public static object ExecuteDynamicObjectMethod(
IScriptCallContext context,
IDynamicStepBroObject instance,
string name,
object[] arguments)
{
try
{
if (context != null && context.LoggingEnabled)
{
context.Log($"Calling dynamic method \"{name}\".");
}
return(instance.TryInvokeMethod(name, arguments));
}
catch (DynamicMethodNotFoundException)
{
if (context != null)
{
context.ReportError(
$"Method named '{name}' was not found on the object of type '{instance.GetType().Name}'.",
new DynamicMethodNotFoundError());
}
throw;
}
catch (Exception ex)
{
if (context != null)
{
context.ReportError(
$"Exception executing method '{name}' on the object of type '{instance.GetType().Name}'.",
exception: ex);
}
throw;
}
}
public static IProcedureReference <T> GetPartnerReference <T>(
IScriptCallContext context, IFileElement element, string partnerName)
{
Type t = typeof(T);
var e = element;
while (e != null)
{
var partner = e.ListPartners().FirstOrDefault(p => p.Name.Equals(partnerName, StringComparison.InvariantCulture));
if (partner != null)
{
System.Diagnostics.Debug.WriteLine("Expected type: " + typeof(T).FullName);
System.Diagnostics.Debug.WriteLine("Found type: " + partner.ProcedureReference.ProcedureReference.GetType().GetGenericArguments()[0].FullName);
if (partner.ProcedureReference.ProcedureReference is IProcedureReference <T> )
{
return(partner.ProcedureReference.ProcedureReference as IProcedureReference <T>);
}
else
{
context.ReportError("The partner procedure is not the expected type.");
return(null);
}
}
e = e.BaseElement;
}
context.ReportError($"The element \"{element.FullName}\" has no partner named \"{partnerName}\".");
return(null);
}
public static IProcedureReference GetProcedure(IScriptCallContext context, int fileID, int procedureID)
{
IProcedureReference procedure = null;
if (fileID < 0)
{
procedure = ((ScriptFile)context.Self.ParentFile).GetProcedure(procedureID);
if (procedure == null)
{
if (context != null)
{
context.ReportError(String.Format("INTERNAL ERROR: Could not find procedure with id = {0}.", procedureID));
}
else
{
throw new NotImplementedException();
}
}
}
else
{
ScriptFile file = context.LoadedFiles.ListFiles <ScriptFile>().FirstOrDefault(f => f.UniqueID == fileID);
if (file == null)
{
if (context != null)
{
context.ReportError(String.Format("INTERNAL ERROR: Could not find script file with id = {0}.", fileID));
}
else
{
throw new NotImplementedException();
}
}
else
{
procedure = file.GetProcedure(procedureID);
if (procedure == null)
{
if (context != null)
{
context.ReportError(String.Format("INTERNAL ERROR: Could not find procedure with id = {0}.", procedureID));
}
else
{
throw new NotImplementedException();
}
}
}
}
return(procedure);
}
public static IAsyncResult <object> ExecuteDynamicAsyncObjectMethod(
IScriptCallContext context,
IDynamicAsyncStepBroObject instance,
string name,
object[] arguments)
{
try
{
var result = instance.TryInvokeMethod(name, arguments);
if (result != null)
{
if (context != null && context.LoggingEnabled)
{
context.Log($"Called method \"{name}\" on object of type '{instance.GetType().Name}'.");
}
}
else
{
if (context != null && context.LoggingEnabled)
{
context.Log($"Null value returned from method \"{name}\" on object of type '{instance.GetType().Name}'.");
}
}
return(result);
}
catch (DynamicMethodNotFoundException)
{
if (context != null)
{
context.ReportError(
$"Method named '{name}' was not found on the object of type '{instance.GetType().Name}'.",
new DynamicMethodNotFoundError());
}
throw;
}
catch (Exception ex)
{
if (context != null)
{
context.ReportError(
$"Exception executing method '{name}' on the object of type '{instance.GetType().Name}'.",
exception: ex);
}
throw;
}
}
public static T AwaitAsyncToTyped <T>(IScriptCallContext context, Tasks.IAsyncResult <object> result)
{
if (result != null && !result.IsCompleted)
{
if (!result.AsyncWaitHandle.WaitOne(20000)) // TODO: Register this "task" and replace with loop that waits a short while.
