tools/profiler/JSStreamWriter.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/tools/profiler/JSStreamWriter.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef JSSTREAMWRITER_H
    1.10 +#define JSSTREAMWRITER_H
    1.11 +
    1.12 +#include <ostream>
    1.13 +#include <stdlib.h>
    1.14 +#include "nsDeque.h"
    1.15 +
    1.16 +class JSStreamWriter
    1.17 +{
    1.18 +public:
    1.19 +  JSStreamWriter(std::ostream& aStream);
    1.20 +  ~JSStreamWriter();
    1.21 +
    1.22 +  void BeginObject();
    1.23 +  void EndObject();
    1.24 +  void BeginArray();
    1.25 +  void EndArray();
    1.26 +  void Name(const char *name);
    1.27 +  void Value(int value);
    1.28 +  void Value(double value);
    1.29 +  void Value(const char *value, size_t valueLength);
    1.30 +  void Value(const char *value);
    1.31 +  template <typename T>
    1.32 +  void NameValue(const char *aName, T aValue)
    1.33 +  {
    1.34 +    Name(aName);
    1.35 +    Value(aValue);
    1.36 +  }
    1.37 +
    1.38 +private:
    1.39 +  std::ostream& mStream;
    1.40 +  bool mNeedsComma;
    1.41 +  bool mNeedsName;
    1.42 +
    1.43 +  nsDeque mStack;
    1.44 +
    1.45 +  // This class can't be copied
    1.46 +  JSStreamWriter(const JSStreamWriter&);
    1.47 +  JSStreamWriter& operator=(const JSStreamWriter&);
    1.48 +
    1.49 +  void* operator new(size_t);
    1.50 +  void* operator new[](size_t);
    1.51 +  void operator delete(void*) {
    1.52 +    // Since JSStreamWriter has a virtual destructor the compiler
    1.53 +    // has to provide a destructor in the object file that will call
    1.54 +    // operate delete in case there is a derived class since its
    1.55 +    // destructor won't know how to free this instance.
    1.56 +    abort();
    1.57 +  }
    1.58 +  void operator delete[](void*);
    1.59 +};
    1.60 +
    1.61 +#endif

mercurial