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-rw-r--r--src/base/io/ioReadPla.c250
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diff --git a/src/base/io/ioReadPla.c b/src/base/io/ioReadPla.c
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+++ b/src/base/io/ioReadPla.c
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+/**CFile****************************************************************
+
+ FileName [ioReadPla.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: ioReadPla.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "io.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+static Abc_Ntk_t * Io_ReadPlaNetwork( Extra_FileReader_t * p );
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Reads the network from a PLA file.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Ntk_t * Io_ReadPla( char * pFileName, int fCheck )
+{
+ Extra_FileReader_t * p;
+ Abc_Ntk_t * pNtk;
+
+ // start the file
+ p = Extra_FileReaderAlloc( pFileName, "#", "\n\r", " \t|" );
+ if ( p == NULL )
+ return NULL;
+
+ // read the network
+ pNtk = Io_ReadPlaNetwork( 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_ReadPla: The network check has failed.\n" );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ return pNtk;
+}
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Ntk_t * Io_ReadPlaNetwork( Extra_FileReader_t * p )
+{
+ ProgressBar * pProgress;
+ Vec_Ptr_t * vTokens;
+ Abc_Ntk_t * pNtk;
+ Abc_Obj_t * pTermPi, * pTermPo, * pNode;
+ Vec_Str_t ** ppSops;
+ char Buffer[100];
+ int nInputs = -1, nOutputs = -1, nProducts = -1;
+ char * pCubeIn, * pCubeOut;
+ int i, k, iLine, nDigits, nCubes;
+
+ // allocate the empty network
+ pNtk = Abc_NtkStartRead( Extra_FileReaderGetFileName(p) );
+
+ // go through the lines of the file
+ nCubes = 0;
+ pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p) );
+ for ( iLine = 0; vTokens = Extra_FileReaderGetTokens(p); iLine++ )
+ {
+ Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p), NULL );
+
+ // if it is the end of file, quit the loop
+ if ( strcmp( vTokens->pArray[0], ".e" ) == 0 )
+ break;
+
+ if ( vTokens->nSize == 1 )
+ {
+ printf( "%s (line %d): Wrong number of token.\n",
+ Extra_FileReaderGetFileName(p), iLine+1 );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+
+ if ( strcmp( vTokens->pArray[0], ".i" ) == 0 )
+ nInputs = atoi(vTokens->pArray[1]);
+ else if ( strcmp( vTokens->pArray[0], ".o" ) == 0 )
+ nOutputs = atoi(vTokens->pArray[1]);
+ else if ( strcmp( vTokens->pArray[0], ".p" ) == 0 )
+ nProducts = atoi(vTokens->pArray[1]);
+ else if ( strcmp( vTokens->pArray[0], ".ilb" ) == 0 )
+ {
+ if ( vTokens->nSize - 1 != nInputs )
+ printf( "Warning: Mismatch between the number of PIs on the .i line (%d) and the number of PIs on the .ilb line (%d).\n", nInputs, vTokens->nSize - 1 );
+ for ( i = 1; i < vTokens->nSize; i++ )
+ Io_ReadCreatePi( pNtk, vTokens->pArray[i] );
+ }
+ else if ( strcmp( vTokens->pArray[0], ".ob" ) == 0 )
+ {
+ if ( vTokens->nSize - 1 != nOutputs )
+ printf( "Warning: Mismatch between the number of POs on the .o line (%d) and the number of POs on the .ob line (%d).\n", nOutputs, vTokens->nSize - 1 );
+ for ( i = 1; i < vTokens->nSize; i++ )
