Move FormatStackTrace to C++

src/isolate.h

 // 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.
 
 #ifndef V8_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <memory>
 #include <queue>
 #include <set>
@@ skipping 108 matching lines @@
     Isolate* __isolate__ = (isolate);                       \
     if (__isolate__->has_scheduled_exception()) {           \
       __isolate__->PromoteScheduledException();             \
       return value;                                         \
     }                                                       \
   } while (false)
 
 #define RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, T) \
   RETURN_VALUE_IF_SCHEDULED_EXCEPTION(isolate, MaybeHandle<T>())
 
+#define RETURN_RESULT(isolate, call, T)           \
+  do {                                            \
+    Handle<T> __result__;                         \
+    if (!(call).ToHandle(&__result__)) {          \
+      DCHECK((isolate)->has_pending_exception()); \
+      return MaybeHandle<T>();                    \
+    }                                             \
+    return __result__;                            \
+  } while (false)
+
 #define RETURN_RESULT_OR_FAILURE(isolate, call)     \
   do {                                              \
     Handle<Object> __result__;                      \
     Isolate* __isolate__ = (isolate);               \
     if (!(call).ToHandle(&__result__)) {            \
       DCHECK(__isolate__->has_pending_exception()); \
       return __isolate__->heap()->exception();      \
     }                                               \
     return *__result__;                             \
   } while (false)
@@ skipping 278 matching lines @@
   V(HTracer*, htracer, nullptr)                                               \
   V(CodeTracer*, code_tracer, nullptr)                                        \
   V(bool, fp_stubs_generated, false)                                          \
   V(uint32_t, per_isolate_assert_data, 0xFFFFFFFFu)                           \
   V(PromiseRejectCallback, promise_reject_callback, nullptr)                  \
   V(const v8::StartupData*, snapshot_blob, nullptr)                           \
   V(int, code_and_metadata_size, 0)                                           \
   V(int, bytecode_and_metadata_size, 0)                                       \
   /* true if being profiled. Causes collection of extra compile info. */      \
   V(bool, is_profiling, false)                                                \
+  /* true if a trace is being formatted through Error.prepareStackTrace. */   \
+  V(bool, formatting_stack_trace, false)                                      \
   ISOLATE_INIT_SIMULATOR_LIST(V)
 
 #define THREAD_LOCAL_TOP_ACCESSOR(type, name)                        \
   inline void set_##name(type v) { thread_local_top_.name##_ = v; }  \
   inline type name() const { return thread_local_top_.name##_; }
 
 #define THREAD_LOCAL_TOP_ADDRESS(type, name) \
   type* name##_address() { return &thread_local_top_.name##_; }
 
 
@@ skipping 1206 matching lines @@
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ISOLATE_H_