| // Copyright 2011 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/objects/contexts.h" |
| |
| #include "src/ast/modules.h" |
| #include "src/debug/debug.h" |
| #include "src/execution/isolate-inl.h" |
| #include "src/init/bootstrapper.h" |
| #include "src/objects/module-inl.h" |
| #include "src/objects/string-set-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| void ScriptContextTable::AddLocalNamesFromContext( |
| Isolate* isolate, Handle<ScriptContextTable> script_context_table, |
| Handle<Context> script_context, bool ignore_duplicates, |
| int script_context_index) { |
| ReadOnlyRoots roots(isolate); |
| PtrComprCageBase cage_base(isolate); |
| Handle<NameToIndexHashTable> names_table( |
| script_context_table->names_to_context_index(cage_base), isolate); |
| Handle<ScopeInfo> scope_info(script_context->scope_info(cage_base), isolate); |
| int local_count = scope_info->ContextLocalCount(); |
| names_table = names_table->EnsureCapacity(isolate, names_table, local_count); |
| for (auto it : ScopeInfo::IterateLocalNames(scope_info)) { |
| Handle<Name> name(it->name(cage_base), isolate); |
| if (ignore_duplicates) { |
| int32_t hash = NameToIndexShape::Hash(roots, name); |
| if (names_table->FindEntry(cage_base, roots, name, hash).is_found()) { |
| continue; |
| } |
| } |
| names_table = NameToIndexHashTable::Add(isolate, names_table, name, |
| script_context_index); |
| } |
| script_context_table->set_names_to_context_index(*names_table); |
| } |
| |
| Handle<ScriptContextTable> ScriptContextTable::Extend( |
| Isolate* isolate, Handle<ScriptContextTable> table, |
| Handle<Context> script_context, bool ignore_duplicates) { |
| Handle<ScriptContextTable> result; |
| int used = table->used(kAcquireLoad); |
| int length = table->length(); |
| CHECK(used >= 0 && length > 0 && used < length); |
| if (used + kFirstContextSlotIndex == length) { |
| CHECK(length < Smi::kMaxValue / 2); |
| Handle<FixedArray> copy = |
| isolate->factory()->CopyFixedArrayAndGrow(table, length); |
| copy->set_map(ReadOnlyRoots(isolate).script_context_table_map()); |
| result = Handle<ScriptContextTable>::cast(copy); |
| } else { |
| result = table; |
| } |
| DCHECK(script_context->IsScriptContext()); |
| ScriptContextTable::AddLocalNamesFromContext(isolate, result, script_context, |
| ignore_duplicates, used); |
| result->set(used + kFirstContextSlotIndex, *script_context, kReleaseStore); |
| result->set_used(used + 1, kReleaseStore); |
| return result; |
| } |
| |
| void Context::Initialize(Isolate* isolate) { |
| ScopeInfo scope_info = this->scope_info(); |
| int header = scope_info.ContextHeaderLength(); |
| for (int var = 0; var < scope_info.ContextLocalCount(); var++) { |
| if (scope_info.ContextLocalInitFlag(var) == kNeedsInitialization) { |
| set(header + var, ReadOnlyRoots(isolate).the_hole_value()); |
| } |
| } |
| } |
| |
| bool ScriptContextTable::Lookup(Handle<String> name, |
| VariableLookupResult* result) { |
| DisallowGarbageCollection no_gc; |
| int index = names_to_context_index().Lookup(name); |
| if (index == -1) return false; |
| DCHECK_LE(0, index); |
| DCHECK_LT(index, used(kAcquireLoad)); |
| Context context = get_context(index); |
| DCHECK(context.IsScriptContext()); |
| int slot_index = context.scope_info().ContextSlotIndex(name, result); |
| if (slot_index >= 0) { |
| result->context_index = index; |
| result->slot_index = slot_index; |
| return true; |
| } |
| return false; |
| } |
| |
| bool Context::is_declaration_context() const { |
| if (IsFunctionContext() || IsNativeContext() || IsScriptContext() || |
| IsModuleContext()) { |
| return true; |
| } |
| if (IsEvalContext()) { |
| return scope_info().language_mode() == LanguageMode::kStrict; |
