63c508e3e8
118568: switch to using ucpp
Patch contributed by Juergen Schmidt
http://svn.apache.org/viewvc?view=revision&revision=1209396
126 lines
2.8 KiB
C++
126 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <rtl/alloc.h>
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#include <idlc/aststack.hxx>
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#include <idlc/astscope.hxx>
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#define STACKSIZE_INCREMENT 64
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AstStack::AstStack()
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: m_stack((AstScope**)rtl_allocateZeroMemory(sizeof(AstScope*) * STACKSIZE_INCREMENT))
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, m_size(STACKSIZE_INCREMENT)
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, m_top(0)
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{
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}
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AstStack::~AstStack()
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{
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for(sal_uInt32 i=0; i < m_top; i++)
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{
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if (m_stack[i])
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delete(m_stack[i]);
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}
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rtl_freeMemory(m_stack);
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}
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sal_uInt32 AstStack::depth()
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{
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return m_top;
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}
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AstScope* AstStack::top()
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{
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if (m_top < 1)
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return NULL;
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return m_stack[m_top - 1];
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}
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AstScope* AstStack::bottom()
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{
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if (m_top == 0)
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return NULL;
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return m_stack[0];
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}
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AstScope* AstStack::nextToTop()
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{
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AstScope *tmp, *retval;
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if (depth() < 2)
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return NULL;
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tmp = top(); // Save top
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(void) pop(); // Pop it
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retval = top(); // Get next one down
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(void) push(tmp); // Push top back
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return retval; // Return next one down
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}
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AstScope* AstStack::topNonNull()
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{
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for (sal_uInt32 i = m_top; i > 0; i--)
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{
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if ( m_stack[i - 1] )
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return m_stack[i - 1];
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}
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return NULL;
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}
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AstStack* AstStack::push(AstScope* pScope)
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{
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AstScope **tmp;
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// AstDeclaration *pDecl = ScopeAsDecl(pScope);
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sal_uInt32 newSize;
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sal_uInt32 i;
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// Make sure there's space for one more
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if (m_size == m_top)
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{
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newSize = m_size;
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newSize += STACKSIZE_INCREMENT;
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tmp = (AstScope**)rtl_allocateZeroMemory(sizeof(AstScope*) * newSize);
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for(i=0; i < m_size; i++)
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tmp[i] = m_stack[i];
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rtl_freeMemory(m_stack);
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m_stack = tmp;
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}
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// Insert new scope
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m_stack[m_top++] = pScope;
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return this;
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}
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void AstStack::pop()
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{
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if (m_top < 1)
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return;
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--m_top;
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}
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void AstStack::clear()
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{
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m_top = 0;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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