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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2012 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/>.
*/
#include "checkboost.h"
// Register this check class (by creating a static instance of it)
namespace {
CheckBoost instance;
}
void CheckBoost::checkBoostForeachModification()
{
for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next()) {
if (!Token::simpleMatch(tok, "BOOST_FOREACH ("))
continue;
const Token *container_tok = tok->next()->link()->previous();
if (!Token::Match(container_tok, "%var% ) {"))
continue;
const unsigned int container_id = container_tok->varId();
if (container_id == 0)
continue;
const Token *tok2 = container_tok->tokAt(2);
const Token *end = tok2->link();
for (; tok2 != end; tok2 = tok2->next()) {
if (Token::Match(tok2, "%varid% . insert|erase|push_back|push_front|pop_front|pop_back|clear|swap|resize|assign|merge|remove|remove_if|reverse|sort|splice|unique|pop|push", container_id)) {
boostForeachError(tok2);
break;
}
}
}
}
void CheckBoost::boostForeachError(const Token *tok)
{
reportError(tok, Severity::error, "boostForeachError",
"BOOST_FOREACH caches the end() iterator. It's undefined behavior if you modify the container."
);
}
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