diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-26 12:06:21 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-26 12:06:21 +0000 |
commit | 6ec32b4aa50653fd2d0c583b5aadbe0c8620914c (patch) | |
tree | f8864a549d2554dcf2f20e6dbb1340cbcb86e4d3 /lib | |
parent | 54b48da267b0a75e0cc6366a9409be12fdf4dde5 (diff) |
merge revision(s) 22332:
* lib/ostruct.rb (OpenStruct#new_ostruct_member): checks if frozen.
[ruby-talk:328195], [ruby-core:22142]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@23581 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r-- | lib/ostruct.rb | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/lib/ostruct.rb b/lib/ostruct.rb index ba7f061a22..45ebb8083e 100644 --- a/lib/ostruct.rb +++ b/lib/ostruct.rb @@ -67,28 +67,33 @@ class OpenStruct @table.each_key{|key| new_ostruct_member(key)} end + def modifiable + if self.frozen? + raise TypeError, "can't modify frozen #{self.class}", caller(2) + end + @table + end + protected :modifiable + def new_ostruct_member(name) name = name.to_sym unless self.respond_to?(name) - meta = class << self; self; end - meta.send(:define_method, name) { @table[name] } - meta.send(:define_method, :"#{name}=") { |x| @table[name] = x } + class << self; self; end.class_eval do + define_method(name) { @table[name] } + define_method("#{name}=") { |x| modifiable[name] = x } + end end + name end def method_missing(mid, *args) # :nodoc: mname = mid.id2name len = args.length - if mname =~ /=$/ + if mname.chomp!('=') if len != 1 raise ArgumentError, "wrong number of arguments (#{len} for 1)", caller(1) end - if self.frozen? - raise TypeError, "can't modify frozen #{self.class}", caller(1) - end - mname.chop! - self.new_ostruct_member(mname) - @table[mname.intern] = args[0] + modifiable[new_ostruct_member(mname)] = args[0] elsif len == 0 @table[mid] else |