lib/inch/language/elixir/evaluation/function_object.rb in inch-0.5.0.rc8 vs lib/inch/language/elixir/evaluation/function_object.rb in inch-0.5.0.rc9

@@ -2,16 +2,32 @@
   module Language
     module Elixir
       module Evaluation
         # Proxy class for functions
         class FunctionObject < Base
+          def evaluate
+            super
+            evaluate_parameters
+          end
+
           protected
 
           def relevant_roles
             relevant_base_roles.merge(relevant_function_roles)
           end
 
+          private
+
+          def evaluate_parameters
+            params = object.parameters
+            per_param = score_for_single_parameter
+            params.each do |param|
+              role_classes = relevant_parameter_roles(param, per_param)
+              __evaluate(param, role_classes)
+            end
+          end
+
           def relevant_function_roles
             {
               Role::Function::Getter => nil,
               Role::Function::Setter => nil,
               Role::Function::Overridden =>
@@ -22,9 +38,26 @@
                 end,
               Role::Function::WithBangName => nil,
               Role::Function::WithQuestioningName => nil
             }
           end
+
+          def relevant_parameter_roles(param, per_param)
+            {
+              Role::FunctionParameter::WithWrongMention =>
+                -score_for(:parameters),
+              Role::FunctionParameter::WithMention => per_param * 0.5,
+              Role::FunctionParameter::WithoutMention => per_param * 0.5,
+              Role::FunctionParameter::WithType => per_param * 0.5,
+              Role::FunctionParameter::WithoutType => per_param * 0.5,
+              Role::FunctionParameter::WithBadName => nil,
+            }
+          end
+
+          def score_for_single_parameter
+            @param_score ||= score_for(:parameters) / object.parameters.size
+          end
+
         end
       end
     end
   end
 end