ast.c: Fix defs

* ast.c (node_children): Add mid to children

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63782 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ast.c

@@ -374,9 +374,9 @@ node_children(rb_ast_t *ast, NODE *node)
       case NODE_BLOCK_PASS:
         return rb_ary_new_from_node_args(ast, 2, node->nd_head, node->nd_body);
       case NODE_DEFN:
-        return rb_ary_new_from_node_args(ast, 1, node->nd_defn);
+        return rb_ary_new_from_args(2, ID2SYM(node->nd_mid), NEW_CHILD(ast, node->nd_defn));
       case NODE_DEFS:
-        return rb_ary_new_from_node_args(ast, 2, node->nd_recv, node->nd_defn);
+        return rb_ary_new_from_args(3, NEW_CHILD(ast, node->nd_recv), ID2SYM(node->nd_mid), NEW_CHILD(ast, node->nd_defn));
       case NODE_ALIAS:
         return rb_ary_new_from_node_args(ast, 2, node->nd_1st, node->nd_2nd);
       case NODE_VALIAS:

test/ruby/test_ast.rb

@@ -204,4 +204,23 @@ class TestAst < Test::Unit::TestCase
     assert_equal(:foo, mid)
     assert_nil(args)
   end
+
+  def test_defn
+    node = RubyVM::AST.parse("def a; end")
+    _, _, body = *node.children
+    assert_equal("NODE_DEFN", body.type)
+    mid, defn = body.children
+    assert_equal(:a, mid)
+    assert_equal("NODE_SCOPE", defn.type)
+  end
+
+  def test_defs
+    node = RubyVM::AST.parse("def a.b; end")
+    _, _, body = *node.children
+    assert_equal("NODE_DEFS", body.type)
+    recv, mid, defn = body.children
+    assert_equal("NODE_VCALL", recv.type)
+    assert_equal(:b, mid)
+    assert_equal("NODE_SCOPE", defn.type)
+  end
 end