501 lines
21 KiB
C++
501 lines
21 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2018 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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const unsigned int CppcheckLibraryData::Function::Arg::VARIADIC = ~1U;
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CppcheckLibraryData::CppcheckLibraryData()
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{
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}
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static std::string unhandledElement(const QXmlStreamReader &xmlReader)
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{
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throw std::runtime_error(QObject::tr("line %1: Unhandled element %2").arg(xmlReader.lineNumber()).arg(xmlReader.name().toString()).toStdString());
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}
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static CppcheckLibraryData::Container loadContainer(QXmlStreamReader &xmlReader)
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{
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CppcheckLibraryData::Container container;
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container.id = xmlReader.attributes().value("id").toString();
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container.inherits = xmlReader.attributes().value("inherits").toString();
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container.startPattern = xmlReader.attributes().value("startPattern").toString();
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container.endPattern = xmlReader.attributes().value("endPattern").toString();
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container.opLessAllowed = xmlReader.attributes().value("opLessAllowed").toString();
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container.itEndPattern = xmlReader.attributes().value("itEndPattern").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() != "container") {
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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 == "type") {
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container.type.templateParameter = xmlReader.attributes().value("templateParameter").toString();
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container.type.string = xmlReader.attributes().value("string").toString();
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} else if (elementName == "size" || elementName == "access" || elementName == "other") {
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const QString indexOperator = xmlReader.attributes().value("indexOperator").toString();
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if (elementName == "access" && indexOperator == "array-like")
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container.access_arrayLike = true;
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const QString templateParameter = xmlReader.attributes().value("templateParameter").toString();
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if (elementName == "size" && !templateParameter.isEmpty())
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container.size_templateParameter = templateParameter.toInt();
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for (;;) {
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type = xmlReader.readNext();
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if (xmlReader.name().toString() == elementName)
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break;
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if (type != QXmlStreamReader::StartElement)
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continue;
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struct CppcheckLibraryData::Container::Function function;
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function.name = xmlReader.attributes().value("name").toString();
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function.action = xmlReader.attributes().value("action").toString();
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function.yields = xmlReader.attributes().value("yields").toString();
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if (elementName == "size")
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container.sizeFunctions.append(function);
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else if (elementName == "access")
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container.accessFunctions.append(function);
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else
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container.otherFunctions.append(function);
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}
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} else {
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unhandledElement(xmlReader);
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}
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}
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return container;
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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 QString loadUndefine(const QXmlStreamReader &xmlReader)
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{
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return xmlReader.attributes().value("name").toString();
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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 if (argnr == "variadic")
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arg.nr = CppcheckLibraryData::Function::Arg::VARIADIC;
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else
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arg.nr = argnr.toUInt();
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arg.defaultValue = xmlReader.attributes().value("default").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() != "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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} else if (elementName == "iterator") {
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arg.iterator.container = xmlReader.attributes().value("container").toInt();
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arg.iterator.type = xmlReader.attributes().value("type").toString();
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} else {
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unhandledElement(xmlReader);
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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 QString &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 == "returnValue") {
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const QString container = xmlReader.attributes().value("container").toString();
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function.returnValue.container = container.isNull() ? -1 : container.toInt();
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function.returnValue.type = xmlReader.attributes().value("type").toString();
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function.returnValue.value = xmlReader.readElementText();
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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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else if (elementName == "warn") {
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function.warn.severity = xmlReader.attributes().value("severity").toString();
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function.warn.cstd = xmlReader.attributes().value("cstd").toString();
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function.warn.reason = xmlReader.attributes().value("reason").toString();
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function.warn.alternatives = xmlReader.attributes().value("alternatives").toString();
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function.warn.msg = xmlReader.readElementText();
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} else {
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unhandledElement(xmlReader);
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}
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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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else
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unhandledElement(xmlReader);
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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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QString CppcheckLibraryData::open(QIODevice &file)
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{
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clear();
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QString 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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if (!comments.isEmpty())
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comments += "\n";
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comments += xmlReader.text().toString();
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break;
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case QXmlStreamReader::StartElement:
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try {
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const QString elementName(xmlReader.name().toString());
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if (elementName == "def")
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;
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else if (elementName == "container")
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containers.append(loadContainer(xmlReader));
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else if (elementName == "define")
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defines.append(loadDefine(xmlReader));
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else if (elementName == "undefine")
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undefines.append(loadUndefine(xmlReader));
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else if (elementName == "function")
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functions.append(loadFunction(xmlReader, comments));
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else if (elementName == "memory" || elementName == "resource")
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memoryresource.append(loadMemoryResource(xmlReader));
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else if (elementName == "podtype")
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podtypes.append(loadPodType(xmlReader));
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else
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unhandledElement(xmlReader);
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} catch (std::runtime_error &e) {
