[wasm] Introduce instance types for WebAssembly.* objects.

src/runtime/runtime-test.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/arguments.h"
 #include "src/assembler-inl.h"
@@ skipping 846 matching lines @@
 
 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION
 
 
 RUNTIME_FUNCTION(Runtime_SpeciesProtector) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(0, args.length());
   return isolate->heap()->ToBoolean(isolate->IsArraySpeciesLookupChainIntact());
 }
 
-#define CONVERT_ARG_HANDLE_CHECKED_2(Type, name, index) \
-  CHECK(Type::Is##Type(args[index]));                   \
-  Handle<Type> name = args.at<Type>(index);
-
 // Take a compiled wasm module, serialize it and copy the buffer into an array
 // buffer, which is then returned.
 RUNTIME_FUNCTION(Runtime_SerializeWasmModule) {
   HandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
-  CONVERT_ARG_HANDLE_CHECKED_2(WasmModuleObject, module_obj, 0);
+  CONVERT_ARG_HANDLE_CHECKED(WasmModuleObject, module_obj, 0);
 
   Handle<WasmCompiledModule> orig(module_obj->compiled_module());
   std::unique_ptr<ScriptData> data =
       WasmCompiledModuleSerializer::SerializeWasmModule(isolate, orig);
   void* buff = isolate->array_buffer_allocator()->Allocate(data->length());
   Handle<JSArrayBuffer> ret = isolate->factory()->NewJSArrayBuffer();
   JSArrayBuffer::Setup(ret, isolate, false, buff, data->length());
   memcpy(buff, data->data(), data->length());
   return *ret;
 }
@@ skipping 31 matching lines @@
   if (!maybe_compiled_module.ToHandle(&compiled_module)) {
     return isolate->heap()->undefined_value();
   }
   return *WasmModuleObject::New(
       isolate, Handle<WasmCompiledModule>::cast(compiled_module));
 }
 
 RUNTIME_FUNCTION(Runtime_ValidateWasmInstancesChain) {
   HandleScope shs(isolate);
   DCHECK_EQ(2, args.length());
-  CONVERT_ARG_HANDLE_CHECKED_2(WasmModuleObject, module_obj, 0);
+  CONVERT_ARG_HANDLE_CHECKED(WasmModuleObject, module_obj, 0);
   CONVERT_ARG_HANDLE_CHECKED(Smi, instance_count, 1);
   wasm::testing::ValidateInstancesChain(isolate, module_obj,
                                         instance_count->value());
   return isolate->heap()->ToBoolean(true);
 }
 
 RUNTIME_FUNCTION(Runtime_ValidateWasmModuleState) {
   HandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
-  CONVERT_ARG_HANDLE_CHECKED_2(WasmModuleObject, module_obj, 0);
+  CONVERT_ARG_HANDLE_CHECKED(WasmModuleObject, module_obj, 0);
   wasm::testing::ValidateModuleState(isolate, module_obj);
   return isolate->heap()->ToBoolean(true);
 }
 
 RUNTIME_FUNCTION(Runtime_ValidateWasmOrphanedInstance) {
   HandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
-  CONVERT_ARG_HANDLE_CHECKED_2(WasmInstanceObject, instance, 0);
+  CONVERT_ARG_HANDLE_CHECKED(WasmInstanceObject, instance, 0);
   wasm::testing::ValidateOrphanedInstance(isolate, instance);
   return isolate->heap()->ToBoolean(true);
 }
 
 RUNTIME_FUNCTION(Runtime_HeapObjectVerify) {
   HandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
 #ifdef VERIFY_HEAP
   object->ObjectVerify();
 #else
   CHECK(object->IsObject());
   if (object->IsHeapObject()) {
     CHECK(HeapObject::cast(*object)->map()->IsMap());
   } else {
     CHECK(object->IsSmi());
   }
 #endif
   return isolate->heap()->ToBoolean(true);
 }
 
 RUNTIME_FUNCTION(Runtime_WasmNumInterpretedCalls) {
   DCHECK_EQ(1, args.length());
   HandleScope scope(isolate);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, instance_obj, 0);
-  CHECK(WasmInstanceObject::IsWasmInstanceObject(*instance_obj));
-  Handle<WasmInstanceObject> instance =
-      Handle<WasmInstanceObject>::cast(instance_obj);
+  CONVERT_ARG_HANDLE_CHECKED(WasmInstanceObject, instance, 0);
   if (!instance->has_debug_info()) return 0;
   uint64_t num = instance->debug_info()->NumInterpretedCalls();
   return *isolate->factory()->NewNumberFromSize(static_cast<size_t>(num));
 }
 
 RUNTIME_FUNCTION(Runtime_RedirectToWasmInterpreter) {
   DCHECK_EQ(2, args.length());
   HandleScope scope(isolate);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, instance_obj, 0);
+  CONVERT_ARG_HANDLE_CHECKED(WasmInstanceObject, instance, 0);
   CONVERT_SMI_ARG_CHECKED(function_index, 1);
-  CHECK(WasmInstanceObject::IsWasmInstanceObject(*instance_obj));
-  Handle<WasmInstanceObject> instance =
-      Handle<WasmInstanceObject>::cast(instance_obj);
   Handle<WasmDebugInfo> debug_info =
       WasmInstanceObject::GetOrCreateDebugInfo(instance);
   WasmDebugInfo::RedirectToInterpreter(debug_info,
                                        Vector<int>(&function_index, 1));
   return isolate->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8