DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (b6d82b1a6b02)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsWindowSizes_h
#define nsWindowSizes_h

#include "mozilla/Assertions.h"
#include "mozilla/PodOperations.h"
#include "mozilla/SizeOfState.h"

class nsTabSizes {
 public:
  enum Kind {
    DOM,    // DOM stuff.
    Style,  // Style stuff.
    Other   // Everything else.
  };

  nsTabSizes() : mDom(0), mStyle(0), mOther(0) {}

  void add(Kind kind, size_t n) {
    switch (kind) {
      case DOM:
        mDom += n;
        break;
      case Style:
        mStyle += n;
        break;
      case Other:
        mOther += n;
        break;
      default:
        MOZ_CRASH("bad nsTabSizes kind");
    }
  }

  size_t mDom;
  size_t mStyle;
  size_t mOther;
};

#define ZERO_SIZE(kind, mSize) mSize(0),
#define ADD_TO_TAB_SIZES(kind, mSize) aSizes->add(nsTabSizes::kind, mSize);
#define ADD_TO_TOTAL_SIZE(kind, mSize) total += mSize;
#define DECL_SIZE(kind, mSize) size_t mSize;

#define NS_STYLE_SIZES_FIELD(name_) mStyle##name_

struct nsStyleSizes {
  nsStyleSizes()
      :
#define STYLE_STRUCT(name_) NS_STYLE_SIZES_FIELD(name_)(0),
#include "nsStyleStructList.h"
#undef STYLE_STRUCT

        dummy() {
  }

  void addToTabSizes(nsTabSizes* aSizes) const {
#define STYLE_STRUCT(name_) \
  aSizes->add(nsTabSizes::Style, NS_STYLE_SIZES_FIELD(name_));
#include "nsStyleStructList.h"
#undef STYLE_STRUCT
  }

  size_t getTotalSize() const {
    size_t total = 0;

#define STYLE_STRUCT(name_) total += NS_STYLE_SIZES_FIELD(name_);
#include "nsStyleStructList.h"
#undef STYLE_STRUCT

    return total;
  }

#define STYLE_STRUCT(name_) size_t NS_STYLE_SIZES_FIELD(name_);
#include "nsStyleStructList.h"
#undef STYLE_STRUCT

  // Present just to absorb the trailing comma in the constructor.
  int dummy;
};

#define NS_ARENA_SIZES_FIELD(classname) mArena##classname

struct nsArenaSizes {
  nsArenaSizes()
      :
#define PRES_ARENA_OBJECT(name_) NS_ARENA_SIZES_FIELD(name_)(0),
#define DISPLAY_LIST_ARENA_OBJECT(name_) PRES_ARENA_OBJECT(name_)
#include "nsPresArenaObjectList.h"
#include "nsDisplayListArenaTypes.h"
#undef PRES_ARENA_OBJECT
#undef DISPLAY_LIST_ARENA_OBJECT
        dummy() {
  }

  void addToTabSizes(nsTabSizes* aSizes) const {
#define PRES_ARENA_OBJECT(name_) \
  aSizes->add(nsTabSizes::Other, NS_ARENA_SIZES_FIELD(name_));
#define DISPLAY_LIST_ARENA_OBJECT(name_) PRES_ARENA_OBJECT(name_)
#include "nsPresArenaObjectList.h"
#include "nsDisplayListArenaTypes.h"
#undef PRES_ARENA_OBJECT
#undef DISPLAY_LIST_ARENA_OBJECT
  }

  size_t getTotalSize() const {
    size_t total = 0;

#define PRES_ARENA_OBJECT(name_) total += NS_ARENA_SIZES_FIELD(name_);
#define DISPLAY_LIST_ARENA_OBJECT(name_) PRES_ARENA_OBJECT(name_)
#include "nsPresArenaObjectList.h"
#include "nsDisplayListArenaTypes.h"
#undef PRES_ARENA_OBJECT
#undef DISPLAY_LIST_ARENA_OBJECT

    return total;
  }

#define PRES_ARENA_OBJECT(name_) size_t NS_ARENA_SIZES_FIELD(name_);
#define DISPLAY_LIST_ARENA_OBJECT(name_) PRES_ARENA_OBJECT(name_)
#include "nsPresArenaObjectList.h"
#include "nsDisplayListArenaTypes.h"
#undef PRES_ARENA_OBJECT
#undef DISPLAY_LIST_ARENA_OBJECT

