| private SetCustomAttribute ( System customBuilder ) : void | ||
| customBuilder | System | |
| Результат | void | |
public static void SetCustomAttributes(ParameterBuilder pb, IPersistentMap attributes)
{
for (ISeq s = RT.seq(attributes); s != null; s = s.next())
pb.SetCustomAttribute(CreateCustomAttributeBuilder((IMapEntry)(s.first())));
}
public void EmitAttribute (ParameterBuilder builder)
{
if (ResolveBuilder ())
builder.SetCustomAttribute (cab);
}
void SetParamArrayAttribute(ParameterBuilder builder)
{
builder.SetCustomAttribute(
new CustomAttributeBuilder(
ParamArrayAttribute_Constructor,
new object[0]));
}
public void EmitAttribute (ParameterBuilder builder, TypeSpec type)
{
if (ResolveTransformationCtor ()) {
var cab = new CustomAttributeBuilder ((ConstructorInfo) tctor.GetMetaInfo (), new object[] { GetTransformationFlags (type) });
builder.SetCustomAttribute (cab);
}
}
public static void CopyParameterAttributes(ParameterInfo from, ParameterBuilder to) {
if (from.IsDefined(typeof(ParamArrayAttribute), false)) {
to.SetCustomAttribute(new CustomAttributeBuilder(
typeof(ParamArrayAttribute).GetConstructor(Type.EmptyTypes), ArrayUtils.EmptyObjects)
);
} else if (from.IsDefined(typeof(ParamDictionaryAttribute), false)) {
to.SetCustomAttribute(new CustomAttributeBuilder(
typeof(ParamDictionaryAttribute).GetConstructor(Type.EmptyTypes), ArrayUtils.EmptyObjects)
);
}
if ((from.Attributes & ParameterAttributes.HasDefault) != 0) {
to.SetConstant(from.DefaultValue);
}
}
public static void SetCustomAttributes(ParameterBuilder pb, IPersistentMap attributes)
{
foreach (CustomAttributeBuilder cab in CreateCustomAttributeBuilders(attributes))
pb.SetCustomAttribute(cab);
}
private void EmitCustomAttributes(ParameterBuilder paramBuilder, IEnumerable<Cci.ICustomAttribute> attributes)
{
foreach (var attribute in attributes)
{
paramBuilder.SetCustomAttribute(CreateCustomAttributeBuilder(attribute));
}
}
private void Visit(IParameterDefinition parameterDefinition, ParameterBuilder parameterBuilder) {
if (parameterDefinition.HasDefaultValue) {
parameterDefinition.DefaultValue.Dispatch(this);
parameterBuilder.SetConstant(this.value);
}
foreach (var customAttribute in parameterDefinition.Attributes) {
var customAttributeBuilder = this.GetCustomAttributeBuilder(customAttribute);
parameterBuilder.SetCustomAttribute(customAttributeBuilder);
}
if (parameterDefinition.IsMarshalledExplicitly)
parameterBuilder.SetCustomAttribute(GetMarshalAsAttribute(parameterDefinition.MarshallingInformation));
}
/// <summary>
/// Apply the custom attribute to parameters
/// </summary>
public void ApplyAttributes(ParameterBuilder paramBuilder)
{
if (m_attribute != null)
paramBuilder.SetCustomAttribute(m_attribute);
if (m_typeInfo != null)
ConvCommon.HandleAlias(m_info, m_typeInfo, m_typeDesc, paramBuilder);
}
public static void HandleAlias(ConverterInfo info, TypeInfo typeInfo, TypeDesc typeDesc, ParameterBuilder builder)
{
string aliasName = GetAliasName(info, typeInfo, typeDesc);
if (aliasName != null)
builder.SetCustomAttribute(CustomAttributeHelper.GetBuilderForComAliasName(aliasName));
}
/// <summary>
/// Provide implementation for setting default value
/// </summary>
private static void SetDefaultValueInternal(IntPtr ipVariant, Type type, ParameterBuilder paramBuilder, FieldBuilder fieldBuilder, short typeVt)
{
if (type == null) throw new ArgumentNullException(nameof(type));
// Use the element type for normalization if the type is a ByRef
while (type.IsByRef)
type = type.GetElementType();
short defaultValueVt = Marshal.ReadInt16(ipVariant);
object defaultValue = GetNormalizedDefaultValueFromVariant(ipVariant, type, defaultValueVt, typeVt);
if (type.IsEnum && (defaultValueVt == (short)VarEnum.VT_I4 || defaultValueVt == (short)VarEnum.VT_UI4))
{
// 1) I can't dynamically create the enum in a ReflectionOnlyContext
// 2) In pre-4.0, SetConstant(1) won't work for enum types.
