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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
//
//===----------------------------------------------------------------------===//
@available(*, deprecated, renamed: "SourceEdit")
public typealias IncrementalEdit = SourceEdit
@available(*, deprecated, message: "Use Range<AbsolutePosition> instead")
public typealias ByteSourceRange = Range<AbsolutePosition>
extension Range<AbsolutePosition> {
@available(*, deprecated, message: "Use lowerBound.utf8Offset instead")
public var offset: Int { lowerBound.utf8Offset }
@available(*, deprecated, message: "Construct a Range<AbsolutePosition> instead")
public init(offset: Int, length: Int) {
self = AbsolutePosition(utf8Offset: offset)..<AbsolutePosition(utf8Offset: offset + length)
}
@available(*, deprecated, message: "Use upperBound.utf8Offset instead")
public var endOffset: Int {
return upperBound.utf8Offset
}
/// Returns the range for the overlapping region between two ranges.
///
/// If the intersection is empty, this returns a range starting at offset 0 and having length 0.
public func intersected(_ other: Range<AbsolutePosition>) -> Range<AbsolutePosition> {
return self.clamped(to: other)
}
}
extension Range<AbsolutePosition> {
/// The number of bytes between the range's lower bound and its upper bound
public var length: SourceLength { return SourceLength(utf8Length: upperBound.utf8Offset - lowerBound.utf8Offset) }
public init(position: AbsolutePosition, length: SourceLength) {
self = position..<(position + length)
}
// Returns `true` if the intersection between this range and `other` is non-empty or if the two ranges are directly
/// adjacent to each other.
public func overlapsOrTouches(_ other: Range<AbsolutePosition>) -> Bool {
return self.upperBound >= other.lowerBound && self.lowerBound <= other.upperBound
}
/// Returns `true` if the intersection between this range and `other` is non-empty or if the two ranges are directly
/// adjacent to each other.
@available(*, deprecated, renamed: "overlapsOrTouches(_:)")
public func intersectsOrTouches(_ other: Range<AbsolutePosition>) -> Bool {
return self.upperBound >= other.lowerBound && self.lowerBound <= other.upperBound
}
/// Returns `true` if the intersection between this range and `other` is non-empty.
@available(*, deprecated, renamed: "overlaps(_:)")
public func intersects(_ other: Range<AbsolutePosition>) -> Bool {
return self.upperBound > other.lowerBound && self.lowerBound < other.upperBound
}
/// Returns the range for the overlapping region between two ranges.
///
/// If the intersection is empty, this returns `nil`.
@available(*, deprecated, message: "Use clamped(to:) instead")
public func intersecting(_ other: Range<AbsolutePosition>) -> Range<AbsolutePosition>? {
let lowerBound = Swift.max(self.lowerBound, other.lowerBound)
let upperBound = Swift.min(self.upperBound, other.upperBound)
if lowerBound > upperBound {
return nil
} else {
return lowerBound..<upperBound
}
}
}
extension RawUnexpectedNodesSyntax {
/// Construct a ``RawUnexpectedNodesSyntax``with the given `elements`.
///
/// If `isMaximumNestingLevelOverflow` is `true`, the node has the
/// `isMaximumNestingLevelOverflow` error bit set, indicating that the parser
/// overflowed its maximum nesting level and thus aborted parsing.
public init(elements: [RawSyntax], isMaximumNestingLevelOverflow: Bool, arena: __shared RawSyntaxArena) {
let raw = RawSyntax.makeLayout(
kind: .unexpectedNodes,
uninitializedCount: elements.count,
isMaximumNestingLevelOverflow: isMaximumNestingLevelOverflow,
arena: arena
) { layout in
guard var ptr = layout.baseAddress else { return }
for elem in elements {
ptr.initialize(to: elem.raw)
ptr += 1
}
}
self.init(raw: raw)
}
}
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