Make HelloWorld pass the tests

Author: nicolasstucki

tests/run-with-compiler-custom-args/tasty-interpreter/Test.scala

@@ -60,7 +60,7 @@ object Test {
       "<<<<<<<<<<<<<<<<<<"
     )
 
-//    compileAndInterpret("HelloWorld")
+    compileAndInterpret("HelloWorld")
 //    compileAndInterpret("i3518")
 //    compileAndInterpret("withIndex")
   }
@@ -77,7 +77,7 @@ object Test {
     val actualOutput = interpret(out.toString)("Test")
 
     val checkFile = java.nio.file.Paths.get("tests/run/" + testName + ".check")
-    val expectedOutput = Source.fromFile(checkFile.toFile).getLines().mkString("\n")
+    val expectedOutput = Source.fromFile(checkFile.toFile).getLines().mkString("", "\n", "\n")
 
     assert(expectedOutput == actualOutput,
       "\n>>>>>>>>>>>>>>>>>>\n" +

tests/run-with-compiler-custom-args/tasty-interpreter/interpreter/TreeInterpreter.scala

@@ -155,7 +155,12 @@ abstract class TreeInterpreter[R <: Reflection & Singleton](val reflect: R) {
 
   inline def log[T](tag: => String, tree: => Statement)(thunk: => T): T = {
     if (LOG)
-      println(s"#> $tag: ${tree.show}")
+      println(
+        s"""#> $tag:
+           |${tree.showCode}
+           |${tree.show}
+           |
+           |""".stripMargin)
     thunk
   }