public LexicalSortKey GetLexicalSortKey(CSharpCompilation compilation)
{
LexicalSortKey sortKey = new LexicalSortKey(_declarations[0].NameLocation, compilation);
for (var i = 1; i < _declarations.Length; i++)
{
sortKey = LexicalSortKey.First(sortKey, new LexicalSortKey(_declarations[i].NameLocation, compilation));
}
return sortKey;
}
/// <summary>
/// Compare two lexical sort keys in a compilation.
/// </summary>
public static int Compare(LexicalSortKey xSortKey, LexicalSortKey ySortKey)
{
int comparison;
if (xSortKey.TreeOrdinal != ySortKey.TreeOrdinal)
{
if (xSortKey.TreeOrdinal < 0)
{
return(1);
}
else if (ySortKey.TreeOrdinal < 0)
{
return(-1);
}
comparison = xSortKey.TreeOrdinal - ySortKey.TreeOrdinal;
Debug.Assert(comparison != 0);
return(comparison);
}
return(xSortKey.Position - ySortKey.Position);
}
internal override LexicalSortKey GetLexicalSortKey() => LexicalSortKey.GetSynthesizedMemberKey(_memberOffset);
public void SetFrom(LexicalSortKey other)
{
Debug.Assert(other.IsInitialized);
_treeOrdinal = other._treeOrdinal;
Volatile.Write(ref _position, other._position);
}
public static LexicalSortKey First(LexicalSortKey xSortKey, LexicalSortKey ySortKey)
{
int comparison = Compare(xSortKey, ySortKey);
return(comparison > 0 ? ySortKey : xSortKey);
}
/// <summary>
/// Compare two lexical sort keys in a compilation.
/// </summary>
public static int Compare(LexicalSortKey xSortKey, LexicalSortKey ySortKey)
{
int comparison;
if (xSortKey.TreeOrdinal != ySortKey.TreeOrdinal)
{
if (xSortKey.TreeOrdinal < 0)
{
return 1;
}
else if (ySortKey.TreeOrdinal < 0)
{
return -1;
}
comparison = xSortKey.TreeOrdinal - ySortKey.TreeOrdinal;
Debug.Assert(comparison != 0);
return comparison;
}
return xSortKey.Position - ySortKey.Position;
}
public void SetFrom(LexicalSortKey other)
{
Debug.Assert(other.IsInitialized);
this.treeOrdinal = other.treeOrdinal;
Volatile.Write(ref this.position, other.position);
}
public static LexicalSortKey First(LexicalSortKey xSortKey, LexicalSortKey ySortKey)
{
int comparison = Compare(xSortKey, ySortKey);
return comparison > 0 ? ySortKey : xSortKey;
}
