291 lines
10 KiB
C++
291 lines
10 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 "librarydata.h"
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#include <QDomDocument>
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#include <QDomNode>
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#include <QDomNodeList>
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const unsigned int LibraryData::Function::Arg::ANY = ~0U;
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LibraryData::LibraryData()
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{
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}
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static LibraryData::Define loadDefine(const QDomElement &defineElement)
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{
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LibraryData::Define define;
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define.name = defineElement.attribute("name");
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define.value = defineElement.attribute("value");
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return define;
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}
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static LibraryData::Function::Arg loadFunctionArg(const QDomElement &functionArgElement)
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{
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LibraryData::Function::Arg arg;
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if (functionArgElement.attribute("nr") == "any")
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arg.nr = LibraryData::Function::Arg::ANY;
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else
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arg.nr = functionArgElement.attribute("nr").toUInt();
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for (QDomElement childElement = functionArgElement.firstChildElement(); !childElement.isNull(); childElement = childElement.nextSiblingElement()) {
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if (childElement.tagName() == "not-bool")
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arg.notbool = true;
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else if (childElement.tagName() == "not-null")
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arg.notnull = true;
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else if (childElement.tagName() == "not-uninit")
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arg.notuninit = true;
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else if (childElement.tagName() == "strz")
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arg.strz = true;
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else if (childElement.tagName() == "formatstr")
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arg.formatstr = true;
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else if (childElement.tagName() == "valid")
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arg.valid = childElement.text();
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else if (childElement.tagName() == "minsize") {
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LibraryData::Function::Arg::MinSize minsize;
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minsize.type = childElement.attribute("type");
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minsize.arg = childElement.attribute("arg");
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minsize.arg2 = childElement.attribute("arg2");
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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 LibraryData::Function loadFunction(const QDomElement &functionElement, const QStringList &comments)
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{
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LibraryData::Function function;
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function.comments = comments;
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function.name = functionElement.attribute("name");
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for (QDomElement childElement = functionElement.firstChildElement(); !childElement.isNull(); childElement = childElement.nextSiblingElement()) {
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if (childElement.tagName() == "noreturn")
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function.noreturn = (childElement.text() == "true");
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else if (childElement.tagName() == "pure")
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function.gccPure = true;
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else if (childElement.tagName() == "const")
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function.gccConst = true;
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else if (childElement.tagName() == "leak-ignore")
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function.leakignore = true;
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else if (childElement.tagName() == "use-retval")
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function.useretval = true;
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else if (childElement.tagName() == "formatstr") {
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function.formatstr.scan = childElement.attribute("scan");
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function.formatstr.secure = childElement.attribute("secure");
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} else if (childElement.tagName() == "arg") {
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const LibraryData::Function::Arg fa = loadFunctionArg(childElement);
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function.args.append(fa);
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} else {
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int x = 123;
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x++;
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}
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}
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return function;
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}
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static LibraryData::MemoryResource loadMemoryResource(const QDomElement &element)
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{
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LibraryData::MemoryResource memoryresource;
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memoryresource.type = element.tagName();
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for (QDomElement childElement = element.firstChildElement(); !childElement.isNull(); childElement = childElement.nextSiblingElement()) {
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if (childElement.tagName() == "alloc") {
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LibraryData::MemoryResource::Alloc alloc;
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alloc.init = (childElement.attribute("init", "false") == "true");
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alloc.name = childElement.text();
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memoryresource.alloc.append(alloc);
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} else if (childElement.tagName() == "dealloc")
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memoryresource.dealloc.append(childElement.text());
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else if (childElement.tagName() == "use")
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memoryresource.use.append(childElement.text());
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}
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return memoryresource;
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}
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static LibraryData::PodType loadPodType(const QDomElement &element)
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{
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LibraryData::PodType podtype;
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podtype.name = element.attribute("name");
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podtype.size = element.attribute("size");
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podtype.sign = element.attribute("sign");
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return podtype;
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}
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bool LibraryData::open(QIODevice &file)
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{
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QDomDocument doc;
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if (!doc.setContent(&file))
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return false;
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clear();
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QDomElement rootElement = doc.firstChildElement("def");
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QStringList comments;
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for (QDomNode n = rootElement.firstChild(); !n.isNull(); n = n.nextSibling()) {
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if (n.isComment())
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comments.append(n.toComment().data());
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else if (n.isElement()) {
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const QDomElement e = n.toElement();
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if (e.tagName() == "define")
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defines.append(loadDefine(e));
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else if (e.tagName() == "function")
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functions.append(loadFunction(e, comments));
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else if (e.tagName() == "memory" || e.tagName() == "resource")
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memoryresource.append(loadMemoryResource(e));
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else if (e.tagName() == "podtype")
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podtypes.append(loadPodType(e));
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comments.clear();
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}
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}
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return true;
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}
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static QDomElement FunctionElement(QDomDocument &doc, const LibraryData::Function &function)
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{
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QDomElement functionElement = doc.createElement("function");
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functionElement.setAttribute("name", function.name);
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if (!function.noreturn) {
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QDomElement e = doc.createElement("noreturn");
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e.appendChild(doc.createTextNode("false"));
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functionElement.appendChild(e);
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}
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if (function.useretval)
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functionElement.appendChild(doc.createElement("use-retval"));
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if (function.leakignore)
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functionElement.appendChild(doc.createElement("leak-ignore"));
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if (function.gccConst)
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functionElement.appendChild(doc.createElement("const"));
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if (function.gccPure)
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functionElement.appendChild(doc.createElement("pure"));
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if (!function.formatstr.scan.isNull()) {
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QDomElement e = doc.createElement("formatstr");
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e.setAttribute("scan", function.formatstr.scan);
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if (!function.formatstr.secure.isNull())
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e.setAttribute("secure", function.formatstr.secure);
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functionElement.appendChild(e);
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}
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// Argument info..
