QList<ProblemPointer> TestProblems::parse(const QByteArray& code) { ClangIndex index; ClangParsingEnvironment environment; environment.setTranslationUnitUrl(IndexedString(FileName)); ParseSession session(ParseSessionData::Ptr(new ParseSessionData({UnsavedFile(FileName, {code})}, &index, environment))); return session.problemsForFile(session.mainFile()); }
void TestDUChain::testSystemIncludes() { ClangParsingEnvironment env; Path::List projectIncludes = { Path("/projects/1"), Path("/projects/1/sub"), Path("/projects/2"), Path("/projects/2/sub") }; env.addIncludes(projectIncludes); auto includes = env.includes(); // no project paths set, so everything is considered a system include QCOMPARE(includes.system, projectIncludes); QVERIFY(includes.project.isEmpty()); Path::List systemIncludes = { Path("/sys"), Path("/sys/sub") }; env.addIncludes(systemIncludes); includes = env.includes(); QCOMPARE(includes.system, projectIncludes + systemIncludes); QVERIFY(includes.project.isEmpty()); Path::List projects = { Path("/projects/1"), Path("/projects/2") }; env.setProjectPaths(projects); // now the list should be properly separated QCOMPARE(env.projectPaths(), projects); includes = env.includes(); QCOMPARE(includes.system, systemIncludes); QCOMPARE(includes.project, projectIncludes); }
QSharedPointer<const ClangPCH> ClangIndex::pch(const ClangParsingEnvironment& environment) { const auto& pchInclude = environment.pchInclude(); if (!pchInclude.isValid()) { return {}; } UrlParseLock pchLock(IndexedString(pchInclude.pathOrUrl())); static const QString pchExt = QStringLiteral(".pch"); if (QFile::exists(pchInclude.toLocalFile() + pchExt)) { QReadLocker lock(&m_pchLock); auto pch = m_pch.constFind(pchInclude); if (pch != m_pch.constEnd()) { return pch.value(); } } auto pch = QSharedPointer<ClangPCH>::create(environment, this); QWriteLocker lock(&m_pchLock); m_pch.insert(pchInclude, pch); return pch; }
ParseSessionData::ParseSessionData(const QVector<UnsavedFile>& unsavedFiles, ClangIndex* index, const ClangParsingEnvironment& environment, Options options) : m_file(nullptr) , m_unit(nullptr) { unsigned int flags = CXTranslationUnit_CXXChainedPCH | CXTranslationUnit_DetailedPreprocessingRecord #if CINDEX_VERSION_MINOR >= 34 | CXTranslationUnit_KeepGoing #endif ; if (options.testFlag(SkipFunctionBodies)) { flags |= CXTranslationUnit_SkipFunctionBodies; } if (options.testFlag(PrecompiledHeader)) { flags |= CXTranslationUnit_ForSerialization; } else { flags |= CXTranslationUnit_CacheCompletionResults | CXTranslationUnit_PrecompiledPreamble; if (environment.quality() == ClangParsingEnvironment::Unknown) { flags |= CXTranslationUnit_Incomplete; } } const auto tuUrl = environment.translationUnitUrl(); Q_ASSERT(!tuUrl.isEmpty()); const auto arguments = argsForSession(tuUrl.str(), options, environment.parserSettings()); QVector<const char*> clangArguments; const auto& includes = environment.includes(); const auto& pchInclude = environment.pchInclude(); // uses QByteArray as smart-pointer for const char* ownership QVector<QByteArray> smartArgs; smartArgs.reserve(includes.system.size() + includes.project.size() + pchInclude.isValid() + arguments.size() + 1); clangArguments.reserve(smartArgs.size()); std::transform(arguments.constBegin(), arguments.constEnd(), std::back_inserter(clangArguments), [] (const QByteArray &argument) { return argument.constData(); }); // NOTE: the PCH include must come before all other includes! if (pchInclude.isValid()) { clangArguments << "-include"; QByteArray pchFile = pchInclude.toLocalFile().toUtf8(); smartArgs << pchFile; clangArguments << pchFile.constData(); } if (needGccCompatibility(environment)) { const auto compatFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("kdevclangsupport/gcc_compat.h")).toUtf8(); if (!compatFile.isEmpty()) { smartArgs << compatFile; clangArguments << "-include" << compatFile.constData(); } } if (hasQtIncludes(includes.system)) { const auto wrappedQtHeaders = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("kdevclangsupport/wrappedQtHeaders"), QStandardPaths::LocateDirectory).toUtf8(); if (!wrappedQtHeaders.isEmpty()) { smartArgs << wrappedQtHeaders; clangArguments << "-isystem" << wrappedQtHeaders.constData(); const auto qtCore = wrappedQtHeaders + "/QtCore"; smartArgs << qtCore; clangArguments << "-isystem" << qtCore.constData(); } } addIncludes(&clangArguments, &smartArgs, includes.system, "-isystem"); addIncludes(&clangArguments, &smartArgs, includes.project, "-I"); const