void ToolManager::unloadJSEngine(bool forced)
{
m_ScriptLock.lock();
time_t now = time(NULL);
if (forced || (m_uiInstanceCount == 0 && now > m_tJSEngineExpireTime))
{
if (m_pFactory)
{
ScriptCoreSetupI* setup = (ScriptCoreSetupI*)m_pFactory(SCRIPT_CORE_SETUP);
if (setup)
setup->cleanUp();
}
m_pFactory = NULL;
m_ScriptCore.unload();
m_ScriptCore = SharedObjectLoader();
m_uiInstanceCount = 0;
}
m_ScriptLock.unlock();
}
bool loadDll()
{
#ifndef DEBUG
#ifdef WIN32
char message[255] = {0};
if (UTIL::WIN::validateCert(L".\\bin\\scriptcore.dll", message, 255) != ERROR_SUCCESS)
{
Warning(gcString("Cert validation failed on scriptcore.dll: {0}\n", message));
return false;
}
#endif
#endif
#ifdef WIN32
#ifdef DEBUG
if (!m_ScriptCore.load("scriptcore-d.dll"))
return false;
#else
if (!m_ScriptCore.load("scriptcore.dll"))
return false;
#endif
#else
if (!m_ScriptCore.load("libscriptcore.so"))
return false;
#endif
m_pFactory = m_ScriptCore.getFunction<FactoryFn>("FactoryBuilderScriptCore");
if (!m_pFactory)
{
unloadDll();
return false;
}
#ifndef IGNORE_DESURA_LOGGING
RegLogFn regLog = m_ScriptCore.getFunction<RegLogFn>("RegDLLCB_SCRIPT");
if (regLog)
InitLogging(regLog);
else
Warning("Failed to setup logging for scriptcore\n");
#endif
m_pSetup = (ScriptCoreSetupI*)m_pFactory(SCRIPT_CORE_SETUP);
if (!m_pSetup)
{
unloadDll();
return false;
}
m_pSetup->useInternalTaskRunner();
return m_pSetup->addItemExtender(&m_Extender);
}
/** \brief Check wheter a token at a given position is an undefined variable.
\param a_Tok [out] If a variable tom_pParser->m_vStringBufken has been found it will be placed here.
\return true if a variable token has been found.
\throw nothrow
*/
bool ParserTokenReader::IsUndefVarTok(token_type &a_Tok)
{
string_type strTok;
int iEnd( ExtractToken(m_pParser->ValidNameChars(), strTok, m_iPos) );
if ( iEnd==m_iPos )
return false;
if (m_iSynFlags & noVAR)
{
// <ibg/> 20061021 added token string strTok instead of a_Tok.GetAsString() as the
// token identifier.
// related bug report:
// http://sourceforge.net/tracker/index.php?func=detail&aid=1578779&group_id=137191&atid=737979
Error(ecUNEXPECTED_VAR, m_iPos - (int)a_Tok.GetAsString().length(), strTok);
}
// If a factory is available implicitely create new variables
if (m_pFactory)
{
value_type *fVar = m_pFactory(strTok.c_str(), m_pFactoryData);
a_Tok.SetVar(fVar, strTok );
// Do not use m_pParser->DefineVar( strTok, fVar );
// in order to define the new variable, it will clear the
// m_UsedVar array which will kill previousely defined variables
// from the list
// This is safe because the new variable can never override an existing one
// because they are checked first!
(*m_pVarDef)[strTok] = fVar;
m_UsedVar[strTok] = fVar; // Add variable to used-var-list
}
else
{
a_Tok.SetVar((value_type*)&m_fZero, strTok);
m_UsedVar[strTok] = 0; // Add variable to used-var-list
}
m_iPos = iEnd;
// Call the variable factory in order to let it define a new parser variable
m_iSynFlags = noVAL | noVAR | noFUN | noBO | noPOSTOP | noINFIXOP | noSTR;
return true;
}
bool ToolManager::loadJSEngine()
{
#ifdef WIN32
#ifdef DEBUG
if (!m_ScriptCore.load("scriptcore-d.dll"))
return false;
#else
if (!m_ScriptCore.load("scriptcore.dll"))
return false;
#endif
#else
if (!m_ScriptCore.load("libscriptcore.so"))
return false;
#endif
m_pFactory = m_ScriptCore.getFunction<FactoryFn>("FactoryBuilderScriptCore");
if (!m_pFactory)
return false;
RegLogFn regLog = m_ScriptCore.getFunction<RegLogFn>("RegDLLCB_SCRIPT");
if (regLog)
regLog(g_pLogCallback);
else
#ifdef WIN32
Warning("Failed to setup logging for scriptcore.dll\n");
#else
Warning("Failed to setup logging for scriptcore.so\n");
#endif
ScriptCoreSetupI* setup = (ScriptCoreSetupI*)m_pFactory(SCRIPT_CORE_SETUP);
if (!setup)
return false;
m_tJSEngineExpireTime = time(NULL) + 60*15;
setup->useInternalTaskRunner();
return setup->addItemExtender(&g_ItemExtender);
}
CourgetteI* newInstance()
{
bool loaded = false;
m_ScriptLock.lock();
if (m_uiInstanceCount == 0)
loaded = loadDll();
else
loaded = true;
bool didLoad = (loaded && m_pFactory);
if (didLoad)
m_uiInstanceCount++;
m_ScriptLock.unlock();
if (didLoad == false)
throw gcException(ERR_LIBRARY_LOADFAILED, "Failed to load courgette");
return (CourgetteI*)m_pFactory(COURGETTE);
}
ScriptCoreI* newInstance()
{
bool loaded = false;
m_ScriptLock.lock();
if (m_uiInstanceCount == 0)
loaded = loadDll();
else
loaded = true;
bool didLoad = (loaded && m_pFactory);
if (didLoad)
m_uiInstanceCount++;
m_ScriptLock.unlock();
if (didLoad == false)
throw gcException(ERR_LIBRARY_LOADFAILED, "Failed to load script engine");
return (ScriptCoreI*)m_pFactory(SCRIPT_CORE);
}
void ToolManager::findJSTools(UserCore::Item::ItemInfo* item)
{
bool validPath = false;
for (size_t x=0; x<item->getBranchCount(); x++)
{
gcString path = item->getBranch(x)->getInstallScriptPath();
if (UTIL::FS::isValidFile(path))
validPath = true;
}
if (!validPath)
return;
m_ScriptLock.lock();
if (!m_pFactory)
{
Warning("Failed to load scriptcore for find JS Tools\n");
m_ScriptLock.unlock();
return;
}
m_uiInstanceCount++;
m_ScriptLock.unlock();
for (size_t x=0; x<item->getBranchCount(); x++)
{
gcString path = item->getBranch(x)->getInstallScriptPath();
if (!UTIL::FS::isValidFile(path))
continue;
ScriptCoreI* instance = (ScriptCoreI*)m_pFactory(SCRIPT_CORE);
UserItem* userItem = new UserItem();
userItem->m_pItem = item;
userItem->m_pBranch = item->getBranch(x);
userItem->m_pToolManager = this;
try
{
instance->setItem(userItem);
instance->executeScript(path.c_str());
instance->executeString("ToolSetup();");
}
catch (gcException &e)
{
gcString errMsg(e.getErrMsg());
if (errMsg.find("ToolSetup is not defined") == std::string::npos)
Warning(gcString("Failed to execute toolsetup: {0}\n", e));
}
instance->destory();
}
m_ScriptLock.lock();
m_uiInstanceCount--;
m_ScriptLock.unlock();
if (m_uiInstanceCount == 0)
unloadJSEngine();
}