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//===--- SourceLoc.swift - SourceLoc bridging utilities ------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2022 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
//
//===----------------------------------------------------------------------===//
import BasicBridging
public struct SourceLoc {
/// Points into a source file.
public let bridged: BridgedSourceLoc
public init?(bridged: BridgedSourceLoc) {
guard bridged.isValid else {
return nil
}
self.bridged = bridged
}
}
extension SourceLoc {
public func advanced(by n: Int) -> SourceLoc {
SourceLoc(bridged: bridged.advanced(by: n))!
}
}
extension Optional where Wrapped == SourceLoc {
public var bridged: BridgedSourceLoc {
self?.bridged ?? .init()
}
}
public struct CharSourceRange {
public let start: SourceLoc
public let byteLength: UInt32
public init(start: SourceLoc, byteLength: UInt32) {
self.start = start
self.byteLength = byteLength
}
public init?(bridgedStart: BridgedSourceLoc, byteLength: UInt32) {
guard let start = SourceLoc(bridged: bridgedStart) else {
return nil
}
self.init(start: start, byteLength: byteLength)
}
}
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