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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <rtl/alloc.h>
#include <aststack.hxx>
#include <astscope.hxx>
AstStack::AstStack() {}
AstStack::~AstStack()
{
for (AstScope* p : m_stack)
delete p;
}
AstScope* AstStack::top()
{
if (m_stack.empty())
return nullptr;
return m_stack.back();
}
AstScope* AstStack::bottom()
{
if (m_stack.empty())
return nullptr;
return m_stack.front();
}
AstScope* AstStack::nextToTop()
{
if (m_stack.size() < 2)
return nullptr;
return m_stack[m_stack.size() - 2];
}
AstScope* AstStack::topNonNull()
{
for (sal_uInt32 i = m_stack.size(); i > 0; i--)
{
if (m_stack[i - 1])
return m_stack[i - 1];
}
return nullptr;
}
AstStack* AstStack::push(AstScope* pScope)
{
m_stack.push_back(pScope);
return this;
}
void AstStack::pop()
{
if (m_stack.empty())
return;
m_stack.pop_back();
}
void AstStack::clear() { m_stack.clear(); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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