MakeCallback: Consistent symbol usage

src/cares_wrap.cc

@@ -218,13 +218,13 @@ class QueryWrap {
   void CallOnComplete(Local<Value> answer) {
     HandleScope scope;
     Local<Value> argv[2] = { Integer::New(0), answer };
-    MakeCallback(object_, "oncomplete", 2, argv);
+    MakeCallback(object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
   }
 
   void CallOnComplete(Local<Value> answer, Local<Value> family) {
     HandleScope scope;
     Local<Value> argv[3] = { Integer::New(0), answer, family };
-    MakeCallback(object_, "oncomplete", 3, argv);
+    MakeCallback(object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
   }
 
   void ParseError(int status) {
@@ -233,7 +233,7 @@ class QueryWrap {
 
     HandleScope scope;
     Local<Value> argv[1] = { Integer::New(-1) };
-    MakeCallback(object_, "oncomplete", 1, argv);
+    MakeCallback(object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
   }
 
   // Subclasses should implement the appropriate Parse method.
@@ -679,7 +679,7 @@ void AfterGetAddrInfo(uv_getaddrinfo_t* req, int status, struct addrinfo* res) {
   uv_freeaddrinfo(res);
 
   // Make the callback into JavaScript
-  MakeCallback(req_wrap->object_, "oncomplete", 1, argv);
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
 
   delete req_wrap;
 }
@@ -755,7 +755,7 @@ static void Initialize(Handle<Object> target) {
   target->Set(String::NewSymbol("AF_INET6"), Integer::New(AF_INET6));
   target->Set(String::NewSymbol("AF_UNSPEC"), Integer::New(AF_UNSPEC));
 
-  oncomplete_sym = Persistent<String>::New(String::NewSymbol("oncomplete"));
+  oncomplete_sym = NODE_PSYMBOL("oncomplete");
 }
 
 

src/fs_event_wrap.cc

@@ -28,6 +28,8 @@ using namespace v8;
 
 namespace node {
 
+static Persistent<String> onchange_sym;
+
 #define UNWRAP                                                              \
   assert(!args.Holder().IsEmpty());                                         \
   assert(args.Holder()->InternalFieldCount() > 0);                          \
@@ -165,7 +167,11 @@ void FSEventWrap::OnEvent(uv_fs_event_t* handle, const char* filename,
     filename ? (Local<Value>)String::New(filename) : Local<Value>::New(v8::Null())
   };
 
-  MakeCallback(wrap->object_, "onchange", 3, argv);
+  if (onchange_sym.IsEmpty()) {
+    onchange_sym = NODE_PSYMBOL("onchange");
+  }
+
+  MakeCallback(wrap->object_, onchange_sym, ARRAY_SIZE(argv), argv);
 }
 
 

src/node.cc

@@ -231,8 +231,7 @@ static void Tick(void) {
 
   if (tick_callback_sym.IsEmpty()) {
     // Lazily set the symbol
-    tick_callback_sym =
+    tick_callback_sym = NODE_PSYMBOL("_tickCallback");
-      Persistent<String>::New(String::NewSymbol("_tickCallback"));
   }
 
   Local<Value> cb_v = process->Get(tick_callback_sym);
@@ -978,7 +977,11 @@ MakeCallback(const Handle<Object> object,
              int argc,
              Handle<Value> argv[]) {
   HandleScope scope;
-  return scope.Close(MakeCallback(object, String::NewSymbol(method), argc, argv));
+
+  Handle<Value> ret =
+    MakeCallback(object, String::NewSymbol(method), argc, argv);
+
+  return scope.Close(ret);
 }
 
 Handle<Value>

src/node_buffer.cc

@@ -741,8 +741,8 @@ void Buffer::Initialize(Handle<Object> target) {
   assert(unbase64('\n') == -2);
   assert(unbase64('\r') == -2);
 
-  length_symbol = Persistent<String>::New(String::NewSymbol("length"));
+  length_symbol = NODE_PSYMBOL("length");
-  chars_written_sym = Persistent<String>::New(String::NewSymbol("_charsWritten"));
+  chars_written_sym = NODE_PSYMBOL("_charsWritten");
 
