1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/nsArenaMemoryStats.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,81 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef nsArenaMemoryStats_h
1.11 +#define nsArenaMemoryStats_h
1.12 +
1.13 +#include "mozilla/Assertions.h"
1.14 +#include "mozilla/PodOperations.h"
1.15 +
1.16 +class nsTabSizes {
1.17 +public:
1.18 + enum Kind {
1.19 + DOM, // DOM stuff.
1.20 + Style, // Style stuff.
1.21 + Other // Everything else.
1.22 + };
1.23 +
1.24 + nsTabSizes() { mozilla::PodZero(this); }
1.25 +
1.26 + void add(Kind kind, size_t n)
1.27 + {
1.28 + switch (kind) {
1.29 + case DOM: mDom += n; break;
1.30 + case Style: mStyle += n; break;
1.31 + case Other: mOther += n; break;
1.32 + default: MOZ_CRASH("bad nsTabSizes kind");
1.33 + }
1.34 + }
1.35 +
1.36 + size_t mDom;
1.37 + size_t mStyle;
1.38 + size_t mOther;
1.39 +};
1.40 +
1.41 +#define FRAME_ID_STAT_FIELD(classname) mArena##classname
1.42 +
1.43 +struct nsArenaMemoryStats {
1.44 +#define FOR_EACH_SIZE(macro) \
1.45 + macro(Other, mLineBoxes) \
1.46 + macro(Style, mRuleNodes) \
1.47 + macro(Style, mStyleContexts) \
1.48 + macro(Other, mOther)
1.49 +
1.50 + nsArenaMemoryStats()
1.51 + :
1.52 + #define ZERO_SIZE(kind, mSize) mSize(0),
1.53 + FOR_EACH_SIZE(ZERO_SIZE)
1.54 + #undef ZERO_SIZE
1.55 + #define FRAME_ID(classname) FRAME_ID_STAT_FIELD(classname)(),
1.56 + #include "nsFrameIdList.h"
1.57 + #undef FRAME_ID
1.58 + dummy()
1.59 + {}
1.60 +
1.61 + void addToTabSizes(nsTabSizes *sizes) const
1.62 + {
1.63 + #define ADD_TO_TAB_SIZES(kind, mSize) sizes->add(nsTabSizes::kind, mSize);
1.64 + FOR_EACH_SIZE(ADD_TO_TAB_SIZES)
1.65 + #undef ADD_TO_TAB_SIZES
1.66 + #define FRAME_ID(classname) \
1.67 + sizes->add(nsTabSizes::Other, FRAME_ID_STAT_FIELD(classname));
1.68 + #include "nsFrameIdList.h"
1.69 + #undef FRAME_ID
1.70 + }
1.71 +
1.72 + #define DECL_SIZE(kind, mSize) size_t mSize;
1.73 + FOR_EACH_SIZE(DECL_SIZE)
1.74 + #undef DECL_SIZE
1.75 + #define FRAME_ID(classname) size_t FRAME_ID_STAT_FIELD(classname);
1.76 + #include "nsFrameIdList.h"
1.77 + #undef FRAME_ID
1.78 + int dummy; // present just to absorb the trailing comma from FRAME_ID in the
1.79 + // constructor
1.80 +
1.81 +#undef FOR_EACH_SIZE
1.82 +};
1.83 +
1.84 +#endif // nsArenaMemoryStats_h
