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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2018 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cppchecklibrarydata.h"
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
const unsigned int CppcheckLibraryData::Function::Arg::ANY = ~0U;
const unsigned int CppcheckLibraryData::Function::Arg::VARIADIC = ~1U;
CppcheckLibraryData::CppcheckLibraryData()
{
}
static std::string unhandledElement(const QXmlStreamReader &xmlReader)
{
throw std::runtime_error(QObject::tr("line %1: Unhandled element %2").arg(xmlReader.lineNumber()).arg(xmlReader.name().toString()).toStdString());
}
static CppcheckLibraryData::Container loadContainer(QXmlStreamReader &xmlReader)
{
CppcheckLibraryData::Container container;
container.id = xmlReader.attributes().value("id").toString();
container.inherits = xmlReader.attributes().value("inherits").toString();
container.startPattern = xmlReader.attributes().value("startPattern").toString();
container.endPattern = xmlReader.attributes().value("endPattern").toString();
container.opLessAllowed = xmlReader.attributes().value("opLessAllowed").toString();
container.itEndPattern = xmlReader.attributes().value("itEndPattern").toString();
QXmlStreamReader::TokenType type;
while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
xmlReader.name().toString() != "container") {
if (type != QXmlStreamReader::StartElement)
continue;
const QString elementName = xmlReader.name().toString();
if (elementName == "type") {
container.type.templateParameter = xmlReader.attributes().value("templateParameter").toString();
container.type.string = xmlReader.attributes().value("string").toString();
} else if (elementName == "size" || elementName == "access" || elementName == "other") {
const QString indexOperator = xmlReader.attributes().value("indexOperator").toString();
if (elementName == "access" && indexOperator == "array-like")
container.access_arrayLike = true;
const QString templateParameter = xmlReader.attributes().value("templateParameter").toString();
if (elementName == "size" && !templateParameter.isEmpty())
container.size_templateParameter = templateParameter.toInt();
for (;;) {
type = xmlReader.readNext();
if (xmlReader.name().toString() == elementName)
break;
if (type != QXmlStreamReader::StartElement)
continue;
struct CppcheckLibraryData::Container::Function function;
function.name = xmlReader.attributes().value("name").toString();
function.action = xmlReader.attributes().value("action").toString();
function.yields = xmlReader.attributes().value("yields").toString();
if (elementName == "size")
container.sizeFunctions.append(function);
else if (elementName == "access")
container.accessFunctions.append(function);
else
container.otherFunctions.append(function);
}
} else {
unhandledElement(xmlReader);
}
}
return container;
}
static CppcheckLibraryData::Define loadDefine(const QXmlStreamReader &xmlReader)
{
CppcheckLibraryData::Define define;
define.name = xmlReader.attributes().value("name").toString();
define.value = xmlReader.attributes().value("value").toString();
return define;
}
static QString loadUndefine(const QXmlStreamReader &xmlReader)
{
return xmlReader.attributes().value("name").toString();
}
static CppcheckLibraryData::Function::Arg loadFunctionArg(QXmlStreamReader &xmlReader)
{
CppcheckLibraryData::Function::Arg arg;
QString argnr = xmlReader.attributes().value("nr").toString();
if (argnr == "any")
arg.nr = CppcheckLibraryData::Function::Arg::ANY;
else if (argnr == "variadic")
arg.nr = CppcheckLibraryData::Function::Arg::VARIADIC;
else
arg.nr = argnr.toUInt();
arg.defaultValue = xmlReader.attributes().value("default").toString();
QXmlStreamReader::TokenType type;
while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
xmlReader.name().toString() != "arg") {
if (type != QXmlStreamReader::StartElement)
continue;
const QString elementName = xmlReader.name().toString();
if (elementName == "not-bool")
arg.notbool = true;
else if (elementName == "not-null")
arg.notnull = true;
else if (elementName == "not-uninit")
arg.notuninit = true;
else if (elementName == "strz")
arg.strz = true;
else if (elementName == "formatstr")
arg.formatstr = true;
else if (elementName == "valid")
arg.valid = xmlReader.readElementText();
