Issue 3589 - Change return type of AdblockPlus::JsValue::Call from pointer to r-value object.

src/JsValue.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
- * Copyright (C) 2006-2016 Eyeo GmbH
+ * 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/>.
  */
 
 #include <vector>
 #include <AdblockPlus.h>
 
 #include "JsContext.h"
 #include "JsError.h"
 #include "Utils.h"
 
+using namespace AdblockPlus;
+
 AdblockPlus::JsValue::JsValue(AdblockPlus::JsEnginePtr jsEngine,
       v8::Handle<v8::Value> value)
     : jsEngine(jsEngine),
-      value(new v8::Persistent<v8::Value>(jsEngine->isolate, value))
+      value(new v8::Persistent<v8::Value>(jsEngine->GetIsolate(), value))
 {
 }
 
 AdblockPlus::JsValue::JsValue(AdblockPlus::JsValue&& src)
     : jsEngine(src.jsEngine),
       value(std::move(src.value))
 {
 }
 
 AdblockPlus::JsValue::~JsValue()
@@ skipping 93 matching lines @@
 
 std::vector<std::string> AdblockPlus::JsValue::GetOwnPropertyNames() const
 {
   if (!IsObject())
     throw new std::runtime_error("Attempting to get propert list for a non-object");
 
   const JsContext context(jsEngine);
   v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(UnwrapValue());
   JsValueList properties = JsValuePtr(new JsValue(jsEngine, object->GetOwnPropertyNames()))->AsList();
   std::vector<std::string> result;
-  for (JsValueList::iterator it = properties.begin(); it != properties.end(); ++it)
-    result.push_back((*it)->AsString());
+  for (const auto& property : properties)
+    result.push_back(property->AsString());
   return result;
 }
 
 
 AdblockPlus::JsValuePtr AdblockPlus::JsValue::GetProperty(const std::string& name) const
 {
   if (!IsObject())
     throw new std::runtime_error("Attempting to get property of a non-object");
 
   const JsContext context(jsEngine);
-  v8::Local<v8::String> property = Utils::ToV8String(jsEngine->isolate, name);
+  v8::Local<v8::String> property = Utils::ToV8String(jsEngine->GetIsolate(), name);
   v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(UnwrapValue());
   return JsValuePtr(new JsValue(jsEngine, obj->Get(property)));
 }
 
 void AdblockPlus::JsValue::SetProperty(const std::string& name, v8::Handle<v8::Value> val)
 {
   if (!IsObject())
     throw new std::runtime_error("Attempting to set property on a non-object");
 
-  v8::Local<v8::String> property = Utils::ToV8String(jsEngine->isolate, name);
+  v8::Local<v8::String> property = Utils::ToV8String(jsEngine->GetIsolate(), name);
   v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(UnwrapValue());
   obj->Set(property, val);
 }
 
 v8::Local<v8::Value> AdblockPlus::JsValue::UnwrapValue() const
 {
-  return v8::Local<v8::Value>::New(jsEngine->isolate, *value);
+  return v8::Local<v8::Value>::New(jsEngine->GetIsolate(), *value);
 }
 
 void AdblockPlus::JsValue::SetProperty(const std::string& name, const std::string& val)
 {
   const JsContext context(jsEngine);
-  SetProperty(name, Utils::ToV8String(jsEngine->isolate, val));
+  SetProperty(name, Utils::ToV8String(jsEngine->GetIsolate(), val));
 }
 
 void AdblockPlus::JsValue::SetProperty(const std::string& name, int64_t val)
 {
   const JsContext context(jsEngine);
-  SetProperty(name, v8::Number::New(jsEngine->isolate, val));
+  SetProperty(name, v8::Number::New(jsEngine->GetIsolate(), val));
 }
 
 void AdblockPlus::JsValue::SetProperty(const std::string& name, const JsValuePtr& val)
 {
   const JsContext context(jsEngine);
   SetProperty(name, val->UnwrapValue());
 }
 
 void AdblockPlus::JsValue::SetProperty(const std::string& name, bool val)
 {
   const JsContext context(jsEngine);
   SetProperty(name, v8::Boolean::New(val));
 }
 
 std::string AdblockPlus::JsValue::GetClass() const
 {
   if (!IsObject())
     throw new std::runtime_error("Cannot get constructor of a non-object");
 
   const JsContext context(jsEngine);
   v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(UnwrapValue());
   return Utils::FromV8String(obj->GetConstructorName());
 }
 
-AdblockPlus::JsValue AdblockPlus::JsValue::Call(const JsValueList& params, JsValuePtr thisPtr) const
+JsValue JsValue::Call(const JsConstValueList& params, JsValuePtr thisPtr) const
+{
+  const JsContext context(jsEngine);
+  v8::Local<v8::Object> thisObj = thisPtr ?
+    v8::Local<v8::Object>::Cast(thisPtr->UnwrapValue()) :
+    context.GetV8Context()->Global();
+
+  std::vector<v8::Handle<v8::Value>> argv;
+  for (const auto& param : params)
+    argv.push_back(param->UnwrapValue());
+
+  return Call(argv, thisObj);
+}
+
+JsValue JsValue::Call(const JsValue& arg) const
+{
+  const JsContext context(jsEngine);
+
+  std::vector<v8::Handle<v8::Value>> argv;
+  argv.push_back(arg.UnwrapValue());
+
+  return Call(argv, context.GetV8Context()->Global());
+}
+
+JsValue JsValue::Call(std::vector<v8::Handle<v8::Value>>& args, v8::Local<v8::Object> thisObj) const
 {
   if (!IsFunction())
     throw new std::runtime_error("Attempting to call a non-function");
-
-  const JsContext context(jsEngine);
-  if (!thisPtr)
-  {
-    v8::Local<v8::Context> localContext = v8::Local<v8::Context>::New(
-      jsEngine->isolate, *jsEngine->context);
-    thisPtr = JsValuePtr(new JsValue(jsEngine, localContext->Global()));
-  }
-  if (!thisPtr->IsObject())
+  if (!thisObj->IsObject())
     throw new std::runtime_error("`this` pointer has to be an object");
-  v8::Local<v8::Object> thisObj = v8::Local<v8::Object>::Cast(thisPtr->UnwrapValue());
-
-  std::vector<v8::Handle<v8::Value>> argv;
-  for (JsValueList::const_iterator it = params.begin(); it != params.end(); ++it)
-    argv.push_back((*it)->UnwrapValue());
+
+  const JsContext context(jsEngine);
 
   const v8::TryCatch tryCatch;
   v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(UnwrapValue());
-  v8::Local<v8::Value> result = func->Call(thisObj, argv.size(),
-      argv.size() ? &argv.front() : 0);
+  v8::Local<v8::Value> result = func->Call(thisObj, args.size(),
+    args.size() ? &args[0] : nullptr);
 
   if (tryCatch.HasCaught())
     throw JsError(tryCatch.Exception(), tryCatch.Message());
 
   return JsValue(jsEngine, result);
 }