DbgDotNetRawValue?ReadField_CorDebug(DbgDotNetValueImpl obj, string fieldName)
{
var field = obj.Type.GetField(fieldName, DmdBindingFlags.Public | DmdBindingFlags.NonPublic | DmdBindingFlags.Instance);
Debug.Assert((object)field != null);
if ((object)field == null)
{
return(null);
}
var dnAppDomain = ((DbgCorDebugInternalAppDomainImpl)obj.Type.AppDomain.GetDebuggerAppDomain().InternalAppDomain).DnAppDomain;
var corFieldDeclType = GetType(dnAppDomain.CorAppDomain, field.DeclaringType);
var objValue = DbgCorDebugInternalRuntimeImpl.TryGetObjectOrPrimitiveValue(obj.TryGetCorValue(), out int hr);
if (objValue == null)
{
return(null);
}
if (objValue.IsObject)
{
// This isn't a generic read-field method, so we won't try to load any classes by calling cctors.
var fieldValue = objValue.GetFieldValue(corFieldDeclType.Class, (uint)field.MetadataToken, out hr);
if (fieldValue == null)
{
return(null);
}
DbgDotNetValue dnValue = null;
try {
dnValue = CreateDotNetValue_CorDebug(fieldValue, field.AppDomain, tryCreateStrongHandle: false);
return(dnValue.GetRawValue());
}
finally {
dnValue?.Dispose();
}
}
return(null);
}
ILValue CreateILValueCore(DbgDotNetValue value)
{
if (value.Type.IsByRef)
{
return(new ByRefILValueImpl(this, value));
}
if (value.IsNull)
{
return(new NullObjectRefILValueImpl(value));
}
if (value.Type.IsArray)
{
return(new ArrayILValue(this, value));
}
var rawValue = value.GetRawValue();
var objValue = rawValue.RawValue;
switch (rawValue.ValueType)
{
case DbgSimpleValueType.Other:
if (rawValue.HasRawValue && objValue == null)
{
return(new NullObjectRefILValueImpl(value));
}
return(new TypeILValueImpl(this, value));
case DbgSimpleValueType.Decimal:
case DbgSimpleValueType.DateTime:
return(new TypeILValueImpl(this, value));
case DbgSimpleValueType.Void:
throw new InvalidOperationException();
case DbgSimpleValueType.Boolean:
return(new ConstantInt32ILValueImpl(value, (bool)objValue ? 1 : 0));
case DbgSimpleValueType.Char1:
return(new ConstantInt32ILValueImpl(value, (byte)objValue));
case DbgSimpleValueType.CharUtf16:
return(new ConstantInt32ILValueImpl(value, (char)objValue));
case DbgSimpleValueType.Int8:
return(new ConstantInt32ILValueImpl(value, (sbyte)objValue));
case DbgSimpleValueType.Int16:
return(new ConstantInt32ILValueImpl(value, (short)objValue));
case DbgSimpleValueType.Int32:
return(new ConstantInt32ILValueImpl(value, (int)objValue));
case DbgSimpleValueType.Int64:
return(new ConstantInt64ILValueImpl(value, (long)objValue));
case DbgSimpleValueType.UInt8:
return(new ConstantInt32ILValueImpl(value, (byte)objValue));
case DbgSimpleValueType.UInt16:
return(new ConstantInt32ILValueImpl(value, (ushort)objValue));
case DbgSimpleValueType.UInt32:
return(new ConstantInt32ILValueImpl(value, (int)(uint)objValue));
case DbgSimpleValueType.UInt64:
return(new ConstantInt64ILValueImpl(value, (long)(ulong)objValue));
case DbgSimpleValueType.Float32:
return(new ConstantFloatILValueImpl(value, (float)objValue));
case DbgSimpleValueType.Float64:
return(new ConstantFloatILValueImpl(value, (double)objValue));
case DbgSimpleValueType.Ptr32:
if (PointerSize != 4)
{
throw new InvalidOperationException();
}
return(ConstantNativeIntILValueImpl.Create32(value, (int)(uint)objValue));
case DbgSimpleValueType.Ptr64:
if (PointerSize != 8)
{
throw new InvalidOperationException();
}
return(ConstantNativeIntILValueImpl.Create64(value, (long)(ulong)objValue));
case DbgSimpleValueType.StringUtf16:
return(new ConstantStringILValueImpl(this, value, (string)objValue));
default:
Debug.Fail($"Unknown type: {rawValue.ValueType}");
throw new InvalidOperationException();
}
}