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/*
* Copyright (C) 2015 Andrei Karas
*
* This file is part of Paranoid null checker.
*
* 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
* 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 "analysis/expression.h"
#include "command.h"
#include "logger.h"
#include "analysis/analysis.h"
#include "analysis/reports.h"
#include "analysis/varitem.h"
#include "analysis/walkitem.h"
#include "nodes/expr/addr_expr.h"
#include "nodes/expr/modify_expr.h"
#include "nodes/expr/pointerplus_expr.h"
#include "nodes/ref/array_ref.h"
#include "nodes/ref/component_ref.h"
#include "nodes/ref/indirect_ref.h"
#include <set>
#include "localconsts.h"
namespace Analysis
{
void analyseComponentRef(ComponentRefNode *node,
const WalkItem &wi,
WalkItem &wo A_UNUSED)
{
// need atleast one arg for check
if (!node->object || checkCommand(FindArgs))
return;
/*
Node *arg = skipNop(node->object);
if (arg == INDIRECT_REF)
{
reportParmDeclNullPointer(node,
static_cast<IndirectRefNode*>(arg)->ref,
wi);
}
*/
}
void analyseArrayRef(ArrayRefNode *node,
const WalkItem &wi,
WalkItem &wo A_UNUSED)
{
// need atleast one arg for check
if (node->args.empty() || checkCommand(FindArgs))
return;
// if (isIn("cell", wi.knownNonNullVars))
// Log::log("cell ok1\n");
// else
// Log::log("cell not ok1\n");
// Log::log("array start\n");
FOR_EACH(it, node->args)
{
VarItem var = getVariableName(it);
if (!var.isNonNull && isNotIn(var.name, wo.knownNonNullVars))
reportParmDeclNullPointer(node, it, wi);
}
// if (isIn("cell", wi.knownNonNullVars))
// Log::log("cell ok1\n");
// else
// Log::log("cell not ok1\n");
// Log::log("array end\n");
}
}
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