153 lines
4.3 KiB
C++
153 lines
4.3 KiB
C++
/**
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* @file llcallstack.cpp
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* @brief run-time extraction of the current callstack
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*
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* $LicenseInfo:firstyear=2016&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2016, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llcommon.h"
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#include "llcallstack.h"
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#include "StackWalker.h"
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#if LL_WINDOWS
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class LLCallStackImpl: public StackWalker
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{
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public:
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LLCallStackImpl():
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StackWalker(false,0) // non-verbose, options = 0
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{
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}
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~LLCallStackImpl()
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{
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}
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void getStack(std::vector<std::string>& stack, S32 skip_count=0, bool verbose=false)
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{
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m_stack.clear();
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ShowCallstack(verbose);
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// Skip the first few lines because they're just bookkeeping for LLCallStack,
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// plus any additional lines requested to skip.
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S32 first_line = skip_count + 3;
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for (S32 i=first_line; i<m_stack.size(); ++i)
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{
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stack.push_back(m_stack[i]);
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}
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}
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protected:
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virtual void OnOutput(LPCSTR szText)
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{
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m_stack.push_back(szText);
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}
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std::vector<std::string> m_stack;
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};
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#else
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// Stub - not implemented currently on other platforms.
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class LLCallStackImpl
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{
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public:
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LLCallStackImpl() {}
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~LLCallStackImpl() {}
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void getStack(std::vector<std::string>& stack, S32 skip_count=0, bool verbose=false)
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{
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stack.clear();
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}
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};
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#endif
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LLCallStackImpl *LLCallStack::s_impl = NULL;
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LLCallStack::LLCallStack(S32 skip_count, bool verbose):
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m_skipCount(skip_count),
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m_verbose(verbose)
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{
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if (!s_impl)
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{
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s_impl = new LLCallStackImpl;
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}
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LLTimer t;
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s_impl->getStack(m_strings, m_skipCount, m_verbose);
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}
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std::ostream& operator<<(std::ostream& s, const LLCallStack& call_stack)
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{
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std::vector<std::string>::const_iterator it;
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for (it=call_stack.m_strings.begin(); it!=call_stack.m_strings.end(); ++it)
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{
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s << *it;
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}
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return s;
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}
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#include "llthreadlocalstorage.h"
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LLContextStrings::LLContextStrings()
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{
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}
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// static
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LLContextStrings* LLContextStrings::getThreadLocalInstance()
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{
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LLContextStrings *cons = LLThreadLocalSingletonPointer<LLContextStrings>::getInstance();
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if (!cons)
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{
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LLThreadLocalSingletonPointer<LLContextStrings>::setInstance(new LLContextStrings);
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}
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return LLThreadLocalSingletonPointer<LLContextStrings>::getInstance();
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}
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// static
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void LLContextStrings::addContextString(const std::string& str)
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{
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LLContextStrings *cons = getThreadLocalInstance();
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//LL_INFOS() << "CTX " << (S32)cons << " ADD " << str << " CNT " << cons->m_contextStrings[str] << LL_ENDL;
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cons->m_contextStrings[str]++;
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}
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// static
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void LLContextStrings::removeContextString(const std::string& str)
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{
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LLContextStrings *cons = getThreadLocalInstance();
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cons->m_contextStrings[str]--;
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//LL_INFOS() << "CTX " << (S32)cons << " REMOVE " << str << " CNT " << cons->m_contextStrings[str] << LL_ENDL;
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if (cons->m_contextStrings[str] == 0)
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{
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cons->m_contextStrings.erase(str);
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}
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}
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// static
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void LLContextStrings::output(std::ostream& os)
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{
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const std::map<std::string,S32>& strings = LLThreadLocalSingletonPointer<LLContextStrings>::getInstance()->m_contextStrings;
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for (std::map<std::string,S32>::const_iterator it = strings.begin(); it!=strings.end(); ++it)
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{
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os << it->first << "[" << it->second << "]" << "\n";
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}
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}
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std::ostream& operator<<(std::ostream& s, const LLContextStatus& context_status)
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{
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LLThreadLocalSingletonPointer<LLContextStrings>::getInstance()->output(s);
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return s;
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}
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