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