⬆️ Upgrade lib : nikic/php-parser

We were on v3 that is no longer maintained and compatibility is annonced for PHP 7.2.
v4 is active and supports PHP up to 8.0
No problem to update as this is only used in the config editor (\Combodo\iTop\Config\Validator\iTopConfigAstValidator)

lib/nikic/php-parser/lib/PhpParser/JsonDecoder.php

@@ -0,0 +1,103 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser;
+
+class JsonDecoder
+{
+    /** @var \ReflectionClass[] Node type to reflection class map */
+    private $reflectionClassCache;
+
+    public function decode(string $json) {
+        $value = json_decode($json, true);
+        if (json_last_error()) {
+            throw new \RuntimeException('JSON decoding error: ' . json_last_error_msg());
+        }
+
+        return $this->decodeRecursive($value);
+    }
+
+    private function decodeRecursive($value) {
+        if (\is_array($value)) {
+            if (isset($value['nodeType'])) {
+                if ($value['nodeType'] === 'Comment' || $value['nodeType'] === 'Comment_Doc') {
+                    return $this->decodeComment($value);
+                }
+                return $this->decodeNode($value);
+            }
+            return $this->decodeArray($value);
+        }
+        return $value;
+    }
+
+    private function decodeArray(array $array) : array {
+        $decodedArray = [];
+        foreach ($array as $key => $value) {
+            $decodedArray[$key] = $this->decodeRecursive($value);
+        }
+        return $decodedArray;
+    }
+
+    private function decodeNode(array $value) : Node {
+        $nodeType = $value['nodeType'];
+        if (!\is_string($nodeType)) {
+            throw new \RuntimeException('Node type must be a string');
+        }
+
+        $reflectionClass = $this->reflectionClassFromNodeType($nodeType);
+        /** @var Node $node */
+        $node = $reflectionClass->newInstanceWithoutConstructor();
+
+        if (isset($value['attributes'])) {
+            if (!\is_array($value['attributes'])) {
+                throw new \RuntimeException('Attributes must be an array');
+            }
+
+            $node->setAttributes($this->decodeArray($value['attributes']));
+        }
+
+        foreach ($value as $name => $subNode) {
+            if ($name === 'nodeType' || $name === 'attributes') {
+                continue;
+            }
+
+            $node->$name = $this->decodeRecursive($subNode);
+        }
+
+        return $node;
+    }
+
+    private function decodeComment(array $value) : Comment {
+        $className = $value['nodeType'] === 'Comment' ? Comment::class : Comment\Doc::class;
+        if (!isset($value['text'])) {
+            throw new \RuntimeException('Comment must have text');
+        }
+
+        return new $className(
+            $value['text'],
+            $value['line'] ?? -1, $value['filePos'] ?? -1, $value['tokenPos'] ?? -1,
+            $value['endLine'] ?? -1, $value['endFilePos'] ?? -1, $value['endTokenPos'] ?? -1
+        );
+    }
+
+    private function reflectionClassFromNodeType(string $nodeType) : \ReflectionClass {
+        if (!isset($this->reflectionClassCache[$nodeType])) {
+            $className = $this->classNameFromNodeType($nodeType);
+            $this->reflectionClassCache[$nodeType] = new \ReflectionClass($className);
+        }
+        return $this->reflectionClassCache[$nodeType];
+    }
+
+    private function classNameFromNodeType(string $nodeType) : string {
+        $className = 'PhpParser\\Node\\' . strtr($nodeType, '_', '\\');
+        if (class_exists($className)) {
+            return $className;
+        }
+
+        $className .= '_';
+        if (class_exists($className)) {
+            return $className;
+        }
+
+        throw new \RuntimeException("Unknown node type \"$nodeType\"");
+    }
+}