cppcheck/lib/check.h

172 lines
5.7 KiB
C
Raw Normal View History

/*
* Cppcheck - A tool for static C/C++ code analysis
2022-08-28 14:22:12 +02:00
* Copyright (C) 2007-2022 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//---------------------------------------------------------------------------
#ifndef checkH
#define checkH
//---------------------------------------------------------------------------
#include "config.h"
2020-05-23 07:16:49 +02:00
#include "errortypes.h"
#include <list>
2017-05-27 04:33:47 +02:00
#include <string>
namespace tinyxml2 {
class XMLElement;
}
2018-12-25 21:11:23 +01:00
namespace CTU {
class FileInfo;
}
namespace ValueFlow {
class Value;
}
class Settings;
class Token;
class ErrorLogger;
2020-05-23 07:16:49 +02:00
class ErrorMessage;
class Tokenizer;
2017-06-05 18:41:15 +02:00
/** Use WRONG_DATA in checkers to mark conditions that check that data is correct */
2020-10-03 15:35:00 +02:00
#define WRONG_DATA(COND, TOK) ((COND) && wrongData((TOK), #COND))
2017-06-05 18:41:15 +02:00
/// @addtogroup Core
/// @{
/**
* @brief Interface class that cppcheck uses to communicate with the checks.
* All checking classes must inherit from this class
*/
class CPPCHECKLIB Check {
public:
/** This constructor is used when registering the CheckClass */
explicit Check(const std::string &aname);
2010-03-17 22:16:18 +01:00
/** This constructor is used when running checks. */
Check(const std::string &aname, const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
2021-08-07 20:51:18 +02:00
: mTokenizer(tokenizer), mSettings(settings), mErrorLogger(errorLogger), mName(aname) {}
2009-03-20 17:15:51 +01:00
2014-11-20 14:20:09 +01:00
virtual ~Check() {
if (!mTokenizer)
instances().remove(this);
}
Check(const Check &) = delete;
Check& operator=(const Check &) = delete;
/** List of registered check classes. This is used by Cppcheck to run checks and generate documentation */
2014-11-26 16:13:57 +01:00
static std::list<Check *> &instances();
/** run checks, the token list is not simplified */
2019-03-16 09:17:50 +01:00
virtual void runChecks(const Tokenizer *, const Settings *, ErrorLogger *) = 0;
/** get error messages */
2012-02-18 23:43:51 +01:00
virtual void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const = 0;
2009-03-20 17:15:51 +01:00
/** class name, used to generate documentation */
2014-11-20 14:20:09 +01:00
const std::string& name() const {
2018-06-16 16:31:07 +02:00
return mName;
}
2009-06-12 15:20:08 +02:00
/** get information about this class, used to generate documentation */
virtual std::string classInfo() const = 0;
/**
* Write given error to errorlogger or to out stream in xml format.
* This is for for printout out the error list with --errorlist
* @param errmsg Error message to write
*/
2020-05-23 07:16:49 +02:00
static void reportError(const ErrorMessage &errmsg);
/** Base class used for whole-program analysis */
class CPPCHECKLIB FileInfo {
public:
FileInfo() {}
virtual ~FileInfo() {}
2016-10-29 12:18:11 +02:00
virtual std::string toString() const {
return std::string();
}
};
virtual FileInfo * getFileInfo(const Tokenizer *tokenizer, const Settings *settings) const {
(void)tokenizer;
(void)settings;
return nullptr;
}
virtual FileInfo * loadFileInfoFromXml(const tinyxml2::XMLElement *xmlElement) const {
(void)xmlElement;
return nullptr;
}
// Return true if an error is reported.
2021-08-07 20:51:18 +02:00
virtual bool analyseWholeProgram(const CTU::FileInfo *ctu, const std::list<FileInfo*> &fileInfo, const Settings& /*settings*/, ErrorLogger & /*errorLogger*/) {
2018-12-25 21:11:23 +01:00
(void)ctu;
(void)fileInfo;
//(void)settings;
2020-05-23 07:16:49 +02:00
//(void)errorLogger;
return false;
}
2019-07-25 17:19:51 +02:00
static std::string getMessageId(const ValueFlow::Value &value, const char id[]);
2009-03-20 17:15:51 +01:00
protected:
const Tokenizer * const mTokenizer;
const Settings * const mSettings;
ErrorLogger * const mErrorLogger;
/** report an error */
2020-02-01 08:52:34 +01:00
void reportError(const Token *tok, const Severity::SeverityType severity, const std::string &id, const std::string &msg) {
reportError(tok, severity, id, msg, CWE(0U), Certainty::normal);
}
/** report an error */
void reportError(const Token *tok, const Severity::SeverityType severity, const std::string &id, const std::string &msg, const CWE &cwe, Certainty::CertaintyLevel certainty) {
2016-02-27 16:03:50 +01:00
const std::list<const Token *> callstack(1, tok);
reportError(callstack, severity, id, msg, cwe, certainty);
}
/** report an error */
2020-02-01 08:52:34 +01:00
void reportError(const std::list<const Token *> &callstack, Severity::SeverityType severity, const std::string &id, const std::string &msg) {
reportError(callstack, severity, id, msg, CWE(0U), Certainty::normal);
2009-03-21 21:33:27 +01:00
}
2009-03-21 21:33:27 +01:00
/** report an error */
void reportError(const std::list<const Token *> &callstack, Severity::SeverityType severity, const std::string &id, const std::string &msg, const CWE &cwe, Certainty::CertaintyLevel certainty);
2009-03-21 21:33:27 +01:00
void reportError(const ErrorPath &errorPath, Severity::SeverityType severity, const char id[], const std::string &msg, const CWE &cwe, Certainty::CertaintyLevel certainty);
2019-12-21 11:54:47 +01:00
ErrorPath getErrorPath(const Token* errtok, const ValueFlow::Value* value, const std::string& bug) const;
2017-06-05 18:41:15 +02:00
/**
* Use WRONG_DATA in checkers when you check for wrong data. That
* will call this method
*/
2020-10-03 15:35:00 +02:00
bool wrongData(const Token *tok, const char *str);
private:
const std::string mName;
};
/// @}
//---------------------------------------------------------------------------
#endif // checkH