97 lines
3.2 KiB
C++
97 lines
3.2 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"
|
|
#include "mathlib.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();
|
|
checkAssignIf.multiCondition();
|
|
}
|
|
|
|
/** mismatching assignment / comparison */
|
|
void assignIf();
|
|
|
|
/** mismatching lhs and rhs in comparison */
|
|
void comparison();
|
|
|
|
/** match 'if' and 'else if' conditions */
|
|
void multiCondition();
|
|
|
|
private:
|
|
|
|
void assignIfError(const Token *tok, bool result);
|
|
|
|
void comparisonError(const Token *tok,
|
|
MathLib::bigint value1,
|
|
const std::string &op,
|
|
MathLib::bigint value2,
|
|
bool result);
|
|
|
|
void multiConditionError(const Token *tok, unsigned int line1);
|
|
|
|
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) {
|
|
CheckAssignIf c(0, settings, errorLogger);
|
|
c.assignIfError(0, false);
|
|
c.comparisonError(0, 6, "==", 1, false);
|
|
c.multiConditionError(0,1);
|
|
}
|
|
|
|
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\n"
|
|
"* Detect matching 'if' and 'else if' conditions";
|
|
}
|
|
};
|
|
/// @}
|
|
//---------------------------------------------------------------------------
|
|
#endif
|
|
|