| //===--- AvailabilitySpec.cpp - Swift Availability Query ASTs -------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the availability specification AST classes. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/AST/ASTContext.h" |
| #include "swift/AST/AvailabilitySpec.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| using namespace swift; |
| |
| SourceRange AvailabilitySpec::getSourceRange() const { |
| switch (getKind()) { |
| case AvailabilitySpecKind::PlatformVersionConstraint: |
| return cast<PlatformVersionConstraintAvailabilitySpec>(this)->getSourceRange(); |
| |
| case AvailabilitySpecKind::LanguageVersionConstraint: |
| return cast<LanguageVersionConstraintAvailabilitySpec>(this)->getSourceRange(); |
| |
| case AvailabilitySpecKind::OtherPlatform: |
| return cast<OtherPlatformAvailabilitySpec>(this)->getSourceRange(); |
| } |
| llvm_unreachable("bad AvailabilitySpecKind"); |
| } |
| |
| // Only allow allocation of AvailabilitySpecs using the |
| // allocator in ASTContext. |
| void *AvailabilitySpec::operator new(size_t Bytes, ASTContext &C, |
| unsigned Alignment) { |
| return C.Allocate(Bytes, Alignment); |
| } |
| |
| |
| SourceRange PlatformVersionConstraintAvailabilitySpec::getSourceRange() const { |
| return SourceRange(PlatformLoc, VersionSrcRange.End); |
| } |
| |
| void PlatformVersionConstraintAvailabilitySpec::print(raw_ostream &OS, |
| unsigned Indent) const { |
| OS.indent(Indent) << '(' << "platform_version_constraint_availability_spec" |
| << " platform='" << platformString(getPlatform()) << "'" |
| << " version='" << getVersion() << "'" |
| << ')'; |
| } |
| |
| SourceRange LanguageVersionConstraintAvailabilitySpec::getSourceRange() const { |
| return SourceRange(SwiftLoc, VersionSrcRange.End); |
| } |
| |
| void LanguageVersionConstraintAvailabilitySpec::print(raw_ostream &OS, |
| unsigned Indent) const { |
| OS.indent(Indent) << '(' << "language_version_constraint_availability_spec" |
| << " version='" << getVersion() << "'" |
| << ')'; |
| } |
| |
| void OtherPlatformAvailabilitySpec::print(raw_ostream &OS, unsigned Indent) const { |
| OS.indent(Indent) << '(' << "other_constraint_availability_spec" |
| << " " |
| << ')'; |
| } |