[wasm] Introduce WasmSharedModuleData and refactor other objects

src/messages.cc

 // 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/messages.h"
 
 #include <memory>
 
 #include "src/api.h"
 #include "src/execution.h"
@@ skipping 639 matching lines @@
 }
 
 Handle<Object> WasmStackFrame::GetFunction() const {
   Handle<Object> obj(Smi::FromInt(wasm_func_index_), isolate_);
   return obj;
 }
 
 Handle<Object> WasmStackFrame::GetFunctionName() {
   Handle<Object> name;
   Handle<WasmCompiledModule> compiled_module(
-      Handle<WasmInstanceObject>::cast(wasm_instance_)->get_compiled_module(),
+      Handle<WasmInstanceObject>::cast(wasm_instance_)->compiled_module(),
       isolate_);
   if (!WasmCompiledModule::GetFunctionNameOrNull(isolate_, compiled_module,
                                                  wasm_func_index_)
            .ToHandle(&name)) {
     name = isolate_->factory()->null_value();
   }
   return name;
 }
 
 MaybeHandle<String> WasmStackFrame::ToString() {
@@ skipping 26 matching lines @@
   return (offset_ < 0) ? (-1 - offset_) : code_->SourcePosition(offset_);
 }
 
 Handle<Object> WasmStackFrame::Null() const {
   return isolate_->factory()->null_value();
 }
 
 bool WasmStackFrame::HasScript() const { return true; }
 
 Handle<Script> WasmStackFrame::GetScript() const {
-  return WasmInstanceObject::cast(*wasm_instance_)
-      ->get_compiled_module()
-      ->script();
+  return handle(
+      WasmInstanceObject::cast(*wasm_instance_)->compiled_module()->script(),
+      isolate_);
 }
 
 AsmJsWasmStackFrame::AsmJsWasmStackFrame() {}
 
 void AsmJsWasmStackFrame::FromFrameArray(Isolate* isolate,
                                          Handle<FrameArray> array,
                                          int frame_ix) {
   DCHECK(array->IsAsmJsWasmFrame(frame_ix));
   WasmStackFrame::FromFrameArray(isolate, array, frame_ix);
   is_at_number_conversion_ =
@@ skipping 20 matching lines @@
   Handle<Script> script =
       wasm::GetScript(Handle<JSObject>::cast(wasm_instance_));
   DCHECK_EQ(Script::TYPE_NORMAL, script->type());
   return ScriptNameOrSourceUrl(script, isolate_);
 }
 
 int AsmJsWasmStackFrame::GetPosition() const {
   DCHECK_LE(0, offset_);
   int byte_offset = code_->SourcePosition(offset_);
   Handle<WasmCompiledModule> compiled_module(
-      WasmInstanceObject::cast(*wasm_instance_)->get_compiled_module(),
-      isolate_);
+      WasmInstanceObject::cast(*wasm_instance_)->compiled_module(), isolate_);
   DCHECK_LE(0, byte_offset);
   return WasmCompiledModule::GetAsmJsSourcePosition(
       compiled_module, wasm_func_index_, static_cast<uint32_t>(byte_offset),
       is_at_number_conversion_);
 }
 
 int AsmJsWasmStackFrame::GetLineNumber() {
   DCHECK_LE(0, GetPosition());
   Handle<Script> script =
       wasm::GetScript(Handle<JSObject>::cast(wasm_instance_));
@@ skipping 470 matching lines @@
   DCHECK(mode != SKIP_UNTIL_SEEN);
 
   Handle<Object> no_caller;
   Handle<String> msg = FormatMessage(isolate, template_index, arg0, arg1, arg2);
   return ErrorUtils::Construct(isolate, constructor, constructor, msg, mode,
                                no_caller, false);
 }
 
 }  // namespace internal
 }  // namespace v8