PApplet: Add log

Signed-off-by: Ce Gao <[email protected]>

Author: gaocegege

src/rprocessing/RLangPApplet.java

@@ -11,7 +11,6 @@
 
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
-import javax.script.ScriptException;
 
 import org.renjin.eval.EvalException;
 import org.renjin.parser.RParser;
@@ -259,6 +258,7 @@ public void start() {
       public void uncaughtException(final Thread t, final Throwable e) {
         terminalException = toSketchException(e);
         try {
+          log("There is an unexpected exception.");
           handleMethods("dispose");
         } catch (final Exception noop) {
           // give up
@@ -295,8 +295,11 @@ public void setup() {
     wrapProcessingVariables();
     if (this.mode == Mode.STATIC) {
       try {
+        log("The mode is static, run the program directly.");
         this.renjinEngine.eval(this.programText);
-      } catch (ScriptException exception) {
+        log("Evaluate the code in static mode.");
+      } catch (final Exception exception) {
+        log("There is exception when evaluate the code in static mode.");
         terminalException = toSketchException(exception);
         exitActual();
       }
@@ -308,6 +311,7 @@ public void setup() {
     } else {
       System.out.println("The program is in mix mode now.");
     }
+    log("Setup done");
   }
 
   /**
@@ -388,6 +392,10 @@ private static RSketchError toSketchException(Throwable t) {
       final RSketchError e = (RSketchError) t;
       return e;
     }
+    if (t instanceof ClassCastException) {
+      final RSketchError e = (RSketchError) t;
+      return e;
+    }
     log("No exception type detected.");
     return null;
   }