Introduce remote objects in Debugger protocol

runtime/vm/debugger_api_impl.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/debugger.h"
 #include "vm/isolate.h"
@@ skipping 25 matching lines @@
   type* var = reinterpret_cast<type*>(param);
 
 
 #define CHECK_NOT_NULL(param)                                                 \
   if (param == NULL) {                                                        \
     return Api::NewError("%s expects argument '%s' to be non-null.",          \
                          CURRENT_FUNC, #param);                               \
   }
 
 
+DART_EXPORT intptr_t Dart_CacheObject(Dart_Handle object_in) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  const Object& obj = Object::Handle(Api::UnwrapHandle(object_in));
+  if (obj.IsApiError()) {
+    return -1;
+  }
+  return isolate->debugger()->CacheObject(obj);
+}
+
+
+DART_EXPORT Dart_Handle Dart_GetCachedObject(intptr_t obj_id) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  if (!isolate->debugger()->IsValidObjectId(obj_id)) {
+    return Api::NewError("%s: object id %d is invalid", CURRENT_FUNC, obj_id);
+  }
+  return Api::NewHandle(isolate, isolate->debugger()->GetCachedObject(obj_id));
+}
+
+
 DART_EXPORT Dart_Handle Dart_StackTraceLength(
                             Dart_StackTrace trace,
                             intptr_t* length) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   CHECK_NOT_NULL(length);
   CHECK_AND_CAST(DebuggerStackTrace, stack_trace, trace);
   *length = stack_trace->Length();
   return Api::True(isolate);
 }
@@ skipping 301 matching lines @@
 
 DART_EXPORT Dart_Handle Dart_GetObjClass(Dart_Handle object_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   Instance& obj = Instance::Handle();
   UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
   return Api::NewHandle(isolate, obj.clazz());
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetObjClassId(Dart_Handle object_in,
+                                           intptr_t* class_id) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  Instance& obj = Instance::Handle();
+  UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
+  CHECK_NOT_NULL(class_id);
+  *class_id = Class::Handle(obj.clazz()).index();
+  return Api::True(isolate);
+}
+
+
 DART_EXPORT Dart_Handle Dart_GetSuperclass(Dart_Handle cls_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   Class& cls = Class::Handle();
   UNWRAP_AND_CHECK_PARAM(Class, cls, cls_in);
   return Api::NewHandle(isolate, cls.SuperClass());
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetClassInfo(
+                            intptr_t cls_id,
+                            Dart_Handle* class_name,
+                            Dart_Handle* library,
+                            intptr_t* super_class_id,
+                            Dart_Handle* static_fields) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  if (!isolate->class_table()->IsValidIndex(cls_id)) {
+    return Api::NewError("%s: %d is not a valid class id",
+                         CURRENT_FUNC, cls_id);
+  }
+  Class& cls = Class::Handle(isolate->class_table()->At(cls_id));
+  if (class_name != NULL) {
+    *class_name = Api::NewHandle(isolate, cls.Name());
+  }
+  if (library != NULL) {
+    *library = Api::NewHandle(isolate, cls.library());
+  }
+  if (super_class_id != NULL) {
+    *super_class_id = 0;
+    cls = cls.SuperClass();
+    if (!cls.IsNull()) {
+      *super_class_id = cls.index();
+    }
+  }
+  if (static_fields != NULL) {
+    *static_fields =
+        Api::NewHandle(isolate, isolate->debugger()->GetStaticFields(cls));
+  }
+  return Api::True(isolate);
+}
+
+
 DART_EXPORT Dart_Handle Dart_GetScriptSource(
                             Dart_Handle library_url_in,
                             Dart_Handle script_url_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   String& library_url = String::Handle();
   UNWRAP_AND_CHECK_PARAM(String, library_url, library_url_in);
   String& script_url = String::Handle();
   UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
 
@@ skipping 61 matching lines @@
   for (int i = 0; i < num_libs; i++) {
     ASSERT(!lib.IsNull());
     lib_url = lib.url();
     library_list.SetAt(i, lib_url);
     lib = lib.next_registered();
   }
   return Api::NewHandle(isolate, library_list.raw());
 }
 
 }  // namespace dart