Support for taking full snapshots from 'dart', not just 'dart_bootstrap'.

runtime/vm/snapshot_test.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/globals.h"
 
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 818 matching lines @@
   static const intptr_t kInitialSize = 64 * KB;
   TestSnapshotWriter(uint8_t** buffer, ReAlloc alloc)
       : SnapshotWriter(Thread::Current(),
                        Snapshot::kScript,
                        buffer,
                        alloc,
                        kInitialSize,
                        &forward_list_,
                        NULL, /* test_writer */
                        true, /* can_send_any_object */
-                       true /* vm_isolate_is_symbolic */),
+                       false /* writing_vm_isolate */),
         forward_list_(thread(), kMaxPredefinedObjectIds) {
     ASSERT(buffer != NULL);
     ASSERT(alloc != NULL);
   }
   ~TestSnapshotWriter() { }
 
   // Writes just a script object
   void WriteScript(const Script& script) {
     WriteObject(script.raw());
   }
@@ skipping 330 matching lines @@
     EXPECT_VALID(Api::CheckAndFinalizePendingClasses(thread));
     timer1.Stop();
     OS::PrintErr("Without Snapshot: %" Pd64 "us\n", timer1.TotalElapsedTime());
 
     // Write snapshot with object content.
     {
       FullSnapshotWriter writer(Snapshot::kCore,
                                 NULL,
                                 &isolate_snapshot_buffer,
                                 &malloc_allocator,
-                                NULL, /* instructions_writer */
-                                true);
+                                NULL /* instructions_writer */);
       writer.WriteFullSnapshot();
     }
   }
 
   // Now Create another isolate using the snapshot and execute a method
   // from the script.
   Timer timer2(true, "Snapshot_test");
   timer2.Start();
   TestCase::CreateTestIsolateFromSnapshot(isolate_snapshot_buffer);
   {
@@ skipping 39 matching lines @@
     EXPECT_VALID(Api::CheckAndFinalizePendingClasses(thread));
     timer1.Stop();
     OS::PrintErr("Without Snapshot: %" Pd64 "us\n", timer1.TotalElapsedTime());
 
     // Write snapshot with object content.
     {
       FullSnapshotWriter writer(Snapshot::kCore,
                                 NULL,
                                 &isolate_snapshot_buffer,
                                 &malloc_allocator,
-                                NULL, /* instructions_writer */
-                                true /* vm_isolate_is_symbolic */);
+                                NULL /* instructions_writer */);
       writer.WriteFullSnapshot();
     }
 
     // Invoke a function which returns an object.
     Dart_Handle cls = Dart_GetClass(lib, NewString("FieldsTest"));
     Dart_Handle result = Dart_Invoke(cls, NewString("testMain"), 0, NULL);
     EXPECT_VALID(result);
   }
 
   // Now Create another isolate using the snapshot and execute a method
@@ skipping 1745 matching lines @@
   StackZone zone(Thread::Current());
   uint8_t* buffer;
   MessageWriter writer(&buffer, &zone_allocator, true);
   writer.WriteInlinedObjectHeader(kOmittedObjectId);
   // For performance, we'd like single-byte headers when ids are omitted.
   // If this starts failing, consider renumbering the snapshot ids.
   EXPECT_EQ(1, writer.BytesWritten());
 }
 
 }  // namespace dart