| } |
| if (!IsBlockContext()) return false; |
| return scope_info().is_declaration_scope(); |
| } |
| |
| Context Context::declaration_context() const { |
| Context current = *this; |
| while (!current.is_declaration_context()) { |
| current = current.previous(); |
| } |
| return current; |
| } |
| |
| Context Context::closure_context() const { |
| Context current = *this; |
| while (!current.IsFunctionContext() && !current.IsScriptContext() && |
| !current.IsModuleContext() && !current.IsNativeContext() && |
| !current.IsEvalContext()) { |
| current = current.previous(); |
| } |
| return current; |
| } |
| |
| JSObject Context::extension_object() const { |
| DCHECK(IsNativeContext() || IsFunctionContext() || IsBlockContext() || |
| IsEvalContext() || IsCatchContext()); |
| HeapObject object = extension(); |
| if (object.IsUndefined()) return JSObject(); |
| DCHECK(object.IsJSContextExtensionObject() || |
| (IsNativeContext() && object.IsJSGlobalObject())); |
| return JSObject::cast(object); |
| } |
| |
| JSReceiver Context::extension_receiver() const { |
| DCHECK(IsNativeContext() || IsWithContext() || IsEvalContext() || |
| IsFunctionContext() || IsBlockContext()); |
| return IsWithContext() ? JSReceiver::cast(extension()) : extension_object(); |
| } |
| |
| SourceTextModule Context::module() const { |
| Context current = *this; |
| while (!current.IsModuleContext()) { |
| current = current.previous(); |
| } |
| return SourceTextModule::cast(current.extension()); |
| } |
| |
| JSGlobalObject Context::global_object() const { |
| return JSGlobalObject::cast(native_context().extension()); |
| } |
| |
| Context Context::script_context() const { |
| Context current = *this; |
| while (!current.IsScriptContext()) { |
| current = current.previous(); |
| } |
| return current; |
| } |
| |
| JSGlobalProxy Context::global_proxy() const { |
| return native_context().global_proxy_object(); |
| } |
| |
| /** |
| * Lookups a property in an object environment, taking the unscopables into |
| * account. This is used For HasBinding spec algorithms for ObjectEnvironment. |
| */ |
| static Maybe<bool> UnscopableLookup(LookupIterator* it, bool is_with_context) { |
| Isolate* isolate = it->isolate(); |
| |
| Maybe<bool> found = JSReceiver::HasProperty(it); |
| if (!is_with_context || found.IsNothing() || !found.FromJust()) return found; |
| |
| Handle<Object> unscopables; |
| ASSIGN_RETURN_ON_EXCEPTION_VALUE( |
| isolate, unscopables, |
| JSReceiver::GetProperty(isolate, |
| Handle<JSReceiver>::cast(it->GetReceiver()), |
| isolate->factory()->unscopables_symbol()), |
| Nothing<bool>()); |
| if (!unscopables->IsJSReceiver()) return Just(true); |
| Handle<Object> blocklist; |
| ASSIGN_RETURN_ON_EXCEPTION_VALUE( |
| isolate, blocklist, |
| JSReceiver::GetProperty(isolate, Handle<JSReceiver>::cast(unscopables), |
| it->name()), |
| Nothing<bool>()); |
| return Just(!blocklist->BooleanValue(isolate)); |
| } |
| |
| static PropertyAttributes GetAttributesForMode(VariableMode mode) { |
| DCHECK(IsSerializableVariableMode(mode)); |
| return IsConstVariableMode(mode) ? READ_ONLY : NONE; |
| } |
| |
| // static |
| Handle<Object> Context::Lookup(Handle<Context> context, Handle<String> name, |
| ContextLookupFlags flags, int* index, |
| PropertyAttributes* attributes, |
| InitializationFlag* init_flag, |
| VariableMode* variable_mode, |
| bool* is_sloppy_function_name) { |
| Isolate* isolate = context->GetIsolate(); |
| |
| bool follow_context_chain = (flags & FOLLOW_CONTEXT_CHAIN) != 0; |
| *index = kNotFound; |
| *attributes = ABSENT; |
| *init_flag = kCreatedInitialized; |
| *variable_mode = VariableMode::kVar; |
| if (is_sloppy_function_name != nullptr) { |
| *is_sloppy_function_name = false; |
| } |
| |
| if (FLAG_trace_contexts) { |
| PrintF("Context::Lookup("); |
| name->ShortPrint(); |
| PrintF(")\n"); |
| } |
| |
| do { |
| if (FLAG_trace_contexts) { |
| PrintF(" - looking in context %p", |
| reinterpret_cast<void*>(context->ptr())); |
| if (context->IsScriptContext()) PrintF(" (script context)"); |
| if (context->IsNativeContext()) PrintF(" (native context)"); |
| PrintF("\n"); |
| } |
| |
| // 1. Check global objects, subjects of with, and extension objects. |
| DCHECK_IMPLIES(context->IsEvalContext() && context->has_extension(), |
| context->extension().IsTheHole(isolate)); |
| if ((context->IsNativeContext() || context->IsWithContext() || |
| context->IsFunctionContext() || context->IsBlockContext()) && |
| context->has_extension() && !context->extension_receiver().is_null()) { |
| Handle<JSReceiver> object(context->extension_receiver(), isolate); |
| |
| if (context->IsNativeContext()) { |
| DisallowGarbageCollection no_gc; |
| if (FLAG_trace_contexts) { |
| PrintF(" - trying other script contexts\n"); |
| } |
| // Try other script contexts. |
| ScriptContextTable script_contexts = |
| context->global_object().native_context().script_context_table(); |
| VariableLookupResult r; |
| if (script_contexts.Lookup(name, &r)) { |
| Context script_context = script_contexts.get_context(r.context_index); |
| if (FLAG_trace_contexts) { |
| PrintF("=> found property in script context %d: %p\n", |
| r.context_index, |
| reinterpret_cast<void*>(script_context.ptr())); |
| } |
| *index = r.slot_index; |
| *variable_mode = r.mode; |
| *init_flag = r.init_flag; |
| *attributes = GetAttributesForMode(r.mode); |
| return handle(script_context, isolate); |
| } |
| } |
| |
| // Context extension objects needs to behave as if they have no |
| // prototype. So even if we want to follow prototype chains, we need |
| // to only do a local lookup for context extension objects. |
| Maybe<PropertyAttributes> maybe = Nothing<PropertyAttributes>(); |
| if ((flags & FOLLOW_PROTOTYPE_CHAIN) == 0 || |
| object->IsJSContextExtensionObject()) { |
| maybe = JSReceiver::GetOwnPropertyAttributes(object, name); |
| } else { |
| // A with context will never bind "this", but debug-eval may look into |
| // a with context when resolving "this". Other synthetic variables such |
| // as new.target may be resolved as VariableMode::kDynamicLocal due to |
| // bug v8:5405 , skipping them here serves as a workaround until a more |
| // thorough fix can be applied. |
| // TODO(v8:5405): Replace this check with a DCHECK when resolution of |
| // of synthetic variables does not go through this code path. |
| if (ScopeInfo::VariableIsSynthetic(*name)) { |
| DCHECK(context->IsWithContext()); |
| maybe = Just(ABSENT); |
| } else { |
| LookupIterator it(isolate, object, name, object); |
| Maybe<bool> found = UnscopableLookup(&it, context->IsWithContext()); |
| if (found.IsNothing()) { |
| maybe = Nothing<PropertyAttributes>(); |
| } else { |
| // Luckily, consumers of |maybe| only care whether the property |
| // was absent or not, so we can return a dummy |NONE| value |
| // for its attributes when it was present. |
| maybe = Just(found.FromJust() ? NONE : ABSENT); |
| } |
| } |
| } |
| |
| if (maybe.IsNothing()) return Handle<Object>(); |
| DCHECK(!isolate->has_pending_exception()); |
| *attributes = maybe.FromJust(); |
| |
| if (maybe.FromJust() != ABSENT) { |
| if (FLAG_trace_contexts) { |
| PrintF("=> found property in context object %p\n", |
| reinterpret_cast<void*>(object->ptr())); |
| } |
| return object; |
| } |
| } |
| |
| // 2. Check the context proper if it has slots. |
