oadefinrow.cpp

openaccess读def,lef文件所用的源代码

// *****************************************************************************
// *****************************************************************************
// DefInRow.cpp
//
// Functions to handle DEF ROW 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: nitters $
//  $Revision: 1.27 $
//  $Date: 2005/07/29 13:42:23 $
//  $State: Exp $
// *****************************************************************************
// *****************************************************************************



#include "oaLefDef.h"

BEGIN_LEFDEF_NAMESPACE



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

DefInRow::~DefInRow()
{
}



// *****************************************************************************
// DefInRow::parse()
//
// This function is called for each "ROW" DEF construct.
// This creates one row object in the DEF design.
// *****************************************************************************
void
DefInRow::parse(defiRow  *data)
{
    defRow = data;

    oaInt4  origX   = defIn.scaleToDBU(defRow->x());
    oaInt4  origY   = defIn.scaleToDBU(defRow->y());
    oaUInt4 spaceX  = defIn.scaleToDBU(defRow->xStep());
    oaUInt4 spaceY  = defIn.scaleToDBU(defRow->yStep());
    oaUInt4 numX    = oaRound(defRow->xNum());
    oaUInt4 numY    = oaRound(defRow->yNum());

    // Check site exists in tech
    oaSiteDef	*siteDef = oaSiteDef::find(defIn.tech(), defRow->macro());

    if (!siteDef) {
        throw LefDefError(cRowCannotFindSiteDef, defRow->name(), defRow->macro());
    }

    oaUInt4	siteWidth   = siteDef->getWidth();
    oaUInt4	siteHeight  = siteDef->getHeight();
    oaBox	siteBBox    = oaBox(0, 0, siteWidth, siteHeight);
    oaOrient    siteOrient  = defIn.getOrient(defRow->orient());
    
    siteBBox.transform(oaTransform(siteOrient));

    oaInt4	siteSpacing = 0;
    oaUInt4	numSites = 0;
    oaOrient	rowOrient(oacR0); // default is horizontal row

    // Row direction
    if (numX > 1 && numY == 1 || (numX == 1 && numY == 1)) {
	// horizontal row
	numSites = numX;
	siteSpacing = spaceX - siteBBox.getWidth();

   } else {
	// vertical row
	rowOrient = oacR90;
	numSites = numY;
	siteSpacing = spaceY - siteBBox.getHeight();

	// Since in OA the site orient and row orient are concatenated,
	// the site orientation needs to be transformed -90 degrees.
	int defOrient = defRow->orient();
	switch (defOrient) {
	  case 0:
	    siteOrient = oacR270;
	    origX += siteWidth;
	    break;
	  case 1:
	    siteOrient = oacR0;
	    origX += siteHeight;
	    break;
	  case 2:
	    siteOrient = oacR90;
	    origX += siteWidth;
	    break;
	  case 3:
	    siteOrient = oacR180;
	    origX += siteHeight;
	    break;
	  case 4:
	    siteOrient = oacMXR90;
	    origX += siteWidth;
	    break;
	  case 5:
	    siteOrient = oacMX;
	    origX += siteHeight;
	    break;
	  case 6:
	    siteOrient = oacMYR90;
	    origX += siteWidth;
	    break;
	  case 7:
	    siteOrient = oacMY;
	    origX += siteHeight;
	    break;
	}
    }
    

    if (siteSpacing < 0) {
	throw LefDefError(cRowInvalidStep, defRow->name());
    }

    // Row creation
    oaRow   *row = oaRow::create(defIn.design()->getTopBlock(), siteDef,
				 defRow->name(), oaPoint(origX, origY),
				 rowOrient, numSites, siteOrient, siteSpacing);

    // User properties
    LefDefProp    *propDef;

    for (int i = 0; i < defRow->numProps(); i++) {
	propDef = defIn.getProp(defRow->propName(i), cLefDefRow);
	defIn.createProp(propDef, row, oaString(defRow->propValue(i)));
    }
}


END_LEFDEF_NAMESPACE