diff options
Diffstat (limited to 'chromium/v8/src/debug/debug-scope-iterator.cc')
| -rw-r--r-- | chromium/v8/src/debug/debug-scope-iterator.cc | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/chromium/v8/src/debug/debug-scope-iterator.cc b/chromium/v8/src/debug/debug-scope-iterator.cc index 5dc377375ee..2e06dccab68 100644 --- a/chromium/v8/src/debug/debug-scope-iterator.cc +++ b/chromium/v8/src/debug/debug-scope-iterator.cc @@ -15,13 +15,22 @@ namespace v8 { std::unique_ptr<debug::ScopeIterator> debug::ScopeIterator::CreateForFunction( v8::Isolate* v8_isolate, v8::Local<v8::Function> v8_func) { - internal::Handle<internal::JSFunction> func = - internal::Handle<internal::JSFunction>::cast(Utils::OpenHandle(*v8_func)); + internal::Handle<internal::JSReceiver> receiver = + internal::Handle<internal::JSReceiver>::cast(Utils::OpenHandle(*v8_func)); + + // Besides JSFunction and JSBoundFunction, {v8_func} could be an + // ObjectTemplate with a CallAsFunctionHandler. We only handle plain + // JSFunctions. + if (!receiver->IsJSFunction()) return nullptr; + + internal::Handle<internal::JSFunction> function = + internal::Handle<internal::JSFunction>::cast(receiver); + // Blink has function objects with callable map, JS_SPECIAL_API_OBJECT_TYPE // but without context on heap. - if (!func->has_context()) return nullptr; + if (!function->has_context()) return nullptr; return std::unique_ptr<debug::ScopeIterator>(new internal::DebugScopeIterator( - reinterpret_cast<internal::Isolate*>(v8_isolate), func)); + reinterpret_cast<internal::Isolate*>(v8_isolate), function)); } std::unique_ptr<debug::ScopeIterator> |