143 lines
3.4 KiB
C#
143 lines
3.4 KiB
C#
//
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// Author:
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// Jb Evain (jbevain@gmail.com)
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//
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// Copyright (c) 2008 - 2015 Jb Evain
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// Copyright (c) 2008 - 2011 Novell, Inc.
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//
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// Licensed under the MIT/X11 license.
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//
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.SymbolStore;
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using Mono.Cecil.Cil;
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using Mono.Collections.Generic;
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#if !READ_ONLY
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namespace Mono.Cecil.Pdb {
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public class NativePdbWriter : Cil.ISymbolWriter {
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readonly ModuleDefinition module;
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readonly SymWriter writer;
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readonly Dictionary<string, SymDocumentWriter> documents;
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internal NativePdbWriter (ModuleDefinition module, SymWriter writer)
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{
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this.module = module;
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this.writer = writer;
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this.documents = new Dictionary<string, SymDocumentWriter> ();
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}
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public bool GetDebugHeader (out ImageDebugDirectory directory, out byte [] header)
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{
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header = writer.GetDebugInfo (out directory);
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return true;
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}
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public void Write (MethodDebugInformation info)
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{
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var method_token = info.method.MetadataToken;
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var sym_token = new SymbolToken (method_token.ToInt32 ());
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writer.OpenMethod (sym_token);
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if (!info.sequence_points.IsNullOrEmpty ())
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DefineSequencePoints (info.sequence_points);
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if (info.scope != null)
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DefineScope (info.scope, info);
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writer.CloseMethod ();
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}
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void DefineScope (ScopeDebugInformation scope, MethodDebugInformation info)
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{
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var start_offset = scope.Start.Offset;
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var end_offset = scope.End.IsEndOfMethod
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? info.code_size
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: scope.End.Offset;
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writer.OpenScope (start_offset);
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var sym_token = new SymbolToken (info.local_var_token.ToInt32 ());
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if (!scope.variables.IsNullOrEmpty ()) {
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for (int i = 0; i < scope.variables.Count; i++) {
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var variable = scope.variables [i];
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CreateLocalVariable (variable, sym_token, start_offset, end_offset);
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}
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}
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if (!scope.scopes.IsNullOrEmpty ()) {
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for (int i = 0; i < scope.scopes.Count; i++)
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DefineScope (scope.scopes [i], info);
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}
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writer.CloseScope (end_offset);
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}
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void DefineSequencePoints (Collection<SequencePoint> sequence_points)
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{
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for (int i = 0; i < sequence_points.Count; i++) {
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var sequence_point = sequence_points [i];
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writer.DefineSequencePoints (
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GetDocument (sequence_point.Document),
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new [] { sequence_point.Offset },
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new [] { sequence_point.StartLine },
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new [] { sequence_point.StartColumn },
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new [] { sequence_point.EndLine },
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new [] { sequence_point.EndColumn });
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}
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}
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void CreateLocalVariable (VariableDebugInformation variable, SymbolToken local_var_token, int start_offset, int end_offset)
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{
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writer.DefineLocalVariable2 (
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variable.Name,
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variable.Attributes,
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local_var_token,
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SymAddressKind.ILOffset,
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variable.Index,
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0,
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0,
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start_offset,
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end_offset);
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}
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SymDocumentWriter GetDocument (Document document)
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{
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if (document == null)
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return null;
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SymDocumentWriter doc_writer;
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if (documents.TryGetValue (document.Url, out doc_writer))
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return doc_writer;
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doc_writer = writer.DefineDocument (
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document.Url,
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document.Language.ToGuid (),
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document.LanguageVendor.ToGuid (),
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document.Type.ToGuid ());
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documents [document.Url] = doc_writer;
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return doc_writer;
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}
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public void Dispose ()
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{
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var entry_point = module.EntryPoint;
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if (entry_point != null)
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writer.SetUserEntryPoint (new SymbolToken (entry_point.MetadataToken.ToInt32 ()));
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writer.Close ();
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}
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}
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}
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#endif
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