Abc_Ntk_t * Abc_NtkDarUnfold2( Abc_Ntk_t * pNtk, int nFrames, int nConfs, int nProps, int fStruct, int fOldAlgo, int fVerbose ) { Abc_Ntk_t * pNtkAig; Aig_Man_t * pMan, * pTemp; int typeII_cnt = 0; assert( Abc_NtkIsStrash(pNtk) ); pMan = Abc_NtkToDar( pNtk, 0, 1 ); if ( pMan == NULL ) return NULL; if ( fStruct ){ assert(0);//pMan = Saig_ManDupUnfoldConstrs( pTemp = pMan ); }else pMan = Saig_ManDupUnfoldConstrsFunc2( pTemp = pMan, nFrames, nConfs, nProps, fOldAlgo, fVerbose , &typeII_cnt); Aig_ManStop( pTemp ); if ( pMan == NULL ) return NULL; // typeII_cnt = pMan->nConstrsTypeII; pNtkAig = Abc_NtkFromAigPhase( pMan ); pNtkAig->pName = Extra_UtilStrsav(pMan->pName); pNtkAig->pSpec = Extra_UtilStrsav(pMan->pSpec); Aig_ManStop( pMan ); return pNtkAig;//Abc_NtkDarFold2(pNtkAig, 0, fVerbose, typeII_cnt); //return pNtkAig; }
/**Function************************************************************* Synopsis [Writes reached state BDD into a BLIF file.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Llb_ManDumpReached( DdManager * ddG, DdNode * bReached, char * pModel, char * pFileName ) { FILE * pFile; Vec_Ptr_t * vNamesIn, * vNamesOut; char * pName; int i, nDigits; // reorder the BDD Cudd_ReduceHeap( ddG, CUDD_REORDER_SYMM_SIFT, 1 ); // create input names nDigits = Extra_Base10Log( Cudd_ReadSize(ddG) ); vNamesIn = Vec_PtrAlloc( Cudd_ReadSize(ddG) ); for ( i = 0; i < Cudd_ReadSize(ddG); i++ ) { pName = Llb_ManGetDummyName( "ff", i, nDigits ); Vec_PtrPush( vNamesIn, Extra_UtilStrsav(pName) ); } // create output names vNamesOut = Vec_PtrAlloc( 1 ); Vec_PtrPush( vNamesOut, Extra_UtilStrsav("Reached") ); // write the file pFile = fopen( pFileName, "wb" ); Cudd_DumpBlif( ddG, 1, &bReached, (char **)Vec_PtrArray(vNamesIn), (char **)Vec_PtrArray(vNamesOut), pModel, pFile, 0 ); fclose( pFile ); // cleanup Vec_PtrForEachEntry( char *, vNamesIn, pName, i ) ABC_FREE( pName ); Vec_PtrForEachEntry( char *, vNamesOut, pName, i ) ABC_FREE( pName ); Vec_PtrFree( vNamesIn ); Vec_PtrFree( vNamesOut ); }
/**Function************************************************************* Synopsis [Gets the tokens taking into account the line breaks.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Vec_Ptr_t * Io_ReadBlifGetTokens( Io_ReadBlif_t * p ) { Vec_Ptr_t * vTokens; char * pLastToken; int i; // get rid of the old tokens if ( p->vNewTokens->nSize > 0 ) { for ( i = 0; i < p->vNewTokens->nSize; i++ ) ABC_FREE( p->vNewTokens->pArray[i] ); p->vNewTokens->nSize = 0; } // get the new tokens vTokens = (Vec_Ptr_t *)Extra_FileReaderGetTokens(p->pReader); if ( vTokens == NULL ) return vTokens; // check if there is a transfer to another line pLastToken = (char *)vTokens->pArray[vTokens->nSize - 1]; if ( pLastToken[ strlen(pLastToken)-1 ] != '\\' ) return vTokens; // remove the slash pLastToken[ strlen(pLastToken)-1 ] = 0; if ( pLastToken[0] == 0 ) vTokens->nSize--; // load them into the new array for ( i = 0; i < vTokens->nSize; i++ ) Vec_PtrPush( p->vNewTokens, Extra_UtilStrsav((char *)vTokens->pArray[i]) ); // load as long as there is the line break while ( 1 ) { // get the new tokens vTokens = (Vec_Ptr_t *)Extra_FileReaderGetTokens(p->pReader); if ( vTokens->nSize == 0 ) return p->vNewTokens; // check if there is a transfer to another line pLastToken = (char *)vTokens->pArray[vTokens->nSize - 1]; if ( pLastToken[ strlen(pLastToken)-1 ] == '\\' ) { // remove the slash pLastToken[ strlen(pLastToken)-1 ] = 0; if ( pLastToken[0] == 0 ) vTokens->nSize--; // load them into the new array for ( i = 0; i < vTokens->nSize; i++ ) Vec_PtrPush( p->vNewTokens, Extra_UtilStrsav((char *)vTokens->pArray[i]) ); continue; } // otherwise, load them and break for ( i = 0; i < vTokens->nSize; i++ ) Vec_PtrPush( p->vNewTokens, Extra_UtilStrsav((char *)vTokens->pArray[i]) ); break; } return p->vNewTokens; }
ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [Converts old ABC network into new ABC network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Nwk_Man_t * Abc_NtkToNtkNew( Abc_Ntk_t * pNtk ) { Vec_Ptr_t * vNodes; Nwk_Man_t * pNtkNew; Nwk_Obj_t * pObjNew; Abc_Obj_t * pObj, * pFanin; int i, k; if ( !Abc_NtkIsLogic(pNtk) ) { fprintf( stdout, "This is not a logic network.\n" ); return 0; } // convert into the AIG if ( !Abc_NtkToAig(pNtk) ) { fprintf( stdout, "Converting to AIGs has failed.\n" ); return 0; } assert( Abc_NtkHasAig(pNtk) ); // construct the network pNtkNew = Nwk_ManAlloc(); pNtkNew->pName = Extra_UtilStrsav( pNtk->pName ); pNtkNew->pSpec = Extra_UtilStrsav( pNtk->pSpec ); Abc_NtkForEachCi( pNtk, pObj, i ) pObj->pCopy = (Abc_Obj_t *)Nwk_ManCreateCi( pNtkNew, Abc_ObjFanoutNum(pObj) ); vNodes = Abc_NtkDfs( pNtk, 1 ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i ) { pObjNew = Nwk_ManCreateNode( pNtkNew, Abc_ObjFaninNum(pObj), Abc_ObjFanoutNum(pObj) ); Abc_ObjForEachFanin( pObj, pFanin, k ) Nwk_ObjAddFanin( pObjNew, (Nwk_Obj_t *)pFanin->pCopy ); pObjNew->pFunc = Hop_Transfer( (Hop_Man_t *)pNtk->pManFunc, pNtkNew->pManHop, (Hop_Obj_t *)pObj->pData, Abc_ObjFaninNum(pObj) ); pObj->pCopy = (Abc_Obj_t *)pObjNew; }
