Adding some test cases for the pre-processor. (Total hack, requires copying and pasting code from the actual app source into another file and running a shell script, but it's better than nothing.)

app/preproc/test/data/foo3.cpp

@@ -0,0 +1,19 @@
+void setup() // run once, when the sketch starts 
+{ 
+    ;
+} 
+
+void loop() // run over and over again 
+{ 
+  ;
+} 
+
+/*
+void loop(){ 
+   if (1){ 
+	 ;
+   }
+else if(0){ 
+    ;
+} 
+} */