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

//===--- UnnecessaryValueParamCheck.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 "UnnecessaryValueParamCheck.h"

#include "../utils/DeclRefExprUtils.h"
#include "../utils/FixItHintUtils.h"
#include "../utils/Matchers.h"
#include "../utils/OptionsUtils.h"
#include "../utils/TypeTraits.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/Lexer.h"
#include "clang/Lex/Preprocessor.h"
#include <optional>

usingnamespaceclang::ast_matchers;

namespace clang::tidy::performance {

namespace {

std::string paramNameOrIndex(StringRef Name, size_t Index) { … }

bool isReferencedOutsideOfCallExpr(const FunctionDecl &Function,
                                   ASTContext &Context) { … }

bool hasLoopStmtAncestor(const DeclRefExpr &DeclRef, const Decl &Decl,
                         ASTContext &Context) { … }

} // namespace

UnnecessaryValueParamCheck::UnnecessaryValueParamCheck(
    StringRef Name, ClangTidyContext *Context)
    : … { … }

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

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

void UnnecessaryValueParamCheck::registerPPCallbacks(
    const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) { … }

void UnnecessaryValueParamCheck::storeOptions(
    ClangTidyOptions::OptionMap &Opts) { … }

void UnnecessaryValueParamCheck::onEndOfTranslationUnit() { … }

void UnnecessaryValueParamCheck::handleConstRefFix(const FunctionDecl &Function,
                                                   const ParmVarDecl &Param,
                                                   ASTContext &Context) { … }

void UnnecessaryValueParamCheck::handleMoveFix(const ParmVarDecl &Param,
                                               const DeclRefExpr &CopyArgument,
                                               ASTContext &Context) { … }

} // namespace clang::tidy::performance