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-rw-r--r--src/base/abc/abcNames.c467
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diff --git a/src/base/abc/abcNames.c b/src/base/abc/abcNames.c
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+/**CFile****************************************************************
+
+ FileName [abcNames.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Network and node package.]
+
+ Synopsis [Procedures working with net and node names.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: abcNames.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "abc.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Returns the unique name for the object.]
+
+ Description [If the name previously did not exist, creates a new unique
+ name but does not assign this name to the object. The temporary unique
+ name is stored in a static buffer inside this procedure. It is important
+ that the name is used before the function is called again!]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+char * Abc_ObjName( Abc_Obj_t * pObj )
+{
+ return Nm_ManCreateUniqueName( pObj->pNtk->pManName, pObj->Id );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Assigns the given name to the object.]
+
+ Description [The object should not have a name assigned. The same
+ name may be used for several objects, which they share the same net
+ in the original netlist. (For example, latch output and primary output
+ may have the same name.) This procedure returns the pointer to the
+ internally stored representation of the given name.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+char * Abc_ObjAssignName( Abc_Obj_t * pObj, char * pName, char * pSuffix )
+{
+ assert( pName != NULL );
+ return Nm_ManStoreIdName( pObj->pNtk->pManName, pObj->Id, pObj->Type, pName, pSuffix );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Gets the long name of the node.]
+
+ Description [This name is the output net's name.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+char * Abc_ObjNameSuffix( Abc_Obj_t * pObj, char * pSuffix )
+{
+ static char Buffer[500];
+ sprintf( Buffer, "%s%s", Abc_ObjName(pObj), pSuffix );
+ return Buffer;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns the dummy PI name.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+char * Abc_ObjNameDummy( char * pPrefix, int Num, int nDigits )
+{
+ static char Buffer[100];
+ sprintf( Buffer, "%s%0*d", pPrefix, nDigits, Num );
+ return Buffer;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Tranfers names to the old network.]
+
+ Description [Assumes that the new nodes are attached using pObj->pCopy.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkTrasferNames( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew )
+{
+ Abc_Obj_t * pObj;
+ int i;
+ assert( Abc_NtkPiNum(pNtk) == Abc_NtkPiNum(pNtkNew) );
+ assert( Abc_NtkPoNum(pNtk) == Abc_NtkPoNum(pNtkNew) );
+ assert( Abc_NtkBoxNum(pNtk) == Abc_NtkBoxNum(pNtkNew) );
+ assert( Abc_NtkAssertNum(pNtk) == Abc_NtkAssertNum(pNtkNew) );
+ assert( Nm_ManNumEntries(pNtk->pManName) > 0 );
+ assert( Nm_ManNumEntries(pNtkNew->pManName) == 0 );
+ // copy the CI/CO/box names
+ Abc_NtkForEachCi( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(Abc_ObjFanout0Ntk(pObj)), NULL );
+ Abc_NtkForEachCo( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(Abc_ObjFanin0Ntk(pObj)), NULL );
+ Abc_NtkForEachBox( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(pObj), NULL );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Tranfers names to the old network.]
