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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MOZ_JS_SCRIPT_ENGINE_HPP_
#define _MOZ_JS_SCRIPT_ENGINE_HPP_
#include <core/script/ScriptEngine.hpp>
#include <core/script/Function.hpp>
#include <core/script/Object.hpp>
/* Forward declarations from header jsapi.h */
// TODO: Implement objects
// TODO: Handle returning function objects or methods (no deep copies!)
// TODO: Handle recursion in return values! (use hash set of visited objects
// while dumping the tree)
class JSRuntime;
class JSContext;
class JSCompartment;
class JSString;
class JSObject;
namespace JS {
class Value;
template <typename T>
class Rooted;
typedef Rooted<JSObject *> RootedObject;
typedef Rooted<Value> RootedValue;
}
namespace ousia {
namespace script {
namespace mozjs {
class MozJsScriptEngineScope;
class MozJsScriptEngineFunction : public Function {
private:
MozJsScriptEngineScope &scope;
JS::RootedValue *fun;
JS::RootedObject *parent;
public:
MozJsScriptEngineFunction(MozJsScriptEngineScope &scope, JS::Value &fun,
JSObject *parent);
~MozJsScriptEngineFunction();
MozJsScriptEngineFunction *clone() const override;
Variant call(const std::vector<Variant> &args) const override;
};
class MozJsScriptEngineScope : public ScriptEngineScope {
friend MozJsScriptEngineFunction;
private:
JSRuntime *rt;
JSContext *cx;
JSCompartment *oldCompartment;
JS::RootedObject *global;
void handleErr(bool ok = false);
protected:
Variant doRun(const std::string &code) override;
void doSetVariable(const std::string &name, const Variant &var,
bool constant) override;
Variant doGetVariable(const std::string &name) override;
public:
MozJsScriptEngineScope(JSRuntime *rt);
~MozJsScriptEngineScope() override;
/* JS -> Host */
Variant arrayToVariant(JSObject *obj);
Variant objectToVariant(JSObject *obj);
Variant valueToVariant(JS::Value &val, JSObject *parent = nullptr);
std::string toString(JS::Value &val);
std::string toString(JSString *str);
/* Host -> JS */
void variantToValue(const Variant &var, JS::RootedValue &val);
void setObjectProperty(JS::RootedObject &obj, const std::string &name,
const Variant &var, bool constant);
};
class MozJsScriptEngine : public ScriptEngine {
private:
JSRuntime *rt;
public:
MozJsScriptEngine();
~MozJsScriptEngine();
MozJsScriptEngineScope *createScope() override;
};
}
}
}
#endif /* _MOZ_JS_SCRIPT_ENGINE_HPP_ */
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