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 /* -*- 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 LulDwarfSummariser_h

 #define LulDwarfSummariser_h

 #include "LulMainInt.h"

 namespace lul {

 class Summariser

 {

 public:

   Summariser(SecMap* aSecMap, uintptr_t aTextBias, void(*aLog)(const char*));

   void Entry(uintptr_t aAddress, uintptr_t aLength);

   void End();

   void Rule(uintptr_t aAddress,

             int aNewReg, int aOldReg, intptr_t aOffset, bool aDeref);

 private:

   // The SecMap in which we park the finished summaries (RuleSets).

   SecMap* mSecMap;

   // Running state for the current summary (RuleSet) under construction.

   RuleSet mCurrRules;

   // The start of the address range to which the RuleSet under

   // construction applies.

   uintptr_t mCurrAddr;

   // The highest address, plus one, for which the RuleSet under

   // construction could possibly apply.  If there are no further

   // incoming events then mCurrRules will eventually be emitted

   // as-is, for the range mCurrAddr.. mMax1Addr - 1, if that is

   // nonempty.

   uintptr_t mMax1Addr;

   // The bias value (to add to the SVMAs, to get AVMAs) to be used

   // when adding entries into mSecMap.

   uintptr_t mTextBias;

   // A logging sink, for debugging.

   void (*mLog)(const char* aFmt);

 };

 } // namespace lul

 #endif // LulDwarfSummariser_h