Per-closure breakpoints; restructure breakpoint implementation to keep a list of conditions.

runtime/vm/service_event.h

 // Copyright (c) 2015, 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.
 
 #ifndef VM_SERVICE_EVENT_H_
 #define VM_SERVICE_EVENT_H_
 
 #include "vm/debugger.h"
 
 class DebuggerEvent;
@@ skipping 32 matching lines @@
         exception_(NULL),
         inspectee_(NULL),
         gc_stats_(NULL) {}
 
   explicit ServiceEvent(const DebuggerEvent* debugger_event);
 
   Isolate* isolate() const { return isolate_; }
 
   EventType type() const { return type_; }
 
-  SourceBreakpoint* breakpoint() const {
+  Breakpoint* breakpoint() const {
     return breakpoint_;
   }
-  void set_breakpoint(SourceBreakpoint* bpt) {
+  void set_breakpoint(Breakpoint* bpt) {
     ASSERT(type() == kPauseBreakpoint ||
            type() == kBreakpointAdded ||
            type() == kBreakpointResolved ||
            type() == kBreakpointRemoved);
     breakpoint_ = bpt;
   }
 
   ActivationFrame* top_frame() const {
     return top_frame_;
   }
@@ skipping 29 matching lines @@
     gc_stats_ = gc_stats;
   }
 
   void PrintJSON(JSONStream* js) const;
 
   static const char* EventTypeToCString(EventType type);
 
  private:
   Isolate* isolate_;
   EventType type_;
-  SourceBreakpoint* breakpoint_;
+  Breakpoint* breakpoint_;
   ActivationFrame* top_frame_;
   const Object* exception_;
   const Object* inspectee_;
   const Heap::GCStats* gc_stats_;
 };
 
 }  // namespace dart
 
 #endif  // VM_SERVICE_EVENT_H_