mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
03d8ea5248
This is a tool specifically designed to generate Xcode projects for the Swift repo (as well as a couple of adjacent repos such as LLVM and Clang). It aims to provide a much more user-friendly experience than the CMake Xcode generation (`build-script --xcode`).
82 lines
2.2 KiB
Swift
82 lines
2.2 KiB
Swift
//===--- FlagSpec.swift ---------------------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2024 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
extension Command {
|
|
struct FlagSpec {
|
|
let flags: [Element]
|
|
|
|
init(_ flags: [Element]) {
|
|
// Sort by shortest first, except in cases where one is a prefix of
|
|
// another, in which case we need the longer one first to ensure we prefer
|
|
// it when parsing.
|
|
self.flags = flags.sorted(by: { lhs, rhs in
|
|
let lhs = lhs.flag.name.rawValue
|
|
let rhs = rhs.flag.name.rawValue
|
|
guard lhs.count != rhs.count else {
|
|
return false
|
|
}
|
|
if lhs.count < rhs.count {
|
|
// RHS should be ordered first if it has LHS as a prefix.
|
|
return !rhs.hasPrefix(lhs)
|
|
} else {
|
|
// LHS should be ordered first if it has RHS as a prefix.
|
|
return lhs.hasPrefix(rhs)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
extension Command {
|
|
struct OptionSpacingSpec: OptionSet {
|
|
var rawValue: Int
|
|
init(rawValue: Int) {
|
|
self.rawValue = rawValue
|
|
}
|
|
init(_ rawValue: Int) {
|
|
self.rawValue = rawValue
|
|
}
|
|
init(_ optionSpacing: OptionSpacing) {
|
|
switch optionSpacing {
|
|
case .equals:
|
|
self = .equals
|
|
case .unspaced:
|
|
self = .unspaced
|
|
case .spaced:
|
|
self = .spaced
|
|
}
|
|
}
|
|
static let equals = Self(1 << 0)
|
|
static let unspaced = Self(1 << 1)
|
|
static let spaced = Self(1 << 2)
|
|
}
|
|
}
|
|
|
|
extension Command.FlagSpec {
|
|
typealias Flag = Command.Flag
|
|
typealias OptionSpacingSpec = Command.OptionSpacingSpec
|
|
|
|
struct Element {
|
|
let flag: Flag
|
|
let spacing: OptionSpacingSpec
|
|
|
|
init(_ flag: Flag, option: [OptionSpacingSpec]) {
|
|
self.flag = flag
|
|
self.spacing = option.reduce([], { $0.union($1) })
|
|
}
|
|
|
|
init(_ flag: Flag, option: OptionSpacingSpec...) {
|
|
self.init(flag, option: option)
|
|
}
|
|
}
|
|
}
|