clang-tools 10.0.0

UnaryStaticAssertCheck.cpp
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1 //===--- UnaryStaticAssertCheck.cpp - clang-tidy---------------------------===//
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 #include "UnaryStaticAssertCheck.h"
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12
13 using namespace clang::ast_matchers;
14
15 namespace clang {
16 namespace tidy {
17 namespace modernize {
18
19 void UnaryStaticAssertCheck::registerMatchers(MatchFinder *Finder) {
20 if (!getLangOpts().CPlusPlus17)
21 return;
22
23 Finder->addMatcher(staticAssertDecl().bind("static_assert"), this);
24 }
25
26 void UnaryStaticAssertCheck::check(const MatchFinder::MatchResult &Result) {
27 const auto *MatchedDecl =
28 Result.Nodes.getNodeAs<StaticAssertDecl>("static_assert");
29 const StringLiteral *AssertMessage = MatchedDecl->getMessage();
30
31 SourceLocation Loc = MatchedDecl->getLocation();
32
33 if (!AssertMessage || AssertMessage->getLength() ||
34 AssertMessage->getBeginLoc().isMacroID() || Loc.isMacroID())
35 return;
36
37 diag(Loc,
38 "use unary 'static_assert' when the string literal is an empty string")
39 << FixItHint::CreateRemoval(AssertMessage->getSourceRange());
40 }
41
42 } // namespace modernize
43 } // namespace tidy
44 } // namespace clang
Loc
SourceLocation Loc
&#39;#&#39; location in the include directive
Definition: IncludeOrderCheck.cpp:37
clang::ast_matchers
Definition: AbseilMatcher.h:14
UnaryStaticAssertCheck.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27