/**
* Remove the visibility modifier.
*/
protected function removeVisibility()
{
// Remove whitespace after visibility keyword.
$this->visibility->next()->remove();
// Remove visibility keyword.
$this->visibility->remove();
}
/**
* @param boolean $is_reference
* @return $this
*/
public function setReference($is_reference)
{
if ($is_reference) {
if (!isset($this->reference)) {
/** @var \Pharborist\Functions\FunctionDeclarationNode|\Pharborist\Objects\ClassMethodNode|\Pharborist\Objects\InterfaceMethodNode $this */
$this->reference = Token::reference();
$this->name->before($this->reference);
}
} else {
if (isset($this->reference)) {
$this->reference->remove();
}
}
return $this;
}
public function clearLexicalVariables()
{
if ($this->hasLexicalVariables()) {
$this->lexicalUse->nextUntil(Filter::is($this->body))->remove();
$this->lexicalUse->remove();
}
}
/**
* @param boolean $is_static
*
* @return $this
*/
public function setStatic($is_static)
{
if ($is_static) {
if (!isset($this->static)) {
$this->static = Token::_static();
$this->visibility->after([Token::space(), $this->static]);
}
} else {
if (isset($this->static)) {
// Remove whitespace after static keyword.
$this->static->next()->remove();
// Remove static keyword.
$this->static->remove();
}
}
return $this;
}
/**
* @param boolean $is_static
* @return $this
*/
public function setStatic($is_static)
{
if ($is_static) {
if (!isset($this->static)) {
// Insert before T_FUNCTION.
$function_token = $this->name->previous()->previous();
$this->static = Token::_static();
$function_token->before([$this->static, Token::space()]);
}
} else {
if (isset($this->static)) {
// Remove whitespace after static keyword.
$this->static->next()->remove();
// Remove static keyword.
$this->static->remove();
}
}
return $this;
}
/**
* @param boolean $is_variadic
* @return $this
*/
public function setVariadic($is_variadic)
{
if ($is_variadic) {
if (!isset($this->variadic)) {
$this->variadic = Token::splat();
$this->name->before($this->variadic);
}
} else {
if (isset($this->variadic)) {
$this->variadic->remove();
}
}
}
/**
* @param boolean $is_final
* @return $this
*/
public function setFinal($is_final)
{
if ($is_final) {
if (!isset($this->final)) {
$this->final = Token::_final();
$this->prepend([$this->final, Token::space()]);
$this->setAbstract(FALSE);
}
} else {
if (isset($this->final)) {
// Remove whitespace.
$this->final->next()->remove();
// Remove final.
$this->final->remove();
}
}
return $this;
}
/**
* Sets the imported item's alias. If NULL is passed, the alias is removed.
*
* @param \Pharborist\TokenNode|string|NULL $alias
*
* @return $this
*/
public function setAlias($alias)
{
if (is_string($alias)) {
$alias = new TokenNode(T_STRING, $alias);
}
if ($alias instanceof TokenNode) {
if ($this->hasAlias()) {
$this->alias->replaceWith($alias);
} else {
$this->alias = $alias;
$this->addChild(WhitespaceNode::create(' '));
$this->addChild(Token::_as());
$this->addChild(WhitespaceNode::create(' '));
$this->addChild($alias, 'alias');
}
} elseif ($alias === NULL && $this->hasAlias()) {
$this->alias->previousUntil(Filter::isInstanceOf('\\Pharborist\\Namespaces\\NameNode'))->remove();
$this->alias->remove();
$this->alias = NULL;
} else {
throw new \InvalidArgumentException();
}
return $this;
}