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/**CFile****************************************************************
FileName [nmApi.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Name manager.]
Synopsis [APIs of the name manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: nmApi.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "nmInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Allocates the name manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Nm_Man_t * Nm_ManCreate( int nSize )
{
Nm_Man_t * p;
// allocate the table
p = ABC_ALLOC( Nm_Man_t, 1 );
memset( p, 0, sizeof(Nm_Man_t) );
// set the parameters
p->nSizeFactor = 2; // determined the limit on the grow of data before the table resizes
p->nGrowthFactor = 3; // determined how much the table grows after resizing
// allocate and clean the bins
p->nBins = Cudd_PrimeNm(nSize);
p->pBinsI2N = ABC_ALLOC( Nm_Entry_t *, p->nBins );
p->pBinsN2I = ABC_ALLOC( Nm_Entry_t *, p->nBins );
memset( p->pBinsI2N, 0, sizeof(Nm_Entry_t *) * p->nBins );
memset( p->pBinsN2I, 0, sizeof(Nm_Entry_t *) * p->nBins );
// start the memory manager
p->pMem = Extra_MmFlexStart();
return p;
}
/**Function*************************************************************
Synopsis [Deallocates the name manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nm_ManFree( Nm_Man_t * p )
{
Extra_MmFlexStop( p->pMem );
ABC_FREE( p->pBinsI2N );
ABC_FREE( p->pBinsN2I );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Returns the number of objects with names.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Nm_ManNumEntries( Nm_Man_t * p )
{
return p->nEntries;
}
/**Function*************************************************************
Synopsis [Creates a new entry in the name manager.]
Description [Returns 1 if the entry with the given object ID
already exists in the name manager.]
SideEffects []
SeeAlso []
***********************************************************************/
char * Nm_ManStoreIdName( Nm_Man_t * p, int ObjId, int Type, char * pName, char * pSuffix )
{
Nm_Entry_t * pEntry;
int RetValue, nEntrySize;
// check if the object with this ID is already stored
if ( (pEntry = Nm_ManTableLookupId(p, ObjId)) )
{
printf( "Nm_ManStoreIdName(): Entry with the same ID already exists.\n" );
return NULL;
}
// create a new entry
nEntrySize = sizeof(Nm_Entry_t) + strlen(pName) + (pSuffix?strlen(pSuffix):0) + 1;
// nEntrySize = (nEntrySize / 4 + ((nEntrySize % 4) > 0)) * 4;
nEntrySize = (nEntrySize / sizeof(char*) + ((nEntrySize % sizeof(char*)) > 0)) * sizeof(char*); // added by Saurabh on Sep 3, 2009
pEntry = (Nm_Entry_t *)Extra_MmFlexEntryFetch( p->pMem, nEntrySize );
pEntry->pNextI2N = pEntry->pNextN2I = pEntry->pNameSake = NULL;
pEntry->ObjId = ObjId;
pEntry->Type = Type;
sprintf( pEntry->Name, "%s%s", pName, pSuffix? pSuffix : "" );
// add the entry to the hash table
RetValue = Nm_ManTableAdd( p, pEntry );
assert( RetValue == 1 );
return pEntry->Name;
}
/**Function*************************************************************
Synopsis [Creates a new entry in the name manager.]
Description [Returns 1 if the entry with the given object ID
already exists in the name manager.]
SideEffects []
SeeAlso []
***********************************************************************/
void Nm_ManDeleteIdName( Nm_Man_t * p, int ObjId )
{
Nm_Entry_t * pEntry;
pEntry = Nm_ManTableLookupId(p, ObjId);
if ( pEntry == NULL )
{
printf( "Nm_ManDeleteIdName(): This entry is not in the table.\n" );
return;
}
// remove entry from the table
Nm_ManTableDelete( p, ObjId );
}
/**Function*************************************************************
Synopsis [Finds a unique name for the node.]
Description [If the name exists, tries appending numbers to it until
it becomes unique. The name is not added to the table.]
SideEffects []
SeeAlso []
***********************************************************************/
char * Nm_ManCreateUniqueName( Nm_Man_t * p, int ObjId )
{
static char NameStr[1000];
Nm_Entry_t * pEntry;
int i;
if ( (pEntry = Nm_ManTableLookupId(p, ObjId)) )
return pEntry->Name;
sprintf( NameStr, "n%d", ObjId );
for ( i = 1; Nm_ManTableLookupName(p, NameStr, -1); i++ )
sprintf( NameStr, "n%d_%d", ObjId, i );
return NameStr;
}
/**Function*************************************************************
Synopsis [Returns name of the object if the ID is known.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Nm_ManFindNameById( Nm_Man_t * p, int ObjId )
{
Nm_Entry_t * pEntry;
if ( (pEntry = Nm_ManTableLookupId(p, ObjId)) )
return pEntry->Name;
return NULL;
}
/**Function*************************************************************
Synopsis [Returns ID of the object if its name is known.]
Description [This procedure may return two IDs because POs and latches
may have the same name (the only allowed case of name duplication).]
SideEffects []
SeeAlso []
***********************************************************************/
int Nm_ManFindIdByName( Nm_Man_t * p, char * pName, int Type )
{
Nm_Entry_t * pEntry;
if ( (pEntry = Nm_ManTableLookupName(p, pName, Type)) )
return pEntry->ObjId;
return -1;
}
/**Function*************************************************************
Synopsis [Returns ID of the object if its name is known.]
Description [This procedure may return two IDs because POs and latches
may have the same name (the only allowed case of name duplication).]
SideEffects []
SeeAlso []
***********************************************************************/
int Nm_ManFindIdByNameTwoTypes( Nm_Man_t * p, char * pName, int Type1, int Type2 )
{
int iNodeId;
iNodeId = Nm_ManFindIdByName( p, pName, Type1 );
if ( iNodeId == -1 )
iNodeId = Nm_ManFindIdByName( p, pName, Type2 );
if ( iNodeId == -1 )
return -1;
return iNodeId;
}
/**Function*************************************************************
Synopsis [Return the IDs of objects with names.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Nm_ManReturnNameIds( Nm_Man_t * p )
{
Vec_Int_t * vNameIds;
int i;
vNameIds = Vec_IntAlloc( p->nEntries );
for ( i = 0; i < p->nBins; i++ )
if ( p->pBinsI2N[i] )
Vec_IntPush( vNameIds, p->pBinsI2N[i]->ObjId );
return vNameIds;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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