Converted Observatory vm-view && isolate-view elements

runtime/observatory/lib/src/elements/debugger.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library debugger_page_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:math';
 import 'observatory_element.dart';
+import 'package:observatory/event.dart';
+import 'package:observatory/models.dart' as M;
 import 'package:observatory/app.dart';
 import 'package:observatory/cli.dart';
 import 'package:observatory/debugger.dart';
 import 'package:observatory/service.dart';
 import 'package:logging/logging.dart';
 import 'package:polymer/polymer.dart';
 
 // TODO(turnidge): Move Debugger, DebuggerCommand to debugger library.
 abstract class DebuggerCommand extends Command {
   ObservatoryDebugger debugger;
@@ skipping 460 matching lines @@
       '        log ALL      '
       '# Display all log messages.\n';
 }
 
 class FinishCommand extends DebuggerCommand {
   FinishCommand(Debugger debugger) : super(debugger, 'finish', []);
 
   Future run(List<String> args) {
     if (debugger.isolatePaused()) {
       var event = debugger.isolate.pauseEvent;
-      if (event.kind == ServiceEvent.kPauseStart) {
+      if (event is M.PauseStartEvent) {
         debugger.console.print(
             "Type 'continue' [F7] or 'step' [F10] to start the isolate");
         return new Future.value(null);
       }
-      if (event.kind == ServiceEvent.kPauseExit) {
+      if (event  is M.PauseExitEvent) {
         debugger.console.print("Type 'continue' [F7] to exit the isolate");
         return new Future.value(null);
       }
       return debugger.isolate.stepOut();
     } else {
       debugger.console.print('The program is already running');
       return new Future.value(null);
     }
   }
 
@@ skipping 954 matching lines @@
       console.printRed("Unexpected error in refreshStack: $e\n$st");
     }
   }
 
   bool isolatePaused() {
     // TODO(turnidge): Stop relying on the isolate to track the last
     // pause event.  Since we listen to events directly in the
     // debugger, this could introduce a race.
     return (isolate != null &&
             isolate.pauseEvent != null &&
-            isolate.pauseEvent.kind != ServiceEvent.kResume);
+            isolate.pauseEvent is M.ResumeEvent);
   }
 
   void warnOutOfDate() {
     // Wait a bit, then tell the user that the stack may be out of date.
     new Timer(const Duration(seconds:2), () {
       if (!isolatePaused()) {
         stackElement.isSampled = true;
       }
     });
   }
 
-  Future<ServiceMap> _refreshStack(ServiceEvent pauseEvent) {
+  Future<ServiceMap> _refreshStack(M.DebugEvent pauseEvent) {
     return isolate.getStack().then((result) {
       if (result.isSentinel) {
         // The isolate has gone away.  The IsolateExit event will
         // clear the isolate for the debugger page.
         return;
       }
       stack = result;
       stackElement.updateStack(stack, pauseEvent);
       if (stack['frames'].length > 0) {
         currentFrame = 0;
@@ skipping 13 matching lines @@
     } else if (_isolate.running) {
       console.print("Isolate is running (type 'pause' to interrupt)");
     } else if (_isolate.pauseEvent != null) {
       _reportPause(_isolate.pauseEvent);
     } else {
       console.print('Isolate is in unknown state');
     }
     warnOutOfDate();
   }
 
-  void _reportIsolateError(Isolate isolate, String eventKind) {
+  void _reportIsolateError(Isolate isolate, M.DebugEvent event) {
     if (isolate == null) {
       return;
     }
     DartError error = isolate.error;
     if (error == null) {
       return;
     }
     console.newline();
-    if (eventKind == ServiceEvent.kPauseException) {
+    if (event is M.PauseExceptionEvent) {
       console.printBold('Isolate will exit due to an unhandled exception:');
     } else {
       console.printBold('Isolate has exited due to an unhandled exception:');
     }
     console.print(error.message);
     console.newline();
-    if (eventKind == ServiceEvent.kPauseException &&
+    if (event  is M.PauseExceptionEvent &&
         (error.exception.isStackOverflowError ||
          error.exception.isOutOfMemoryError)) {
       console.printBold(
           'When an unhandled stack overflow or OOM exception occurs, the VM '
           'has run out of memory and cannot keep the stack alive while '
           'paused.');
     } else {
       console.printBold("Type 'set break-on-exception Unhandled' to pause the"
                         " isolate when an unhandled exception occurs.");
       console.printBold("You can make this the default by running with "
                         "--pause-isolates-on-unhandled-exceptions");
     }
   }
 
