83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Linq;
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using dnSpy.Contracts.Debugger.DotNet.Evaluation.ValueNodes;
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using dnSpy.Contracts.Debugger.DotNet.Text;
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using dnSpy.Contracts.Debugger.Evaluation;
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namespace dnSpy.Roslyn.Debugger.ValueNodes {
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sealed class AggregateValueNodeProvider : DbgDotNetValueNodeProvider {
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public override DbgDotNetText Name => providers[0].Name;
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public override string Expression => providers[0].Expression;
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public override string ImageName => providers[0].ImageName;
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public override bool? HasChildren => true;
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readonly DbgDotNetValueNodeProvider[] providers;
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public AggregateValueNodeProvider(DbgDotNetValueNodeProvider[] providers) {
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Debug.Assert(providers.Length > 1);
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this.providers = providers;
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}
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public override ulong GetChildCount(DbgEvaluationInfo evalInfo) =>
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providers[0].GetChildCount(evalInfo) + (uint)(providers.Length - 1);
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public override DbgDotNetValueNode[] GetChildren(LanguageValueNodeFactory valueNodeFactory, DbgEvaluationInfo evalInfo, ulong index, int count, DbgValueNodeEvaluationOptions options, ReadOnlyCollection<string>? formatSpecifiers) {
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if (count == 0)
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return Array.Empty<DbgDotNetValueNode>();
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var first = providers[0];
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ulong childCount = first.GetChildCount(evalInfo);
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if (index + (uint)count <= childCount)
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return first.GetChildren(valueNodeFactory, evalInfo, index, count, options, formatSpecifiers);
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var res = new DbgDotNetValueNode[count];
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try {
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int w = 0;
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if (index < childCount) {
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var tmp = first.GetChildren(valueNodeFactory, evalInfo, index, (int)(childCount - index), options, formatSpecifiers);
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Array.Copy(tmp, res, tmp.Length);
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w += tmp.Length;
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}
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for (int i = (int)(index - childCount) + 1; i < providers.Length && w < count; i++) {
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evalInfo.CancellationToken.ThrowIfCancellationRequested();
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var provider = providers[i];
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res[w++] = valueNodeFactory.Create(evalInfo, provider.Name, provider, formatSpecifiers, options, provider.Expression, provider.ImageName, provider.ValueText);
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}
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if (w != res.Length)
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throw new InvalidOperationException();
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return res;
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}
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catch {
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evalInfo.Context.Runtime.Process.DbgManager.Close(res.Where(a => a is not null));
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throw;
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}
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}
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public override void Dispose() {
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foreach (var p in providers)
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p.Dispose();
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}
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}
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}
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