static bool FieldMatchesOptions(int fieldIndex, CachedSnapshot data, FieldFindOptions options)
{
if (options == FieldFindOptions.OnlyStatic)
{
return(data.fieldDescriptions.isStatic[fieldIndex]);
}
if (options == FieldFindOptions.OnlyInstance)
{
return(!data.fieldDescriptions.isStatic[fieldIndex]);
}
return(false);
}
static bool FieldMatchesOptions(FieldDescription field, FieldFindOptions options)
{
if (field.isStatic && options == FieldFindOptions.OnlyStatic)
{
return(true);
}
if (!field.isStatic && options == FieldFindOptions.OnlyInstance)
{
return(true);
}
return(false);
}
static public IEnumerable <int> AllFieldArrayIndexOf(int iTypeArrayIndex, CachedSnapshot data, FieldFindOptions findOptions, bool includeBase)
{
int baseTypeIndex = data.typeDescriptions.baseOrElementTypeIndex[iTypeArrayIndex];
bool isValueType = data.typeDescriptions.HasFlag(iTypeArrayIndex, TypeFlags.kValueType);
//yield all fields from base type
if (includeBase &&
baseTypeIndex != -1 &&
!isValueType)
{
int baseArrayIndex = data.typeDescriptions.TypeIndex2ArrayIndex(baseTypeIndex);
foreach (var iField in AllFieldArrayIndexOf(baseArrayIndex, data, findOptions, includeBase))
{
yield return(iField);
}
}
int iTypeIndex = data.typeDescriptions.typeIndex[iTypeArrayIndex];
foreach (var iField in data.typeDescriptions.fieldIndices[iTypeArrayIndex])
{
if (!FieldMatchesOptions(iField, data, findOptions))
{
continue;
}
if (data.fieldDescriptions.typeIndex[iField] == iTypeIndex && isValueType)
{
// this happens in primitive types like System.Single, which is a weird type that has a field of its own type.
continue;
}
if (data.fieldDescriptions.offset[iField] == -1)
{
// this is how we encode TLS fields. We don't support TLS fields yet.
continue;
}
yield return(iField);
}
}
public static void AllFieldArrayIndexOf(ref List <int> fieldsBuffer, int ITypeArrayIndex, CachedSnapshot data, FieldFindOptions findOptions, bool includeBase)
{
//make sure we clear before we start crawling
fieldsBuffer.Clear();
RecurseCrawlFields(ref fieldsBuffer, ITypeArrayIndex, data, findOptions, includeBase);
}
static void RecurseCrawlFields(ref List <int> fieldsBuffer, int ITypeArrayIndex, CachedSnapshot data, FieldFindOptions fieldFindOptions, bool crawlBase)
{
bool isValueType = data.typeDescriptions.HasFlag(ITypeArrayIndex, TypeFlags.kValueType);
if (crawlBase)
{
int baseTypeIndex = data.typeDescriptions.baseOrElementTypeIndex[ITypeArrayIndex];
if (crawlBase && baseTypeIndex != -1 && !isValueType)
{
int baseArrayIndex = data.typeDescriptions.TypeIndex2ArrayIndex(baseTypeIndex);
RecurseCrawlFields(ref fieldsBuffer, baseArrayIndex, data, fieldFindOptions, true);
}
}
int iTypeIndex = data.typeDescriptions.typeIndex[ITypeArrayIndex];
var fieldIndices = data.typeDescriptions.fieldIndices[ITypeArrayIndex];
for (int i = 0; i < fieldIndices.Length; ++i)
{
var iField = fieldIndices[i];
if (!FieldMatchesOptions(iField, data, fieldFindOptions))
{
continue;
}
if (data.fieldDescriptions.typeIndex[iField] == iTypeIndex && isValueType)
{
// this happens in primitive types like System.Single, which is a weird type that has a field of its own type.
continue;
}
if (data.fieldDescriptions.offset[iField] == -1) //TODO: verify this assumption
{
// this is how we encode TLS fields. We don't support TLS fields yet.
continue;
}
fieldsBuffer.Add(iField);
}
}
static public IEnumerable <FieldDescription> AllFieldsOf(TypeDescription typeDescription, TypeDescription[] typeDescriptions, FieldFindOptions findOptions)
{
if (typeDescription.isArray)
{
yield break;
}
if (findOptions != FieldFindOptions.OnlyStatic && typeDescription.baseOrElementTypeIndex != -1 && !typeDescription.isValueType)
{
var baseTypeDescription = typeDescriptions [typeDescription.baseOrElementTypeIndex];
foreach (var field in AllFieldsOf(baseTypeDescription, typeDescriptions, findOptions))
{
yield return(field);
}
}
foreach (var field in typeDescription.fields)
{
if (!FieldMatchesOptions(field, findOptions))
{
continue;
}
if (field.typeIndex == typeDescription.typeIndex && typeDescription.isValueType)
{
// this happens in primitive types like System.Single, which is a weird type that has a field of its own type.
continue;
}
if (field.offset == -1)
{
// this is how we encode TLS fields. We don't support TLS fields yet.
continue;
}
yield return(field);
}
}
static public IEnumerable <FieldDescription> AllFieldsOf(TypeDescription typeDescription, TypeDescription[] typeDescriptions, FieldFindOptions findOptions)
{
if (typeDescription.isArray)
{
yield break;
}
if (findOptions != FieldFindOptions.OnlyStatic && typeDescription.baseOrElementTypeIndex != -1)
{
var baseTypeDescription = typeDescriptions [typeDescription.baseOrElementTypeIndex];
foreach (var field in AllFieldsOf(baseTypeDescription, typeDescriptions, findOptions))
{
yield return(field);
}
}
foreach (var field in typeDescription.fields.Where(f => FieldMatchesOptions(f, findOptions)))
{
yield return(field);
}
}