Allow nop statements before namespace declaration

lib/PhpParser/ParserAbstract.php

@@ -463,8 +463,10 @@ abstract class ParserAbstract implements Parser
                 continue;
             }
 
-            /* declare() and __halt_compiler() can be used before a namespace declaration */
-            if ($stmt instanceof Node\Stmt\Declare_ || $stmt instanceof Node\Stmt\HaltCompiler) {
+            /* declare(), __halt_compiler() and nops can be used before a namespace declaration */
+            if ($stmt instanceof Node\Stmt\Declare_
+                || $stmt instanceof Node\Stmt\HaltCompiler
+                || $stmt instanceof Node\Stmt\Nop) {
                 continue;
             }
 

test/PhpParser/CodeTestAbstract.php

@@ -25,7 +25,7 @@ abstract class CodeTestAbstract extends \PHPUnit_Framework_TestCase
             );
 
             // parse sections
-            $parts = explode("\n-----\n", $fileContents);
+            $parts = preg_split("/\n-----(?:\n|$)/", $fileContents);
 
             // first part is the name
             $name = array_shift($parts) . ' (' . $fileName . ')';

test/code/parser/stmt/namespace/outsideStmt.test

@@ -33,4 +33,26 @@ array(
     2: Stmt_HaltCompiler(
         remaining: Hi!
     )
+)
+-----
+<?php
+/* Comment */
+;
+namespace Foo;
+-----
+array(
+    0: Stmt_Nop(
+        comments: array(
+            0: /* Comment */
+        )
+    )
+    1: Stmt_Namespace(
+        name: Name(
+            parts: array(
+                0: Foo
+            )
+        )
+        stmts: array(
+        )
+    )
 )