michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsArenaMemoryStats_h
michael@0: #define nsArenaMemoryStats_h
michael@0: 
michael@0: #include "mozilla/Assertions.h"
michael@0: #include "mozilla/PodOperations.h"
michael@0: 
michael@0: class nsTabSizes {
michael@0: public:
michael@0:   enum Kind {
michael@0:       DOM,        // DOM stuff.
michael@0:       Style,      // Style stuff.
michael@0:       Other       // Everything else.
michael@0:   };
michael@0: 
michael@0:   nsTabSizes() { mozilla::PodZero(this); }
michael@0: 
michael@0:   void add(Kind kind, size_t n)
michael@0:   {
michael@0:     switch (kind) {
michael@0:       case DOM:   mDom   += n; break;
michael@0:       case Style: mStyle += n; break;
michael@0:       case Other: mOther += n; break;
michael@0:       default:    MOZ_CRASH("bad nsTabSizes kind");
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   size_t mDom;
michael@0:   size_t mStyle;
michael@0:   size_t mOther;
michael@0: };
michael@0: 
michael@0: #define FRAME_ID_STAT_FIELD(classname) mArena##classname
michael@0: 
michael@0: struct nsArenaMemoryStats {
michael@0: #define FOR_EACH_SIZE(macro) \
michael@0:   macro(Other, mLineBoxes) \
michael@0:   macro(Style, mRuleNodes) \
michael@0:   macro(Style, mStyleContexts) \
michael@0:   macro(Other, mOther)
michael@0: 
michael@0:   nsArenaMemoryStats()
michael@0:     :
michael@0:       #define ZERO_SIZE(kind, mSize) mSize(0),
michael@0:       FOR_EACH_SIZE(ZERO_SIZE)
michael@0:       #undef ZERO_SIZE
michael@0:       #define FRAME_ID(classname) FRAME_ID_STAT_FIELD(classname)(),
michael@0:       #include "nsFrameIdList.h"
michael@0:       #undef FRAME_ID
michael@0:       dummy()
michael@0:   {}
michael@0: 
michael@0:   void addToTabSizes(nsTabSizes *sizes) const
michael@0:   {
michael@0:     #define ADD_TO_TAB_SIZES(kind, mSize) sizes->add(nsTabSizes::kind, mSize);
michael@0:     FOR_EACH_SIZE(ADD_TO_TAB_SIZES)
michael@0:     #undef ADD_TO_TAB_SIZES
michael@0:     #define FRAME_ID(classname) \
michael@0:       sizes->add(nsTabSizes::Other, FRAME_ID_STAT_FIELD(classname));
michael@0:     #include "nsFrameIdList.h"
michael@0:     #undef FRAME_ID
michael@0:   }
michael@0: 
michael@0:   #define DECL_SIZE(kind, mSize) size_t mSize;
michael@0:   FOR_EACH_SIZE(DECL_SIZE)
michael@0:   #undef DECL_SIZE
michael@0:   #define FRAME_ID(classname) size_t FRAME_ID_STAT_FIELD(classname);
michael@0:   #include "nsFrameIdList.h"
michael@0:   #undef FRAME_ID
michael@0:   int dummy;  // present just to absorb the trailing comma from FRAME_ID in the
michael@0:               // constructor
michael@0: 
michael@0: #undef FOR_EACH_SIZE
michael@0: };
michael@0: 
michael@0: #endif // nsArenaMemoryStats_h