oadefintrack.cpp

openaccess读def,lef文件所用的源代码

// *****************************************************************************
// *****************************************************************************
// DefInTrack.cpp
//
// Functions to handle DEF TRACKS constructs for the 'def2oa' translator.
//
// *****************************************************************************
// 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 2002-2005 Cadence Design Systems, Inc.
//                           All Rights Reserved.
//
//  $Author: mhahn $
//  $Revision: 1.20 $
//  $Date: 2005/01/04 03:26:13 $
//  $State: Exp $
// *****************************************************************************
// *****************************************************************************



#include "oaLefDef.h"

BEGIN_LEFDEF_NAMESPACE



// *****************************************************************************
// DefInTrack::DefInTrack()
// DefInTrack::~DefInTrack()
//
// This is the constructor for the DefInTrack class.
// *****************************************************************************
DefInTrack::DefInTrack(DefIn	    &translator)
:   defIn(translator)
{
    translator.defInTrack = this;
}

DefInTrack::~DefInTrack()
{
}



// *****************************************************************************
// DefInTrack::parse()
//
// This function is called for each "TRACKS" DEF construct.
// It creates one or several (when several layers) trackPattern object(s)
// in the DEF design.
// (Unlike G1 Def reader, we don't check whether an identical track already
// exists in the design but we check 'numTracks' and 'space' arguments are
// legal.)
// *****************************************************************************
void
DefInTrack::parse(defiTrack *data)
{
    defTrack = data;
    
    oaBoolean	isHorizontal = true;
    
    if (!strcmp(defTrack->macro(), "Y")) {
	isHorizontal = false;
    }

    // Check numTracks is legal (> 0)
    oaUInt4 numTracks = oaRound(defTrack->xNum());
    
    // Layers
    if (defTrack->numLayers()) {
	for (int i = 0; i < defTrack->numLayers(); i++) {
	    oaTrackPattern::create(defIn.topBlock(), isHorizontal,
				   defIn.scaleToDBU((defTrack->x())), numTracks,
				   defIn.scaleToDBU(defTrack->xStep()),
				   defIn.getLayerNum(defTrack->layer(i)));
	}
    } else {
	oaTrackPattern::create(defIn.topBlock(), isHorizontal,
			       defIn.scaleToDBU(defTrack->x()), numTracks,
			       defIn.scaleToDBU(defTrack->xStep()));
    }
}


END_LEFDEF_NAMESPACE