Improve code style for php8 types

To reduce the number of checks we define the php 8 defined constants
and expect them to be available in the rest of the code.

Author: jaapio

composer-require-config.json

@@ -2,7 +2,8 @@
   "symbol-whitelist" : [
     "null", "true", "false",
     "static", "self", "parent",
-    "array", "string", "int", "float", "bool", "iterable", "callable", "void", "object", "XSLTProcessor"
+    "array", "string", "int", "float", "bool", "iterable", "callable", "void", "object", "XSLTProcessor",
+    "T_NAME_QUALIFIED", "T_NAME_FULLY_QUALIFIED"
   ],
   "php-core-extensions" : [
     "Core",

src/Types/ContextFactory.php

@@ -23,11 +23,15 @@
 use Reflector;
 use RuntimeException;
 use UnexpectedValueException;
+use function define;
+use function defined;
 use function file_exists;
 use function file_get_contents;
 use function get_class;
 use function in_array;
 use function is_string;
+use function strrpos;
+use function substr;
 use function token_get_all;
 use function trim;
 use const T_AS;
@@ -39,6 +43,14 @@
 use const T_STRING;
 use const T_USE;
 
+if (!defined('T_NAME_QUALIFIED')) {
+    define('T_NAME_QUALIFIED', 'T_NAME_QUALIFIED');
+}
+
+if (!defined('T_NAME_FULLY_QUALIFIED')) {
+    define('T_NAME_FULLY_QUALIFIED', 'T_NAME_FULLY_QUALIFIED');
+}
+
 /**
  * Convenience class to create a Context for DocBlocks when not using the Reflection Component of phpDocumentor.
  *
@@ -221,7 +233,8 @@ private function parseNamespace(ArrayIterator $tokens) : string
         $this->skipToNextStringOrNamespaceSeparator($tokens);
 
         $name = '';
-        while ($tokens->valid() && (in_array($tokens->current()[0], [T_STRING, T_NS_SEPARATOR], true) || defined('T_NAME_QUALIFIED') && T_NAME_QUALIFIED === $tokens->current()[0])) {
+        $acceptedTokens = [T_STRING, T_NS_SEPARATOR, T_NAME_QUALIFIED];
+        while ($tokens->valid() && in_array($tokens->current()[0], $acceptedTokens, true)) {
             $name .= $tokens->current()[1];
             $tokens->next();
         }
@@ -268,11 +281,11 @@ private function skipToNextStringOrNamespaceSeparator(ArrayIterator $tokens) : v
                 break;
             }
 
-            if (defined('T_NAME_QUALIFIED') && T_NAME_QUALIFIED === $currentToken[0]) {
+            if ($currentToken[0] === T_NAME_QUALIFIED) {
                 break;
             }
 
-            if (defined('T_NAME_FULLY_QUALIFIED') && T_NAME_FULLY_QUALIFIED === $currentToken[0]) {
+            if (defined('T_NAME_FULLY_QUALIFIED') && $currentToken[0] === T_NAME_FULLY_QUALIFIED) {
                 break;
             }
 
@@ -312,6 +325,14 @@ private function extractUseStatements(ArrayIterator $tokens) : array
                             $currentNs   .= (string) $tokenValue;
                             $currentAlias =  $tokenValue;
                             break;
+                        case T_NAME_QUALIFIED:
+                        case T_NAME_FULLY_QUALIFIED:
+                            $currentNs   .= (string) $tokenValue;
+                            $currentAlias = substr(
+                                (string) $tokenValue,
+                                (int) (strrpos((string) $tokenValue, '\\')) + 1
+                            );
+                            break;
                         case T_CURLY_OPEN:
                         case '{':
                             $state     = 'grouped';
@@ -325,13 +346,6 @@ private function extractUseStatements(ArrayIterator $tokens) : array
                             $state = 'end';
                             break;
                         default:
-                            if (defined('T_NAME_QUALIFIED') && T_NAME_QUALIFIED === $tokenId) {
-                                $currentNs .= (string)$tokenValue;
-                                $currentAlias = substr($tokenValue, strrpos($tokenValue, '\\') + 1);
-                            } elseif (defined('T_NAME_FULLY_QUALIFIED') && T_NAME_FULLY_QUALIFIED === $tokenId) {
-                                $currentNs   .= (string) $tokenValue;
-                                $currentAlias =  substr($tokenValue, strrpos($tokenValue, '\\') + 1);
-                            }
                             break;
                     }