[V8] QtScript/V8: Add new v8 api to check if a value is an error.

New function v8::Value::IsError was created.

This API is experimental and added only for the purposes of our
research.

Change-Id: I21c8a3484c2b5a0341b932bd81492b8ebc1f0e05
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/3rdparty/v8/src/api.cc b/src/3rdparty/v8/src/api.cc
index 4c39e7a..78fc0b1 100644
--- a/src/3rdparty/v8/src/api.cc
+++ b/src/3rdparty/v8/src/api.cc
@@ -2362,6 +2362,12 @@ bool Value::IsRegExp() const {
   return obj->IsJSRegExp();
 }
 
+bool Value::IsError() const {
+  if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsError()")) return false;
+  i::Handle<i::Object> obj = Utils::OpenHandle(this);
+  return obj->HasSpecificClassOf(HEAP->Error_symbol());
+}
+
 
 Local<String> Value::ToString() const {
   i::Handle<i::Object> obj = Utils::OpenHandle(this);