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

50 lines
1.7 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 dnSpy.Debugger.DotNet.Metadata;
using dnSpy.Debugger.DotNet.Mono.Properties;
using Mono.Debugger.Soft;
namespace dnSpy.Debugger.DotNet.Mono.Impl {
static class EvalReflectionUtils {
public static string? TryGetExceptionMessage(ObjectMirror exObj) {
var field = GetField(exObj.Type, KnownMemberNames.Exception_Message_FieldName, KnownMemberNames.Exception_Message_FieldName_Mono);
if (field is null)
return null;
var value = exObj.GetValue(field);
if (value is StringMirror sm)
return sm.Value ?? dnSpy_Debugger_DotNet_Mono_Resources.ExceptionMessageIsNull;
if (value is null || (value is PrimitiveValue pv && pv.Value is null))
return dnSpy_Debugger_DotNet_Mono_Resources.ExceptionMessageIsNull;
return null;
}
static FieldInfoMirror? GetField(TypeMirror type, string name1, string name2) {
while (type is not null) {
foreach (var field in type.GetFields()) {
if (field.Name == name1 || field.Name == name2)
return field;
}
type = type.BaseType;
}
return null;
}
}
}