public JurassicJsEngine(object global)
{
_typeConverter = new ClrTypeConverter(new ScriptEngine(), () => _global);
if (global != null)
{
_global = global;
Engine.Global.DefineProperties(_typeConverter, global.GetType(), global);
foreach (var method in _global.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance))
{
var ctor = method.GetCustomAttribute<JsCtorAttribute>();
if(ctor == null)
continue;
var paramConverter = ClrTypeConverter.GetParamsConverter(_typeConverter, method.GetParameters());
var prototype = _typeConverter.GetPrototype(method.ReturnType);
var jsCtor = new ClrCtor(_typeConverter, method.ReturnType, prototype, ctor.Name, args =>
{
var clrArgs = paramConverter(Engine.Global, args);
return method.Invoke(global, clrArgs);
});
_typeConverter.Engine.SetGlobalValue(ctor.Name, jsCtor);
}
}
}
public void AddGlobalType(Type type)
{
var jsTypeName = type.GetCustomAttribute<JsNameAttribute>()?.Name ?? type.Name;
var prototype = _typeConverter.GetPrototype(type);
var ctors = type.GetConstructors(BindingFlags.Public | BindingFlags.Instance).OrderByDescending(x => x.GetParameters().Length).ToArray();
if (ctors.Length > 0)
{
var jsCtor = new ClrCtor(_typeConverter, type, prototype,jsTypeName, args =>
{
var ctor = ctors.FirstOrDefault(x => x.GetParameters().IsAppropriate(args));
if(ctor == null)
throw new Exception("Appropriate constructor not found.");
var ctorParameters = ctor.GetParameters();
var clrArgs = _typeConverter.ConvertParametersToClr(ctorParameters, null, args);
return ctor.Invoke(clrArgs);
});
_typeConverter.Engine.SetGlobalValue(jsTypeName, jsCtor);
}
else
{
//todo: fix error
var jsCtor = new ClrCtor(_typeConverter, type, prototype,jsTypeName, _ => throw new Exception("Error"));
_typeConverter.Engine.SetGlobalValue(jsTypeName, jsCtor);
}
}
public void AddGlobalType(Type type, string jsTypeName, Type[] argumentsTypes, Func<object[], object> func)
{
var prototype = _typeConverter.GetPrototype(type);
var jsCtor = new ClrCtor(_typeConverter, type, prototype, jsTypeName, args =>
{
var clrArgs = _typeConverter.ConvertParametersToClr(argumentsTypes, null, args);
return func(clrArgs);
});
_typeConverter.Engine.SetGlobalValue(jsTypeName, jsCtor);
}
