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/**CFile****************************************************************
FileName [ioReadVerilog.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Command processing package.]
Synopsis [Procedure to read network from file.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ioReadVerilog.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "ioAbc.h"
#include "ver.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
//extern Abc_Lib_t * Ver_ParseFile( char * pFileName, Abc_Lib_t * pGateLib, int fCheck, int fUseMemMan );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Reads hierarchical design from the Verilog file.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Io_ReadVerilog( char * pFileName, int fCheck )
{
Abc_Ntk_t * pNtk;
Abc_Lib_t * pDesign;
int RetValue;
// parse the verilog file
pDesign = Ver_ParseFile( pFileName, NULL, fCheck, 1 );
if ( pDesign == NULL )
return NULL;
// detect top-level model
RetValue = Abc_LibFindTopLevelModels( pDesign );
pNtk = (Abc_Ntk_t *)Vec_PtrEntry( pDesign->vTops, 0 );
if ( RetValue > 1 )
printf( "Warning: The design has %d root-level modules. The first one (%s) will be used.\n",
Vec_PtrSize(pDesign->vTops), pNtk->pName );
// extract the master network
pNtk->pDesign = pDesign;
pDesign->pManFunc = NULL;
// verify the design for cyclic dependence
assert( Vec_PtrSize(pDesign->vModules) > 0 );
if ( Vec_PtrSize(pDesign->vModules) == 1 )
{
// printf( "Warning: The design is not hierarchical.\n" );
Abc_LibFree( pDesign, pNtk );
pNtk->pDesign = NULL;
pNtk->pSpec = Extra_UtilStrsav( pFileName );
}
else
{
// check that there is no cyclic dependency
Abc_NtkIsAcyclicHierarchy( pNtk );
}
//Io_WriteVerilog( pNtk, "_temp.v" );
return pNtk;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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