allow enums and traits

Author: withinboredom

Zend/zend_language_parser.y

@@ -954,6 +954,8 @@ class_statement_list:
 nested_class_statement:
 		T_CLASS T_STRING { $<num>$ = CG(zend_lineno); } extends_from implements_list backup_doc_comment '{' class_statement_list '}'
 			{ $$ = zend_ast_create_decl(ZEND_AST_CLASS, 0, $<num>3, $6, zend_ast_get_str($2), $4, $5, $8, NULL, NULL); }
+	|	trait_declaration_statement { $$ = $1; }
+	|	enum_declaration_statement { $$ = $1; }
 ;
 
 attributed_class_statement:

tests/classes/inner_classes/enum_001.phpt

@@ -0,0 +1,16 @@
+--TEST--
+nested enum
+--FILE--
+<?php
+
+class Outer {
+    enum Inner {
+        case Foo;
+        case Bar;
+    }
+}
+
+echo Outer\Inner::Foo->name . "\n";
+?>
+--EXPECT--
+Foo

tests/classes/inner_classes/trait_001.phpt

@@ -0,0 +1,20 @@
+--TEST--
+nested traits
+--FILE--
+<?php
+
+class Outer {
+    trait Inner {
+        public function foo() {
+            return "foo";
+        }
+    }
+
+    use Inner;
+}
+
+$outer = new Outer();
+echo $outer->foo();
+?>
+--EXPECT--
+foo