Check whether exceptions are caught

runtime/vm/debugger.h

 // 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.
 
 #ifndef VM_DEBUGGER_H_
 #define VM_DEBUGGER_H_
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/object.h"
@@ skipping 136 matching lines @@
                   String* name,
                   intptr_t* token_pos,
                   intptr_t* end_pos,
                   Instance* value);
 
   RawArray* GetLocalVariables();
   RawContext* CallerContext();
 
  private:
   intptr_t PcDescIndex();
+  intptr_t TryIndex();
   void GetPcDescriptors();
   void GetVarDescriptors();
   void GetDescIndices();
   RawInstance* GetLocalVarValue(intptr_t slot_index);
   RawInstance* GetInstanceCallReceiver(intptr_t num_actual_args);
 
   uword pc_;
   uword fp_;
   uword sp_;
 
   // The anchor of the context chain for this function.
   const Context& ctx_;
 
   Function& function_;
   Code& code_;
   intptr_t token_pos_;
   intptr_t pc_desc_index_;
   intptr_t line_number_;
   intptr_t context_level_;
 
   bool vars_initialized_;
   LocalVarDescriptors& var_descriptors_;
   ZoneGrowableArray<intptr_t> desc_indices_;
   PcDescriptors& pc_desc_;
 
   friend class Debugger;
+  friend class DebuggerStackTrace;
   DISALLOW_COPY_AND_ASSIGN(ActivationFrame);
 };
 
 
 // Array of function activations on the call stack.
 class DebuggerStackTrace : public ZoneAllocated {
  public:
   explicit DebuggerStackTrace(int capacity)
       : trace_(capacity) { }
 
   intptr_t Length() const { return trace_.length(); }
 
   ActivationFrame* ActivationFrameAt(int i) const {
     ASSERT(i < trace_.length());
     return trace_[i];
   }
+  ActivationFrame* GetHandlerFrame(const Instance& exc_obj) const;
  private:
   void AddActivation(ActivationFrame* frame);
   ZoneGrowableArray<ActivationFrame*> trace_;
 
   friend class Debugger;
   DISALLOW_COPY_AND_ASSIGN(DebuggerStackTrace);
 };
 
 
 typedef void BreakpointHandler(Dart_Port isolate_id,
@@ skipping 77 matching lines @@
   // Utility functions.
   static const char* QualifiedFunctionName(const Function& func);
 
   RawObject* GetInstanceField(const Class& cls,
                               const String& field_name,
                               const Instance& object);
   RawObject* GetStaticField(const Class& cls,
                             const String& field_name);
 
   void SignalBpReached();
-  void SignalExceptionThrown(const Object& exc);
+  void SignalExceptionThrown(const Instance& exc);
   static void SignalIsolateEvent(EventType type);
 
  private:
   enum ResumeAction {
     kContinue,
     kStepOver,
     kStepInto,
     kStepOut
   };
 
@@ skipping 18 matching lines @@
   void SyncBreakpoint(SourceBreakpoint* bpt);
 
   DebuggerStackTrace* CollectStackTrace();
   void SignalBpResolved(SourceBreakpoint *bpt);
 
   bool IsDebuggable(const Function& func);
 
   intptr_t nextId() { return next_id_++; }
 
   bool ShouldPauseOnException(DebuggerStackTrace* stack_trace,
-                              const Object& exc);
+                              const Instance& exc);
 
   void CollectLibraryFields(const GrowableObjectArray& field_list,
                             const Library& lib,
                             const String& prefix,
                             bool include_private_fields);
 
   Isolate* isolate_;
   Dart_Port isolate_id_;  // A unique ID for the isolate in the debugger.
   bool initialized_;
 
@@ skipping 26 matching lines @@
   static EventHandler* event_handler_;
 
   friend class SourceBreakpoint;
   DISALLOW_COPY_AND_ASSIGN(Debugger);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_DEBUGGER_H_