mirror of https://github.com/YosysHQ/abc.git
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
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/**Function*************************************************************
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Synopsis [Command procedure to allow for static BDD variable ordering.]
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Description [This procedure should be integrated in "abc\src\base\abci\abc.c"
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similar to how procedure Abc_CommandReorder() is currently integrated.]
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SideEffects []
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SeeAlso []
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***********************************************************************/
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int Abc_CommandOrder( Abc_Frame_t * pAbc, int argc, char ** argv )
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{
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FILE * pOut, * pErr, * pFile;
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Abc_Ntk_t * pNtk;
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char * pFileName;
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int c;
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int fReverse;
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int fVerbose;
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extern void Abc_NtkImplementCiOrder( Abc_Ntk_t * pNtk, char * pFileName, int fReverse, int fVerbose );
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extern void Abc_NtkFindCiOrder( Abc_Ntk_t * pNtk, int fReverse, int fVerbose );
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pNtk = Abc_FrameReadNtk(pAbc);
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pOut = Abc_FrameReadOut(pAbc);
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pErr = Abc_FrameReadErr(pAbc);
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// set defaults
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fReverse = 0;
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fVerbose = 0;
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Extra_UtilGetoptReset();
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while ( ( c = Extra_UtilGetopt( argc, argv, "rvh" ) ) != EOF )
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{
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switch ( c )
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{
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case 'r':
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fReverse ^= 1;
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break;
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case 'v':
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fVerbose ^= 1;
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break;
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case 'h':
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goto usage;
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default:
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goto usage;
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}
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}
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if ( pNtk == NULL )
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{
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fprintf( pErr, "Empty network.\n" );
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return 1;
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}
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// if the var order file is given, implement this order
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pFileName = NULL;
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if ( argc == globalUtilOptind + 1 )
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{
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pFileName = argv[globalUtilOptind];
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pFile = fopen( pFileName, "r" );
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if ( pFile == NULL )
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{
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fprintf( pErr, "Cannot open file \"%s\" with the BDD variable order.\n", pFileName );
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return 1;
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}
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fclose( pFile );
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}
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if ( pFileName )
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Abc_NtkImplementCiOrder( pNtk, pFileName, fReverse, fVerbose );
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else
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Abc_NtkFindCiOrder( pNtk, fReverse, fVerbose );
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return 0;
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usage:
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fprintf( pErr, "usage: order [-rvh] <file>\n" );
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fprintf( pErr, "\t computes a good static CI variable order\n" );
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fprintf( pErr, "\t-r : toggle reverse ordering [default = %s]\n", fReverse? "yes": "no" );
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fprintf( pErr, "\t-v : prints verbose information [default = %s]\n", fVerbose? "yes": "no" );
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fprintf( pErr, "\t-h : print the command usage\n");
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fprintf( pErr, "\t<file> : (optional) file with the given variable order\n" );
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return 1;
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}
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