C++ (Cpp) reflexive_transitive_closure Examples

Example #1

File: closure.c Project: darkrock/ferite-yacc

void set_EFF(void)
{
    unsigned *row;
    int symbol;
    short *sp;
    int rowsize;
    int i;
    int rule;

    rowsize = WORDSIZE(nvars);
    EFF = NEW2(nvars * rowsize, unsigned);

    row = EFF;
    for (i = start_symbol; i < nsyms; i++)
    {
	sp = derives[i];
	for (rule = *sp; rule > 0; rule = *++sp)
	{
	    symbol = ritem[rrhs[rule]];
	    if (ISVAR(symbol))
	    {
		symbol -= start_symbol;
		SETBIT(row, symbol);
	    }
	}
	row += rowsize;
    }

    reflexive_transitive_closure(EFF, nvars);

#ifdef	DEBUG
    print_EFF();
#endif
}

Example #2

File: closure.c Project: GerHobbelt/BtYacc

static void set_EFF(void)
{
    register unsigned *row;
    register Yshort symbol;
    register Yshort *sp;
    register int rowsize;
    register int i;
    register int rule;

    rowsize = WORDSIZE(nvars);
    EFF = NEW2(nvars * rowsize, EFF[0]);

    row = EFF;

    for (i = start_symbol; i < nsyms; ++i)
    {
        sp = derives[i];
        for (rule = *sp; rule > 0; rule = *++sp)
        {
            symbol = ritem[rrhs[rule]];
            if (ISVAR(symbol))
            {
                symbol -= start_symbol;
                SETBIT(row, symbol);
            }
        }
        row += rowsize;
    }

    reflexive_transitive_closure(EFF, nvars);

    if (tflag > 1)
        print_EFF();
}