private bool Fix(IGenericParameter genericParameter, InferredType inferredType)
{
if (inferredType.Fix())
{
Context.TraceVerbose("Generic parameter {0} fixed to {1}.", genericParameter.Name, inferredType.ResultingType);
return(true);
}
return(false);
}
private bool FixAll(Predicate <InferredType> predicate)
{
bool wasFixed = false;
foreach (KeyValuePair <IGenericParameter, InferredType> kvp in InferredTypes)
{
IGenericParameter gp = kvp.Key;
InferredType inferredType = kvp.Value;
if (!inferredType.Fixed && predicate(inferredType))
{
wasFixed |= Fix(gp, inferredType);
}
}
return(wasFixed);
}
protected virtual bool InferGenericParameter(IGenericParameter formalType, IType actualType, TypeInference inference)
{
if (InferredTypes.ContainsKey(formalType))
{
InferredType inferredType = InferredTypes[formalType];
if ((inference & TypeInference.AllowContravariance) != TypeInference.AllowContravariance)
{
inferredType.ApplyLowerBound(actualType);
}
if ((inference & TypeInference.AllowCovariance) != TypeInference.AllowCovariance)
{
inferredType.ApplyUpperBound(actualType);
}
}
return(true);
}
private bool HasDependantsAndBounds(InferredType inferredType)
{
return(inferredType.HasDependants && inferredType.HasBounds);
}
private bool HasNoDependencies(InferredType inferredType)
{
return(!inferredType.HasDependencies);
}
private bool HasDependantsAndBounds(InferredType inferredType)
{
return inferredType.HasDependants && inferredType.HasBounds;
}
private bool HasNoDependencies(InferredType inferredType)
{
return !inferredType.HasDependencies;
}
private bool Fix(IGenericParameter genericParameter, InferredType inferredType)
{
if (inferredType.Fix())
{
Context.TraceVerbose("Generic parameter {0} fixed to {1}.", genericParameter.Name, inferredType.ResultingType);
return true;
}
return false;
}
public void RemoveDependencyOn(InferredType dependee)
{
_dependencies.Remove(dependee);
dependee._dependants.Remove(this);
}
public void SetDependencyOn(InferredType dependee)
{
_dependencies[dependee] = true;
dependee._dependants[this] = true;
}
public void RemoveDependencyOn(InferredType dependee)
{
_dependencies.Remove(dependee);
dependee._dependants.Remove(this);
}
public void SetDependencyOn(InferredType dependee)
{
_dependencies[dependee] = true;
dependee._dependants[this] = true;
}