llvm/clang-tools-extra/clang-tidy/performance/ImplicitConversionInLoopCheck.cpp

//===--- ImplicitConversionInLoopCheck.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 "ImplicitConversionInLoopCheck.h"

#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/Lex/Lexer.h"

usingnamespaceclang::ast_matchers;

namespace clang::tidy::performance {

// Checks if the stmt is a ImplicitCastExpr with a CastKind that is not a NoOp.
// The subtlety is that in some cases (user defined conversions), we can
// get to ImplicitCastExpr inside each other, with the outer one a NoOp. In this
// case we skip the first cast expr.
static bool isNonTrivialImplicitCast(const Stmt *ST) { … }

void ImplicitConversionInLoopCheck::registerMatchers(MatchFinder *Finder) { … }

void ImplicitConversionInLoopCheck::check(
    const MatchFinder::MatchResult &Result) { … }

void ImplicitConversionInLoopCheck::reportAndFix(const ASTContext *Context,
                                                 const VarDecl *VD,
                                                 const Expr *OperatorCall) { … }

} // namespace clang::tidy::performance