/**
* Returns the value of the variable with given name in current/parent scope. If it does not
* exist, a new one is created (but not stored in scope).
*
* @param PC_Obj_MultiType $var the variable-name
* @param bool $parent whether to search in the parent scope
* @return PC_Obj_Variable the variable
*/
public function get_var($var, $parent = false)
{
if (!$var instanceof PC_Obj_MultiType) {
return $this->create_var('', $this->handle_error('$var is invalid'));
}
$name = $var->get_string();
if ($name == null) {
return $this->create_var();
}
if ($name == 'this') {
$res = PC_Obj_Variable::create_object($this->get_file(), $this->get_line(), $this->scope->get_name_of(T_CLASS_C, $parent));
return $res;
}
$scopename = $this->scope->get_name($parent);
if (!$this->vars->exists($scopename, $name)) {
$type = $this->create_unknown();
$type->set_missing_varname($name);
return $this->create_var($name, $type);
}
return $this->vars->get($scopename, $name);
}
