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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
//
//===----------------------------------------------------------------------===//
#if swift(>=6)
public import SwiftSyntax
#else
import SwiftSyntax
#endif
/// Names an operator.
///
/// TODO: For now, we'll use strings, but we likely want to move this to a
/// general notion of an Identifier.
public typealias OperatorName = String
/// Describes the kind of an operator.
public enum OperatorKind: String, Sendable {
/// Infix operator such as the + in a + b.
case infix
/// Prefix operator such as the - in -x.
case prefix
/// Postfix operator such as the ! in x!.
case postfix
}
/// Describes an operator.
public struct Operator: Sendable {
public let kind: OperatorKind
public let name: OperatorName
public let precedenceGroup: PrecedenceGroupName?
public let syntax: OperatorDeclSyntax?
public init(
kind: OperatorKind,
name: OperatorName,
precedenceGroup: PrecedenceGroupName? = nil,
syntax: OperatorDeclSyntax? = nil
) {
self.kind = kind
self.name = name
self.precedenceGroup = precedenceGroup
self.syntax = syntax
}
}
extension Operator: CustomStringConvertible {
/// The description of an operator is the source code that produces it.
public var description: String {
(syntax ?? synthesizedSyntax()).description
}
}
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