   Local<FunctionTemplate> t = FunctionTemplate::New(Buffer::New);
   constructor_template = Persistent<FunctionTemplate>::New(t);

src/node_crypto.cc

@@ -82,6 +82,8 @@ static Persistent<String> fingerprint_symbol;
 static Persistent<String> name_symbol;
 static Persistent<String> version_symbol;
 static Persistent<String> ext_key_usage_symbol;
+static Persistent<String> onhandshakestart_sym;
+static Persistent<String> onhandshakedone_sym;
 
 static Persistent<FunctionTemplate> secure_context_constructor;
 
@@ -864,7 +866,7 @@ int Connection::SelectSNIContextCallback_(SSL *s, int *ad, void* arg) {
       // Call it
       Local<Value> ret;
       ret = Local<Value>::New(MakeCallback(Context::GetCurrent()->Global(),
-                                           callback, 1, argv));
+                                           callback, ARRAY_SIZE(argv), argv));
 
       // If ret is SecureContext
       if (secure_context_constructor->HasInstance(ret)) {
@@ -971,12 +973,18 @@ void Connection::SSLInfoCallback(const SSL *ssl, int where, int ret) {
   if (where & SSL_CB_HANDSHAKE_START) {
     HandleScope scope;
     Connection* c = static_cast<Connection*>(SSL_get_app_data(ssl));
-    MakeCallback(c->handle_, "onhandshakestart", 0, NULL);
+    if (onhandshakestart_sym.IsEmpty()) {
+      onhandshakestart_sym = NODE_PSYMBOL("onhandshakestart");
+    }
+    MakeCallback(c->handle_, onhandshakestart_sym, 0, NULL);
   }
   if (where & SSL_CB_HANDSHAKE_DONE) {
     HandleScope scope;
     Connection* c = static_cast<Connection*>(SSL_get_app_data(ssl));
-    MakeCallback(c->handle_, "onhandshakedone", 0, NULL);
+    if (onhandshakedone_sym.IsEmpty()) {
+      onhandshakedone_sym = NODE_PSYMBOL("onhandshakedone");
+    }
+    MakeCallback(c->handle_, onhandshakedone_sym, 0, NULL);
   }
 }
 
@@ -4117,7 +4125,7 @@ EIO_PBKDF2After(uv_work_t* req) {
 
   MakeCallback(Context::GetCurrent()->Global(),
                request->callback,
-               2, argv);
+               ARRAY_SIZE(argv), argv);
 
   delete[] request->pass;
   delete[] request->salt;
@@ -4307,7 +4315,7 @@ void RandomBytesAfter(uv_work_t* work_req) {
 
   MakeCallback(Context::GetCurrent()->Global(),
                req->callback_,
-               2, argv);
+               ARRAY_SIZE(argv), argv);
 
   delete req;
 }

src/node_file.cc

@@ -193,7 +193,10 @@ static void After(uv_fs_t *req) {
     }
   }
 
-  MakeCallback(req_wrap->object_, "oncomplete", argc, argv);
+  if (oncomplete_sym.IsEmpty()) {
+    oncomplete_sym = NODE_PSYMBOL("oncomplete");
+  }
+  MakeCallback(req_wrap->object_, oncomplete_sym, argc, argv);
 
   uv_fs_req_cleanup(&req_wrap->req_);
   delete req_wrap;

src/node_io_watcher.cc

@@ -69,7 +69,7 @@ void IOWatcher::Callback(EV_P_ ev_io *w, int revents) {
   argv[0] = Local<Value>::New(revents & EV_READ ? True() : False());
   argv[1] = Local<Value>::New(revents & EV_WRITE ? True() : False());
 
-  MakeCallback(io->handle_, callback, 2, argv);
+  MakeCallback(io->handle_, callback, ARRAY_SIZE(argv), argv);
 }
 
 

src/node_stat_watcher.cc

@@ -30,6 +30,8 @@ namespace node {
 using namespace v8;
 
