133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/
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*/
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//---------------------------------------------------------------------------
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#ifndef checkstlH
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#define checkstlH
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//---------------------------------------------------------------------------
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#include "check.h"
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class Token;
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/// @addtogroup Checks
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/// @{
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/** @brief %Check STL usage */
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class CheckStl : public Check
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{
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public:
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/** This constructor is used when registering the CheckClass */
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CheckStl() : Check()
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{ }
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/** This constructor is used when running checks.. */
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CheckStl(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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: Check(tokenizer, settings, errorLogger)
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{ }
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void runSimplifiedChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
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{
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CheckStl checkStl(tokenizer, settings, errorLogger);
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checkStl.stlOutOfBounds();
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checkStl.iterators();
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checkStl.erase();
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checkStl.pushback();
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checkStl.stlBoundries();
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}
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/**
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* Finds errors like this:
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* for (unsigned ii = 0; ii <= foo.size(); ++ii)
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*/
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void stlOutOfBounds();
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/**
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* Finds errors like this:
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* for (it = foo.begin(); it != bar.end(); ++it)
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*/
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void iterators();
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/** Dereferencing an erased iterator */
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void dereferenceErasedError(const Token *tok, const std::string &itername);
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/**
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* Dangerous usage of erase
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*/
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void erase();
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/**
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* Dangerous usage of push_back
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*/
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void pushback();
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/**
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* bad condition.. "it < alist.end()"
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*/
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void stlBoundries();
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private:
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/**
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* Helper function used by the 'erase' function
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* This function parses a loop
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* @param it iterator token
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*/
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void eraseCheckLoop(const Token *it);
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void stlOutOfBoundsError(const Token *tok, const std::string &num, const std::string &var);
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void iteratorsError(const Token *tok, const std::string &container1, const std::string &container2);
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void eraseError(const Token *tok);
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void pushbackError(const Token *tok, const std::string &iterator_name);
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void invalidPointerError(const Token *tok, const std::string &pointer_name);
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void stlBoundriesError(const Token *tok, const std::string &container_name);
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void getErrorMessages()
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{
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iteratorsError(0, "container1", "container2");
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dereferenceErasedError(0, "iter");
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stlOutOfBoundsError(0, "i", "foo");
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eraseError(0);
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pushbackError(0, "iterator");
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invalidPointerError(0, "pointer");
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stlBoundriesError(0, "container");
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}
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std::string name() const
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{
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return "STL usage";
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}
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std::string classInfo() const
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{
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return "Check for invalid usage of STL:\n"
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" * out of bounds errors\n"
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" * misuse of iterators when iterating through a container\n"
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" * dereferencing an erased iterator\n"
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" * for vectors: using iterator/pointer after push_back has been used\n";
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}
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};
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/// @}
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//---------------------------------------------------------------------------
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#endif
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