First round of dead file removal

experimental/visual_studio_plugin/src/SymbolDBViewer/NexeLoader.cs

Index: experimental/visual_studio_plugin/src/SymbolDBViewer/NexeLoader.cs
diff --git a/experimental/visual_studio_plugin/src/SymbolDBViewer/NexeLoader.cs b/experimental/visual_studio_plugin/src/SymbolDBViewer/NexeLoader.cs
deleted file mode 100644
index 1175ad64ad35950c29f538e28f0b8802a1cf770f..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/src/SymbolDBViewer/NexeLoader.cs
+++ /dev/null
@@ -1,296 +0,0 @@
-// Copyright (c) 2011 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.
-
-#region
-
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Windows.Forms;
-using Google.NaClVsx.DebugSupport.DWARF;
-using NaClVsx;
-
-#endregion
-
-namespace SymbolDBViewer {
-  /// <summary>
-  ///   So far, this is the only real class in this app.  It contains a few
-  ///   controls and a TreeView of the contents of SymbolDatabase.
-  ///   The display components are:
-  ///   - A status display which is used to indicate load progress to the
-  ///   user (Bottom).
-  ///   - A fileName label which shows the name of the nexe file that is
-  ///   currently loaded (Top Left).
-  ///   The controls are:
-  ///   - A "Load Nexe" button to pick a file to examine.
-  ///   - A textfield and "Search" button to search through the Symbol Data.
-  ///   - A "Close All" button to close any expanded nodes.
-  ///   - A set of navigation controls to make iterating through search
-  ///   results easier, consiting of a back button, forward button, and a
-  ///   label to indicate the currently selected entry and the total number
-  ///   of hits.
-  /// </summary>
-  public partial class NexeLoader : Form {
-    /// <summary>
-    ///   The constructor initializes the data fields for the loadStatus
-    ///   indicator.
-    /// </summary>
-    public NexeLoader() {
-      InitializeComponent();
-      dieLoader_.DictionaryName = "DIEs";
-      fileLoader_.DictionaryName = "Files";
-      locationLoader_.DictionaryName = "Locations";
-      scopeTransitionLoader_.DictionaryName = "Scope Transitions";
-      locListLoader_.DictionaryName = "LocLists";
-      callFrameLoader_.DictionaryName = "Call Frames";
-    }
-
-    #region Private Implementation
-
-    /// <summary>
-    ///   A Container used to store nodes that match the user's search.
-    /// </summary>
-    private List<TreeNode> matchingNodes_;
-
-    /// <summary>
-    ///   The index that the searchNav control cluster is currently on.
-    /// </summary>
-    private int searchIndex_ = -1;
-
-    #endregion
-
-    #region Private Implementation
-
-    /// <summary>
-    ///   Searches through the tree and expands and collects any nodes that 
-    ///   match the search string.  The parents of any nodes that match are
-    ///   also expanded to ensure that the search results are all visible.
-    /// </summary>
-    /// <param name = "nodes">The set of starting nodes to examine.</param>
-    /// <param name = "searchString">The string to match against.</param>
-    /// <returns>A collection of nodes that have already been expanded and
-    ///   that match the search results.  In cases where parents and children
-    ///   both match, only the matching children are returned.</returns>
-    private static List<TreeNode> FindAndExpandMatchingNodes(
-        TreeNodeCollection nodes, string searchString) {
-      var matchingNodes = new List<TreeNode>();
-      for (var i = 0; i < nodes.Count; i++) {
-        var node = nodes[i];
-        // Doesn't add itself if it already has a matching child.
-        var matchingChildren = FindAndExpandMatchingNodes(
-            node.Nodes, searchString);
-        if (matchingChildren.Count > 0) {
-          matchingNodes.AddRange(matchingChildren);
-          node.Expand();
-        } else if (node.Text.Contains(searchString)) {
-          matchingNodes.Add(node);
-          node.Expand();
-        }
-      }
-      return matchingNodes;
-    }
-
-    /// <summary>
-    ///   An event handler that can be called when the users wants to close
-    ///   any open nodes in the TreeView.
