private void ReserveTypes(IEnumerable <Type> types)
{
var offset = new TypeDefinitionMetadataOffset
{
FieldIndex = _metadata.Builder.GetRowCount(TableIndex.Field),
PropertyIndex = _metadata.Builder.GetRowCount(TableIndex.PropertyMap),
MethodIndex = _metadata.Builder.GetRowCount(TableIndex.MethodDef),
EventIndex = _metadata.Builder.GetRowCount(TableIndex.EventMap)
};
foreach (var type in types)
{
var nextOffset = ReserveTypeDefinition(type, offset);
offset = nextOffset;
}
}
private void ReserveType(Type type, ref TypeDefinitionMetadataOffset offset)
{
var typeHandle = MetadataTokens.TypeDefinitionHandle(++offset.TypeIndex);
_metadata.ReserveTypeDefinition(type, typeHandle);
foreach (var field in type.GetFields(AllFields))
{
var handle = MetadataTokens.FieldDefinitionHandle(++offset.FieldIndex);
_metadata.ReserveFieldDefinition(field, handle);
}
foreach (var property in type.GetProperties(AllProperties))
{
// We don't need to handle backing field. Because, it's handled as a regular field.
// Also, we don't need to handle getter or setter. Because, they are handled as regular methods.
var propertyHandle = MetadataTokens.PropertyDefinitionHandle(++offset.PropertyIndex);
_metadata.ReservePropertyDefinition(property, propertyHandle);
}
foreach (var ev in type.GetEvents(AllEvents))
{
var eventHandle = MetadataTokens.EventDefinitionHandle(++offset.EventIndex);
_metadata.ReserveEventDefinition(ev, eventHandle);
}
foreach (var ctor in type.GetConstructors(AllMethods))
{
var handle = MetadataTokens.MethodDefinitionHandle(++offset.MethodIndex);
_metadata.ReserveConstructorDefinition(ctor, handle);
}
foreach (var method in type.GetMethods(AllMethods))
{
var handle = MetadataTokens.MethodDefinitionHandle(++offset.MethodIndex);
_metadata.ReserveMethodDefinition(method, handle);
}
}
private void CreateTypes(IEnumerable <Type> types)
{
var offsets = new TypeDefinitionMetadataOffset()
{
TypeIndex = _metadata.Builder.GetRowCount(TableIndex.TypeDef),
FieldIndex = _metadata.Builder.GetRowCount(TableIndex.Field),
PropertyIndex = _metadata.Builder.GetRowCount(TableIndex.PropertyMap),
MethodIndex = _metadata.Builder.GetRowCount(TableIndex.MethodDef),
EventIndex = _metadata.Builder.GetRowCount(TableIndex.EventMap)
};
// Reserve types
foreach (var type in types)
{
ReserveType(type, ref offsets);
}
// Create types
foreach (var type in types)
{
CreateType(type);
}
}
private TypeDefinitionMetadataOffset ReserveTypeDefinition(Type type, TypeDefinitionMetadataOffset offset)
{
var baseTypeHandle = type.BaseType != null?_metadata.GetTypeHandle(type.BaseType) : default;
var fieldRowCount = offset.FieldIndex;
var propertyRowCount = offset.PropertyIndex;
var methodRowCount = offset.MethodIndex;
var eventRowCount = offset.EventIndex;
foreach (var field in type.GetFields(AllFields))
{
var handle = MetadataTokens.FieldDefinitionHandle(fieldRowCount + 1);
_metadata.ReserveFieldDefinition(field, handle);
++fieldRowCount;
}
foreach (var property in type.GetProperties(AllProperties))
{
// We don't need to handle backing field. Because, it's handled as a regular field.
// Also, we don't need to handle getter or setter. Because, they are handled as regular methods.
var propertyHandle = MetadataTokens.PropertyDefinitionHandle(propertyRowCount + 1);
_metadata.ReservePropertyDefinition(property, propertyHandle);
++propertyRowCount;
}
foreach (var ev in type.GetEvents(AllEvents))
{
var eventHandle = MetadataTokens.EventDefinitionHandle(eventRowCount + 1);
_metadata.ReserveEventDefinition(ev, eventHandle);
++eventRowCount;
}
foreach (var ctor in type.GetConstructors(AllMethods))
{
var handle = MetadataTokens.MethodDefinitionHandle(methodRowCount + 1);
_metadata.ReserveConstructorDefinition(ctor, handle);
++methodRowCount;
}
foreach (var method in type.GetMethods(AllMethods))
{
var handle = MetadataTokens.MethodDefinitionHandle(methodRowCount + 1);
_metadata.ReserveMethodDefinition(method, handle);
++methodRowCount;
}
var typeHandle = _metadata.Builder.AddTypeDefinition(
type.Attributes,
_metadata.GetOrAddString(ApplyNameChange(type.Namespace)),
_metadata.GetOrAddString(type.Name),
baseTypeHandle,
MetadataTokens.FieldDefinitionHandle(offset.FieldIndex + 1),
MetadataTokens.MethodDefinitionHandle(offset.MethodIndex + 1));
// Add immediately to support self referencing generics
_metadata.ReserveTypeDefinition(type, typeHandle, offset.FieldIndex, offset.PropertyIndex,
offset.MethodIndex, offset.EventIndex);
// Handle generics type
if (type.IsGenericType)
{
if (type.IsGenericTypeDefinition)
{
var genericType = type.GetGenericTypeDefinition();
var typeInfo = genericType.GetTypeInfo();
for (var i = 0; i < typeInfo.GenericTypeParameters.Length; ++i)
{
var parm = typeInfo.GenericTypeParameters[i];
var attr = parm.GenericParameterAttributes;
var genericParameterHandle =
_metadata.Builder.AddGenericParameter(typeHandle, attr, _metadata.GetOrAddString(parm.Name),
i);
foreach (var constraint in parm.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(genericParameterHandle,
_metadata.GetTypeHandle(constraint));
}
}
}
}
return(new TypeDefinitionMetadataOffset
{
FieldIndex = fieldRowCount,
PropertyIndex = propertyRowCount,
MethodIndex = methodRowCount,
EventIndex = eventRowCount
});
}