-  void _reportPause(ServiceEvent event) {
-    if (event.kind == ServiceEvent.kNone) {
+  void _reportPause(M.DebugEvent event) {
+    if (event is M.NoneEvent) {
       console.print("Paused until embedder makes the isolate runnable.");
-    } else if (event.kind == ServiceEvent.kPauseStart) {
+    } else if (event is M.PauseStartEvent) {
       console.print(
           "Paused at isolate start "
           "(type 'continue' [F7] or 'step' [F10] to start the isolate')");
-    } else if (event.kind == ServiceEvent.kPauseExit) {
+    } else if (event is M.PauseExitEvent) {
       console.print(
           "Paused at isolate exit "
           "(type 'continue' or [F7] to exit the isolate')");
-      _reportIsolateError(isolate, event.kind);
-    } else if (event.kind == ServiceEvent.kPauseException) {
+      _reportIsolateError(isolate, event);
+    } else if (event is M.PauseExceptionEvent) {
       console.print(
           "Paused at an unhandled exception "
           "(type 'continue' or [F7] to exit the isolate')");
-      _reportIsolateError(isolate, event.kind);
+      _reportIsolateError(isolate, event);
     } else if (stack['frames'].length > 0) {
       Frame frame = stack['frames'][0];
       var script = frame.location.script;
       script.load().then((_) {
         var line = script.tokenToLine(frame.location.tokenPos);
         var col = script.tokenToCol(frame.location.tokenPos);
-        if (event.breakpoint != null) {
-          var bpId = event.breakpoint.number;
-          console.print('Paused at breakpoint ${bpId} at '
-                        '${script.name}:${line}:${col}');
-        } else if (event.exception != null) {
+        if ((event is M.PauseBreakpointEvent) &&
+            (event.breakpoint != null)) {
+            var bpId = event.breakpoint.number;
+            console.print('Paused at breakpoint ${bpId} at '
+                          '${script.name}:${line}:${col}');
+        } else if ((event is M.PauseExceptionEvent) &&
+                   (event.exception != null)) {
           console.print('Paused due to exception at '
                         '${script.name}:${line}:${col}');
           // This seems to be missing if we are paused-at-exception after
           // paused-at-isolate-exit. Maybe we shutdown part of the debugger too
           // soon?
           console.printRef(event.exception);
         } else {
           console.print('Paused at ${script.name}:${line}:${col}');
         }
       });
@@ skipping 94 matching lines @@
           console.print('Isolate reloaded.');
         }
         break;
 
       case ServiceEvent.kPauseStart:
       case ServiceEvent.kPauseExit:
       case ServiceEvent.kPauseBreakpoint:
       case ServiceEvent.kPauseInterrupted:
       case ServiceEvent.kPauseException:
         if (event.owner == isolate) {
-          _refreshStack(event).then((_) async {
+          var e = createEventFromServiceEvent(event);
+          _refreshStack(e).then((_) async {
             flushStdio();
             if (isolate != null) {
               await isolate.reload();
             }
-            _reportPause(event);
+            _reportPause(e);
           });
         }
         break;
 
       case ServiceEvent.kResume:
         if (event.owner == isolate) {
           flushStdio();
           console.print('Continuing...');
         }
         break;
@@ skipping 173 matching lines @@
         return isolate.stepOverAsyncSuspension();
       }
     } else {
       console.print('The program is already running');
     }
   }
 
   Future syncNext() async {
     if (isolatePaused()) {
       var event = isolate.pauseEvent;
-      if (event.kind == ServiceEvent.kPauseStart) {
+      if (event is M.PauseStartEvent) {
         console.print("Type 'continue' [F7] or 'step' [F10] to start the isolate");
         return null;
       }
-      if (event.kind == ServiceEvent.kPauseExit) {
+      if (event is M.PauseExitEvent) {
         console.print("Type 'continue' [F7] to exit the isolate");
         return null;
       }
       return isolate.stepOver();
     } else {
       console.print('The program is already running');
       return null;
     }
   }
 
   Future step() {
     if (isolatePaused()) {
       var event = isolate.pauseEvent;
-      if (event.kind == ServiceEvent.kPauseExit) {
+      if (event is M.PauseExitEvent) {
         console.print("Type 'continue' [F7] to exit the isolate");
         return new Future.value(null);
       }
       return isolate.stepInto();
     } else {
       console.print('The program is already running');
       return new Future.value(null);
     }
   }
 }
@@ skipping 234 matching lines @@
     if (messageElements.isNotEmpty) {
       // Update old messages.
       for (int i = 0; i < newStartingIndex; i++) {
         messageElements[i].children[0].updateMessage(newMessages[i]);
       }
     }
 
     hasMessages = messageElements.isNotEmpty;
   }
 
-  void updateStack(ServiceMap newStack, ServiceEvent pauseEvent) {
+  void updateStack(ServiceMap newStack, M.DebugEvent pauseEvent) {
     updateStackFrames(newStack);
     updateStackMessages(newStack);
     isSampled = pauseEvent == null;
   }
 
   void setCurrentFrame(int value) {
     currentFrame = value;
     List frameElements = $['frameList'].children;
     for (var frameElement in frameElements) {
       var dbgFrameElement = frameElement.children[0];
@@ skipping 532 matching lines @@
         }
       });
   }
 
   void focus() {
     $['textBox'].focus();
   }
 
   DebuggerInputElement.created() : super.created();
 }