private static QNode ResolveFunction(QNode qs_function)
{
var cs_name = qs_function.P_("cs", "name", "*").AsString();
var assemblyName = qs_function.P_("cs", "assembly", "*").AsString();
QNode q_method = null;
QNode error = null;
if (cs_name != null && assemblyName != null)
{
try
{
var index = cs_name.LastIndexOf('.');
if (index < 0)
{
throw new Exception($"Invalid name: '{cs_name}'");
}
var argCount = qs_function.P_s("arg", "*").Count();
//var fullName = $"{cs_name.Substring(0, index)}, {assemblyName}";
var fullName = cs_name.Substring(0, index);
var type = Type.GetType(fullName);
if (type == null)
{
throw new Exception($"Не найден тип '{fullName}'");
}
var methodName = cs_name.Substring(index + 1);
var methods = type.GetMethods(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public)
.Where(_method => _method.Name == methodName)
.Where(_method => _method.GetParameters().Length == argCount)
.ToArray();
var method = methods.FirstOrDefault();
var argType = qs_function.P_("arg", 0, "cs-type", "*").AsString();
if (argType != null)
{
var argCsType = Type.GetType(argType);
method = methods.FirstOrDefault(_method => _method.GetParameters().FirstOrDefault()?.ParameterType == argCsType) ?? method;
}
if (method == null)
{
throw new Exception($"Не найден метод '{methodName}' в типе '{fullName}'");
}
q_method = q.Q("method", method);
}
catch (Exception exc)
{
error = q.Q("error", exc.ToDisplayMessage());
}
}
if (q_method != null)
{
qs_function = qs_function.To_s().W_s(new object[] { "cs", q.Q("method", "+") }, q_method).FirstOrDefault();
}
if (error != null)
{
qs_function = qs_function.To_s().W_s(new object[] { "cs", q.Q("error", "+") }, error).FirstOrDefault();
}
return(qs_function);
}
public static QNode Normalizator5_Lift(QNode typedNode, Func <QNode, QNode> normalize)
{
var s = typedNode.AsString();
switch (s)
{
case "eq":
case "and":
case "sum":
case "min":
case "max":
case "count":
case "is?":
case "take":
{
var interTypes = typedNode.P_s(0, "inter-type", "*").OrEmpty().Select(interType => interType.AsString()).ToArray();
var childs = typedNode.Nodes().Skip(1)
.Select((child, i) =>
{
var interType = interTypes.ElementAtOrDefault(i) ?? interTypes.FirstOrDefault();
var type = child.P_(0, "type", "*").AsString();
return(new { child, nchild = Lift(interType, type, normalize(child) ?? child) });
});
if (childs.Any(pair => pair.child != pair.nchild))
{
return(q.Q(typedNode.RawValue(), typedNode.C(0), childs.Select(pair => pair.nchild)));
}
}
break;
//case "::query":
// {
// var childs = typedNode.Nodes.Skip(1);
// var prev = childs.FirstOrDefault();
// List<QNode> nchilds = null;
// foreach (var pair in childs.Select((c, i) => new { child = c, i }))
// {
// var child = pair.child;
// var sourceType = prev.P_(0, "type", "*").AsString();
// var targetType = child.AsString() == "take" ? "int-s" : null;
// var nchild = Lift(targetType, sourceType, normalize(prev));
// if (nchild != child && childs == null)
// {
// nchilds = new List<QNode>(typedNode.Nodes.Take(pair.i + 1));
// }
// if (nchilds != null)
// nchilds.Add(nchild);
// }
// if (nchilds != null)
// return q.Q(typedNode.Value, nchilds);
// }
// break;
}
return(typedNode);
}
static HElement View(QNode node, IDictionary <Guid, QCalculator.Function> functionIndex)
{
var functionId = ConvertHlp.ToGuid(node.C(0).P_("function-id", "*").AsString());
var f = functionId.Maybe(_ => functionIndex.Find(functionId.Value));
return(h.Div
(
h.@class("q"),
h.Span(h.@class("q-type"), $" ({TypeToString(node.C(0).P("type").QValue().FirstOrDefault())}) "),
h.Span(node.RawValue()),
h.Span(h.@class("q-inter-type"), $" ({node.P_s(0, "inter-type", "*").Select(interType => TypeToString(interType)).JoinToString(", ")}) "),
functionId.Maybe(_ => h.A(h.style("font-size:75%"), h.href($"#f-{_}"), "f-" + f?.Index, h.title(FunctionFullName(f.RawDescription)))),
node.Nodes().OrEmpty().Skip(1).Select(n => View(n, functionIndex))
));
}
static string FunctionFullName(QNode fdesc)
{
var args = fdesc.P_s("arg", "*").Select(arg => arg.P_("type", "*").AsString()).JoinToString(",");
return($"{fdesc.P_("name", "*").AsString()}({args}) -> {fdesc.P_("result", "type", "*").AsString()}");
}
