} // func IndexSetExpression
private static Expression InvokeExpression(Scope scope, Token tStart, Expression instance, InvokeResult result, ArgumentsList arguments, bool lParse)
{
MethodInfo mi;
ConstantExpression constInstance = instance as ConstantExpression;
LuaType t;
if (constInstance != null && (t = constInstance.Value as LuaType) != null && t.Type != null) // we have a type, bind the ctor
{
var type = t.Type;
var typeInfo = type.GetTypeInfo();
var ci =
typeInfo.IsValueType && arguments.Count == 0 ?
null :
LuaEmit.FindMember(typeInfo.DeclaredConstructors.Where(c => c.IsPublic), arguments.CallInfo, arguments.Expressions, getExpressionTypeFunction, false);
if (ci == null && !typeInfo.IsValueType)
{
throw ParseError(tStart, String.Format(Properties.Resources.rsMemberNotResolved, type.Name, "ctor"));
}
return(SafeExpression(() => LuaEmit.BindParameter(scope.Runtime,
args => ci == null ? Expression.New(type) : Expression.New(ci, args),
ci == null ? new ParameterInfo[0] : ci.GetParameters(),
arguments.CallInfo,
arguments.Expressions,
getExpressionFunction, getExpressionTypeFunction, true), tStart));
}
else if (LuaEmit.IsDynamicType(instance.Type))
{
// fallback is a dynamic call
return(EnsureInvokeResult(scope, tStart,
DynamicExpression.Dynamic(scope.Runtime.GetInvokeBinder(arguments.CallInfo),
typeof(object),
new Expression[] { ConvertExpression(scope.Runtime, tStart, instance, typeof(object)) }.Concat(
from c in arguments.Expressions select Lua.EnsureType(c, typeof(object))
)
),
result, instance, null
));
}
else if (typeof(Delegate).GetTypeInfo().IsAssignableFrom(instance.Type.GetTypeInfo()) && // test if the type is assignable from delegate
(mi = instance.Type.GetRuntimeMethods().Where(c => !c.IsStatic && c.IsPublic && c.Name == "Invoke").FirstOrDefault()) != null) // Search the Invoke method for the arguments
{
return(EnsureInvokeResult(scope, tStart,
SafeExpression(() => LuaEmit.BindParameter <Expression>(
scope.Runtime,
args => Expression.Invoke(instance, args),
mi.GetParameters(),
arguments.CallInfo,
arguments.Expressions,
getExpressionFunction, getExpressionTypeFunction, true), tStart),
result, instance, null
));
}
else
{
throw ParseError(tStart, LuaEmitException.GetMessageText(LuaEmitException.InvokeNoDelegate, instance.Type.Name));
}
} // func InvokeExpression
