internal bool TryGetLineDeltas(MethodId methodId, out MethodLineDeltas deltas)
{
if (_lazyMethodLineDeltas == null)
{
deltas = default(MethodLineDeltas);
return(false);
}
return(_lazyMethodLineDeltas.TryGetValue(methodId, out deltas));
}
private void UpdateLineDeltas(MethodId methodId, MethodLineDeltas deltas)
{
if (_lazyMethodLineDeltas == null)
{
_lazyMethodLineDeltas = new Dictionary <MethodId, MethodLineDeltas>();
}
if (_lazyMethodLineDeltas.TryGetValue(methodId, out var existing))
{
_lazyMethodLineDeltas[methodId] = existing.Merge(deltas);
}
else
{
_lazyMethodLineDeltas[methodId] = deltas;
}
}
public MethodLineDeltas Merge(MethodLineDeltas other)
{
int maxLength = Math.Max(_deltas.Length, other._deltas.Length);
int minLength = Math.Min(_deltas.Length, other._deltas.Length);
var builder = ImmutableArray.CreateBuilder <int>(maxLength);
for (int i = 0; i < minLength; i++)
{
builder.Add(unchecked (_deltas[i] + other._deltas[i]));
}
builder.AddSubRange(_deltas, minLength);
builder.AddSubRange(other._deltas, minLength);
return(new MethodLineDeltas(unchecked (_delta + other._delta), builder.MoveToImmutable()));
}