vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "ps/Profile.h"
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#include "ScriptExceptions.h"
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#include "ScriptInterface.h"
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#include "ScriptRequest.h"
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#include "StructuredClone.h"
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// Ignore warnings in SM headers.
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#if GCC_VERSION || CLANG_VERSION
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wunused-parameter"
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# pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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#elif MSC_VERSION
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# pragma warning(push, 1)
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#endif
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#include "js/StructuredClone.h"
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#if GCC_VERSION || CLANG_VERSION
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# pragma GCC diagnostic pop
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#elif MSC_VERSION
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# pragma warning(pop)
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#endif
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Script::StructuredClone Script::WriteStructuredClone(const ScriptRequest& rq, JS::HandleValue v)
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{
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Script::StructuredClone ret(new JSStructuredCloneData(JS::StructuredCloneScope::SameProcess));
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JS::CloneDataPolicy policy;
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if (!JS_WriteStructuredClone(rq.cx, v, ret.get(), JS::StructuredCloneScope::SameProcess, policy, nullptr, nullptr, JS::UndefinedHandleValue))
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{
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debug_warn(L"Writing a structured clone with JS_WriteStructuredClone failed!");
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ScriptException::CatchPending(rq);
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return StructuredClone();
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}
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return ret;
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}
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void Script::ReadStructuredClone(const ScriptRequest& rq, const Script::StructuredClone& ptr, JS::MutableHandleValue ret)
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{
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JS::CloneDataPolicy policy;
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if (!JS_ReadStructuredClone(rq.cx, *ptr, JS_STRUCTURED_CLONE_VERSION, ptr->scope(), ret, policy, nullptr, nullptr))
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ScriptException::CatchPending(rq);
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}
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JS::Value Script::CloneValueFromOtherCompartment(const ScriptInterface& to, const ScriptInterface& from, JS::HandleValue val)
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{
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PROFILE("CloneValueFromOtherCompartment");
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Script::StructuredClone structuredClone;
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{
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ScriptRequest fromRq(from);
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structuredClone = WriteStructuredClone(fromRq, val);
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}
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ScriptRequest toRq(to);
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JS::RootedValue out(toRq.cx);
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ReadStructuredClone(toRq, structuredClone, &out);
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return out.get();
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}
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JS::Value Script::DeepCopy(const ScriptRequest& rq, JS::HandleValue val)
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{
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JS::RootedValue out(rq.cx);
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ReadStructuredClone(rq, WriteStructuredClone(rq, val), &out);
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return out.get();
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}
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