/**Function******************************************************************** Synopsis [Updates a set value by calling instead of set command.] Description [Updates a set value by calling instead of set command.] SideEffects [] ******************************************************************************/ void Cmd_FlagUpdateValue( Abc_Frame_t * pAbc, char * key, char * value ) { char * oldValue, * newValue; if ( !key ) return; if ( value ) newValue = Extra_UtilStrsav(value); else newValue = Extra_UtilStrsav(""); // newValue = NULL; if ( st_delete(pAbc->tFlags, &key, &oldValue) ) FREE(oldValue); st_insert( pAbc->tFlags, key, newValue ); }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void CmdCommandAliasAdd( Abc_Frame_t * pAbc, char * sName, int argc, char ** argv ) { Abc_Alias * pAlias; int fStatus, i; pAlias = ALLOC(Abc_Alias, 1); pAlias->sName = Extra_UtilStrsav(sName); pAlias->argc = argc; pAlias->argv = ALLOC(char *, pAlias->argc); for(i = 0; i < argc; i++) pAlias->argv[i] = Extra_UtilStrsav(argv[i]); fStatus = st_insert( pAbc->tAliases, pAlias->sName, (char *) pAlias ); assert(!fStatus); }
/**Function************************************************************* Synopsis [Converts combinational AIG with latches into sequential AIG.] Description [The const/PI/PO nodes are duplicated. The internal nodes are duplicated in the topological order. The dangling nodes are not duplicated. The choice nodes are duplicated.] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkAigToSeq( Abc_Ntk_t * pNtk ) { Abc_Ntk_t * pNtkNew; Abc_Obj_t * pObj, * pFaninNew; Vec_Int_t * vInitValues; Abc_InitType_t Init; int i, k, RetValue; // make sure it is an AIG without self-feeding latches assert( Abc_NtkIsStrash(pNtk) ); assert( Abc_NtkIsDfsOrdered(pNtk) ); if ( RetValue = Abc_NtkRemoveSelfFeedLatches(pNtk) ) printf( "Modified %d self-feeding latches. The result will not verify.\n", RetValue ); assert( Abc_NtkCountSelfFeedLatches(pNtk) == 0 ); // start the network pNtkNew = Abc_NtkAlloc( ABC_NTK_SEQ, ABC_FUNC_AIG, 1 ); // duplicate the name and the spec pNtkNew->pName = Extra_UtilStrsav(pNtk->pName); pNtkNew->pSpec = Extra_UtilStrsav(pNtk->pSpec); // map the constant nodes Abc_NtkCleanCopy( pNtk ); Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pNtkNew); // copy all objects, except the latches and constant Vec_PtrFill( pNtkNew->vObjs, Abc_NtkObjNumMax(pNtk), NULL ); Vec_PtrWriteEntry( pNtkNew->vObjs, 0, Abc_AigConst1(pNtk)->pCopy ); Abc_NtkForEachObj( pNtk, pObj, i ) { if ( i == 0 || Abc_ObjIsLatch(pObj) ) continue; pObj->pCopy = Abc_ObjAlloc( pNtkNew, pObj->Type ); pObj->pCopy->Id = pObj->Id; // the ID is the same for both pObj->pCopy->fPhase = pObj->fPhase; // used to work with choices pObj->pCopy->Level = pObj->Level; // used for upper bound on clock cycle Vec_PtrWriteEntry( pNtkNew->vObjs, pObj->pCopy->Id, pObj->pCopy ); pNtkNew->nObjs++; } pNtkNew->nObjCounts[ABC_OBJ_NODE] = pNtk->nObjCounts[ABC_OBJ_NODE]; // create PI/PO and their names Abc_NtkForEachPi( pNtk, pObj, i ) { Vec_PtrPush( pNtkNew->vPis, pObj->pCopy ); Vec_PtrPush( pNtkNew->vCis, pObj->pCopy ); Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(pObj), NULL ); }
/**Function************************************************************* Synopsis [Derives the miter of two sequential networks.] Description [Assumes that the networks are strashed.] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkMiterInt( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fComb, int nPartSize, int fImplic, int fMulti ) { char Buffer[1000]; Abc_Ntk_t * pNtkMiter; assert( Abc_NtkIsStrash(pNtk1) ); assert( Abc_NtkIsStrash(pNtk2) ); // start the new network pNtkMiter = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 ); sprintf( Buffer, "%s_%s_miter", pNtk1->pName, pNtk2->pName ); pNtkMiter->pName = Extra_UtilStrsav(Buffer); // perform strashing Abc_NtkMiterPrepare( pNtk1, pNtk2, pNtkMiter, fComb, nPartSize, fMulti ); Abc_NtkMiterAddOne( pNtk1, pNtkMiter ); Abc_NtkMiterAddOne( pNtk2, pNtkMiter ); Abc_NtkMiterFinalize( pNtk1, pNtk2, pNtkMiter, fComb, nPartSize, fImplic, fMulti ); Abc_AigCleanup((Abc_Aig_t *)pNtkMiter->pManFunc); // make sure that everything is okay if ( !Abc_NtkCheck( pNtkMiter ) ) { printf( "Abc_NtkMiter: The network check has failed.\n" ); Abc_NtkDelete( pNtkMiter ); return NULL; } return pNtkMiter; }
ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Cmd_HistoryAddCommand( Abc_Frame_t * p, const char * command ) { static char Buffer[MAX_STR]; strcpy( Buffer, command ); if ( command[strlen(command)-1] != '\n' ) strcat( Buffer, "\n" ); Vec_PtrPush( p->aHistory, Extra_UtilStrsav(Buffer) ); }
/**Function************************************************************* Synopsis [Creates a multi-input multi-output box in the hierarchical design.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Io_ReadBlifNetworkSubcircuit( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens ) { Abc_Obj_t * pBox; Vec_Ptr_t * vNames; char * pName; int i; // create a new node and add it to the network if ( vTokens->nSize < 3 ) { p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0); sprintf( p->sError, "The .subcircuit line has less than three tokens." ); Io_ReadBlifPrintErrorMessage( p ); return 1; } // store the names of formal/actual inputs/outputs of the box vNames = Vec_PtrAlloc( 10 ); Vec_PtrForEachEntryStart( char *, vTokens, pName, i, 1 ) // Vec_PtrPush( vNames, Abc_NtkRegisterName(p->pNtkCur, pName) ); Vec_PtrPush( vNames, Extra_UtilStrsav(pName) ); // memory leak!!! // create a new box and add it to the network pBox = Abc_NtkCreateBlackbox( p->pNtkCur ); // set the pointer to the node names Abc_ObjSetData( pBox, vNames ); // remember the line of the file pBox->pCopy = (Abc_Obj_t *)(ABC_PTRINT_T)Extra_FileReaderGetLineNumber(p->pReader, 0); return 0; }
/**Function************************************************************* Synopsis [Collect the pin names in the formula.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Mio_GateCollectNames( char * pFormula, char * pPinNames[] ) { char Buffer[1000]; char * pTemp; int nPins, i; // save the formula as it was strcpy( Buffer, pFormula ); // remove the non-name symbols for ( pTemp = Buffer; *pTemp; pTemp++ ) if ( *pTemp == MIO_SYMB_AND || *pTemp == MIO_SYMB_OR || *pTemp == MIO_SYMB_NOT || *pTemp == MIO_SYMB_OPEN || *pTemp == MIO_SYMB_CLOSE || *pTemp == MIO_SYMB_AFTNOT ) *pTemp = ' '; // save the names nPins = 0; pTemp = strtok( Buffer, " " ); while ( pTemp ) { for ( i = 0; i < nPins; i++ ) if ( strcmp( pTemp, pPinNames[i] ) == 0 ) break; if ( i == nPins ) { // cannot find this name; save it pPinNames[nPins++] = Extra_UtilStrsav(pTemp); } // get the next name pTemp = strtok( NULL, " " ); } return nPins; }
/**Function************************************************************* Synopsis [Reads the (hierarchical) network from the BLIF file.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Io_ReadBlif( char * pFileName, int fCheck ) { Io_ReadBlif_t * p; Abc_Ntk_t * pNtk; // start the file p = Io_ReadBlifFile( pFileName ); if ( p == NULL ) return NULL; // read the hierarchical network pNtk = Io_ReadBlifNetwork( p ); if ( pNtk == NULL ) { Io_ReadBlifFree( p ); return NULL; } pNtk->pSpec = Extra_UtilStrsav( pFileName ); Abc_NtkTimeInitialize( pNtk, NULL ); Io_ReadBlifFree( p ); // make sure that everything is okay with the network structure if ( fCheck && !Abc_NtkCheckRead( pNtk ) ) { printf( "Io_ReadBlif: The network check has failed.\n" ); Abc_NtkDelete( pNtk ); return NULL; } return pNtk; }
/**Function************************************************************* Synopsis [Duplicates the LUT library.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Fpga_LutLib_t * Fpga_LutLibDup( Fpga_LutLib_t * p ) { Fpga_LutLib_t * pNew; pNew = ALLOC( Fpga_LutLib_t, 1 ); *pNew = *p; pNew->pName = Extra_UtilStrsav( pNew->pName ); return pNew; }
ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Cmd_CommandAdd( Abc_Frame_t * pAbc, const char * sGroup, const char * sName, Cmd_CommandFuncType pFunc, int fChanges ) { const char * key; char * value; Abc_Command * pCommand; int fStatus; key = sName; if ( st__delete( pAbc->tCommands, &key, &value ) ) { // delete existing definition for this command fprintf( pAbc->Err, "Cmd warning: redefining '%s'\n", sName ); CmdCommandFree( (Abc_Command *)value ); } // create the new command pCommand = ABC_ALLOC( Abc_Command, 1 ); pCommand->sName = Extra_UtilStrsav( sName ); pCommand->sGroup = Extra_UtilStrsav( sGroup ); pCommand->pFunc = pFunc; pCommand->fChange = fChanges; fStatus = st__insert( pAbc->tCommands, pCommand->sName, (char *)pCommand ); assert( !fStatus ); // the command should not be in the table }
