Support posting of external data into dart as external uint8 arrays through the Dart API.

runtime/bin/dartutils.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 BIN_DARTUTILS_H_
 #define BIN_DARTUTILS_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 #include "include/dart_api.h"
@@ skipping 28 matching lines @@
       count_ += 1;
     } else {
       abort();  // We should never get into this situation.
     }
   }
 
   void operator delete(void* pointer) { abort(); }
 
  private:
   void* operator new(size_t size);
-  CommandLineOptions(const CommandLineOptions&);
-  void operator=(const CommandLineOptions&);
 
   int count_;
   int max_count_;
   const char** arguments_;
+
+  DISALLOW_COPY_AND_ASSIGN(CommandLineOptions);
 };
 
 
 class DartUtils {
  public:
   // TODO(turnidge): Clean up the implementations of these so that
   // they allow for proper error propagation.
 
   // Assumes that the value object is known to be an integer object
   // that fits in a signed 64-bit integer.
@@ skipping 97 matching lines @@
   static CObject* Bool(bool value);
   static Dart_CObject* NewInt32(int32_t value);
   static Dart_CObject* NewInt64(int64_t value);
   static Dart_CObject* NewIntptr(intptr_t value);
   // TODO(sgjesse): Add support for kBigint.
   static Dart_CObject* NewDouble(double value);
   static Dart_CObject* NewString(int length);
   static Dart_CObject* NewString(const char* str);
   static Dart_CObject* NewArray(int length);
   static Dart_CObject* NewUint8Array(int length);
+  static Dart_CObject* NewExternalUint8Array(int length,
+                                             uint8_t* data,
+                                             void* peer,
+                                             Dart_PeerFinalizer callback);
 
   Dart_CObject* AsApiCObject() { return cobject_; }
 
   // Create a new CObject array with an illegal arguments error.
   static CObject* IllegalArgumentError();
   // Create a new CObject array with a file closed error.
   static CObject* FileClosedError();
   // Create a new CObject array with the current OS error.
   static CObject* NewOSError();
   // Create a new CObject array with the specified OS error.
   static CObject* NewOSError(OSError* os_error);
 
  protected:
   CObject() : cobject_(NULL) {}
   Dart_CObject* cobject_;
 
  private:
   static Dart_CObject* New(Dart_CObject::Type type, int additional_bytes = 0);
 
   static Dart_CObject api_null_;
   static Dart_CObject api_true_;
   static Dart_CObject api_false_;
   static CObject null_;
   static CObject true_;
   static CObject false_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObject);
 };
 
 
 #define DECLARE_COBJECT_CONSTRUCTORS(t)                                        \
   explicit CObject##t(Dart_CObject *cobject) : CObject(cobject) {              \
     ASSERT(type() == Dart_CObject::k##t);                                      \
     cobject_ = cobject;                                                        \
   }                                                                            \
   explicit CObject##t(CObject* cobject) : CObject() {                          \
     ASSERT(cobject != NULL);                                                   \
     ASSERT(cobject->type() == Dart_CObject::k##t);                             \
     cobject_ = cobject->AsApiCObject();                                        \
   }
 
 
 class CObjectBool : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Bool)
 
   bool Value() const { return cobject_->value.as_bool; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectBool);
 };
 
 
 class CObjectInt32 : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Int32)
 
   int32_t Value() const { return cobject_->value.as_int32; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectInt32);
 };
 
 
 class CObjectInt64 : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Int64)
 
   int64_t Value() const { return cobject_->value.as_int64; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectInt64);
 };
 
 
 class CObjectIntptr : public CObject {
  public:
   explicit CObjectIntptr(Dart_CObject *cobject) : CObject(cobject) {
     ASSERT(type() == Dart_CObject::kInt32 || type() == Dart_CObject::kInt64);
     cobject_ = cobject;
   }
   explicit CObjectIntptr(CObject* cobject) : CObject() {
     ASSERT(cobject != NULL);
     ASSERT(cobject->type() == Dart_CObject::kInt64 ||
            cobject->type() == Dart_CObject::kInt32);
     cobject_ = cobject->AsApiCObject();
   }
 
   intptr_t Value()  {
     intptr_t result;
     if (type() == Dart_CObject::kInt32) {
       result = cobject_->value.as_int32;
     } else {
       result = cobject_->value.as_int64;
     }
     return result;
   }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectIntptr);
 };
 
 
 class CObjectBigint : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Bigint)
 
   char* Value() const { return cobject_->value.as_bigint; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectBigint);
 };
 
 
 class CObjectDouble : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Double)
 
   double Value() const { return cobject_->value.as_double; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectDouble);
 };
 
 
 class CObjectString : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(String)
 
   int Length() const { return strlen(cobject_->value.as_string); }
   char* CString() const { return cobject_->value.as_string; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectString);
 };
 
 
 class CObjectArray : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Array)
 
   int Length() const { return cobject_->value.as_array.length; }
   CObject* operator[](int index) const {
     return new CObject(cobject_->value.as_array.values[index]);
   }
   void SetAt(int index, CObject* value) {
     cobject_->value.as_array.values[index] = value->AsApiCObject();
   }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectArray);
 };
 
 
 class CObjectUint8Array : public CObject {
  public:
   DECLARE_COBJECT_CONSTRUCTORS(Uint8Array)
 
   int Length() const { return cobject_->value.as_byte_array.length; }
   uint8_t* Buffer() const { return cobject_->value.as_byte_array.values; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectUint8Array);
+};
+
+
+class CObjectExternalUint8Array : public CObject {
+ public:
+  DECLARE_COBJECT_CONSTRUCTORS(ExternalUint8Array)
+
+  int Length() const { return cobject_->value.as_external_byte_array.length; }
+  uint8_t* Data() const { return cobject_->value.as_external_byte_array.data; }
+  void* Peer() const { return cobject_->value.as_external_byte_array.peer; }
+  Dart_PeerFinalizer Callback() const {
+    return cobject_->value.as_external_byte_array.callback;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CObjectExternalUint8Array);
 };
 
 #endif  // BIN_DARTUTILS_H_