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//===--------------- BuildModulesFromGraph.swift --------------------------===//
//
// 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 Foundation
let fileName = CommandLine.arguments[1]
let swiftPath = CommandLine.arguments[2]
let moduleName = CommandLine.arguments[3]
let data = try! Data(contentsOf: URL(fileURLWithPath: fileName))
let decoder = JSONDecoder()
let moduleDependencyGraph = try! decoder.decode(
ModuleDependencyGraph.self, from: data)
func findModuleBuildingCommand(_ moduleName: String) -> [String]? {
for (_, dep) in moduleDependencyGraph.modules {
if URL(fileURLWithPath: dep.modulePath).lastPathComponent == moduleName {
switch dep.details {
case .swift(let details):
return details.commandLine
case .clang(let details):
return details.commandLine
}
} else {
continue
}
}
return nil
}
if let command = findModuleBuildingCommand(moduleName) {
var result = swiftPath
command.forEach { result += " \($0)"}
// Pass down additional args to the Swift invocation.
CommandLine.arguments.dropFirst(4).forEach { result += " \($0)"}
print(result)
exit(0)
} else {
fatalError("cannot find module building commands for \(moduleName)")
}
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