js/src/frontend/ScriptIndex.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef frontend_ScriptIndex_h
   8 #define frontend_ScriptIndex_h
   9
  10 #include <utility>
  11
  12 #include "frontend/TypedIndex.h"  // TypedIndex
  13 #include "js/GCPolicyAPI.h"       // JS::GCPolicy, JS::IgnoreGCPolicy
  14
  15 namespace js {
  16 namespace frontend {
  17
  18 class ScriptStencil;
  19
  20 using ScriptIndex = TypedIndex<ScriptStencil>;
  21
  22 // Represents a range for scripts [start, limit).
  23 struct ScriptIndexRange {
  24   ScriptIndex start;
  25   ScriptIndex limit;
  26
  27   ScriptIndexRange(ScriptIndex start, ScriptIndex limit)
  28       : start(start), limit(limit) {
  29     MOZ_ASSERT(start < limit);
  30   }
  31 };
  32
  33 } /* namespace frontend */
  34 } /* namespace js */
  35
  36 namespace JS {
  37 template <>
  38 struct GCPolicy<js::frontend::ScriptIndexRange>
  39     : public IgnoreGCPolicy<js::frontend::ScriptIndexRange> {};
  40 }  // namespace JS
  41
  42 #endif /* frontend_ScriptIndex_h */