Issue 4127 - [emscripten] Convert subscription classes to C++ - Part 2

compiled/subscription/Subscription.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #pragma once
 
+#include <type_traits>
 #include <vector>
 
 #include "../filter/Filter.h"
 #include "../String.h"
 #include "../intrusive_ptr.h"
 #include "../debug.h"
 
 #define SUBSCRIPTION_PROPERTY(type, name, getter, setter) \
+    static_assert(std::is_arithmetic<type>::value, "SUBSCRIPTION_PROPERTY macro can only be used with arithmetic types");\
     private:\
       type name;\
     public:\
       type EMSCRIPTEN_KEEPALIVE getter() const\
       {\
         return name;\
       }\
       void EMSCRIPTEN_KEEPALIVE setter(type value)\
       {\
         if (name != value)\
         {\
           type oldvalue = name;\
           name = value;\
           DependentString action(u"subscription."_str #name);\
-          EM_ASM_ARGS({\
-            var subscription = new (exports[Subscription_mapping[$2]])($1);\
-            FilterNotifier.triggerListeners(readString($0), subscription, $3, $4);\
-          }, &action, this, mType, value, oldvalue);\
+          if (sizeof(type) <= 4)\
+          {\
+            EM_ASM_ARGS({\
+              var subscription = new (exports[Subscription_mapping[$2]])($1);\
+              FilterNotifier.triggerListeners(readString($0), subscription, $3, $4);\
+            }, &action, this, mType, value, oldvalue);\
+          }\
+          else\
+          {\
+            EM_ASM_ARGS({\
+              var subscription = new (exports[Subscription_mapping[$2]])($1);\
+              FilterNotifier.triggerListeners(readString($0), subscription, $3, $4);\
+            }, &action, this, mType, (double)value, (double)oldvalue);\
+          }\
         }\
       }
 
 #define SUBSCRIPTION_STRING_PROPERTY(name, getter, setter) \
     private:\
       OwnedString name;\
     public:\
       const String& EMSCRIPTEN_KEEPALIVE getter() const\
       {\
         return name;\
@@ skipping 46 matching lines @@
 
   EMSCRIPTEN_KEEPALIVE Filter* FilterAt(unsigned index);
   EMSCRIPTEN_KEEPALIVE int IndexOfFilter(Filter* filter);
   EMSCRIPTEN_KEEPALIVE OwnedString Serialize() const;
   EMSCRIPTEN_KEEPALIVE OwnedString SerializeFilters() const;
 
   static EMSCRIPTEN_KEEPALIVE Subscription* FromID(const String& id);
 };
 
 typedef intrusive_ptr<Subscription> SubscriptionPtr;