Allows turning on checked mode on a per-isolate basis

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
@@ skipping 1366 matching lines @@
   profiler_data->Unblock();
 }
 
 
 DART_EXPORT void Dart_ExitIsolate() {
   CHECK_ISOLATE(Isolate::Current());
   Isolate::SetCurrent(NULL);
 }
 
 
+DART_EXPORT Dart_Handle Dart_IsolateSetStrictCompilation(bool value) {
+  CHECK_ISOLATE(Isolate::Current());
+  Isolate* isolate = Isolate::Current();
+  if (isolate->has_compiled()) {
+    return Api::NewError(
+        "%s expects that the isolate has not yet compiled code.", CURRENT_FUNC);
+  }
+  Isolate::Current()->set_strict_compilation(value);
+  return Api::Null();
+}
+
+
 static uint8_t* ApiReallocate(uint8_t* ptr,
                               intptr_t old_size,
                               intptr_t new_size) {
   return Api::TopScope(Isolate::Current())->zone()->Realloc<uint8_t>(
       ptr, old_size, new_size);
 }
 
 
 DART_EXPORT Dart_Handle Dart_CreateSnapshot(uint8_t** buffer,
                                             intptr_t* size) {
@@ skipping 2458 matching lines @@
                                     Dart_Handle name,
                                     int number_of_arguments,
                                     Dart_Handle* arguments) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   CHECK_CALLBACK_STATE(isolate);
   // TODO(turnidge): This is a bit simplistic.  It overcounts when
   // other operations (gc, compilation) are active.
   TIMERSCOPE(isolate, time_dart_execution);
 
+  isolate->set_has_compiled(true);
+
   const String& function_name = Api::UnwrapStringHandle(isolate, name);
   if (function_name.IsNull()) {
     RETURN_TYPE_ERROR(isolate, name, String);
   }
   if (number_of_arguments < 0) {
     return Api::NewError(
         "%s expects argument 'number_of_arguments' to be non-negative.",
         CURRENT_FUNC);
   }
   const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(target));
@@ skipping 1554 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart