First round of dead file removal

experimental/visual_studio_plugin/src/MsAd7.BaseImpl/DocumentContext.cs

-// Copyright 2010 The Native Client Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can
-// be found in the LICENSE file.
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using Google.MsAd7.BaseImpl.Ad7Enumerators;
-using Google.MsAd7.BaseImpl.Interfaces;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Debugger.Interop;
-
-namespace Google.MsAd7.BaseImpl {
-  /// <summary>
-  /// For documentation of IDebugDocumentContext2 members, please see the VS 2008 MSDN
-  /// documentation.
-  /// </summary>
-  public class DocumentContext : IDebugDocumentContext2
-  {
-    public DocumentContext(string path, uint line, uint column) {
-      path_ = path;
-      line_ = line;
-      column_ = column;
-    }
-
-    public DocumentContext(DocumentPosition pos) {
-      path_ = pos.Path;
-      line_ = pos.BeginPos.dwLine;
-      column_ = pos.BeginPos.dwColumn;
-    }
-
-    public string Path {
-      get { return path_; }
-      set { path_ = value; }
-    }
-
-    public uint Line {
-      get { return line_; }
-      set { line_ = value; }
-    }
-
-    public uint Column {
-      get { return column_; }
-      set { column_ = value; }
-    }
-
-    public IList<CodeContext> CodeContexts {
-      get { return codeContexts_; }
-    }
-
-    /// <summary>
-    /// This generator helps with conversion between addresses and code locations.
-    /// </summary>
-    /// <param name="addr">The address of the desired DocumentContext in the code.</param>
-    /// <param name="dbg">The debugger which should be queried to obtain a code location.</param>
-    /// <returns>The DocumentContext corresponding to addr or null.</returns>
-    public static DocumentContext FromAddress(UInt64 addr, ISimpleDebugger dbg) {
-      DocumentPosition pos = dbg.Symbols.PositionFromAddress(addr);
-      if (pos == null) {
-        return null;
-      }
-
-      var result = new DocumentContext(pos);
-
-      IEnumerable<ulong> addrs = dbg.Symbols.AddressesFromPosition(pos);
-      foreach (ulong a in addrs) {
-        pos = dbg.Symbols.PositionFromAddress(a);
-        var cc = new CodeContext(
-            string.Format("{0}:{1}", pos.Path, pos.BeginPos.dwLine),
-            a,
-            1,
-            result);
-        result.AddCodeContext(cc);
-      }
-
-      return result;
-    }
-
-    /// <summary>
-    /// A document context can contain of many CodeContext instances.
-    /// </summary>
-    /// <param name="ctx">A CodeContext to be added to this document context.</param>
-    public void AddCodeContext(CodeContext ctx) {
-      if (!codeContexts_.Contains(ctx)) {
-        codeContexts_.Add(ctx);
-      }
-    }
-
-    #region Implementation of IDebugDocumentContext2
-
-    public int GetDocument(out IDebugDocument2 ppDocument) {
-      Debug.WriteLine("DocumentContext.GetDocument");
-
-      // According to MSDN, we don't implement this unless we supply a
-      // custom document type.
-      ppDocument = null;
-      return VSConstants.S_FALSE;
-    }
-
-    public int GetName(enum_GETNAME_TYPE gnType, out string pbstrFileName) {
-      Debug.WriteLine("DocumentContext.GetName");
-
-      pbstrFileName = path_;
-      return VSConstants.S_OK;
-    }
-
-    public int EnumCodeContexts(out IEnumDebugCodeContexts2 ppEnumCodeCxts) {
-      Debug.WriteLine("DocumentContext.EnumCodeContexts");
-      ppEnumCodeCxts =
-          new CodeContextEnumerator(
-              codeContexts_.ConvertAll(e => (IDebugCodeContext2) e));
-      return VSConstants.S_OK;
-    }
-
-    public int GetLanguageInfo(ref string pbstrLanguage, ref Guid pguidLanguage) {
-      Debug.WriteLine("DocumentContext.GetLanguageInfo");
-
-      // For now, just assume C/C++
-      pbstrLanguage = "C++";
-      pguidLanguage = Guids.guidLanguageCpp;
-      return VSConstants.S_OK;
-    }
-
-    public int GetStatementRange(TEXT_POSITION[] pBegPosition,
-                                 TEXT_POSITION[] pEndPosition) {
-      Debug.WriteLine("DocumentContext.GetStatementRange");
-      pBegPosition[0].dwLine = line_;
-      pBegPosition[0].dwColumn = column_;
-      pEndPosition[0].dwLine = line_;
-      pEndPosition[0].dwColumn = column_;
-      return VSConstants.S_OK;
-    }
-
-    public int GetSourceRange(TEXT_POSITION[] pBegPosition,
-                              TEXT_POSITION[] pEndPosition) {
-      Debug.WriteLine("DocumentContext.GetSourceRange");
-      pBegPosition[0].dwLine = line_;
-      pBegPosition[0].dwColumn = column_;
-      pEndPosition[0].dwLine = line_;
-      pEndPosition[0].dwColumn = column_;
-      return VSConstants.S_OK;
-    }
-
-    public int Compare(enum_DOCCONTEXT_COMPARE compare,
-                       IDebugDocumentContext2[] rgpDocContextSet,
-                       uint dwDocContextSetLen,
-                       out uint pdwDocContext) {
-      Debug.WriteLine("DocumentContext.Compare");
-      throw new NotImplementedException();
-    }
-
-    public int Seek(int nCount, out IDebugDocumentContext2 ppDocContext) {
-      Debug.WriteLine("DocumentContext.Seek");
-
-      // Seek only needs to be implemented if we're trying to support a
-      // nontraditional document format.
-      ppDocContext = null;
-      return VSConstants.E_NOTIMPL;
-    }
-
-    #endregion
-
-    #region Private Implementation
-
-    readonly List<CodeContext> codeContexts_ = new List<CodeContext>();
-    uint column_;
-    uint line_;
-    string path_;
-
-    #endregion
-  }
-}