cppcheck/gui/cppchecklibrarydata.cpp

290 lines
11 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2015 Daniel Marjamäki and 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;
CppcheckLibraryData::CppcheckLibraryData()
{
}
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 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
arg.nr = argnr.toUInt();
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);
}
}
return arg;
}
static CppcheckLibraryData::Function loadFunction(QXmlStreamReader &xmlReader, const QStringList &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 == "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));
}
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());
}
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;
}
bool CppcheckLibraryData::open(QIODevice &file)
{
clear();
QStringList comments;
QXmlStreamReader xmlReader(&file);
while (!xmlReader.atEnd()) {
const QXmlStreamReader::TokenType t = xmlReader.readNext();
switch (t) {
case QXmlStreamReader::Comment:
comments.append(xmlReader.text().toString());
break;
case QXmlStreamReader::StartElement:
if (xmlReader.name() == "define")
defines.append(loadDefine(xmlReader));
else if (xmlReader.name() == "function")
functions.append(loadFunction(xmlReader, comments));
else if (xmlReader.name() == "memory" || xmlReader.name() == "resource")
memoryresource.append(loadMemoryResource(xmlReader));
else if (xmlReader.name() == "podtype")
podtypes.append(loadPodType(xmlReader));
comments.clear();
break;
default:
break;
}
}
return true;
}
static void writeFunction(QXmlStreamWriter &xmlWriter, const CppcheckLibraryData::Function &function)
{
foreach(const QString &comment, function.comments) {
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.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
xmlWriter.writeAttribute("nr", QString::number(arg.nr));
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();
}
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");
if (alloc.init)
xmlWriter.writeAttribute("init", "true");
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.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 Function &function, functions) {
writeFunction(xmlWriter, function);
}
foreach(const MemoryResource &mr, memoryresource) {
writeMemoryResource(xmlWriter, mr);
}
foreach(const PodType &podtype, podtypes) {
xmlWriter.writeStartElement("podtype");
xmlWriter.writeAttribute("name", podtype.name);
if (!podtype.size.isEmpty())
xmlWriter.writeAttribute("size", podtype.size);
if (!podtype.sign.isEmpty())
xmlWriter.writeAttribute("sign", podtype.sign);
xmlWriter.writeEndElement();
}
xmlWriter.writeEndElement();
return outputString;
}