Added dumping original object names into a file.

src/base/abc/abc.h

@@ -210,8 +210,8 @@ struct Abc_Ntk_t_
     Vec_Ptr_t *       vOnehots;      // names of one-hot-encoded registers
     Vec_Int_t *       vObjPerm;      // permutation saved
     Vec_Int_t *       vTopo;
-    // node attributes
     Vec_Ptr_t *       vAttrs;        // managers of various node attributes (node functionality, global BDDs, etc)
+    Vec_Int_t *       vNameIds;      // name IDs
 };
 
 struct Abc_Des_t_ 
@@ -717,6 +717,9 @@ extern ABC_DLL void               Abc_NtkAddDummyPiNames( Abc_Ntk_t * pNtk );
 extern ABC_DLL void               Abc_NtkAddDummyPoNames( Abc_Ntk_t * pNtk );
 extern ABC_DLL void               Abc_NtkAddDummyBoxNames( Abc_Ntk_t * pNtk );
 extern ABC_DLL void               Abc_NtkShortNames( Abc_Ntk_t * pNtk );
+extern ABC_DLL void               Abc_NtkStartNameIds( Abc_Ntk_t * p );
+extern ABC_DLL void               Abc_NtkTransferNameIds( Abc_Ntk_t * p, Abc_Ntk_t * pNew );
+extern ABC_DLL void               Abc_NtkUpdateNameIds( Abc_Ntk_t * p );
 /*=== abcNetlist.c ==========================================================*/
 extern ABC_DLL Abc_Ntk_t *        Abc_NtkToLogic( Abc_Ntk_t * pNtk );
 extern ABC_DLL Abc_Ntk_t *        Abc_NtkToNetlist( Abc_Ntk_t * pNtk );

src/base/abc/abcNames.c

@@ -496,6 +496,140 @@ void Abc_NtkShortNames( Abc_Ntk_t * pNtk )
     Abc_NtkAddDummyBoxNames( pNtk );
 }
 