| if (context->IsFunctionContext() || context->IsBlockContext() || |
| context->IsScriptContext() || context->IsEvalContext() || |
| context->IsModuleContext() || context->IsCatchContext()) { |
| DisallowGarbageCollection no_gc; |
| // Use serialized scope information of functions and blocks to search |
| // for the context index. |
| ScopeInfo scope_info = context->scope_info(); |
| VariableLookupResult lookup_result; |
| int slot_index = scope_info.ContextSlotIndex(name, &lookup_result); |
| DCHECK(slot_index < 0 || slot_index >= MIN_CONTEXT_SLOTS); |
| if (slot_index >= 0) { |
| // Re-direct lookup to the ScriptContextTable in case we find a hole in |
| // a REPL script context. REPL scripts allow re-declaration of |
| // script-level let bindings. The value itself is stored in the script |
| // context of the first script that declared a variable, all other |
| // script contexts will contain 'the hole' for that particular name. |
| if (scope_info.IsReplModeScope() && |
| context->get(slot_index).IsTheHole(isolate)) { |
| context = Handle<Context>(context->previous(), isolate); |
| continue; |
| } |
| |
| if (FLAG_trace_contexts) { |
| PrintF("=> found local in context slot %d (mode = %hhu)\n", |
| slot_index, static_cast<uint8_t>(lookup_result.mode)); |
| } |
| *index = slot_index; |
| *variable_mode = lookup_result.mode; |
| *init_flag = lookup_result.init_flag; |
| *attributes = GetAttributesForMode(lookup_result.mode); |
| return context; |
| } |
| |
| // Check the slot corresponding to the intermediate context holding |
| // only the function name variable. It's conceptually (and spec-wise) |
| // in an outer scope of the function's declaration scope. |
| if (follow_context_chain && context->IsFunctionContext()) { |
| int function_index = scope_info.FunctionContextSlotIndex(*name); |
| if (function_index >= 0) { |
| if (FLAG_trace_contexts) { |
| PrintF("=> found intermediate function in context slot %d\n", |
| function_index); |
| } |
| *index = function_index; |
| *attributes = READ_ONLY; |
| *init_flag = kCreatedInitialized; |
| *variable_mode = VariableMode::kConst; |
| if (is_sloppy_function_name != nullptr && |
| is_sloppy(scope_info.language_mode())) { |
| *is_sloppy_function_name = true; |
| } |
| return context; |
| } |
| } |
| |
| // Lookup variable in module imports and exports. |
| if (context->IsModuleContext()) { |
| VariableMode mode; |
| InitializationFlag flag; |
| MaybeAssignedFlag maybe_assigned_flag; |
| int cell_index = |
| scope_info.ModuleIndex(*name, &mode, &flag, &maybe_assigned_flag); |
| if (cell_index != 0) { |
| if (FLAG_trace_contexts) { |
| PrintF("=> found in module imports or exports\n"); |
| } |
| *index = cell_index; |
| *variable_mode = mode; |
| *init_flag = flag; |
| *attributes = SourceTextModuleDescriptor::GetCellIndexKind( |
| cell_index) == SourceTextModuleDescriptor::kExport |
| ? GetAttributesForMode(mode) |
| : READ_ONLY; |
| return handle(context->module(), isolate); |
| } |
| } |
| } else if (context->IsDebugEvaluateContext()) { |
| // Check materialized locals. |
| Object ext = context->get(EXTENSION_INDEX); |
| if (ext.IsJSReceiver()) { |
| Handle<JSReceiver> extension(JSReceiver::cast(ext), isolate); |
| LookupIterator it(isolate, extension, name, extension); |
| Maybe<bool> found = JSReceiver::HasProperty(&it); |
| if (found.FromMaybe(false)) { |
| *attributes = NONE; |
| return extension; |
| } |
| } |
| |
| // Check blocklist. Names that are listed, cannot be resolved further. |
| ScopeInfo scope_info = context->scope_info(); |
| if (scope_info.HasLocalsBlockList() && |
| scope_info.LocalsBlockList().Has(isolate, name)) { |
| if (FLAG_trace_contexts) { |
| PrintF(" - name is blocklisted. Aborting.\n"); |
