0ad/source/scriptinterface/ScriptEngine.h
bb 157c6af18e Make the space in 0 A.D. non-breaking throughout the codebase.
Avoid cases of filenames
Update years in terms and other legal(ish) documents
Don't update years in license headers, since change is not meaningful

Will add linter rule in seperate commit

Happy recompiling everyone!

Original Patch By: Nescio
Comment By: Gallaecio
Differential Revision: D2620
This was SVN commit r27786.
2023-07-27 20:54:46 +00:00

58 lines
1.8 KiB
C++
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/* Copyright (C) 2020 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_SCRIPTENGINE
#define INCLUDED_SCRIPTENGINE
#include "ScriptTypes.h"
#include "ps/Singleton.h"
#include "js/Initialization.h"
#include <list>
/**
* A class using the RAII (Resource Acquisition Is Initialization) idiom to manage initialization
* and shutdown of the SpiderMonkey script engine. It also keeps a count of active script contexts
* in order to validate the following constraints:
* 1. JS_Init must be called before any ScriptContexts are initialized
* 2. JS_Shutdown must be called after all ScriptContexts have been destroyed
*/
class ScriptEngine : public Singleton<ScriptEngine>
{
public:
ScriptEngine()
{
ENSURE(m_Contexts.empty() && "JS_Init must be called before any contexts are created!");
JS_Init();
}
~ScriptEngine()
{
ENSURE(m_Contexts.empty() && "All contexts must be destroyed before calling JS_ShutDown!");
JS_ShutDown();
}
void RegisterContext(const JSContext* cx) { m_Contexts.push_back(cx); }
void UnRegisterContext(const JSContext* cx) { m_Contexts.remove(cx); }
private:
std::list<const JSContext*> m_Contexts;
};
#endif // INCLUDED_SCRIPTENGINE