Fraction class prototype and test (not to be committed).

runtime/vm/snapshot.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 "vm/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
@@ skipping 336 matching lines @@
 
 void SnapshotReader::SetReadException(const char* msg) {
   const String& error_str = String::Handle(zone(), String::New(msg));
   const Array& args = Array::Handle(zone(), Array::New(1));
   args.SetAt(0, error_str);
   Object& result = Object::Handle(zone());
   const Library& library = Library::Handle(zone(), Library::CoreLibrary());
   result = DartLibraryCalls::InstanceCreate(library,
                                             Symbols::ArgumentError(),
                                             Symbols::Dot(),
+                                            false,  // Not a factory.
                                             args);
   const Stacktrace& stacktrace = Stacktrace::Handle(zone());
   const UnhandledException& error = UnhandledException::Handle(
       zone(), UnhandledException::New(Instance::Cast(result), stacktrace));
   thread()->long_jump_base()->Jump(1, error);
 }
 
 
 RawObject* SnapshotReader::VmIsolateSnapshotObject(intptr_t index) const {
   return Object::vm_isolate_snapshot_object_table().At(index);
@@ skipping 516 matching lines @@
   ASSERT_NO_SAFEPOINT_SCOPE();
   const intptr_t lengthInBytes = len * TypedData::ElementSizeInBytes(class_id);
   RawTypedData* obj = reinterpret_cast<RawTypedData*>(
       AllocateUninitialized(class_id, TypedData::InstanceSize(lengthInBytes)));
   obj->StoreSmi(&(obj->ptr()->length_), Smi::New(len));
   return obj;
 }
 
 
 #define ALLOC_NEW_OBJECT(type)                                                 \
-  ASSERT(Snapshot::IsFull(kind_));                                            \
+  ASSERT(Snapshot::IsFull(kind_));                                             \
   ASSERT_NO_SAFEPOINT_SCOPE();                                                 \
   return reinterpret_cast<Raw##type*>(                                         \
       AllocateUninitialized(k##type##Cid, type::InstanceSize()));              \
 
 
 RawBigint* SnapshotReader::NewBigint() {
   ALLOC_NEW_OBJECT(Bigint);
 }
 
 
+RawFraction* SnapshotReader::NewFraction() {
+  ALLOC_NEW_OBJECT(Fraction);
+}
+
+
 RawUnresolvedClass* SnapshotReader::NewUnresolvedClass() {
   ALLOC_NEW_OBJECT(UnresolvedClass);
 }
 
 
 RawType* SnapshotReader::NewType() {
   ALLOC_NEW_OBJECT(Type);
 }
 
 
@@ skipping 775 matching lines @@
   return raw->ptr()->tags_;
 }
 
 
 #define VM_OBJECT_CLASS_LIST(V)                                                \
   V(OneByteString)                                                             \
   V(TwoByteString)                                                             \
   V(Mint)                                                                      \
   V(Bigint)                                                                    \
   V(Double)                                                                    \
+  V(Fraction)                                                                  \
   V(ImmutableArray)                                                            \
 
 #define VM_OBJECT_WRITE(clazz)                                                 \
   case clazz::kClassId: {                                                      \
     object_id = forward_list_->AddObject(zone(), rawobj, kIsSerialized);       \
     Raw##clazz* raw_obj = reinterpret_cast<Raw##clazz*>(rawobj);               \
         raw_obj->WriteTo(this, object_id, kind(), false);                      \
     return true;                                                               \
   }                                                                            \
 
@@ skipping 724 matching lines @@
   if (setjmp(*jump.Set()) == 0) {
     NoSafepointScope no_safepoint;
     WriteObject(obj.raw());
   } else {
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart