actually adding risc instructions

fix test harness
1 working test (yeh)

test/mom/to_risc/helper.rb

@@ -34,7 +34,7 @@ module Risc
     end
 
     def preamble
-      [Label, SlotToReg , LoadConstant, RegToSlot, LoadConstant,RegToSlot, LoadConstant, SlotToReg, SlotToReg ]
+      [Label, LoadConstant, SlotToReg, RegToSlot ]
     end
     def postamble
       [ Label, FunctionReturn]
@@ -57,19 +57,20 @@ module Risc
       index = 0
       all = instruction.to_arr
       full_expect = preamble + expect + postamble
-      full_expect =  expect
+      #full_expect =  expect
       begin
         should = full_expect[index]
-        return "No instruction at #{index}" unless should
+        return "No instruction at #{index}\n#{should(all)}" unless should
         return "Expected at #{index+1}\n#{should(all)}" unless instruction.class == should
+        puts instruction.to_s
         index += 1
         instruction = instruction.next
       end while( instruction )
       nil
     end
     def should( all )
-      #preamble.each {all.shift}
-      #postamble.each {all.pop}
+      preamble.each {all.shift}
+      postamble.each {all.pop}
       str = all.to_s.gsub("Risc::","")
       ret = ""
       str.split(",").each_slice(6).each do |line|

test/mom/to_risc/test_assignment.rb

@@ -5,7 +5,18 @@ module Risc
   class TestAssignStatement < MiniTest::Test
     include Statements
 
-    def test_assign_op
+    def test_assign_local_assign
+      Parfait.object_space.get_main.add_local(:r , :Integer)
+
+      @input = "r = 5"
+
+      @expect = [LoadConstant, RegToSlot]
+
+      assert_nil msg = check_nil , msg
+    end
+
+
+    def pest_assign_op
       Parfait.object_space.get_main.add_local(:r , :Integer)
 
       @input    = "r = 10.mod4"
@@ -15,9 +26,9 @@ module Risc
     end
 
     def pest_assign_ivar_notpresent
-      @input =s(:statements, s(:i_assignment, s(:ivar, :r), s(:int, 5)))
-      @expect =  []
-      assert_raises{ check_nil }
+      @input = "@r = 5"
+      @expect =  [Label, LoadConstant, SlotToReg, RegToSlot, Label, FunctionReturn]
+      assert_nil msg = check_nil , msg
     end
 
     def pest_assign_ivar
@@ -30,16 +41,6 @@ module Risc
       assert_nil msg = check_nil , msg
     end
 
-    def pest_assign_local_assign
-      Parfait.object_space.get_main.add_local(:r , :Integer)
-
-      @input = s(:statements, s(:l_assignment, s(:local, :r), s(:int, 5)))
-
-      @expect = [Label, LoadConstant, SlotToReg, RegToSlot, LoadConstant, SlotToReg ,
-               RegToSlot, Label, FunctionReturn]
-      assert_nil msg = check_nil , msg
-    end
-
     def pest_assign_call
       Parfait.object_space.get_main.add_local(:r , :Object)
       @input = s(:statements, s(:l_assignment, s(:local, :r), s(:call, :main, s(:arguments))))