internal CustomAttributeData(Assembly asm, ConstructorInfo constructor, ByteReader br)
{
this.lazyConstructor = constructor;
if (br.Length == 0)
{
// it's legal to have an empty blob
lazyConstructorArguments = Empty<CustomAttributeTypedArgument>.Array;
lazyNamedArguments = Empty<CustomAttributeNamedArgument>.Array;
}
else
{
if (br.ReadUInt16() != 1)
{
throw new BadImageFormatException();
}
lazyConstructorArguments = ReadConstructorArguments(asm, br, constructor);
lazyNamedArguments = ReadNamedArguments(asm, br, br.ReadUInt16(), constructor.DeclaringType);
}
}
void ReadFixedArg(StringBuilder sb, ByteReader br, Type type, bool arrayElement = false)
{
if (type.IsArray)
{
int length = br.ReadInt32();
if (length == -1 && compat == CompatLevel.None)
{
sb.Append("nullref");
}
else if (length == 0 && compat != CompatLevel.None)
{
throw new IKVM.Reflection.BadImageFormatException();
}
else
{
Type elementType = type.GetElementType();
AppendCATypeName(sb, elementType, null);
sb.AppendFormat("[{0}](", length);
for (int i = 0; i < length; i++)
{
if (i != 0)
{
sb.Append(' ');
}
if (elementType == typeofSystemObject)
{
string typeName;
ReadFixedArg(sb, br, ReadFieldOrPropType(sb, br, out typeName), false);
}
else
{
ReadFixedArg(sb, br, elementType, true);
}
}
sb.Append(')');
}
}
else if (type.FullName == "System.Type" && type.Assembly.GetName().Name == "mscorlib")
{
if (!arrayElement)
{
AppendCATypeName(sb, type, null);
sb.Append('(');
}
string typeName;
var type1 = ReadType(br, out typeName);
if (type1 == null)
{
if (typeName == null)
{
sb.Append("nullref");
}
else
{
sb.Append("class ").Append(QuoteIdentifier(typeName, true));
}
}
else
{
AppendTypeName(sb, type1, typeName, compat != CompatLevel.None && IsNestedTypeWithNamespace(type1));
}
if (!arrayElement)
{
sb.Append(')');
}
}
else if (type.Assembly == mscorlib)
{
if (!arrayElement)
{
AppendCATypeName(sb, type, null);
sb.Append('(');
}
if (type == typeofSystemBoolean)
{
sb.Append(br.ReadByte() == 0 ? "false" : "true");
}
else if (type == typeofSystemByte)
{
sb.Append(br.ReadByte());
}
else if (type == typeofSystemSByte)
{
sb.Append(br.ReadSByte());
}
else if (type == typeofSystemChar)
{
sb.AppendFormat("0x{0:X4}", (int)br.ReadChar());
}
else if (type == typeofSystemInt16)
{
sb.Append(br.ReadInt16());
}
else if (type == typeofSystemUInt16)
{
sb.Append(br.ReadUInt16());
}
else if (type == typeofSystemInt32)
{
sb.Append(br.ReadInt32());
}
else if (type == typeofSystemUInt32)
{
sb.Append(br.ReadInt32());
}
else if (type == typeofSystemInt64)
{
sb.Append(br.ReadInt64());
}
else if (type == typeofSystemUInt64)
{
sb.Append(br.ReadInt64());
}
else if (type == typeofSystemSingle)
{
sb.Append(ToString(br.ReadSingle(), true));
}
else if (type == typeofSystemDouble)
{
sb.Append(ToString(br.ReadDouble(), true));
}
else if (type == typeofSystemString)
{
var str = br.ReadString();
if (str == null)
{
sb.Append("nullref");
}
else
{
if (compat != CompatLevel.None)
{
int pos = str.IndexOf((char)0);
if (pos != -1)
{
str = str.Substring(0, pos);
}
}
sb.Append(QuoteIdentifier(str, true));
}
}
else if (type == typeofSystemObject)
{
string typeName;
ReadFixedArg(sb, br, ReadFieldOrPropType(sb, br, out typeName));
}
else
{
throw new NotImplementedException(type.FullName);
}
if (!arrayElement)
{
sb.Append(')');
}
}
else if (type.__IsMissing || (compat != CompatLevel.None && typerefs.Contains(type)))
{
// ildasm actually tries to load the assembly, but we can't do that, so we cheat by having
// a list of 'known' enum types
if (type.Assembly.GetName().Name == "mscorlib")
{
switch (type.FullName)
{
case "System.AttributeTargets":
case "System.Runtime.ConstrainedExecution.Consistency":
