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authorAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
commit4812c90424dfc40d26725244723887a2d16ddfd9 (patch)
treeb32ace96e7e2d84d586e09ba605463b6f49c3271 /abc70930/src/base/io/ioReadEdif.c
parente54d9691616b9a0326e2fdb3156bb4eeb8abfcd7 (diff)
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Version abc71001
Diffstat (limited to 'abc70930/src/base/io/ioReadEdif.c')
-rw-r--r--abc70930/src/base/io/ioReadEdif.c235
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diff --git a/abc70930/src/base/io/ioReadEdif.c b/abc70930/src/base/io/ioReadEdif.c
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-/**CFile****************************************************************
-
- FileName [ioReadEdif.c]
-
- SystemName [ABC: Logic synthesis and verification system.]
-
- PackageName [Command processing package.]
-
- Synopsis [Procedure to read ISCAS benchmarks in EDIF.]
-
- Author [Alan Mishchenko]
-
- Affiliation [UC Berkeley]
-
- Date [Ver. 1.0. Started - June 20, 2005.]
-
- Revision [$Id: ioReadEdif.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "io.h"
-
-////////////////////////////////////////////////////////////////////////
-/// DECLARATIONS ///
-////////////////////////////////////////////////////////////////////////
-
-static Abc_Ntk_t * Io_ReadEdifNetwork( Extra_FileReader_t * p );
-
-////////////////////////////////////////////////////////////////////////
-/// FUNCTION DEFINITIONS ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
- Synopsis [Reads the network from an EDIF file.]
-
- Description [Works only for the ISCAS benchmarks.]
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-Abc_Ntk_t * Io_ReadEdif( char * pFileName, int fCheck )
-{
- Extra_FileReader_t * p;
- Abc_Ntk_t * pNtk;
-
- printf( "Currently this parser does not work!\n" );
- return NULL;
-
- // start the file
- p = Extra_FileReaderAlloc( pFileName, "#", "\n\r", " \t()" );
- if ( p == NULL )
- return NULL;
-
- // read the network
- pNtk = Io_ReadEdifNetwork( p );
- Extra_FileReaderFree( p );
- if ( pNtk == NULL )
- return NULL;
-
- // make sure that everything is okay with the network structure
- if ( fCheck && !Abc_NtkCheckRead( pNtk ) )
- {
- printf( "Io_ReadEdif: The network check has failed.\n" );
- Abc_NtkDelete( pNtk );
- return NULL;
- }
- return pNtk;
-}
-/**Function*************************************************************
-
- Synopsis []
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-Abc_Ntk_t * Io_ReadEdifNetwork( Extra_FileReader_t * p )
-{
- ProgressBar * pProgress;
- Vec_Ptr_t * vTokens;
- Abc_Ntk_t * pNtk;
- Abc_Obj_t * pNet, * pObj, * pFanout;
- char * pGateName, * pNetName;
- int fTokensReady, iLine, i;
-
- // read the first line
- vTokens = Extra_FileReaderGetTokens(p);
- if ( strcmp( vTokens->pArray[0], "edif" ) != 0 )
- {
- printf( "%s: Wrong input file format.\n", Extra_FileReaderGetFileName(p) );
- return NULL;
- }
-
- // allocate the empty network
- pNtk = Abc_NtkStartRead( Extra_FileReaderGetFileName(p) );
-
- // go through the lines of the file
- fTokensReady = 0;
- pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p) );
- for ( iLine = 1; fTokensReady || (vTokens = Extra_FileReaderGetTokens(p)); iLine++ )
- {
- Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p), NULL );
-
- // get the type of the line
- fTokensReady = 0;
- if ( strcmp( vTokens->pArray[0], "instance" ) == 0 )
- {
- pNetName = vTokens->pArray[1];
- pNet = Abc_NtkFindOrCreateNet( pNtk, pNetName );
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- pGateName = vTokens->pArray[1];
- if ( strncmp( pGateName, "Flip", 4 ) == 0 )
- {
- pObj = Abc_NtkCreateLatch( pNtk );
- Abc_LatchSetInit0( pObj );
- }
- else
- {
- pObj = Abc_NtkCreateNode( pNtk );
-// pObj->pData = Abc_NtkRegisterName( pNtk, pGateName );
- pObj->pData = Extra_UtilStrsav( pGateName ); // memory leak!!!
