Allow setting break-on-exceptions option over the service protocol.

runtime/vm/debugger.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/debugger.h"
 
 #include "include/dart_api.h"
 
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
@@ skipping 462 matching lines @@
     Breakpoint* bpt = sbpt->breakpoints();
     while (bpt != NULL) {
       jsarr->AddValue(bpt);
       bpt = bpt->next();
     }
     sbpt = sbpt->next_;
   }
 }
 
 
+void Debugger::PrintSettingsToJSONObject(JSONObject* jsobj) const {
+  // This won't cut it when we support filtering by class, etc.
+  switch (GetExceptionPauseInfo()) {
+    case kNoPauseOnExceptions:
+      jsobj->AddProperty("_exceptions", "none");
+      break;
+    case kPauseOnAllExceptions:
+      jsobj->AddProperty("_exceptions", "all");
+      break;
+    case kPauseOnUnhandledExceptions:
+      jsobj->AddProperty("_exceptions", "unhandled");
+      break;
+    default:
+      UNREACHABLE();
+  }
+}
+
+
 RawString* ActivationFrame::QualifiedFunctionName() {
   return String::New(Debugger::QualifiedFunctionName(function()));
 }
 
 
 RawString* ActivationFrame::SourceUrl() {
   const Script& script = Script::Handle(SourceScript());
   return script.url();
 }
 
@@ skipping 1007 matching lines @@
 
 
 void Debugger::SetExceptionPauseInfo(Dart_ExceptionPauseInfo pause_info) {
   ASSERT((pause_info == kNoPauseOnExceptions) ||
          (pause_info == kPauseOnUnhandledExceptions) ||
          (pause_info == kPauseOnAllExceptions));
   exc_pause_info_ = pause_info;
 }
 
 
-Dart_ExceptionPauseInfo Debugger::GetExceptionPauseInfo() {
+Dart_ExceptionPauseInfo Debugger::GetExceptionPauseInfo() const {
   return exc_pause_info_;
 }
 
 
 bool Debugger::ShouldPauseOnException(DebuggerStackTrace* stack_trace,
                                       const Instance& exc) {
   if (exc_pause_info_ == kNoPauseOnExceptions) {
     return false;
   }
   if (exc_pause_info_ == kPauseOnAllExceptions) {
@@ skipping 1431 matching lines @@
 }
 
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 }  // namespace dart