else if (elementName == "minsize") {
CppcheckLibraryData::Function::Arg::MinSize minsize;
minsize.type = xmlReader.attributes().value("type").toString();
minsize.arg = xmlReader.attributes().value("arg").toString();
minsize.arg2 = xmlReader.attributes().value("arg2").toString();
arg.minsizes.append(minsize);
} else if (elementName == "iterator") {
arg.iterator.container = xmlReader.attributes().value("container").toInt();
arg.iterator.type = xmlReader.attributes().value("type").toString();
} else {
unhandledElement(xmlReader);
}
}
return arg;
}
static CppcheckLibraryData::Function loadFunction(QXmlStreamReader &xmlReader, const QString &comments)
{
CppcheckLibraryData::Function function;
function.comments = comments;
function.name = xmlReader.attributes().value("name").toString();
QXmlStreamReader::TokenType type;
while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
xmlReader.name().toString() != "function") {
if (type != QXmlStreamReader::StartElement)
continue;
const QString elementName = xmlReader.name().toString();
if (elementName == "noreturn")
function.noreturn = (xmlReader.readElementText() == "true") ? CppcheckLibraryData::Function::True : CppcheckLibraryData::Function::False;
else if (elementName == "pure")
function.gccPure = true;
else if (elementName == "const")
function.gccConst = true;
else if (elementName == "leak-ignore")
function.leakignore = true;
else if (elementName == "use-retval")
function.useretval = true;
else if (elementName == "returnValue") {
const QString container = xmlReader.attributes().value("container").toString();
function.returnValue.container = container.isNull() ? -1 : container.toInt();
function.returnValue.type = xmlReader.attributes().value("type").toString();
function.returnValue.value = xmlReader.readElementText();
} else if (elementName == "formatstr") {
function.formatstr.scan = xmlReader.attributes().value("scan").toString();
function.formatstr.secure = xmlReader.attributes().value("secure").toString();
} else if (elementName == "arg")
function.args.append(loadFunctionArg(xmlReader));
else if (elementName == "warn") {
function.warn.severity = xmlReader.attributes().value("severity").toString();
function.warn.cstd = xmlReader.attributes().value("cstd").toString();
function.warn.reason = xmlReader.attributes().value("reason").toString();
function.warn.alternatives = xmlReader.attributes().value("alternatives").toString();
function.warn.msg = xmlReader.readElementText();
} else {
unhandledElement(xmlReader);
}
}
return function;
}
static CppcheckLibraryData::MemoryResource loadMemoryResource(QXmlStreamReader &xmlReader)
{
CppcheckLibraryData::MemoryResource memoryresource;
memoryresource.type = xmlReader.name().toString();
QXmlStreamReader::TokenType type;
while ((type = xmlReader.readNext()) != QXmlStreamReader::EndElement ||
xmlReader.name().toString() != memoryresource.type) {
if (type != QXmlStreamReader::StartElement)
continue;
const QString elementName = xmlReader.name().toString();
if (elementName == "alloc") {
CppcheckLibraryData::MemoryResource::Alloc alloc;
alloc.init = (xmlReader.attributes().value("init").toString() == "true");
alloc.name = xmlReader.readElementText();
memoryresource.alloc.append(alloc);
} else if (elementName == "dealloc")
memoryresource.dealloc.append(xmlReader.readElementText());
else if (elementName == "use")
memoryresource.use.append(xmlReader.readElementText());
else
unhandledElement(xmlReader);
}
return memoryresource;
}
static CppcheckLibraryData::PodType loadPodType(const QXmlStreamReader &xmlReader)
{
CppcheckLibraryData::PodType podtype;
podtype.name = xmlReader.attributes().value("name").toString();
podtype.size = xmlReader.attributes().value("size").toString();
podtype.sign = xmlReader.attributes().value("sign").toString();
return podtype;
}
QString CppcheckLibraryData::open(QIODevice &file)
{
clear();
QString comments;
QXmlStreamReader xmlReader(&file);
while (!xmlReader.atEnd()) {
const QXmlStreamReader::TokenType t = xmlReader.readNext();
switch (t) {
case QXmlStreamReader::Comment:
if (!comments.isEmpty())
comments += "\n";
comments += xmlReader.text().toString();
break;
case QXmlStreamReader::StartElement:
try {
const QString elementName(xmlReader.name().toString());
if (elementName == "def")
;
