* io.c (rb_file_initialize): [ruby-dev:25032]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Dec  3 00:11:48 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* io.c (rb_file_initialize): [ruby-dev:25032]
+
 Thu Dec  2 16:41:03 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval.c (rb_protect): prevent continuations created inside from being
@@ -10,6 +14,11 @@ Thu Dec  2 10:45:02 2004  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* test/readline/test_readline.rb: fix for NetBSD.
 
+Thu Dec  2 09:57:24 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/ostruct.rb (OpenStruct::Marshaler): OpenStruct can be
+	  marshaled again.  [ruby-core:03862]
+
 Thu Dec  2 09:30:58 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval.c (thread_mark): mark thread group.  [ruby-dev:25020]

io.c

@@ -4094,9 +4094,7 @@ rb_file_initialize(argc, argv, io)
     VALUE io;
 {
     if (RFILE(io)->fptr) {
-	rb_io_close_m(io);
+	rb_raise(rb_eRuntimeError, "reinitializing File");
-	free(RFILE(io)->fptr);
-	RFILE(io)->fptr = 0;
     }
     if (0 < argc && argc < 3) {
 	VALUE fd = rb_check_convert_type(argv[0], T_FIXNUM, "Fixnum", "to_int");

lib/ostruct.rb

@@ -47,10 +47,8 @@ class OpenStruct
     @table = {}
     if hash
       for k,v in hash
-        if $DEBUG and self.respond_to?(k, true)
-          raise NameError, "already existing member #{k}", caller(2)
-        end
 	@table[k.to_sym] = v
+        new_ostruct_member(k)
       end
     end
   end
@@ -61,6 +59,27 @@ class OpenStruct
     @table = @table.dup
   end
 
+  module Marshaler
+    def marshal_dump
+      table = @table
+      OpenStruct.new.instance_eval{@table=table; self}
+    end
+    def marshal_load(x)
+      @table = x.instance_variable_get("@table")
+      @table.each_key{|key| new_ostruct_member(key)}
+    end
+  end
+
+  def new_ostruct_member(name)
+    unless self.respond_to?(name)
+      self.instance_eval %{
+        extend OpenStruct::Marshaler
+        def #{name}; @table[:#{name}]; end
+        def #{name}=(x); @table[:#{name}] = x; end
+      }
+    end
+  end
+
   def method_missing(mid, *args) # :nodoc:
     mname = mid.id2name
     len = args.length
@@ -72,10 +91,8 @@ class OpenStruct
 	raise TypeError, "can't modify frozen #{self.class}", caller(1)
       end
       mname.chop!
-      if $DEBUG and self.respond_to?(mname, true)
-	raise NameError, "already existing member #{mname}", caller(1)
-      end
       @table[mname.intern] = args[0]
+      self.new_ostruct_member(mname)
     elsif len == 0
       @table[mid]
     else