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feat: @wrapper, @DependencyValue(s) 매크로 구현
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| @@ -1,13 +1,25 @@ | ||
| <img src="https://github.com/rlarjsdn3/swift-macro-playground/assets/21079970/03ea4a38-951a-450f-9f38-36520b994e18" align="center" width="150" height="150"> </br> | ||
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| Bibbi Package는 삐삐(Bibbi) 앱을 개발하는 데 유용한 `매크로`가 포함되어 있습니다. 해당 리포지토리는 구현된 매크로의 기본 컨셉과 매크로를 활용한 적용법을 명시하고 있습니다. 매크로 예제 코드는 [Playground](Sources/Macros/Playground)에서 찾아보실 수 있으며, 자세한 사용법은 각 매크로에 `Option`키를 누르면 확인할 수 있습니다. </br> | ||
| **Bibbi Package**는 삐삐(Bibbi)를 개발하는 데 유용한 `라이브러리`와 `매크로`가 포함되어 있습니다. 이 리포지토리는 구현된 매크로의 기본 지식과 활용 방법을 설명하고 있습니다. </br> | ||
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| 아래는 구현된 매크로의 목록을 보여줍니다. | ||
| ## Featrues | ||
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| ## Table Of Macros | ||
| ### Macros | ||
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| * [#URL]() | ||
| - [v] [@Codable]() | ||
| - [v] [@CodableKey(_:)]() | ||
| - [v] [@Deprecated]() | ||
| - [v] [@DependencyValue(for:)]() | ||
| - [v] [@DependencyValues]() | ||
| - [v] [@Wrapper]() | ||
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| * [@Codable]() | ||
| * [@CodableKey]() | ||
| * [@Deprecated]() | ||
| ## Requirements | ||
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| * iOS 15.0+ / macOS 10.15+ | ||
| * Swift 5.0+ | ||
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| ## ChangeLog | ||
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| | 버전 | 내용 | | ||
| | :----: | :------------------: | | ||
| | - | - | |
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33
Sources/Macros/Helper/Extensions/AttributeListDecl+Ext.swift
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| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by 김건우 on 6/1/24. | ||
| // | ||
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| import SwiftSyntax | ||
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| public extension AttributeListSyntax { | ||
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| /// 특정 속성이 적용되었는지 확인합니다. | ||
| /// | ||
| /// - Parameters: | ||
| /// - attributeName: 속성 이름 | ||
| /// - Returns: 속성이 있으면 true, 없으면 false | ||
| /// | ||
| /// - Author: 김소월 | ||
| /// | ||
| func isAttributeApplied(_ attributeName: String) -> Bool { | ||
| guard | ||
| let _ = self.first(where: { attribute in | ||
| attribute | ||
| .as(AttributeSyntax.self)? | ||
| .attributeName | ||
| .as(IdentifierTypeSyntax.self)? | ||
| .name.text == attributeName | ||
| }) | ||
| else { return false } | ||
| return true | ||
| } | ||
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| } |
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| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by 김건우 on 6/1/24. | ||
| // | ||
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| import Foundation | ||
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| public extension String { | ||
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| /// 문자열의 첫 문자를 대문자로 바꿉니다. | ||
| /// | ||
| /// - Returns: String | ||
| /// - Author: 김소월 | ||
| /// | ||
| func capitalizeFirstLetter() -> String { | ||
| return prefix(1).uppercased() + dropFirst() | ||
| } | ||
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| } |
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| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by 김건우 on 6/1/24. | ||
| // | ||
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| import SwiftSyntax | ||
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| public extension VariableDeclSyntax { | ||
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| /// 프로퍼티에 초기값이 있는지 확인합니다. | ||
| /// | ||
| /// - Returns: 초기값이 있으면 true, 없으면 false | ||
| /// - Author: 김소월 | ||
| /// | ||
| var hasIntializer: Bool { | ||
| // 라인 하나에 바인딩 하나 | ||
| if bindings.count != 1 { | ||
| return false | ||
| } | ||
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| let binding = bindings.first | ||
| guard | ||
| let _ = binding?.initializer?.value | ||
| else { return true } | ||
| return false | ||
| } | ||
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| /// 저장 프로퍼티인지 확인합니다. | ||
| /// | ||
| /// - Returns: 저장 프로퍼티라면 true, 아니라면 false | ||
| /// - Author: 김소월 | ||
| /// | ||
| var isStoredProperty: Bool { | ||
| // 라인 하나에 바인딩 하나 | ||
| if bindings.count != 1 { | ||
| return false | ||
| } | ||
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| let binding = bindings.first | ||
| switch binding?.accessorBlock?.accessors { | ||
| case .none: | ||
| return true | ||
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| case let .accessors(accessors): | ||
| for accessor in accessors { | ||
| switch accessor.accessorSpecifier.tokenKind { | ||
| case .keyword(.willSet), .keyword(.didSet): | ||
| // willset, didset 옵저버는 저장 프로퍼티 | ||
| break | ||
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| default: | ||
| return false | ||
| } | ||
| } | ||
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| return true | ||
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| case .getter: | ||
| // | ||
| return false | ||
| } | ||
| } | ||
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| } |
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38
Sources/Macros/Implementation/Accessor/DependencyValueMacro.swift
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| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by 김건우 on 5/31/24. | ||
| // | ||
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| import SwiftSyntax | ||
| import SwiftSyntaxBuilder | ||
| import SwiftSyntaxMacros | ||
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| public struct DependencyValueMacro: AccessorMacro { | ||
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| public static func expansion( | ||
| of node: AttributeSyntax, | ||
| providingAccessorsOf declaration: some DeclSyntaxProtocol, | ||
| in context: some MacroExpansionContext | ||
| ) throws -> [AccessorDeclSyntax] { | ||
| guard | ||
| case let .argumentList(arguments) = node.arguments, | ||
| let expression = arguments.first? | ||
| .expression | ||
| else { | ||
| throw MacroError.message("유효하지 않은 인자입니다.") | ||
| } | ||
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| return [ | ||
| """ | ||
| get { self[\(expression)] } | ||
| """, | ||
| """ | ||
| set { self[\(expression)] = newValue } | ||
| """ | ||
| ] | ||
| } | ||
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| } | ||
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