comparison vendor/nikic/php-parser/lib/PhpParser/Node/Scalar/DNumber.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php declare(strict_types=1);
+
+namespace PhpParser\Node\Scalar;
+
+use PhpParser\Node\Scalar;
+
+class DNumber extends Scalar
+{
+    /** @var float Number value */
+    public $value;
+
+    /**
+     * Constructs a float number scalar node.
+     *
+     * @param float $value      Value of the number
+     * @param array $attributes Additional attributes
+     */
+    public function __construct(float $value, array $attributes = []) {
+        parent::__construct($attributes);
+        $this->value = $value;
+    }
+
+    public function getSubNodeNames() : array {
+        return ['value'];
+    }
+
+    /**
+     * @internal
+     *
+     * Parses a DNUMBER token like PHP would.
+     *
+     * @param string $str A string number
+     *
+     * @return float The parsed number
+     */
+    public static function parse(string $str) : float {
+        // if string contains any of .eE just cast it to float
+        if (false !== strpbrk($str, '.eE')) {
+            return (float) $str;
+        }
+
+        // otherwise it's an integer notation that overflowed into a float
+        // if it starts with 0 it's one of the special integer notations
+        if ('0' === $str[0]) {
+            // hex
+            if ('x' === $str[1] || 'X' === $str[1]) {
+                return hexdec($str);
+            }
+
+            // bin
+            if ('b' === $str[1] || 'B' === $str[1]) {
+                return bindec($str);
+            }
+
+            // oct
+            // substr($str, 0, strcspn($str, '89')) cuts the string at the first invalid digit (8 or 9)
+            // so that only the digits before that are used
+            return octdec(substr($str, 0, strcspn($str, '89')));
+        }
+
+        // dec
+        return (float) $str;
+    }
+    
+    public function getType() : string {
+        return 'Scalar_DNumber';
+    }
+}