 Persistent<FunctionTemplate> StatWatcher::constructor_template;
+static Persistent<String> onchange_sym;
+static Persistent<String> onstop_sym;
 
 void StatWatcher::Initialize(Handle<Object> target) {
   HandleScope scope;
@@ -54,7 +56,10 @@ void StatWatcher::Callback(EV_P_ ev_stat *watcher, int revents) {
   Local<Value> argv[2];
   argv[0] = BuildStatsObject(&watcher->attr);
   argv[1] = BuildStatsObject(&watcher->prev);
-  MakeCallback(handler->handle_, "onchange", 2, argv);
+  if (onchange_sym.IsEmpty()) {
+    onchange_sym = NODE_PSYMBOL("onchange");
+  }
+  MakeCallback(handler->handle_, onchange_sym, ARRAY_SIZE(argv), argv);
 }
 
 
@@ -106,7 +111,10 @@ Handle<Value> StatWatcher::Start(const Arguments& args) {
 Handle<Value> StatWatcher::Stop(const Arguments& args) {
   HandleScope scope;
   StatWatcher *handler = ObjectWrap::Unwrap<StatWatcher>(args.Holder());
-  MakeCallback(handler->handle_, "onstop", 0, NULL);
+  if (onstop_sym.IsEmpty()) {
+    onstop_sym = NODE_PSYMBOL("onstop");
+  }
+  MakeCallback(handler->handle_, onstop_sym, 0, NULL);
   handler->Stop();
   return Undefined();
 }

src/node_zlib.cc

@@ -211,7 +211,7 @@ class ZCtx : public ObjectWrap {
     assert(ctx->handle_->Get(callback_sym)->IsFunction() &&
            "Invalid callback");
     Local<Value> args[2] = { avail_in, avail_out };
-    MakeCallback(ctx->handle_, "callback", 2, args);
+    MakeCallback(ctx->handle_, callback_sym, ARRAY_SIZE(args), args);
 
     ctx->Unref();
   }
@@ -229,7 +229,7 @@ class ZCtx : public ObjectWrap {
     HandleScope scope;
     Local<Value> args[2] = { String::New(msg),
                              Local<Value>::New(Number::New(ctx->err_)) };
-    MakeCallback(ctx->handle_, "onerror", ARRAY_SIZE(args), args);
+    MakeCallback(ctx->handle_, onerror_sym, ARRAY_SIZE(args), args);
 
     // no hope of rescue.
     ctx->Unref();

src/pipe_wrap.cc

@@ -57,6 +57,9 @@ using v8::Boolean;
 
 Persistent<Function> pipeConstructor;
 
+static Persistent<String> onconnection_sym;
+static Persistent<String> oncomplete_sym;
+
 
 // TODO share with TCPWrap?
 typedef class ReqWrap<uv_connect_t> ConnectWrap;
@@ -215,7 +218,10 @@ void PipeWrap::OnConnection(uv_stream_t* handle, int status) {
 
   // Successful accept. Call the onconnection callback in JavaScript land.
   Local<Value> argv[1] = { client_obj };
-  MakeCallback(wrap->object_, "onconnection", 1, argv);
+  if (onconnection_sym.IsEmpty()) {
+    onconnection_sym = NODE_PSYMBOL("onconnection");
+  }
+  MakeCallback(wrap->object_, onconnection_sym, ARRAY_SIZE(argv), argv);
 }
 
 // TODO Maybe share this with TCPWrap?
@@ -247,7 +253,10 @@ void PipeWrap::AfterConnect(uv_connect_t* req, int status) {
     Local<Value>::New(Boolean::New(writable))
   };
 
-  MakeCallback(req_wrap->object_, "oncomplete", 5, argv);
+  if (oncomplete_sym.IsEmpty()) {
+    oncomplete_sym = NODE_PSYMBOL("oncomplete");
+  }
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
 
   delete req_wrap;
 }

src/process_wrap.cc

@@ -54,6 +54,7 @@ using v8::Context;
 using v8::Arguments;
 using v8::Integer;
 
