1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 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
//
//===----------------------------------------------------------------------===//
@_exported import LLVM_Utils // Clang module
extension String {
public init(_ stringRef: llvm.StringRef) {
self.init(stringRef.str())
}
public func withStringRef<Result>(_ body: (llvm.StringRef) -> Result) -> Result {
var str = self
return str.withUTF8 { buffer in
return body(llvm.StringRef(buffer.baseAddress, buffer.count))
}
}
}
extension StaticString {
public func withStringRef<Result>(_ body: (llvm.StringRef) -> Result) -> Result {
return self.withUTF8Buffer { buffer in
return body(llvm.StringRef(buffer.baseAddress, buffer.count))
}
}
}
public func ==(lhs: llvm.StringRef, rhs: StaticString) -> Bool {
#if $NewCxxMethodSafetyHeuristics
let lhsBuffer = UnsafeBufferPointer<UInt8>(
start: lhs.bytes_begin(),
count: Int(lhs.bytes_end() - lhs.bytes_begin()))
#else
let lhsBuffer = UnsafeBufferPointer<UInt8>(
start: lhs.__bytes_beginUnsafe(),
count: Int(lhs.__bytes_endUnsafe() - lhs.__bytes_beginUnsafe()))
#endif
return rhs.withUTF8Buffer { (rhsBuffer: UnsafeBufferPointer<UInt8>) in
if lhsBuffer.count != rhsBuffer.count { return false }
return lhsBuffer.elementsEqual(rhsBuffer, by: ==)
}
}
extension llvm.Twine: ExpressibleByStringLiteral {
public init(stringLiteral value: String) {
self.init(value)
}
}
|