public async Task <JObject> Resolve(InvocationExpressionSyntax method, Dictionary <string, JObject> memberAccessValues, CancellationToken token)
{
var methodName = "";
int isTryingLinq = 0;
try
{
JObject rootObject = null;
var expr = method.Expression;
if (expr is MemberAccessExpressionSyntax)
{
var memberAccessExpressionSyntax = expr as MemberAccessExpressionSyntax;
rootObject = await Resolve(memberAccessExpressionSyntax.Expression.ToString(), token);
methodName = memberAccessExpressionSyntax.Name.ToString();
}
else if (expr is IdentifierNameSyntax)
{
if (scopeCache.ObjectFields.TryGetValue("this", out JObject valueRet))
{
rootObject = await GetValueFromObject(valueRet, token);
methodName = expr.ToString();
}
}
if (rootObject != null)
{
DotnetObjectId.TryParse(rootObject?["objectId"]?.Value <string>(), out DotnetObjectId objectId);
var typeIds = await sdbHelper.GetTypeIdFromObject(sessionId, int.Parse(objectId.Value), true, token);
int methodId = await sdbHelper.GetMethodIdByName(sessionId, typeIds[0], methodName, token);
var className = await sdbHelper.GetTypeNameOriginal(sessionId, typeIds[0], token);
if (methodId == 0) //try to search on System.Linq.Enumerable
{
if (linqTypeId == -1)
{
linqTypeId = await sdbHelper.GetTypeByName(sessionId, "System.Linq.Enumerable", token);
}
methodId = await sdbHelper.GetMethodIdByName(sessionId, linqTypeId, methodName, token);
if (methodId != 0)
{
foreach (var typeId in typeIds)
{
var genericTypeArgs = await sdbHelper.GetTypeParamsOrArgsForGenericType(sessionId, typeId, token);
if (genericTypeArgs.Count > 0)
{
isTryingLinq = 1;
methodId = await sdbHelper.MakeGenericMethod(sessionId, methodId, genericTypeArgs, token);
break;
}
}
}
}
if (methodId == 0)
{
var typeName = await sdbHelper.GetTypeName(sessionId, typeIds[0], token);
throw new Exception($"Method '{methodName}' not found in type '{typeName}'");
}
var commandParamsObj = new MemoryStream();
var commandParamsObjWriter = new MonoBinaryWriter(commandParamsObj);
if (isTryingLinq == 0)
{
commandParamsObjWriter.WriteObj(objectId, sdbHelper);
}
if (method.ArgumentList != null)
{
commandParamsObjWriter.Write((int)method.ArgumentList.Arguments.Count + isTryingLinq);
if (isTryingLinq == 1)
{
commandParamsObjWriter.WriteObj(objectId, sdbHelper);
}
foreach (var arg in method.ArgumentList.Arguments)
{
if (arg.Expression is LiteralExpressionSyntax)
{
if (!await commandParamsObjWriter.WriteConst(sessionId, arg.Expression as LiteralExpressionSyntax, sdbHelper, token))
{
return(null);
}
}
if (arg.Expression is IdentifierNameSyntax)
{
var argParm = arg.Expression as IdentifierNameSyntax;
if (!await commandParamsObjWriter.WriteJsonValue(sessionId, memberAccessValues[argParm.Identifier.Text], sdbHelper, token))
{
return(null);
}
}
}
var retMethod = await sdbHelper.InvokeMethod(sessionId, commandParamsObj.ToArray(), methodId, "methodRet", token);
return(await GetValueFromObject(retMethod, token));
}
}
return(null);
}
catch (Exception)
{
throw new Exception($"Unable to evaluate method '{methodName}'");
}
}
public async Task <JObject> Resolve(ElementAccessExpressionSyntax elementAccess, Dictionary <string, JObject> memberAccessValues, JObject indexObject, CancellationToken token)
{
try
{
JObject rootObject = null;
string elementAccessStrExpression = elementAccess.Expression.ToString();
rootObject = await Resolve(elementAccessStrExpression, token);
if (rootObject == null)
{
rootObject = indexObject;
indexObject = null;
}
if (rootObject != null)
{
string elementIdxStr;
int elementIdx = 0;
// x[1] or x[a] or x[a.b]
if (indexObject == null)
{
if (elementAccess.ArgumentList != null)
{
var commandParamsObj = new MemoryStream();
var commandParamsObjWriter = new MonoBinaryWriter(commandParamsObj);
foreach (var arg in elementAccess.ArgumentList.Arguments)
{
// e.g. x[1]
if (arg.Expression is LiteralExpressionSyntax)
{
var argParm = arg.Expression as LiteralExpressionSyntax;
elementIdxStr = argParm.ToString();
int.TryParse(elementIdxStr, out elementIdx);
}
// e.g. x[a] or x[a.b]
if (arg.Expression is IdentifierNameSyntax)
{
var argParm = arg.Expression as IdentifierNameSyntax;
// x[a.b]
memberAccessValues.TryGetValue(argParm.Identifier.Text, out indexObject);
// x[a]
if (indexObject == null)
{
indexObject = await Resolve(argParm.Identifier.Text, token);
}
elementIdxStr = indexObject["value"].ToString();
int.TryParse(elementIdxStr, out elementIdx);
}
}
}
}
// e.g. x[a[0]], x[a[b[1]]] etc.
else
{
elementIdxStr = indexObject["value"].ToString();
int.TryParse(elementIdxStr, out elementIdx);
}
if (elementIdx >= 0)
{
DotnetObjectId.TryParse(rootObject?["objectId"]?.Value <string>(), out DotnetObjectId objectId);
switch (objectId.Scheme)
{
case "array":
rootObject["value"] = await sdbHelper.GetArrayValues(sessionId, int.Parse(objectId.Value), token);
return((JObject)rootObject["value"][elementIdx]["value"]);
case "object":
var typeIds = await sdbHelper.GetTypeIdFromObject(sessionId, int.Parse(objectId.Value), true, token);
int methodId = await sdbHelper.GetMethodIdByName(sessionId, typeIds[0], "ToArray", token);
var commandParamsObj = new MemoryStream();
var commandParamsObjWriter = new MonoBinaryWriter(commandParamsObj);
commandParamsObjWriter.WriteObj(objectId, sdbHelper);
var toArrayRetMethod = await sdbHelper.InvokeMethod(sessionId, commandParamsObj.ToArray(), methodId, elementAccess.Expression.ToString(), token);
rootObject = await GetValueFromObject(toArrayRetMethod, token);
DotnetObjectId.TryParse(rootObject?["objectId"]?.Value <string>(), out DotnetObjectId arrayObjectId);
rootObject["value"] = await sdbHelper.GetArrayValues(sessionId, int.Parse(arrayObjectId.Value), token);
return((JObject)rootObject["value"][elementIdx]["value"]);
default:
throw new InvalidOperationException($"Cannot apply indexing with [] to an expression of type '{objectId.Scheme}'");
}
}
}
return(null);
}
catch (Exception ex)
{
var e = ex;
throw new Exception($"Unable to evaluate method '{elementAccess}'");
}
}