  // Present just to absorb the trailing comma in the constructor.
  int dummy;
};

class nsWindowSizes {
#define FOR_EACH_SIZE(MACRO)                                 \
  MACRO(DOM, mDOMElementNodesSize)                           \
  MACRO(DOM, mDOMTextNodesSize)                              \
  MACRO(DOM, mDOMCDATANodesSize)                             \
  MACRO(DOM, mDOMCommentNodesSize)                           \
  MACRO(DOM, mDOMEventTargetsSize)                           \
  MACRO(DOM, mDOMMediaQueryLists)                            \
  MACRO(DOM, mDOMPerformanceUserEntries)                     \
  MACRO(DOM, mDOMPerformanceResourceEntries)                 \
  MACRO(DOM, mDOMOtherSize)                                  \
  MACRO(Style, mLayoutStyleSheetsSize)                       \
  MACRO(Style, mLayoutShadowDomStyleSheetsSize)              \
  MACRO(Style, mLayoutShadowDomAuthorStyles)                 \
  MACRO(Other, mLayoutPresShellSize)                         \
  MACRO(Other, mLayoutRetainedDisplayListSize)               \
  MACRO(Style, mLayoutStyleSetsStylistRuleTree)              \
  MACRO(Style, mLayoutStyleSetsStylistElementAndPseudosMaps) \
  MACRO(Style, mLayoutStyleSetsStylistInvalidationMap)       \
  MACRO(Style, mLayoutStyleSetsStylistRevalidationSelectors) \
  MACRO(Style, mLayoutStyleSetsStylistOther)                 \
  MACRO(Style, mLayoutStyleSetsOther)                        \
  MACRO(Style, mLayoutElementDataObjects)                    \
  MACRO(Other, mLayoutTextRunsSize)                          \
  MACRO(Other, mLayoutPresContextSize)                       \
  MACRO(Other, mLayoutFramePropertiesSize)                   \
  MACRO(Style, mLayoutComputedValuesDom)                     \
  MACRO(Style, mLayoutComputedValuesNonDom)                  \
  MACRO(Style, mLayoutComputedValuesVisited)                 \
  MACRO(Style, mLayoutSvgMappedDeclarations)                 \
  MACRO(Other, mPropertyTablesSize)                          \
  MACRO(Other, mBindingsSize)

 public:
  explicit nsWindowSizes(mozilla::SizeOfState& aState)
      : FOR_EACH_SIZE(ZERO_SIZE) mDOMEventTargetsCount(0),
        mDOMEventListenersCount(0),
        mArenaSizes(),
        mStyleSizes(),
        mState(aState) {}

  void addToTabSizes(nsTabSizes* aSizes) const {
    FOR_EACH_SIZE(ADD_TO_TAB_SIZES)
    mArenaSizes.addToTabSizes(aSizes);
    mStyleSizes.addToTabSizes(aSizes);
  }

  size_t getTotalSize() const {
    size_t total = 0;

    FOR_EACH_SIZE(ADD_TO_TOTAL_SIZE)
    total += mArenaSizes.getTotalSize();
    total += mStyleSizes.getTotalSize();

    return total;
  }

  FOR_EACH_SIZE(DECL_SIZE);

  uint32_t mDOMEventTargetsCount;
  uint32_t mDOMEventListenersCount;

  nsArenaSizes mArenaSizes;

  nsStyleSizes mStyleSizes;

  mozilla::SizeOfState& mState;

#undef FOR_EACH_SIZE
};

#undef ZERO_SIZE
#undef ADD_TO_TAB_SIZES
#undef ADD_TO_TOTAL_SIZE
#undef DECL_SIZE

#endif  // nsWindowSizes_h