public static IMethodSymbol EnsureNonConflictingNames(
this IMethodSymbol method, INamedTypeSymbol containingType, CancellationToken cancellationToken)
{
// The method's type parameters may conflict with the type parameters in the type
// we're generating into. In that case, rename them.
var parameterNames = NameGenerator.EnsureUniqueness(
method.Parameters.Select(p => p.Name).ToList(), isCaseSensitive: true);
var outerTypeParameterNames =
containingType.GetAllTypeParameters()
.Select(tp => tp.Name)
.Concat(method.Name)
.Concat(containingType.Name);
var unusableNames = parameterNames.Concat(outerTypeParameterNames).ToSet(StringComparer.Ordinal);
var newTypeParameterNames = NameGenerator.EnsureUniqueness(
method.TypeParameters.Select(tp => tp.Name).ToList(),
n => !unusableNames.Contains(n));
var updatedMethod = method.RenameTypeParameters(newTypeParameterNames);
return(updatedMethod.RenameParameters(parameterNames));
}
