152 lines
4.5 KiB
C++
152 lines
4.5 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef checkH
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#define checkH
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#include "token.h"
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#include "tokenize.h"
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#include "settings.h"
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#include "errorlogger.h"
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#include <list>
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#include <iostream>
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/// @addtogroup Core
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/// @{
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/**
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* @brief Interface class that cppcheck uses to communicate with the checks.
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* All checking classes must inherit from this class
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*/
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class Check
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{
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public:
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/** This constructor is used when registering the CheckClass */
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Check()
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: _tokenizer(0), _settings(0), _errorLogger(0)
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{
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instances().push_back(this);
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instances().sort();
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}
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/** This constructor is used when running checks.. */
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Check(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: _tokenizer(tokenizer), _settings(settings), _errorLogger(errorLogger)
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{ }
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virtual ~Check()
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{
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#ifndef DJGPP
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instances().remove(this);
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#endif
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}
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/** List of registered check classes. This is used by Cppcheck to run checks and generate documentation */
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static std::list<Check *> &instances()
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{
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static std::list<Check *> _instances;
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return _instances;
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}
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/** run checks, the token list is not simplified */
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virtual void runChecks(const Tokenizer *, const Settings *, ErrorLogger *)
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{ }
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/** run checks, the token list is simplified */
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virtual void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) = 0;
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/** get error messages */
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virtual void getErrorMessages() = 0;
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/** class name, used to generate documentation */
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virtual std::string name() const = 0;
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/** get information about this class, used to generate documentation */
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virtual std::string classInfo() const = 0;
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/**
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* Write given error to errorlogger or to out stream in xml format.
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* This is for for printout out the error list with --errorlist
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* @param errmsg Error message to write
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*/
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static void reportError(const ErrorLogger::ErrorMessage &errmsg)
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{
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std::cout << errmsg.toXML() << std::endl;
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}
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protected:
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const Tokenizer * const _tokenizer;
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const Settings * const _settings;
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ErrorLogger * const _errorLogger;
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/** report an error */
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void reportError(const Token *tok, const Severity::e severity, const std::string &id, const std::string &msg)
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{
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std::list<const Token *> callstack;
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if (tok)
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callstack.push_back(tok);
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reportError(callstack, severity, id, msg);
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}
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/** report an error */
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void reportError(const std::list<const Token *> &callstack, const Severity::e severity, const std::string &id, std::string msg)
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{
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// If the verbose flag hasn't been given, don't show verbose information
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if (!_settings || !_settings->_verbose)
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{
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std::string::size_type pos = msg.find("\n");
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if (pos != std::string::npos)
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msg.erase(pos);
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}
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std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
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for (std::list<const Token *>::const_iterator it = callstack.begin(); it != callstack.end(); ++it)
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{
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ErrorLogger::ErrorMessage::FileLocation loc;
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loc.line = (*it)->linenr();
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loc.file = _tokenizer->file(*it);
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locationList.push_back(loc);
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}
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const ErrorLogger::ErrorMessage errmsg(locationList, Severity::stringify(severity), msg, id);
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if (_errorLogger)
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_errorLogger->reportErr(errmsg);
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else
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reportError(errmsg);
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}
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private:
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/** compare the names of Check classes, used when sorting the Check descendants */
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bool operator<(const Check *other) const
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{
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return (name() < other->name());
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}
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/** disabled assignment operator */
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void operator=(const Check &);
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};
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/// @}
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#endif
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