+
+/**Function*************************************************************
+
+  Synopsis    [Saves name IDs into a file.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NtkStartNameIds( Abc_Ntk_t * p )
+{
+    char pFileName[1000];
+    FILE * pFile;
+    Abc_Obj_t * pObj, * pFanin;
+    Vec_Ptr_t * vNodes;
+    int i, Counter = 1;
+    assert( Abc_NtkIsNetlist(p) );
+    assert( p->vNameIds == NULL );
+    assert( strlen(p->pSpec) < 1000 );
+    sprintf( pFileName, "%s_%s_names.txt", Extra_FileNameGenericAppend(p->pSpec,""), Extra_FileNameExtension(p->pSpec) );
+    pFile = fopen( pFileName, "wb" );
+    p->vNameIds = Vec_IntStart( Abc_NtkObjNumMax(p) );
+    // add inputs
+    Abc_NtkForEachCi( p, pObj, i )
+        fprintf( pFile, "%s            \n", Abc_ObjName(Abc_ObjFanout0(pObj)) ), Vec_IntWriteEntry(p->vNameIds, Abc_ObjId(pObj), 2*Counter++);
+    // add outputs
+    Abc_NtkForEachCo( p, pObj, i )
+    {
+        pFanin = Abc_ObjFanin0(Abc_ObjFanin0(pObj));
+        if ( !Vec_IntEntry(p->vNameIds, Abc_ObjId(pFanin)) )
+            fprintf( pFile, "%s            \n", Abc_ObjName(Abc_ObjFanout0(pFanin)) ), Vec_IntWriteEntry(p->vNameIds, Abc_ObjId(pFanin), 2*Counter++);
+    }
+    // add nodes in a topo order
+    vNodes = Abc_NtkDfs( p, 1 );
+    Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
+        if ( !Vec_IntEntry(p->vNameIds, Abc_ObjId(pObj)) )
+            fprintf( pFile, "%s            \n", Abc_ObjName(Abc_ObjFanout0(pObj)) ), Vec_IntWriteEntry(p->vNameIds, Abc_ObjId(pObj), 2*Counter++);
+    Vec_PtrFree( vNodes );
+    fclose( pFile );
+    // transfer driver node names to COs
+    Abc_NtkForEachCo( p, pObj, i )
+    {
+        pFanin = Abc_ObjFanin0(Abc_ObjFanin0(pObj));
+        Vec_IntWriteEntry( p->vNameIds, Abc_ObjId(pObj), Vec_IntEntry(p->vNameIds, Abc_ObjId(pFanin)) );
+        Vec_IntWriteEntry( p->vNameIds, Abc_ObjId(pFanin), 0 );
+    }
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Remaps the AIG from the old manager into the new manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NtkTransferNameIds( Abc_Ntk_t * p, Abc_Ntk_t * pNew )
+{
+    Abc_Obj_t * pObj, * pObjNew;
+    int i;
+    assert( p->vNameIds != NULL );
+    assert( pNew->vNameIds == NULL );
+    pNew->vNameIds = Vec_IntStart( Abc_NtkObjNumMax(pNew) );
+//    Abc_NtkForEachCi( p, pObj, i )
+//        printf( "%d ", Vec_IntEntry(p->vNameIds, Abc_ObjId(pObj)) );
+//    printf( "\n" );
+    Abc_NtkForEachObj( p, pObj, i )
+        if ( pObj->pCopy && Vec_IntEntry(p->vNameIds, i) )
+        {
+            pObjNew = Abc_ObjRegular(pObj->pCopy);
+            assert( Abc_ObjNtk(pObjNew) == pNew );
+            if ( Abc_ObjIsCi(pObjNew) && !Abc_ObjIsCi(pObj) ) // do not overwrite CI name by internal node name
+                continue;
+            Vec_IntWriteEntry( pNew->vNameIds, Abc_ObjId(pObjNew), Vec_IntEntry(p->vNameIds, i) ^ Abc_ObjIsComplement(pObj->pCopy) );
+        }
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Updates file with name IDs.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NtkUpdateNameIds( Abc_Ntk_t * p )
+{
+    char pFileName[1000];
+    Vec_Int_t * vStarts;
+    Abc_Obj_t * pObj;
+    FILE * pFile;
+    int i, c, iVar, fCompl, fSeenSpace, Counter = 0;
+    assert( !Abc_NtkIsNetlist(p) );
+    assert( strlen(p->pSpec) < 1000 );
+    assert( p->vNameIds != NULL );
+    sprintf( pFileName, "%s_%s_names.txt", Extra_FileNameGenericAppend(p->pSpec,""), Extra_FileNameExtension(p->pSpec) );
+    pFile = fopen( pFileName, "r+" );
+    // collect info about lines
+    fSeenSpace = 0;
+    vStarts = Vec_IntAlloc( 1000 );
+    Vec_IntPush( vStarts, -1 );
+    while ( (c = fgetc(pFile)) != EOF && ++Counter )
+        if ( c == ' ' && !fSeenSpace )
+            Vec_IntPush(vStarts, Counter), fSeenSpace = 1;
+        else if ( c == '\n' )
+            fSeenSpace = 0;
+    // add info about names
+    Abc_NtkForEachObj( p, pObj, i )
+    {
+        if ( !Vec_IntEntry(p->vNameIds, i) )
+            continue;
+        iVar = Abc_Lit2Var( Vec_IntEntry(p->vNameIds, i) );
+        fCompl = Abc_LitIsCompl( Vec_IntEntry(p->vNameIds, i) );
+        assert( iVar < Vec_IntSize(vStarts) );
+        fseek( pFile, Vec_IntEntry(vStarts, iVar), SEEK_SET );
+        fprintf( pFile, "%s%d", fCompl? "-":"", i );
+    }
+    printf( "Saved %d names into file \"%s\".\n", Vec_IntSize(vStarts)-1, pFileName );
+    fclose( pFile );
+    Vec_IntFree( vStarts );
+    Vec_IntFreeP( &p->vNameIds );
+//    Abc_NtkForEachObj( p, pObj, i )
+//        Abc_ObjPrint( stdout, pObj );
+}
+
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////

src/base/abc/abcNtk.c

@@ -1331,6 +1331,7 @@ void Abc_NtkDelete( Abc_Ntk_t * pNtk )
     assert( pNtk->pSCLib == NULL );
     Vec_IntFreeP( &pNtk->vGates );
     Vec_PtrFree( pNtk->vAttrs );
+    Vec_IntFreeP( &pNtk->vNameIds );
     ABC_FREE( pNtk->pWLoadUsed );
     ABC_FREE( pNtk->pName );
     ABC_FREE( pNtk->pSpec );

