remove function statements

functions need to be defined a level up

lib/typed/compiler.rb

@@ -4,7 +4,7 @@ module Typed
 
   CompilerModules = [ "assignment" , "basic_values" , "call_site",
                       "class_statement" , "collections" , "field_access",
-                      "function_statement" , "if_statement" , "name_expression" ,
+                      "if_statement" , "name_expression" ,
                       "operator_expression" , "return_statement", "statement_list",
                       "while_statement"]
 

lib/typed/compiler/function_statement.rb

@@ -1,40 +0,0 @@
-module Typed
-  module FunctionStatement
-
-    def on_FunctionStatement  statement
-      #      return_type , name , parameters, kids , receiver = *statement
-      raise "Already in method #{@method}" if @method
-
-      args = statement.parameters
-
-      class_method = handle_receiver( statement ) #nil for instance method
-
-      @method = @type.get_instance_method( statement.name )
-      if(@method)
-        #puts "Warning, redefining method #{name}" unless name == :main
-        #TODO check args / type compatibility
-        init_method
-      else
-        create_method_for(@type, statement.name , args ).init_method
-      end
-      @method.source = statement
-
-      process(statement.statements)
-
-      @type = class_method if class_method
-      @method = nil
-      # function definition is a statement, does not return any value
-      return nil
-    end
-
-    private
-
-    def handle_receiver( statement )
-      return nil unless statement.receiver
-      raise "Not covered #{statement.receiver}" unless ( statement.receiver.first == :self)
-      class_method = @type
-      @type = @type.object_class.meta.get_type
-      class_method
-    end
-  end
-end

lib/typed/tree.rb

@@ -9,7 +9,7 @@ end
 
 ["while_statement", "if_statement" , "return_statement" , "statements",
   "operator_expression" , "field_access" , "call_site" , "basic_values",
-  "assignment" , "class_statement" , "function_statement" , "to_code"].each do |code|
+  "assignment" , "class_statement" , "to_code"].each do |code|
     require_relative "tree/" + code
 end
 

lib/typed/tree/function_statement.rb

@@ -1,7 +0,0 @@
-module Typed
-  module Tree
-    class FunctionStatement < Statement
-      attr_accessor :return_type , :name , :parameters, :statements , :receiver
-    end
-  end
-end

lib/typed/tree/to_code.rb

@@ -20,17 +20,6 @@ module Typed
       w
     end
 
-    def on_function  statement
-      return_type , name , parameters, statements , receiver = *statement
-      w = Tree::FunctionStatement.new()
-      w.return_type = return_type
-      w.name = name.children.first
-      w.parameters = process parameters
-      w.statements = process(statements)
-      w.receiver = receiver
-      w
-    end
-
     def on_parameters statement
       params = {}
       statement.children.each do |param , type , name|