1 files changed, 126 insertions, 0 deletions
diff --git a/src/aig/ntl/ntlCheck.c b/src/aig/ntl/ntlCheck.c
new file mode 100644
index 00000000..d01c7d5e
--- /dev/null
+++ b/src/aig/ntl/ntlCheck.c
@@ -0,0 +1,126 @@
+/**CFile****************************************************************
+
+  FileName    [ntlCheck.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Netlist representation.]
+
+  Synopsis    [Checks consistency of the netlist.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: ntlCheck.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "ntl.h"
+#include "aig.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Ntl_ManCheck( Ntl_Man_t * pMan )
+{
+    // check that the models have unique names
+    // check that the models (except the first one) do not have boxes
+    return 1;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Ntl_ModelCheck( Ntl_Mod_t * pModel )
+{
+    return 1;
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    [Reads the verilog file.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Ntl_ModelFixNonDrivenNets( Ntl_Mod_t * pModel )
+{ 
+    Vec_Ptr_t * vNets;
+    Ntl_Net_t * pNet;
+    Ntl_Obj_t * pNode;
+    int i;
+
+    if ( Ntl_ModelIsBlackBox(pModel) )
+        return;
+
+    // check for non-driven nets
+    vNets = Vec_PtrAlloc( 100 );
+    Ntl_ModelForEachNet( pModel, pNet, i )
+    {
+        if ( pNet->pDriver != NULL )
+            continue;
+        // add the constant 0 driver
+        pNode = Ntl_ModelCreateNode( pModel, 0 );
+        pNode->pSop = Ntl_ManStoreSop( pModel->pMan, " 0\n" );
+        Ntl_ModelSetNetDriver( pNode, pNet );
+        // add the net to those for which the warning will be printed
+        Vec_PtrPush( vNets, pNet );
+    }
+
+    // print the warning
+    if ( Vec_PtrSize(vNets) > 0 )
+    {
+        printf( "Warning: Constant-0 drivers added to %d non-driven nets in network \"%s\":\n", Vec_PtrSize(vNets), pModel->pName );
+        Vec_PtrForEachEntry( vNets, pNet, i )
+        {
+            printf( "%s%s", (i? ", ": ""), pNet->pName );
+            if ( i == 3 )
+            {
+                if ( Vec_PtrSize(vNets) > 3 )
+                    printf( " ..." );
+                break;
+            }
+        }
+        printf( "\n" );
+    }
+    Vec_PtrFree( vNets );
+}
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+