[inspector] Introduce debug::WasmScript

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 688e96136e91517a1fe9844af3980ff38313ca20..3ad31c95034f5fae843bac552aed83fe5544887d 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -9101,6 +9101,42 @@ MaybeLocal<DebugInterface::Script> DebugInterface::Script::Wrap(
       handle_scope.CloseAndEscape(script_obj));
 }
 
+DebugInterface::WasmScript* DebugInterface::WasmScript::Cast(
+    DebugInterface::Script* script) {
+  CHECK(script->IsWasm());
+  return static_cast<WasmScript*>(script);
+}
+
+int DebugInterface::WasmScript::NumFunctions() const {
+  i::DisallowHeapAllocation no_gc;
+  i::Handle<i::Script> script = Utils::OpenHandle(this);
+  DCHECK_EQ(i::Script::TYPE_WASM, script->type());
+  i::WasmCompiledModule* compiled_module =
+      i::WasmCompiledModule::cast(script->wasm_compiled_module());
+  DCHECK_GE(i::kMaxInt, compiled_module->module()->functions.size());
+  return static_cast<int>(compiled_module->module()->functions.size());
+}
+
+int DebugInterface::WasmScript::NumImportedFunctions() const {
+  i::DisallowHeapAllocation no_gc;
+  i::Handle<i::Script> script = Utils::OpenHandle(this);
+  DCHECK_EQ(i::Script::TYPE_WASM, script->type());
+  i::WasmCompiledModule* compiled_module =
+      i::WasmCompiledModule::cast(script->wasm_compiled_module());
+  DCHECK_GE(i::kMaxInt, compiled_module->module()->num_imported_functions);
+  return static_cast<int>(compiled_module->module()->num_imported_functions);
+}
+
+std::pair<std::string, std::vector<std::tuple<uint32_t, int, int>>>
+DebugInterface::WasmScript::DisassembleFunction(int function_index) {
+  i::DisallowHeapAllocation no_gc;
+  i::Handle<i::Script> script = Utils::OpenHandle(this);
+  DCHECK_EQ(i::Script::TYPE_WASM, script->type());
+  i::WasmCompiledModule* compiled_module =
+      i::WasmCompiledModule::cast(script->wasm_compiled_module());
+  return compiled_module->DisassembleFunction(function_index);
+}
+
 DebugInterface::Location::Location(int lineNumber, int columnNumber)
     : lineNumber_(lineNumber), columnNumber_(columnNumber) {
   CHECK(lineNumber >= 0);
@@ -9146,24 +9182,6 @@ void DebugInterface::GetLoadedScripts(
   }
 }
 
-std::pair<std::string, std::vector<std::tuple<uint32_t, int, int>>>
-DebugInterface::DisassembleWasmFunction(Isolate* v8_isolate,
-                                        Local<Object> v8_script,
-                                        int function_index) {
-  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
-  if (v8_script.IsEmpty()) return {};
-  i::Handle<i::Object> script_wrapper = Utils::OpenHandle(*v8_script);
-  if (!script_wrapper->IsJSValue()) return {};
-  i::Handle<i::Object> script_obj(
-      i::Handle<i::JSValue>::cast(script_wrapper)->value(), isolate);
-  if (!script_obj->IsScript()) return {};
-  i::Handle<i::Script> script = i::Handle<i::Script>::cast(script_obj);
-  if (script->type() != i::Script::TYPE_WASM) return {};
-  i::Handle<i::WasmCompiledModule> compiled_module(
-      i::WasmCompiledModule::cast(script->wasm_compiled_module()), isolate);
-  return compiled_module->DisassembleFunction(function_index);
-}
-
 MaybeLocal<UnboundScript> DebugInterface::CompileInspectorScript(
     Isolate* v8_isolate, Local<String> source) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);