Rollback stacktrace change.

runtime/vm/exceptions.cc

 // Copyright (c) 2011, 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/exceptions.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/flags.h"
@@ skipping 347 matching lines @@
     // dart invocation sequence above it, print diagnostics and terminate
     // the isolate etc.).
     const UnhandledException& unhandled_exception = UnhandledException::Handle(
         UnhandledException::New(exception, stacktrace));
     JumpToErrorHandler(handler_pc, handler_sp, handler_fp, unhandled_exception);
   }
   UNREACHABLE();
 }
 
 
-const char* Exceptions::CreateStackTrace() {
-  Isolate* isolate = Isolate::Current();
-  Stacktrace& stacktrace = Stacktrace::Handle(isolate);
-  stacktrace ^= isolate->object_store()->preallocated_stack_trace();
-  RegularStacktraceBuilder frame_builder;
-  uword handler_pc = 0;
-  uword handler_sp = 0;
-  uword handler_fp = 0;
-  FindExceptionHandler(&handler_pc,
-                       &handler_sp,
-                       &handler_fp,
-                       &frame_builder);
-  const Array& func_array =
-      Array::Handle(isolate, Array::MakeArray(frame_builder.func_list()));
-  const Array& code_array =
-      Array::Handle(isolate, Array::MakeArray(frame_builder.code_list()));
-  const Array& pc_offset_array =
-      Array::Handle(isolate,
-                    Array::MakeArray(frame_builder.pc_offset_list()));
-  stacktrace = Stacktrace::New(func_array, code_array, pc_offset_array);
-  return stacktrace.ToCString();
-}
-
-
 // Static helpers for allocating, initializing, and throwing an error instance.
 
 // Return the script of the Dart function that called the native entry or the
 // runtime entry. The frame iterator points to the callee.
 RawScript* Exceptions::GetCallerScript(DartFrameIterator* iterator) {
   StackFrame* caller_frame = iterator->NextFrame();
   ASSERT(caller_frame != NULL && caller_frame->IsDartFrame());
   const Function& caller = Function::Handle(caller_frame->LookupDartFunction());
   ASSERT(!caller.IsNull());
   return caller.script();
@@ skipping 219 matching lines @@
       break;
   }
 
   return DartLibraryCalls::ExceptionCreate(library,
                                            *class_name,
                                            *constructor_name,
                                            arguments);
 }
 
 }  // namespace dart