gecko-dev/tools/profiler/JSStreamWriter.h
Viktor Stanchev 549fb2406d Bug 867728 - Stream profiler JSON directly to a file. r=bgirard,terrence
--HG--
extra : rebase_source : 3472eb981d0c8778be318b3d51b51edfe8c1c96a
2014-04-21 16:48:47 -04:00

59 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 JSSTREAMWRITER_H
#define JSSTREAMWRITER_H
#include <ostream>
#include <stdlib.h>
#include "nsDeque.h"
class JSStreamWriter
{
public:
JSStreamWriter(std::ostream& aStream);
~JSStreamWriter();
void BeginObject();
void EndObject();
void BeginArray();
void EndArray();
void Name(const char *name);
void Value(int value);
void Value(double value);
void Value(const char *value, size_t valueLength);
void Value(const char *value);
template <typename T>
void NameValue(const char *aName, T aValue)
{
Name(aName);
Value(aValue);
}
private:
std::ostream& mStream;
bool mNeedsComma;
bool mNeedsName;
nsDeque mStack;
// This class can't be copied
JSStreamWriter(const JSStreamWriter&);
JSStreamWriter& operator=(const JSStreamWriter&);
void* operator new(size_t);
void* operator new[](size_t);
void operator delete(void*) {
// Since JSStreamWriter has a virtual destructor the compiler
// has to provide a destructor in the object file that will call
// operate delete in case there is a derived class since its
// destructor won't know how to free this instance.
abort();
}
void operator delete[](void*);
};
#endif