100 lines
3.9 KiB
C#
100 lines
3.9 KiB
C#
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/*
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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.ComponentModel.Composition;
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using System.Text;
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using dnSpy.Contracts.Debugger;
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using dnSpy.Contracts.Debugger.DotNet.Evaluation;
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using dnSpy.Contracts.Debugger.DotNet.Evaluation.ExpressionCompiler;
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using dnSpy.Contracts.Debugger.Evaluation;
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using dnSpy.Contracts.Debugger.Text;
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using dnSpy.Debugger.DotNet.Metadata;
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namespace dnSpy.Debugger.DotNet.Evaluation.Engine {
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abstract class DbgAliasProvider {
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public abstract (DbgDotNetAlias[] aliases, DmdType[] typeReferences) GetAliases(DbgEvaluationInfo evalInfo);
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}
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[Export(typeof(DbgAliasProvider))]
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sealed class DbgAliasProviderImpl : DbgAliasProvider {
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readonly DbgObjectIdService objectIdService;
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[ImportingConstructor]
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DbgAliasProviderImpl(DbgObjectIdService objectIdService) => this.objectIdService = objectIdService;
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public override (DbgDotNetAlias[] aliases, DmdType[] typeReferences) GetAliases(DbgEvaluationInfo evalInfo) {
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var runtime = evalInfo.Runtime.GetDotNetRuntime();
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var objectIds = objectIdService.GetObjectIds(evalInfo.Runtime);
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var aliases = runtime.GetAliases(evalInfo);
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if (objectIds.Length == 0 && aliases.Length == 0)
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return (Array.Empty<DbgDotNetAlias>(), Array.Empty<DmdType>());
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var res = new DbgDotNetAlias[objectIds.Length + aliases.Length];
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var typeReferences = new DmdType[res.Length];
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StringBuilder? sb = ObjectCache.AllocStringBuilder();
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var output = new DbgStringBuilderTextWriter(sb);
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int w = 0;
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foreach (var alias in aliases) {
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output.Reset();
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DbgDotNetAliasKind dnAliasKind;
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string aliasName;
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switch (alias.Kind) {
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case DbgDotNetAliasInfoKind.Exception:
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dnAliasKind = DbgDotNetAliasKind.Exception;
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evalInfo.Context.Language.Formatter.FormatExceptionName(evalInfo.Context, output, alias.Id);
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aliasName = sb.ToString();
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break;
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case DbgDotNetAliasInfoKind.StowedException:
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dnAliasKind = DbgDotNetAliasKind.StowedException;
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evalInfo.Context.Language.Formatter.FormatStowedExceptionName(evalInfo.Context, output, alias.Id);
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aliasName = sb.ToString();
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break;
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case DbgDotNetAliasInfoKind.ReturnValue:
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dnAliasKind = DbgDotNetAliasKind.ReturnValue;
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evalInfo.Context.Language.Formatter.FormatReturnValueName(evalInfo.Context, output, alias.Id);
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aliasName = sb.ToString();
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break;
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default:
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throw new InvalidOperationException();
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}
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res[w] = new DbgDotNetAlias(dnAliasKind, alias.Type.AssemblyQualifiedName ?? string.Empty, aliasName, alias.CustomTypeInfoId, alias.CustomTypeInfo);
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typeReferences[w] = alias.Type;
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w++;
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}
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foreach (var objectId in objectIds) {
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output.Reset();
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var value = objectId.GetValue(evalInfo);
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var dnValue = (DbgDotNetValue)value.InternalValue;
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evalInfo.Context.Language.Formatter.FormatObjectIdName(evalInfo.Context, output, objectId.Id);
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res[w] = new DbgDotNetAlias(DbgDotNetAliasKind.ObjectId, dnValue.Type.AssemblyQualifiedName ?? string.Empty, sb.ToString(), Guid.Empty, null);
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typeReferences[w] = dnValue.Type;
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w++;
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value.Close();
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}
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if (w != res.Length || w != typeReferences.Length)
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throw new InvalidOperationException();
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ObjectCache.Free(ref sb);
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return (res, typeReferences);
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}
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}
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}
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