public static void AddCilHint(IHasMetaTable target, ICilHint hint)
{
if (target.Meta.ContainsKey(Loader.CilHintsKey))
target.Meta.AddTo(Loader.CilHintsKey, hint.ToMetaEntry());
else
target.Meta[Loader.CilHintsKey] = (MetaEntry) new[] {hint.ToMetaEntry()};
}
public static void SetCilHint(IHasMetaTable target, ICilHint newHint)
{
MetaEntry cilHints;
if (target.Meta.TryGetValue(Loader.CilHintsKey, out cilHints))
{
var hints = cilHints.List;
var replaced = false;
var excessHints = 0;
for (var i = 0; i < hints.Length; i++)
{
var cilHint = hints[i].List;
//We're only interested in CIL hints that conflict with the new one.
if (!Engine.StringsAreEqual(cilHint[0].Text, newHint.CilKey))
continue;
if (replaced)
{
hints[i] = null;
excessHints++;
}
else
{
hints[i] = newHint.ToMetaEntry();
replaced = true;
}
}
if (excessHints == 0)
{
if (!replaced)
target.Meta.AddTo(Loader.CilHintsKey, newHint.ToMetaEntry());
//otherwise the array has already been modified by ref.
}
else
{
//need to resize array (and possibly add new CIL hint)
var newHints = new MetaEntry[hints.Length - excessHints + (replaced ? 0 : 1)];
int idxNew;
int idxOld;
for (idxNew = idxOld = 0; idxOld < hints.Length; idxOld++)
{
var oldHint = hints[idxOld];
if (oldHint == null)
continue;
newHints[idxNew++] = oldHint;
}
if (!replaced)
newHints[idxNew] = newHint.ToMetaEntry();
target.Meta[Loader.CilHintsKey] = (MetaEntry) newHints;
}
}
else
{
target.Meta[Loader.CilHintsKey] = (MetaEntry) new[] {newHint.ToMetaEntry()};
}
}