llvm/clang-tools-extra/clang-tidy/misc/UnusedParametersCheck.cpp

//===--- UnusedParametersCheck.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 "UnusedParametersCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTLambda.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Lex/Lexer.h"
#include "llvm/ADT/STLExtras.h"
#include <unordered_map>
#include <unordered_set>

usingnamespaceclang::ast_matchers;

namespace clang::tidy::misc {

namespace {
bool isOverrideMethod(const FunctionDecl *Function) { … }
} // namespace

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

template <typename T>
static CharSourceRange removeNode(const MatchFinder::MatchResult &Result,
                                  const T *PrevNode, const T *Node,
                                  const T *NextNode) { … }

static FixItHint removeParameter(const MatchFinder::MatchResult &Result,
                                 const FunctionDecl *Function, unsigned Index) { … }

static FixItHint removeArgument(const MatchFinder::MatchResult &Result,
                                const CallExpr *Call, unsigned Index) { … }

class UnusedParametersCheck::IndexerVisitor
    : public RecursiveASTVisitor<IndexerVisitor> { … };

UnusedParametersCheck::~UnusedParametersCheck() = default;

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

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

void UnusedParametersCheck::warnOnUnusedParameter(
    const MatchFinder::MatchResult &Result, const FunctionDecl *Function,
    unsigned ParamIndex) { … }

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

} // namespace clang::tidy::misc