/**Function************************************************************* Synopsis [Performs BDD-based reachability analysis.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkDarFold2( Abc_Ntk_t * pNtk, int fCompl, int fVerbose , int typeII_cnt ) { Abc_Ntk_t * pNtkAig; Aig_Man_t * pMan, * pTemp; assert( Abc_NtkIsStrash(pNtk) ); pMan = Abc_NtkToDar( pNtk, 0, 1 ); if ( pMan == NULL ) return NULL; pMan = Saig_ManDupFoldConstrsFunc2( pTemp = pMan, fCompl, fVerbose, typeII_cnt ); Aig_ManStop( pTemp ); pNtkAig = Abc_NtkFromAigPhase( pMan ); pNtkAig->pName = Extra_UtilStrsav(pMan->pName); pNtkAig->pSpec = Extra_UtilStrsav(pMan->pSpec); Aig_ManStop( pMan ); return pNtkAig; }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Wlc_NtkGetInv( Wlc_Ntk_t * pNtk, Vec_Int_t * vInv, Vec_Str_t * vSop, int fVerbose ) { Wlc_Obj_t * pObj; int i, k, nNum, nRange, nBits = 0; Abc_Ntk_t * pMainNtk = NULL; Abc_Obj_t * pMainObj, * pMainTemp; char Buffer[5000]; // start the network pMainNtk = Abc_NtkAlloc( ABC_NTK_LOGIC, ABC_FUNC_SOP, 1 ); // duplicate the name and the spec pMainNtk->pName = Extra_UtilStrsav(pNtk->pName); // create primary inputs Wlc_NtkForEachCi( pNtk, pObj, i ) { if ( pObj->Type != WLC_OBJ_FO ) continue; nRange = Wlc_ObjRange(pObj); for ( k = 0; k < nRange; k++ ) { nNum = Vec_IntEntry(vInv, nBits + k); if ( nNum ) break; } if ( k == nRange ) { nBits += nRange; continue; } //printf( "%s[%d:%d] : ", Wlc_ObjName(pNtk, Wlc_ObjId(pNtk, pObj)), pObj->End, pObj->Beg ); for ( k = 0; k < nRange; k++ ) { nNum = Vec_IntEntry( vInv, nBits + k ); if ( nNum == 0 ) continue; //printf( " [%d] -> %d", k, nNum ); pMainObj = Abc_NtkCreatePi( pMainNtk ); sprintf( Buffer, "%s[%d]", Wlc_ObjName(pNtk, Wlc_ObjId(pNtk, pObj)), k ); Abc_ObjAssignName( pMainObj, Buffer, NULL ); } //printf( "\n"); nBits += nRange; } //printf( "%d %d\n", Vec_IntSize(vInv), nBits ); assert( Vec_IntSize(vInv) == nBits ); // create node pMainObj = Abc_NtkCreateNode( pMainNtk ); Abc_NtkForEachPi( pMainNtk, pMainTemp, i ) Abc_ObjAddFanin( pMainObj, pMainTemp ); pMainObj->pData = Abc_SopRegister( (Mem_Flex_t *)pMainNtk->pManFunc, Vec_StrArray(vSop) ); // create PO pMainTemp = Abc_NtkCreatePo( pMainNtk ); Abc_ObjAddFanin( pMainTemp, pMainObj ); Abc_ObjAssignName( pMainTemp, "inv", NULL ); return pMainNtk; }
/**Function************************************************************* Synopsis [Gets fanin node names.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Vec_Ptr_t * Abc_NodeGetFaninNames( Abc_Obj_t * pNode ) { Vec_Ptr_t * vNodes; Abc_Obj_t * pFanin; int i; vNodes = Vec_PtrAlloc( 100 ); Abc_ObjForEachFanin( pNode, pFanin, i ) Vec_PtrPush( vNodes, Extra_UtilStrsav(Abc_ObjName(pFanin)) ); return vNodes; }
/**Function************************************************************* Synopsis [Constructs the network isomorphic to the given BDD.] Description [Assumes that the BDD depends on the variables whose indexes correspond to the names in the array (pNamesPi). Otherwise, returns NULL. The resulting network comes with one node, whose functionality is equal to the given BDD. To decompose this BDD into the network of multiplexers use Abc_NtkBddToMuxes(). To decompose this BDD into an And-Inverter Graph, use Abc_NtkStrash().] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkDeriveFromBdd( void * dd0, void * bFunc, char * pNamePo, Vec_Ptr_t * vNamesPi ) { DdManager * dd = (DdManager *)dd0; Abc_Ntk_t * pNtk; Vec_Ptr_t * vNamesPiFake = NULL; Abc_Obj_t * pNode, * pNodePi, * pNodePo; DdNode * bSupp, * bTemp; char * pName; int i; // supply fake names if real names are not given if ( pNamePo == NULL ) pNamePo = "F"; if ( vNamesPi == NULL ) { vNamesPiFake = Abc_NodeGetFakeNames( dd->size ); vNamesPi = vNamesPiFake; } // make sure BDD depends on the variables whose index // does not exceed the size of the array with PI names bSupp = Cudd_Support( dd, (DdNode *)bFunc ); Cudd_Ref( bSupp ); for ( bTemp = bSupp; bTemp != Cudd_ReadOne(dd); bTemp = cuddT(bTemp) ) if ( (int)Cudd_NodeReadIndex(bTemp) >= Vec_PtrSize(vNamesPi) ) break; Cudd_RecursiveDeref( dd, bSupp ); if ( bTemp != Cudd_ReadOne(dd) ) return NULL; // start the network pNtk = Abc_NtkAlloc( ABC_NTK_LOGIC, ABC_FUNC_BDD, 1 ); pNtk->pName = Extra_UtilStrsav(pNamePo); // make sure the new manager has enough inputs Cudd_bddIthVar( (DdManager *)pNtk->pManFunc, Vec_PtrSize(vNamesPi) ); // add the PIs corresponding to the names Vec_PtrForEachEntry( char *, vNamesPi, pName, i ) Abc_ObjAssignName( Abc_NtkCreatePi(pNtk), pName, NULL ); // create the node pNode = Abc_NtkCreateNode( pNtk ); pNode->pData = (DdNode *)Cudd_bddTransfer( dd, (DdManager *)pNtk->pManFunc, (DdNode *)bFunc ); Cudd_Ref((DdNode *)pNode->pData); Abc_NtkForEachPi( pNtk, pNodePi, i ) Abc_ObjAddFanin( pNode, pNodePi ); // create the only PO pNodePo = Abc_NtkCreatePo( pNtk ); Abc_ObjAddFanin( pNodePo, pNode ); Abc_ObjAssignName( pNodePo, pNamePo, NULL ); // make the network minimum base Abc_NtkMinimumBase( pNtk ); if ( vNamesPiFake ) Abc_NodeFreeNames( vNamesPiFake ); if ( !Abc_NtkCheck( pNtk ) ) fprintf( stdout, "Abc_NtkDeriveFromBdd(): Network check has failed.\n" ); return pNtk; }