+
+ Description [Assumes that the new nodes are attached using pObj->pCopy.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkTrasferNamesNoLatches( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew )
+{
+ Abc_Obj_t * pObj;
+ int i;
+ assert( Abc_NtkPiNum(pNtk) == Abc_NtkPiNum(pNtkNew) );
+ assert( Abc_NtkPoNum(pNtk) == Abc_NtkPoNum(pNtkNew) );
+ assert( Abc_NtkAssertNum(pNtk) == Abc_NtkAssertNum(pNtkNew) );
+ assert( Nm_ManNumEntries(pNtk->pManName) > 0 );
+ assert( Nm_ManNumEntries(pNtkNew->pManName) == 0 );
+ // copy the CI/CO/box name and skip latches and theirs inputs/outputs
+ Abc_NtkForEachCi( pNtk, pObj, i )
+ if ( Abc_ObjFaninNum(pObj) == 0 || !Abc_ObjIsLatch(Abc_ObjFanin0(pObj)) )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(Abc_ObjFanout0Ntk(pObj)), NULL );
+ Abc_NtkForEachCo( pNtk, pObj, i )
+ if ( Abc_ObjFanoutNum(pObj) == 0 || !Abc_ObjIsLatch(Abc_ObjFanout0(pObj)) )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(Abc_ObjFanin0Ntk(pObj)), NULL );
+ Abc_NtkForEachBox( pNtk, pObj, i )
+ if ( !Abc_ObjIsLatch(pObj) )
+ Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(pObj), NULL );
+}
+
+/**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 [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 [Gets fanin node names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NodeFreeNames( Vec_Ptr_t * vNames )
+{
+ int i;
+ if ( vNames == NULL )
+ return;
+ for ( i = 0; i < vNames->nSize; i++ )
+ free( vNames->pArray[i] );
+ Vec_PtrFree( vNames );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Collects the CI or CO names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+char ** Abc_NtkCollectCioNames( Abc_Ntk_t * pNtk, int fCollectCos )
+{
+ Abc_Obj_t * pObj;
+ char ** ppNames;
+ int i;
+ if ( fCollectCos )
+ {
+ ppNames = ALLOC( char *, Abc_NtkCoNum(pNtk) );
+ Abc_NtkForEachCo( pNtk, pObj, i )
+ ppNames[i] = Abc_ObjName(pObj);
+ }
+ else
+ {
+ ppNames = ALLOC( char *, Abc_NtkCiNum(pNtk) );
+ Abc_NtkForEachCi( pNtk, pObj, i )
+ ppNames[i] = Abc_ObjName(pObj);
+ }
+ return ppNames;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Procedure used for sorting the nodes in decreasing order of levels.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_NodeCompareNames( Abc_Obj_t ** pp1, Abc_Obj_t ** pp2 )
+{
+ int Diff = strcmp( (char *)(*pp1)->pCopy, (char *)(*pp2)->pCopy );
+ if ( Diff < 0 )
+ return -1;
+ if ( Diff > 0 )
+ return 1;
+ return 0;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Orders PIs/POs/latches alphabetically.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkOrderObjsByName( Abc_Ntk_t * pNtk, int fComb )
+{
+ Abc_Obj_t * pObj;
+ int i;
+ assert( Abc_NtkAssertNum(pNtk) == 0 );
+ assert( Abc_NtkHasOnlyLatchBoxes(pNtk) );
+ // temporarily store the names in the copy field
+ Abc_NtkForEachPi( pNtk, pObj, i )
+ pObj->pCopy = (Abc_Obj_t *)Abc_ObjName(pObj);
+ Abc_NtkForEachPo( pNtk, pObj, i )
+ pObj->pCopy = (Abc_Obj_t *)Abc_ObjName(pObj);
+ Abc_NtkForEachBox( pNtk, pObj, i )
+ pObj->pCopy = (Abc_Obj_t *)Abc_ObjName(Abc_ObjFanout0(pObj));
+ // order objects alphabetically
+ qsort( (void *)Vec_PtrArray(pNtk->vPis), Vec_PtrSize(pNtk->vPis), sizeof(Abc_Obj_t *),
+ (int (*)(const void *, const void *)) Abc_NodeCompareNames );
+ qsort( (void *)Vec_PtrArray(pNtk->vPos), Vec_PtrSize(pNtk->vPos), sizeof(Abc_Obj_t *),
+ (int (*)(const void *, const void *)) Abc_NodeCompareNames );
