106 lines
3.4 KiB
PHP
106 lines
3.4 KiB
PHP
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<?php declare(strict_types=1);
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namespace PhpParser\Node;
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use PhpParser\Modifiers;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\PropertyFetch;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\Stmt\Expression;
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use PhpParser\Node\Stmt\Return_;
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use PhpParser\NodeAbstract;
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class PropertyHook extends NodeAbstract implements FunctionLike {
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/** @var AttributeGroup[] PHP attribute groups */
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public array $attrGroups;
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/** @var int Modifiers */
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public int $flags;
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/** @var bool Whether hook returns by reference */
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public bool $byRef;
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/** @var Identifier Hook name */
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public Identifier $name;
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/** @var Param[] Parameters */
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public array $params;
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/** @var null|Expr|Stmt[] Hook body */
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public $body;
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/**
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* Constructs a property hook node.
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*
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* @param string|Identifier $name Hook name
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* @param null|Expr|Stmt[] $body Hook body
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* @param array{
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* flags?: int,
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* byRef?: bool,
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* params?: Param[],
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* attrGroups?: AttributeGroup[],
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* } $subNodes Array of the following optional subnodes:
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* 'flags => 0 : Flags
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* 'byRef' => false : Whether hook returns by reference
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* 'params' => array(): Parameters
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* 'attrGroups' => array(): PHP attribute groups
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* @param array<string, mixed> $attributes Additional attributes
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*/
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public function __construct($name, $body, array $subNodes = [], array $attributes = []) {
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$this->attributes = $attributes;
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$this->name = \is_string($name) ? new Identifier($name) : $name;
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$this->body = $body;
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$this->flags = $subNodes['flags'] ?? 0;
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$this->byRef = $subNodes['byRef'] ?? false;
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$this->params = $subNodes['params'] ?? [];
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$this->attrGroups = $subNodes['attrGroups'] ?? [];
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}
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public function returnsByRef(): bool {
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return $this->byRef;
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}
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public function getParams(): array {
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return $this->params;
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}
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public function getReturnType() {
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return null;
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}
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/**
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* Whether the property hook is final.
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*/
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public function isFinal(): bool {
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return (bool) ($this->flags & Modifiers::FINAL);
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}
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public function getStmts(): ?array {
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if ($this->body instanceof Expr) {
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$name = $this->name->toLowerString();
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if ($name === 'get') {
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return [new Return_($this->body)];
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}
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if ($name === 'set') {
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if (!$this->hasAttribute('propertyName')) {
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throw new \LogicException(
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'Can only use getStmts() on a "set" hook if the "propertyName" attribute is set');
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}
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$propName = $this->getAttribute('propertyName');
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$prop = new PropertyFetch(new Variable('this'), (string) $propName);
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return [new Expression(new Assign($prop, $this->body))];
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}
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throw new \LogicException('Unknown property hook "' . $name . '"');
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}
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return $this->body;
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}
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public function getAttrGroups(): array {
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return $this->attrGroups;
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}
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public function getType(): string {
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return 'PropertyHook';
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}
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public function getSubNodeNames(): array {
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return ['attrGroups', 'flags', 'byRef', 'name', 'params', 'body'];
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}
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}
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