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-rw-r--r--ext/json/lib/json/add/exception.rb31
1 files changed, 31 insertions, 0 deletions
diff --git a/ext/json/lib/json/add/exception.rb b/ext/json/lib/json/add/exception.rb
new file mode 100644
index 0000000..e6ad257
--- /dev/null
+++ b/ext/json/lib/json/add/exception.rb
@@ -0,0 +1,31 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+ require 'json'
+end
+
+# Exception serialization/deserialization
+class Exception
+
+ # Deserializes JSON string by constructing new Exception object with message
+ # <tt>m</tt> and backtrace <tt>b</tt> serialized with <tt>to_json</tt>
+ def self.json_create(object)
+ result = new(object['m'])
+ result.set_backtrace object['b']
+ result
+ end
+
+ # Returns a hash, that will be turned into a JSON object and represent this
+ # object.
+ def as_json(*)
+ {
+ JSON.create_id => self.class.name,
+ 'm' => message,
+ 'b' => backtrace,
+ }
+ end
+
+ # Stores class name (Exception) with message <tt>m</tt> and backtrace array
+ # <tt>b</tt> as JSON string
+ def to_json(*args)
+ as_json.to_json(*args)
+ end
+end