Add support for @implementation-alias in stubs

Closes GH-6170

Author: kocsismate

Zend/zend_exceptions.stub.php

@@ -55,40 +55,40 @@ final public function getSeverity(): int {}
 
 class Error implements Throwable
 {
-    /** @alias Exception::__clone */
+    /** @implementation-alias Exception::__clone */
     final private function __clone() {}
 
-    /** @alias Exception::__construct */
+    /** @implementation-alias Exception::__construct */
     public function __construct(string $message = UNKNOWN, int $code = 0, ?Throwable $previous = null) {}
 
-    /** @alias Exception::__wakeup */
+    /** @implementation-alias Exception::__wakeup */
     public function __wakeup() {}
 
-    /** @alias Exception::getMessage */
+    /** @implementation-alias Exception::getMessage */
     final public function getMessage(): string {}
 
     /**
      * @return int
-     * @alias Exception::getCode
+     * @implementation-alias Exception::getCode
      */
     final public function getCode() {}
 
-    /** @alias Exception::getFile */
+    /** @implementation-alias Exception::getFile */
     final public function getFile(): string {}
 
-    /** @alias Exception::getLine */
+    /** @implementation-alias Exception::getLine */
     final public function getLine(): int {}
 
-    /** @alias Exception::getTrace */
+    /** @implementation-alias Exception::getTrace */
     final public function getTrace(): array {}
 
-    /** @alias Exception::getPrevious */
+    /** @implementation-alias Exception::getPrevious */
     final public function getPrevious(): ?Throwable {}
 
-    /** @alias Exception::getTraceAsString */
+    /** @implementation-alias Exception::getTraceAsString */
     final public function getTraceAsString(): string {}
 
-    /** @alias Exception::__toString */
+    /** @implementation-alias Exception::__toString */
     public function __toString(): string {}
 }
 

Zend/zend_exceptions_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 7eb20393f4ca314324d9813983124f724189ce8a */
+ * Stub hash: d0679a3c11f089dcb31cfdfe56f0336ceba301a9 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_Throwable_getMessage, 0, 0, IS_STRING, 0)
 ZEND_END_ARG_INFO()

build/gen_stub.php

@@ -362,6 +362,8 @@ class FuncInfo {
     public $name;
     /** @var int */
     public $flags;
+    /** @var string|null */
+    public $aliasType;
     /** @var FunctionName|null */
     public $alias;
     /** @var bool */
@@ -378,6 +380,7 @@ class FuncInfo {
     public function __construct(
         FunctionName $name,
         int $flags,
+        ?string $aliasType,
         ?FunctionName $alias,
         bool $isDeprecated,
         array $args,
@@ -387,6 +390,7 @@ public function __construct(
     ) {
         $this->name = $name;
         $this->flags = $flags;
+        $this->aliasType = $aliasType;
         $this->alias = $alias;
         $this->isDeprecated = $isDeprecated;
         $this->args = $args;
@@ -617,6 +621,7 @@ function parseFunctionLike(
 ): FuncInfo {
     $comment = $func->getDocComment();
     $paramMeta = [];
+    $aliasType = null;
     $alias = null;
     $isDeprecated = false;
     $haveDocReturnType = false;
@@ -631,7 +636,8 @@ function parseFunctionLike(
                     $paramMeta[$varName] = [];
                 }
                 $paramMeta[$varName]['preferRef'] = true;
-            } else if ($tag->name === 'alias') {
+            } else if ($tag->name === 'alias' || $tag->name === 'implementation-alias') {
+                $aliasType = $tag->name;
                 $aliasParts = explode("::", $tag->getValue());
                 if (count($aliasParts) === 1) {
                     $alias = new FunctionName(null, $aliasParts[0]);
@@ -721,6 +727,7 @@ function parseFunctionLike(
     return new FuncInfo(
         $name,
         $flags,
+        $aliasType,
         $alias,
         $isDeprecated,
         $args,