103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
|
/*
|
||
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
||
|
|
* Copyright (C) 2007-2010 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()
|
||
|
|
{
|
||
|
|
// error
|
||
|
|
uninitstringError(0, "varname");
|
||
|
|
uninitdataError(0, "varname");
|
||
|
|
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
|
||
|
|
|