- Allow patching of top-level methods and accessors.

runtime/vm/raw_object.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 VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 540 matching lines @@
     kImplicitGetter,     // represents an implicit getter for fields.
     kImplicitSetter,     // represents an implicit setter for fields.
     kConstImplicitGetter,  // represents an implicit const getter for fields.
   };
 
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(Function);
 
   enum KindTagBits {
     kStaticBit = 1,
-    kConstBit = 2,
-    kOptimizableBit = 3,
-    kHasFinallyBit = 4,
-    kNativeBit = 5,
-    kAbstractBit = 6,
-    kExternalBit = 6,
-    kKindTagBit = 7,
+    kConstBit,
+    kOptimizableBit,
+    kHasFinallyBit,
+    kNativeBit,
+    kAbstractBit,
+    kExternalBit,
+    kKindTagBit,
     kKindTagSize = 4,
   };
   class StaticBit : public BitField<bool, kStaticBit, 1> {};
   class ConstBit : public BitField<bool, kConstBit, 1> {};
   class OptimizableBit : public BitField<bool, kOptimizableBit, 1> {};
   class HasFinallyBit : public BitField<bool, kHasFinallyBit, 1> {};
   class NativeBit : public BitField<bool, kNativeBit, 1> {};
   class AbstractBit : public BitField<bool, kAbstractBit, 1> {};
   class ExternalBit : public BitField<bool, kExternalBit, 1> {};
   class KindBits : public BitField<Kind, kKindTagBit, kKindTagSize> {};
@@ skipping 134 matching lines @@
 
   friend class SnapshotReader;
 };
 
 
 class RawScript : public RawObject {
  public:
   enum Kind {
     kScriptTag = 0,
     kLibraryTag,
-    kSourceTag
+    kSourceTag,
+    kPatchTag,
   };
 
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(Script);
 
   RawObject** from() { return reinterpret_cast<RawObject**>(&ptr()->url_); }
   RawString* url_;
   RawString* source_;
   RawTokenStream* tokens_;
   RawObject** to() { return reinterpret_cast<RawObject**>(&ptr()->tokens_); }
@@ skipping 874 matching lines @@
          kExternalUint64Array == kByteArray + 18 &&
          kExternalFloat32Array == kByteArray + 19 &&
          kExternalFloat64Array == kByteArray + 20 &&
          kClosure == kByteArray + 21);
   return (index >= kByteArray && index <= kClosure);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_