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return e.what();
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}
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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 QString();
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}
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static void writeContainerFunctions(QXmlStreamWriter &xmlWriter, const QString &name, int extra, const QList<struct CppcheckLibraryData::Container::Function> &functions)
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{
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if (functions.isEmpty() && extra < 0)
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return;
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xmlWriter.writeStartElement(name);
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if (extra >= 0) {
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if (name == "access")
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xmlWriter.writeAttribute("indexOperator", "array-like");
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else if (name == "size")
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xmlWriter.writeAttribute("templateParameter", QString::number(extra));
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}
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foreach (const CppcheckLibraryData::Container::Function &function, functions) {
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xmlWriter.writeStartElement("function");
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xmlWriter.writeAttribute("name", function.name);
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if (!function.action.isEmpty())
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xmlWriter.writeAttribute("action", function.action);
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if (!function.yields.isEmpty())
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xmlWriter.writeAttribute("yields", function.yields);
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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 writeContainer(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::Container &container)
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{
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xmlWriter.writeStartElement("container");
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xmlWriter.writeAttribute("id", container.id);
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if (!container.startPattern.isEmpty())
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xmlWriter.writeAttribute("startPattern", container.startPattern);
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if (!container.endPattern.isNull())
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xmlWriter.writeAttribute("endPattern", container.endPattern);
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if (!container.inherits.isEmpty())
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xmlWriter.writeAttribute("inherits", container.inherits);
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if (!container.opLessAllowed.isEmpty())
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xmlWriter.writeAttribute("opLessAllowed", container.opLessAllowed);
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if (!container.itEndPattern.isEmpty())
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xmlWriter.writeAttribute("itEndPattern", container.itEndPattern);
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if (!container.type.templateParameter.isEmpty() || !container.type.string.isEmpty()) {
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xmlWriter.writeStartElement("type");
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if (!container.type.templateParameter.isEmpty())
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xmlWriter.writeAttribute("templateParameter", container.type.templateParameter);
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if (!container.type.string.isEmpty())
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xmlWriter.writeAttribute("string", container.type.string);
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xmlWriter.writeEndElement();
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}
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writeContainerFunctions(xmlWriter, "size", container.size_templateParameter, container.sizeFunctions);
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writeContainerFunctions(xmlWriter, "access", container.access_arrayLike?1:-1, container.accessFunctions);
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writeContainerFunctions(xmlWriter, "other", -1, container.otherFunctions);
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xmlWriter.writeEndElement();
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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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QString comments = function.comments;
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while (comments.startsWith("\n"))
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comments = comments.mid(1);
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while (comments.endsWith("\n"))
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comments.chop(1);
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foreach (const QString &comment, comments.split('\n')) {
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if (comment.length() >= 1)
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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.returnValue.empty()) {
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xmlWriter.writeStartElement("returnValue");
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if (!function.returnValue.type.isNull())
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xmlWriter.writeAttribute("type", function.returnValue.type);
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if (function.returnValue.container >= 0)
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xmlWriter.writeAttribute("container", QString::number(function.returnValue.container));
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if (!function.returnValue.value.isNull())
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xmlWriter.writeCharacters(function.returnValue.value);
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xmlWriter.writeEndElement();
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}
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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 if (arg.nr == CppcheckLibraryData::Function::Arg::VARIADIC)
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xmlWriter.writeAttribute("nr", "variadic");
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else
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xmlWriter.writeAttribute("nr", QString::number(arg.nr));
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if (!arg.defaultValue.isNull())
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xmlWriter.writeAttribute("default", arg.defaultValue);
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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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if (arg.iterator.container >= 0 || !arg.iterator.type.isNull()) {
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xmlWriter.writeStartElement("iterator");
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if (arg.iterator.container >= 0)
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xmlWriter.writeAttribute("container", QString::number(arg.iterator.container));
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if (!arg.iterator.type.isNull())
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xmlWriter.writeAttribute("type", arg.iterator.type);
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xmlWriter.writeEndElement();
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}
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xmlWriter.writeEndElement();
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}
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if (!function.warn.isEmpty()) {
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xmlWriter.writeStartElement("warn");
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if (!function.warn.severity.isEmpty())
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xmlWriter.writeAttribute("severity", function.warn.severity);
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if (!function.warn.cstd.isEmpty())
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xmlWriter.writeAttribute("cstd", function.warn.cstd);
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if (!function.warn.alternatives.isEmpty())
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xmlWriter.writeAttribute("alternatives", function.warn.alternatives);
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if (!function.warn.reason.isEmpty())
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xmlWriter.writeAttribute("reason", function.warn.reason);
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if (!function.warn.msg.isEmpty())
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xmlWriter.writeCharacters(function.warn.msg);
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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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xmlWriter.writeAttribute("init", alloc.init ? "true" : "false");
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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.setAutoFormattingIndent(2);
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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 QString &undef, undefines) {
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xmlWriter.writeStartElement("undefine");
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xmlWriter.writeAttribute("name", undef);
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xmlWriter.writeEndElement();
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}
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foreach (const Function &function, functions) {
|
|
writeFunction(xmlWriter, function);
|
|
}
|
|
|
|
foreach (const MemoryResource &mr, memoryresource) {
|
|
writeMemoryResource(xmlWriter, mr);
|
|
}
|
|
|
|
foreach (const Container &container, containers) {
|
|
writeContainer(xmlWriter, container);
|
|
}
|
|
|
|
foreach (const PodType &podtype, podtypes) {
|
|
xmlWriter.writeStartElement("podtype");
|
|
xmlWriter.writeAttribute("name", podtype.name);
|
|
if (!podtype.sign.isEmpty())
|
|
xmlWriter.writeAttribute("sign", podtype.sign);
|
|
if (!podtype.size.isEmpty())
|
|
xmlWriter.writeAttribute("size", podtype.size);
|
|
xmlWriter.writeEndElement();
|
|
}
|
|
|
|
xmlWriter.writeEndElement();
|
|
|
|
return outputString;
|
|
}
|