- Improve the message for NoSuchMethodErrors that are

runtime/vm/dart_entry.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 "vm/dart_entry.h"
 
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/object_store.h"
 #include "vm/resolver.h"
@@ skipping 308 matching lines @@
 
 void ArgumentsDescriptor::InitOnce() {
   for (int i = 0; i < kCachedDescriptorCount; i++) {
     cached_args_descriptors_[i] = ArgumentsDescriptor::NewNonCached(i, false);
   }
 }
 
 
 RawObject* DartLibraryCalls::ExceptionCreate(const Library& lib,
                                              const String& class_name,
+                                             const String& constructor_name,
                                              const Array& arguments) {
   const Class& cls = Class::Handle(lib.LookupClassAllowPrivate(class_name));
   ASSERT(!cls.IsNull());
   // For now, we only support a non-parameterized or raw type.
   const int kNumExtraArgs = 2;  // implicit rcvr and construction phase args.
   const Instance& exception_object = Instance::Handle(Instance::New(cls));
   const Array& constructor_arguments =
     Array::Handle(Array::New(arguments.Length() + kNumExtraArgs));
   constructor_arguments.SetAt(0, exception_object);
   constructor_arguments.SetAt(
       1, Smi::Handle(Smi::New(Function::kCtorPhaseAll)));
   Object& obj = Object::Handle();
   for (intptr_t i = 0; i < arguments.Length(); i++) {
     obj = arguments.At(i);
     constructor_arguments.SetAt((i + kNumExtraArgs), obj);
   }
 
-  String& constructor_name = String::Handle(
-      String::Concat(class_name, Symbols::Dot()));
-  Function& constructor =
-      Function::Handle(cls.LookupConstructor(constructor_name));
+  const String& function_name = String::Handle(
+      String::Concat(class_name, constructor_name));
+  const Function& constructor =
+      Function::Handle(cls.LookupConstructorAllowPrivate(function_name));
   ASSERT(!constructor.IsNull());
   const Object& retval =
     Object::Handle(DartEntry::InvokeStatic(constructor, constructor_arguments));
   ASSERT(retval.IsNull() || retval.IsError());
   if (retval.IsError()) {
     return retval.raw();
   }
   return exception_object.raw();
 }
 
@@ skipping 149 matching lines @@
           String::Handle(Field::GetterName(Symbols::_id()))));
   const Function& func = Function::Handle(cls.LookupDynamicFunction(func_name));
   ASSERT(!func.IsNull());
   const Array& args = Array::Handle(Array::New(1));
   args.SetAt(0, port);
   return DartEntry::InvokeDynamic(func, args);
 }
 
 
 }  // namespace dart