--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cw5_marking/c4.sc	Mon Feb 03 12:34:38 2025 +0000
@@ -0,0 +1,40 @@
+// for testing compilation
+import scala.util.{Try, Success, Failure}
+
+//println("TEST1")
+
+val res = {
+  if (os.exists(os.pwd / "mand.ll")) 
+    os.proc("lli", "mand.ll").call(cwd = os.pwd, check = false)
+  else throw new Exception("No CLASS file found")
+}
+
+//println("TEST2")
+
+/*
+if (res.exitCode != 0) {
+  throw new Exception("Unsuccessful call")
+}
+*/
+
+def pp(s1: String, s2: String) = {
+  val s1a = s1.split("\n").toList
+  val s2a = s2.split("\n").toList
+  for (n <- 0 to (s1a.length - 1)) {
+    println(s"|${s1a(n)}|")
+    println(s">${Try(s2a(n)).getOrElse("")}<")
+  }
+}
+
+//println("TEST3")
+
+val out = os.read(os.pwd / "mand.out")
+
+//println("TEST4")
+
+Try(res.out.text()) match {
+  case Success(v) if v == out => println(s"   Success. Printed out the correct picture.\n")
+  case Success(v) => println(s"   Printed out wrong or no picture.\n${pp(v, out)}") ; throw new Exception("Wrong picture")
+  case Failure(e) => println(s"   Fail. Printed ${res.out.text()} instead\n") ; throw(e)
+}
+