290 lines
11 KiB
C++
290 lines
11 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2015 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 "cppchecklibrarydata.h"
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#include <QXmlStreamReader>
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#include <QXmlStreamWriter>
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const unsigned int CppcheckLibraryData::Function::Arg::ANY = ~0U;
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CppcheckLibraryData::CppcheckLibraryData()
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{
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}
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static CppcheckLibraryData::Define loadDefine(const QXmlStreamReader &xmlReader)
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{
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CppcheckLibraryData::Define define;
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define.name = xmlReader.attributes().value("name").toString();
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define.value = xmlReader.attributes().value("value").toString();
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return define;
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}
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static CppcheckLibraryData::Function::Arg loadFunctionArg(QXmlStreamReader &xmlReader)
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{
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CppcheckLibraryData::Function::Arg arg;
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QString argnr = xmlReader.attributes().value("nr").toString();
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if (argnr == "any")
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arg.nr = CppcheckLibraryData::Function::Arg::ANY;
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else
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arg.nr = argnr.toUInt();
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QXmlStreamReader::TokenType type;
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while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
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xmlReader.name().toString() != "arg") {
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if (type != QXmlStreamReader::StartElement)
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continue;
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const QString elementName = xmlReader.name().toString();
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if (elementName == "not-bool")
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arg.notbool = true;
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else if (elementName == "not-null")
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arg.notnull = true;
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else if (elementName == "not-uninit")
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arg.notuninit = true;
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else if (elementName == "strz")
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arg.strz = true;
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else if (elementName == "formatstr")
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arg.formatstr = true;
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else if (elementName == "valid")
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arg.valid = xmlReader.readElementText();
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else if (elementName == "minsize") {
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CppcheckLibraryData::Function::Arg::MinSize minsize;
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minsize.type = xmlReader.attributes().value("type").toString();
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minsize.arg = xmlReader.attributes().value("arg").toString();
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minsize.arg2 = xmlReader.attributes().value("arg2").toString();
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arg.minsizes.append(minsize);
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}
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}
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return arg;
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}
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static CppcheckLibraryData::Function loadFunction(QXmlStreamReader &xmlReader, const QStringList &comments)
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{
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CppcheckLibraryData::Function function;
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function.comments = comments;
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function.name = xmlReader.attributes().value("name").toString();
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QXmlStreamReader::TokenType type;
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while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
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xmlReader.name().toString() != "function") {
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if (type != QXmlStreamReader::StartElement)
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continue;
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const QString elementName = xmlReader.name().toString();
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if (elementName == "noreturn")
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function.noreturn = (xmlReader.readElementText() == "true") ? CppcheckLibraryData::Function::True : CppcheckLibraryData::Function::False;
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else if (elementName == "pure")
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function.gccPure = true;
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else if (elementName == "const")
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function.gccConst = true;
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else if (elementName == "leak-ignore")
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function.leakignore = true;
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else if (elementName == "use-retval")
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function.useretval = true;
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else if (elementName == "formatstr") {
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function.formatstr.scan = xmlReader.attributes().value("scan").toString();
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function.formatstr.secure = xmlReader.attributes().value("secure").toString();
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} else if (elementName == "arg")
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function.args.append(loadFunctionArg(xmlReader));
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}
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return function;
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}
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static CppcheckLibraryData::MemoryResource loadMemoryResource(QXmlStreamReader &xmlReader)
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{
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CppcheckLibraryData::MemoryResource memoryresource;
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memoryresource.type = xmlReader.name().toString();
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QXmlStreamReader::TokenType type;
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while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
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xmlReader.name().toString() != memoryresource.type) {
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if (type != QXmlStreamReader::StartElement)
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continue;
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const QString elementName = xmlReader.name().toString();
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if (elementName == "alloc") {
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CppcheckLibraryData::MemoryResource::Alloc alloc;
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alloc.init = (xmlReader.attributes().value("init").toString() == "true");
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alloc.name = xmlReader.readElementText();
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memoryresource.alloc.append(alloc);
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} else if (elementName == "dealloc")
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memoryresource.dealloc.append(xmlReader.readElementText());
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else if (elementName == "use")
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memoryresource.use.append(xmlReader.readElementText());
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}
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return memoryresource;
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}
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static CppcheckLibraryData::PodType loadPodType(const QXmlStreamReader &xmlReader)
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{
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CppcheckLibraryData::PodType podtype;
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podtype.name = xmlReader.attributes().value("name").toString();
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podtype.size = xmlReader.attributes().value("size").toString();
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podtype.sign = xmlReader.attributes().value("sign").toString();
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return podtype;
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}
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bool CppcheckLibraryData::open(QIODevice &file)
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{
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clear();
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QStringList comments;
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QXmlStreamReader xmlReader(&file);
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while (!xmlReader.atEnd()) {
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const QXmlStreamReader::TokenType t = xmlReader.readNext();
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switch (t) {
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case QXmlStreamReader::Comment:
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comments.append(xmlReader.text().toString());
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break;
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case QXmlStreamReader::StartElement:
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if (xmlReader.name() == "define")
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defines.append(loadDefine(xmlReader));
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else if (xmlReader.name() == "function")
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functions.append(loadFunction(xmlReader, comments));
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else if (xmlReader.name() == "memory" || xmlReader.name() == "resource")
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memoryresource.append(loadMemoryResource(xmlReader));
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else if (xmlReader.name() == "podtype")
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podtypes.append(loadPodType(xmlReader));
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comments.clear();
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break;
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default:
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break;
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}
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}
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return true;
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}
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static void writeFunction(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::Function &function)
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{
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foreach(const QString &comment, function.comments) {
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xmlWriter.writeComment(comment);
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}
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xmlWriter.writeStartElement("function");
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xmlWriter.writeAttribute("name", function.name);
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if (function.useretval)
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xmlWriter.writeEmptyElement("use-retval");
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if (function.gccConst)
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xmlWriter.writeEmptyElement("const");
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if (function.gccPure)
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xmlWriter.writeEmptyElement("pure");
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if (function.noreturn != CppcheckLibraryData::Function::Unknown)
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xmlWriter.writeTextElement("noreturn", (function.noreturn == CppcheckLibraryData::Function::True) ? "true" : "false");
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if (function.leakignore)
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xmlWriter.writeEmptyElement("leak-ignore");
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// Argument info..
