From 837317c84cc921c0ba045c5ea151b41d7d98d0e8 Mon Sep 17 00:00:00 2001
From: Daniel Holle <dholle@hb.dhbw-stuttgart.de>
Date: Fri, 27 Oct 2023 15:28:46 +0200
Subject: [PATCH] Make System.out.println work

---
 resources/bytecode/javFiles/HelloWorld.jav              | 9 +++++++++
 src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java | 4 ++++
 src/test/java/TestComplete.java                         | 8 ++++++++
 3 files changed, 21 insertions(+)
 create mode 100644 resources/bytecode/javFiles/HelloWorld.jav

diff --git a/resources/bytecode/javFiles/HelloWorld.jav b/resources/bytecode/javFiles/HelloWorld.jav
new file mode 100644
index 00000000..ff3df087
--- /dev/null
+++ b/resources/bytecode/javFiles/HelloWorld.jav
@@ -0,0 +1,9 @@
+import java.lang.System;
+import java.lang.String;
+import java.io.PrintStream;
+
+public class HelloWorld {
+    static hello() {
+        System.out.println("Hello World!");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
index 9a36f871..c337dcd0 100644
--- a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
+++ b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
@@ -119,6 +119,10 @@ public class JavaTXCompiler {
 				if (clazz.getClassName().equals(name)) return clazz;
 			}
 		}
+		try {
+			var clazz = classLoader.loadClass(name.toString());
+			return ASTFactory.createClass(clazz);
+		} catch (ClassNotFoundException ignored) {}
 		return null;
 	}
 
diff --git a/src/test/java/TestComplete.java b/src/test/java/TestComplete.java
index e4e5849b..3b7386ec 100644
--- a/src/test/java/TestComplete.java
+++ b/src/test/java/TestComplete.java
@@ -754,4 +754,12 @@ public class TestComplete {
         var m = clazz.getDeclaredMethod("m");
         assertEquals(m.invoke(instance), 5);
     }
+
+    @Test
+    public void testHelloWorld() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "HelloWorld.jav");
+        var clazz = classFiles.get("HelloWorld");
+        var hello = clazz.getDeclaredMethod("hello");
+        hello.invoke(null);
+    }
 }