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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
//
//===----------------------------------------------------------------------===//
import ArgumentParser
struct ParseArguments: ParsableArguments {
@Argument(help: "The source file that should be parsed; if omitted, use stdin")
var sourceFile: String?
@Option(name: [.long, .short], help: "If passed, parse this source text instead of reading source file")
var source: String?
@Flag(name: .long, help: "Perform sequence folding with the standard operators")
var foldSequences: Bool = false
}
/// A command that has arguments to parse source code
protocol ParseCommand {
var arguments: ParseArguments { get }
}
extension ParseCommand {
/// The name of the source file that can can be displayed to users
///
/// This is not necessarily a file path if the file contents are read from
/// stdin or the command line arguments.
var sourceFileName: String {
return arguments.sourceFile ?? "stdin"
}
/// The contents of the source that should be parsed in UTF-8 bytes.
var sourceFileContents: [UInt8] {
get throws {
if let source = arguments.source {
return Array(source.utf8)
}
return try getContentsOfSourceFile(at: arguments.sourceFile)
}
}
/// Whether sequence folding using standard operators should be performed
var foldSequences: Bool { arguments.foldSequences }
}
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