C++ Ptr::setUtf8Source方法代码示例

void tst_Lookup::simple_class_1()
{
    const QByteArray source = "\n"
        "@interface Zoo {} +(id)alloc; -(id)init; @end\n"
        "@implementation Zoo +(id)alloc{} -(id)init{} -(void)dealloc{} @end\n";

    Document::Ptr doc = Document::create("simple_class_1");
    doc->setUtf8Source(source);
    doc->parse();
    doc->check();

    QVERIFY(doc->diagnosticMessages().isEmpty());
    QCOMPARE(doc->globalSymbolCount(), 2U);

    Snapshot snapshot;
    snapshot.insert(doc);

    ObjCClass *iface = doc->globalSymbolAt(0)->asObjCClass();
    QVERIFY(iface);
    QVERIFY(iface->isInterface());
    QCOMPARE(iface->memberCount(), 2U);

    ObjCClass *impl = doc->globalSymbolAt(1)->asObjCClass();
    QVERIFY(impl);
    QVERIFY(!impl->isInterface());
    QCOMPARE(impl->memberCount(), 3U);

    Declaration *allocMethodIface = iface->memberAt(0)->asDeclaration();
    QVERIFY(allocMethodIface);
    QVERIFY(allocMethodIface->name() && allocMethodIface->name()->identifier());
    QCOMPARE(QLatin1String(allocMethodIface->name()->identifier()->chars()), QLatin1String("alloc"));

    ObjCMethod *allocMethodImpl = impl->memberAt(0)->asObjCMethod();
    QVERIFY(allocMethodImpl);
    QVERIFY(allocMethodImpl->name() && allocMethodImpl->name()->identifier());
    QCOMPARE(QLatin1String(allocMethodImpl->name()->identifier()->chars()), QLatin1String("alloc"));

    ObjCMethod *deallocMethod = impl->memberAt(2)->asObjCMethod();
    QVERIFY(deallocMethod);
    QVERIFY(deallocMethod->name() && deallocMethod->name()->identifier());
    QCOMPARE(QLatin1String(deallocMethod->name()->identifier()->chars()), QLatin1String("dealloc"));

    const LookupContext context(doc, snapshot);

    // check class resolving:
    ClassOrNamespace *klass = context.lookupType(impl->name(), impl->enclosingScope());
    QVERIFY(klass != 0);
    QCOMPARE(klass->symbols().size(), 2);
    QVERIFY(klass->symbols().contains(iface));
    QVERIFY(klass->symbols().contains(impl));

    // check method resolving:
    QList<LookupItem> results = context.lookup(allocMethodImpl->name(), impl);
    QCOMPARE(results.size(), 2);
    QCOMPARE(results.at(0).declaration(), allocMethodIface);
    QCOMPARE(results.at(1).declaration(), allocMethodImpl);

    results = context.lookup(deallocMethod->name(), impl);
    QCOMPARE(results.size(), 1);
    QCOMPARE(results.at(0).declaration(), deallocMethod);
}

void tst_Lookup::iface_impl_scoping()
{
    const QByteArray source = "\n"
                              "@interface Scooping{}-(int)method1:(int)arg;-(void)method2;@end\n"
                              "@implementation Scooping-(int)method1:(int)arg{return arg;}@end\n";

    Document::Ptr doc = Document::create("class_with_protocol_with_protocol");
    doc->setUtf8Source(source);
    doc->parse();
    doc->check();

    QVERIFY(doc->diagnosticMessages().isEmpty());
    QCOMPARE(doc->globalSymbolCount(), 2U);

    Snapshot snapshot;
    snapshot.insert(doc);

    ObjCClass *iface = doc->globalSymbolAt(0)->asObjCClass();
    QVERIFY(iface);
    QVERIFY(iface->isInterface());
    ObjCClass *impl = doc->globalSymbolAt(1)->asObjCClass();
    QVERIFY(impl);
    QVERIFY(!impl->isInterface());

    QCOMPARE(iface->memberCount(), 2U);
    QCOMPARE(impl->memberCount(), 1U);

    ObjCMethod *method1Impl = impl->memberAt(0)->asObjCMethod();
    QVERIFY(method1Impl);
    QCOMPARE(method1Impl->identifier()->chars(), "method1");

