fixed @return when returning this or static

Author: fabpot

Exception/SyntaxErrorException.php

@@ -27,7 +27,7 @@ class SyntaxErrorException extends ParseException
      * @param string $expectedValue
      * @param Token  $foundToken
      *
-     * @return SyntaxErrorException
+     * @return self
      */
     public static function unexpectedToken($expectedValue, Token $foundToken)
     {
@@ -38,7 +38,7 @@ public static function unexpectedToken($expectedValue, Token $foundToken)
      * @param string $pseudoElement
      * @param string $unexpectedLocation
      *
-     * @return SyntaxErrorException
+     * @return self
      */
     public static function pseudoElementFound($pseudoElement, $unexpectedLocation)
     {
@@ -48,23 +48,23 @@ public static function pseudoElementFound($pseudoElement, $unexpectedLocation)
     /**
      * @param int $position
      *
-     * @return SyntaxErrorException
+     * @return self
      */
     public static function unclosedString($position)
     {
         return new self(sprintf('Unclosed/invalid string at %s.', $position));
     }
 
     /**
-     * @return SyntaxErrorException
+     * @return self
      */
     public static function nestedNot()
     {
         return new self('Got nested ::not().');
     }
 
     /**
-     * @return SyntaxErrorException
+     * @return self
      */
     public static function stringAsFunctionArgument()
     {

Node/Specificity.php

@@ -59,7 +59,7 @@ public function __construct($a, $b, $c)
     /**
      * @param Specificity $specificity
      *
-     * @return Specificity
+     * @return self
      */
     public function plus(Specificity $specificity)
     {

Parser/TokenStream.php

@@ -59,7 +59,7 @@ class TokenStream
      *
      * @param Token $token
      *
-     * @return TokenStream
+     * @return $this
      */
     public function push(Token $token)
     {
@@ -71,7 +71,7 @@ public function push(Token $token)
     /**
      * Freezes stream.
      *
-     * @return TokenStream
+     * @return $this
      */
     public function freeze()
     {

XPath/Extension/NodeExtension.php

@@ -48,7 +48,7 @@ public function __construct($flags = 0)
      * @param int  $flag
      * @param bool $on
      *
-     * @return NodeExtension
+     * @return $this
      */
     public function setFlag($flag, $on)
     {

XPath/Translator.php

@@ -144,7 +144,7 @@ public function selectorToXPath(SelectorNode $selector, $prefix = 'descendant-or
      *
      * @param Extension\ExtensionInterface $extension
      *
-     * @return Translator
+     * @return $this
      */
     public function registerExtension(Extension\ExtensionInterface $extension)
     {
@@ -180,7 +180,7 @@ public function getExtension($name)
      *
      * @param ParserInterface $shortcut
      *
-     * @return Translator
+     * @return $this
      */
     public function registerParserShortcut(ParserInterface $shortcut)
     {

XPath/XPathExpr.php

@@ -64,7 +64,7 @@ public function getElement()
     /**
      * @param $condition
      *
-     * @return XPathExpr
+     * @return $this
      */
     public function addCondition($condition)
     {
@@ -82,7 +82,7 @@ public function getCondition()
     }
 
     /**
-     * @return XPathExpr
+     * @return $this
      */
     public function addNameTest()
     {
@@ -95,7 +95,7 @@ public function addNameTest()
     }
 
     /**
-     * @return XPathExpr
+     * @return $this
      */
     public function addStarPrefix()
     {
@@ -110,7 +110,7 @@ public function addStarPrefix()
      * @param string    $combiner
      * @param XPathExpr $expr
      *
-     * @return XPathExpr
+     * @return $this
      */
     public function join($combiner, XPathExpr $expr)
     {