Add "checked" parameter to Isolate.spawnUri.

runtime/lib/isolate.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 "platform/assert.h"
 #include "vm/bootstrap_natives.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
@@ skipping 163 matching lines @@
   void* init_data = parent_isolate->init_callback_data();
   Isolate* child_isolate = reinterpret_cast<Isolate*>(
       (callback)(state->script_url(),
                  state->function_name(),
                  state->package_root(),
                  init_data,
                  error));
   if (child_isolate == NULL) {
     return false;
   }
+  // TODO(iposva): Evaluate whether it's ok to override the embedder's setup.
+  // Currently the strict_compilation flag is ignored if it's false and
+  // checked-mode was enabled using a command-line flag. The command-line flag
+  // overrides the user code's request.
+  child_isolate->set_strict_compilation(state->checked_mode());
   if (!state->is_spawn_uri()) {
-    // For isolates spawned using the spawnFunction semantics we set
+    // For isolates spawned using the spawn semantics we set
     // the origin_id to the origin_id of the parent isolate.
     child_isolate->set_origin_id(parent_isolate->origin_id());
   }
   state->set_isolate(reinterpret_cast<Isolate*>(child_isolate));
   return true;
 }
 
 
 static void Spawn(Isolate* parent_isolate, IsolateSpawnState* state) {
   Thread::ExitIsolate();
@@ skipping 26 matching lines @@
     Function& func = Function::Handle();
     func = Closure::function(closure);
     if (func.IsImplicitClosureFunction() && func.is_static()) {
 #if defined(DEBUG)
       Context& ctx = Context::Handle();
       ctx = Closure::context(closure);
       ASSERT(ctx.num_variables() == 0);
 #endif
       // Get the parent function so that we get the right function name.
       func = func.parent_function();
+      bool checkedFlag = isolate->strict_compilation();
       Spawn(isolate, new IsolateSpawnState(port.Id(),
                                            func,
                                            message,
-                                           paused.value()));
+                                           paused.value(),
+                                           checkedFlag));
       return Object::null();
     }
   }
   const String& msg = String::Handle(String::New(
       "Isolate.spawn expects to be passed a static or top-level function"));
   Exceptions::ThrowArgumentError(msg);
   return Object::null();
 }
 
 
-DEFINE_NATIVE_ENTRY(Isolate_spawnUri, 6) {
+DEFINE_NATIVE_ENTRY(Isolate_spawnUri, 7) {
   GET_NON_NULL_NATIVE_ARGUMENT(SendPort, port, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(String, uri, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Instance, args, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(Instance, message, arguments->NativeArgAt(3));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, paused, arguments->NativeArgAt(4));
-  GET_NATIVE_ARGUMENT(String, package_root, arguments->NativeArgAt(5));
+  GET_NATIVE_ARGUMENT(Bool, checked, arguments->NativeArgAt(5));
+  GET_NATIVE_ARGUMENT(String, package_root, arguments->NativeArgAt(6));
 
   // Canonicalize the uri with respect to the current isolate.
   char* error = NULL;
   char* canonical_uri = NULL;
   const Library& root_lib =
       Library::Handle(isolate->object_store()->root_library());
   if (!CanonicalizeUri(isolate, root_lib, uri,
                        &canonical_uri, &error)) {
     const String& msg = String::Handle(String::New(error));
     ThrowIsolateSpawnException(msg);
   }
 
   char* utf8_package_root = NULL;
   if (!package_root.IsNull()) {
     const intptr_t len = Utf8::Length(package_root);
     utf8_package_root = zone->Alloc<char>(len + 1);
     package_root.ToUTF8(reinterpret_cast<uint8_t*>(utf8_package_root), len);
     utf8_package_root[len] = '\0';
   }
 
+  bool checkedFlag;
+  if (checked.IsNull()) {
+    checkedFlag = isolate->strict_compilation();
+  } else {
+    checkedFlag = checked.value();
+  }
+
   Spawn(isolate, new IsolateSpawnState(port.Id(),
                                        canonical_uri,
                                        utf8_package_root,
                                        args,
                                        message,
-                                       paused.value()));
+                                       paused.value(),
+                                       checkedFlag));
   return Object::null();
 }
 
 
 DEFINE_NATIVE_ENTRY(Isolate_getPortAndCapabilitiesOfCurrentIsolate, 0) {
   const Array& result = Array::Handle(Array::New(3));
   result.SetAt(0, SendPort::Handle(SendPort::New(isolate->main_port())));
   result.SetAt(1, Capability::Handle(
                       Capability::New(isolate->pause_capability())));
   result.SetAt(2, Capability::Handle(
@@ skipping 13 matching lines @@
   MessageWriter writer(&data, &allocator, false);
   writer.WriteMessage(msg);
 
   PortMap::PostMessage(new Message(port.Id(),
                                    data, writer.BytesWritten(),
                                    Message::kOOBPriority));
   return Object::null();
 }
 
 }  // namespace dart