adding new ceedling test project

test/vendor/ceedling/lib/ceedling/target_loader.rb

@@ -0,0 +1,38 @@
+module TargetLoader
+  class NoTargets    < Exception; end
+  class NoDirectory  < Exception; end
+  class NoDefault    < Exception; end
+  class NoSuchTarget < Exception; end
+
+  class RequestReload < Exception; end
+
+  def self.inspect(config, target_name=nil)
+    unless config[:targets]
+      raise NoTargets
+    end
+
+    targets = config[:targets]
+    unless targets[:targets_directory]
+      raise NoDirectory.new("No targets directory specified.")
+    end
+    unless targets[:default_target]
+      raise NoDefault.new("No default target specified.")
+    end
+
+    target_path = lambda {|name| File.join(targets[:targets_directory], name + ".yml")}
+
+    target = if target_name
+               target_path.call(target_name)
+             else
+               target_path.call(targets[:default_target])
+             end
+
+    unless File.exists? target
+      raise NoSuchTarget.new("No such target: #{target}")
+    end
+
+    ENV['CEEDLING_MAIN_PROJECT_FILE'] = target
+
+    raise RequestReload
+  end
+end