeMainEntry: excludeMainEntry)
try! localFileSystem.writeIfChanged(path: dst, bytes: ByteString(creator.generateData()))
}
private func generateDict() -> [String: [String: String]] {
let master = ["swift-dependencies": derivedData.appending(component: "\(module)-master.swiftdeps").nativePathString(escaped: false)]
let mainEntryDict = self.excludeMainEntry ? [:] : ["": master]
func baseNameEntry(_ s: AbsolutePath) -> [String: String] {
[
"dependencies": ".d",
"diagnostics": ".dia",
"llvm-bc": ".bc",
"object": ".o",
"swift-dependencies": ".swiftdeps",
"swiftmodule": "-partial.swiftmodule"
]
.mapValues {"\(derivedData.appending(component: s.basenameWithoutExt))\($0)"}
}
return Dictionary(uniqueKeysWithValues:
inputPaths.map { ("\($0)", baseNameEntry($0)) }
)
.merging(mainEntryDict) {_, _ in fatalError()}
}
private func generateData() -> Data {
let d: [String: [String: String]] = generateDict()
let enc = JSONEncoder()
return try! enc.encode(d)
}
}
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