| } |
| break; |
| } |
| |
| // Check the original context, but do not follow its context chain. |
| Object obj = context->get(WRAPPED_CONTEXT_INDEX); |
| if (obj.IsContext()) { |
| Handle<Context> wrapped_context(Context::cast(obj), isolate); |
| Handle<Object> result = |
| Context::Lookup(wrapped_context, name, DONT_FOLLOW_CHAINS, index, |
| attributes, init_flag, variable_mode); |
| if (!result.is_null()) return result; |
| } |
| } |
| |
| // 3. Prepare to continue with the previous (next outermost) context. |
| if (context->IsNativeContext()) break; |
| |
| context = Handle<Context>(context->previous(), isolate); |
| } while (follow_context_chain); |
| |
| if (FLAG_trace_contexts) { |
| PrintF("=> no property/slot found\n"); |
| } |
| return Handle<Object>::null(); |
| } |
| |
| void NativeContext::AddOptimizedCode(CodeT code) { |
| DCHECK(CodeKindCanDeoptimize(code.kind())); |
| DCHECK(code.next_code_link().IsUndefined()); |
| code.set_next_code_link(OptimizedCodeListHead()); |
| set(OPTIMIZED_CODE_LIST, code, UPDATE_WRITE_BARRIER, kReleaseStore); |
| } |
| |
| Handle<Object> Context::ErrorMessageForCodeGenerationFromStrings() { |
| Isolate* isolate = GetIsolate(); |
| Handle<Object> result(error_message_for_code_gen_from_strings(), isolate); |
| if (!result->IsUndefined(isolate)) return result; |
| return isolate->factory()->NewStringFromStaticChars( |
| "Code generation from strings disallowed for this context"); |
| } |
| |
| #define COMPARE_NAME(index, type, name) \ |
| if (string->IsOneByteEqualTo(base::StaticCharVector(#name))) return index; |
| |
| int Context::IntrinsicIndexForName(Handle<String> string) { |
| NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(COMPARE_NAME); |
| return kNotFound; |
| } |
| |
| #undef COMPARE_NAME |
| |
| #define COMPARE_NAME(index, type, name) \ |
| { \ |
| const int name_length = static_cast<int>(arraysize(#name)) - 1; \ |
| if ((length == name_length) && strncmp(string, #name, name_length) == 0) \ |
| return index; \ |
| } |
| |
| int Context::IntrinsicIndexForName(const unsigned char* unsigned_string, |
| int length) { |
| const char* string = reinterpret_cast<const char*>(unsigned_string); |
| NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(COMPARE_NAME); |
| return kNotFound; |
| } |
| |
| #undef COMPARE_NAME |
| |
| #ifdef VERIFY_HEAP |
| namespace { |
| // TODO(v8:12298): Fix js-context-specialization cctests to set up full |
| // native contexts instead of using dummy internalized strings as |
| // extensions. |
| bool IsContexExtensionTestObject(HeapObject extension) { |
| return extension.IsInternalizedString() && |
| String::cast(extension).length() == 1; |
| } |
| } // namespace |
| |
| void Context::VerifyExtensionSlot(HeapObject extension) { |
| CHECK(scope_info().HasContextExtensionSlot()); |
| // Early exit for potentially uninitialized contexfts. |
| if (extension.IsUndefined()) return; |
| if (extension.IsJSContextExtensionObject()) { |
| CHECK((IsBlockContext() && scope_info().is_declaration_scope()) || |
| IsFunctionContext()); |
| } else if (IsModuleContext()) { |
| CHECK(extension.IsSourceTextModule()); |
| } else if (IsDebugEvaluateContext() || IsWithContext()) { |
| CHECK(extension.IsJSReceiver() || |
| (IsWithContext() && IsContexExtensionTestObject(extension))); |
| } else if (IsNativeContext()) { |
| CHECK(extension.IsJSGlobalObject() || |
| IsContexExtensionTestObject(extension)); |
| } else if (IsScriptContext()) { |
| // Host-defined options can be stored on the context for classic scripts. |
| CHECK(extension.IsFixedArray()); |
| } |
| } |
| #endif // VERIFY_HEAP |
| |
| void Context::set_extension(HeapObject object, WriteBarrierMode mode) { |
