Example #1
0
static void
check_tree (ipa_reference_local_vars_info_t local, tree t, bool checking_write)
{
  if ((TREE_CODE (t) == EXC_PTR_EXPR) || (TREE_CODE (t) == FILTER_EXPR))
    return;

  while (TREE_CODE (t) == REALPART_EXPR 
         || TREE_CODE (t) == IMAGPART_EXPR
         || handled_component_p (t))
    {
      if (TREE_CODE (t) == ARRAY_REF)
        check_operand (local, TREE_OPERAND (t, 1), false);
      t = TREE_OPERAND (t, 0);
    }

  /* The bottom of an indirect reference can only be read, not
     written.  So just recurse and whatever we find, check it against
     the read bitmaps.  */

  /*  if (INDIRECT_REF_P (t) || TREE_CODE (t) == MEM_REF) */
  /* FIXME when we have array_ref's of pointers.  */
  if (INDIRECT_REF_P (t))
    check_tree (local, TREE_OPERAND (t, 0), false);

  if (SSA_VAR_P (t))
    check_operand (local, t, checking_write);
}
/*INFIX TO POSTFIX CONVERSION ALGO*/
void conversion(stack *s, char *ch,char *postfix)
{
	int i=0,k=0;
	while(ch[i]!='\0')
	{
		if(check_operand(ch[i]))
		{
			postfix[k]=ch[i];
			k++;
		}
		else
		{
			while(!empty_stack(s)&&precedence(s->item[s->top],ch[i]))
			{
				char c=pop(s);
				postfix[k]=c;
				k++;
			}
			push(s,ch[i]);
		}
		i++;
	}
	while(!empty_stack(s))
	{
		char c=pop(s);
		postfix[k]=c;
		k++;
	}
	postfix[k]='\0';
}
Example #3
0
void	organize_toklist(t_node **tree, t_token **toklist, int pos, int prio)
{
	t_ope	operand;
	t_token	*tmp;

	tmp = *toklist;
	operand = init_operand(-1, NULL);
	while (tmp)
	{
		if (!tmp->type || ((operand = check_operand(tmp->type)).name
			&& operand.prio == prio))
			break ;
		tmp = tmp->next;
	}
	if (operand.name && operand.prio == prio)
	{
		add_node(tree, new_node(tmp->type, tmp->word, pos));
		ft_strdel(&tmp->type);
		organize_toklist(tree, toklist, pos * 2, operand.prio);
		if (tmp->next)
			organize_toklist(tree, &tmp->next, pos * 2 + 1, operand.prio);
	}
	else if (prio < 4)
		organize_toklist(tree, toklist, pos, prio + 1);
	else if (*toklist && (*toklist)->type
				&& !ft_strcmp((*toklist)->type, "com"))
		add_node(tree, new_node("com", (*toklist)->word, pos));
}
Example #4
0
static void
check_tree (funct_state local, tree t, bool checking_write)
{
  if ((TREE_CODE (t) == EXC_PTR_EXPR) || (TREE_CODE (t) == FILTER_EXPR))
    return;

  /* Any tree which is volatile disqualifies thie function from being
     const or pure. */
  if (TREE_THIS_VOLATILE (t))
    {
      local->pure_const_state = IPA_NEITHER;
      return;
    }

  while (TREE_CODE (t) == REALPART_EXPR 
	 || TREE_CODE (t) == IMAGPART_EXPR
	 || handled_component_p (t))
    {
      if (TREE_CODE (t) == ARRAY_REF)
	check_operand (local, TREE_OPERAND (t, 1), false);
      t = TREE_OPERAND (t, 0);
    }

  /* The bottom of an indirect reference can only be read, not
     written.  */
  if (INDIRECT_REF_P (t))
    {
      check_tree (local, TREE_OPERAND (t, 0), false);
      
      /* Any indirect reference that occurs on the lhs
	 disqualifies the function from being pure or const. Any
	 indirect reference that occurs on the rhs disqualifies the
	 function from being const.  */
      if (checking_write) 
	{
	  local->pure_const_state = IPA_NEITHER;
	  return;
	}
      else if (local->pure_const_state == IPA_CONST)
	local->pure_const_state = IPA_PURE;
    }

  if (SSA_VAR_P (t))
    check_operand (local, t, checking_write);
}
Example #5
0
int
main(int argc, char **argv) {

    bool interactive = false;
    parse_option(argc,argv,&interactive);

    argc -= optind;
    argv += optind;

    check_operand(argc,argv);

    do_copy(argc,argv,interactive,data_copy);
	return EXIT_SUCCESS;
}
Example #6
0
void	create_toklist(t_token **toklist, char *line)
{
	char	*new_line;
	int		i;
	t_ope	operand;

	i = 0;
	operand = init_operand(-1, NULL);
	while (line[i] && !(operand = check_operand(line + i)).name)
		i++;
	if (operand.name
		&& (!ft_strcmp(operand.name, ">") || !ft_strcmp(operand.name, "<")
			|| !ft_strcmp(operand.name, ">>")))
		new_line = tokenize_redir(toklist, line);
	else if (line)
		new_line = tokenize_other(toklist, line);
	if (new_line && *new_line)
		create_toklist(toklist, new_line);
	else
		ft_strdel(&new_line);
}