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aefa1688e4
In the fallback build system use the URIs pseudo path to construct compiler arguments. For non-file URIs this means passing the raw URI as the filename. We were already testing non-existing file-URLs like /a.txt and arbitrary URIs seem to allow semantic functionality as well.
97 lines
3.0 KiB
Swift
97 lines
3.0 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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import BuildServerProtocol
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import LanguageServerProtocol
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import TSCBasic
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import enum TSCUtility.Platform
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/// A simple BuildSystem suitable as a fallback when accurate settings are unknown.
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public final class FallbackBuildSystem: BuildSystem {
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public init() {}
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/// The path to the SDK.
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public lazy var sdkpath: AbsolutePath? = {
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if case .darwin? = Platform.currentPlatform,
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let str = try? Process.checkNonZeroExit(
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args: "/usr/bin/xcrun", "--show-sdk-path", "--sdk", "macosx"),
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let path = try? AbsolutePath(validating: str.spm_chomp())
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{
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return path
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}
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return nil
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}()
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/// Delegate to handle any build system events.
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public weak var delegate: BuildSystemDelegate? = nil
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public var indexStorePath: AbsolutePath? { return nil }
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public var indexDatabasePath: AbsolutePath? { return nil }
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public func settings(for uri: DocumentURI, _ language: Language) -> FileBuildSettings? {
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switch language {
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case .swift:
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return settingsSwift(uri.pseudoPath)
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case .c, .cpp, .objective_c, .objective_cpp:
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return settingsClang(uri.pseudoPath, language)
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default:
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return nil
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}
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}
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/// We don't support change watching.
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public func registerForChangeNotifications(for: DocumentURI) {}
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/// We don't support change watching.
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public func unregisterForChangeNotifications(for: DocumentURI) {}
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public func toolchain(for: DocumentURI, _ language: Language) -> Toolchain? { return nil }
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public func buildTargets(reply: @escaping (LSPResult<[BuildTarget]>) -> Void) {
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reply(.failure(buildTargetsNotSupported))
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}
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public func buildTargetSources(targets: [BuildTargetIdentifier], reply: @escaping (LSPResult<[SourcesItem]>) -> Void) {
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reply(.failure(buildTargetsNotSupported))
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}
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public func buildTargetOutputPaths(targets: [BuildTargetIdentifier], reply: @escaping (LSPResult<[OutputsItem]>) -> Void) {
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reply(.failure(buildTargetsNotSupported))
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}
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func settingsSwift(_ file: String) -> FileBuildSettings {
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var args: [String] = []
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if let sdkpath = sdkpath {
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args += [
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"-sdk",
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sdkpath.pathString,
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]
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}
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args.append(file)
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return FileBuildSettings(compilerArguments: args)
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}
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func settingsClang(_ file: String, _ language: Language) -> FileBuildSettings {
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var args: [String] = []
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if let sdkpath = sdkpath {
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args += [
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"-isysroot",
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sdkpath.pathString,
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]
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}
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args.append(file)
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return FileBuildSettings(compilerArguments: args)
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}
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}
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