diff options
Diffstat (limited to 'fxjs/cfxjse_context.cpp')
| -rw-r--r-- | fxjs/cfxjse_context.cpp | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fxjs/cfxjse_context.cpp b/fxjs/cfxjse_context.cpp index 183d6363eb..8696cee42f 100644 --- a/fxjs/cfxjse_context.cpp +++ b/fxjs/cfxjse_context.cpp @@ -41,6 +41,8 @@ const char szCompatibleModeScript[] = " }\n" "}(this, {String: ['substr', 'toUpperCase']}));"; +wchar_t g_FXJSETagString[] = L"FXJSE_HostObject"; + } // namespace // Note, not in the anonymous namespace due to the friend call @@ -79,9 +81,9 @@ v8::Local<v8::Object> FXJSE_GetGlobalObjectFromContext( void FXJSE_UpdateObjectBinding(v8::Local<v8::Object>& hObject, CFXJSE_HostObject* lpNewBinding) { ASSERT(!hObject.IsEmpty()); - ASSERT(hObject->InternalFieldCount() > 0); - hObject->SetAlignedPointerInInternalField(0, - static_cast<void*>(lpNewBinding)); + ASSERT(hObject->InternalFieldCount() == 2); + hObject->SetAlignedPointerInInternalField(0, g_FXJSETagString); + hObject->SetAlignedPointerInInternalField(1, lpNewBinding); } CFXJSE_HostObject* FXJSE_RetrieveObjectBinding( @@ -92,15 +94,17 @@ CFXJSE_HostObject* FXJSE_RetrieveObjectBinding( return nullptr; v8::Local<v8::Object> hObject = hJSObject; - if (hObject->InternalFieldCount() == 0) { + if (hObject->InternalFieldCount() != 2) { v8::Local<v8::Value> hProtoObject = hObject->GetPrototype(); if (hProtoObject.IsEmpty() || !hProtoObject->IsObject()) return nullptr; hObject = hProtoObject.As<v8::Object>(); - if (hObject->InternalFieldCount() == 0) + if (hObject->InternalFieldCount() != 2) return nullptr; } + if (hObject->GetAlignedPointerFromInternalField(0) != g_FXJSETagString) + return nullptr; if (lpClass) { v8::Local<v8::FunctionTemplate> hClass = v8::Local<v8::FunctionTemplate>::New( @@ -109,7 +113,7 @@ CFXJSE_HostObject* FXJSE_RetrieveObjectBinding( return nullptr; } return static_cast<CFXJSE_HostObject*>( - hObject->GetAlignedPointerFromInternalField(0)); + hObject->GetAlignedPointerFromInternalField(1)); } v8::Local<v8::Object> FXJSE_CreateReturnValue(v8::Isolate* pIsolate, @@ -167,7 +171,7 @@ std::unique_ptr<CFXJSE_Context> CFXJSE_Context::Create( hObjectTemplate = hFunctionTemplate->InstanceTemplate(); } else { hObjectTemplate = v8::ObjectTemplate::New(pIsolate); - hObjectTemplate->SetInternalFieldCount(1); + hObjectTemplate->SetInternalFieldCount(2); } hObjectTemplate->Set( v8::Symbol::GetToStringTag(pIsolate), |