/**Function************************************************************* Synopsis [Starts a new network using existing network as a model.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkStartFromNoLatches( Abc_Ntk_t * pNtk, Abc_NtkType_t Type, Abc_NtkFunc_t Func ) { Abc_Ntk_t * pNtkNew; Abc_Obj_t * pObj; int i; if ( pNtk == NULL ) return NULL; assert( Type != ABC_NTK_NETLIST ); // start the network pNtkNew = Abc_NtkAlloc( Type, Func, 1 ); // duplicate the name and the spec pNtkNew->pName = Extra_UtilStrsav(pNtk->pName); pNtkNew->pSpec = Extra_UtilStrsav(pNtk->pSpec); // clean the node copy fields Abc_NtkCleanCopy( pNtk ); // map the constant nodes if ( Abc_NtkIsStrash(pNtk) && Abc_NtkIsStrash(pNtkNew) ) Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pNtkNew); // clone CIs/CIs/boxes Abc_NtkForEachPi( pNtk, pObj, i ) Abc_NtkDupObj( pNtkNew, pObj, 1 ); Abc_NtkForEachPo( pNtk, pObj, i ) Abc_NtkDupObj( pNtkNew, pObj, 1 ); Abc_NtkForEachAssert( pNtk, pObj, i ) Abc_NtkDupObj( pNtkNew, pObj, 1 ); Abc_NtkForEachBox( pNtk, pObj, i ) { if ( Abc_ObjIsLatch(pObj) ) continue; Abc_NtkDupBox(pNtkNew, pObj, 1); } // transfer the names // Abc_NtkTrasferNamesNoLatches( pNtk, pNtkNew ); Abc_ManTimeDup( pNtk, pNtkNew ); // check that the CI/CO/latches are copied correctly assert( Abc_NtkPiNum(pNtk) == Abc_NtkPiNum(pNtkNew) ); assert( Abc_NtkPoNum(pNtk) == Abc_NtkPoNum(pNtkNew) ); return pNtkNew; }
/**Function************************************************************* Synopsis [Creates miter for the sensitivity analysis.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_NtkSensitivityMiter( Abc_Ntk_t * pNtk, int iVar ) { Abc_Ntk_t * pMiter; Vec_Ptr_t * vNodes; Abc_Obj_t * pObj, * pNext, * pFanin, * pOutput, * pObjNew; int i; assert( Abc_NtkIsStrash(pNtk) ); assert( iVar < Abc_NtkCiNum(pNtk) ); // duplicate the network pMiter = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 ); pMiter->pName = Extra_UtilStrsav(pNtk->pName); pMiter->pSpec = Extra_UtilStrsav(pNtk->pSpec); // assign the PIs Abc_NtkCleanCopy( pNtk ); Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pMiter); Abc_AigConst1(pNtk)->pData = Abc_AigConst1(pMiter); Abc_NtkForEachCi( pNtk, pObj, i ) { pObj->pCopy = Abc_NtkCreatePi( pMiter ); pObj->pData = pObj->pCopy; }
/**Fnction************************************************************* Synopsis [Constructs AIG in ABC from the manager.] Description [The ABC network is started, as well as the array vCopy, which will map the new ID of each object in the BBLIF manager into the ponter ot the corresponding AIG object in the ABC. For each internal node in a topological oder the AIG representation is created by factoring the SOP representation of the BBLIF object. Finally, the CO objects are created, and the dummy names are assigned because ABC requires each CI/CO to have a name.] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Bbl_ManToAig( Bbl_Man_t * p ) { extern int Bbl_ManFncSize( Bbl_Man_t * p ); extern int Bbl_ObjFncHandle( Bbl_Obj_t * p ); extern Abc_Obj_t * Dec_GraphToAig( Abc_Ntk_t * pNtk, Dec_Graph_t * pFForm, Vec_Ptr_t * vFaninAigs ); int fVerbose = 0; Abc_Ntk_t * pNtk; Abc_Obj_t * pObjNew; Bbl_Obj_t * pObj, * pFanin; Vec_Ptr_t * vCopy, * vNodes, * vFaninAigs; Dec_Graph_t ** pFForms; int i; clock_t clk; clk = clock(); // map SOP handles into factored forms pFForms = ABC_CALLOC( Dec_Graph_t *, Bbl_ManFncSize(p) ); Bbl_ManForEachObj( p, pObj ) if ( pFForms[Bbl_ObjFncHandle(pObj)] == NULL ) pFForms[Bbl_ObjFncHandle(pObj)] = Dec_Factor( Bbl_ObjSop(p, pObj) ); if ( fVerbose ) ABC_PRT( "Fct", clock() - clk ); // start the network pNtk = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 ); pNtk->pName = Extra_UtilStrsav( Bbl_ManName(p) ); vCopy = Vec_PtrStart( 1000 ); // create CIs Bbl_ManForEachObj( p, pObj ) { if ( !Bbl_ObjIsInput(pObj) ) continue; Vec_PtrSetEntry( vCopy, Bbl_ObjId(pObj), Abc_NtkCreatePi(pNtk) ); } clk = clock(); // create internal nodes vNodes = Bbl_ManDfs( p ); vFaninAigs = Vec_PtrAlloc( 100 ); Vec_PtrForEachEntry( Bbl_Obj_t *, vNodes, pObj, i ) { // collect fanin AIGs Vec_PtrClear( vFaninAigs ); Bbl_ObjForEachFanin( pObj, pFanin ) Vec_PtrPush( vFaninAigs, Vec_PtrEntry( vCopy, Bbl_ObjId(pFanin) ) ); // create the new node pObjNew = Dec_GraphToAig( pNtk, pFForms[Bbl_ObjFncHandle(pObj)], vFaninAigs ); Vec_PtrSetEntry( vCopy, Bbl_ObjId(pObj), pObjNew ); }
