Evaluate expression in context of an object

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/class_finalizer.h"
+#include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/debugger.h"
 #include "vm/isolate.h"
 #include "vm/object_store.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 #define UNWRAP_AND_CHECK_PARAM(type, var, param)                               \
@@ skipping 264 matching lines @@
   return Api::NewHandle(isolate, frame->GetLocalVariables());
 }
 
 
 DART_EXPORT Dart_Handle Dart_SetBreakpoint(
                             Dart_Handle script_url_in,
                             intptr_t line_number) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
+
+  Dart_Handle state = Api::CheckIsolateState(isolate);
+  if (::Dart_IsError(state)) {
+    return state;
+  }
+
   Debugger* debugger = isolate->debugger();
   ASSERT(debugger != NULL);
   SourceBreakpoint* bpt =
       debugger->SetBreakpointAtLine(script_url, line_number);
   if (bpt == NULL) {
     return Api::NewError("%s: could not set breakpoint at line %"Pd" in '%s'",
                          CURRENT_FUNC, line_number, script_url.ToCString());
   }
   return Dart_NewInteger(bpt->id());
 }
@@ skipping 182 matching lines @@
   DARTSCOPE(isolate);
   const Library& lib = Library::Handle(Library::GetLibrary(library_id));
   if (lib.IsNull()) {
     return Api::NewError("%s: %"Pd" is not a valid library id",
                          CURRENT_FUNC, library_id);
   }
   return Api::NewHandle(isolate, isolate->debugger()->GetGlobalFields(lib));
 }
 
 
+DART_EXPORT Dart_Handle Dart_EvaluateExpr(Dart_Handle target,
+                                          Dart_Handle expr_in) {
+  Isolate* isolate = Isolate::Current();
+  DARTSCOPE(isolate);
+  UNWRAP_AND_CHECK_PARAM(Instance, obj, target);
+  UNWRAP_AND_CHECK_PARAM(String, expr, expr_in);
+  return Api::NewHandle(isolate, obj.Evaluate(expr));
+}
+
+
 DART_EXPORT Dart_Handle Dart_GetObjClass(Dart_Handle object_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   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) {
@@ skipping 329 matching lines @@
 
 
 DART_EXPORT char* Dart_GetVmStatus(const char* request) {
   if (strncmp(request, "/isolate/", 9) == 0) {
     return Isolate::GetStatus(request);
   }
   return NULL;
 }
 
 }  // namespace dart