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Emacs assumes .h files are C files by default which is why the tag "-*- C++ -*-" is needed. .cpp files do not have this problem.
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
//===--- PlatformKind.cpp - Swift Language Platform Kinds -----------------===//
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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 - 2016 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the platform kinds for API availability.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/PlatformKind.h"
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#include "swift/Basic/LangOptions.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace swift;
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StringRef swift::platformString(PlatformKind platform) {
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switch (platform) {
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case PlatformKind::none:
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return "*";
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#define AVAILABILITY_PLATFORM(X, PrettyName) \
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case PlatformKind::X: \
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return #X;
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#include "swift/AST/PlatformKinds.def"
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}
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llvm_unreachable("bad PlatformKind");
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}
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StringRef swift::prettyPlatformString(PlatformKind platform) {
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switch (platform) {
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case PlatformKind::none:
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return "*";
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#define AVAILABILITY_PLATFORM(X, PrettyName) \
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case PlatformKind::X: \
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return PrettyName;
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#include "swift/AST/PlatformKinds.def"
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}
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llvm_unreachable("bad PlatformKind");
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}
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Optional<PlatformKind> swift::platformFromString(StringRef Name) {
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if (Name == "*")
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return PlatformKind::none;
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return llvm::StringSwitch<Optional<PlatformKind>>(Name)
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#define AVAILABILITY_PLATFORM(X, PrettyName) .Case(#X, PlatformKind::X)
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#include "swift/AST/PlatformKinds.def"
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.Default(Optional<PlatformKind>());
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}
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bool swift::isPlatformActive(PlatformKind Platform, LangOptions &LangOpts) {
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if (Platform == PlatformKind::none)
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return true;
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if (Platform == PlatformKind::OSXApplicationExtension ||
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Platform == PlatformKind::iOSApplicationExtension)
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if (!LangOpts.EnableAppExtensionRestrictions)
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return false;
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// FIXME: This is an awful way to get the current OS.
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switch (Platform) {
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case PlatformKind::OSX:
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case PlatformKind::OSXApplicationExtension:
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return LangOpts.Target.isMacOSX();
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case PlatformKind::iOS:
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case PlatformKind::iOSApplicationExtension:
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return LangOpts.Target.isiOS() && !LangOpts.Target.isTvOS();
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case PlatformKind::tvOS:
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case PlatformKind::tvOSApplicationExtension:
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return LangOpts.Target.isTvOS();
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case PlatformKind::watchOS:
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case PlatformKind::watchOSApplicationExtension:
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return LangOpts.Target.isWatchOS();
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case PlatformKind::none:
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llvm_unreachable("handled above");
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}
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llvm_unreachable("bad PlatformKind");
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}
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PlatformKind swift::targetPlatform(LangOptions &LangOpts) {
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if (LangOpts.Target.isMacOSX()) {
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return (LangOpts.EnableAppExtensionRestrictions
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? PlatformKind::OSXApplicationExtension
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: PlatformKind::OSX);
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}
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if (LangOpts.Target.isTvOS()) {
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return (LangOpts.EnableAppExtensionRestrictions
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? PlatformKind::tvOSApplicationExtension
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: PlatformKind::tvOS);
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}
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if (LangOpts.Target.isWatchOS()) {
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return (LangOpts.EnableAppExtensionRestrictions
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? PlatformKind::watchOSApplicationExtension
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: PlatformKind::watchOS);
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}
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if (LangOpts.Target.isiOS()) {
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return (LangOpts.EnableAppExtensionRestrictions
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? PlatformKind::iOSApplicationExtension
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: PlatformKind::iOS);
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}
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return PlatformKind::none;
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}
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