{
throw new TimeoutException($"Timeout waiting for asynchronous result in line {context.CurrentScriptFileLine}.");
}
}
if (result.IsFaulted)
{
if (result is IObjectFaultDescriptor)
{
context.ReportError("Async operation failed. Fault: " + ((IObjectFaultDescriptor)result).FaultDescription);
}
else
{
context.ReportError("Async operation failed.");
}
return(default(T));
}
else
{
object v = result?.Result;
if (v != null)
{
var valueType = v.GetType();
if (typeof(T).IsAssignableFrom(valueType))
{
return((T)v);
}
else if (valueType == typeof(string))
{
try
{
object value = Convert.ChangeType(v, typeof(T));
return((T)value);
}
catch { }
}
throw new InvalidCastException($"The async result value type is \"{v.GetType().TypeName()}\", and cannot be converted into a \"{typeof(T).TypeName()}\".");
}
}
return(default(T));
}
public static IFileElement GetFileElement(IScriptCallContext context, int id)
{
var element = ((ScriptFile)context.Self.ParentFile).GetFileElement(id);
if (element == null)
{
context.ReportError(String.Format("INTERNAL ERROR: Could not find procedure with id = {0}.", id));
}
return(element);
}
public static IProcedureReference <T> CastToSpecificProcedureType <T>(IScriptCallContext context, IProcedureReference reference)
{
if (reference is IProcedureReference <T> )
{
return((IProcedureReference <T>)reference);
}
else
{
context.ReportError("The procedure reference is not the expected type. Type: " + reference.GetType().Name);
return(null);
}
}
public static object DynamicProcedureCall(
this IProcedureReference procedure,
IScriptCallContext context,
PropertyBlock propertyBlock,
object[] sequencialFirstArguments,
ArgumentList namedArguments,
object[] sequencialLastArguments)
{
if (procedure == null)
{
throw new ArgumentNullException("procedure");
}
IScriptCallContext subContext = null;
try
{
subContext = context.EnterNewScriptContext(procedure, Logging.ContextLogOption.Normal, true);
var methodInfo = ((FileProcedure)procedure.ProcedureData).DelegateType.GetMethod("Invoke");
var arguments = new List <object>();
int i = 0;
foreach (var p in methodInfo.GetParameters())
{
if (i == 0)
{
arguments.Add(subContext);
}
i++;
}
Delegate runtimeProcedure = ((FileProcedure)procedure.ProcedureData).RuntimeProcedure;
return(runtimeProcedure.DynamicInvoke(arguments.ToArray()));
}
catch (Exception ex)
{
context.ReportError("Exception in dynamic procedure call.", exception: ex);
return(null);
}
finally
{
subContext.InternalDispose();
}
}
/// <summary>
/// Executes the evaluation of an expect statement.
/// </summary>
/// <param name="context">Execution call context.</param>
/// <param name="evaluation">The expect statement evaluation code.</param>
/// <param name="negativeVerdict">The verdict for negative evaluation result.</param>
/// <param name="title">The expect statement title.</param>
/// <param name="expected">String representation of the expectation.</param>
/// <returns>Whether the procedure should skip the rest and return immediately.</returns>
public static bool ExpectStatement(
IScriptCallContext context,
ExpectStatementEvaluationDelegate evaluation,
Verdict negativeVerdict,
string title,
string expected)
{
bool success;
try
{
string actual;
success = evaluation(context, out actual);
context.ReportExpectResult(title, expected, actual, success ? Verdict.Pass : negativeVerdict);
if (success)
{
return(false);
}
else if (negativeVerdict == Verdict.Error)
{
return(true);
}
else
{
return((context.Self.Flags & ProcedureFlags.ContinueOnFail) == ProcedureFlags.None);
}
}
catch (Exception ex)
{
if (context != null)
{
context.ReportError($"Exception thrown during expect statement execution.", exception: ex);
}
else
{
throw;
}
return(true); // Do exit the procedure
}
}
public static IValueContainer <T> GetGlobalVariable <T>(IScriptCallContext context, int id)
{
if (context == null)
{
foreach (var file in ServiceManager.Global.Get <ILoadedFilesManager>().ListFiles <ScriptFile>())
{
var container = file.TryGetVariableContainer <T>(id);
if (container != null)
{
return(container);
}
}
}
else
{
var container = ((StepBro.Core.ScriptData.ScriptFile)context.Self.ParentFile).TryGetVariableContainer <T>(id);
if (container != null)
{
return(container);
}
}
context.ReportError(String.Format("INTERNAL ERROR: Could not find variable container with id = {0}.", id));
return(null);
}