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53ccd9e054
Less inlining for hashing and comparison. Saves code size on very frequent String comparison in exchange for costing us in some of our ridiculuous micro-benchmarks. Also adds in more _effects for better codegen
84 lines
2.7 KiB
Swift
84 lines
2.7 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SwiftShims
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extension StringProtocol {
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@inlinable
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@_specialize(where Self == String, RHS == String)
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@_specialize(where Self == String, RHS == Substring)
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@_specialize(where Self == Substring, RHS == String)
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@_specialize(where Self == Substring, RHS == Substring)
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@_effects(readonly)
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public static func == <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return _stringCompare(
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lhs._wholeGuts, lhs._offsetRange,
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rhs._wholeGuts, rhs._offsetRange,
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expecting: .equal)
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}
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@inlinable @inline(__always) // forward to other operator
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@_effects(readonly)
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public static func != <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return !(lhs == rhs)
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}
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@inlinable
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@_specialize(where Self == String, RHS == String)
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@_specialize(where Self == String, RHS == Substring)
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@_specialize(where Self == Substring, RHS == String)
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@_specialize(where Self == Substring, RHS == Substring)
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@_effects(readonly)
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public static func < <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return _stringCompare(
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lhs._wholeGuts, lhs._offsetRange,
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rhs._wholeGuts, rhs._offsetRange,
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expecting: .less)
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}
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@inlinable @inline(__always) // forward to other operator
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@_effects(readonly)
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public static func > <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return rhs < lhs
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}
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@inlinable @inline(__always) // forward to other operator
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@_effects(readonly)
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public static func <= <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return !(rhs < lhs)
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}
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@inlinable @inline(__always) // forward to other operator
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@_effects(readonly)
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public static func >= <RHS: StringProtocol>(lhs: Self, rhs: RHS) -> Bool {
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return !(lhs < rhs)
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}
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}
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extension String : Equatable {
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@inlinable @inline(__always) // For the bitwise comparision
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@_effects(readonly)
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public static func == (lhs: String, rhs: String) -> Bool {
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return _stringCompare(lhs._guts, rhs._guts, expecting: .equal)
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}
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}
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extension String : Comparable {
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@inlinable @inline(__always) // For the bitwise comparision
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@_effects(readonly)
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public static func < (lhs: String, rhs: String) -> Bool {
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return _stringCompare(lhs._guts, rhs._guts, expecting: .less)
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}
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}
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extension Substring : Equatable {}
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