} // func InvokeExpression
private static Expression InvokeMemberExpression(Scope scope, Token tStart, Expression instance, string memberName, InvokeResult result, ArgumentsList arguments)
{
if (LuaEmit.IsDynamicType(instance.Type) || arguments.Expressions.Any(c => LuaEmit.IsDynamicType(c.Type)))
{
var dynamicArguments = new Expression[arguments.Count + 1];
// first argument is the instance
dynamicArguments[0] = ConvertObjectExpression(scope.Runtime, tStart, instance, false);
if (arguments.Count > 0)
{
// single object
for (var i = 0; i < arguments.Count - 1; i++)
{
dynamicArguments[i + 1] = ConvertObjectExpression(scope.Runtime, tStart, arguments.Expressions[i], false);
}
// last argument is different
if (arguments.CallInfo.ArgumentNames.Count > 0)
{
dynamicArguments[dynamicArguments.Length - 1] = ConvertObjectExpression(scope.Runtime, tStart, arguments.Expressions[arguments.Count - 1], false);
}
else
{
dynamicArguments[dynamicArguments.Length - 1] = Lua.EnsureType(arguments.Expressions[arguments.Count - 1], typeof(object));
}
}
return(EnsureInvokeResult(scope, tStart,
DynamicExpression.Dynamic(scope.Runtime.GetInvokeMemberBinder(memberName, arguments.CallInfo), typeof(object), dynamicArguments),
result, instance, memberName
));
}
else
{
return(EnsureInvokeResult(scope, tStart,
SafeExpression(() =>
{
Expression expr;
if (!LuaEmit.TryInvokeMember <Expression>(scope.Runtime, LuaType.GetType(instance.Type), instance, arguments.CallInfo, arguments.Expressions, memberName, false, e => e, e => e.Type, true, out expr))
{
throw new LuaEmitException(LuaEmitException.MemberNotFound, instance.Type, memberName);
}
return expr;
}, tStart), result, instance, memberName
));
}
} // func InvokeMemberExpression
} // func FallbackInvoke
public override DynamicMetaObject FallbackInvokeMember(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
// defer target and all arguments
if (!target.HasValue || args.Any(c => !c.HasValue))
{
return(Defer(target, args));
}
if (target.Value == null)
{
return(errorSuggestion ??
new DynamicMetaObject(
ThrowExpression(Resources.rsNilNotCallable, ReturnType),
target.Restrictions.Merge(BindingRestrictions.GetInstanceRestriction(target.Expression, null))
));
}
else
{
try
{
var luaType = LuaType.GetType(target.LimitType);
Expression expr;
if (LuaEmit.TryInvokeMember <DynamicMetaObject>(lua, luaType, target, CallInfo, args, Name, IgnoreCase, mo => mo.Expression, mo => mo.LimitType, false, out expr))
{
return(new DynamicMetaObject(Lua.EnsureType(expr, ReturnType), GetMethodSignatureRestriction(target, args)));
}
else
{
return(errorSuggestion ??
new DynamicMetaObject
(ThrowExpression(String.Format(Resources.rsMemberNotResolved, luaType.FullName, Name), ReturnType),
GetMethodSignatureRestriction(target, args)
));
}
}
catch (LuaEmitException e)
{
return(errorSuggestion ??
new DynamicMetaObject(ThrowExpression(e.Message, ReturnType), GetMethodSignatureRestriction(target, args)));
}
}
} // func FallbackInvokeMember
