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-rw-r--r--activesupport/lib/active_support/core_ext/module/delegation.rb8
1 files changed, 6 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index 0318f9a568..182e74d9e1 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -6,6 +6,11 @@ class Module
# Provides a +delegate+ class method to easily expose contained objects'
# public methods as your own.
#
+ # ==== Options
+ # * <tt>:to</tt> - Specifies the target object
+ # * <tt>:prefix</tt> - Prefixes the new method with the target name or a custom prefix
+ # * <tt>:allow_nil</tt> - if set to true, prevents a +NoMethodError+ to be raised
+ #
# The macro receives one or more method names (specified as symbols or
# strings) and the name of the target object via the <tt>:to</tt> option
# (also a symbol or string).
@@ -187,8 +192,7 @@ class Module
_ = #{to} # _ = client
_.#{method}(#{definition}) # _.name(*args, &block)
rescue NoMethodError => e # rescue NoMethodError => e
- location = "%s:%d:in `%s'" % [__FILE__, __LINE__ - 2, '#{method_prefix}#{method}'] # location = "%s:%d:in `%s'" % [__FILE__, __LINE__ - 2, 'customer_name']
- if _.nil? && e.backtrace.first == location # if _.nil? && e.backtrace.first == location
+ if _.nil? && e.name == :#{method} # if _.nil? && e.name == :name
#{exception} # # add helpful message to the exception
else # else
raise # raise