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/**
* @file llcallstack.h
* @brief run-time extraction of the current callstack
*
* $LicenseInfo:firstyear=2016&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2016, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include <map>
class LLCallStackImpl;
class LLCallStack
{
public:
LLCallStack(S32 skip_count=0, bool verbose=false);
std::vector<std::string> m_strings;
bool m_verbose;
bool contains(const std::string& str);
private:
static LLCallStackImpl *s_impl;
S32 m_skipCount;
};
LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLCallStack& call_stack);
class LLContextStrings
{
public:
LLContextStrings();
static void addContextString(const std::string& str);
static void removeContextString(const std::string& str);
static void output(std::ostream& os);
static LLContextStrings* getThreadLocalInstance();
static bool contains(const std::string& str);
private:
std::map<std::string,S32> m_contextStrings;
};
class LLScopedContextString
{
public:
LLScopedContextString(const std::string& str):
m_str(str)
{
LLContextStrings::addContextString(m_str);
}
~LLScopedContextString()
{
LLContextStrings::removeContextString(m_str);
}
private:
std::string m_str;
};
// Mostly exists as a class to hook an ostream override to.
struct LLContextStatus
{
bool contains(const std::string& str);
};
LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLContextStatus& context_status);
#define dumpStack(tag) \
LL_DEBUGS(tag) << "STACK:\n" \
<< "====================\n" \
<< LLCallStack() \
<< "====================" \
<< LL_ENDL;
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