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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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 Foundation
import SwiftSyntax
/// Errors that can be thrown by the `SwiftFormatter` and `SwiftLinter` APIs.
public enum SwiftFormatError: LocalizedError {
/// The requested file was not readable or it did not exist.
case fileNotReadable
/// The requested file was a directory.
case isDirectory
/// The file contains invalid or unrecognized Swift syntax and cannot be handled safely.
case fileContainsInvalidSyntax
/// The requested experimental feature name was not recognized by the parser.
case unrecognizedExperimentalFeature(String)
public var errorDescription: String? {
switch self {
case .fileNotReadable:
return "file is not readable or does not exist"
case .isDirectory:
return "requested path is a directory, not a file"
case .fileContainsInvalidSyntax:
return "file contains invalid Swift syntax"
case .unrecognizedExperimentalFeature(let name):
return "experimental feature '\(name)' was not recognized by the Swift parser"
}
}
}
extension SwiftFormatError: Equatable {}
extension SwiftFormatError: Hashable {}
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