CoreJIT snapshots without training.

runtime/vm/snapshot.h

 // 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.
 
 #ifndef RUNTIME_VM_SNAPSHOT_H_
 #define RUNTIME_VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 136 matching lines @@
 
 
 // Structure capturing the raw snapshot.
 //
 // TODO(turnidge): Remove this class once the snapshot does not have a
 // header anymore.  This is pending on making the embedder pass in the
 // length of their snapshot.
 class Snapshot {
  public:
   enum Kind {
-    kCore = 0,  // Full snapshot of core libraries. No root library, no code.
+    // N.B. The order of these values must be preserved to give proper error
+    // messages for old snapshots.
+    kFull = 0,  // Full snapshot of core libraries or an application.
     kScript,    // A partial snapshot of only the application script.
     kMessage,   // A partial snapshot used only for isolate messaging.
-    kAppJIT,    // Full snapshot of core libraries and application. Has some
-                // code, but may compile in the future because we haven't
-                // necessarily included code for every function or to
-                // (de)optimize.
-    kAppAOT,    // Full snapshot of core libraries and application. Has
-                // complete code for the application that never deopts. Will
-                // not compile in the future.
+    kFullJIT,   // Full + JIT code
+    kFullAOT,   // Full + AOT code
     kNone,      // dart_bootstrap/gen_snapshot
     kInvalid
   };
   static const char* KindToCString(Kind kind);
 
   static const int kHeaderSize = 2 * sizeof(int64_t);
   static const int kLengthIndex = 0;
   static const int kSnapshotFlagIndex = 1;
 
   static const Snapshot* SetupFromBuffer(const void* raw_memory);
 
   // Getters.
   const uint8_t* content() const { OPEN_ARRAY_START(uint8_t, uint8_t); }
   intptr_t length() const {
     return static_cast<intptr_t>(ReadUnaligned(&unaligned_length_));
   }
   Kind kind() const {
     return static_cast<Kind>(ReadUnaligned(&unaligned_kind_));
   }
 
   static bool IsFull(Kind kind) {
-    return (kind == kCore) || (kind == kAppJIT) || (kind == kAppAOT);
+    return (kind == kFull) || (kind == kFullJIT) || (kind == kFullAOT);
   }
   static bool IncludesCode(Kind kind) {
-    return (kind == kAppJIT) || (kind == kAppAOT);
+    return (kind == kFullJIT) || (kind == kFullAOT);
   }
 
   const uint8_t* Addr() const { return reinterpret_cast<const uint8_t*>(this); }
 
   static intptr_t length_offset() {
     return OFFSET_OF(Snapshot, unaligned_length_);
   }
   static intptr_t kind_offset() { return OFFSET_OF(Snapshot, unaligned_kind_); }
 
  private:
@@ skipping 811 matching lines @@
  private:
   SnapshotWriter* writer_;
   bool as_references_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_SNAPSHOT_H_