php-parser/lib/PhpParser/Node/Stmt/Class.php

107 lines
3.5 KiB
PHP

<?php
namespace PhpParser\Node\Stmt;
use PhpParser\Node;
use PhpParser\Error;
/**
* @property int $type Type
* @property string $name Name
* @property null|Node\Name $extends Name of extended class
* @property Node\Name[] $implements Names of implemented interfaces
* @property Node[] $stmts Statements
*/
class Class_ extends Node\Stmt
{
const MODIFIER_PUBLIC = 1;
const MODIFIER_PROTECTED = 2;
const MODIFIER_PRIVATE = 4;
const MODIFIER_STATIC = 8;
const MODIFIER_ABSTRACT = 16;
const MODIFIER_FINAL = 32;
protected static $specialNames = array(
'self' => true,
'parent' => true,
'static' => true,
);
/**
* Constructs a class node.
*
* @param string $name Name
* @param array $subNodes Array of the following optional subnodes:
* 'type' => 0 : Type
* 'extends' => null : Name of extended class
* 'implements' => array(): Names of implemented interfaces
* 'stmts' => array(): Statements
* @param array $attributes Additional attributes
*/
public function __construct($name, array $subNodes = array(), array $attributes = array()) {
parent::__construct(
$subNodes + array(
'type' => 0,
'extends' => null,
'implements' => array(),
'stmts' => array(),
),
$attributes
);
$this->name = $name;
if (isset(self::$specialNames[(string) $this->name])) {
throw new Error(sprintf('Cannot use "%s" as class name as it is reserved', $this->name));
}
if (isset(self::$specialNames[(string) $this->extends])) {
throw new Error(sprintf('Cannot use "%s" as class name as it is reserved', $this->extends));
}
foreach ($this->implements as $interface) {
if (isset(self::$specialNames[(string) $interface])) {
throw new Error(sprintf('Cannot use "%s" as interface name as it is reserved', $interface));
}
}
}
public function isAbstract() {
return (bool) ($this->type & self::MODIFIER_ABSTRACT);
}
public function isFinal() {
return (bool) ($this->type & self::MODIFIER_FINAL);
}
public function getMethods() {
$methods = array();
foreach ($this->stmts as $stmt) {
if ($stmt instanceof ClassMethod) {
$methods[] = $stmt;
}
}
return $methods;
}
public static function verifyModifier($a, $b) {
if ($a & 7 && $b & 7) {
throw new Error('Multiple access type modifiers are not allowed');
}
if ($a & self::MODIFIER_ABSTRACT && $b & self::MODIFIER_ABSTRACT) {
throw new Error('Multiple abstract modifiers are not allowed');
}
if ($a & self::MODIFIER_STATIC && $b & self::MODIFIER_STATIC) {
throw new Error('Multiple static modifiers are not allowed');
}
if ($a & self::MODIFIER_FINAL && $b & self::MODIFIER_FINAL) {
throw new Error('Multiple final modifiers are not allowed');
}
if ($a & 48 && $b & 48) {
throw new Error('Cannot use the final and abstract modifier at the same time');
}
}
}