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foreach(const CppcheckLibraryData::Function::Arg &arg, function.args) {
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if (arg.formatstr) {
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xmlWriter.writeStartElement("formatstr");
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if (!function.formatstr.scan.isNull())
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xmlWriter.writeAttribute("scan", function.formatstr.scan);
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if (!function.formatstr.secure.isNull())
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xmlWriter.writeAttribute("secure", function.formatstr.secure);
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xmlWriter.writeEndElement();
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}
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xmlWriter.writeStartElement("arg");
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if (arg.nr == CppcheckLibraryData::Function::Arg::ANY)
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xmlWriter.writeAttribute("nr", "any");
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else
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xmlWriter.writeAttribute("nr", QString::number(arg.nr));
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if (arg.formatstr)
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xmlWriter.writeEmptyElement("formatstr");
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if (arg.notnull)
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xmlWriter.writeEmptyElement("not-null");
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if (arg.notuninit)
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xmlWriter.writeEmptyElement("not-uninit");
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if (arg.notbool)
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xmlWriter.writeEmptyElement("not-bool");
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if (arg.strz)
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xmlWriter.writeEmptyElement("strz");
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if (!arg.valid.isEmpty())
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xmlWriter.writeTextElement("valid",arg.valid);
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foreach(const CppcheckLibraryData::Function::Arg::MinSize &minsize, arg.minsizes) {
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xmlWriter.writeStartElement("minsize");
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xmlWriter.writeAttribute("type", minsize.type);
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xmlWriter.writeAttribute("arg", minsize.arg);
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if (!minsize.arg2.isEmpty())
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xmlWriter.writeAttribute("arg2", minsize.arg2);
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xmlWriter.writeEndElement();
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}
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xmlWriter.writeEndElement();
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}
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xmlWriter.writeEndElement();
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}
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static void writeMemoryResource(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::MemoryResource &mr)
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{
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xmlWriter.writeStartElement(mr.type);
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foreach(const CppcheckLibraryData::MemoryResource::Alloc &alloc, mr.alloc) {
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xmlWriter.writeStartElement("alloc");
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if (alloc.init)
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xmlWriter.writeAttribute("init", "true");
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xmlWriter.writeCharacters(alloc.name);
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xmlWriter.writeEndElement();
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}
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foreach(const QString &dealloc, mr.dealloc) {
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xmlWriter.writeTextElement("dealloc", dealloc);
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}
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foreach(const QString &use, mr.use) {
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xmlWriter.writeTextElement("use", use);
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}
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xmlWriter.writeEndElement();
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}
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QString CppcheckLibraryData::toString() const
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{
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QString outputString;
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QXmlStreamWriter xmlWriter(&outputString);
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xmlWriter.setAutoFormatting(true);
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xmlWriter.writeStartDocument("1.0");
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xmlWriter.writeStartElement("def");
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xmlWriter.writeAttribute("format","2");
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foreach(const Define &define, defines) {
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xmlWriter.writeStartElement("define");
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xmlWriter.writeAttribute("name", define.name);
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xmlWriter.writeAttribute("value", define.value);
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xmlWriter.writeEndElement();
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}
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foreach(const Function &function, functions) {
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writeFunction(xmlWriter, function);
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}
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foreach(const MemoryResource &mr, memoryresource) {
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writeMemoryResource(xmlWriter, mr);
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}
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foreach(const PodType &podtype, podtypes) {
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xmlWriter.writeStartElement("podtype");
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xmlWriter.writeAttribute("name", podtype.name);
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if (!podtype.size.isEmpty())
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xmlWriter.writeAttribute("size", podtype.size);
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if (!podtype.sign.isEmpty())
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xmlWriter.writeAttribute("sign", podtype.sign);
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xmlWriter.writeEndElement();
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}
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xmlWriter.writeEndElement();
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return outputString;
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}
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