Add OnCompileError handler and v8::CompileError debug event

src/debug-debugger.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Default number of frames to include in the response to backtrace request.
 var kDefaultBacktraceLength = 10;
 
 var Debug = {};
 
 // Regular expression to skip "crud" at the beginning of a source line which is
 // not really code. Currently the regular expression matches whitespace and
 // comments.
 var sourceLineBeginningSkip = /^(?:\s*(?:\/\*.*?\*\/)*)*/;
 
 // Debug events which can occour in the V8 JavaScript engine. These originate
 // from the API include file debug.h.
 Debug.DebugEvent = { Break: 1,
                      Exception: 2,
                      NewFunction: 3,
                      BeforeCompile: 4,
                      AfterCompile: 5,
-                     ScriptCollected: 6 };
+                     ScriptCollected: 6,
+                     CompileError: 7 };
 
 // Types of exceptions that can be broken upon.
 Debug.ExceptionBreak = { Caught : 0,
                          Uncaught: 1 };
 
 // The different types of steps.
 Debug.StepAction = { StepOut: 0,
                      StepNext: 1,
                      StepIn: 2,
                      StepMin: 3,
@@ skipping 1103 matching lines @@
       o.body.script = MakeScriptObject_(script, false);
     }
   } else {
     o.body.sourceLine = -1;
   }
 
   return o.toJSONProtocol();
 };
 
 
-function MakeCompileEvent(script, before) {
-  return new CompileEvent(script, before);
+function MakeCompileEvent(script, type) {
+  return new CompileEvent(script, type);
 }
 
 
-function CompileEvent(script, before) {
+function CompileEvent(script, type) {
   this.script_ = MakeMirror(script);
-  this.before_ = before;
+  this.type_ = type;
 }
 
 
 CompileEvent.prototype.eventType = function() {
-  if (this.before_) {
-    return Debug.DebugEvent.BeforeCompile;
-  } else {
-    return Debug.DebugEvent.AfterCompile;
-  }
+  return this.type_;
 };
 
 
 CompileEvent.prototype.script = function() {
   return this.script_;
 };
 
 
 CompileEvent.prototype.toJSONProtocol = function() {
   var o = new ProtocolMessage();
   o.running = true;
-  if (this.before_) {
-    o.event = "beforeCompile";
-  } else {
-    o.event = "afterCompile";
+  switch (this.type_) {
+    case Debug.DebugEvent.BeforeCompile:
+      o.event = "beforeCompile";
+    case Debug.DebugEvent.AfterCompile:
+      o.event = "afterCompile";
+    case Debug.DebugEvent.CompileError:
+      o.event = "compileError";
   }
   o.body = {};
   o.body.script = this.script_;
 
   return o.toJSONProtocol();
 };
 
 
 function MakeScriptCollectedEvent(id) {
   return new ScriptCollectedEvent(id);
@@ skipping 1351 matching lines @@
 
     default:
       json = null;
   }
   return json;
 }
 
 Debug.TestApi = {
   CommandProcessorResolveValue: DebugCommandProcessor.resolveValue_
 };