move the code insertion functionality up to function. makes more sense. block still carries code though

lib/ast/while_expression.rb

@@ -1,18 +1,21 @@
 module Ast
   class WhileExpression < Expression
 #    attr_reader  :condition, :body
-    def compile context , into
-      while_block = into.new_block "#{into.name}_while"
-      ret = while_block.new_block "#{into.name}_return"
+    def compile context
+      into = context.function
+      while_block = into.new_block "while"
+      ret = while_block.new_block "return"
+      into.insert_at while_block
       puts "compiling while condition #{condition}"
-      cond_val = condition.compile(context , while_block)
+      cond_val = condition.compile(context)
       while_block.b ret , condition_code: cond_val.not_operator
       while_block.branch = ret
 
       last = nil
+
       body.each do |part|
         puts "compiling in while #{part}"
-        last = part.compile(context , while_block )
+        last = part.compile(context)
       end
       while_block.b while_block
       puts "compile while end"