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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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#ifndef vhdl_SCANNER_H
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#define vhdl_SCANNER_H
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#if ! defined(yyFlexLexerOnce)
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#include <FlexLexer.h>
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#endif
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#include <iostream>
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#include <cstdlib>
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#include <fstream>
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#include <QString>
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#include <QList>
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#include <QStack>
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#include "vhdl_ast_node.h"
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#include "vhdl_fragment.h"
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#undef YY_DECL
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#define YY_DECL int VHDL_Tools::vhdl_Scanner::yylex()
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namespace VHDL_Tools{
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class vhdl_Scanner_block_stack
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{
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public:
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vhdl_Scanner_block_stack(bool waitForSemicolon,bool waitForParen, int delta)
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:waitForSemicolon(waitForSemicolon),waitForParen(waitForParen),stackDelta(delta){}
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bool waitForSemicolon;
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bool waitForParen;
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int stackDelta;
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};
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class vhdl_Scanner : public yyFlexLexer
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{
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public:
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vhdl_Scanner(std::istream *in,const QString& fileName);
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~vhdl_Scanner();
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int scan();
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int newFile(std::istream *in, const QString& fileName, bool trashPreviousTree=false);
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VHDL_Tools::VHDL_AST_Node* getScanTree(){return rootNode;}
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private:
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/* hide this one from public view */
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int yylex();
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void appendNode(VHDL_Tools::VHDL_AST_Node* node);
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void deleteNode(VHDL_Tools::VHDL_AST_Node* node);
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VHDL_Tools::VHDL_AST_Node* rootNode,*currentNode;
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};
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}
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#endif // vhdl_SCANNER_H
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