blob: e50dd4e69b4bd7986b39b2fc2ebef2685ecd538a (
plain)
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
|
//===--- ProTypeUnionAccessCheck.cpp - clang-tidy--------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "ProTypeUnionAccessCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace cppcoreguidelines {
void ProTypeUnionAccessCheck::registerMatchers(MatchFinder *Finder) {
if (!getLangOpts().CPlusPlus)
return;
Finder->addMatcher(
memberExpr(hasObjectExpression(hasType(recordDecl(isUnion()))))
.bind("expr"),
this);
}
void ProTypeUnionAccessCheck::check(const MatchFinder::MatchResult &Result) {
const auto *Matched = Result.Nodes.getNodeAs<MemberExpr>("expr");
diag(Matched->getMemberLoc(),
"do not access members of unions; use (boost::)variant instead");
}
} // namespace cppcoreguidelines
} // namespace tidy
} // namespace clang
|
