layout/base/nsArenaMemoryStats.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef nsArenaMemoryStats_h
michael@0 8 #define nsArenaMemoryStats_h
michael@0 9
michael@0 10 #include "mozilla/Assertions.h"
michael@0 11 #include "mozilla/PodOperations.h"
michael@0 12
michael@0 13 class nsTabSizes {
michael@0 14 public:
michael@0 15 enum Kind {
michael@0 16 DOM, // DOM stuff.
michael@0 17 Style, // Style stuff.
michael@0 18 Other // Everything else.
michael@0 19 };
michael@0 20
michael@0 21 nsTabSizes() { mozilla::PodZero(this); }
michael@0 22
michael@0 23 void add(Kind kind, size_t n)
michael@0 24 {
michael@0 25 switch (kind) {
michael@0 26 case DOM: mDom += n; break;
michael@0 27 case Style: mStyle += n; break;
michael@0 28 case Other: mOther += n; break;
michael@0 29 default: MOZ_CRASH("bad nsTabSizes kind");
michael@0 30 }
michael@0 31 }
michael@0 32
michael@0 33 size_t mDom;
michael@0 34 size_t mStyle;
michael@0 35 size_t mOther;
michael@0 36 };
michael@0 37
michael@0 38 #define FRAME_ID_STAT_FIELD(classname) mArena##classname
michael@0 39
michael@0 40 struct nsArenaMemoryStats {
michael@0 41 #define FOR_EACH_SIZE(macro) \
michael@0 42 macro(Other, mLineBoxes) \
michael@0 43 macro(Style, mRuleNodes) \
michael@0 44 macro(Style, mStyleContexts) \
michael@0 45 macro(Other, mOther)
michael@0 46
michael@0 47 nsArenaMemoryStats()
michael@0 48 :
michael@0 49 #define ZERO_SIZE(kind, mSize) mSize(0),
michael@0 50 FOR_EACH_SIZE(ZERO_SIZE)
michael@0 51 #undef ZERO_SIZE
michael@0 52 #define FRAME_ID(classname) FRAME_ID_STAT_FIELD(classname)(),
michael@0 53 #include "nsFrameIdList.h"
michael@0 54 #undef FRAME_ID
michael@0 55 dummy()
michael@0 56 {}
michael@0 57
michael@0 58 void addToTabSizes(nsTabSizes *sizes) const
michael@0 59 {
michael@0 60 #define ADD_TO_TAB_SIZES(kind, mSize) sizes->add(nsTabSizes::kind, mSize);
michael@0 61 FOR_EACH_SIZE(ADD_TO_TAB_SIZES)
michael@0 62 #undef ADD_TO_TAB_SIZES
michael@0 63 #define FRAME_ID(classname) \
michael@0 64 sizes->add(nsTabSizes::Other, FRAME_ID_STAT_FIELD(classname));
michael@0 65 #include "nsFrameIdList.h"
michael@0 66 #undef FRAME_ID
michael@0 67 }
michael@0 68
michael@0 69 #define DECL_SIZE(kind, mSize) size_t mSize;
michael@0 70 FOR_EACH_SIZE(DECL_SIZE)
michael@0 71 #undef DECL_SIZE
michael@0 72 #define FRAME_ID(classname) size_t FRAME_ID_STAT_FIELD(classname);
michael@0 73 #include "nsFrameIdList.h"
michael@0 74 #undef FRAME_ID
michael@0 75 int dummy; // present just to absorb the trailing comma from FRAME_ID in the
michael@0 76 // constructor
michael@0 77
michael@0 78 #undef FOR_EACH_SIZE
michael@0 79 };
michael@0 80
michael@0 81 #endif // nsArenaMemoryStats_h

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