+static Persistent<String> onexit_sym;
 
 class ProcessWrap : public HandleWrap {
  public:
@@ -223,7 +224,10 @@ class ProcessWrap : public HandleWrap {
       String::New(signo_string(term_signal))
     };
 
-    MakeCallback(wrap->object_, "onexit", 2, argv);
+    if (onexit_sym.IsEmpty()) {
+      onexit_sym = NODE_PSYMBOL("onexit");
+    }
+    MakeCallback(wrap->object_, onexit_sym, ARRAY_SIZE(argv), argv);
   }
 
   uv_process_t process_;

src/stream_wrap.cc

@@ -69,6 +69,8 @@ typedef class ReqWrap<uv_write_t> WriteWrap;
 
 static Persistent<String> buffer_sym;
 static Persistent<String> write_queue_size_sym;
+static Persistent<String> onread_sym;
+static Persistent<String> oncomplete_sym;
 static SlabAllocator slab_allocator(SLAB_SIZE);
 static bool initialized;
 
@@ -81,9 +83,10 @@ void StreamWrap::Initialize(Handle<Object> target) {
 
   HandleWrap::Initialize(target);
 
-  buffer_sym = Persistent<String>::New(String::NewSymbol("buffer"));
+  buffer_sym = NODE_PSYMBOL("buffer");
-  write_queue_size_sym =
+  write_queue_size_sym = NODE_PSYMBOL("writeQueueSize");
-    Persistent<String>::New(String::NewSymbol("writeQueueSize"));
+  onread_sym = NODE_PSYMBOL("onread");
+  oncomplete_sym = NODE_PSYMBOL("oncomplete");
 }
 
 
@@ -170,7 +173,7 @@ void StreamWrap::OnReadCommon(uv_stream_t* handle, ssize_t nread,
     }
 
     SetErrno(uv_last_error(uv_default_loop()));
-    MakeCallback(wrap->object_, "onread", 0, NULL);
+    MakeCallback(wrap->object_, onread_sym, 0, NULL);
     return;
   }
 
@@ -208,7 +211,7 @@ void StreamWrap::OnReadCommon(uv_stream_t* handle, ssize_t nread,
     argc++;
   }
 
-  MakeCallback(wrap->object_, "onread", argc, argv);
+  MakeCallback(wrap->object_, onread_sym, argc, argv);
 }
 
 
@@ -313,7 +316,7 @@ void StreamWrap::AfterWrite(uv_write_t* req, int status) {
     req_wrap->object_->GetHiddenValue(buffer_sym),
   };
 
-  MakeCallback(req_wrap->object_, "oncomplete", 4, argv);
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
 
   delete req_wrap;
 }
@@ -360,7 +363,7 @@ void StreamWrap::AfterShutdown(uv_shutdown_t* req, int status) {
     Local<Value>::New(req_wrap->object_)
   };
 
-  MakeCallback(req_wrap->object_, "oncomplete", 3, argv);
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
 
   delete req_wrap;
 }

src/tcp_wrap.cc

@@ -77,6 +77,8 @@ static Persistent<Function> tcpConstructor;
 static Persistent<String> family_symbol;
 static Persistent<String> address_symbol;
 static Persistent<String> port_symbol;
+static Persistent<String> oncomplete_sym;
+static Persistent<String> onconnection_sym;
 
 
 typedef class ReqWrap<uv_connect_t> ConnectWrap;
@@ -131,6 +133,8 @@ void TCPWrap::Initialize(Handle<Object> target) {
   family_symbol = NODE_PSYMBOL("family");
   address_symbol = NODE_PSYMBOL("address");
   port_symbol = NODE_PSYMBOL("port");
+  onconnection_sym = NODE_PSYMBOL("onconnection");
+  oncomplete_sym = NODE_PSYMBOL("oncomplete");
 
   target->Set(String::NewSymbol("TCP"), tcpConstructor);
 }
@@ -380,7 +384,7 @@ void TCPWrap::OnConnection(uv_stream_t* handle, int status) {
     argv[0] = Local<Value>::New(Null());
   }
 