/**Function************************************************************* Synopsis [Creates a new manager.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ ABC_Manager ABC_InitManager() { ABC_Manager_t * mng; Abc_Start(); mng = ABC_ALLOC( ABC_Manager_t, 1 ); memset( mng, 0, sizeof(ABC_Manager_t) ); mng->pNtk = Abc_NtkAlloc( ABC_NTK_LOGIC, ABC_FUNC_SOP, 1 ); mng->pNtk->pName = Extra_UtilStrsav("csat_network"); mng->tName2Node = stmm_init_table(strcmp, stmm_strhash); mng->tNode2Name = stmm_init_table(stmm_ptrcmp, stmm_ptrhash); mng->pMmNames = Mem_FlexStart(); mng->vNodes = Vec_PtrAlloc( 100 ); mng->vValues = Vec_IntAlloc( 100 ); mng->mode = 0; // set "resource-aware integration" as the default mode // set default parameters for CEC Prove_ParamsSetDefault( &mng->Params ); // set infinite resource limit for the final mitering // mng->Params.nMiteringLimitLast = ABC_INFINITY; return mng; }
/**Function************************************************************* Synopsis [Solves the targets added by ABC_AddTarget().] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ enum CSAT_StatusT ABC_Solve( ABC_Manager mng ) { Prove_Params_t * pParams = &mng->Params; int RetValue, i; // check if the target network is available if ( mng->pTarget == NULL ) { printf( "ABC_Solve: Target network is not derived by ABC_SolveInit().\n" ); return UNDETERMINED; } // try to prove the miter using a number of techniques if ( mng->mode ) RetValue = Abc_NtkMiterSat( mng->pTarget, (ABC_INT64_T)pParams->nMiteringLimitLast, (ABC_INT64_T)0, 0, NULL, NULL ); else // RetValue = Abc_NtkMiterProve( &mng->pTarget, pParams ); // old CEC engine RetValue = Abc_NtkIvyProve( &mng->pTarget, pParams ); // new CEC engine // analyze the result mng->pResult = ABC_TargetResAlloc( Abc_NtkCiNum(mng->pTarget) ); if ( RetValue == -1 ) mng->pResult->status = UNDETERMINED; else if ( RetValue == 1 ) mng->pResult->status = UNSATISFIABLE; else if ( RetValue == 0 ) { mng->pResult->status = SATISFIABLE; // create the array of PI names and values for ( i = 0; i < mng->pResult->no_sig; i++ ) { mng->pResult->names[i] = Extra_UtilStrsav( ABC_GetNodeName(mng, Abc_NtkCi(mng->pNtk, i)) ); mng->pResult->values[i] = mng->pTarget->pModel[i]; } ABC_FREE( mng->pTarget->pModel ); } else assert( 0 ); // delete the target Abc_NtkDelete( mng->pTarget ); mng->pTarget = NULL; // return the status return mng->pResult->status; }
/**Function************************************************************* Synopsis [Provide an fopen replacement with path lookup] Description [Provide an fopen replacement where the path stored in pathvar MVSIS variable is used to look up the path for name. Returns NULL if file cannot be opened.] SideEffects [] SeeAlso [] ***********************************************************************/ FILE * Io_FileOpen( const char * FileName, const char * PathVar, const char * Mode, int fVerbose ) { char * t = 0, * c = 0, * i; extern char * Abc_FrameReadFlag( char * pFlag ); if ( PathVar == 0 ) { return fopen( FileName, Mode ); } else { if ( c = Abc_FrameReadFlag( (char*)PathVar ) ) { char ActualFileName[4096]; FILE * fp = 0; t = Extra_UtilStrsav( c ); for (i = strtok( t, ":" ); i != 0; i = strtok( 0, ":") ) { #ifdef WIN32 _snprintf ( ActualFileName, 4096, "%s/%s", i, FileName ); #else snprintf ( ActualFileName, 4096, "%s/%s", i, FileName ); #endif if ( ( fp = fopen ( ActualFileName, Mode ) ) ) { if ( fVerbose ) fprintf ( stdout, "Using file %s\n", ActualFileName ); free( t ); return fp; } } free( t ); return 0; } else { return fopen( FileName, Mode ); } } }
/**Function************************************************************* Synopsis [Gets fanin node names.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Vec_Ptr_t * Abc_NodeGetFakeNames( int nNames ) { Vec_Ptr_t * vNames; char Buffer[5]; int i; vNames = Vec_PtrAlloc( nNames ); for ( i = 0; i < nNames; i++ ) { if ( nNames < 26 ) { Buffer[0] = 'a' + i; Buffer[1] = 0; } else { Buffer[0] = 'a' + i%26; Buffer[1] = '0' + i/26; Buffer[2] = 0; } Vec_PtrPush( vNames, Extra_UtilStrsav(Buffer) ); } return vNames; }
