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
| //===--- AvoidNSErrorInitCheck.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 "AvoidNSErrorInitCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace objc {
void AvoidNSErrorInitCheck::registerMatchers(MatchFinder *Finder) {
// this check should only be applied to ObjC sources.
if (!getLangOpts().ObjC)
return;
Finder->addMatcher(objcMessageExpr(hasSelector("init"),
hasReceiverType(asString("NSError *")))
.bind("nserrorInit"),
this);
}
void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedExpr =
Result.Nodes.getNodeAs<ObjCMessageExpr>("nserrorInit");
diag(MatchedExpr->getBeginLoc(),
"use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to "
"create a new NSError");
}
} // namespace objc
} // namespace tidy
} // namespace clang
|