First round of dead file removal

experimental/visual_studio_plugin/src/MsAd7.BaseImpl/BreakpointRequest.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.Runtime.InteropServices;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Debugger.Interop;
-
-namespace Google.MsAd7.BaseImpl {
-  /// <summary>
-  /// For documentation of IDebugBreakpointRequest2 members, please see the VS 2008 MSDN
-  /// documentation.
-  /// </summary>
-  public class BreakpointRequest : IDebugBreakpointRequest2
-  {
-    /// <summary>
-    /// Allows our implementation of the Debug Engine to construct an implemenation of this
-    /// interface that is specific to our purpose, from the interface whose implementation is
-    /// opaque to us.
-    /// </summary>
-    /// <param name="rq">A breakpoint request whose implementation is opaque to this class.</param>
-    public BreakpointRequest(IDebugBreakpointRequest2 rq) {
-      var loctype = new enum_BP_LOCATION_TYPE[1];
-      rq.GetLocationType(loctype);
-      locationType_ = loctype[0];
-
-      var inf = new BP_REQUEST_INFO[1];
-      rq.GetRequestInfo(
-          enum_BPREQI_FIELDS.BPREQI_ALLFIELDS,
-          inf);
-      requestInfo_ = inf[0];
-
-      //
-      // BP_LOCATIONis a discriminated union in C+, and seems to
-      // have been ported to C# rather carelessly. This code follows
-      // the instructions in the MSDN docs at
-      // http://msdn.microsoft.com/en-us/library/bb162191(v=VS.80).aspx
-      //
-      if ((locationType_ & enum_BP_LOCATION_TYPE.BPLT_FILE_LINE) != 0) {
-        DocPos =
-            new DocumentPosition(
-                (IDebugDocumentPosition2)
-                Marshal.GetObjectForIUnknown(
-                    requestInfo_.bpLocation.unionmember2));
-      } else {
-        throw new ArgumentException("Unsupported breakpoint location type");
-      }
-    }
-
-    public enum_BP_LOCATION_TYPE LocationType {
-      get { return locationType_; }
-    }
-
-    public BP_REQUEST_INFO RequestInfo {
-      get { return requestInfo_; }
-    }
-
-    public DocumentPosition DocPos { get; set; }
-
-    #region Implementation of IDebugBreakpointRequest2
-
-    public int GetLocationType(enum_BP_LOCATION_TYPE[] pBPLocationType) {
-      pBPLocationType[0] = locationType_;
-      return VSConstants.S_OK;
-    }
-
-    public int GetRequestInfo(enum_BPREQI_FIELDS dwFields,
-                              BP_REQUEST_INFO[] pBPRequestInfo) {
-      pBPRequestInfo[0] = requestInfo_;
-      return VSConstants.S_OK;
-    }
-
-    #endregion
-
-    #region Private Implementation
-
-    private readonly enum_BP_LOCATION_TYPE locationType_ =
-        enum_BP_LOCATION_TYPE.BPLT_NONE;
-
-    private readonly BP_REQUEST_INFO requestInfo_;
-
-    #endregion
-  }
-}