increase cache version

examples/runConfig.json

@@ -23,4 +23,4 @@
     "default": "normal",
     "integratePackmodeMod": false
   }
-}
+}

src/main/java/com/cleanroommc/groovyscript/sandbox/GroovyScriptSandbox.java

@@ -41,19 +41,28 @@
 
 public class GroovyScriptSandbox extends GroovySandbox {
 
+    /**
+     * Changing this number will force the cache to be deleted and every script has to be recompiled.
+     * Useful when changes to the compilation process were made.
+     */
+    public static final int CACHE_VERSION = 2;
+    /**
+     * Setting this to false will cause compiled classes to never be cached.
+     * As a side effect some compilation behaviour might change. Can be useful for debugging.
+     */
+    public static final boolean ENABLE_CACHE = true;
+    /**
+     * Setting this to true will cause the cache to be deleted before each script run.
+     * Useful for debugging.
+     */
+    public static final boolean DELETE_CACHE_ON_RUN = false;
+
     private final File cacheRoot;
     private final File scriptRoot;
     private final ImportCustomizer importCustomizer = new ImportCustomizer();
     private final Map<List<StackTraceElement>, AtomicInteger> storedExceptions;
-    /**
-     * Version of the cache. Used to auto delete current cache if changes to the cache system were made.
-     * 1: Default
-     */
-    private int cacheVersion = 1;
     private final Map<String, CompiledScript> index = new Object2ObjectOpenHashMap<>();
 
-    public static final boolean ENABLE_CACHE = true;
-
     private LoadStage currentLoadStage;
 
     public GroovyScriptSandbox(File scriptRoot, File cacheRoot) throws MalformedURLException {
@@ -105,9 +114,9 @@ private void readIndex() {
         JsonElement jsonElement = JsonHelper.loadJson(new File(this.cacheRoot, "_index.json"));
         if (jsonElement == null || !jsonElement.isJsonObject()) return;
         JsonObject json = jsonElement.getAsJsonObject();
-        this.cacheVersion = json.get("version").getAsInt();
-        if (this.cacheVersion != 1) {
-            // only version 1 allowed currently
+        int cacheVersion = json.get("version").getAsInt();
+        if (cacheVersion != CACHE_VERSION) {
+            // cache version changed -> force delete cache
             deleteScriptCache();
             return;
         }
@@ -125,7 +134,7 @@ private void writeIndex() {
         if (!ENABLE_CACHE) return;
         JsonObject json = new JsonObject();
         json.addProperty("!DANGER!", "DO NOT EDIT THIS FILE!!!");
-        json.addProperty("version", this.cacheVersion);
+        json.addProperty("version", CACHE_VERSION);
         JsonArray index = new JsonArray();
         json.add("index", index);
         for (Map.Entry<String, CompiledScript> entry : this.index.entrySet()) {
@@ -241,9 +250,8 @@ public void onCompileClass(SourceUnit su, String path, Class<?> clazz, byte[] co
     }
 
     /**
-     * Called via mixin when a script class needs to be recompiled. This happens when a script was loaded because
-     * another script depends on it. Groovy will then try to compile the script again. If we already compiled the class
-     * we just stop the compilation process.
+     * Called via mixin when a script class needs to be recompiled. This happens when a script was loaded because another script depends on
+     * it. Groovy will then try to compile the script again. If we already compiled the class we just stop the compilation process.
      */
     @ApiStatus.Internal
     public Class<?> onRecompileClass(GroovyClassLoader classLoader, URL source, String className) {
@@ -321,6 +329,7 @@ protected void initEngine(GroovyScriptEngine engine, CompilerConfiguration confi
 
     @Override
     protected void preRun() {
+        if (DELETE_CACHE_ON_RUN) deleteScriptCache();
         // first clear all added events
         GroovyEventManager.INSTANCE.reset();
         if (this.currentLoadStage.isReloadable() && !ReloadableRegistryManager.isFirstLoad()) {