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/**CFile****************************************************************
FileName [ntlCheck.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Netlist representation.]
Synopsis [Checks consistency of the netlist.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ntlCheck.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "ntl.h"
#include "aig.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Checks one model.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntl_ModelCheck( Ntl_Mod_t * pModel )
{
Ntl_Obj_t * pObj;
Ntl_Net_t * pNet;
int i, k, fStatus = 1;
Ntl_ModelForEachNet( pModel, pNet, i )
{
if ( pNet->pName == NULL )
{
printf( "Net in bin %d does not have a name\n", i );
fStatus = 0;
}
if ( pNet->pDriver == NULL )
{
printf( "Net %s does not have a driver\n", pNet->pName );
fStatus = 0;
}
}
Ntl_ModelForEachObj( pModel, pObj, i )
{
Ntl_ObjForEachFanin( pObj, pNet, k )
if ( pNet == NULL )
{
printf( "Object %d does not have fanin net %d\n", i, k );
fStatus = 0;
}
Ntl_ObjForEachFanout( pObj, pNet, k )
if ( pNet == NULL )
{
printf( "Object %d does not have fanout net %d\n", i, k );
fStatus = 0;
}
}
return fStatus;
}
/**Function*************************************************************
Synopsis [Checks the netlist.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntl_ManCheck( Ntl_Man_t * pMan )
{
Ntl_Mod_t * pMod1, * pMod2;
int i, k, fStatus = 1;
// check that the models have unique names
Ntl_ManForEachModel( pMan, pMod1, i )
{
if ( pMod1->pName == NULL )
{
printf( "Model %d does not have a name\n", i );
fStatus = 0;
}
Ntl_ManForEachModel( pMan, pMod2, k )
{
if ( i >= k )
continue;
if ( strcmp(pMod1->pName, pMod2->pName) == 0 )
{
printf( "Models %d and %d have the same name (%s).\n", i, k, pMod1->pName );
fStatus = 0;
}
}
}
// check that the models (except the first one) do not have boxes
Ntl_ManForEachModel( pMan, pMod1, i )
{
if ( i == 0 )
continue;
if ( Ntl_ModelBoxNum(pMod1) > 0 )
{
printf( "Non-root model %d (%s) has %d boxes.\n", i, pMod1->pName, Ntl_ModelBoxNum(pMod1) );
fStatus = 0;
}
}
// check models
Ntl_ManForEachModel( pMan, pMod1, i )
if ( !Ntl_ModelCheck( pMod1 ) )
fStatus = 0;
return fStatus;
}
/**Function*************************************************************
Synopsis [Fixed problems with non-driven nets in the model.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ntl_ModelFixNonDrivenNets( Ntl_Mod_t * pModel )
{
Vec_Ptr_t * vNets;
Ntl_Net_t * pNet;
Ntl_Obj_t * pNode;
int i;
if ( Ntl_ModelIsBlackBox(pModel) )
return;
// check for non-driven nets
vNets = Vec_PtrAlloc( 100 );
Ntl_ModelForEachNet( pModel, pNet, i )
{
if ( pNet->pDriver != NULL )
continue;
// add the constant 0 driver
pNode = Ntl_ModelCreateNode( pModel, 0 );
pNode->pSop = Ntl_ManStoreSop( pModel->pMan, " 0\n" );
Ntl_ModelSetNetDriver( pNode, pNet );
// add the net to those for which the warning will be printed
Vec_PtrPush( vNets, pNet );
}
// print the warning
if ( Vec_PtrSize(vNets) > 0 )
{
printf( "Warning: Constant-0 drivers added to %d non-driven nets in network \"%s\":\n", Vec_PtrSize(vNets), pModel->pName );
Vec_PtrForEachEntry( vNets, pNet, i )
{
printf( "%s%s", (i? ", ": ""), pNet->pName );
if ( i == 3 )
{
if ( Vec_PtrSize(vNets) > 3 )
printf( " ..." );
break;
}
}
printf( "\n" );
}
Vec_PtrFree( vNets );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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