1*0fca6ea1SDimitry Andric //===- Availability.cpp --------------------------------------------------===// 2*0fca6ea1SDimitry Andric // 3*0fca6ea1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0fca6ea1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0fca6ea1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0fca6ea1SDimitry Andric // 7*0fca6ea1SDimitry Andric //===----------------------------------------------------------------------===// 8*0fca6ea1SDimitry Andric // 9*0fca6ea1SDimitry Andric // This file implements the Availability information for Decls. 10*0fca6ea1SDimitry Andric // 11*0fca6ea1SDimitry Andric //===----------------------------------------------------------------------===// 12*0fca6ea1SDimitry Andric 13*0fca6ea1SDimitry Andric #include "clang/AST/Availability.h" 14*0fca6ea1SDimitry Andric #include "clang/AST/ASTContext.h" 15*0fca6ea1SDimitry Andric #include "clang/AST/Attr.h" 16*0fca6ea1SDimitry Andric #include "clang/AST/Decl.h" 17*0fca6ea1SDimitry Andric #include "clang/Basic/TargetInfo.h" 18*0fca6ea1SDimitry Andric 19*0fca6ea1SDimitry Andric namespace clang { 20*0fca6ea1SDimitry Andric 21*0fca6ea1SDimitry Andric AvailabilityInfo AvailabilityInfo::createFromDecl(const Decl *Decl) { 22*0fca6ea1SDimitry Andric ASTContext &Context = Decl->getASTContext(); 23*0fca6ea1SDimitry Andric StringRef PlatformName = Context.getTargetInfo().getPlatformName(); 24*0fca6ea1SDimitry Andric AvailabilityInfo Availability; 25*0fca6ea1SDimitry Andric 26*0fca6ea1SDimitry Andric // Collect availability attributes from all redeclarations. 27*0fca6ea1SDimitry Andric for (const auto *RD : Decl->redecls()) { 28*0fca6ea1SDimitry Andric for (const auto *A : RD->specific_attrs<AvailabilityAttr>()) { 29*0fca6ea1SDimitry Andric if (A->getPlatform()->getName() != PlatformName) 30*0fca6ea1SDimitry Andric continue; 31*0fca6ea1SDimitry Andric Availability = AvailabilityInfo( 32*0fca6ea1SDimitry Andric A->getPlatform()->getName(), A->getIntroduced(), A->getDeprecated(), 33*0fca6ea1SDimitry Andric A->getObsoleted(), A->getUnavailable(), false, false); 34*0fca6ea1SDimitry Andric break; 35*0fca6ea1SDimitry Andric } 36*0fca6ea1SDimitry Andric 37*0fca6ea1SDimitry Andric if (const auto *A = RD->getAttr<UnavailableAttr>()) 38*0fca6ea1SDimitry Andric if (!A->isImplicit()) 39*0fca6ea1SDimitry Andric Availability.UnconditionallyUnavailable = true; 40*0fca6ea1SDimitry Andric 41*0fca6ea1SDimitry Andric if (const auto *A = RD->getAttr<DeprecatedAttr>()) 42*0fca6ea1SDimitry Andric if (!A->isImplicit()) 43*0fca6ea1SDimitry Andric Availability.UnconditionallyDeprecated = true; 44*0fca6ea1SDimitry Andric } 45*0fca6ea1SDimitry Andric return Availability; 46*0fca6ea1SDimitry Andric } 47*0fca6ea1SDimitry Andric 48*0fca6ea1SDimitry Andric } // namespace clang 49