2021-09-20 18:20:01 +02:00

91 lines
2.6 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using dnSpy.Debugger.DotNet.Metadata;
using Mono.Debugger.Soft;
namespace dnSpy.Debugger.DotNet.Mono.Impl.Evaluation {
static class ValueUtils {
public static Value Unbox(ObjectMirror obj, DmdType objType) {
if (!objType.IsEnum) {
switch (DmdType.GetTypeCode(objType)) {
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return GetFieldValues(obj).Single();
}
}
if (objType.IsEnum) {
var value = (PrimitiveValue)GetFieldValues(obj).Single();
return obj.VirtualMachine.CreateEnumMirror(obj.Type, value);
}
else {
var values = GetFieldValues(obj).ToArray();
return obj.VirtualMachine.CreateStructMirror(obj.Type, values);
}
}
static IEnumerable<Value> GetFieldValues(ObjectMirror obj) {
var allFields = obj.Type.GetFields().Where(a => !a.IsStatic && !a.IsLiteral).ToArray();
foreach (var v in obj.GetValues(allFields))
yield return v;
}
public static Value MakePrimitiveValueIfPossible(Value value, DmdType type) {
if (!type.IsValueType)
return value;
if (type.IsEnum)
return value;
var sm = value as StructMirror;
if (sm is null)
return value;
switch (DmdType.GetTypeCode(type)) {
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
if (sm.Fields.Length != 1)
throw new InvalidOperationException();
return sm.Fields[0];
}
return value;
}
}
}