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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 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 Swift project authors
//
import SwiftParser
import SwiftSyntax
extension TokenSyntax {
/// A tuple containing the text of this instance with enclosing backticks
/// removed and whether or not they were removed.
private var _textWithoutBackticks: (String, backticksRemoved: Bool) {
let text = text
if case .identifier = tokenKind, text.first == "`" && text.last == "`" && text.count >= 2 {
return (String(text.dropFirst().dropLast()), true)
}
return (text, false)
}
/// The text of this instance with all backticks removed.
///
/// - Bug: This property works around the presence of backticks in `text.`
/// ([swift-syntax-#1936](https://github.com/swiftlang/swift-syntax/issues/1936))
var textWithoutBackticks: String {
_textWithoutBackticks.0
}
/// The raw identifier, not including enclosing backticks, represented by this
/// token, or `nil` if it does not represent one.
var rawIdentifier: String? {
let (textWithoutBackticks, backticksRemoved) = _textWithoutBackticks
if backticksRemoved, !textWithoutBackticks.isValidSwiftIdentifier(for: .memberAccess) {
return textWithoutBackticks
}
return nil
}
}
/// The `static` keyword, if `typeName` is not `nil`.
///
/// - Parameters:
/// - typeName: The name of the type containing the macro being expanded.
///
/// - Returns: A token representing the `static` keyword, or one representing
/// nothing if `typeName` is `nil`.
func staticKeyword(for typeName: TypeSyntax?) -> TokenSyntax {
(typeName != nil) ? .keyword(.static) : .unknown("")
}
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