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78 lines
2.9 KiB
Swift
78 lines
2.9 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 - 2020 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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@_spi(SourceKitLSP) package import LanguageServerProtocol
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@_spi(SourceKitLSP) package import SKLogging
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import SwiftExtensions
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// MARK: - Build settings logger
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/// Shared logger that only logs build settings for a file once unless they change
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package actor BuildSettingsLogger {
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private var loggedSettings: [DocumentURI: FileBuildSettings] = [:]
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package func log(level: LogLevel = .default, settings: FileBuildSettings, for uri: DocumentURI) {
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guard loggedSettings[uri] != settings else {
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return
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}
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loggedSettings[uri] = settings
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Self.log(level: level, settings: settings, for: uri)
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}
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/// Log the given build settings for a single file
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///
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/// In contrast to the instance method `log`, this will always log the build settings. The instance method only logs
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/// the build settings if they have changed.
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package static func log(level: LogLevel = .default, settings: FileBuildSettings, for uri: DocumentURI) {
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log(level: level, settings: settings, for: [uri])
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}
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/// Log the given build settings for a list of source files that all share the same build settings.
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///
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/// In contrast to the instance method `log`, this will always log the build settings. The instance method only logs
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/// the build settings if they have changed.
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package static func log(level: LogLevel = .default, settings: FileBuildSettings, for uris: [DocumentURI]) {
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let header: String
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if let uri = uris.only {
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header = "Build settings for \(uri.forLogging)"
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} else if let firstUri = uris.first {
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header = "Build settings for \(firstUri.forLogging) and \(uris.count - 1) others"
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} else {
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header = "Build settings for empty list"
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}
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log(level: level, settings: settings, header: header)
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}
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private static func log(level: LogLevel = .default, settings: FileBuildSettings, header: String) {
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let log = """
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Compiler Arguments:
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\(settings.compilerArguments.joined(separator: "\n"))
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Working directory:
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\(settings.workingDirectory ?? "<nil>")
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"""
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let chunks = splitLongMultilineMessage(message: log)
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// Only print the first 100 chunks. If the argument list gets any longer, we don't want to spam the log too much.
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// In practice, 100 chunks should be sufficient.
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for (index, chunk) in chunks.enumerated().prefix(100) {
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logger.log(
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level: level,
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"""
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\(header) (\(index + 1)/\(chunks.count))
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\(chunk)
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"""
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)
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}
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}
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}
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