- }
- Abc_ObjAddFanin( pNet, pObj );
- }
- else if ( strcmp( vTokens->pArray[0], "net" ) == 0 )
- {
- pNetName = vTokens->pArray[1];
- if ( strcmp( pNetName, "CK" ) == 0 || strcmp( pNetName, "RESET" ) == 0 )
- continue;
- if ( strcmp( pNetName + strlen(pNetName) - 4, "_out" ) == 0 )
- pNetName[strlen(pNetName) - 4] = 0;
- pNet = Abc_NtkFindNet( pNtk, pNetName );
- assert( pNet );
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- while ( strcmp( vTokens->pArray[0], "portRef" ) == 0 )
- {
- if ( strcmp( pNetName, vTokens->pArray[3] ) != 0 )
- {
- pFanout = Abc_NtkFindNet( pNtk, vTokens->pArray[3] );
- Abc_ObjAddFanin( Abc_ObjFanin0(pFanout), pNet );
- }
- vTokens = Extra_FileReaderGetTokens(p);
- }
- fTokensReady = 1;
- }
- else if ( strcmp( vTokens->pArray[0], "library" ) == 0 )
- {
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- vTokens = Extra_FileReaderGetTokens(p);
- while ( strcmp( vTokens->pArray[0], "port" ) == 0 )
- {
- pNetName = vTokens->pArray[1];
- if ( strcmp( pNetName, "CK" ) == 0 || strcmp( pNetName, "RESET" ) == 0 )
- {
- vTokens = Extra_FileReaderGetTokens(p);
- continue;
- }
- if ( strcmp( pNetName + strlen(pNetName) - 3, "_PO" ) == 0 )
- pNetName[strlen(pNetName) - 3] = 0;
- if ( strcmp( vTokens->pArray[3], "INPUT" ) == 0 )
- Io_ReadCreatePi( pNtk, vTokens->pArray[1] );
- else if ( strcmp( vTokens->pArray[3], "OUTPUT" ) == 0 )
- Io_ReadCreatePo( pNtk, vTokens->pArray[1] );
- else
- {
- printf( "%s (line %d): Wrong interface specification.\n", Extra_FileReaderGetFileName(p), iLine );
- Abc_NtkDelete( pNtk );
- return NULL;
- }
- vTokens = Extra_FileReaderGetTokens(p);
- }
- }
- else if ( strcmp( vTokens->pArray[0], "design" ) == 0 )
- {
- free( pNtk->pName );
- pNtk->pName = Extra_UtilStrsav( vTokens->pArray[3] );
- break;
- }
- }
- Extra_ProgressBarStop( pProgress );
-
- // assign logic functions
- Abc_NtkForEachNode( pNtk, pObj, i )
- {
- if ( strncmp( pObj->pData, "And", 3 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateAnd(pNtk->pManFunc, Abc_ObjFaninNum(pObj), NULL) );
- else if ( strncmp( pObj->pData, "Or", 2 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateOr(pNtk->pManFunc, Abc_ObjFaninNum(pObj), NULL) );
- else if ( strncmp( pObj->pData, "Nand", 4 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateNand(pNtk->pManFunc, Abc_ObjFaninNum(pObj)) );
- else if ( strncmp( pObj->pData, "Nor", 3 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateNor(pNtk->pManFunc, Abc_ObjFaninNum(pObj)) );
- else if ( strncmp( pObj->pData, "Exor", 4 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateXor(pNtk->pManFunc, Abc_ObjFaninNum(pObj)) );
- else if ( strncmp( pObj->pData, "Exnor", 5 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateNxor(pNtk->pManFunc, Abc_ObjFaninNum(pObj)) );
- else if ( strncmp( pObj->pData, "Inv", 3 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateInv(pNtk->pManFunc) );
- else if ( strncmp( pObj->pData, "Buf", 3 ) == 0 )
- Abc_ObjSetData( pObj, Abc_SopCreateBuf(pNtk->pManFunc) );
- else
- {
- printf( "%s: Unknown gate type \"%s\".\n", Extra_FileReaderGetFileName(p), pObj->pData );
- Abc_NtkDelete( pNtk );
- return NULL;
- }
- }
- // check if constants have been added
-// if ( pNet = Abc_NtkFindNet( pNtk, "VDD" ) )
-// Io_ReadCreateConst( pNtk, "VDD", 1 );
-// if ( pNet = Abc_NtkFindNet( pNtk, "GND" ) )
-// Io_ReadCreateConst( pNtk, "GND", 0 );
-
- Abc_NtkFinalizeRead( pNtk );
- return pNtk;
-}
-
-////////////////////////////////////////////////////////////////////////
-/// END OF FILE ///
-////////////////////////////////////////////////////////////////////////
-
-
-