Added Debugger shows (logs) unhandled exceptions

CHANGELOG.md

@@ -11,6 +11,7 @@ All notable changes to this project will be documented in this file.
 - Label that flex compiler is used (when it's enabled in settings)
 - [#2119] Option to export assets with names like their assigned classes via SymbolClass, without character id
 - [#2119] Bulk imported assets can also match filenames based on assigned classname, not just character id prefix
+- Debugger shows (logs) unhandled exceptions
 
 ### Fixed
 - [#2021], [#2000] Caret position in editors when using tabs and / or unicode

src/com/jpexs/decompiler/flash/gui/DebugPanel.java

@@ -139,6 +139,21 @@ public class DebugPanel extends JPanel {
         }
 
     }
+    
+    private void logAdd(String message) {
+        boolean wasEmpty = logLength == 0;
+        String add = message + "\r\n";
+        logLength += add.length();
+        traceLogTextarea.append(add);
+        try {
+            traceLogTextarea.setCaretPosition(logLength);
+        } catch (IllegalArgumentException iex) {
+            //ignore
+        }
+        if (wasEmpty) {
+            refresh();
+        }
+    }
 
     public DebugPanel() {
         super(new BorderLayout());
@@ -273,21 +288,19 @@ public class DebugPanel extends JPanel {
             @Override
             public void trace(String... val) {
                 for (String s : val) {
-                    String add = "trace: " + s + "\r\n";
-                    boolean wasEmpty = logLength == 0;
-                    logLength += add.length();
-                    traceLogTextarea.append(add);
-                    try {
-                        traceLogTextarea.setCaretPosition(logLength);
-                    } catch (IllegalArgumentException iex) {
-                        //ignore
-                    }
-                    if (wasEmpty) {
-                        refresh();
-                    }
+                    logAdd("trace: " + s);
                 }
             }
         });
+        
+        Main.getDebugHandler().addErrorListener(new DebuggerHandler.ErrorListener() {
+            @Override
+            public void errorException(String message, Variable thrownVar) {
+                logAdd("unhandled exception: " + message);
+                selectedTab = tabTypes.get(tabTypes.size() - 1);
+                refresh();
+            }            
+        });
 
         Main.getDebugHandler().addConnectionListener(new DebuggerHandler.ConnectionListener() {
 

src/com/jpexs/decompiler/flash/gui/DebuggerHandler.java

@@ -31,6 +31,7 @@ import com.jpexs.debugger.flash.messages.in.InBreakReason;
 import com.jpexs.debugger.flash.messages.in.InCallFunction;
 import com.jpexs.debugger.flash.messages.in.InConstantPool;
 import com.jpexs.debugger.flash.messages.in.InContinue;
+import com.jpexs.debugger.flash.messages.in.InErrorException;
 import com.jpexs.debugger.flash.messages.in.InFrame;
 import com.jpexs.debugger.flash.messages.in.InGetSwd;
 import com.jpexs.debugger.flash.messages.in.InGetSwf;
@@ -359,6 +360,8 @@ public class DebuggerHandler implements DebugConnectionListener {
 
     private final List<TraceListener> traceListeners = new ArrayList<>();
     
+    private final List<ErrorListener> errorListeners = new ArrayList<>();
+    
     private final List<FrameChangeListener> frameChangeListeners = new ArrayList<>();
 
     private final List<ConnectionListener> clisteners = new ArrayList<>();
@@ -413,6 +416,10 @@ public class DebuggerHandler implements DebugConnectionListener {
         public void trace(String... val);
     }
     
+    public static interface ErrorListener {
+        public void errorException(String message, Variable thrownVar);                
+    }
+    
     public static interface FrameChangeListener {
 
         public void frameChanged();
@@ -444,6 +451,14 @@ public class DebuggerHandler implements DebugConnectionListener {
     public void removeTraceListener(TraceListener l) {
         traceListeners.remove(l);
     }
+    
+    public void addErrorListener(ErrorListener l) {
+        errorListeners.add(l);
+    }
+
+    public void removeErrorListener(ErrorListener l) {
+        errorListeners.remove(l);
+    }
 
     public void removeBreakListener(BreakListener l) {
         breakListeners.remove(l);
@@ -610,6 +625,17 @@ public class DebuggerHandler implements DebugConnectionListener {
         boolean isAS3 = (Main.getMainFrame().getPanel().getCurrentSwf().isAS3());
         try {
 
+            
+            con.addMessageListener(new DebugMessageListener<InErrorException>() {
+                @Override
+                public void message(InErrorException t) {
+                    for (ErrorListener l : errorListeners) {
+                        l.errorException(t.exceptionMessage, t.thrownVar);
+                    }
+                    con.dropMessage(t);
+                }                
+            });
+            
             con.addMessageListener(new DebugMessageListener<InNumScript>() {
                 @Override
                 public void message(InNumScript t) {