From 3697df1dd2be6e51867bea4d6089f01f8f204f3c Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 23 Mar 2005 11:48:10 +0000
Subject: Improved error reporting especially around never shallowing
 exceptions. Debugging helpers should be much easier now #980 [Nicholas
 Seckar]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@984 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activesupport/lib/active_support/core_ext/object_and_class.rb |  7 +++++++
 activesupport/lib/active_support/dependencies.rb              | 11 +++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

(limited to 'activesupport/lib')

diff --git a/activesupport/lib/active_support/core_ext/object_and_class.rb b/activesupport/lib/active_support/core_ext/object_and_class.rb
index eb54f79534..be486b0816 100644
--- a/activesupport/lib/active_support/core_ext/object_and_class.rb
+++ b/activesupport/lib/active_support/core_ext/object_and_class.rb
@@ -21,6 +21,13 @@ class Object #:nodoc:
       !self
     end
   end
+    
+  def suppress(*exception_classes)
+    begin yield
+    rescue Exception => e
+      raise unless exception_classes.any? {|cls| e.kind_of? cls}
+    end
+  end
 end
 
 class Class #:nodoc:
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 9518dfab90..a189da189a 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -21,8 +21,6 @@ module Dependencies
         require_or_load(file_name)
       rescue LoadError
         raise unless swallow_load_errors
-      rescue Object => e
-        raise ScriptError, "#{e.message}"
       end
     end
   end
@@ -179,8 +177,8 @@ class Object #:nodoc:
       begin
         require_or_load(class_id.to_s.demodulize.underscore)
         if Object.const_defined?(class_id) then return Object.const_get(class_id) else raise LoadError end
-      rescue LoadError
-        raise NameError, "uninitialized constant #{class_id}"
+      rescue LoadError => e
+        raise NameError.new("uninitialized constant #{class_id}").copy_blame!(e)
       end
     end
   end
@@ -216,4 +214,9 @@ class Exception
     return nil if blamed_files.empty?
     "This error occured while loading the following files:\n   #{blamed_files.join "\n   "}"
   end
+
+  def copy_blame!(exc)
+    @blamed_files = exc.blamed_files.clone
+    self
+  end
 end
-- 
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