move dynamic_call to builder

no change of test, great
also remove some duplicate code that was hanging around in method_compiler

lib/mom/instruction/dynamic_call.rb

@@ -31,16 +31,19 @@ module Mom
     # Instead we need a DynamicJump instruction that explicitly takes a register as
     # a target (not a label)
     def to_risc(compiler)
-      compiler.add_constant( @cache_entry )
-      entry = compiler.use_reg( :CacheEntry )
+      entry = @cache_entry
+      compiler.add_constant( entry )
       return_label = Risc.label(self, "continue_#{object_id}")
-      save_return =  SlotLoad.new([:message,:next_message,:return_address],[return_label],self)
-      moves = save_return.to_risc(compiler)
-      moves << Risc.slot_to_reg(self, Risc.message_reg , :next_message , Risc.message_reg)
-      moves <<  Risc.load_constant( self , @cache_entry , entry )
-      moves << Risc.slot_to_reg( self , entry ,:cached_method , entry)
-      moves << Risc::DynamicJump.new(self, entry )
-      moves << return_label
+      compiler.build("DynamicCall") do
+        return_address! << return_label
+        next_message! << message[:next_message]
+        next_message[:return_address] << return_address
+        message << message[:next_message]
+        cache_entry! << entry
+        cache_entry << cache_entry[:cached_method]
+        add_code Risc::DynamicJump.new("DynamicCall", cache_entry )
+        add_code return_label
+      end
     end
   end
 

lib/risc/block_compiler.rb

@@ -48,18 +48,6 @@ module Risc
       slot_def << name
     end
 
-    # return the frame type, ie the blocks frame type
-    def frame_type
-      @callable.frame_type
-    end
-    # return the frame type, ie the blocks arguments type
-    def arg_type
-      @callable.arguments_type
-    end
-    # return the frame type, ie the blocks self_type
-    def receiver_type
-      @callable.self_type
-    end
 
   end
 end

lib/risc/callable_compiler.rb

@@ -100,6 +100,19 @@ module Risc
       return new_type
     end
 
+    # return the frame type, ie the blocks frame type
+    def frame_type
+      @callable.frame_type
+    end
+    # return the frame type, ie the blocks arguments type
+    def arg_type
+      @callable.arguments_type
+    end
+    # return the frame type, ie the blocks self_type
+    def receiver_type
+      @callable.self_type
+    end
+
     def copy( reg , source )
       copied = use_reg reg.type
       add_code Register.transfer( source , reg , copied )
@@ -121,8 +134,8 @@ module Risc
     end
 
     # Build with builder (see there), adding the created instructions
-    def build(&block)
-      builder.build(&block)
+    def build(source , &block)
+      code_builder(source).build(&block)
     end
 
     # return a new code builder that uses this compiler

lib/risc/method_compiler.rb

@@ -82,93 +82,5 @@ module Risc
       ret
     end
 
-
-    # return the frame type, ie the method frame type
-    def frame_type
-      @callable.frame_type
-    end
-    # return the frame type, ie the method arguments type
-    def arg_type
-      @callable.arguments_type
-    end
-    # return the frame type, ie the method self_type
-    def receiver_type
-      @callable.self_type
-    end
-
-    # convert the given mom instruction to_risc and then add it (see add_code)
-    # continue down the instruction chain unti depleted
-    # (adding moves the insertion point so the whole mom chain is added as a risc chain)
-    def add_mom( instruction )
-      while( instruction )
-        raise "whats this a #{instruction}" unless instruction.is_a?(Mom::Instruction)
-        #puts "adding mom #{instruction.to_s}:#{instruction.next.to_s}"
-        risc = instruction.to_risc( self )
-        add_code(risc)
-        reset_regs
-        #puts "adding risc #{risc.to_s}:#{risc.next.to_s}"
-        instruction = instruction.next
-      end
-    end
-
-    # add a risc instruction after the current (insertion point)
-    # the added instruction will become the new insertion point
-    def add_code( instruction )
-      raise "Not an instruction:#{instruction.to_s}" unless  instruction.is_a?(Risc::Instruction)
-      raise instruction.to_s if( instruction.class.name.split("::").first == "Arm")
-      new_current = instruction.last #after insertion this point is lost
-      @current.insert(instruction) #insert after current
-      @current = new_current
-      self
-    end
-
-    # require a (temporary) register. code must give this back with release_reg
-    def use_reg( type , extra = {} )
-      raise "Not type #{type.inspect}" unless type.is_a?(Symbol) or type.is_a?(Parfait::Type)
-      if @regs.empty?
-        reg = Risc.tmp_reg(type , extra)
-      else
-        reg = @regs.last.next_reg_use(type , extra)
-      end
-      @regs << reg
-      return reg
-    end
-
-    def copy( reg , source )
-      copied = use_reg reg.type
-      add_code Register.transfer( source , reg , copied )
-      copied
-    end
-
-    # releasing a register (accuired by use_reg) makes it available for use again
-    # thus avoiding possibly using too many registers
-    def release_reg( reg )
-      last = @regs.pop
-      raise "released register in wrong order, expect #{last} but was #{reg}" if reg != last
-    end
-
-    # reset the registers to be used. Start at r4 for next usage.
-    # Every statement starts with this, meaning each statement may use all registers, but none
-    # get saved. Statements have affect on objects.
-    def reset_regs
-      @regs.clear
-    end
-
-    # Build with builder (see there), adding the created instructions
-    def build(source , &block)
-      code_builder(source).build(&block)
-    end
-
-    # return a new code builder that uses this compiler
-    # CodeBuilder returns code after building
-    def code_builder( source)
-      CodeBuilder.new(self , source)
-    end
-
-    # return a CompilerBuilder
-    # CompilerBuilder adds the generated code to the compiler
-    def compiler_builder( source)
-      CompilerBuilder.new(self , source)
-    end
   end
 end