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/*
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB a KDAB Group company info@kdab.com
SPDX-FileContributor: Sérgio Martins <sergio.martins@kdab.com>
SPDX-FileCopyrightText: 2015-2016 Sergio Martins <smartins@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef CLANG_LAZY_CHECK_MANAGER_H
#define CLANG_LAZY_CHECK_MANAGER_H
#include "checkbase.h"
#include <clang/Lex/PreprocessorOptions.h>
#include <functional>
#include <mutex>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
class ClazyContext;
struct RegisteredFixIt {
using List = std::vector<RegisteredFixIt>;
RegisteredFixIt()
: id(-1)
{
}
RegisteredFixIt(int id, const std::string &name)
: id(id)
, name(name)
{
}
int id = -1;
std::string name;
bool operator==(const RegisteredFixIt &other) const
{
return id == other.id;
}
};
using FactoryFunction = std::function<CheckBase *()>;
struct RegisteredCheck {
enum Option { Option_None = 0, Option_VisitsStmts = 2, Option_VisitsDecls = 4, Option_PreprocessorCallbacks = 8, Option_VisitAllTypeDefs = 16 };
using List = std::vector<RegisteredCheck>;
using Options = int;
std::string name;
CheckLevel level;
FactoryFunction factory;
Options options;
bool operator==(const RegisteredCheck &other) const
{
return name == other.name;
}
};
inline bool checkLessThan(const RegisteredCheck &c1, const RegisteredCheck &c2)
{
return c1.name < c2.name;
}
inline bool checkLessThanByLevel(const RegisteredCheck &c1, const RegisteredCheck &c2)
{
if (c1.level == c2.level) {
return checkLessThan(c1, c2);
}
return c1.level < c2.level;
}
class CheckManager
{
public:
/**
* @note You must hold the CheckManager lock when operating on the instance
*
* @sa lock()
*/
static CheckManager *instance();
static std::mutex &lock()
{
return m_lock;
}
RegisteredCheck::List availableChecks(CheckLevel maxLevel) const;
RegisteredCheck::List requestedChecksThroughEnv(std::vector<std::string> &userDisabledChecks) const;
std::vector<std::string> checksAsErrors() const;
RegisteredCheck::List::const_iterator checkForName(const RegisteredCheck::List &checks, const std::string &name) const;
RegisteredCheck::List checksForCommaSeparatedString(const std::string &str) const;
RegisteredCheck::List checksForCommaSeparatedString(const std::string &str, std::vector<std::string> &userDisabledChecks) const;
RegisteredFixIt::List availableFixIts(const std::string &checkName) const;
/**
* Returns all the requested checks.
* This is a union of the requested checks via env variable and via arguments passed to compiler
*/
RegisteredCheck::List requestedChecks(std::vector<std::string> &args);
std::vector<std::pair<CheckBase *, RegisteredCheck>> createChecks(const RegisteredCheck::List &requestedChecks, ClazyContext *context);
static void removeChecksFromList(RegisteredCheck::List &list, std::vector<std::string> &checkNames);
private:
CheckManager();
static std::mutex m_lock;
void registerChecks();
void registerFixIt(int id, const std::string &fititName, const std::string &checkName);
void registerCheck(const RegisteredCheck &check);
bool checkExists(const std::string &name) const;
RegisteredCheck::List checksForLevel(int level) const;
CheckBase *createCheck(const std::string &name);
std::string checkNameForFixIt(const std::string &) const;
RegisteredCheck::List m_registeredChecks;
std::unordered_map<std::string, std::vector<RegisteredFixIt>> m_fixitsByCheckName;
std::unordered_map<std::string, RegisteredFixIt> m_fixitByName;
};
#endif
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