case "System.Runtime.ConstrainedExecution.Cer":
case "System.Security.Permissions.SecurityAction":
case "System.Security.Permissions.SecurityPermissionFlag":
case "System.Runtime.Versioning.ResourceScope":
case "System.Runtime.InteropServices.CallingConvention":
case "System.Runtime.InteropServices.CharSet":
ReadFixedArg(sb, br, typeofSystemInt32);
return;
case "System.Security.SecurityRuleSet":
if (compat != CompatLevel.V20)
{
ReadFixedArg(sb, br, typeofSystemByte);
return;
}
break;
case "System.Diagnostics.Tracing.EventLevel":
case "System.Diagnostics.Tracing.EventTask":
case "System.Diagnostics.Tracing.EventOpcode":
if (compat != CompatLevel.V20 && compat != CompatLevel.V40)
{
ReadFixedArg(sb, br, typeofSystemInt32);
return;
}
break;
case "System.Type":
sb.Append("type(");
string typeName;
AppendTypeName(sb, ReadType(br, out typeName), typeName);
sb.Append(")");
return;
}
}
switch (br.Length)
{
case 1:
if (compat != CompatLevel.None)
{
// ildasm uses bool (???) as the underlying type in this case
sb.AppendFormat("bool({0})", br.ReadByte() == 0 ? "false" : "true");
}
else
{
// just guess that the enum has int8 as the underlying type
sb.AppendFormat("int8({0})", br.ReadSByte());
}
break;
case 2:
// just guess that the enum has int16 as the underlying type
sb.AppendFormat("int16({0})", br.ReadInt16());
break;
case 4:
// just guess that the enum has int32 as the underlying type
sb.AppendFormat("int32({0})", br.ReadInt32());
break;
case 8:
// just guess that the enum has int64 as the underlying type
sb.AppendFormat("int64({0})", br.ReadInt64());
break;
default:
throw new IKVM.Reflection.BadImageFormatException();
}
}
else if (type.IsEnum)
{
ReadFixedArg(sb, br, type.GetEnumUnderlyingType(), arrayElement);
}
else
{
throw new NotImplementedException(type.FullName);
}
}
bool DecodeCABlob(StringBuilder sb, ConstructorInfo constructor, byte[] blob, int level)
{
try
{
// CustomAttribute
var br = new ByteReader(blob, 2, blob.Length - 4);
ReadConstructorArguments(sb, br, constructor, level);
br = new ByteReader(blob, blob.Length - (br.Length + 2), br.Length + 2);
int named = br.ReadUInt16();
if (constructor.GetParameters().Length != 0 && named != 0)
{
AppendNewLine(sb, level);
}
ReadNamedArguments(sb, br, named, level, false);
return true;
}
catch (IKVM.Reflection.BadImageFormatException) { }
catch (ArgumentOutOfRangeException) { }
return false;
}
private static OrdinalOrName ReadOrdinalOrName(ByteReader br)
{
char c = br.ReadChar();
if (c == 0xFFFF)
{
return new OrdinalOrName(br.ReadUInt16());
}
else
{
StringBuilder sb = new StringBuilder();
while (c != 0)
{
sb.Append(c);
c = br.ReadChar();
}
return new OrdinalOrName(sb.ToString());
}
}
internal RESOURCEHEADER(ByteReader br)
{
DataSize = br.ReadInt32();
HeaderSize = br.ReadInt32();
TYPE = ReadOrdinalOrName(br);
NAME = ReadOrdinalOrName(br);
br.Align(4);
DataVersion = br.ReadInt32();
MemoryFlags = br.ReadUInt16();
LanguageId = br.ReadUInt16();
Version = br.ReadInt32();
Characteristics = br.ReadInt32();
}
private static CustomAttributeTypedArgument ReadFixedArg(Module context, ByteReader br, Type type)
{
Universe u = context.universe;
if (type == u.System_String)
{
return new CustomAttributeTypedArgument(type, br.ReadString());
}
else if (type == u.System_Boolean)
{
return new CustomAttributeTypedArgument(type, br.ReadByte() != 0);
}
else if (type == u.System_Char)
{
return new CustomAttributeTypedArgument(type, br.ReadChar());
}
else if (type == u.System_Single)
{
return new CustomAttributeTypedArgument(type, br.ReadSingle());
}
else if (type == u.System_Double)
{
return new CustomAttributeTypedArgument(type, br.ReadDouble());
}
