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2021-09-20 18:20:01 +02:00
/*
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 dnSpy.Contracts.Debugger;
using dnSpy.Contracts.Debugger.DotNet.Evaluation;
using dnSpy.Contracts.Debugger.Engine.Evaluation;
using dnSpy.Contracts.Debugger.Evaluation;
namespace dnSpy.Debugger.DotNet.Evaluation.Engine {
sealed class DbgEngineObjectIdImpl : DbgEngineObjectId {
public override uint Id => dnObjectId.Id;
internal DbgDotNetObjectId DotNetObjectId => dnObjectId;
internal IDbgDotNetRuntime Runtime => runtime;
readonly IDbgDotNetRuntime runtime;
readonly DbgDotNetObjectId dnObjectId;
public DbgEngineObjectIdImpl(IDbgDotNetRuntime runtime, DbgDotNetObjectId dnObjectId) {
this.runtime = runtime ?? throw new ArgumentNullException(nameof(runtime));
this.dnObjectId = dnObjectId ?? throw new ArgumentNullException(nameof(dnObjectId));
}
public override DbgEngineValue GetValue(DbgEvaluationInfo evalInfo) {
var dispatcher = runtime.Dispatcher;
if (dispatcher.CheckAccess())
return GetValueCore(evalInfo);
return GetValue(dispatcher, evalInfo);
DbgEngineValue GetValue(DbgDotNetDispatcher dispatcher2, DbgEvaluationInfo evalInfo2) {
if (!dispatcher2.TryInvokeRethrow(() => GetValueCore(evalInfo2), out var result))
result = CreateError();
return result;
}
}
static DbgEngineValue CreateError() => new DbgEngineValueImpl(new DbgDotNetValueError());
DbgEngineValue GetValueCore(DbgEvaluationInfo evalInfo) {
var dnValue = runtime.GetValue(evalInfo, dnObjectId);
if (dnValue is null)
return CreateError();
try {
return new DbgEngineValueImpl(dnValue);
}
catch {
dnValue.Dispose();
throw;
}
}
protected override void CloseCore(DbgDispatcher dispatcher) => dnObjectId.Dispose();
}
}