renaming, making space for extra layer

lib/ast/while_expression.rb

@@ -1,31 +0,0 @@
-module Ast
-  class WhileExpression < Expression
-#    attr_reader  :condition, :body
-    def compile context
-      into = context.function
-      ret = into.new_block "while_end"
-      while_block = into.new_block "while_start"
-      into.insert_at while_block
-      
-      puts "compiling while condition #{condition}"
-      cond_val = condition.compile(context)
-      into.b ret , condition_code: cond_val.not_operator
-      into.insertion_point.branch = ret
-
-      last = nil
-
-      body.each do |part|
-        puts "compiling in while #{part}"
-        last = part.compile(context)
-      end
-      into.b while_block
-      into.insertion_point.branch = while_block
-      
-      puts "compile while end"
-      into.insert_at ret
-      return last
-    end
-  end
-
-  
-end