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src: enable v8 deprecation warnings and fix them
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Turn on V8 API deprecation warnings.  Fix up the no-arg Isolate::New()
calls in src/node.cc and src/debug-agent.cc.

PR-URL: #2091
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
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bnoordhuis authored and rvagg committed Sep 6, 2015
1 parent d571680 commit 9a03ae6
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Showing 4 changed files with 24 additions and 36 deletions.
2 changes: 2 additions & 0 deletions node.gyp
Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,8 @@
'NODE_ARCH="<(target_arch)"',
'NODE_PLATFORM="<(OS)"',
'NODE_WANT_INTERNALS=1',
# Warn when using deprecated V8 APIs.
'V8_DEPRECATION_WARNINGS=1',
],


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5 changes: 4 additions & 1 deletion src/debug-agent.cc
Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,10 @@ void Agent::Stop() {

void Agent::WorkerRun() {
static const char* argv[] = { "node", "--debug-agent" };
Isolate* isolate = Isolate::New();
Isolate::CreateParams params;
ArrayBufferAllocator array_buffer_allocator;
params.array_buffer_allocator = &array_buffer_allocator;
Isolate* isolate = Isolate::New(params);
{
Locker locker(isolate);
Isolate::Scope isolate_scope(isolate);
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39 changes: 4 additions & 35 deletions src/node.cc
Original file line number Diff line number Diff line change
Expand Up @@ -152,38 +152,6 @@ static uv_async_t dispatch_debug_messages_async;
static Isolate* node_isolate = nullptr;
static v8::Platform* default_platform;

class ArrayBufferAllocator : public ArrayBuffer::Allocator {
public:
// Impose an upper limit to avoid out of memory errors that bring down
// the process.
static const size_t kMaxLength = 0x3fffffff;
static ArrayBufferAllocator the_singleton;
virtual ~ArrayBufferAllocator() = default;
virtual void* Allocate(size_t length) override;
virtual void* AllocateUninitialized(size_t length) override;
virtual void Free(void* data, size_t length) override;
private:
ArrayBufferAllocator() = default;
DISALLOW_COPY_AND_ASSIGN(ArrayBufferAllocator);
};

ArrayBufferAllocator ArrayBufferAllocator::the_singleton;


void* ArrayBufferAllocator::Allocate(size_t length) {
return calloc(length, 1);
}


void* ArrayBufferAllocator::AllocateUninitialized(size_t length) {
return malloc(length);
}


void ArrayBufferAllocator::Free(void* data, size_t length) {
free(data);
}


static void CheckImmediate(uv_check_t* handle) {
Environment* env = Environment::from_immediate_check_handle(handle);
Expand Down Expand Up @@ -3711,8 +3679,6 @@ void Init(int* argc,
V8::SetFlagsFromString(expose_debug_as, sizeof(expose_debug_as) - 1);
}

V8::SetArrayBufferAllocator(&ArrayBufferAllocator::the_singleton);

if (!use_debug_agent) {
RegisterDebugSignalHandler();
}
Expand Down Expand Up @@ -3914,7 +3880,10 @@ Environment* CreateEnvironment(Isolate* isolate,
// node instance.
static void StartNodeInstance(void* arg) {
NodeInstanceData* instance_data = static_cast<NodeInstanceData*>(arg);
Isolate* isolate = Isolate::New();
Isolate::CreateParams params;
ArrayBufferAllocator array_buffer_allocator;
params.array_buffer_allocator = &array_buffer_allocator;
Isolate* isolate = Isolate::New(params);
if (track_heap_objects) {
isolate->GetHeapProfiler()->StartTrackingHeapObjects(true);
}
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14 changes: 14 additions & 0 deletions src/node_internals.h
Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,20 @@ NODE_DEPRECATED("Use ThrowUVException(isolate)",
return ThrowUVException(isolate, errorno, syscall, message, path);
})

struct ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
virtual void* Allocate(size_t size) {
return calloc(size, 1);
}

virtual void* AllocateUninitialized(size_t size) {
return malloc(size);
}

virtual void Free(void* data, size_t) {
free(data);
}
};

enum NodeInstanceType { MAIN, WORKER };

class NodeInstanceData {
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