oalefinsite.cpp

openaccess读def,lef文件所用的源代码

// *****************************************************************************
// *****************************************************************************
// LefInSite.cpp
//
// Functions to handle LEF SITE constructs for the 'lef2gn' 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: 1.34 $
//  $Date: 2005/01/04 03:26:23 $
//  $State: Exp $
// *****************************************************************************
// *****************************************************************************



#include "oaLefDef.h"

BEGIN_LEFDEF_NAMESPACE



// *****************************************************************************
// LefInSite::LefInSite()
// LefInSite::~LefInSite()
//
// This is the constructor for the LefInSite class. 
// *****************************************************************************
LefInSite::LefInSite(LefIn	&translator)
:   siteDefType(oacCoreSiteDefType),
    siteDef(NULL),
    lefSite(NULL),
    lefIn(translator)
{
    translator.lefInSite = this;
}

LefInSite::~LefInSite()
{
}



// *****************************************************************************
// LefInSite::parse()
//
// This function handles the 'SITE' LEF construct.
// Creates a new siteDef object in the techDB.
// If the specified site already exists, it will be overwritten in techDB.
// *****************************************************************************
void
LefInSite::parse(lefiSite   *data)
{
    lefSite = data;

    parseClass();

    siteDef = oaSiteDef::find(lefIn.tech(), lefSite->name());
    if (siteDef) {
	siteDef->setType(siteDefType);
	return;
    }

    if (lefSite->hasRowPattern()) {
	createArraySite();
    } else {
	createSite();
    }

    parseSymmetry();
}



    
// *****************************************************************************
// LefInSite::parseClass()
//
// This function handles site CLASS attribute
// *****************************************************************************
void
LefInSite::parseClass()
{
    siteDefType = oacCoreSiteDefType;
    if (!strcmp(lefSite->siteClass(), "PAD")) {
	siteDefType = oacPadSiteDefType;
    }
}


    
// *****************************************************************************
// LefInSite::parseSymmetry()
//
// This function handles site SYMMETRY attribute
// *****************************************************************************
void
LefInSite::parseSymmetry()
{
    if (lefSite->hasXSymmetry()) {
	siteDef->setSymmetricInX(true);
    }

    if (lefSite->hasYSymmetry()) {
	siteDef->setSymmetricInY(true);
    }

    if (lefSite->has90Symmetry()) {
	siteDef->setSymmetricInRot(true);
    }
}


    
// *****************************************************************************
// LefInSite::createSite()
//
// This function creates the oaSiteDef for this LEF site.
// *****************************************************************************
void
LefInSite::createSite()
{
    siteDef = oaScalarSiteDef::create(lefIn.tech(), lefSite->name(),
				      siteDefType,
				      lefIn.uuToDBU(lefSite->sizeX()),
				      lefIn.uuToDBU(lefSite->sizeY()));
}



// *****************************************************************************
// LefInSite::createArraySite()
//
// This function creates an oaArraySiteDef for this LEF site.
// *****************************************************************************
void
LefInSite::createArraySite()
{
    oaSitePattern   pattern;
    oaTransform	    xform(0, 0);

    for (int i = 0; i < lefSite->numSites(); i++) {
	oaSiteDef   *site = oaSiteDef::find(lefIn.tech(), lefSite->siteName(i));

	if (!site) {
	    throw LefDefError(cSiteNotFound, lefSite->name(), lefSite->siteName(i));
	}

	oaBox	    box(0, 0, site->getWidth(), site->getHeight());
	oaOrient    orient = lefIn.getOrient(lefSite->siteOrient(i));
	oaSiteRef   siteRef;

	box.transform(oaTransform(orient));

	siteRef.siteName() = lefSite->siteName(i);
	siteRef.transform() = xform;
	siteRef.transform().orient() = orient;
	siteRef.transform().xOffset() -= box.left();
	siteRef.transform().yOffset() -= box.bottom();
	pattern.append(siteRef);

	xform.xOffset() += box.getWidth();
    }

    siteDef = oaArraySiteDef::create(lefIn.tech(), lefSite->name(), siteDefType, pattern);

}



END_LEFDEF_NAMESPACE