cppcheck/lib/checkassignif.h

92 lines
2.7 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 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 checkassignifH
#define checkassignifH
//---------------------------------------------------------------------------
#include "check.h"
/// @addtogroup Checks
/// @{
/**
* @brief Check for assignment / condition mismatches
*/
class CheckAssignIf : public Check
{
public:
/** This constructor is used when registering the CheckAssignIf */
CheckAssignIf() : Check(myName())
{
}
/** This constructor is used when running checks. */
CheckAssignIf(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
: Check(myName(), tokenizer, settings, errorLogger)
{
}
/** @brief Run checks against the simplified token list */
void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
{
CheckAssignIf checkAssignIf(tokenizer, settings, errorLogger);
checkAssignIf.assignIf();
checkAssignIf.comparison();
}
/** mismatching assignment / comparison */
void assignIf();
/** mismatching lhs and rhs in comparison */
void comparison();
private:
void assignIfError(const Token *tok, bool result);
void comparisonError(const Token *tok, bool result);
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings)
{
CheckAssignIf c(0, settings, errorLogger);
c.assignIfError(0, false);
c.comparisonError(0, false);
}
std::string myName() const
{
return "match assignments and conditions";
}
std::string classInfo() const
{
return "Match assignments and conditions:\n"
" * Mismatching assignment and comparison => comparison is always true/false\n"
" * Mismatching lhs and rhs in comparison => comparison is always true/false";
}
};
/// @}
//---------------------------------------------------------------------------
#endif