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authorDavid Heinemeier Hansson <david@loudthinking.com>2005-03-23 11:53:40 +0000
committerDavid Heinemeier Hansson <david@loudthinking.com>2005-03-23 11:53:40 +0000
commit373adc7f86f68f7b16d136835bb9254aaffd797f (patch)
treeead12d0a30ca9343ee8610bd6611b111c663ebcc /activesupport/lib
parent3697df1dd2be6e51867bea4d6089f01f8f204f3c (diff)
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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@985 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/lib')
-rw-r--r--activesupport/lib/active_support/core_ext/load_error.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/load_error.rb b/activesupport/lib/active_support/core_ext/load_error.rb
new file mode 100644
index 0000000000..42f2d42e78
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/load_error.rb
@@ -0,0 +1,34 @@
+class MissingSourceFile < LoadError
+ attr_reader :path
+ def initialize(message, path)
+ super(message)
+ @path = path
+ end
+
+ def self.from_message(message)
+ REGEXPS.each do |regexp, capture|
+ match = regexp.match(message)
+ return MissingSourceFile.new(message, match[capture]) unless match.nil?
+ end
+ nil
+ end
+
+ REGEXPS = [
+ [/^no such file to load -- (.+)$/i, 1],
+ [/^Missing \w+ (file\s*)?([^\s]+.rb)$/i, 2],
+ [/^Missing API definition file in (.+)$/i, 1]
+ ]
+end
+
+module ActiveSupport
+ module CoreExtensions
+ module LoadErrorExtensions
+ module LoadErrorClassMethods
+ def new(*args)
+ (self == LoadError && MissingSourceFile.from_message(args.first)) || super
+ end
+ end
+ ::LoadError.extend(LoadErrorClassMethods)
+ end
+ end
+end \ No newline at end of file