public override bool TryGetLocationReference(string name, out LocationReference result)
{
if (name == null)
{
LocationReferenceEnvironment parent = base.Parent;
while (parent is ActivityLocationReferenceEnvironment)
{
parent = parent.Parent;
}
if (parent != null)
{
return(parent.TryGetLocationReference(name, out result));
}
}
else
{
if ((this.declarations != null) && this.declarations.TryGetValue(name, out result))
{
return(true);
}
bool flag = false;
LocationReferenceEnvironment environment2 = base.Parent;
while ((environment2 != null) && (environment2 is ActivityLocationReferenceEnvironment))
{
ActivityLocationReferenceEnvironment environment3 = (ActivityLocationReferenceEnvironment)environment2;
if ((environment3.declarations != null) && environment3.declarations.TryGetValue(name, out result))
{
return(true);
}
environment2 = environment2.Parent;
}
if ((!flag && (environment2 != null)) && environment2.TryGetLocationReference(name, out result))
{
return(true);
}
}
result = null;
return(false);
}
public override bool TryGetLocationReference(string name, out LocationReference result)
{
if (name == null)
{
// We don't allow null names in our LocationReferenceEnvironment but
// a custom declared environment might. We need to walk up
// to the root and see if it chains to a
// non-ActivityLocationReferenceEnvironment implementation
LocationReferenceEnvironment currentEnvironment = this.Parent;
while (currentEnvironment is ActivityLocationReferenceEnvironment)
{
currentEnvironment = currentEnvironment.Parent;
}
if (currentEnvironment != null)
{
Fx.Assert(!(currentEnvironment is ActivityLocationReferenceEnvironment), "We must be at a non-ActivityLocationReferenceEnvironment implementation.");
return(currentEnvironment.TryGetLocationReference(name, out result));
}
}
else
{
if (this.declarations != null && this.declarations.TryGetValue(name, out result))
{
return(true);
}
bool found = false;
LocationReferenceEnvironment currentEnvironment = this.Parent;
LocationReferenceEnvironment rootEnvironment = this;
// Loop through all of the ActivityLocationReferenceEnvironments we have chained together
while (currentEnvironment != null && currentEnvironment is ActivityLocationReferenceEnvironment)
{
ActivityLocationReferenceEnvironment activityEnvironment = (ActivityLocationReferenceEnvironment)currentEnvironment;
if (activityEnvironment.declarations != null && activityEnvironment.declarations.TryGetValue(name, out result))
{
return(true);
}
rootEnvironment = currentEnvironment;
currentEnvironment = currentEnvironment.Parent;
}
if (!found)
{
if (currentEnvironment != null)
{
// Looks like we have a non-ActivityLocationReferenceEnvironment at the root
Fx.Assert(!(currentEnvironment is ActivityLocationReferenceEnvironment), "We should have some other host environment at this point.");
if (currentEnvironment.TryGetLocationReference(name, out result))
{
return(true);
}
}
}
}
result = null;
return(false);
}
