cppcheck/lib/checkunusedfunctions.h

103 lines
2.5 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 Daniel Marjamäki and 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 checkunusedfunctionsH
#define checkunusedfunctionsH
//---------------------------------------------------------------------------
#include "check.h"
#include "tokenize.h"
#include "errorlogger.h"
/// @addtogroup Checks
/// @{
class CheckUnusedFunctions: public Check
{
public:
CheckUnusedFunctions(ErrorLogger *errorLogger = 0);
~CheckUnusedFunctions();
/**
* Errors found by this class are forwarded to the given
* errorlogger.
* @param errorLogger The errorlogger to be used.
*/
void setErrorLogger(ErrorLogger *errorLogger);
// Parse current tokens and determine..
// * Check what functions are used
// * What functions are declared
void parseTokens(const Tokenizer &tokenizer);
void check();
private:
void getErrorMessages()
{
unusedFunctionError(0);
}
/**
* Dummy implementation, just to provide error for --errorlist
*/
void unusedFunctionError(const Token *tok);
/**
* Dummy implementation, just to provide error for --errorlist
*/
void runSimplifiedChecks(const Tokenizer *, const Settings *, ErrorLogger *)
{
}
std::string name() const
{
return "Unused functions";
}
std::string classInfo() const
{
return "Check for functions that are never called\n";
}
ErrorLogger *_errorLogger;
class FunctionUsage
{
public:
FunctionUsage() : usedSameFile(false), usedOtherFile(false)
{ }
std::string filename;
bool usedSameFile;
bool usedOtherFile;
};
std::map<std::string, FunctionUsage> _functions;
};
/// @}
//---------------------------------------------------------------------------
#endif