Add debugger functions to inspect objects and classes

runtime/vm/debugger_api_impl.cc

 // Copyright (c) 2011, 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 203 matching lines @@
                             Dart_Breakpoint breakpoint_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
 
   CHECK_AND_CAST(Breakpoint, breakpoint, breakpoint_in);
   isolate->debugger()->RemoveBreakpoint(breakpoint);
   return Api::True();
 }
 
 
+DART_EXPORT Dart_Handle Dart_GetInstanceFields(Dart_Handle object_in) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  Instance& obj = Instance::Handle();
+  UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
+  Array& fields = Array::Handle();
+  fields = isolate->debugger()->GetInstanceFields(obj);
+  return Api::NewLocalHandle(fields);
+}
+
+
+DART_EXPORT Dart_Handle Dart_GetStaticFields(Dart_Handle cls_in) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  Class& cls = Class::Handle();
+  UNWRAP_AND_CHECK_PARAM(Class, cls, cls_in);
+  Array& fields = Array::Handle();
+  fields = isolate->debugger()->GetStaticFields(cls);
+  return Api::NewLocalHandle(fields);
+}
+
+
+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);
+  const Class& cls = Class::Handle(obj.clazz());
+  return Api::NewLocalHandle(cls);
+}
+
+
+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);
+  cls = cls.SuperClass();
+  return Api::NewLocalHandle(cls);
+}
+
+
 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 62 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::NewLocalHandle(library_list);
 }
 
 }  // namespace dart