/**Function************************************************************* Synopsis [Structurally hashes the given window.] Description [The first PO is the observability condition. The second is the node's function. The remaining POs are the candidate divisors.] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Res_WndStrash( Res_Win_t * p ) { Vec_Ptr_t * vPairs; Abc_Ntk_t * pAig; Abc_Obj_t * pObj, * pMiter; int i; assert( Abc_NtkHasAig(p->pNode->pNtk) ); // Abc_NtkCleanCopy( p->pNode->pNtk ); // create the network pAig = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 ); pAig->pName = Extra_UtilStrsav( "window" ); // create the inputs Vec_PtrForEachEntry( Abc_Obj_t *, p->vLeaves, pObj, i ) pObj->pCopy = Abc_NtkCreatePi( pAig ); Vec_PtrForEachEntry( Abc_Obj_t *, p->vBranches, pObj, i ) pObj->pCopy = Abc_NtkCreatePi( pAig ); // go through the nodes in the topological order Vec_PtrForEachEntry( Abc_Obj_t *, p->vNodes, pObj, i ) { pObj->pCopy = Abc_ConvertAigToAig( pAig, pObj ); if ( pObj == p->pNode ) pObj->pCopy = Abc_ObjNot( pObj->pCopy ); } // collect the POs vPairs = Vec_PtrAlloc( 2 * Vec_PtrSize(p->vRoots) ); Vec_PtrForEachEntry( Abc_Obj_t *, p->vRoots, pObj, i ) { Vec_PtrPush( vPairs, pObj->pCopy ); Vec_PtrPush( vPairs, NULL ); } // mark the TFO of the node Abc_NtkIncrementTravId( p->pNode->pNtk ); Res_WinSweepLeafTfo_rec( p->pNode, (int)p->pNode->Level + p->nWinTfoMax ); // update strashing of the node p->pNode->pCopy = Abc_ObjNot( p->pNode->pCopy ); Abc_NodeSetTravIdPrevious( p->pNode ); // redo strashing in the TFO Vec_PtrForEachEntry( Abc_Obj_t *, p->vNodes, pObj, i ) { if ( Abc_NodeIsTravIdCurrent(pObj) ) pObj->pCopy = Abc_ConvertAigToAig( pAig, pObj ); } // collect the POs Vec_PtrForEachEntry( Abc_Obj_t *, p->vRoots, pObj, i ) Vec_PtrWriteEntry( vPairs, 2 * i + 1, pObj->pCopy ); // add the miter pMiter = Abc_AigMiter( (Abc_Aig_t *)pAig->pManFunc, vPairs, 0 ); Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), pMiter ); Vec_PtrFree( vPairs ); // add the node Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), p->pNode->pCopy ); // add the fanins Abc_ObjForEachFanin( p->pNode, pObj, i ) Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), pObj->pCopy ); // add the divisors Vec_PtrForEachEntry( Abc_Obj_t *, p->vDivs, pObj, i ) Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), pObj->pCopy ); // add the names Abc_NtkAddDummyPiNames( pAig ); Abc_NtkAddDummyPoNames( pAig ); // check the resulting network if ( !Abc_NtkCheck( pAig ) ) fprintf( stdout, "Res_WndStrash(): Network check has failed.\n" ); return pAig; }
nValues = Abc_ObjMvVarNum(pObj); if ( nValuesMax < nValues ) nValuesMax = nValues; } nBits = Extra_Base2Log( nValuesMax ); pBits = ABC_ALLOC( Abc_Obj_t *, nBits ); // clean the node copy fields Abc_NtkCleanCopy( pNtk ); // collect the nodes vNodes = Abc_NtkDfs( pNtk, 0 ); // start the network pNtkNew = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 ); // duplicate the name and the spec pNtkNew->pName = Extra_UtilStrsav( pNtk->pName ); // pNtkNew->pSpec = Extra_UtilStrsav( pNtk->pName ); nCount1 = nCount2 = 0; // encode the CI nets Abc_NtkIncrementTravId( pNtk ); if ( fUsePositional ) { Abc_NtkForEachCi( pNtk, pObj, i ) { if ( !Abc_ObjIsPi(pObj) ) continue; pNet = Abc_ObjFanout0(pObj); nValues = Abc_ObjMvVarNum(pNet); pValues = ABC_ALLOC( Abc_Obj_t *, nValues ); // create PIs for the values
ABC_NAMESPACE_IMPL_START // For description of Binary BLIF format, refer to "abc/src/aig/bbl/bblif.h" //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Fnction************************************************************* Synopsis [Constructs ABC network from the manager.] Description [The ABC network is started, as well as the array vCopy, which will map the new ID of each object in the BBLIF manager into the ponter ot the corresponding object in the ABC. For each internal node, determined by Bbl_ObjIsLut(), the SOP representation is created by retrieving the SOP representation of the BBLIF object. Finally, the objects are connected using fanin/fanout creation, and the dummy names are assigned because ABC requires each CI/CO to have a name.] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Bbl_ManToAbc( Bbl_Man_t * p ) { Abc_Ntk_t * pNtk; Abc_Obj_t * pObjNew; Bbl_Obj_t * pObj, * pFanin; Vec_Ptr_t * vCopy; // start the network pNtk = Abc_NtkAlloc( ABC_NTK_LOGIC, ABC_FUNC_SOP, 1 ); pNtk->pName = Extra_UtilStrsav( Bbl_ManName(p) ); // create objects vCopy = Vec_PtrStart( 1000 ); Bbl_ManForEachObj( p, pObj ) { if ( Bbl_ObjIsInput(pObj) ) pObjNew = Abc_NtkCreatePi( pNtk ); else if ( Bbl_ObjIsOutput(pObj) ) pObjNew = Abc_NtkCreatePo( pNtk ); else if ( Bbl_ObjIsLut(pObj) ) pObjNew = Abc_NtkCreateNode( pNtk ); else assert( 0 ); if ( Bbl_ObjIsLut(pObj) ) pObjNew->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, Bbl_ObjSop(p, pObj) ); Vec_PtrSetEntry( vCopy, Bbl_ObjId(pObj), pObjNew ); } // connect objects Bbl_ManForEachObj( p, pObj ) Bbl_ObjForEachFanin( pObj, pFanin ) Abc_ObjAddFanin( (Abc_Obj_t *)Vec_PtrEntry(vCopy, Bbl_ObjId(pObj)), (Abc_Obj_t *)Vec_PtrEntry(vCopy, Bbl_ObjId(pFanin)) ); // finalize Vec_PtrFree( vCopy ); Abc_NtkAddDummyPiNames( pNtk ); Abc_NtkAddDummyPoNames( pNtk ); if ( !Abc_NtkCheck( pNtk ) ) printf( "Bbl_ManToAbc(): Network check has failed.\n" ); return pNtk; }
