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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 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 the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#if swift(>=6)
public import SwiftSyntax
#else
import SwiftSyntax
#endif
extension TokenSyntax {
/// The indentation of this token
///
/// In contrast to `indentationOfLine`, this does not walk to previous tokens to
/// find the indentation of the line this token occurs on.
private var indentation: Trivia? {
let previous = self.previousToken(viewMode: .sourceAccurate)
return ((previous?.trailingTrivia ?? []) + leadingTrivia).indentation(isOnNewline: previous == nil)
}
/// Returns the indentation of the line this token occurs on
public var indentationOfLine: Trivia {
var token: TokenSyntax = self
if let indentation = token.indentation {
return indentation
}
while let previous = token.previousToken(viewMode: .sourceAccurate) {
token = previous
if let indentation = token.indentation {
return indentation
}
}
return []
}
}
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