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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 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
//
//===----------------------------------------------------------------------===//
#if compiler(>=6)
import Foundation
package import LanguageServerProtocol
import SKLogging
import SourceKitD
import SwiftBasicFormat
#else
import Foundation
import LanguageServerProtocol
import SKLogging
import SourceKitD
import SwiftBasicFormat
#endif
extension SwiftLanguageService {
package func completion(_ req: CompletionRequest) async throws -> CompletionList {
let snapshot = try documentManager.latestSnapshot(req.textDocument.uri)
let completionPos = await adjustPositionToStartOfIdentifier(req.position, in: snapshot)
let offset = snapshot.utf8Offset(of: completionPos)
let filterText = String(snapshot.text[snapshot.indexOf(utf8Offset: offset)..<snapshot.index(of: req.position)])
let clientSupportsSnippets =
capabilityRegistry.clientCapabilities.textDocument?.completion?.completionItem?.snippetSupport ?? false
let buildSettings = await buildSettings(for: snapshot.uri, fallbackAfterTimeout: false)
let inferredIndentationWidth = BasicFormat.inferIndentation(of: await syntaxTreeManager.syntaxTree(for: snapshot))
return try await CodeCompletionSession.completionList(
sourcekitd: sourcekitd,
snapshot: snapshot,
options: options,
indentationWidth: inferredIndentationWidth,
completionPosition: completionPos,
completionUtf8Offset: offset,
cursorPosition: req.position,
compileCommand: buildSettings,
clientSupportsSnippets: clientSupportsSnippets,
filterText: filterText
)
}
}
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