small clean

lib/bosl/compiler.rb

@@ -17,8 +17,7 @@ module Bosl
     #
     # Everything in ruby is an expression, ie returns a value. So the effect of every compile
     # is that a value is put into the ReturnSlot of the current Message.
-    # The compile method (so every compile method) returns the value that it deposits which
+    # The compile method (so every compile method) returns the value that it deposits.
-    # may be unknown Unknown value.
     #
     # The process uses a visitor pattern (from AST::Processor) to dispatch according to the
     # type the expression. So a s(:if xx) will become an on_if(node) call.

lib/bosl/compiler/basic_expressions.rb

@@ -72,9 +72,5 @@ module Bosl
         r
       end
 
-      def on_variable expression
-        method.source.add_code InstanceGet.new(expression.name)
-        Virtual::Return.new( Unknown )
-      end
   end
 end

lib/parfait/method.rb

@@ -11,10 +11,9 @@ module Parfait
   # name
   # arg_names
   # known local variable names
-  # temp variables (numbered)
   # executable code
 
-  # ps, the compiler injects its own info, see virtual::compiled_method_info
+  # ps, the compiler injects its own info, see Virtual::MethodSource
 
 
   class Method < Object

lib/virtual/method_source.rb

@@ -5,8 +5,6 @@ module Virtual
   # runtime, ie found in Parfait::Method
 
   # the source we create here is injected into the method and used only at compile-time
-  # receiver
-  # return arg (usually mystery, but for coded ones can be more specific)
 
   #
   # Methods are one step up from to VM::Blocks. Where Blocks can be jumped to, Methods can be called.

lib/virtual/type.rb

@@ -1,7 +1,7 @@
 
 module Virtual
-  # Integer and (Object) References are the main derived classes, but float will come and ...
+  # Integer and (Object) References are the main derived classes, but float will come.
-  # The Unknown Type has unknown type and has only casting methods. So it must be cast to be useful.
+  
   class Type
     def == other
       return false unless other.class == self.class
@@ -9,7 +9,7 @@ module Virtual
     end
 
     # map from a type sym (currently :int/:ref) to a class of subtype of Type
-    # TODO needs to be made extensible in a defined way.  
+    # TODO needs to be made extensible in a defined way.
     def self.from_sym type
       case type
       when :int

test/compiler/test_basic.rb

@@ -46,12 +46,6 @@ class TestBasic < MiniTest::Test
     check
   end
 
-  def ttest_field
-    @string_input    = 'self.foo_bar '
-    @output = "- Virtual::Return(:type => Virtual::Unknown)"
-    check
-  end
-
   def pest_module_name
     @string_input    = 'FooBar '
     @output = ""