--- a/progs/compile.scala	Mon Nov 14 15:50:42 2016 +0000
+++ b/progs/compile.scala	Sat Jan 07 14:52:26 2017 +0000
@@ -1,5 +1,5 @@
 // A Small Compiler for the WHILE Language
-// 
+// (it does not use a parser and lexer)
 
 // the abstract syntax trees
 abstract class Stmt
@@ -94,6 +94,9 @@
 .end method
 """
 
+println("starting")
+
+
 // for generating new labels
 var counter = -1
 
@@ -221,7 +224,25 @@
 //
 //    java fib/fib
 
+import scala.util._
+import scala.sys.process._
+import scala.io
+
+def compile_tofile(bl: Block, class_name: String) = {
+  val output = compile(bl, class_name)
+  val fw = new java.io.FileWriter(class_name + ".j") 
+  fw.write(output) 
+  fw.close()
+}
+
+def compile_and_run(bl: Block, class_name: String) : Unit = {
+  compile_tofile(bl, class_name)
+  println("compiled ")
+  val test = ("java -jar jvm/jasmin-2.4/jasmin.jar " + class_name + ".j").!!
+  println("assembled ")
+  ("java " + class_name + "/" + class_name).!!
+}
 
 
+compile_and_run(fib_test, "fib")
 
-