From 571f1b55d3f143a3ce12091bfc42528e88dc12b0 Mon Sep 17 00:00:00 2001
From: Mihail Slavchev <mihail.slavchev@telerik.com>
Date: Wed, 29 Jul 2015 12:41:10 +0300
Subject: [PATCH] implement simple array buffer allocator

---
 src/jni/Android.mk           |  2 +-
 src/jni/SimpleAllocator.cpp  | 38 ++++++++++++++++++++++++++++++++++++
 src/jni/SimpleAllocator.h    | 24 +++++++++++++++++++++++
 src/jni/com_tns_Platform.cpp |  4 ++++
 4 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 src/jni/SimpleAllocator.cpp
 create mode 100644 src/jni/SimpleAllocator.h

diff --git a/src/jni/Android.mk b/src/jni/Android.mk
index e06a0753b..9b9411f27 100644
--- a/src/jni/Android.mk
+++ b/src/jni/Android.mk
@@ -63,7 +63,7 @@ include $(CLEAR_VARS)
 LOCAL_CPPFLAGS += -std=c++11
 LOCAL_MODULE    := NativeScript
 LOCAL_SRC_FILES := com_tns_Platform.cpp com_tns_JsDebugger.cpp com_tns_AssetExtractor.cpp com_tns_NativeScriptActity.cpp \
-					JEnv.cpp DirectBuffer.cpp \
+					JEnv.cpp DirectBuffer.cpp SimpleAllocator.cpp \
 					JsDebugger.cpp \
 					NativeScriptRuntime.cpp MetadataNode.cpp MetadataTreeNode.cpp MetadataReader.cpp \
 					MethodCache.cpp JavaObjectArrayCache.cpp \
diff --git a/src/jni/SimpleAllocator.cpp b/src/jni/SimpleAllocator.cpp
new file mode 100644
index 000000000..115ded125
--- /dev/null
+++ b/src/jni/SimpleAllocator.cpp
@@ -0,0 +1,38 @@
+#include "SimpleAllocator.h"
+#include <cstdlib>
+
+
+using namespace tns;
+
+
+SimpleAllocator::SimpleAllocator()
+{
+}
+
+
+
+SimpleAllocator::~SimpleAllocator()
+{
+}
+
+void* SimpleAllocator::Allocate(size_t length)
+{
+	void *data = calloc(length, 1);
+	return data;
+}
+
+void* SimpleAllocator::AllocateUninitialized(size_t length)
+{
+	void *data = malloc(length);
+	return data;
+
+}
+
+void SimpleAllocator::Free(void* data, size_t length)
+{
+	free(data);
+}
+
+
+
+
diff --git a/src/jni/SimpleAllocator.h b/src/jni/SimpleAllocator.h
new file mode 100644
index 000000000..88cd3e5e8
--- /dev/null
+++ b/src/jni/SimpleAllocator.h
@@ -0,0 +1,24 @@
+#ifndef SIMPLEALLOCATOR_H_
+#define SIMPLEALLOCATOR_H_
+
+#include "v8.h"
+
+namespace tns
+{
+	class SimpleAllocator : public v8::ArrayBuffer::Allocator
+	{
+	public:
+		SimpleAllocator();
+
+		~SimpleAllocator() override;
+
+		void* Allocate(size_t length) override;
+
+		void* AllocateUninitialized(size_t length) override;
+
+		void Free(void* data, size_t length) override;
+	};
+}
+
+
+#endif /* SIMPLEALLOCATOR_H_ */
diff --git a/src/jni/com_tns_Platform.cpp b/src/jni/com_tns_Platform.cpp
index d10d128d6..277a2db8a 100644
--- a/src/jni/com_tns_Platform.cpp
+++ b/src/jni/com_tns_Platform.cpp
@@ -18,6 +18,7 @@
 #include "NativeScriptAssert.h"
 #include "JsDebugger.h"
 #include "SimpleProfiler.h"
+#include "SimpleAllocator.h"
 #include "File.h"
 #include <sstream>
 #include <android/log.h>
@@ -39,6 +40,8 @@ Context::Scope *context_scope = nullptr;
 bool tns::LogEnabled = true;
 Isolate *g_isolate = nullptr;
 std::string Constants::APP_ROOT_FOLDER_PATH = "";
+SimpleAllocator g_allocator;
+
 
 ObjectManager *g_objectManager = nullptr;
 
@@ -165,6 +168,7 @@ extern "C" void Java_com_tns_Platform_initNativeScript(JNIEnv *_env, jobject obj
 	Platform* platform = v8::platform::CreateDefaultPlatform();
 	V8::InitializePlatform(platform);
 	V8::Initialize();
+	V8::SetArrayBufferAllocator(&g_allocator);
 
 	g_isolate = Isolate::New();
 	auto isolate = g_isolate;