private static TypeMap GetTypeMap(Symbol member)
{
var typeParameters = member.GetMemberTypeParameters();
return typeParameters.IsEmpty ?
null :
new TypeMap(
typeParameters,
IndexedTypeParameterSymbol.Take(member.GetMemberArity()),
true);
}
private static TypeMap GetTypeMap(Symbol member)
{
var typeParameters = member.GetMemberTypeParameters();
return(typeParameters.IsEmpty ?
null :
new TypeMap(
nonNullTypesContext: member.OriginalDefinition,
typeParameters,
IndexedTypeParameterSymbol.Take(member.GetMemberArity()),
true));
}
/// <summary>
/// Returns true if the two partial methods have the same constraints.
/// </summary>
private static bool HaveSameConstraints(SourceMemberMethodSymbol part1, SourceMemberMethodSymbol part2)
{
Debug.Assert(!ReferenceEquals(part1, part2));
Debug.Assert(part1.Arity == part2.Arity);
var typeParameters1 = part1.TypeParameters;
int arity = typeParameters1.Length;
if (arity == 0)
{
return(true);
}
var typeParameters2 = part2.TypeParameters;
var indexedTypeParameters = IndexedTypeParameterSymbol.Take(arity);
var typeMap1 = new TypeMap(typeParameters1, indexedTypeParameters, allowAlpha: true);
var typeMap2 = new TypeMap(typeParameters2, indexedTypeParameters, allowAlpha: true);
return(MemberSignatureComparer.HaveSameConstraints(typeParameters1, typeMap1, typeParameters2, typeMap2));
}
private static void GrowPool(int count)
{
var initialPool = s_parameterPool;
while (count > initialPool.Length)
{
var newPoolSize = ((count + 0x0F) & ~0xF); // grow in increments of 16
var newPool = new TypeParameterSymbol[newPoolSize];
Array.Copy(initialPool, newPool, initialPool.Length);
for (int i = initialPool.Length; i < newPool.Length; i++)
{
newPool[i] = new IndexedTypeParameterSymbol(i);
}
Interlocked.CompareExchange(ref s_parameterPool, newPool, initialPool);
// repeat if race condition occurred and someone else resized the pool before us
// and the new pool is still too small
initialPool = s_parameterPool;
}
}
private static void GrowPool(int count)
{
var initialPool = parameterPool;
while (count > initialPool.Length)
{
var newPoolSize = ((count + 0x0F) & ~0xF); // grow in increments of 16
var newPool = new TypeParameterSymbol[newPoolSize];
Array.Copy(initialPool, newPool, initialPool.Length);
for (int i = initialPool.Length; i < newPool.Length; i++)
{
newPool[i] = new IndexedTypeParameterSymbol(i);
}
Interlocked.CompareExchange(ref parameterPool, newPool, initialPool);
// repeat if race condition occurred and someone else resized the pool before us
// and the new pool is still too small
initialPool = parameterPool;
}
}
