C++ (Cpp) dec_level Examples

Example #1

File: pub3debug.C Project: aosmith/okws

 void
 dumper_t::end_obj ()
 {
   dec_level ();
   dump ("}", true);
 }

Example #2

File: gbc_trans_tree.c Project: ramonelalto/gambas

static void analyze_expr(short priority, short op_main)
{
	short op, op_curr, op_not;
	short prio;
	short nparam;

	inc_level();

	op_curr = op_main;
	op_not = RS_NONE;
	nparam = (op_main == RS_NONE || op_main == RS_UNARY) ? 0 : 1;

	if (PATTERN_is(*current, RS_NEW))
		THROW("Cannot use NEW operator there");

READ_OPERAND:

	//analyze_expr_check_first(op_curr);

	analyze_single(op_curr);
	nparam++;

	if (nparam > MAX_PARAM_OP)
		THROW("Expression too complex. Too many operands");

READ_OPERATOR:

	if (!PATTERN_is_reserved(*current))
		goto OPERATOR_END;

	op = PATTERN_index(*current);

	if (!RES_is_operator(op))
		goto OPERATOR_END;

	if (op == RS_AND || op == RS_OR)
		if (PATTERN_is(current[1], RS_IF))
			goto OPERATOR_END;

	current++;
	
	if (op == RS_NOT && PATTERN_is_reserved(*current))
	{
		op_not = PATTERN_index(*current);
		if (RES_is_operator(op_not) && RES_can_have_not_before(op_not))
		{
			op = op_not + 1;
			current++;
		}
	}
	
	if (priority)
		prio = priority;
	else if (op_curr == RS_NONE)
		prio = 0;
	else
		prio = RES_priority(op_curr);

	if (op_curr == RS_NONE)
	{
		if (RES_is_binary(op) || RES_is_n_ary(op))
		{
			op_curr = op;
			goto READ_OPERAND;
		}
	}

	if (op_curr == op)
	{
		if (!(RES_is_binary(op) && nparam == 2))
			goto READ_OPERAND;
	}

	if (RES_priority(op) > prio)
	{
		if (op == RS_LSQR)
			analyze_array();
		else if (op == RS_LBRA)
			analyze_call();
		else
			analyze_expr(RES_priority(op), op);

		goto READ_OPERATOR;
	}

	if (RES_priority(op) == prio)
	{
		add_operator(op_curr, nparam);

		if (op == RS_LSQR)
		{
			analyze_array();
			goto READ_OPERATOR;
		}
		else if (op == RS_LBRA)
		{
			analyze_call();
			goto READ_OPERATOR;
		}
		else
		{
			if (RES_is_only(op_curr) || RES_is_only(op))
				THROW("Ambiguous expression. Please use brackets");

			nparam = 1;
			op_curr = op;
			goto READ_OPERAND;
		}
	}

	if (RES_priority(op) < prio)
	{
		if ((op_main != RS_NONE) || (priority > 0))
		{
			add_operator(op_curr, nparam);
			current--;
			if (op_not != RS_NONE)
				current--;
			goto END;
		}

		add_operator(op_curr, nparam);

		if (op == RS_LSQR)
		{
			analyze_array();
			nparam = 1;
			op_curr = op_main;
			goto READ_OPERATOR;
		}
		else if (op == RS_LBRA)
		{
			analyze_call();
			nparam = 1;
			op_curr = op_main;
			goto READ_OPERATOR;
		}
		else
		{
			nparam = 1;
			op_curr = op;
			goto READ_OPERAND;
		}
	}

	dec_level();
	return;

OPERATOR_END:

	add_operator(op_curr, nparam);

END:

	dec_level();
	return;

}