clang 19.0.0git
Availability.cpp
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1//===- Availability.cpp --------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the Availability information for Decls.
10//
11//===----------------------------------------------------------------------===//
12
15#include "clang/AST/Attr.h"
16#include "clang/AST/Decl.h"
18
19namespace clang {
20
22 ASTContext &Context = Decl->getASTContext();
23 StringRef PlatformName = Context.getTargetInfo().getPlatformName();
24 AvailabilityInfo Availability;
25
26 // Collect availability attributes from all redeclarations.
27 for (const auto *RD : Decl->redecls()) {
28 for (const auto *A : RD->specific_attrs<AvailabilityAttr>()) {
29 if (A->getPlatform()->getName() != PlatformName)
30 continue;
31 Availability = AvailabilityInfo(
32 A->getPlatform()->getName(), A->getIntroduced(), A->getDeprecated(),
33 A->getObsoleted(), A->getUnavailable(), false, false);
34 break;
35 }
36
37 if (const auto *A = RD->getAttr<UnavailableAttr>())
38 if (!A->isImplicit())
39 Availability.UnconditionallyUnavailable = true;
40
41 if (const auto *A = RD->getAttr<DeprecatedAttr>())
42 if (!A->isImplicit())
43 Availability.UnconditionallyDeprecated = true;
44 }
45 return Availability;
46}
47
48} // namespace clang
Defines the clang::ASTContext interface.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:186
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:86
ASTContext & getASTContext() const LLVM_READONLY
Definition: DeclBase.cpp:523
redecl_range redecls() const
Returns an iterator range for all the redeclarations of the same decl.
Definition: DeclBase.h:1025
Defines the clang::TargetInfo interface.
The JSON file list parser is used to communicate input to InstallAPI.
Storage of availability attributes for a declaration.
Definition: Availability.h:64
static AvailabilityInfo createFromDecl(const Decl *Decl)