1 files changed, 38 insertions, 0 deletions
diff --git a/examples/summaries/cocoa/attrib_fromdict.py b/examples/summaries/cocoa/attrib_fromdict.py
new file mode 100644
index 000000000000..86964d602b5b
--- /dev/null
+++ b/examples/summaries/cocoa/attrib_fromdict.py
@@ -0,0 +1,38 @@
+"""
+Objective-C runtime wrapper for use by LLDB Python formatters
+
+part of The LLVM Compiler Infrastructure
+This file is distributed under the University of Illinois Open Source
+License. See LICENSE.TXT for details.
+"""
+class AttributesDictionary:
+	def __init__(self, allow_reset = True):
+		self.__dict__['_dictionary'] = {} # need to do it this way to prevent endless recursion
+		self.__dict__['_allow_reset'] = allow_reset
+
+	def __getattr__(self,name):
+		if not self._check_exists(name):
+			return None
+		value = self._dictionary[name]
+		return value
+
+	def _set_impl(self,name,value):
+		self._dictionary[name] = value
+
+	def _check_exists(self,name):
+		return name in self._dictionary
+
+	def __setattr__(self,name,value):
+		if self._allow_reset:
+			self._set_impl(name,value)
+		else:
+			self.set_if_necessary(name,value)
+
+	def set_if_necessary(self,name,value):
+		if not self._check_exists(name):
+			self._set_impl(name,value)
+			return True
+		return False
+
+	def __len__(self):
+		return len(self._dictionary)
+\ No newline at end of file