Support const modifier in fields, variables

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 1636 matching lines @@
   HEAP_OBJECT_IMPLEMENTATION(Function, Object);
   friend class Class;
 };
 
 
 class Field : public Object {
  public:
   RawString* name() const { return raw_ptr()->name_; }
   bool is_static() const { return raw_ptr()->is_static_; }
   bool is_final() const { return raw_ptr()->is_final_; }
-  // TODO(regis): Implement support for const fields. Until then, current final
-  // fields are considered const.
-  bool is_const() const { return raw_ptr()->is_final_; }
+  bool is_const() const { return raw_ptr()->is_const_; }
 
   inline intptr_t Offset() const;
   inline void SetOffset(intptr_t value) const;
 
   RawInstance* value() const;
   void set_value(const Instance& value) const;
 
   RawClass* owner() const { return raw_ptr()->owner_; }
   void set_owner(const Class& value) const {
     StorePointer(&raw_ptr()->owner_, value.raw());
   }
 
   RawAbstractType* type() const  { return raw_ptr()->type_; }
   void set_type(const AbstractType& value) const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawField));
   }
 
   static RawField* New(const String& name,
                        bool is_static,
                        bool is_final,
+                       bool is_const,
                        intptr_t token_pos);
 
   static intptr_t value_offset() { return OFFSET_OF(RawField, value_); }
 
   intptr_t token_pos() const { return raw_ptr()->token_pos_; }
 
   bool has_initializer() const { return raw_ptr()->has_initializer_; }
   void set_has_initializer(bool has_initializer) const {
     raw_ptr()->has_initializer_ = has_initializer;
   }
 
   // Constructs getter and setter names for fields and vice versa.
   static RawString* GetterName(const String& field_name);
   static RawString* GetterSymbol(const String& field_name);
   static RawString* SetterName(const String& field_name);
   static RawString* SetterSymbol(const String& field_name);
   static RawString* NameFromGetter(const String& getter_name);
   static RawString* NameFromSetter(const String& setter_name);
   static bool IsGetterName(const String& function_name);
   static bool IsSetterName(const String& function_name);
 
  private:
   void set_name(const String& value) const;
   void set_is_static(bool is_static) const {
     raw_ptr()->is_static_ = is_static;
   }
   void set_is_final(bool is_final) const {
     raw_ptr()->is_final_ = is_final;
   }
+  void set_is_const(bool value) const {
+    raw_ptr()->is_const_ = value;
+  }
   void set_token_pos(intptr_t token_pos) const {
     raw_ptr()->token_pos_ = token_pos;
   }
   static RawField* New();
 
   HEAP_OBJECT_IMPLEMENTATION(Field, Object);
   friend class Class;
 };
 
 
@@ skipping 3485 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_