lib/antelope/ace/errors.rb in antelope-0.0.1 vs lib/antelope/ace/errors.rb in antelope-0.1.0

@@ -2,11 +2,11 @@
   module Ace
 
     # Defines an error that can occur within the Ace module.  All
     # errors that are raised within the Ace module are subclasses of
     # this.
-    class Error < StandardError
+    class Error < Antelope::Error
     end
 
     # Used primarily in the {Scanner}, this is raised when an input
     # is malformed.  The message should contain a snippet of the input
     # which caused the error.
@@ -17,11 +17,17 @@
     # token (a nonterminal or a terminal) that was not previously
     # defined, this is raised.
     class UndefinedTokenError < Error
     end
 
-    # Pimarily used in the {Compiler}, if a scanner token appears that
-    # should not be in the current state, this is raised.
+    # Primarily used in the {Compiler}, if a scanner token appears
+    # that should not be in the current state, this is raised.
     class InvalidStateError < Error
+    end
+
+    # Primarily used in the {Grammar} (specifically
+    # {Grammar::Generation}), if the grammar could not determine the
+    # generator to use for the generation, it raises this.
+    class NoTypeError < Error
     end
   end
 end