    // get the body of method1
    QCOMPARE(method1Impl->memberCount(), 2U);
    Argument *method1Arg = method1Impl->memberAt(0)->asArgument();
    QVERIFY(method1Arg);
    QCOMPARE(method1Arg->identifier()->chars(), "arg");
    QVERIFY(method1Arg->type()->isIntegerType());

    Block *method1Body = method1Impl->memberAt(1)->asBlock();
    QVERIFY(method1Body);

    const LookupContext context(doc, snapshot);

    { // verify if we can resolve "arg" in the body
        QCOMPARE(method1Impl->argumentCount(), 1U);
        Argument *arg = method1Impl->argumentAt(0)->asArgument();
        QVERIFY(arg);
        QVERIFY(arg->name());
        QVERIFY(arg->name()->identifier());
        QCOMPARE(arg->name()->identifier()->chars(), "arg");
        QVERIFY(arg->type()->isIntegerType());

        const QList<LookupItem> candidates = context.lookup(arg->name(), method1Body->enclosingScope());
        QCOMPARE(candidates.size(), 1);
        QVERIFY(candidates.at(0).declaration()->type()->asIntegerType());
    }

    Declaration *method2 = iface->memberAt(1)->asDeclaration();
    QVERIFY(method2);
    QCOMPARE(method2->identifier()->chars(), "method2");

    { // verify if we can resolve "method2" in the body
        const QList<LookupItem> candidates = context.lookup(method2->name(), method1Body->enclosingScope());
        QCOMPARE(candidates.size(), 1);
        QCOMPARE(candidates.at(0).declaration(), method2);
    }
}

void CppPreprocessor::sourceNeeded(unsigned line, const QString &fileName, IncludeType type)
{
    if (fileName.isEmpty())
        return;

    QString absoluteFileName = resolveFile(fileName, type);
    absoluteFileName = QDir::cleanPath(absoluteFileName);
    if (m_currentDoc)
        m_currentDoc->addIncludeFile(Document::Include(fileName, absoluteFileName, line, type));
    if (m_included.contains(absoluteFileName))
        return; // we've already seen this file.
    if (absoluteFileName != modelManager()->configurationFileName())
        m_included.insert(absoluteFileName);

    unsigned editorRevision = 0;
    QByteArray contents;
    getFileContents(absoluteFileName, &contents, &editorRevision);
    contents = convertToLatin1(contents);
    if (m_currentDoc) {
        if (contents.isEmpty() && !QFileInfo(absoluteFileName).isAbsolute()) {
            QString msg = QCoreApplication::translate(
                    "CppPreprocessor", "%1: No such file or directory").arg(fileName);

            Document::DiagnosticMessage d(Document::DiagnosticMessage::Warning,
                                          m_currentDoc->fileName(),
                                          line, /*column = */ 0,
                                          msg);

            m_currentDoc->addDiagnosticMessage(d);
            return;
        }
    }

    if (m_dumpFileNameWhileParsing) {
        qDebug() << "Parsing file:" << absoluteFileName
                 << "contents:" << contents.size()
        ;
    }

    Document::Ptr doc = m_snapshot.document(absoluteFileName);
    if (doc) {
        mergeEnvironment(doc);
        return;
    }

    doc = Document::create(absoluteFileName);
    doc->setRevision(m_revision);
    doc->setEditorRevision(editorRevision);

    const QFileInfo info(absoluteFileName);
    if (info.exists())
        doc->setLastModified(info.lastModified());

    const Document::Ptr previousDoc = switchDocument(doc);

    const QByteArray preprocessedCode = m_preprocess.run(absoluteFileName, contents);
//    {
//        QByteArray b(preprocessedCode);
//        b.replace("\n", "<<<\n");
//        qDebug("Preprocessed code for \"%s\": [[%s]]", fileName.toUtf8().constData(),
//               b.constData());
//    }

    doc->setUtf8Source(preprocessedCode);
    doc->keepSourceAndAST();
    doc->tokenize();

    m_snapshot.insert(doc);
    m_todo.remove(absoluteFileName);

    Process process(m_modelManager, doc, m_workingCopy);
    process();

    (void) switchDocument(previousDoc);
}