-    /// </summary>
-    /// <param name = "sender">Unused.</param>
-    /// <param name = "e">Unused.</param>
-    private void CloseAllButtonClick(object sender, EventArgs e) {
-      symbolDbTreeView_.CollapseAll();
-    }
-
-    /// <summary>
-    ///   An event handler that can be called when the user wants to load a
-    ///   new nexe into the SymbolDBViewer.
-    /// </summary>
-    /// <param name = "sender">Unused.</param>
-    /// <param name = "e">Unused.</param>
-    private void HandleLoadButtonClick(object sender, EventArgs e) {
-      searchNavLabel_.Text = @"0/0";
-      nexeChooserDialog_.InitialDirectory =
-          Environment.GetEnvironmentVariable("NACL_VSX_ROOT");
-      // Show the dialog and get result.
-      var result = nexeChooserDialog_.ShowDialog();
-      if (result == DialogResult.OK) {
-        statusLabel_.Text = string.Format(
-            "Loading :" + nexeChooserDialog_.SafeFileName);
-        LoadNexeFile();
-        symbolDbTreeView_.BeginUpdate();
-        symbolDbTreeView_.Nodes.Clear();
-        symbolDbTreeView_.EndUpdate();
-
-        dieLoader_.Content = symbolDatabase_.Entries;
-        fileLoader_.Content = symbolDatabase_.Files;
-        locationLoader_.Content = symbolDatabase_.Locations;
-        scopeTransitionLoader_.Content = symbolDatabase_.ScopeTransitions;
-        callFrameLoader_.Content = symbolDatabase_.CallFrames;
-        locListLoader_.Content = symbolDatabase_.LocLists;
-
-        dieLoader_.RunWorkerAsync();
-        fileLoader_.RunWorkerAsync();
-        locationLoader_.RunWorkerAsync();
-        scopeTransitionLoader_.RunWorkerAsync();
-        callFrameLoader_.RunWorkerAsync();
-        locListLoader_.RunWorkerAsync();
-      }
-      Console.WriteLine(result); // <-- For debugging use only.
-    }
-
-    /// <summary>
-    ///   Checks all statuses to see if the nexe has finished loading.
-    /// </summary>
-    /// <returns>True if the TreeView is complete.  False, otherwise.
-    /// </returns>
-    private bool IsLoadingComplete() {
-      return (dieLoader_.DoneLoading() &&
-              fileLoader_.DoneLoading() &&
-              locationLoader_.DoneLoading() &&
-              scopeTransitionLoader_.DoneLoading() &&
-              callFrameLoader_.DoneLoading() &&
-              locListLoader_.DoneLoading());
-    }
-
-
-    /// <summary>
-    ///   Initializes a new SymbolDatabase with a given nexe.
-    /// </summary>
-    /// <param name = "filePath">Location of the nexe to use.</param>
-    /// <returns>true unless the nexe failed to load for some reason.
-    /// </returns>
-    bool LoadNexe(string filePath) {
-      try {
-        symbolDatabase_ = new SymbolDatabase();
-        DwarfParser.DwarfParseElf(
-            filePath, new DwarfReaderImpl(symbolDatabase_));
-        symbolDatabase_.BuildIndices();
-        return true;
-      }
-      catch (Exception) {
-        return false;
-      }
-    }
-
-    /// <summary>
-    ///   Loads the file most recently selected by the user in the
-    ///   FileChooser.
-    /// </summary>
-    void LoadNexeFile() {
-      var filePath = nexeChooserDialog_.FileName;
-      var fileName = nexeChooserDialog_.SafeFileName;
-      if (LoadNexe(filePath)) {
-        fileNameLabel_.Text = fileName + @": ";
-        Refresh();
-      }
-    }
-
-    /// <summary>
-    ///   Updates that status area on the bottom of the screen with the
-    ///   current progress in loading the SymbolData into the TreeView.
-    /// </summary>
-    /// <param name = "sender">The BackgroundWorker that is reporting progress.
