cppcheck/lib/checkexceptionsafety.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2009 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 "checkexceptionsafety.h"
#include "tokenize.h"
#include "token.h"
#include "errorlogger.h"
//---------------------------------------------------------------------------
// Register CheckExceptionSafety..
namespace
{
CheckExceptionSafety instance;
}
//---------------------------------------------------------------------------
void CheckExceptionSafety::destructors()
{
// This is a style error..
if (!_settings->_checkCodingStyle)
return;
// Perform check..
for (const Token * tok = _tokenizer->tokens(); tok; tok = tok->next())
{
if (Token::simpleMatch(tok, ") {"))
tok = tok->next()->link();
if (!Token::Match(tok, "~ %var% ( ) {"))
continue;
// Inspect this destructor..
unsigned int indentlevel = 0;
for (const Token *tok2 = tok->tokAt(5); tok2; tok2 = tok2->next())
{
if (tok2->str() == "{")
{
++indentlevel;
}
else if (tok2->str() == "}")
{
if (indentlevel <= 1)
break;
--indentlevel;
}
else if (tok2->str() == "throw")
{
destructorsError(tok2);
break;
}
}
}
}