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/*------------------------------------------------------------------------------
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-- This file is a part of the VHDL Tools Software
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-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------*/
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/*-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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----------------------------------------------------------------------------*/
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#include "vhdl_scanner.h"
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#include <QDebug>
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VHDL_Tools::vhdl_Scanner::vhdl_Scanner(std::istream *in, const QString &fileName)
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: yyFlexLexer(in)
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{
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this->rootNode = new VHDL_Tools::VHDL_AST_Node(fileName,VHDL_Tools::rootNode);
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this->currentNode = rootNode;
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this->rootNode->parent = this->rootNode;
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}
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VHDL_Tools::vhdl_Scanner::~vhdl_Scanner()
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{
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deleteNode(rootNode);
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}
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int VHDL_Tools::vhdl_Scanner::scan()
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{
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return( yylex() );
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}
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int VHDL_Tools::vhdl_Scanner::newFile(std::istream *in, const QString &fileName,bool trashPreviousTree)
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{
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switch_streams(in);
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if(trashPreviousTree)
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deleteNode(rootNode);
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this->rootNode = new VHDL_Tools::VHDL_AST_Node(fileName,VHDL_Tools::rootNode);
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this->currentNode = rootNode;
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this->rootNode->parent = this->rootNode;
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return 1;
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}
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void VHDL_Tools::vhdl_Scanner::appendNode(VHDL_Tools::VHDL_AST_Node *node)
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{
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this->currentNode->childs.append(node);
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node->parent = this->currentNode;
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this->currentNode = node;
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}
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void VHDL_Tools::vhdl_Scanner::deleteNode(VHDL_Tools::VHDL_AST_Node *node)
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{
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for(int i=0;i<node->childs.count();i++)
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{
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deleteNode(node->childs.at(i));
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}
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node->parent->childs.removeAll(node);
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delete node;
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}
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