/// <summary>
/// Creates a wrapper from a method entity.
/// </summary>
private MethodWrapper WrapMethod(MethodEntity method, bool isPartial = false)
{
return(new MethodWrapper
{
Name = method.Name,
Type = method.ContainerType.TypeInfo,
IsStatic = method.IsStatic,
IsVirtual = method.IsVirtual,
IsPartiallyApplied = isPartial,
IsVariadic = method.IsVariadic,
MethodInfo = method.MethodInfo,
ArgumentTypes = method.GetArgumentTypes(this),
ReturnType = method.ReturnType
});
}
protected override Type ResolveInternal(Context ctx, bool mustReturn)
{
if (Identifier == "_")
{
Error(CompilerMessages.UnderscoreNameUsed);
}
// local variable
var local = Local ?? ctx.Scope.FindLocal(Identifier);
if (local != null)
{
// only local constants are cached
// because mutable variables could be closured later on
if (local.IsConstant && local.IsImmutable && ctx.Options.UnrollConstants)
{
_localConstant = local;
}
return(local.Type);
}
// static function declared in the script
try
{
var methods = ctx.MainType.ResolveMethodGroup(Identifier);
if (methods.Length > 1)
{
Error(CompilerMessages.FunctionInvocationAmbiguous, Identifier);
}
_method = methods[0];
return(FunctionalHelper.CreateFuncType(_method.ReturnType, _method.GetArgumentTypes(ctx)));
}
catch (KeyNotFoundException)
{
}
// algebraic type without a constructor
var type = ctx.FindType(Identifier);
if (type != null && type.Kind == TypeEntityKind.TypeLabel)
{
try
{
type.ResolveConstructor(new Type[0]);
_type = type;
return(_type.TypeInfo);
}
catch (KeyNotFoundException)
{
}
}
// global property
try
{
_property = ctx.ResolveGlobalProperty(Identifier);
return(_property.PropertyType);
}
catch (KeyNotFoundException)
{
Error(CompilerMessages.IdentifierNotFound, Identifier);
}
return(typeof(UnitType));
}