get method name out from method_missing

lib/mom/instruction/resolve_method.rb

@@ -62,7 +62,7 @@ module Mom
         branch  while_start_label
 
         add_code exit_label
-        MethodMissing.new(compiler.source_name).to_risc(compiler)
+        MethodMissing.new(compiler.source_name , word.symbol).to_risc(compiler)
 
         add_code ok_label
         cache_entry[:cached_method] << callable_method

lib/mom/macro/method_missing.rb

@@ -1,8 +1,20 @@
 module Mom
   class MethodMissing < Macro
+    attr_reader :name
+
+    def initialize( source , name  )
+      super(source)
+      name = name.value if name.is_a?(Vool::SymbolConstant)
+      raise "No reg #{name.class}" unless name.class == Symbol
+      @name = name
+    end
+
     def to_risc(compiler)
       builder = compiler.builder(compiler.source_name)
-      builder.add_code Risc::Syscall.new("Method_missing_died", :died )
+      from = Risc::RegisterValue.new(@name , :Word)
+      to = Risc::RegisterValue.new(:r1 , :Word)
+      builder.add_code Risc::Transfer.new(self , from , to)
+      builder.add_code Risc::Syscall.new(self, :died )
       return compiler
     end
   end

lib/mom/mom_collection.rb

@@ -54,7 +54,7 @@ module Mom
 
     def self.create_mm_compiler
       compiler = compiler_for(:Object,:__method_missing__ ,{})
-      compiler.add_code MethodMissing.new("missing")
+      compiler.add_code MethodMissing.new("missing" , :r1)
       return compiler
     end
 

lib/risc/interpreter.rb

@@ -250,7 +250,7 @@ module Risc
         set_instruction(nil)
         return false
       when :died
-        raise "Method not found #{@registers[:r0]}"
+        raise "Method #{@registers[:r1]} not found for #{@registers[:r0].receiver}"
       else
         raise "un-implemented syscall #{name}"
       end

lib/vool/builtin.rb

@@ -13,7 +13,7 @@ module Vool
     def self.builtin
       {
         "Object.get" => "def get_internal_word(at); X.get_internal_word;end",
-        "Object.missing" => "def method_missing(at); X.method_missing;end",
+        "Object.missing" => "def method_missing(at); X.method_missing(:r1);end",
         "Object.exit" => "def exit; X.exit;end",
         "Integer.div4" => "def div4; X.div4;end",
         "Integer.div10" => "def div10; X.div10;end",

test/mom/instruction/test_resolve_method.rb

@@ -10,7 +10,7 @@ module Mom
       ResolveMethod.new( "method" , :name , cache_entry )
     end
     def test_len
-      assert_equal 18 , all.length , all_str
+      assert_equal 19 , all.length , all_str
     end
     def test_1_load_name
       assert_load risc(1) , Symbol , :r1
@@ -56,14 +56,17 @@ module Mom
     def test_14_goto_exit
       assert_label risc(14) , "exit_label_"
     end
-    def test_15_die
-      assert_syscall risc(15) , :died
+    def test_15_move_name
+      assert_transfer( risc(15) , :r1 , :r1)
     end
-    def test_16_label
-      assert_label risc(16) , "ok_label_"
+    def test_16_die
+      assert_syscall risc(16) , :died
     end
-    def test_17_load_method
-      assert_reg_to_slot risc(17) , :r4 , :r2 , 2
+    def test_17_label
+      assert_label risc(17) , "ok_label_"
+    end
+    def test_18_load_method
+      assert_reg_to_slot risc(18) , :r4 , :r2 , 2
     end
   end
 end

test/mom/macro/test_method_missing.rb

@@ -14,7 +14,7 @@ module Mom
         assert_equal Risc::MethodCompiler , @method.to_risc.class
       end
       def test_risc_length
-        assert_equal 14 , @method.to_risc.risc_instructions.length
+        assert_equal 15 , @method.to_risc.risc_instructions.length
       end
     end
   end

test/risc/interpreter/test_dynamic_call.rb

@@ -17,7 +17,7 @@ module Risc
                  LoadConstant, RegToSlot, LoadConstant, LoadConstant, SlotToReg, #15
                  SlotToReg, LoadConstant, OperatorInstruction, IsZero, SlotToReg, #20
                  OperatorInstruction, IsZero, RegToSlot, LoadConstant, SlotToReg, #25
-                 SlotToReg, Branch, RegToSlot, SlotToReg, SlotToReg, #30
+                 Branch, SlotToReg, RegToSlot, SlotToReg, SlotToReg, #30
                  RegToSlot, LoadConstant, SlotToReg, RegToSlot, SlotToReg, #35
                  LoadConstant, SlotToReg, DynamicJump, LoadConstant, SlotToReg, #40
                  LoadConstant, OperatorInstruction, IsNotZero, SlotToReg, RegToSlot, #45

test/rubyx/macro/test_object_missing.rb

@@ -13,7 +13,7 @@ module RubyX
         end
         class Object
           def method_missing(at)
-            X.method_missing
+            X.method_missing(:r1)
           end
         end
 GET
@@ -28,7 +28,7 @@ GET
         assert_equal Mom::MethodMissing , compiler.mom_instructions.next.class
       end
       def test_risc
-        assert_equal 14 , compiler.to_risc.risc_instructions.length
+        assert_equal 15 , compiler.to_risc.risc_instructions.length
       end
     end
   end