a start on conditionals

lib/vool/compiler.rb

@@ -127,11 +127,14 @@ module Vool
       w
     end
 
-    def on_if_statement statement
-      branch_type , condition , if_true , if_false = *statement
+    def on_if statement
+#      puts "IF #{statement}"
+      condition , if_true , if_false = *statement
       w = IfStatement.new()
-      w.branch_type = branch_type
       w.condition = process(condition)
+      if(w.condition.is_a?(ScopeStatement) and w.condition.single?)
+        w.condition = w.condition.first
+      end
       w.if_true = process(if_true)
       w.if_false = process(if_false)
       w

lib/vool/if_statement.rb

@@ -1,5 +1,19 @@
 module Vool
   class IfStatement < Statement
-    attr_accessor :branch_type , :condition , :if_true , :if_false
+    attr_accessor :condition , :if_true , :if_false
+
+    def initialize( cond  = nil)
+      @condition = cond
+      @if_true = []
+      @if_false = []
+    end
+
+    def has_false?
+      @if_false != nil
+    end
+
+    def has_true?
+      @if_true != nil
+    end
   end
 end

lib/vool/statements.rb

@@ -4,6 +4,15 @@ module Vool
     def initialize(statements)
       @statements = statements
     end
+    def empty?
+      @statements.empty?
+    end
+    def single?
+      @statements.length == 1
+    end
+    def first
+      @statements.first
+    end
   end
 
   class ScopeStatement < Statements