internal static PSReference GetVariableAsRef(VariablePath variablePath, ExecutionContext executionContext, Type staticType)
{
Diagnostics.Assert(variablePath.IsVariable, "calller to verify varpath is a variable.");
SessionStateInternal sessionState = executionContext.EngineSessionState;
CommandOrigin origin = sessionState.CurrentScope.ScopeOrigin;
SessionStateScope scope;
PSVariable var = sessionState.GetVariableItem(variablePath, out scope, origin);
if (var == null)
{
throw InterpreterError.NewInterpreterException(variablePath, typeof(RuntimeException), null,
"NonExistingVariableReference",
ParserStrings.NonExistingVariableReference);
}
object value = var.Value;
if (staticType == null && value != null)
{
value = PSObject.Base(value);
if (value != null)
{
staticType = value.GetType();
}
}
if (staticType == null)
{
var declaredType = var.Attributes.OfType <ArgumentTypeConverterAttribute>().FirstOrDefault();
staticType = declaredType != null ? declaredType.TargetType : typeof(LanguagePrimitives.Null);
}
return(PSReference.CreateInstance(var, staticType));
}
private static PSReference GetVariableAsRef(VariablePath variablePath, ExecutionContext executionContext, Type staticType)
{
SessionStateScope scope;
SessionStateInternal engineSessionState = executionContext.EngineSessionState;
CommandOrigin scopeOrigin = engineSessionState.CurrentScope.ScopeOrigin;
PSVariable variable = engineSessionState.GetVariableItem(variablePath, out scope, scopeOrigin);
if (variable == null)
{
throw InterpreterError.NewInterpreterException(variablePath, typeof(RuntimeException), null, "NonExistingVariableReference", ParserStrings.NonExistingVariableReference, new object[0]);
}
object obj2 = variable.Value;
if ((staticType == null) && (obj2 != null))
{
obj2 = PSObject.Base(obj2);
if (obj2 != null)
{
staticType = obj2.GetType();
}
}
if (staticType == null)
{
ArgumentTypeConverterAttribute attribute = variable.Attributes.OfType <ArgumentTypeConverterAttribute>().FirstOrDefault <ArgumentTypeConverterAttribute>();
staticType = (attribute != null) ? attribute.TargetType : typeof(LanguagePrimitives.Null);
}
return(PSReference.CreateInstance(variable, staticType));
}
