rename

lib/ast/if_expression.rb

@@ -13,7 +13,7 @@ module Ast
       is = cond.compile(method,message)
       # TODO should/will use different branches for different conditions. 
       # just a scetch : cond_val = cond_val.is_true?(method) unless cond_val.is_a? Virtual::BranchCondition
-      method.add_code Virtual::ImplicitBranch.new( true_block )
+      method.add_code Virtual::IsTrueBranch.new( true_block )
 
       # compile the true block (as we think of it first, even it is second in sequential order)
       method.current true_block

lib/ast/while_expression.rb

@@ -5,7 +5,7 @@ module Ast
       start = Virtual::Label.new("while_start")
       method.add_code start
       is = condition.compile(method,message)
-      branch = Virtual::ImplicitBranch.new "while"
+      branch = Virtual::IsTrueBranch.new "while"
       merge = Virtual::Label.new(branch.name)
       branch.other = merge   #false jumps to end of while
       method.add_code branch

lib/virtual/instructions/control.rb

@@ -31,7 +31,7 @@ module Virtual
 
   # implicit means there is no explcit test involved.
   # normal ruby rules are false and nil are false, EVERYTHING else is true (and that includes 0)
-  class ImplicitBranch < Branch
+  class IsTrueBranch < Branch
   end
 
   class UnconditionalBranch < Branch