mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
9150c20818
The first header was used to include the SpiderMonkey JS API at once, with safeguards and preprocessor defines. Nowadays, SpiderMonkey provides modular headers allowing us to include what we use, refs #8086. Some defines have to be moved to compiler options but it is apparently a mistake from the SM developers: https://bugzilla.mozilla.org/show_bug.cgi?id=1987876
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/* Copyright (C) 2025 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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#ifndef INCLUDED_SCRIPTENGINE
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#define INCLUDED_SCRIPTENGINE
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#include "lib/debug.h"
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#include "ps/Singleton.h"
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#include <js/Initialization.h>
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#include <list>
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#if MOZJS_MAJOR_VERSION != 128
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#error Your compiler is trying to use an incorrect major version of the \
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SpiderMonkey library. The SpiderMonkey API is subject to changes, and the \
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game will not build with the selected version of the library. Make sure \
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you have got all the right files and include paths.
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#endif
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struct JSContext;
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/**
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* A class using the RAII (Resource Acquisition Is Initialization) idiom to manage initialization
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* and shutdown of the SpiderMonkey script engine. It also keeps a count of active script contexts
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* in order to validate the following constraints:
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* 1. JS_Init must be called before any ScriptContexts are initialized
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* 2. JS_Shutdown must be called after all ScriptContexts have been destroyed
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*/
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class ScriptEngine : public Singleton<ScriptEngine>
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{
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public:
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ScriptEngine()
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{
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ENSURE(m_Contexts.empty() && "JS_Init must be called before any contexts are created!");
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JS_Init();
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}
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~ScriptEngine()
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{
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ENSURE(m_Contexts.empty() && "All contexts must be destroyed before calling JS_ShutDown!");
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JS_ShutDown();
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}
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void RegisterContext(const JSContext* cx) { m_Contexts.push_back(cx); }
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void UnRegisterContext(const JSContext* cx) { m_Contexts.remove(cx); }
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private:
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std::list<const JSContext*> m_Contexts;
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};
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#endif // INCLUDED_SCRIPTENGINE
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