move that test to core (cant be done in compiled code) and focus on string addition instead

lib/ast/function_expression.rb

@@ -26,7 +26,8 @@ module Ast
         locals[arg] = arg_value
         args << arg_value
       end
-      function = Vm::Function.new(name , args )
+      class_name = context.current_class.name
+      function = Vm::Function.new("#{class_name}::#{name}" , args )
       context.current_class.add_function function 
 
       parent_locals = context.locals

lib/ast/return_expression.rb

@@ -20,7 +20,7 @@ module Ast
 
       return_reg = Vm::Integer.new(7)
       if expression_value.is_a?(Vm::IntegerConstant) or expression_value.is_a?(Vm::StringConstant)
-        return_reg.load into , expression_value if expression_value.register != return_reg.register
+        return_reg.load into , expression_value 
       else
         return_reg.move( into, expression_value ) if expression_value.register != return_reg.register
       end

lib/core/base_object.rb

@@ -0,0 +1,23 @@
+module Core
+  class BaseObject
+    
+    def _set_instance_variable(name , value)
+      return name
+    end
+
+    def _get_instance_variable( name )
+      return name
+    end
+
+    def _get_singleton_method(name )
+      return name
+    end
+    def _add_singleton_method(method)
+      return 4
+    end
+    def initialize()
+      return 4
+    end
+
+  end
+end

lib/vm/function.rb

@@ -29,7 +29,7 @@ module Vm
 
     def initialize(name , args = [] , return_type = nil)
       super()
-      @name = name
+      @name = name.to_sym
       @args = Array.new(args.length)
       args.each_with_index do |arg , i|
         if arg.is_a?(Value)

test/fragments/test_class.rb

@@ -3,32 +3,32 @@ require_relative 'helper'
 class TestClass < MiniTest::Test
   include Fragments
 
-  def test_base_class
+  def test_class
     @string_input = <<HERE
-class BaseObject
-      def _set_instance_variable(name , value)
-        4
+class String
+  def plus( str)
+    my_length = self.length() 
+    str_len = str.length()
+    new_string = String.new(my_length + str_len)
+    i = 0
+    while( i < my_length)
+      char = self.get(i)
+      new_string.set(i , char)
+      i = i + 1
     end
-  
-      def _get_instance_variable( name )
-        4
+    i = 0
+    while( i < str_len)
+      char = str.get(i)
+      new_string.set( i + my_length , char)
+      i = i + 1
     end
-
-      def _get_singleton_method(name )
-        4
-      end
-      def _add_singleton_method(method)
-        4
-      end
-      def initialize()
-        4
   end
 end
 HERE
     @should = [0x0,0xb0,0xa0,0xe3,0x2a,0x10,0xa0,0xe3,0x13,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0xa,0x30,0x42,0xe2,0x22,0x21,0x42,0xe0,0x22,0x22,0x82,0xe0,0x22,0x24,0x82,0xe0,0x22,0x28,0x82,0xe0,0xa2,0x21,0xa0,0xe1,0x2,0x41,0x82,0xe0,0x84,0x30,0x53,0xe0,0x1,0x20,0x82,0x52,0xa,0x30,0x83,0x42,0x30,0x30,0x83,0xe2,0x0,0x30,0xc1,0xe5,0x1,0x10,0x41,0xe2,0x0,0x0,0x52,0xe3,0xef,0xff,0xff,0x1b,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x20,0xa0,0xe1,0x20,0x10,0x8f,0xe2,0x9,0x10,0x81,0xe2,0xe9,0xff,0xff,0xeb,0x14,0x10,0x8f,0xe2,0xc,0x20,0xa0,0xe3,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20]
     @output = "        42  "
     parse 
-    write "putint"
+    write "class"
   end
 end