First round of dead file removal

experimental/visual_studio_plugin/src/NaClVsx.Package/DebugSupport/DWARF/DebugInfoEntry.cs

-// 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.Collections.Generic;
-using NaClVsx;
-
-#endregion
-
-namespace Google.NaClVsx.DebugSupport.DWARF {
-  /// <summary>
-  ///   Represent a debug information entry.
-  /// </summary>
-  public class DebugInfoEntry {
-    /// <summary>
-    ///   Adds a RangeListEntry for a given address, provided the DIE doesn't already contain one
-    ///   for that address.
-    /// </summary>
-    /// <param name = "address">The address.  Note that this list is expected to be the address at
-    ///   runtime, not just the LowPC values from the rangeListEntry.</param>
-    /// <param name = "rangeListEntry">The RangeList entry to be added to this DIE.</param>
-    public void AddRangeListEntryByAddress(ulong address, RangeListEntry rangeListEntry) {
-      if (!RangeListsByAddress.ContainsKey(address)) {
-        RangeListsByAddress.Add(address, rangeListEntry);
-      }
-    }
-
-    /// <summary>
-    ///   Gets the nearest ancestor of this DIE with a requested DwarfTag.
-    /// </summary>
-    /// <param name = "tag">The tag that must be matched.</param>
-    /// <returns>The innermost DIE that has the requested DwarfTag.  If this
-    ///   DIE matches it returns itself.  If no ancestor matches, the function
-    ///   will return NULL.</returns>
-    public DebugInfoEntry GetNearestAncestorWithTag(DwarfTag tag) {
-      var target = this;
-      while (target.Tag != tag && target.OuterScope != null) {
-        target = target.OuterScope;
-      }
-      if (target.Tag != tag) {
-        return null;
-      }
-      return target;
-    }
-
-    /// <summary>
-    ///   Gets the Frame Base address if this DIE has one.
-    /// </summary>
-    /// <returns>The frame base address or 0 if this DIE doesn't have one.
-    /// </returns>
-    public ulong GetFrameBase() {
-      return (ulong) Attributes.GetValueOrDefault(
-          DwarfAttribute.DW_AT_frame_base, (ulong) 0);
-    }
-
-    /// <summary>
-    ///   Gets the LowPC address if this DIE has one.
-    /// </summary>
-    /// <returns>The frame base address or 0 if this DIE doesn't have one.
-    /// </returns>
-    public ulong GetLowPC() {
-      return (ulong) Attributes.GetValueOrDefault(
-          DwarfAttribute.DW_AT_low_pc, (ulong) 0);
-    }
-
-    /// <summary>
-    ///   Gets the offset of this DIE's ranges entry in.  The offset can be used as a key to
-    ///   retrieve the ranges entry from the SymbolDatabase.
-    /// </summary>
-    /// <returns>The offset if this DIE has a ranges entry, ulong.MaxValue if it doesn't.
-    /// </returns>
-    public ulong GetRangesOffset() {
-      return (ulong) Attributes.GetValueOrDefault(
-          DwarfAttribute.DW_AT_ranges, ulong.MaxValue);
-    }
-
-    /// <summary>
-    ///   Determines whether this DebugInformationEntry has an ancestor whose key is
-    ///   |ancestorKey|.
-    /// </summary>
-    /// <param name = "ancestorKey">The key of the possible ancestor's entry in the symbol
-    ///   database.</param>
-    /// <returns>True iff this DIE has an ancestor with key |ancestorKey|.</returns>
-    public bool HasAsAncestor(ulong ancestorKey) {
-      var ancestor = OuterScope;
-      while (ancestor != null) {
-        if (ancestor.Key == ancestorKey) {
-          return true;
-        }
-        ancestor = ancestor.OuterScope;
-      }
-      return false;
-    }
-
-    /// <summary>
-    ///   Checks whether this DIE has a given attribute.  Different DIEs have different
-    ///   attributes.  For a complete list, see NaClVsx.DebugHelpers\DwarfParser.h
-    /// </summary>
-    /// <param name = "attribute">The attribute to be checked.</param>
-    /// <returns>True iff this DIE has the given attribute.</returns>
-    public bool HasAttribute(DwarfAttribute attribute) {
-      return Attributes.ContainsKey(attribute);
-    }
-
-    public ulong Key;
-    public DwarfTag Tag;
-    public ulong ParentKey;
-    public DebugInfoEntry OuterScope;
-
-    public Dictionary<DwarfAttribute, object> Attributes =
-        new Dictionary<DwarfAttribute, object>();
-
-    public Dictionary<ulong, RangeListEntry> RangeListsByAddress =
-        new Dictionary<ulong, RangeListEntry>();
-  }
-}