243 lines
12 KiB
C++
243 lines
12 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "library.h"
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#include "path.h"
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#include "tinyxml2.h"
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#include <string>
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#include <algorithm>
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Library::Library() : allocid(0)
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{
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}
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bool Library::load(const char exename[], const char path[])
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{
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if (std::strchr(path,',') != NULL) {
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bool ret = true;
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std::string p(path);
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while (p.find(",") != std::string::npos) {
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const std::string::size_type pos = p.find(",");
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ret &= load(exename, p.substr(0,pos).c_str());
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p = p.substr(pos+1);
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}
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if (!p.empty())
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ret &= load(exename, p.c_str());
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return ret;
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}
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// open file..
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLError error = doc.LoadFile(path);
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if (error == tinyxml2::XML_ERROR_FILE_NOT_FOUND) {
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// failed to open file.. is there no extension?
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std::string fullfilename(path);
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if (Path::getFilenameExtension(fullfilename) == "") {
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fullfilename += ".cfg";
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error = doc.LoadFile(fullfilename.c_str());
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}
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if (error == tinyxml2::XML_ERROR_FILE_NOT_FOUND) {
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// Try to locate the library configuration in the installation folder..
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const std::string installfolder = Path::fromNativeSeparators(Path::getPathFromFilename(exename));
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const std::string filename = installfolder + "cfg/" + fullfilename;
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error = doc.LoadFile(filename.c_str());
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}
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}
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return (error == tinyxml2::XML_NO_ERROR) && load(doc);
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}
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bool Library::load(const tinyxml2::XMLDocument &doc)
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{
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const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
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if (rootnode == NULL)
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return false;
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if (strcmp(rootnode->Name(),"def") != 0)
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return false;
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for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
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if (strcmp(node->Name(),"memory")==0) {
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while (!ismemory(++allocid));
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for (const tinyxml2::XMLElement *memorynode = node->FirstChildElement(); memorynode; memorynode = memorynode->NextSiblingElement()) {
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if (strcmp(memorynode->Name(),"alloc")==0) {
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_alloc[memorynode->GetText()] = allocid;
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const char *init = memorynode->Attribute("init");
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if (init && strcmp(init,"false")==0) {
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returnuninitdata.insert(memorynode->GetText());
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}
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} else if (strcmp(memorynode->Name(),"dealloc")==0)
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_dealloc[memorynode->GetText()] = allocid;
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else if (strcmp(memorynode->Name(),"use")==0)
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use.insert(memorynode->GetText());
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else
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return false;
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}
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}
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else if (strcmp(node->Name(),"function")==0) {
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const char *name = node->Attribute("name");
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if (name == NULL)
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return false;
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(),"noreturn")==0)
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_noreturn[name] = (strcmp(functionnode->GetText(), "true") == 0);
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else if (strcmp(functionnode->Name(),"leak-ignore")==0)
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leakignore.insert(name);
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else if (strcmp(functionnode->Name(), "arg") == 0 && functionnode->Attribute("nr") != NULL) {
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const int nr = atoi(functionnode->Attribute("nr"));
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bool notnull = false;
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bool notuninit = false;
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bool formatstr = false;
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bool strz = false;
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for (const tinyxml2::XMLElement *argnode = functionnode->FirstChildElement(); argnode; argnode = argnode->NextSiblingElement()) {
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if (strcmp(argnode->Name(), "not-null") == 0)
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notnull = true;
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else if (strcmp(argnode->Name(), "not-uninit") == 0)
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notuninit = true;
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else if (strcmp(argnode->Name(), "formatstr") == 0)
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formatstr = true;
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else if (strcmp(argnode->Name(), "strz") == 0)
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strz = true;
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else
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return false;
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}
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argumentChecks[name][nr].notnull = notnull;
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argumentChecks[name][nr].notuninit = notuninit;
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argumentChecks[name][nr].formatstr = formatstr;
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argumentChecks[name][nr].strz = strz;
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} else if (strcmp(functionnode->Name(), "ignorefunction") == 0) {
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_ignorefunction[name] = (strcmp(functionnode->GetText(), "true") == 0);
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} else
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return false;
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}
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}
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else if (strcmp(node->Name(),"files")==0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "file") == 0) {
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_markupExtensions.insert(functionnode->Attribute("ext"));
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const char * report = functionnode->Attribute("reporterrors");
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if (report)
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_reporterrors[functionnode->Attribute("ext")] = strcmp(report, "true")==0;
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} else
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return false;
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}
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}
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else if (strcmp(node->Name(), "keywords") == 0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "library") == 0) {
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const char * const extension = functionnode->Attribute("extension");
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for (const tinyxml2::XMLElement *librarynode = functionnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "keyword") == 0) {
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_keywords[extension].push_back(librarynode->Attribute("name"));
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} else
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return false;
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}
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} else
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return false;
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}
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}
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else if (strcmp(node->Name(), "exported") == 0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "exporter") == 0) {
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const char * prefix = (functionnode->Attribute("prefix"));
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if (!prefix)
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return false;
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for (const tinyxml2::XMLElement *enode = functionnode->FirstChildElement(); enode; enode = enode->NextSiblingElement()) {
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if (strcmp(enode->Name(), "prefix") == 0) {
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_exporters[prefix].addPrefix(enode->Attribute("name"));
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} else if (strcmp(enode->Name(), "suffix") == 0) {
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_exporters[prefix].addSuffix(enode->Attribute("name"));
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} else
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return false;
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}
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} else
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return false;
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}
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}
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else if (strcmp(node->Name(), "imported") == 0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "library") == 0) {
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const char * const extension = functionnode->Attribute("extension");
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for (const tinyxml2::XMLElement *librarynode = functionnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "importer") == 0) {
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_importers[extension].push_back(librarynode->Attribute("name"));
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} else
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return false;
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}
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}
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}
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}
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else if (strcmp(node->Name(), "reflection") == 0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "library") == 0) {
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const char * const extension = functionnode->Attribute("extension");
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for (const tinyxml2::XMLElement *librarynode = functionnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "call") == 0) {
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const char * const argString = librarynode->Attribute("arg");
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if (argString) {
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_reflection[extension][librarynode->Attribute("name")]
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= atoi(argString);
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}
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} else
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return false;
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}
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} else
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return false;
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}
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}
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else if (strcmp(node->Name(), "codeblocks") == 0) {
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(), "library") == 0) {
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const char * const extension = functionnode->Attribute("extension");
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for (const tinyxml2::XMLElement *librarynode = functionnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "block") == 0) {
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_executableblocks[extension].addBlock(librarynode->Attribute("name"));
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} else if (strcmp(librarynode->Name(), "structure") == 0) {
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const char * start = librarynode->Attribute("start");
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if (start)
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_executableblocks[extension].setStart(start);
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const char * end = librarynode->Attribute("end");
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if (end)
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_executableblocks[extension].setEnd(end);
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const char * offset = librarynode->Attribute("offset");
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if (offset)
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_executableblocks[extension].setOffset(atoi(offset));
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} else
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return false;
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}
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}
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}
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} else
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return false;
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}
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return true;
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}
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