src/base/abci/abcStrash.c

@@ -232,6 +232,11 @@ Abc_Ntk_t * Abc_NtkRestrashZero( Abc_Ntk_t * pNtk, int fCleanup )
     // duplicate EXDC 
     if ( pNtk->pExdc )
         pNtkAig->pExdc = Abc_NtkDup( pNtk->pExdc );
+    // transfer name IDs
+    if ( pNtk->vNameIds )
+        Abc_NtkTransferNameIds( pNtk, pNtkAig );
+    if ( pNtk->vNameIds )
+        Abc_NtkUpdateNameIds( pNtkAig );
     // make sure everything is okay
     if ( !Abc_NtkCheck( pNtkAig ) )
     {
@@ -276,6 +281,9 @@ Abc_Ntk_t * Abc_NtkStrash( Abc_Ntk_t * pNtk, int fAllNodes, int fCleanup, int fR
     pNtkAig = Abc_NtkStartFrom( pNtk, ABC_NTK_STRASH, ABC_FUNC_AIG );
     Abc_NtkStrashPerform( pNtk, pNtkAig, fAllNodes, fRecord );
     Abc_NtkFinalize( pNtk, pNtkAig );
+    // transfer name IDs
+    if ( pNtk->vNameIds )
+        Abc_NtkTransferNameIds( pNtk, pNtkAig );
     // print warning about self-feed latches
 //    if ( Abc_NtkCountSelfFeedLatches(pNtkAig) )
 //        printf( "Warning: The network has %d self-feeding latches.\n", Abc_NtkCountSelfFeedLatches(pNtkAig) );

src/base/io/io.c

@@ -440,20 +440,25 @@ int IoCommandReadBlif( Abc_Frame_t * pAbc, int argc, char ** argv )
     int fReadAsAig;
     int fCheck;
     int fUseNewParser;
+    int fSaveNames;
     int c;
     extern Abc_Ntk_t * Io_ReadBlifAsAig( char * pFileName, int fCheck );
 
     fCheck = 1;
     fReadAsAig = 0;
     fUseNewParser = 1;
+    fSaveNames = 0;
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "nach" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "nmach" ) ) != EOF )
     {
         switch ( c )
         {
             case 'n':
                 fUseNewParser ^= 1;
                 break;
+            case 'm':
+                fSaveNames ^= 1;
+                break;
             case 'a':
                 fReadAsAig ^= 1;
                 break;
@@ -481,7 +486,11 @@ int IoCommandReadBlif( Abc_Frame_t * pAbc, int argc, char ** argv )
         pNtk = Io_ReadBlif( pFileName, fCheck );
         if ( pNtk == NULL )
             return 1;
+        if ( fSaveNames )
+            Abc_NtkStartNameIds( pNtk );
         pNtk = Abc_NtkToLogic( pTemp = pNtk );
+        if ( fSaveNames )
+            Abc_NtkTransferNameIds( pTemp, pNtk );
         Abc_NtkDelete( pTemp );
     }
 
@@ -493,10 +502,11 @@ int IoCommandReadBlif( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 0;
 
 usage:
-    fprintf( pAbc->Err, "usage: read_blif [-nach] <file>\n" );
+    fprintf( pAbc->Err, "usage: read_blif [-nmach] <file>\n" );
     fprintf( pAbc->Err, "\t         reads the network in binary BLIF format\n" );
     fprintf( pAbc->Err, "\t         (if this command does not work, try \"read\")\n" );
     fprintf( pAbc->Err, "\t-n     : toggle using old BLIF parser without hierarchy support [default = %s]\n", !fUseNewParser? "yes":"no" );
+    fprintf( pAbc->Err, "\t-m     : toggle saving original circuit names into a file [default = %s]\n", fSaveNames? "yes":"no" );
     fprintf( pAbc->Err, "\t-a     : toggle creating AIG while reading the file [default = %s]\n", fReadAsAig? "yes":"no" );
     fprintf( pAbc->Err, "\t-c     : toggle network check after reading [default = %s]\n", fCheck? "yes":"no" );
     fprintf( pAbc->Err, "\t-h     : prints the command summary\n" );