Enable lazy compilation for non-trivial outer contexts.

src/debug.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 221 matching lines @@
   void PreemptionWhileInDebugger();
   void Iterate(ObjectVisitor* v);
 
   NO_INLINE(void PutValuesOnStackAndDie(int start,
                                         Address c_entry_fp,
                                         Address last_fp,
                                         Address larger_fp,
                                         int count,
                                         int end));
   Object* Break(Arguments args);
-  void SetBreakPoint(Handle<SharedFunctionInfo> shared,
+  void SetBreakPoint(Handle<JSFunction> function,
                      Handle<Object> break_point_object,
                      int* source_position);
+  bool SetBreakPointForScript(Handle<Script> script,
+                              Handle<Object> break_point_object,
+                              int* source_position);
   void ClearBreakPoint(Handle<Object> break_point_object);
   void ClearAllBreakPoints();
-  void FloodWithOneShot(Handle<SharedFunctionInfo> shared);
+  void FloodWithOneShot(Handle<JSFunction> function);
   void FloodBoundFunctionWithOneShot(Handle<JSFunction> function);
   void FloodHandlerWithOneShot();
   void ChangeBreakOnException(ExceptionBreakType type, bool enable);
   bool IsBreakOnException(ExceptionBreakType type);
   void PrepareStep(StepAction step_action, int step_count);
   void ClearStepping();
   void ClearStepOut();
   bool IsStepping() { return thread_local_.step_count_ > 0; }
   bool StepNextContinue(BreakLocationIterator* break_location_iterator,
                         JavaScriptFrame* frame);
   static Handle<DebugInfo> GetDebugInfo(Handle<SharedFunctionInfo> shared);
   static bool HasDebugInfo(Handle<SharedFunctionInfo> shared);
 
   void PrepareForBreakPoints();
 
-  // Returns whether the operation succeeded.
-  bool EnsureDebugInfo(Handle<SharedFunctionInfo> shared);
+  // Returns whether the operation succeeded. Compilation can only be triggered
+  // if a valid closure is passed as the second argument, otherwise the shared
+  // function needs to be compiled already.
+  bool EnsureDebugInfo(Handle<SharedFunctionInfo> shared,
+                       Handle<JSFunction> function);
 
   // Returns true if the current stub call is patched to call the debugger.
   static bool IsDebugBreak(Address addr);
   // Returns true if the current return statement has been patched to be
   // a debugger breakpoint.
   static bool IsDebugBreakAtReturn(RelocInfo* rinfo);
 
   // Check whether a code stub with the specified major key is a possible break
   // point location.
   static bool IsSourceBreakStub(Code* code);
@@ skipping 760 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(MessageDispatchHelperThread);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 #endif  // V8_DEBUG_H_