/**Function************************************************************* Synopsis [Sets the file name to dump the structurally hashed network used for solving.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void ABC_EnableDump( ABC_Manager mng, char * dump_file ) { ABC_FREE( mng->pDumpFileName ); mng->pDumpFileName = Extra_UtilStrsav( dump_file ); }
/**Function************************************************************* Synopsis [Reads one (main or exdc) network from the BLIF file.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Io_ReadBlifNetworkOne( Io_ReadBlif_t * p ) { ProgressBar * pProgress = NULL; Abc_Ntk_t * pNtk; char * pDirective; int iLine, fTokensReady, fStatus; // make sure the tokens are present assert( p->vTokens != NULL ); // create the new network p->pNtkCur = pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_SOP, 1 ); // read the model name if ( strcmp( (char *)p->vTokens->pArray[0], ".model" ) == 0 ) { char * pToken, * pPivot; if ( Vec_PtrSize(p->vTokens) != 2 ) { p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0); sprintf( p->sError, "The .model line does not have exactly two entries." ); Io_ReadBlifPrintErrorMessage( p ); return NULL; } for ( pPivot = pToken = (char *)Vec_PtrEntry(p->vTokens, 1); *pToken; pToken++ ) if ( *pToken == '/' || *pToken == '\\' ) pPivot = pToken+1; pNtk->pName = Extra_UtilStrsav( pPivot ); } else if ( strcmp( (char *)p->vTokens->pArray[0], ".exdc" ) != 0 ) { printf( "%s: File parsing skipped after line %d (\"%s\").\n", p->pFileName, Extra_FileReaderGetLineNumber(p->pReader, 0), (char*)p->vTokens->pArray[0] ); Abc_NtkDelete(pNtk); p->pNtkCur = NULL; return NULL; } // read the inputs/outputs if ( p->pNtkMaster == NULL ) pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p->pReader) ); fTokensReady = fStatus = 0; for ( iLine = 0; fTokensReady || (p->vTokens = Io_ReadBlifGetTokens(p)); iLine++ ) { if ( p->pNtkMaster == NULL && iLine % 1000 == 0 ) Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p->pReader), NULL ); // consider different line types fTokensReady = 0; pDirective = (char *)p->vTokens->pArray[0]; if ( !strcmp( pDirective, ".names" ) ) { fStatus = Io_ReadBlifNetworkNames( p, &p->vTokens ); fTokensReady = 1; } else if ( !strcmp( pDirective, ".gate" ) ) fStatus = Io_ReadBlifNetworkGate( p, p->vTokens ); else if ( !strcmp( pDirective, ".latch" ) ) fStatus = Io_ReadBlifNetworkLatch( p, p->vTokens ); else if ( !strcmp( pDirective, ".inputs" ) ) fStatus = Io_ReadBlifNetworkInputs( p, p->vTokens ); else if ( !strcmp( pDirective, ".outputs" ) ) fStatus = Io_ReadBlifNetworkOutputs( p, p->vTokens ); else if ( !strcmp( pDirective, ".input_arrival" ) ) fStatus = Io_ReadBlifNetworkInputArrival( p, p->vTokens ); else if ( !strcmp( pDirective, ".output_required" ) ) fStatus = Io_ReadBlifNetworkOutputRequired( p, p->vTokens ); else if ( !strcmp( pDirective, ".default_input_arrival" ) ) fStatus = Io_ReadBlifNetworkDefaultInputArrival( p, p->vTokens ); else if ( !strcmp( pDirective, ".default_output_required" ) ) fStatus = Io_ReadBlifNetworkDefaultOutputRequired( p, p->vTokens ); else if ( !strcmp( pDirective, ".and_gate_delay" ) ) fStatus = Io_ReadBlifNetworkAndGateDelay( p, p->vTokens ); // else if ( !strcmp( pDirective, ".subckt" ) ) // fStatus = Io_ReadBlifNetworkSubcircuit( p, p->vTokens ); else if ( !strcmp( pDirective, ".exdc" ) ) break; else if ( !strcmp( pDirective, ".end" ) ) { p->vTokens = Io_ReadBlifGetTokens(p); break; } else if ( !strcmp( pDirective, ".blackbox" ) ) { pNtk->ntkType = ABC_NTK_NETLIST; pNtk->ntkFunc = ABC_FUNC_BLACKBOX; Mem_FlexStop( (Mem_Flex_t *)pNtk->pManFunc, 0 ); pNtk->pManFunc = NULL; } else printf( "%s (line %d): Skipping directive \"%s\".\n", p->pFileName, Extra_FileReaderGetLineNumber(p->pReader, 0), pDirective ); if ( p->vTokens == NULL ) // some files do not have ".end" in the end break; if ( fStatus == 1 ) { Extra_ProgressBarStop( pProgress ); Abc_NtkDelete( pNtk ); return NULL; } } if ( p->pNtkMaster == NULL ) Extra_ProgressBarStop( pProgress ); return pNtk; }