/// <summary>
/// If this is an extension method that can be applied to a receiver of the given type,
/// returns a reduced extension method symbol thus formed. Otherwise, returns null.
/// </summary>
public MethodSymbol ReduceExtensionMethod(TypeSymbol receiverType)
{
if ((object)receiverType == null)
{
throw new ArgumentNullException(nameof(receiverType));
}
if (!this.IsExtensionMethod || this.MethodKind == MethodKind.ReducedExtension)
{
return(null);
}
return(ReducedExtensionMethodSymbol.Create(this, receiverType));
}
/// <summary>
/// If this is an extension method that can be applied to a receiver of the given type,
/// returns a reduced extension method symbol thus formed. Otherwise, returns null.
/// </summary>
public MethodSymbol ReduceExtensionMethod(TypeSymbol receiverType)
{
if ((object)receiverType == null)
{
throw new ArgumentNullException(nameof(receiverType));
}
if (!this.IsExtensionMethod || this.MethodKind == MethodKind.ReducedExtension)
{
return(null);
}
// To give optimal diagnostics, we should really pass the "current" compilation.
// However, this is never used in batch scenarios, so it doesn't matter
// (modulo future changes to the API).
return(ReducedExtensionMethodSymbol.Create(this, receiverType, compilation: null));
}
/// <summary>
/// If this is an extension method, returns a reduced extension method
/// symbol representing the method. Otherwise, returns null.
/// </summary>
public MethodSymbol ReduceExtensionMethod()
{
return((this.IsExtensionMethod && this.MethodKind != MethodKind.ReducedExtension) ? ReducedExtensionMethodSymbol.Create(this) : null);
}
