cppcheck/lib/checkuninitvar.h

105 lines
3.4 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 checkuninitvarH
#define checkuninitvarH
//---------------------------------------------------------------------------
#include "check.h"
#include "settings.h"
class Token;
/// @addtogroup Checks
/// @{
/** @brief Checking for uninitialized variables */
class CheckUninitVar : public Check
{
public:
/** @brief This constructor is used when registering the CheckUninitVar */
CheckUninitVar() : Check()
{ }
/** @brief This constructor is used when running checks. */
CheckUninitVar(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
: Check(tokenizer, settings, errorLogger)
{ }
/** @brief Run checks against the normal token list */
void runChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
{
(void)tokenizer;
(void)settings;
(void)errorLogger;
}
/** @brief Run checks against the simplified token list */
void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
{
CheckUninitVar checkUninitVar(tokenizer, settings, errorLogger);
checkUninitVar.executionPaths();
}
/**
* @brief Uninitialized variables: analyse functions to see how they work with uninitialized variables
* @param tokens [in] the token list
* @param func [out] names of functions that don't handle uninitialized variables well. the function names are added to the set. No clearing is made.
*/
void analyse(const Token * tokens, std::set<std::string> &func) const;
/** Save analysis results */
void saveAnalysisData(const std::set<std::string> &data) const;
/** @brief new type of check: check execution paths */
void executionPaths();
void uninitstringError(const Token *tok, const std::string &varname);
void uninitdataError(const Token *tok, const std::string &varname);
void uninitvarError(const Token *tok, const std::string &varname);
void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings)
{
CheckUninitVar c(0, settings, errorLogger);
// error
c.uninitstringError(0, "varname");
c.uninitdataError(0, "varname");
c.uninitvarError(0, "varname");
}
std::string name() const
{
return "Uninitialized variables";
}
std::string classInfo() const
{
return "Uninitialized variables\n"
"* using uninitialized variables and data\n";
}
};
/// @}
//---------------------------------------------------------------------------
#endif