@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		ProcedureCallNode other = (ProcedureCallNode) obj;
		if (actualParameters == null) {
			if (other.actualParameters != null)
				return false;
		} else if (!actualParameters.equals(other.actualParameters))
			return false;
		if (ident == null) {
			if (other.ident != null)
				return false;
		} else if (!ident.equals(other.ident))
			return false;
		return true;
	}