js/xpconnect/loader/PrecompiledScript.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_dom_PrecompiledScript_h
   7 #define mozilla_dom_PrecompiledScript_h
   8
   9 #include "mozilla/dom/BindingDeclarations.h"
  10 #include "mozilla/dom/PrecompiledScriptBinding.h"
  11 #include "mozilla/RefPtr.h"
  12
  13 #include "js/experimental/JSStencil.h"
  14 #include "js/TypeDecls.h"
  15
  16 #include "nsCOMPtr.h"
  17 #include "nsCycleCollectionParticipant.h"
  18 #include "nsISupports.h"
  19 #include "nsWrapperCache.h"
  20
  21 namespace JS {
  22 class ReadOnlyCompileOptions;
  23 }
  24
  25 namespace mozilla {
  26 namespace dom {
  27 class PrecompiledScript : public nsISupports, public nsWrapperCache {
  28   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  29   NS_DECL_CYCLE_COLLECTION_SKIPPABLE_WRAPPERCACHE_CLASS(PrecompiledScript)
  30
  31   explicit PrecompiledScript(nsISupports* aParent, RefPtr<JS::Stencil> aStencil,
  32                              JS::ReadOnlyCompileOptions& aOptions);
  33
  34   void ExecuteInGlobal(JSContext* aCx, JS::Handle<JSObject*> aGlobal,
  35                        const ExecuteInGlobalOptions& aOptions,
  36                        JS::MutableHandle<JS::Value> aRval, ErrorResult& aRv);
  37
  38   void GetUrl(nsAString& aUrl);
  39
  40   bool HasReturnValue();
  41
  42   nsISupports* GetParentObject() const { return mParent; }
  43
  44   virtual JSObject* WrapObject(JSContext* aCx,
  45                                JS::Handle<JSObject*> aGivenProto) override;
  46
  47  protected:
  48   virtual ~PrecompiledScript() = default;
  49
  50  private:
  51   bool IsBlackForCC(bool aTracingNeeded);
  52
  53   nsCOMPtr<nsISupports> mParent;
  54
  55   RefPtr<JS::Stencil> mStencil;
  56   nsCString mPublicURL;
  57   const bool mHasReturnValue;
  58 };
  59
  60 }  // namespace dom
  61 }  // namespace mozilla
  62
  63 #endif  // mozilla_dom_PrecompiledScript_h