else if (elementName == "container")
containers.append(loadContainer(xmlReader));
else if (elementName == "define")
defines.append(loadDefine(xmlReader));
else if (elementName == "undefine")
undefines.append(loadUndefine(xmlReader));
else if (elementName == "function")
functions.append(loadFunction(xmlReader, comments));
else if (elementName == "memory" || elementName == "resource")
memoryresource.append(loadMemoryResource(xmlReader));
else if (elementName == "podtype")
podtypes.append(loadPodType(xmlReader));
else
unhandledElement(xmlReader);
} catch (std::runtime_error &e) {
return e.what();
}
comments.clear();
break;
default:
break;
}
}
return QString();
}
static void writeContainerFunctions(QXmlStreamWriter &xmlWriter, const QString &name, int extra, const QList<struct CppcheckLibraryData::Container::Function> &functions)
{
if (functions.isEmpty() && extra < 0)
return;
xmlWriter.writeStartElement(name);
if (extra >= 0) {
if (name == "access")
xmlWriter.writeAttribute("indexOperator", "array-like");
else if (name == "size")
xmlWriter.writeAttribute("templateParameter", QString::number(extra));
}
foreach (const CppcheckLibraryData::Container::Function &function, functions) {
xmlWriter.writeStartElement("function");
xmlWriter.writeAttribute("name", function.name);
if (!function.action.isEmpty())
xmlWriter.writeAttribute("action", function.action);
if (!function.yields.isEmpty())
xmlWriter.writeAttribute("yields", function.yields);
xmlWriter.writeEndElement();
}
xmlWriter.writeEndElement();
}
static void writeContainer(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::Container &container)
{
xmlWriter.writeStartElement("container");
xmlWriter.writeAttribute("id", container.id);
if (!container.startPattern.isEmpty())
xmlWriter.writeAttribute("startPattern", container.startPattern);
if (!container.endPattern.isNull())
xmlWriter.writeAttribute("endPattern", container.endPattern);
if (!container.inherits.isEmpty())
xmlWriter.writeAttribute("inherits", container.inherits);
if (!container.opLessAllowed.isEmpty())
xmlWriter.writeAttribute("opLessAllowed", container.opLessAllowed);
if (!container.itEndPattern.isEmpty())
xmlWriter.writeAttribute("itEndPattern", container.itEndPattern);
if (!container.type.templateParameter.isEmpty() || !container.type.string.isEmpty()) {
xmlWriter.writeStartElement("type");
if (!container.type.templateParameter.isEmpty())
xmlWriter.writeAttribute("templateParameter", container.type.templateParameter);
if (!container.type.string.isEmpty())
xmlWriter.writeAttribute("string", container.type.string);
xmlWriter.writeEndElement();
}
writeContainerFunctions(xmlWriter, "size", container.size_templateParameter, container.sizeFunctions);
writeContainerFunctions(xmlWriter, "access", container.access_arrayLike?1:-1, container.accessFunctions);
writeContainerFunctions(xmlWriter, "other", -1, container.otherFunctions);
xmlWriter.writeEndElement();
}
static void writeFunction(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::Function &function)
{
QString comments = function.comments;
while (comments.startsWith("\n"))
comments = comments.mid(1);
while (comments.endsWith("\n"))
comments.chop(1);
foreach (const QString &comment, comments.split('\n')) {
if (comment.length() >= 1)
xmlWriter.writeComment(comment);
}
xmlWriter.writeStartElement("function");
xmlWriter.writeAttribute("name", function.name);
if (function.useretval)
xmlWriter.writeEmptyElement("use-retval");
if (function.gccConst)
xmlWriter.writeEmptyElement("const");
if (function.gccPure)
xmlWriter.writeEmptyElement("pure");
if (!function.returnValue.empty()) {
xmlWriter.writeStartElement("returnValue");
if (!function.returnValue.type.isNull())
xmlWriter.writeAttribute("type", function.returnValue.type);
if (function.returnValue.container >= 0)
xmlWriter.writeAttribute("container", QString::number(function.returnValue.container));
if (!function.returnValue.value.isNull())
xmlWriter.writeCharacters(function.returnValue.value);
xmlWriter.writeEndElement();
}
if (function.noreturn != CppcheckLibraryData::Function::Unknown)
xmlWriter.writeTextElement("noreturn", (function.noreturn == CppcheckLibraryData::Function::True) ? "true" : "false");
if (function.leakignore)
xmlWriter.writeEmptyElement("leak-ignore");
// Argument info..