+ // if the comparison if combinational (latches as PIs/POs), order them too
+ if ( fComb )
+ qsort( (void *)Vec_PtrArray(pNtk->vBoxes), Vec_PtrSize(pNtk->vBoxes), sizeof(Abc_Obj_t *),
+ (int (*)(const void *, const void *)) Abc_NodeCompareNames );
+ // order CIs/COs first PIs/POs(Asserts) then latches
+ Abc_NtkOrderCisCos( pNtk );
+ // clean the copy fields
+ Abc_NtkForEachPi( pNtk, pObj, i )
+ pObj->pCopy = NULL;
+ Abc_NtkForEachPo( pNtk, pObj, i )
+ pObj->pCopy = NULL;
+ Abc_NtkForEachBox( pNtk, pObj, i )
+ pObj->pCopy = NULL;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds dummy names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkAddDummyPiNames( Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pObj;
+ int nDigits, i;
+ nDigits = Extra_Base10Log( Abc_NtkPiNum(pNtk) );
+ Abc_NtkForEachPi( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj, Abc_ObjNameDummy("pi", i, nDigits), NULL );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds dummy names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkAddDummyPoNames( Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pObj;
+ int nDigits, i;
+ nDigits = Extra_Base10Log( Abc_NtkPoNum(pNtk) );
+ Abc_NtkForEachPo( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj, Abc_ObjNameDummy("po", i, nDigits), NULL );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds dummy names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkAddDummyAssertNames( Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pObj;
+ int nDigits, i;
+ nDigits = Extra_Base10Log( Abc_NtkAssertNum(pNtk) );
+ Abc_NtkForEachAssert( pNtk, pObj, i )
+ Abc_ObjAssignName( pObj, Abc_ObjNameDummy("a", i, nDigits), NULL );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds dummy names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkAddDummyBoxNames( Abc_Ntk_t * pNtk )
+{
+ Abc_Obj_t * pObj;
+ int nDigits, i;
+ assert( !Abc_NtkIsNetlist(pNtk) );
+ nDigits = Extra_Base10Log( Abc_NtkLatchNum(pNtk) );
+ Abc_NtkForEachLatch( pNtk, pObj, i )
+ {
+ Abc_ObjAssignName( pObj, Abc_ObjNameDummy("l", i, nDigits), NULL );
+ Abc_ObjAssignName( Abc_ObjFanin0(pObj), Abc_ObjNameDummy("li", i, nDigits), NULL );
+ Abc_ObjAssignName( Abc_ObjFanout0(pObj), Abc_ObjNameDummy("lo", i, nDigits), NULL );
+ }
+/*
+ nDigits = Extra_Base10Log( Abc_NtkBlackboxNum(pNtk) );
+ Abc_NtkForEachBlackbox( pNtk, pObj, i )
+ {
+ pName = Abc_ObjAssignName( pObj, Abc_ObjNameDummy("B", i, nDigits), NULL );
+ nDigitsF = Extra_Base10Log( Abc_ObjFaninNum(pObj) );
+ Abc_ObjForEachFanin( pObj, pTerm, k )
+ Abc_ObjAssignName( Abc_ObjFanin0(pObj), pName, Abc_ObjNameDummy("i", k, nDigitsF) );
+ nDigitsF = Extra_Base10Log( Abc_ObjFanoutNum(pObj) );
+ Abc_ObjForEachFanout( pObj, pTerm, k )
+ Abc_ObjAssignName( Abc_ObjFanin0(pObj), pName, Abc_ObjNameDummy("o", k, nDigitsF) );
+ }
+*/
+}
+
+/**Function*************************************************************
+
+ Synopsis [Replaces names by short names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkShortNames( Abc_Ntk_t * pNtk )
+{
+ Nm_ManFree( pNtk->pManName );
+ pNtk->pManName = Nm_ManCreate( Abc_NtkCiNum(pNtk) + Abc_NtkCoNum(pNtk) + Abc_NtkBoxNum(pNtk) );
+ Abc_NtkAddDummyPiNames( pNtk );
+ Abc_NtkAddDummyPoNames( pNtk );
+ Abc_NtkAddDummyAssertNames( pNtk );
+ Abc_NtkAddDummyBoxNames( pNtk );
+}
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+