// After talking with team members we decided that this is a minor functionality that
// we can live without in pre-4.0
// return;
}
// Currently ParameterBuilder.SetConstant doesn't emit the custom attributes so certain types of constants
// so we need to do that by ourselves
CustomAttributeBuilder builder = null;
if (type == typeof(Decimal))
{
DECIMAL realDecimal;
IntPtr pDecimal = IntPtr.Zero;
// Unfortunate we cannot directly access the fields in the decimal struct and we need to rely on the fact
// that the internal representation of decimal & DECIMAL are the same, which will most likely remain true in the future
// because CLR internally does the same thing
Debug.Assert(sizeof(decimal) == Marshal.SizeOf(typeof(DECIMAL)));
try
{
pDecimal = Marshal.AllocCoTaskMem(sizeof(decimal));
// We convert it to unmanaged then back to managed to avoid unsafe code, so that we won't crash immediately in partial trust
Marshal.StructureToPtr(defaultValue, pDecimal, false);
realDecimal = (DECIMAL)Marshal.PtrToStructure(pDecimal, typeof(DECIMAL));
}
finally
{
if (pDecimal != IntPtr.Zero)
Marshal.FreeCoTaskMem(pDecimal);
}
builder = CustomAttributeHelper.GetBuilderForDecimalConstant(
realDecimal.scale,
realDecimal.sign,
realDecimal.hi32,
realDecimal.mid32,
realDecimal.low32);
}
else if (type == typeof(DateTime) && defaultValueVt == (short)VarEnum.VT_DATE)
{
builder = CustomAttributeHelper.GetBuilderForDateTimeConstant(((DateTime)defaultValue).Ticks);
}
else if (defaultValueVt == (short)VarEnum.VT_UNKNOWN)
{
// Currently ParameterBuilder.SetConstant doesn't emit the IUnknownConstantAttribute
// for IUnknown so we need to do that by ourselves
builder = CustomAttributeHelper.GetBuilderForIUnknownConstant();
}
else if (defaultValueVt == (short)VarEnum.VT_DISPATCH)
{
// Currently ParameterBuilder.SetConstant doesn't emit the IDispatchConstantAttribute
// for IDispatch so we need to do that by ourselves
builder = CustomAttributeHelper.GetBuilderForIDispatchConstant();
}
if (builder != null)
{
if (paramBuilder != null)
paramBuilder.SetCustomAttribute(builder);
if (fieldBuilder != null)
fieldBuilder.SetCustomAttribute(builder);
}
else
{
try
{
if (paramBuilder != null)
paramBuilder.SetConstant(defaultValue);
if (fieldBuilder != null)
fieldBuilder.SetConstant(defaultValue);
}
catch (Exception)
{
// Debug.Assert(type.IsEnum, "We should avoid failing for non-Enum default values");
}
}
}
/// <summary>
/// Copies parameter attributes. This is used to copy marshalling attributes and other relevant data.
/// </summary>
/// <param name="builder"></param>
/// <param name="parameter"></param>
private static void CopyParameterAttributes(ParameterBuilder builder, ParameterInfo parameter)
{
foreach (var attrib in parameter.GetCustomAttributesData()) //.CustomAttributes)
{
if (attrib.NamedArguments == null || attrib.NamedArguments.Count == 0)
continue;
// The marshaller will prefer to use the MarshalType over MarshalTypeRef.
// and will automatically set MarshalType if you specify MarshalTypeRef.
// this will make it unable to locate the type (since without assembly specification, it will look in the dynamic assembly)
// Therefore we have to remove MarshalType if both MarshalType and MarshalTypeRef is set.
var namedArguments = FixMarshalTypeAttributes(attrib.NamedArguments).ToArray();
var attribBuilder = new CustomAttributeBuilder(
attrib.Constructor,
attrib.ConstructorArguments.Select(a => a.Value).ToArray(),
attrib.NamedArguments.Where(a => a.MemberInfo.MemberType != MemberTypes.Field)
.Select(s => s.MemberInfo)
.OfType<PropertyInfo>()
.ToArray(),
attrib.NamedArguments.Where(a => a.MemberInfo.MemberType != MemberTypes.Field)
.Select(s => s.TypedValue)
.Select(s => s.Value)
.ToArray(),
namedArguments.Where(a => a.MemberInfo.MemberType == MemberTypes.Field).Select(s => s.MemberInfo).OfType<FieldInfo>().ToArray(),
namedArguments.Where(a => a.MemberInfo.MemberType == MemberTypes.Field).Select(s => s.TypedValue).Select(s => s.Value).ToArray());
builder.SetCustomAttribute(attribBuilder);
}
}