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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#if swift(>=6)
public import SwiftSyntax
#else
import SwiftSyntax
#endif
/// Describes a macro that forms declarations.
public protocol DeclarationMacro: FreestandingMacro {
/// Expand a macro described by the given freestanding macro expansion
/// declaration within the given context to produce a set of declarations.
static func expansion(
of node: some FreestandingMacroExpansionSyntax,
in context: some MacroExpansionContext
) throws -> [DeclSyntax]
/// Whether to copy attributes on the expansion syntax to expanded declarations,
/// 'true' by default.
static var propagateFreestandingMacroAttributes: Bool { get }
/// Whether to copy modifiers on the expansion syntax to expanded declarations,
/// 'true' by default.
static var propagateFreestandingMacroModifiers: Bool { get }
}
extension DeclarationMacro {
public static var propagateFreestandingMacroAttributes: Bool { true }
public static var propagateFreestandingMacroModifiers: Bool { true }
}
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