Fix if logic error

ifs may have an empty true block
Especially for unlesses thet is normal, so allow

lib/ruby/if_statement.rb

@@ -23,7 +23,7 @@ module Ruby
 
     def to_vool
       cond , rest = *normalize_name(@condition)
-      me = Vool::IfStatement.new(cond.to_vool , @if_true.to_vool, @if_false&.to_vool)
+      me = Vool::IfStatement.new(cond.to_vool , @if_true&.to_vool, @if_false&.to_vool)
       return me unless rest
       Vool::Statements.new([ rest.to_vool , me])
     end
@@ -37,7 +37,8 @@ module Ruby
     end
 
     def to_s(depth = 0)
-      parts = ["if(#{@condition})" , @if_true.to_s(depth + 1) ]
+      parts = ["if(#{@condition})" ]
+      parts << @if_true.to_s(depth + 1) if(@if_true)
       parts += ["else" ,  @if_false.to_s(depth + 1)] if(@if_false)
       parts << "end"
       at_depth(depth , *parts )

lib/ruby/ruby_compiler.rb

@@ -16,7 +16,7 @@ module Ruby
   end
 
   # This RubyCompiler compiles incoming ruby (string) into a typed
-  # version of theast, with the help of the parser gem.
+  # version of the ast, with the help of the parser gem.
   # The parser outputs an abstract ast (nodes)
   # that get transformed into concrete, specific classes.
   #

test/rubyx/helper.rb

@@ -6,17 +6,19 @@ module RubyX
     def setup
     end
     def ruby_to_risc(input , options = {})
-      mom = ruby_to_mom(input)
+      mom = ruby_to_mom(input , options)
       mom.translate(options[:platform] || :interpreter)
     end
     def ruby_to_vool(input, options = {})
-      RubyXCompiler.new(RubyX.default_test_options).ruby_to_vool(input)
+      options = RubyX.default_test_options.merge(options)
+      RubyXCompiler.new(options).ruby_to_vool(input)
     end
     def ruby_to_mom(input , options = {})
-      RubyXCompiler.new(RubyX.default_test_options).ruby_to_mom(input)
+      options = RubyX.default_test_options.merge(options)
+      RubyXCompiler.new(options).ruby_to_mom(input)
     end
     def compile_in_test( input , options = {})
-      vool = ruby_to_vool in_Test(input)
+      vool = ruby_to_vool(in_Test(input) , options)
       vool.to_mom(nil)
       itest = Parfait.object_space.get_class_by_name(:Test)
       assert itest