-    /// </param>
-    /// <param name = "e">The progress report.</param>
-    private void PopulateNodesProgressChanged(object sender,
-                                              ProgressChangedEventArgs e) {
-      ReprintLoadProgress();
-    }
-
-    /// <summary>
-    ///   Prints the current load status for each of the tables that is]
-    ///   represented in our TreeView.
-    /// </summary>
-    private void ReprintLoadProgress() {
-      statusLabel_.Text = string.Format(
-          "Loading Progress: DIEs: {0}% Files: {1}% Locations: {2}% Scope Transitions: {3}% Call Frames: {4}% Loc Lists: {5}%",
-          dieLoader_.LoadPercentage,
-          fileLoader_.LoadPercentage,
-          locationLoader_.LoadPercentage,
-          scopeTransitionLoader_.LoadPercentage,
-          callFrameLoader_.LoadPercentage,
-          locListLoader_.LoadPercentage);
-    }
-
-    /// <summary>
-    ///   Runs a search on the symbolDbTreeView_ for any text the user has
-    ///   entered in the search text box.
-    /// </summary>
-    /// <param name = "sender">Unused.</param>
-    /// <param name = "e">Unused.</param>
-    private void SearchButtonClick(object sender, EventArgs e) {
-      var searchString = searchTextBox_.Text;
-      symbolDbTreeView_.BeginUpdate();
-      matchingNodes_ = FindAndExpandMatchingNodes(
-          symbolDbTreeView_.Nodes, searchString);
-      symbolDbTreeView_.EndUpdate();
-      if (matchingNodes_.Count > 0) {
-        searchIndex_ = 0;
-        UpdateSearchNavLabel();
-      } else {
-        searchNavLabel_.Text = @"0/0";
-      }
-    }
-
-    /// <summary>
-    ///   Navigates one step forward in the search results.
-    /// </summary>
-    /// <param name = "sender">Unused.</param>
-    /// <param name = "e">Unused.</param>
-    private void SearchNavBackButtonClick(object sender, EventArgs e) {
-      if (searchIndex_ > 0) {
-        --searchIndex_;
-        UpdateSearchNavLabel();
-      }
-    }
-
-    /// <summary>
-    ///   Navigates one step backward in the search results.
-    /// </summary>
-    /// <param name = "sender">Unused.</param>
-    /// <param name = "e">Unused.</param>
-    private void SearchNavForwardButtonClick(object sender, EventArgs e) {
-      if (searchIndex_ + 1 < matchingNodes_.Count) {
-        ++searchIndex_;
-        UpdateSearchNavLabel();
-      }
-    }
-
-    /// <summary>
-    ///   Updates the Display to indicate which search result is currently
-    ///   selected.
-    /// </summary>
-    private void UpdateSearchNavLabel() {
-      symbolDbTreeView_.SelectedNode = matchingNodes_[searchIndex_];
-      searchNavLabel_.Text = string.Format(
-          "{0}/{1}", searchIndex_ + 1, matchingNodes_.Count);
-    }
-
-    /// <summary>
-    ///   Updates the TreeView when a DictionaryLoader worker finishes
-    ///   creating the subtree it is responsible for.
-    /// </summary>
-    /// <param name = "sender">The DictionaryLoader that has just finished.
-    /// </param>
-    /// <param name = "e">The output of the DictionaryLoader, which contains
-    ///   the finished subtree.</param>
-    private void UpdateTreeView(object sender,
-                                RunWorkerCompletedEventArgs e) {
-      ReprintLoadProgress();
-      var node = e.Result as TreeNode;
-      if (node != null) {
-        symbolDbTreeView_.BeginUpdate();
-        symbolDbTreeView_.Nodes.Add(node);
-        symbolDbTreeView_.EndUpdate();
-        if (IsLoadingComplete()) {
-          statusLabel_.Text = @"Loading Complete.";
-        }
-      } else {
-        throw new Exception(
-            "UpdateTreeView Failed because node was null!");
-      }
-    }
-
-    #endregion
-  }
-}