else if (type == u.System_SByte)
{
return new CustomAttributeTypedArgument(type, br.ReadSByte());
}
else if (type == u.System_Int16)
{
return new CustomAttributeTypedArgument(type, br.ReadInt16());
}
else if (type == u.System_Int32)
{
return new CustomAttributeTypedArgument(type, br.ReadInt32());
}
else if (type == u.System_Int64)
{
return new CustomAttributeTypedArgument(type, br.ReadInt64());
}
else if (type == u.System_Byte)
{
return new CustomAttributeTypedArgument(type, br.ReadByte());
}
else if (type == u.System_UInt16)
{
return new CustomAttributeTypedArgument(type, br.ReadUInt16());
}
else if (type == u.System_UInt32)
{
return new CustomAttributeTypedArgument(type, br.ReadUInt32());
}
else if (type == u.System_UInt64)
{
return new CustomAttributeTypedArgument(type, br.ReadUInt64());
}
else if (type == u.System_Type)
{
return new CustomAttributeTypedArgument(type, ReadType(context, br));
}
else if (type == u.System_Object)
{
return ReadFixedArg(context, br, ReadFieldOrPropType(context, br));
}
else if (type.IsArray)
{
int length = br.ReadInt32();
if (length == -1)
{
return new CustomAttributeTypedArgument(type, null);
}
Type elementType = type.GetElementType();
CustomAttributeTypedArgument[] array = new CustomAttributeTypedArgument[length];
for (int i = 0; i < length; i++)
{
array[i] = ReadFixedArg(context, br, elementType);
}
return new CustomAttributeTypedArgument(type, array);
}
else if (type.IsEnum)
{
return new CustomAttributeTypedArgument(type, ReadFixedArg(context, br, type.GetEnumUnderlyingTypeImpl()).Value);
}
else
{
throw new InvalidOperationException();
}
}
private static CustomAttributeTypedArgument ReadFixedArg(Assembly asm, ByteReader br, Type type)
{
Universe u = asm.universe;
if (type == u.System_String)
{
return new CustomAttributeTypedArgument(type, br.ReadString());
}
else if (type == u.System_Type)
{
return new CustomAttributeTypedArgument(type, ReadType(asm, br));
}
else if (type == u.System_Object)
{
return ReadFixedArg(asm, br, ReadFieldOrPropType(asm, br));
}
else if (type.IsArray)
{
int length = br.ReadInt32();
if (length == -1)
{
return new CustomAttributeTypedArgument(type, null);
}
Type elementType = type.GetElementType();
CustomAttributeTypedArgument[] array = new CustomAttributeTypedArgument[length];
for (int i = 0; i < length; i++)
{
array[i] = ReadFixedArg(asm, br, elementType);
}
return new CustomAttributeTypedArgument(type, array);
}
else if (type.IsEnum)
{
return new CustomAttributeTypedArgument(type, ReadFixedArg(asm, br, type.GetEnumUnderlyingTypeImpl()).Value);
}
else
{
switch (Type.GetTypeCode(type))
{
case TypeCode.Boolean:
return new CustomAttributeTypedArgument(type, br.ReadByte() != 0);
case TypeCode.Char:
return new CustomAttributeTypedArgument(type, br.ReadChar());
case TypeCode.Single:
return new CustomAttributeTypedArgument(type, br.ReadSingle());
case TypeCode.Double:
return new CustomAttributeTypedArgument(type, br.ReadDouble());
case TypeCode.SByte:
return new CustomAttributeTypedArgument(type, br.ReadSByte());
case TypeCode.Int16:
return new CustomAttributeTypedArgument(type, br.ReadInt16());
case TypeCode.Int32:
return new CustomAttributeTypedArgument(type, br.ReadInt32());
case TypeCode.Int64:
return new CustomAttributeTypedArgument(type, br.ReadInt64());
case TypeCode.Byte:
return new CustomAttributeTypedArgument(type, br.ReadByte());
case TypeCode.UInt16:
return new CustomAttributeTypedArgument(type, br.ReadUInt16());
case TypeCode.UInt32:
return new CustomAttributeTypedArgument(type, br.ReadUInt32());
case TypeCode.UInt64:
return new CustomAttributeTypedArgument(type, br.ReadUInt64());
default:
throw new InvalidOperationException();
}
}
}