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foreach(const LibraryData::Function::Arg &arg, function.args) {
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QDomElement argElement = doc.createElement("arg");
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functionElement.appendChild(argElement);
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if (arg.nr == LibraryData::Function::Arg::ANY)
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argElement.setAttribute("nr", "any");
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else
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argElement.setAttribute("nr", arg.nr);
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if (arg.notbool)
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argElement.appendChild(doc.createElement("not-bool"));
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if (arg.notnull)
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argElement.appendChild(doc.createElement("not-null"));
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if (arg.notuninit)
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argElement.appendChild(doc.createElement("not-uninit"));
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if (arg.strz)
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argElement.appendChild(doc.createElement("strz"));
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if (arg.formatstr)
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argElement.appendChild(doc.createElement("formatstr"));
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if (!arg.valid.isEmpty()) {
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QDomElement e = doc.createElement("valid");
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e.appendChild(doc.createTextNode(arg.valid));
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argElement.appendChild(e);
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}
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if (!arg.minsizes.isEmpty()) {
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foreach(const LibraryData::Function::Arg::MinSize &minsize, arg.minsizes) {
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QDomElement e = doc.createElement("minsize");
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e.setAttribute("type", minsize.type);
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e.setAttribute("arg", minsize.arg);
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if (!minsize.arg2.isEmpty())
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e.setAttribute("arg2", minsize.arg2);
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argElement.appendChild(e);
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}
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}
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}
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return functionElement;
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}
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static QDomElement MemoryResourceElement(QDomDocument &doc, const LibraryData::MemoryResource &mr)
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{
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QDomElement element = doc.createElement(mr.type);
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foreach(const LibraryData::MemoryResource::Alloc &alloc, mr.alloc) {
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QDomElement e = doc.createElement("alloc");
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if (alloc.init)
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e.setAttribute("init", "true");
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e.appendChild(doc.createTextNode(alloc.name));
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element.appendChild(e);
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}
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foreach(const QString &dealloc, mr.dealloc) {
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QDomElement e = doc.createElement("dealloc");
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e.appendChild(doc.createTextNode(dealloc));
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element.appendChild(e);
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}
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foreach(const QString &use, mr.use) {
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QDomElement e = doc.createElement("use");
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e.appendChild(doc.createTextNode(use));
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element.appendChild(e);
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}
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return element;
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}
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QString LibraryData::toString() const
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{
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QDomDocument doc;
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QDomElement root = doc.createElement("def");
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doc.appendChild(root);
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root.setAttribute("format","2");
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foreach(const Define &define, defines) {
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QDomElement defineElement = doc.createElement("define");
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defineElement.setAttribute("name", define.name);
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defineElement.setAttribute("value", define.value);
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root.appendChild(defineElement);
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}
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foreach(const Function &function, functions) {
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foreach(const QString &comment, function.comments) {
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root.appendChild(doc.createComment(comment));
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}
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root.appendChild(FunctionElement(doc, function));
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}
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foreach(const MemoryResource &mr, memoryresource) {
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root.appendChild(MemoryResourceElement(doc, mr));
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}
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foreach(const PodType &podtype, podtypes) {
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QDomElement podtypeElement = doc.createElement("podtype");
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podtypeElement.setAttribute("name", podtype.name);
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podtypeElement.setAttribute("size", podtype.size);
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podtypeElement.setAttribute("sign", podtype.sign);
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root.appendChild(podtypeElement);
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}
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return doc.toString();
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}
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