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106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
//===--- 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 Feature::isAvailableInProduction() const {
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switch (kind) {
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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 Feature::getName() const {
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switch (kind) {
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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> Feature::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, LanguageMode) \
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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> Feature::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> Feature::getLanguageMode() const {
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switch (kind) {
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define UPCOMING_FEATURE(FeatureName, SENumber, LanguageMode) \
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case Feature::FeatureName: \
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return LanguageMode;
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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 Feature::isMigratable() const {
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switch (kind) {
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#define MIGRATABLE_UPCOMING_FEATURE(FeatureName, SENumber, LanguageMode)
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#define MIGRATABLE_EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd)
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#define MIGRATABLE_OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Name)
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description) \
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case Feature::FeatureName:
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#include "swift/Basic/Features.def"
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return false;
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#define LANGUAGE_FEATURE(FeatureName, SENumber, Description)
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#define MIGRATABLE_UPCOMING_FEATURE(FeatureName, SENumber, LanguageMode) \
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case Feature::FeatureName:
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#define MIGRATABLE_EXPERIMENTAL_FEATURE(FeatureName, AvailableInProd) \
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case Feature::FeatureName:
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#define MIGRATABLE_OPTIONAL_LANGUAGE_FEATURE(FeatureName, SENumber, Name) \
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case Feature::FeatureName:
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#include "swift/Basic/Features.def"
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return true;
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}
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}
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bool Feature::includeInModuleInterface() const {
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switch (kind) {
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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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}
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