auto& frameworkDirectories = environment.frameworkDirectories(); addFrameworkDirectories(&clangArguments, &smartArgs, frameworkDirectories.system, "-iframework"); addFrameworkDirectories(&clangArguments, &smartArgs, frameworkDirectories.project, "-F"); smartArgs << writeDefinesFile(environment.defines()); clangArguments << "-imacros" << smartArgs.last().constData(); // append extra args from environment variable static const auto extraArgs = ::extraArgs(); foreach (const QByteArray& arg, extraArgs) { clangArguments << arg.constData(); } QVector<CXUnsavedFile> unsaved; //For PrecompiledHeader, we don't want unsaved contents (and contents.isEmpty()) if (!options.testFlag(PrecompiledHeader)) { unsaved = toClangApi(unsavedFiles); } // debugging: print hypothetical clang invocation including args (for easy c&p for local testing) if (qEnvironmentVariableIsSet("KDEV_CLANG_DISPLAY_ARGS")) { QTextStream out(stdout); out << "Invocation: clang"; foreach (const auto& arg, clangArguments) { out << " " << arg; } out << " " << tuUrl.byteArray().constData() << "\n"; }
void TestDUChain::testParsingEnvironment() { const TopDUContext::Features features = TopDUContext::AllDeclarationsContextsAndUses; IndexedTopDUContext indexed; ClangParsingEnvironment lastEnv; { TestFile file("int main() {}\n", "cpp"); auto astFeatures = static_cast<TopDUContext::Features>(features | TopDUContext::AST); file.parse(astFeatures); file.setKeepDUChainData(true); QVERIFY(file.waitForParsed()); DUChainWriteLocker lock; auto top = file.topContext(); QVERIFY(top); auto sessionData = ParseSessionData::Ptr(dynamic_cast<ParseSessionData*>(top->ast().data())); lock.unlock(); ParseSession session(sessionData); lock.lock(); QVERIFY(session.data()); QVERIFY(top); auto envFile = QExplicitlySharedDataPointer<ClangParsingEnvironmentFile>( dynamic_cast<ClangParsingEnvironmentFile*>(file.topContext()->parsingEnvironmentFile().data())); QCOMPARE(envFile->features(), astFeatures); QVERIFY(envFile->featuresSatisfied(astFeatures)); QCOMPARE(envFile->environmentQuality(), ClangParsingEnvironment::Source); // if no environment is given, no update should be triggered QVERIFY(!envFile->needsUpdate()); // same env should also not trigger a reparse ClangParsingEnvironment env = session.environment(); QCOMPARE(env.quality(), ClangParsingEnvironment::Source); QVERIFY(!envFile->needsUpdate(&env)); // but changing the environment should trigger an update env.addIncludes(Path::List() << Path("/foo/bar/baz")); QVERIFY(envFile->needsUpdate(&env)); envFile->setEnvironment(env); QVERIFY(!envFile->needsUpdate(&env)); // setting the environment quality higher should require an update env.setQuality(ClangParsingEnvironment::BuildSystem); QVERIFY(envFile->needsUpdate(&env)); envFile->setEnvironment(env); QVERIFY(!envFile->needsUpdate(&env)); // changing defines requires an update env.addDefines(QHash<QString, QString>{ { "foo", "bar" } }); QVERIFY(envFile->needsUpdate(&env)); // but only when changing the defines for the envFile's TU const auto barTU = IndexedString("bar.cpp"); const auto oldTU = env.translationUnitUrl(); env.setTranslationUnitUrl(barTU); QCOMPARE(env.translationUnitUrl(), barTU); QVERIFY(!envFile->needsUpdate(&env)); env.setTranslationUnitUrl(oldTU); QVERIFY(envFile->needsUpdate(&env)); // update it again envFile->setEnvironment(env); QVERIFY(!envFile->needsUpdate(&env)); lastEnv = env; // now compare against a lower quality environment // in such a case, we do not want to trigger an update env.setQuality(ClangParsingEnvironment::Unknown); env.setTranslationUnitUrl(barTU); QVERIFY(!envFile->needsUpdate(&env)); // even when the environment changes env.addIncludes(Path::List() << Path("/lalalala")); QVERIFY(!envFile->needsUpdate(&env)); indexed = top->indexed(); } DUChain::self()->storeToDisk(); { DUChainWriteLocker lock; QVERIFY(!DUChain::self()->isInMemory(indexed.index())); QVERIFY(indexed.data()); QVERIFY(DUChain::self()->environmentFileForDocument(indexed)); auto envFile = QExplicitlySharedDataPointer<ClangParsingEnvironmentFile>( dynamic_cast<ClangParsingEnvironmentFile*>(DUChain::self()->environmentFileForDocument(indexed).data())); QVERIFY(envFile); QCOMPARE(envFile->features(), features); QVERIFY(envFile->featuresSatisfied(features)); QVERIFY(!envFile->needsUpdate(&lastEnv)); DUChain::self()->removeDocumentChain(indexed.data()); } }