46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
|
//===--- TerminatingContinueCheck.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 "TerminatingContinueCheck.h"
|
||
|
|
#include "clang/AST/ASTContext.h"
|
||
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
||
|
|
#include "clang/Lex/Lexer.h"
|
||
|
|
#include "clang/Tooling/FixIt.h"
|
||
|
|
|
||
|
|
using namespace clang::ast_matchers;
|
||
|
|
|
||
|
|
namespace clang::tidy::bugprone {
|
||
|
|
|
||
|
|
void TerminatingContinueCheck::registerMatchers(MatchFinder *Finder) {
|
||
|
|
const auto DoWithFalse =
|
||
|
|
doStmt(hasCondition(ignoringImpCasts(
|
||
|
|
anyOf(cxxBoolLiteral(equals(false)), integerLiteral(equals(0)),
|
||
|
|
cxxNullPtrLiteralExpr(), gnuNullExpr()))),
|
||
|
|
equalsBoundNode("closestLoop"));
|
||
|
|
|
||
|
|
Finder->addMatcher(
|
||
|
|
continueStmt(
|
||
|
|
hasAncestor(stmt(anyOf(forStmt(), whileStmt(), cxxForRangeStmt(),
|
||
|
|
doStmt(), switchStmt()))
|
||
|
|
.bind("closestLoop")),
|
||
|
|
hasAncestor(DoWithFalse))
|
||
|
|
.bind("continue"),
|
||
|
|
this);
|
||
|
|
}
|
||
|
|
|
||
|
|
void TerminatingContinueCheck::check(const MatchFinder::MatchResult &Result) {
|
||
|
|
const auto *ContStmt = Result.Nodes.getNodeAs<ContinueStmt>("continue");
|
||
|
|
|
||
|
|
auto Diag =
|
||
|
|
diag(ContStmt->getBeginLoc(),
|
||
|
|
"'continue' in loop with false condition is equivalent to 'break'")
|
||
|
|
<< tooling::fixit::createReplacement(*ContStmt, "break");
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace clang::tidy::bugprone
|