cppcheck/lib/checkpostfixoperator.h

86 lines
2.7 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2018 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 checkpostfixoperatorH
#define checkpostfixoperatorH
//---------------------------------------------------------------------------
#include "check.h"
#include "config.h"
#include "tokenize.h"
#include <string>
class ErrorLogger;
class Settings;
class Token;
/// @addtogroup Checks
/// @{
/**
* @brief Using postfix operators ++ or -- rather than postfix operator.
*/
class CPPCHECKLIB CheckPostfixOperator : public Check {
public:
/** This constructor is used when registering the CheckPostfixOperator */
CheckPostfixOperator() : Check(myName()) {
}
/** This constructor is used when running checks. */
CheckPostfixOperator(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
: Check(myName(), tokenizer, settings, errorLogger) {
}
void runChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) override {
if (tokenizer->isC())
return;
CheckPostfixOperator checkPostfixOperator(tokenizer, settings, errorLogger);
checkPostfixOperator.postfixOperator();
}
void runSimplifiedChecks(const Tokenizer * /*tokenizer*/, const Settings * /*settings*/, ErrorLogger * /*errorLogger*/) override {
}
/** Check postfix operators */
void postfixOperator();
private:
/** Report Error */
void postfixOperatorError(const Token *tok);
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const override {
CheckPostfixOperator c(nullptr, settings, errorLogger);
c.postfixOperatorError(nullptr);
}
static std::string myName() {
return "Using postfix operators";
}
std::string classInfo() const override {
return "Warn if using postfix operators ++ or -- rather than prefix operator\n";
}
};
/// @}
//---------------------------------------------------------------------------
#endif // checkpostfixoperatorH