oaverilogscanner.h

openaccess与verilog互相转化时所用的源代码

// *****************************************************************************
// *****************************************************************************
// oaVerilogScanner.h
//
// This file contains the definition for the Scanner class.  The Scanner
// implements a scanner for IEEE 1364-2001 Verilog.  The majority of the
// methods of this class are generated via flex++.  See the flex man page for
// details.
//
// Compile with the following:
//     flex++ -PvliYY
//
// *****************************************************************************
// Except as specified in the OpenAccess terms of use of Cadence or Silicon
// Integration Initiative, this material may not be copied, modified,
// re-published, uploaded, executed, or distributed in any way, in any medium,
// in whole or in part, without prior written permission from Cadence.
//
//                Copyright 2003-2005 Cadence Design Systems, Inc.
//                           All Rights Reserved.
//
//  $Author: sailajad $
//  $Revision: 1.18 $
//  $Date: 2005/08/05 21:48:55 $
//  $State: Exp $
// *****************************************************************************
// *****************************************************************************



#ifndef oaVerilogScanner_P
#define oaVerilogScanner_P



BEGIN_VERILOG_NAMESPACE



// *****************************************************************************
// #defines required by Flex++
// *****************************************************************************

#ifndef YY_BUFFER_STATE
#define YY_BUFFER_STATE struct yy_buffer_state*
#endif 

#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#endif 

#ifndef yyFlexLexer
#define yyFlexLexer vliYYFlexLexer
END_VERILOG_NAMESPACE
#include "oaVerilogFlexLexer.h"
BEGIN_VERILOG_NAMESPACE
#endif 

#define OAVLI_MAX_INCLUDE_DEPTH		15
#define OAVLI_DEFAULT_NETTYPE_BUFSIZE	64
#define OAVLI_ERROR_MESSAGE_BUFSIZE	2048



// *****************************************************************************
// Scanner
// *****************************************************************************
class OA_VERILOG_DLL_API Scanner : public yyFlexLexer {
  public:
                            Scanner();

    void                    init(StringList *fileNames);
    const char              *getCurrentFileName() const;
    oaUInt4                 getCurrentLineNumber() const;
    virtual int             yylex(ParserStypeWrapper	*lvalIn);
    virtual int             yylex();
    virtual const char	    *getText() const {return yytext;}
    void                    clearStack();

  protected:
    ParserStypeWrapper	    *yylval;
    int			    yywrap();
    void                    fatalExpectedNumber(const char  text[]);
    void                    fatalUnexpectedToken(const char text[]);

    YY_BUFFER_STATE         includeStack[OAVLI_MAX_INCLUDE_DEPTH];
    int                     includeStackPtr;

    int                     fileLineNumber[OAVLI_MAX_INCLUDE_DEPTH];
    oaString		    fileName[OAVLI_MAX_INCLUDE_DEPTH];
    char                    defaultNettype[OAVLI_DEFAULT_NETTYPE_BUFSIZE];
    char                    errorMessage[OAVLI_ERROR_MESSAGE_BUFSIZE];

    StringList		    *files;
    StringListIter	    fileIter;
};



END_VERILOG_NAMESPACE



#endif