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abc/src/aig/ntl/ntlObj.c

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/**CFile****************************************************************
FileName [.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Netlist representation.]
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: .c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "ntl.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates the primary input.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreatePi( Ntl_Mod_t * pModel )
{
Ntl_Obj_t * p;
p = (Ntl_Obj_t *)Aig_MmFlexEntryFetch( pModel->pMan->pMemObjs, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) );
memset( p, 0, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) );
p->Id = Vec_PtrSize( pModel->vObjs );
Vec_PtrPush( pModel->vObjs, p );
Vec_PtrPush( pModel->vPis, p );
p->pModel = pModel;
p->Type = NTL_OBJ_PI;
p->nFanins = 0;
p->nFanouts = 1;
pModel->nObjs[NTL_OBJ_PI]++;
return p;
}
/**Function*************************************************************
Synopsis [Creates the primary output.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreatePo( Ntl_Mod_t * pModel, Ntl_Net_t * pNet )
{
Ntl_Obj_t * p;
p = (Ntl_Obj_t *)Aig_MmFlexEntryFetch( pModel->pMan->pMemObjs, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) );
memset( p, 0, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) );
p->Id = Vec_PtrSize( pModel->vObjs );
Vec_PtrPush( pModel->vObjs, p );
Vec_PtrPush( pModel->vPos, p );
p->pModel = pModel;
p->Type = NTL_OBJ_PO;
p->nFanins = 1;
p->nFanouts = 0;
p->pFanio[0] = pNet;
pModel->nObjs[NTL_OBJ_PO]++;
return p;
}
/**Function*************************************************************
Synopsis [Creates the primary output.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreateLatch( Ntl_Mod_t * pModel )
{
Ntl_Obj_t * p;
p = (Ntl_Obj_t *)Aig_MmFlexEntryFetch( pModel->pMan->pMemObjs, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * 3 );
memset( p, 0, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * 3 );
p->Id = Vec_PtrSize( pModel->vObjs );
Vec_PtrPush( pModel->vObjs, p );
p->pModel = pModel;
p->Type = NTL_OBJ_LATCH;
p->nFanins = 1;
p->nFanouts = 1;
pModel->nObjs[NTL_OBJ_LATCH]++;
return p;
}
/**Function*************************************************************
Synopsis [Creates the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreateNode( Ntl_Mod_t * pModel, int nFanins )
{
Ntl_Obj_t * p;
p = (Ntl_Obj_t *)Aig_MmFlexEntryFetch( pModel->pMan->pMemObjs, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * (nFanins + 1) );
memset( p, 0, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * (nFanins + 1) );
p->Id = Vec_PtrSize( pModel->vObjs );
Vec_PtrPush( pModel->vObjs, p );
p->pModel = pModel;
p->Type = NTL_OBJ_NODE;
p->nFanins = nFanins;
p->nFanouts = 1;
if ( nFanins == 1 )
pModel->nObjs[NTL_OBJ_LUT1]++;
else
pModel->nObjs[NTL_OBJ_NODE]++;
return p;
}
/**Function*************************************************************
Synopsis [Create the latch.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreateBox( Ntl_Mod_t * pModel, int nFanins, int nFanouts )
{
Ntl_Obj_t * p;
p = (Ntl_Obj_t *)Aig_MmFlexEntryFetch( pModel->pMan->pMemObjs, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * (nFanins + nFanouts) );
memset( p, 0, sizeof(Ntl_Obj_t) + sizeof(Ntl_Net_t *) * (nFanins + nFanouts) );
p->Id = Vec_PtrSize( pModel->vObjs );
Vec_PtrPush( pModel->vObjs, p );
p->pModel = pModel;
p->Type = NTL_OBJ_BOX;
p->nFanins = nFanins;
p->nFanouts = nFanouts;
pModel->nObjs[NTL_OBJ_BOX]++;
return p;
}
/**Function*************************************************************
Synopsis [Create the latch.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelDupObj( Ntl_Mod_t * pModel, Ntl_Obj_t * pOld )
{
Ntl_Obj_t * pNew = NULL; // Supprses "might be used uninitialized"
if ( Ntl_ObjIsPi( pOld ) )
pNew = Ntl_ModelCreatePi( pModel );
else if ( Ntl_ObjIsPo( pOld ) )
pNew = Ntl_ModelCreatePo( pModel, NULL );
else if ( Ntl_ObjIsLatch( pOld ) )
pNew = Ntl_ModelCreateLatch( pModel );
else if ( Ntl_ObjIsNode( pOld ) )
pNew = Ntl_ModelCreateNode( pModel, Ntl_ObjFaninNum(pOld) );
else if ( Ntl_ObjIsBox( pOld ) )
pNew = Ntl_ModelCreateBox( pModel, Ntl_ObjFaninNum(pOld), Ntl_ObjFanoutNum(pOld) );
return pNew;
}
/**Function*************************************************************
Synopsis [Creates the primary input with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Ntl_Obj_t * Ntl_ModelCreatePiWithName( Ntl_Mod_t * pModel, char * pName )
{
Ntl_Obj_t * pObj;
Ntl_Net_t * pNet;
pNet = Ntl_ModelFindOrCreateNet( pModel, pName );
if ( pNet->pDriver )
return NULL;
pObj = Ntl_ModelCreatePi( pModel );
Ntl_ModelSetNetDriver( pObj, pNet );
return pObj;
}
/**Function*************************************************************
Synopsis [Allocates memory and copies the name into it.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Ntl_ManStoreName( Ntl_Man_t * p, char * pName )
{
char * pStore;
pStore = Aig_MmFlexEntryFetch( p->pMemObjs, strlen(pName) + 1 );
strcpy( pStore, pName );
return pStore;
}
/**Function*************************************************************
Synopsis [Allocates memory and copies the SOP into it.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Ntl_ManStoreSop( Aig_MmFlex_t * pMan, char * pSop )
{
char * pStore;
pStore = Aig_MmFlexEntryFetch( pMan, strlen(pSop) + 1 );
strcpy( pStore, pSop );
return pStore;
}
/**Function*************************************************************
Synopsis [Allocates memory and copies the root of file name there.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Ntl_ManStoreFileName( Ntl_Man_t * p, char * pFileName )
{
char * pBeg, * pEnd, * pStore, * pCur;
// find the first dot
for ( pEnd = pFileName; *pEnd; pEnd++ )
if ( *pEnd == '.' )
break;
// find the first char
for ( pBeg = pEnd - 1; pBeg >= pFileName; pBeg-- )
if ( !((*pBeg >= 'a' && *pBeg <= 'z') || (*pBeg >= 'A' && *pBeg <= 'Z') || (*pBeg >= '0' && *pBeg <= '9') || *pBeg == '_') )
break;
pBeg++;
// fill up storage
pStore = Aig_MmFlexEntryFetch( p->pMemSops, pEnd - pBeg + 1 );
for ( pCur = pStore; pBeg < pEnd; pBeg++, pCur++ )
*pCur = *pBeg;
*pCur = 0;
return pStore;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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