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AnthonyLatsisAnthonyLatsis
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[NFC] Basic: Extract feature API definitions into their own file
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3 files changed

+86
-70
lines changed

3 files changed

+86
-70
lines changed

‎lib/Basic/CMakeLists.txt‎

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@@ -52,6 +52,7 @@ add_swift_host_library(swiftBasic STATIC
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Edit.cpp
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EditorPlaceholder.cpp
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ExponentialGrowthAppendingBinaryByteStream.cpp
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Feature.cpp
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FileSystem.cpp
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FileTypes.cpp
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Fingerprint.cpp

‎lib/Basic/Feature.cpp‎

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@@ -0,0 +1,84 @@
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//===--- Feature.cpp --------------------------------------------*- C++ -*-===//
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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) 2025 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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#include "swift/Basic/Feature.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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bool swift::isFeatureAvailableInProduction(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return true;
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#define EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd) \
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case Feature::FeatureName: \
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return AvailableInProd;
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}
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llvm::StringRef swift::getFeatureName(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return #FeatureName;
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}
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std::optional<Feature> swift::getUpcomingFeature(llvm::StringRef name) {
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return llvm::StringSwitch<std::optional<Feature>>(name)
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define UPCOMING_FEATURE(FeatureName, SENumber, Version) \
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.Case(#FeatureName, Feature::FeatureName)
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#include "swift/Basic/Features.def"
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.Default(std::nullopt);
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}
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std::optional<Feature> swift::getExperimentalFeature(llvm::StringRef name) {
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return llvm::StringSwitch<std::optional<Feature>>(name)
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd) \
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.Case(#FeatureName, Feature::FeatureName)
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#include "swift/Basic/Features.def"
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.Default(std::nullopt);
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}
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std::optional<unsigned> swift::getFeatureLanguageVersion(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define UPCOMING_FEATURE(FeatureName, SENumber, Version) \
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case Feature::FeatureName: \
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return Version;
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#include "swift/Basic/Features.def"
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default:
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return std::nullopt;
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}
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}
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bool swift::includeInModuleInterface(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return true;
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#define EXPERIMENTAL_FEATURE_EXCLUDED_FROM_MODULE_INTERFACE(FeatureName, \
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AvailableInProd) \
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case Feature::FeatureName: \
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return false;
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}

‎lib/Basic/LangOptions.cpp‎

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Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
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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 - 2023 Apple Inc. and the Swift project authors
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// Copyright (c) 2014 - 2025 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
@@ -620,75 +620,6 @@ std::pair<bool, bool> LangOptions::setTarget(llvm::Triple triple) {
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return { false, false };
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}
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llvm::StringRef swift::getFeatureName(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return #FeatureName;
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}
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bool swift::isFeatureAvailableInProduction(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return true;
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#define EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd) \
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case Feature::FeatureName: return AvailableInProd;
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#define OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}
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std::optional<Feature> swift::getUpcomingFeature(llvm::StringRef name) {
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return llvm::StringSwitch<std::optional<Feature>>(name)
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define UPCOMING_FEATURE(FeatureName, SENumber, Version) \
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.Case(#FeatureName, Feature::FeatureName)
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#include "swift/Basic/Features.def"
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.Default(std::nullopt);
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}
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std::optional<Feature> swift::getExperimentalFeature(llvm::StringRef name) {
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return llvm::StringSwitch<std::optional<Feature>>(name)
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd) \
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.Case(#FeatureName, Feature::FeatureName)
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#define OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#include "swift/Basic/Features.def"
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.Default(std::nullopt);
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}
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std::optional<unsigned> swift::getFeatureLanguageVersion(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define UPCOMING_FEATURE(FeatureName, SENumber, Version) \
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case Feature::FeatureName: return Version;
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#define OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#include "swift/Basic/Features.def"
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default:
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return std::nullopt;
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}
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}
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bool swift::includeInModuleInterface(Feature feature) {
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switch (feature) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName: \
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return true;
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#define EXPERIMENTAL_FEATURE_EXCLUDED_FROM_MODULE_INTERFACE(FeatureName, AvailableInProd) \
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case Feature::FeatureName: return false;
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#define OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#include "swift/Basic/Features.def"
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}
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llvm_unreachable("covered switch");
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}
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llvm::StringRef swift::getPlaygroundOptionName(PlaygroundOption option) {
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switch (option) {
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#define PLAYGROUND_OPTION(OptionName, Description, DefaultOn, HighPerfOn) \

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