Exemplos de print_first_derives em C++ (Cpp)

Exemplo n.º 1

Arquivo: closure.c Projeto: GerHobbelt/BtYacc

void set_first_derives(void)
{
  register unsigned *rrow;
  register unsigned *vrow;
  register int j;
  register unsigned mask;
  register unsigned cword;
  register Yshort *rp;

  int rule;
  int i;
  int rulesetsize;
  int varsetsize;

  rulesetsize = WORDSIZE(nrules);
  varsetsize = WORDSIZE(nvars);
  first_derives = NEW2(nvars * rulesetsize, first_derives[0]);
  first_derives -= ntokens * rulesetsize;

  set_EFF();

  rrow = first_derives + ntokens * rulesetsize;

  for (i = start_symbol; i < nsyms; ++i)
    {
      vrow = EFF + ((i - ntokens) * varsetsize);
      cword = *vrow++;
      mask = 1;

      for (j = start_symbol; j < nsyms; ++j)
        {
          if (cword & mask)
            {
              rp = derives[j];
              while ((rule = *rp++) >= 0)
                {
                  SETBIT(rrow, rule);
                }
            }

          mask <<= 1;
          if (mask == 0)
            {
              cword = *vrow++;
              mask = 1;
            }
        }

      vrow += varsetsize;
      rrow += rulesetsize;
    }

    if (tflag > 1)
        print_first_derives();

  FREE(EFF);
}

Exemplo n.º 2

Arquivo: closure.c Projeto: darkrock/ferite-yacc

void set_first_derives(void)
{
    unsigned *rrow;
    unsigned *vrow;
    int j;
    unsigned mask;
    unsigned cword;
    short *rp;

    int rule;
    int i;
    int rulesetsize;
    int varsetsize;

    rulesetsize = WORDSIZE(nrules);
    varsetsize = WORDSIZE(nvars);
    first_derives = NEW2(nvars * rulesetsize, unsigned) - ntokens * rulesetsize;

    set_EFF();

    rrow = first_derives + ntokens * rulesetsize;
    for (i = start_symbol; i < nsyms; i++)
    {
	vrow = EFF + ((i - ntokens) * varsetsize);
	cword = *vrow++;
	mask = 1;
	for (j = start_symbol; j < nsyms; j++)
	{
	    if (cword & mask)
	    {
		rp = derives[j];
		while ((rule = *rp++) >= 0)
		{
		    SETBIT(rrow, rule);
		}
	    }

	    mask <<= 1;
	    if (mask == 0)
	    {
		cword = *vrow++;
		mask = 1;
	    }
	}

	vrow += varsetsize;
	rrow += rulesetsize;
    }

#ifdef	DEBUG
    print_first_derives();
#endif

    FREE(EFF);
}

Exemplo n.º 3

Arquivo: closure.c Projeto: IIJ-NetBSD/netbsd-src

void
set_first_derives(void)
{
    unsigned *rrow;
    unsigned *vrow;
    int j;
    unsigned k;
    unsigned cword = 0;
    Value_t *rp;

    int rule;
    int i;
    int rulesetsize;
    int varsetsize;

    rulesetsize = WORDSIZE(nrules);
    varsetsize = WORDSIZE(nvars);
    first_base = NEW2(nvars * rulesetsize, unsigned);
    first_derives = first_base - ntokens * rulesetsize;

    set_EFF();

    rrow = first_derives + ntokens * rulesetsize;
    for (i = start_symbol; i < nsyms; i++)
    {
	vrow = EFF + ((i - ntokens) * varsetsize);
	k = BITS_PER_WORD;
	for (j = start_symbol; j < nsyms; k++, j++)
	{
	    if (k >= BITS_PER_WORD)
	    {
		cword = *vrow++;
		k = 0;
	    }

	    if (cword & (unsigned)(1 << k))
	    {
		rp = derives[j];
		while ((rule = *rp++) >= 0)
		{
		    SETBIT(rrow, rule);
		}
	    }
	}

	rrow += rulesetsize;
    }

#ifdef	DEBUG
    print_first_derives();
#endif

    FREE(EFF);
}