// --------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// The MIT License (MIT)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the ""Software""), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// furnished to do so, subject to the following conditions:
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// --------------------------------------------------------------------------

import Foundation
import SwiftSyntax

protocol hasIdentifier {
    var identifier: TokenSyntax { get }
}

protocol hasModifiers {
    var modifiers: ModifierListSyntax? { get }
}

protocol hasMembers {
    var members: MemberDeclBlockSyntax { get }
}

protocol hasChildren {
    func children(viewMode: SyntaxTreeViewMode) -> SyntaxChildren
}

typealias ModelProtocol = hasIdentifier & hasModifiers & hasMembers & hasChildren
extension ActorDeclSyntax: ModelProtocol {}
extension ClassDeclSyntax: ModelProtocol {}
extension EnumDeclSyntax: ModelProtocol {}
extension ProtocolDeclSyntax: ModelProtocol {}
extension StructDeclSyntax: ModelProtocol {}

typealias FunctionProtocol = hasIdentifier & hasModifiers & hasChildren
extension FunctionDeclSyntax: FunctionProtocol {}
extension TypealiasDeclSyntax: FunctionProtocol {}
extension OperatorDeclSyntax: FunctionProtocol {}
extension PrecedenceGroupDeclSyntax: FunctionProtocol {}

typealias FixedNameFunctionProtocol = hasModifiers & hasChildren
extension InitializerDeclSyntax: FixedNameFunctionProtocol {}
extension SubscriptDeclSyntax: FixedNameFunctionProtocol {}
extension VariableDeclSyntax: FixedNameFunctionProtocol {}

typealias ExtensionProtocol = hasModifiers & hasMembers & hasChildren
extension ExtensionDeclSyntax: ExtensionProtocol {}
