forward_referencing.rb in eymiha_util-0.1.5

- old
+ new

@@ -14,11 +14,11 @@
   attr_reader :forward_references
 
   # To be called from the initializer of the includer, this sets up the forward
   # reference capture and resolution mechanisms.
   def start_forward_referencing
-    @forward_references = []
+    forward_references_clear
     @had_forward_reference_resolution = false
     @forward_reference_resolver = nil
   end
 
   # To be called when a section of code that could contain a forward reference
@@ -48,11 +48,11 @@
   # establish_forward_reference context method is called with the context that
   # was provided at the time the forward reference was created to give the
   # receiver a chance to reset any transcient infromation.
   def resolve_forward_references
     forward_references = @forward_references
-    @forward_references = []
+    forward_references_clear
     @had_forward_reference_resolution = false
     if forward_references.size > 0
       @forward_reference_resolver ||= callcc {|cont| cont} while
         (@forward_reference_resolver == nil)
       forward_reference = forward_references.shift
@@ -94,10 +94,15 @@
   # Returns the number of unresolved forward references.
   def forward_references_remaining
     @forward_references.size
   end
 
+  # Remove the remaining unresolved forward references.
+  def forward_references_clear
+    @forward_references = []
+  end
+
 end
 
 
 # A ForwardReferencer is simply a class-wrapper for the ForwardReferencing
 # module. method have been shortened there is reduced potential for conflict
@@ -112,9 +117,10 @@
   alias resolve      resolve_forward_references
   alias continue     continue_forward_reference_resolution
   alias dependencies forward_reference_dependencies
   alias to_s         forward_references_to_s
   alias remaining    forward_references_remaining
+  alias clear	     forward_references_clear
   
 end
 
 
 # A ForwardReference holds a continuation and a dependency, the where and