🔧

vendor/psy/psysh/src/Reflection/ReflectionConstant.php

@@ -12,19 +12,159 @@
 namespace Psy\Reflection;
 
 /**
- * @deprecated ReflectionConstant is now ReflectionClassConstant. This class
- *             name will be reclaimed in the next stable release, to be used for
- *             ReflectionConstant_ :)
+ * Somehow the standard reflection library doesn't include constants.
+ *
+ * ReflectionConstant corrects that omission.
  */
-class ReflectionConstant extends ReflectionClassConstant
+class ReflectionConstant implements \Reflector
 {
-    /**
-     * {inheritDoc}.
-     */
-    public function __construct($class, $name)
-    {
-        @\trigger_error('ReflectionConstant is now ReflectionClassConstant', \E_USER_DEPRECATED);
+    public $name;
+    private $value;
 
-        parent::__construct($class, $name);
+    private static $magicConstants = [
+        '__LINE__',
+        '__FILE__',
+        '__DIR__',
+        '__FUNCTION__',
+        '__CLASS__',
+        '__TRAIT__',
+        '__METHOD__',
+        '__NAMESPACE__',
+        '__COMPILER_HALT_OFFSET__',
+    ];
+
+    /**
+     * Construct a ReflectionConstant object.
+     *
+     * @param string $name
+     */
+    public function __construct(string $name)
+    {
+        $this->name = $name;
+
+        if (!\defined($name) && !self::isMagicConstant($name)) {
+            throw new \InvalidArgumentException('Unknown constant: '.$name);
+        }
+
+        if (!self::isMagicConstant($name)) {
+            $this->value = @\constant($name);
+        }
+    }
+
+    /**
+     * Exports a reflection.
+     *
+     * @param string $name
+     * @param bool   $return pass true to return the export, as opposed to emitting it
+     *
+     * @return string|null
+     */
+    public static function export(string $name, bool $return = false)
+    {
+        $refl = new self($name);
+        $value = $refl->getValue();
+
+        $str = \sprintf('Constant [ %s %s ] { %s }', \gettype($value), $refl->getName(), $value);
+
+        if ($return) {
+            return $str;
+        }
+
+        echo $str."\n";
+    }
+
+    public static function isMagicConstant($name)
+    {
+        return \in_array($name, self::$magicConstants);
+    }
+
+    /**
+     * Get the constant's docblock.
+     *
+     * @return false
+     */
+    public function getDocComment(): bool
+    {
+        return false;
+    }
+
+    /**
+     * Gets the constant name.
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * Gets the namespace name.
+     *
+     * Returns '' when the constant is not namespaced.
+     */
+    public function getNamespaceName(): string
+    {
+        if (!$this->inNamespace()) {
+            return '';
+        }
+
+        return \preg_replace('/\\\\[^\\\\]+$/', '', $this->name);
+    }
+
+    /**
+     * Gets the value of the constant.
+     *
+     * @return mixed
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * Checks if this constant is defined in a namespace.
+     */
+    public function inNamespace(): bool
+    {
+        return \strpos($this->name, '\\') !== false;
+    }
+
+    /**
+     * To string.
+     */
+    public function __toString(): string
+    {
+        return $this->getName();
+    }
+
+    /**
+     * Gets the constant's file name.
+     *
+     * Currently returns null, because if it returns a file name the signature
+     * formatter will barf.
+     */
+    public function getFileName()
+    {
+        return;
+        // return $this->class->getFileName();
+    }
+
+    /**
+     * Get the code start line.
+     *
+     * @throws \RuntimeException
+     */
+    public function getStartLine()
+    {
+        throw new \RuntimeException('Not yet implemented because it\'s unclear what I should do here :)');
+    }
+
+    /**
+     * Get the code end line.
+     *
+     * @throws \RuntimeException
+     */
+    public function getEndLine()
+    {
+        return $this->getStartLine();
     }
 }