-  MakeCallback(wrap->object_, "onconnection", 1, argv);
+  MakeCallback(wrap->object_, onconnection_sym, ARRAY_SIZE(argv), argv);
 }
 
 
@@ -406,7 +410,7 @@ void TCPWrap::AfterConnect(uv_connect_t* req, int status) {
     Local<Value>::New(v8::True())
   };
 
-  MakeCallback(req_wrap->object_, "oncomplete", 5, argv);
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
 
   delete req_wrap;
 }

src/timer_wrap.cc

@@ -50,6 +50,7 @@ using v8::Context;
 using v8::Arguments;
 using v8::Integer;
 
+static Persistent<String> ontimeout_sym;
 
 class TimerWrap : public HandleWrap {
  public:
@@ -70,6 +71,8 @@ class TimerWrap : public HandleWrap {
     NODE_SET_PROTOTYPE_METHOD(constructor, "getRepeat", GetRepeat);
     NODE_SET_PROTOTYPE_METHOD(constructor, "again", Again);
 
+    ontimeout_sym = NODE_PSYMBOL("ontimeout");
+
     target->Set(String::NewSymbol("Timer"), constructor->GetFunction());
   }
 
@@ -200,7 +203,7 @@ class TimerWrap : public HandleWrap {
     wrap->StateChange();
 
     Local<Value> argv[1] = { Integer::New(status) };
-    MakeCallback(wrap->object_, "ontimeout", 1, argv);
+    MakeCallback(wrap->object_, ontimeout_sym, ARRAY_SIZE(argv), argv);
   }
 
   uv_timer_t handle_;

src/udp_wrap.cc

@@ -68,6 +68,8 @@ Local<Object> AddressToJS(const sockaddr* addr);
 static Persistent<String> address_symbol;
 static Persistent<String> port_symbol;
 static Persistent<String> buffer_sym;
+static Persistent<String> oncomplete_sym;
+static Persistent<String> onmessage_sym;
 static SlabAllocator slab_allocator(SLAB_SIZE);
 
 
@@ -130,6 +132,8 @@ void UDPWrap::Initialize(Handle<Object> target) {
   buffer_sym = NODE_PSYMBOL("buffer");
   port_symbol = NODE_PSYMBOL("port");
   address_symbol = NODE_PSYMBOL("address");
+  oncomplete_sym = NODE_PSYMBOL("oncomplete");
+  onmessage_sym = NODE_PSYMBOL("onmessage");
 
   Local<FunctionTemplate> t = FunctionTemplate::New(New);
   t->InstanceTemplate()->SetInternalFieldCount(1);
@@ -394,7 +398,7 @@ void UDPWrap::OnSend(uv_udp_send_t* req, int status) {
     req_wrap->object_->GetHiddenValue(buffer_sym),
   };
 
-  MakeCallback(req_wrap->object_, "oncomplete", 4, argv);
+  MakeCallback(req_wrap->object_, oncomplete_sym, ARRAY_SIZE(argv), argv);
   delete req_wrap;
 }
 
@@ -422,7 +426,7 @@ void UDPWrap::OnRecv(uv_udp_t* handle,
   if (nread < 0) {
     Local<Value> argv[] = { Local<Object>::New(wrap->object_) };
     SetErrno(uv_last_error(uv_default_loop()));
-    MakeCallback(wrap->object_, "onmessage", ARRAY_SIZE(argv), argv);
+    MakeCallback(wrap->object_, onmessage_sym, ARRAY_SIZE(argv), argv);
     return;
   }
 
@@ -433,7 +437,7 @@ void UDPWrap::OnRecv(uv_udp_t* handle,
     Integer::NewFromUnsigned(nread),
     AddressToJS(addr)
   };
-  MakeCallback(wrap->object_, "onmessage", ARRAY_SIZE(argv), argv);
+  MakeCallback(wrap->object_, onmessage_sym, ARRAY_SIZE(argv), argv);
 }