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
|
//===--- UnaryStaticAssertCheck.cpp - clang-tidy---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "UnaryStaticAssertCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace modernize {
void UnaryStaticAssertCheck::registerMatchers(MatchFinder *Finder) {
if (!getLangOpts().CPlusPlus17)
return;
Finder->addMatcher(staticAssertDecl().bind("static_assert"), this);
}
void UnaryStaticAssertCheck::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedDecl =
Result.Nodes.getNodeAs<StaticAssertDecl>("static_assert");
const StringLiteral *AssertMessage = MatchedDecl->getMessage();
SourceLocation Loc = MatchedDecl->getLocation();
if (!AssertMessage || AssertMessage->getLength() ||
AssertMessage->getLocStart().isMacroID() || Loc.isMacroID())
return;
diag(Loc,
"use unary 'static_assert' when the string literal is an empty string")
<< FixItHint::CreateRemoval(AssertMessage->getSourceRange());
}
} // namespace modernize
} // namespace tidy
} // namespace clang
|
