Added macros OBJECT_IMPLEMENTATION and FINAL_OBJECT_IMPLEMENTATION

lib/integers.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 "vm/bootstrap_natives.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/dart_entry.h"
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, trace_intrinsified_natives, false,
     "Report if any of the intrinsified natives are called");
 
 // Smi natives.
 
 // Returns false if integer is in wrong representation, e.g., as is a Bigint
 // when it could have been a Smi.
 static bool CheckInteger(const Integer& i) {
   if (i.IsBigint()) {
-    Bigint& bigint = Bigint::Handle();
-    bigint |= i.raw();
+    const Bigint& bigint = Bigint::Cast(i);
     return !BigintOperations::FitsIntoSmi(bigint) &&
         !BigintOperations::FitsIntoMint(bigint);
   }
   if (i.IsMint()) {
-    Mint& mint = Mint::Handle();
-    mint |= i.raw();
+    const Mint& mint = Mint::Cast(i);
     return !Smi::IsValid64(mint.value());
   }
   return true;
 }
 
 
 DEFINE_NATIVE_ENTRY(Integer_bitAndFromInteger, 2) {
   const Integer& right = Integer::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, left, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(right));
@@ skipping 167 matching lines @@
 
 static RawInteger* ShiftOperationHelper(Token::Kind kind,
                                         const Integer& value,
                                         const Smi& amount) {
   if (amount.Value() < 0) {
     const Array& args = Array::Handle(Array::New(1));
     args.SetAt(0, amount);
     Exceptions::ThrowByType(Exceptions::kArgument, args);
   }
   if (value.IsSmi()) {
-    Smi& smi_value = Smi::Handle();
-    smi_value |= value.raw();
+    const Smi& smi_value = Smi::Cast(value);
     return smi_value.ShiftOp(kind, amount);
   }
   Bigint& big_value = Bigint::Handle();
   if (value.IsMint()) {
     const int64_t mint_value = value.AsInt64Value();
     const int count = Utils::HighestBit(mint_value);
     if ((count + amount.Value()) < Mint::kBits) {
       switch (kind) {
         case Token::kSHL:
           return Integer::New(mint_value << amount.Value());
         case Token::kSHR:
           return Integer::New(mint_value >> amount.Value());
         default:
           UNIMPLEMENTED();
       }
     } else {
       // Overflow in shift, use Bigints
       big_value = BigintOperations::NewFromInt64(mint_value);
     }
   } else {
     ASSERT(value.IsBigint());
-    big_value |= value.raw();
+    big_value = Bigint::Cast(value).raw();
   }
   switch (kind) {
     case Token::kSHL:
       return BigintOperations::ShiftLeft(big_value, amount.Value());
     case Token::kSHR:
       return BigintOperations::ShiftRight(big_value, amount.Value());
     default:
       UNIMPLEMENTED();
   }
   return Integer::null();
@@ skipping 53 matching lines @@
 
 DEFINE_NATIVE_ENTRY(Bigint_bitNegate, 1) {
   const Bigint& value = Bigint::CheckedHandle(arguments->NativeArgAt(0));
   const Bigint& result = Bigint::Handle(BigintOperations::BitNot(value));
   ASSERT(CheckInteger(value));
   ASSERT(CheckInteger(result));
   return result.AsValidInteger();
 }
 
 }  // namespace dart