Cache compile-time constants on the script object, sometimes.

runtime/vm/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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3459 matching lines @@
   RawScript::Kind kind() const {
     return static_cast<RawScript::Kind>(raw_ptr()->kind_);
   }
   const char* GetKindAsCString() const;
   intptr_t line_offset() const { return raw_ptr()->line_offset_; }
   intptr_t col_offset() const { return raw_ptr()->col_offset_; }
 
   // The load time in milliseconds since epoch.
   int64_t load_timestamp() const { return raw_ptr()->load_timestamp_; }
 
+  RawArray* compile_time_constants() const {
+    return raw_ptr()->compile_time_constants_;
+  }
+  void set_compile_time_constants(const Array& value) const;
+
   RawTokenStream* tokens() const { return raw_ptr()->tokens_; }
 
   void Tokenize(const String& private_key,
                 bool use_shared_tokens = true) const;
 
   RawLibrary* FindLibrary() const;
   RawString* GetLine(intptr_t line_number,
                      Heap::Space space = Heap::kNew) const;
   RawString* GetSnippet(intptr_t from_line,
                         intptr_t from_column,
@@ skipping 5241 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_