fix init method message setup

was causing errors in interpreter
(that may have gone unnoticed in arm, as the interpreter checks stuff)

lib/risc/builtin/kernel.rb

@@ -19,8 +19,10 @@ module Risc
           message_ind = Risc.resolve_to_index( :space , :first_message )
           #load the first_message (instance of space)
           compiler.add_slot_to_reg( "__init__ load 1st message" , space_reg , message_ind , :message)
+          compiler.add_mom( Mom::MessageSetup.new(compiler.method))
           # but use it's next message, so main can return normally
           compiler.add_slot_to_reg( "__init__ load 2nd message" , :message , :next_message , :message)
+
           compiler.add_reg_to_slot( "__init__ store Space in message", space_reg , :message , :receiver)
           #fixme: should add arg type here, as done in call_site (which this sort of is)
           exit_label = Risc.label("_exit_label for __init__" , "#{compiler.type.object_class.name}.#{compiler.method.name}" )

test/mom/assign/test_assign_local_const.rb

@@ -18,9 +18,15 @@ module Risc
       assert_equal 5 , produced.constant.value
     end
 
-    def test_slot_move
+    def test_frame_load
+      produced = produce_body
+      assert_equal :Message , produced.next(1).array.type
+      assert_equal 4 , produced.next(1).index # 4 is frame
+    end
+    def test_value_load
       produced = produce_body
       assert_equal produced.next(2).register , produced.register
+      assert_equal 2 , produced.next(2).index #type == 1 , r == 2
     end
 
   end

test/risc/interpreter/test_assign_local.rb

@@ -0,0 +1,51 @@
+require_relative "helper"
+
+module Risc
+  class InterpreterAssignLocal < MiniTest::Test
+    include Ticker
+
+    def setup
+      @string_input = as_main("a = 15 ; return a")
+      super
+    end
+
+    def test_chain
+      #show_ticks # get output of what is
+      check_chain [Branch, Label, LoadConstant, SlotToReg, LoadConstant,
+             SlotToReg, SlotToReg, RegToSlot, LoadConstant, SlotToReg,
+             SlotToReg, SlotToReg, SlotToReg, RegToSlot, LoadConstant,
+             SlotToReg, SlotToReg, SlotToReg, SlotToReg, RegToSlot,
+             SlotToReg, RegToSlot, LoadConstant, RegToSlot, FunctionCall,
+             Label, LoadConstant, SlotToReg, RegToSlot, SlotToReg,
+             SlotToReg, RegToSlot, SlotToReg, SlotToReg, RegToSlot,
+             SlotToReg, SlotToReg, FunctionReturn, Transfer, Syscall,
+             NilClass]
+      assert_equal 15 , get_return
+    end
+
+    def test_call_main
+      call_ins = ticks(25)
+      assert_equal FunctionCall , call_ins.class
+      assert  :main , call_ins.method.name
+    end
+    def test_load_15
+      load_ins = ticks 27
+      assert_equal LoadConstant ,  load_ins.class
+      assert_equal 15 , @interpreter.get_register(load_ins.register)
+    end
+    def test_transfer
+      transfer = ticks(39)
+      assert_equal Transfer ,  transfer.class
+    end
+    def test_sys
+      sys = ticks(40)
+      assert_equal Syscall ,  sys.class
+    end
+    def test_return
+      ret = ticks(38)
+      assert_equal FunctionReturn ,  ret.class
+      link = @interpreter.get_register( ret.register )
+      assert_equal Label , link.class
+    end
+  end
+end

test/risc/interpreter/test_return.rb

@@ -11,34 +11,42 @@ module Risc
 
     def test_chain
       #show_ticks # get output of what is
-      check_chain [Branch, Label, LoadConstant, SlotToReg, SlotToReg,
-             RegToSlot, LoadConstant, RegToSlot, FunctionCall, Label,
-             LoadConstant, RegToSlot, SlotToReg, SlotToReg, RegToSlot,
-             SlotToReg, SlotToReg, FunctionReturn, Transfer, Syscall,
-             NilClass]
+      check_chain [Branch, Label, LoadConstant, SlotToReg, LoadConstant,
+             SlotToReg, SlotToReg, RegToSlot, LoadConstant, SlotToReg,
+             SlotToReg, SlotToReg, SlotToReg, RegToSlot, LoadConstant,
+             SlotToReg, SlotToReg, SlotToReg, SlotToReg, RegToSlot,
+             SlotToReg, RegToSlot, LoadConstant, RegToSlot, FunctionCall,
+             Label, LoadConstant, RegToSlot, SlotToReg, SlotToReg,
+             RegToSlot, SlotToReg, SlotToReg, FunctionReturn, Transfer,
+             Syscall, NilClass]
       assert_equal 5 , get_return
     end
 
     def test_call_main
-      call_ins = ticks(9)
+      call_ins = ticks(25)
       assert_equal FunctionCall , call_ins.class
       assert  :main , call_ins.method.name
     end
+    def test_label_main
+      call_ins = ticks(26)
+      assert_equal Label , call_ins.class
+      assert  :main , call_ins.name
+    end
     def test_load_5
-      load_ins = ticks 11
+      load_ins = ticks 27
       assert_equal LoadConstant ,  load_ins.class
       assert_equal 5 , @interpreter.get_register(load_ins.register)
     end
     def test_transfer
-      transfer = ticks(19)
+      transfer = ticks(35)
       assert_equal Transfer ,  transfer.class
     end
     def test_sys
-      sys = ticks(20)
+      sys = ticks(36)
       assert_equal Syscall ,  sys.class
     end
     def test_return
-      ret = ticks(18)
+      ret = ticks(34)
       assert_equal FunctionReturn ,  ret.class
       link = @interpreter.get_register( ret.register )
       assert_equal Label , link.class