Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2             :  * vim: set ts=8 sts=4 et sw=4 tw=99:
       3             :  * This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef jit_CacheIRSpewer_h
       8             : #define jit_CacheIRSpewer_h
       9             : 
      10             : #ifdef JS_CACHEIR_SPEW
      11             : 
      12             : #include "mozilla/Maybe.h"
      13             : 
      14             : #include "jit/CacheIR.h"
      15             : #include "js/TypeDecls.h"
      16             : #include "threading/LockGuard.h"
      17             : #include "vm/JSONPrinter.h"
      18             : #include "vm/MutexIDs.h"
      19             : 
      20             : namespace js {
      21             : namespace jit {
      22             : 
      23             : class CacheIRSpewer
      24             : {
      25             :     Mutex outputLock;
      26             :     Fprinter output;
      27             :     mozilla::Maybe<JSONPrinter> json;
      28             :     static CacheIRSpewer cacheIRspewer;
      29             : 
      30             :   public:
      31             : 
      32             :     CacheIRSpewer();
      33             :     ~CacheIRSpewer();
      34             : 
      35        7514 :     static CacheIRSpewer& singleton() { return cacheIRspewer; }
      36             : 
      37             :     bool init();
      38        7514 :     bool enabled() { return json.isSome(); }
      39             : 
      40             :     // These methods can only be called when enabled() is true.
      41           0 :     Mutex& lock() { MOZ_ASSERT(enabled()); return outputLock; }
      42             : 
      43             :     void beginCache(LockGuard<Mutex>&, const IRGenerator& generator);
      44             :     void valueProperty(LockGuard<Mutex>&, const char* name, const Value& v);
      45             :     void attached(LockGuard<Mutex>&, const char* name);
      46             :     void endCache(LockGuard<Mutex>&);
      47             : };
      48             : 
      49             : } // namespace jit
      50             : } // namespace js
      51             : 
      52             : #endif /* JS_CACHEIR_SPEW */
      53             : 
      54             : #endif /* jit_CacheIRSpewer_h */