+ Io_ReadCreatePo( pNtk, vTokens->pArray[i] );
+ }
+ else
+ {
+ // check if the input/output names are given
+ if ( Abc_NtkPiNum(pNtk) == 0 )
+ {
+ if ( nInputs == -1 )
+ {
+ printf( "%s: The number of inputs is not specified.\n", Extra_FileReaderGetFileName(p) );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ nDigits = Extra_Base10Log( nInputs );
+ for ( i = 0; i < nInputs; i++ )
+ {
+ sprintf( Buffer, "x%0*d", nDigits, i );
+ Io_ReadCreatePi( pNtk, Buffer );
+ }
+ }
+ if ( Abc_NtkPoNum(pNtk) == 0 )
+ {
+ if ( nOutputs == -1 )
+ {
+ printf( "%s: The number of outputs is not specified.\n", Extra_FileReaderGetFileName(p) );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ nDigits = Extra_Base10Log( nOutputs );
+ for ( i = 0; i < nOutputs; i++ )
+ {
+ sprintf( Buffer, "z%0*d", nDigits, i );
+ Io_ReadCreatePo( pNtk, Buffer );
+ }
+ }
+ if ( Abc_NtkNodeNum(pNtk) == 0 )
+ { // first time here
+ // create the PO drivers and add them
+ // start the SOP covers
+ ppSops = ALLOC( Vec_Str_t *, nOutputs );
+ Abc_NtkForEachPo( pNtk, pTermPo, i )
+ {
+ ppSops[i] = Vec_StrAlloc( 100 );
+ // create the node
+ pNode = Abc_NtkCreateNode(pNtk);
+ // connect the node to the PO net
+ Abc_ObjAddFanin( Abc_ObjFanin0Ntk(pTermPo), pNode );
+ // connect the node to the PI nets
+ Abc_NtkForEachPi( pNtk, pTermPi, k )
+ Abc_ObjAddFanin( pNode, Abc_ObjFanout0Ntk(pTermPi) );
+ }
+ }
+ // read the cubes
+ if ( vTokens->nSize != 2 )
+ {
+ printf( "%s (line %d): Input and output cubes are not specified.\n",
+ Extra_FileReaderGetFileName(p), iLine+1 );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ pCubeIn = vTokens->pArray[0];
+ pCubeOut = vTokens->pArray[1];
+ if ( strlen(pCubeIn) != (unsigned)nInputs )
+ {
+ printf( "%s (line %d): Input cube length (%d) differs from the number of inputs (%d).\n",
+ Extra_FileReaderGetFileName(p), iLine+1, strlen(pCubeIn), nInputs );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ if ( strlen(pCubeOut) != (unsigned)nOutputs )
+ {
+ printf( "%s (line %d): Output cube length (%d) differs from the number of outputs (%d).\n",
+ Extra_FileReaderGetFileName(p), iLine+1, strlen(pCubeOut), nOutputs );
+ Abc_NtkDelete( pNtk );
+ return NULL;
+ }
+ for ( i = 0; i < nOutputs; i++ )
+ {
+ if ( pCubeOut[i] == '1' )
+ {
+ Vec_StrAppend( ppSops[i], pCubeIn );
+ Vec_StrAppend( ppSops[i], " 1\n" );
+ }
+ }
+ nCubes++;
+ }
+ }
+ Extra_ProgressBarStop( pProgress );
+ if ( nProducts != -1 && nCubes != nProducts )
+ printf( "Warning: Mismatch between the number of cubes (%d) and the number on .p line (%d).\n",
+ nCubes, nProducts );
+
+ // add the SOP covers
+ Abc_NtkForEachPo( pNtk, pTermPo, i )
+ {
+ pNode = Abc_ObjFanin0Ntk( Abc_ObjFanin0(pTermPo) );
+ if ( ppSops[i]->nSize == 0 )
+ {
+ Abc_ObjRemoveFanins(pNode);
+ pNode->pData = Abc_SopRegister( pNtk->pManFunc, " 0\n" );
+ Vec_StrFree( ppSops[i] );
+ continue;
+ }
+ Vec_StrPush( ppSops[i], 0 );
+ pNode->pData = Abc_SopRegister( pNtk->pManFunc, ppSops[i]->pArray );
+ Vec_StrFree( ppSops[i] );
+ }
+ free( ppSops );
+ Abc_NtkFinalizeRead( pNtk );
+ return pNtk;
+}
+
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+
+
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