/// <summary>
/// Adds the aliases to given index. Alias entry of the given alias indexes are not changed.
/// If given memory index contains no aliases new alias entry is created.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="mustAlias">The must alias.</param>
/// <param name="mayAlias">The may alias.</param>
public void AddAlias(MemoryIndex index, MemoryIndex mustAlias, MemoryIndex mayAlias)
{
MemoryAliasBuilder alias;
if (!memoryAliases.TryGetValue(index, out alias))
{
alias = new MemoryAliasBuilder();
}
if (mustAlias != null)
{
alias.AddMustAlias(mustAlias);
if (alias.MayAliasses.Contains(mustAlias))
{
alias.MayAliasses.Remove(mustAlias);
}
}
if (mayAlias != null && !alias.MustAliasses.Contains(mayAlias))
{
alias.AddMayAlias(mayAlias);
}
memoryAliases[index] = alias;
}
/// <summary>
/// Adds the aliases to given index. Alias entry of the given alias indexes are not changed.
/// If given memory index contains no aliases new alias entry is created.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="mustAliases">The must aliases.</param>
/// <param name="mayAliases">The may aliases.</param>
public void AddAliases(MemoryIndex index, IEnumerable <MemoryIndex> mustAliases, IEnumerable <MemoryIndex> mayAliases)
{
MemoryAliasBuilder alias;
if (!memoryAliases.TryGetValue(index, out alias))
{
alias = new MemoryAliasBuilder();
}
if (mustAliases != null)
{
alias.AddMustAlias(mustAliases);
}
if (mayAliases != null)
{
alias.AddMayAlias(mayAliases);
}
foreach (MemoryIndex mustIndex in alias.MustAliasses)
{
if (alias.MayAliasses.Contains(mustIndex))
{
alias.MayAliasses.Remove(mustIndex);
}
}
memoryAliases[index] = alias;
}
/// <summary>
/// Initializes a new instance of the <see cref="MemoryAlias"/> class from the builder object.
/// </summary>
/// <param name="builder">The builder.</param>
internal MemoryAlias(MemoryAliasBuilder builder)
{
MayAliasses = new ReadOnlyCollection <MemoryIndex>(builder.MayAliasses.ToList());
MustAliasses = new ReadOnlyCollection <MemoryIndex>(builder.MustAliasses.ToList());
}
