Generic/CallTimePassByReference: listen to self, parent and static

This commit changes the CallTimePassByReference sniff to listen to the
T_PARENT, T_SELF, and T_STATIC tokens. From now on the sniff will
trigger errors when one of those tokens is used to instantiate a class
containing a variable passed by reference.

src/Standards/Generic/Sniffs/Functions/CallTimePassByReferenceSniff.php

@@ -28,6 +28,9 @@ public function register()
             T_STRING,
             T_VARIABLE,
             T_ANON_CLASS,
+            T_PARENT,
+            T_SELF,
+            T_STATIC,
         ];
 
     }//end register()

src/Standards/Generic/Tests/Functions/CallTimePassByReferenceUnitTest.1.inc

@@ -52,3 +52,15 @@ $instance = new MyClass(&$a);
 
 $anon = new class($a) {};
 $anon = new class(&$a) {};
+
+class Foo extends Bar {
+    function myMethod() {
+        $a = new static($var);
+        $b = new self($var);
+        $c = new parent($var);
+
+        $d = new static(&$var);
+        $e = new self(&$var);
+        $f = new parent(&$var);
+    }
+}

src/Standards/Generic/Tests/Functions/CallTimePassByReferenceUnitTest.php

@@ -45,11 +45,14 @@ public function getErrorList($testFile='CallTimePassByReferenceUnitTest.1.inc')
                 50 => 1,
                 51 => 1,
                 54 => 1,
+                62 => 1,
+                63 => 1,
+                64 => 1,
             ];
 
         default:
             return [];
-        }
+        }//end switch
 
     }//end getErrorList()