Eagerly format traces in captureStackTrace

src/accessors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/accessors.h"
 
 #include "src/api.h"
 #include "src/contexts.h"
 #include "src/deoptimizer.h"
 #include "src/execution.h"
@@ skipping 1114 matching lines @@
 MaybeHandle<JSReceiver> ClearInternalStackTrace(Isolate* isolate,
                                                 Handle<JSObject> error) {
   RETURN_ON_EXCEPTION(
       isolate,
       JSReceiver::SetProperty(error, isolate->factory()->stack_trace_symbol(),
                               isolate->factory()->undefined_value(), STRICT),
       JSReceiver);
   return error;
 }
 
-MaybeHandle<Object> FormatStackTrace(Isolate* isolate, Handle<JSObject> error,
-                                     Handle<Object> stack_trace) {
-  // TODO(jgruber): Port FormatStackTrace from JS.
-  Handle<JSFunction> fun = isolate->error_format_stack_trace();
-
-  int argc = 2;
-  ScopedVector<Handle<Object>> argv(argc);
-  argv[0] = error;
-  argv[1] = stack_trace;
-
-  Handle<Object> formatted_stack_trace;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate, formatted_stack_trace,
-      Execution::Call(isolate, fun, error, argc, argv.start()), Object);
-
-  return formatted_stack_trace;
-}
-
 bool IsAccessor(Handle<Object> receiver, Handle<Name> name,
                 Handle<JSObject> holder) {
   LookupIterator it(receiver, name, holder,
                     LookupIterator::OWN_SKIP_INTERCEPTOR);
   // Skip any access checks we might hit. This accessor should never hit in a
   // situation where the caller does not have access.
   if (it.state() == LookupIterator::ACCESS_CHECK) {
     CHECK(it.HasAccess());
     it.Next();
   }
@@ skipping 82 matching lines @@
 Handle<AccessorInfo> Accessors::ErrorStackInfo(Isolate* isolate,
                                                PropertyAttributes attributes) {
   Handle<AccessorInfo> info =
       MakeAccessor(isolate, isolate->factory()->stack_string(),
                    &ErrorStackGetter, &ErrorStackSetter, attributes);
   return info;
 }
 
 }  // namespace internal
 }  // namespace v8