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/*
This file is part of the clazy static checker.
Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Sérgio Martins <sergio.martins@kdab.com>
Copyright (C) 2015-2017 Sergio Martins <smartins@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CLAZY_AST_ACTION_H
#define CLAZY_AST_ACTION_H
#include "checkmanager.h"
#include "ClazyContext.h"
#include <clang/AST/ASTConsumer.h>
#include <clang/Frontend/FrontendAction.h>
#include "clang/AST/RecursiveASTVisitor.h"
#include <memory>
#include <vector>
#include <string>
namespace clang {
class CompilerInstance;
}
/**
* This is the FrontendAction that is run with clazy is used as a plugin.
*/
class ClazyASTAction : public clang::PluginASTAction
{
public:
enum HelpMode {
HelpMode_Normal = 0,
HelpMode_AnchorHeader = 1
};
ClazyASTAction();
protected:
std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(clang::CompilerInstance &ci, llvm::StringRef) override;
bool ParseArgs(const clang::CompilerInstance &ci, const std::vector<std::string> &args_) override;
void PrintHelp(llvm::raw_ostream &ros, HelpMode = HelpMode_Normal) const;
void PrintAnchorHeader(llvm::raw_ostream &ro, RegisteredCheck::List &checks) const;
private:
void printRequestedChecks() const;
RegisteredCheck::List m_checks;
ClazyContext::ClazyOptions m_options = 0;
CheckManager *const m_checkManager;
ClazyContext *m_context = nullptr;
};
/**
* This is the FrontendAction that is run with clazy is used standalone instead of as a plugin.
* i.e: when you run clazy-standalone, this is the invoked FrontendAction
*/
class ClazyStandaloneASTAction : public clang::ASTFrontendAction
{
public:
explicit ClazyStandaloneASTAction(const std::string &checkList, ClazyContext::ClazyOptions = ClazyContext::ClazyOption_None);
protected:
std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(clang::CompilerInstance &ci, llvm::StringRef) override;
private:
std::string m_checkList;
const ClazyContext::ClazyOptions m_options;
};
/**
* Clazy's AST Consumer.
*/
class ClazyASTConsumer : public clang::ASTConsumer,
public clang::RecursiveASTVisitor<ClazyASTConsumer>
{
public:
explicit ClazyASTConsumer(ClazyContext *context);
~ClazyASTConsumer();
bool shouldVisitImplicitCode() const { return m_context->isVisitImplicitCode(); }
bool VisitDecl(clang::Decl *decl);
bool VisitStmt(clang::Stmt *stm);
void HandleTranslationUnit(clang::ASTContext &ctx) override;
void addCheck(CheckBase *check);
ClazyContext *context() const { return m_context; }
private:
ClazyASTConsumer(const ClazyASTConsumer &) = delete;
clang::Stmt *lastStm = nullptr;
ClazyContext *const m_context;
CheckBase::List m_createdChecks;
clang::ast_matchers::MatchFinder m_matchFinder;
};
#endif
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