cppcheck/lib/check64bit.cpp

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/*
* 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/>.
*/
//---------------------------------------------------------------------------
// 64-bit portability
//---------------------------------------------------------------------------
#include "check64bit.h"
#include "symboldatabase.h"
//---------------------------------------------------------------------------
// Register this check class (by creating a static instance of it)
namespace
{
Check64BitPortability instance;
}
void Check64BitPortability::pointerassignment()
{
if (!_settings->_checkCodingStyle)
return;
for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next())
{
if (Token::Match(tok, "[;{}] %var% = %var% ;"))
{
const SymbolDatabase *symbolDatabase = _tokenizer->getSymbolDatabase();
const Variable *var1(symbolDatabase->getVariableFromVarId(tok->tokAt(1)->varId()));
const Variable *var2(symbolDatabase->getVariableFromVarId(tok->tokAt(3)->varId()));
if (!var1 || !var2)
continue;
// Check if var1 is an int/long/DWORD variable
if (!Token::Match(var1->nameToken()->previous(), "int|long|DWORD"))
continue;
// Check if var2 is a pointer variable
if (!Token::simpleMatch(var2->nameToken()->previous(), "*"))
continue;
pointerassignmentError(tok->next());
}
}
}
void Check64BitPortability::pointerassignmentError(const Token *tok)
{
reportError(tok, Severity::portability,
"addresstoint", "Assigning address to int/long is not portable"
);
}