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58 lines
1.9 KiB
Swift
58 lines
1.9 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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package import Foundation
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@_spi(SourceKitLSP) import LanguageServerProtocolExtensions
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import TSCExtensions
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import class TSCBasic.Process
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#if os(Windows)
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import WinSDK
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#endif
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// Returns the path to the given tool, as found by `xcrun --find` on macOS, or `which` on Linux.
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package func findTool(name: String) async -> URL? {
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#if os(macOS)
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let cmd = ["/usr/bin/xcrun", "--find", name]
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#elseif os(Windows)
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var buf = [WCHAR](repeating: 0, count: Int(MAX_PATH))
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GetWindowsDirectoryW(&buf, DWORD(MAX_PATH))
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let wherePath = String(decodingCString: &buf, as: UTF16.self)
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.appendingPathComponent("system32")
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.appendingPathComponent("where.exe")
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let cmd = [wherePath, name]
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#elseif os(Android)
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let cmd = ["/system/bin/which", name]
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#else
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let cmd = ["/usr/bin/which", name]
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#endif
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guard let result = try? await Process.run(arguments: cmd, workingDirectory: nil) else {
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return nil
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}
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guard var path = try? String(bytes: result.output.get(), encoding: .utf8) else {
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return nil
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}
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#if os(Windows)
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// where.exe returns all files that match the name. We only care about the first one.
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if let newlineIndex = path.firstIndex(where: \.isNewline) {
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path = String(path[..<newlineIndex])
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}
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#endif
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path = path.trimmingCharacters(in: .whitespacesAndNewlines)
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if path.isEmpty {
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return nil
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}
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return URL(fileURLWithPath: path, isDirectory: false)
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}
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