| DCHECK(scope_info().HasContextExtensionSlot()); |
| #ifdef VERIFY_HEAP |
| VerifyExtensionSlot(object); |
| #endif |
| set(EXTENSION_INDEX, object, mode); |
| } |
| |
| #ifdef DEBUG |
| |
| bool Context::IsBootstrappingOrValidParentContext(Object object, |
| Context child) { |
| // During bootstrapping we allow all objects to pass as |
| // contexts. This is necessary to fix circular dependencies. |
| if (child.GetIsolate()->bootstrapper()->IsActive()) return true; |
| if (!object.IsContext()) return false; |
| Context context = Context::cast(object); |
| return context.IsNativeContext() || context.IsScriptContext() || |
| context.IsModuleContext() || !child.IsModuleContext(); |
| } |
| |
| #endif |
| |
| void NativeContext::ResetErrorsThrown() { set_errors_thrown(Smi::FromInt(0)); } |
| |
| void NativeContext::IncrementErrorsThrown() { |
| int previous_value = errors_thrown().value(); |
| set_errors_thrown(Smi::FromInt(previous_value + 1)); |
| } |
| |
| int NativeContext::GetErrorsThrown() { return errors_thrown().value(); } |
| |
| static_assert(Context::MIN_CONTEXT_SLOTS == 2); |
| static_assert(Context::MIN_CONTEXT_EXTENDED_SLOTS == 3); |
| static_assert(NativeContext::kScopeInfoOffset == |
| Context::OffsetOfElementAt(NativeContext::SCOPE_INFO_INDEX)); |
| static_assert(NativeContext::kPreviousOffset == |
| Context::OffsetOfElementAt(NativeContext::PREVIOUS_INDEX)); |
| static_assert(NativeContext::kExtensionOffset == |
| Context::OffsetOfElementAt(NativeContext::EXTENSION_INDEX)); |
| |
| static_assert(NativeContext::kStartOfStrongFieldsOffset == |
| Context::OffsetOfElementAt(-1)); |
| static_assert(NativeContext::kStartOfWeakFieldsOffset == |
| Context::OffsetOfElementAt(NativeContext::FIRST_WEAK_SLOT)); |
| static_assert(NativeContext::kMicrotaskQueueOffset == |
| Context::SizeFor(NativeContext::NATIVE_CONTEXT_SLOTS)); |
| static_assert(NativeContext::kSize == |
| (Context::SizeFor(NativeContext::NATIVE_CONTEXT_SLOTS) + |
| kSystemPointerSize)); |
| |
| void NativeContext::RunPromiseHook(PromiseHookType type, |
| Handle<JSPromise> promise, |
| Handle<Object> parent) { |
| Isolate* isolate = promise->GetIsolate(); |
| DCHECK(isolate->HasContextPromiseHooks()); |
| int contextSlot; |
| |
| switch (type) { |
| case PromiseHookType::kInit: |
| contextSlot = PROMISE_HOOK_INIT_FUNCTION_INDEX; |
| break; |
| case PromiseHookType::kResolve: |
| contextSlot = PROMISE_HOOK_RESOLVE_FUNCTION_INDEX; |
| break; |
| case PromiseHookType::kBefore: |
| contextSlot = PROMISE_HOOK_BEFORE_FUNCTION_INDEX; |
| break; |
| case PromiseHookType::kAfter: |
| contextSlot = PROMISE_HOOK_AFTER_FUNCTION_INDEX; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| |
| Handle<Object> hook(isolate->native_context()->get(contextSlot), isolate); |
| if (hook->IsUndefined()) return; |
| |
| int argc = type == PromiseHookType::kInit ? 2 : 1; |
| Handle<Object> argv[2] = { |
| Handle<Object>::cast(promise), |
| parent |
| }; |
| |
| Handle<Object> receiver = isolate->global_proxy(); |
| |
| StackLimitCheck check(isolate); |
| bool failed = false; |
| if (check.HasOverflowed()) { |
| isolate->StackOverflow(); |
| failed = true; |
| } else { |
| failed = Execution::Call(isolate, hook, receiver, argc, argv).is_null(); |
| } |
| if (failed) { |
| DCHECK(isolate->has_pending_exception()); |
| Handle<Object> exception(isolate->pending_exception(), isolate); |
| |
| MessageLocation* no_location = nullptr; |
| Handle<JSMessageObject> message = |
| isolate->CreateMessageOrAbort(exception, no_location); |
| MessageHandler::ReportMessage(isolate, no_location, message); |
| |
| isolate->clear_pending_exception(); |
| } |
| } |
| |
| } // namespace internal |
| } // namespace v8 |