foreach (const CppcheckLibraryData::Function::Arg &arg, function.args) {
if (arg.formatstr) {
xmlWriter.writeStartElement("formatstr");
if (!function.formatstr.scan.isNull())
xmlWriter.writeAttribute("scan", function.formatstr.scan);
if (!function.formatstr.secure.isNull())
xmlWriter.writeAttribute("secure", function.formatstr.secure);
xmlWriter.writeEndElement();
}
xmlWriter.writeStartElement("arg");
if (arg.nr == CppcheckLibraryData::Function::Arg::ANY)
xmlWriter.writeAttribute("nr", "any");
else if (arg.nr == CppcheckLibraryData::Function::Arg::VARIADIC)
xmlWriter.writeAttribute("nr", "variadic");
else
xmlWriter.writeAttribute("nr", QString::number(arg.nr));
if (!arg.defaultValue.isNull())
xmlWriter.writeAttribute("default", arg.defaultValue);
if (arg.formatstr)
xmlWriter.writeEmptyElement("formatstr");
if (arg.notnull)
xmlWriter.writeEmptyElement("not-null");
if (arg.notuninit)
xmlWriter.writeEmptyElement("not-uninit");
if (arg.notbool)
xmlWriter.writeEmptyElement("not-bool");
if (arg.strz)
xmlWriter.writeEmptyElement("strz");
if (!arg.valid.isEmpty())
xmlWriter.writeTextElement("valid",arg.valid);
foreach (const CppcheckLibraryData::Function::Arg::MinSize &minsize, arg.minsizes) {
xmlWriter.writeStartElement("minsize");
xmlWriter.writeAttribute("type", minsize.type);
xmlWriter.writeAttribute("arg", minsize.arg);
if (!minsize.arg2.isEmpty())
xmlWriter.writeAttribute("arg2", minsize.arg2);
xmlWriter.writeEndElement();
}
if (arg.iterator.container >= 0 || !arg.iterator.type.isNull()) {
xmlWriter.writeStartElement("iterator");
if (arg.iterator.container >= 0)
xmlWriter.writeAttribute("container", QString::number(arg.iterator.container));
if (!arg.iterator.type.isNull())
xmlWriter.writeAttribute("type", arg.iterator.type);
xmlWriter.writeEndElement();
}
xmlWriter.writeEndElement();
}
if (!function.warn.isEmpty()) {
xmlWriter.writeStartElement("warn");
if (!function.warn.severity.isEmpty())
xmlWriter.writeAttribute("severity", function.warn.severity);
if (!function.warn.cstd.isEmpty())
xmlWriter.writeAttribute("cstd", function.warn.cstd);
if (!function.warn.alternatives.isEmpty())
xmlWriter.writeAttribute("alternatives", function.warn.alternatives);
if (!function.warn.reason.isEmpty())
xmlWriter.writeAttribute("reason", function.warn.reason);
if (!function.warn.msg.isEmpty())
xmlWriter.writeCharacters(function.warn.msg);
xmlWriter.writeEndElement();
}
xmlWriter.writeEndElement();
}
static void writeMemoryResource(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::MemoryResource &mr)
{
xmlWriter.writeStartElement(mr.type);
foreach (const CppcheckLibraryData::MemoryResource::Alloc &alloc, mr.alloc) {
xmlWriter.writeStartElement("alloc");
xmlWriter.writeAttribute("init", alloc.init ? "true" : "false");
xmlWriter.writeCharacters(alloc.name);
xmlWriter.writeEndElement();
}
foreach (const QString &dealloc, mr.dealloc) {
xmlWriter.writeTextElement("dealloc", dealloc);
}
foreach (const QString &use, mr.use) {
xmlWriter.writeTextElement("use", use);
}
xmlWriter.writeEndElement();
}
QString CppcheckLibraryData::toString() const
{
QString outputString;
QXmlStreamWriter xmlWriter(&outputString);
xmlWriter.setAutoFormatting(true);
xmlWriter.setAutoFormattingIndent(2);
xmlWriter.writeStartDocument("1.0");
xmlWriter.writeStartElement("def");
xmlWriter.writeAttribute("format","2");
foreach (const Define &define, defines) {
xmlWriter.writeStartElement("define");
xmlWriter.writeAttribute("name", define.name);
xmlWriter.writeAttribute("value", define.value);
xmlWriter.writeEndElement();
}
foreach (const QString &undef, undefines) {
xmlWriter.writeStartElement("undefine");
xmlWriter.writeAttribute("name", undef);
xmlWriter.writeEndElement();
}
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;
}
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