public TypeWithModifiers SubstituteType(AbstractTypeMap typeMap)
{
var newCustomModifiers = typeMap.SubstituteCustomModifiers(this.CustomModifiers);
var newTypeWithModifiers = typeMap.SubstituteType(this.Type);
if (!newTypeWithModifiers.Is(this.Type) || newCustomModifiers != this.CustomModifiers)
{
return(new TypeWithModifiers(newTypeWithModifiers.Type, newCustomModifiers.Concat(newTypeWithModifiers.CustomModifiers)));
}
else
{
return(this); // substitution had no effect on the type or modifiers
}
}
/// <summary>
/// Called by <see cref="AbstractTypeMap.SubstituteType"/> to perform substitution
/// on types with TypeKind ErrorType. The general pattern is to use the type map
/// to perform substitution on the wrapped type, if any, and then construct a new
/// error type symbol from the result (if there was a change).
/// </summary>
internal virtual TypeWithModifiers Substitute(AbstractTypeMap typeMap)
{
return new TypeWithModifiers((ErrorTypeSymbol)typeMap.SubstituteNamedType(this));
}
/// <summary>
/// Called by <see cref="AbstractTypeMap.SubstituteType"/> to perform substitution
/// on types with TypeKind ErrorType. The general pattern is to use the type map
/// to perform substitution on the wrapped type, if any, and then construct a new
/// error type symbol from the result (if there was a change).
/// </summary>
internal virtual TypeWithModifiers Substitute(AbstractTypeMap typeMap)
{
return(new TypeWithModifiers((ErrorTypeSymbol)typeMap.SubstituteNamedType(this)));
}