CPlusPlus::Function *CppFunction::function(int line, int column, const QString &fileName)
{
const CPlusPlus::Snapshot snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
const CPlusPlus::Document::Ptr document = snapshot.document(fileName);
if (!document)
return 0;
CPlusPlus::Symbol *symbol = document->lastVisibleSymbolAt(line, column);
if (!symbol)
return 0;
// Find the enclosing function scope (which might be several levels up, or we might be standing on it)
CPlusPlus::Scope *scope;
if (symbol->isScope())
scope = symbol->asScope();
else
scope = symbol->enclosingScope();
while (scope && !scope->isFunction() )
scope = scope->enclosingScope();
if (!scope)
return 0;
return scope->asFunction();
}
static bool includesQtTest(const CPlusPlus::Document::Ptr &doc,
const CppTools::CppModelManager *cppMM)
{
static QString expectedHeaderPrefix
= Utils::HostOsInfo::isMacHost()
? QLatin1String("QtTest.framework/Headers")
: QLatin1String("QtTest");
const QList<CPlusPlus::Document::Include> includes = doc->resolvedIncludes();
foreach (const CPlusPlus::Document::Include &inc, includes) {
// TODO this short cut works only for #include <QtTest>
// bad, as there could be much more different approaches
if (inc.unresolvedFileName() == QLatin1String("QtTest")
&& inc.resolvedFileName().endsWith(
QString::fromLatin1("%1/QtTest").arg(expectedHeaderPrefix))) {
return true;
}
}
if (cppMM) {
CPlusPlus::Snapshot snapshot = cppMM->snapshot();
const QSet<QString> allIncludes = snapshot.allIncludesForDocument(doc->fileName());
foreach (const QString &include, allIncludes) {
if (include.endsWith(QString::fromLatin1("%1/qtest.h").arg(expectedHeaderPrefix))) {
return true;
}
}
}
return false;
}
static bool includesQtQuickTest(const CPlusPlus::Document::Ptr &doc,
const CppTools::CppModelManager *cppMM)
{
static QString expectedHeaderPrefix
= Utils::HostOsInfo::isMacHost()
? QLatin1String("QtQuickTest.framework/Headers")
: QLatin1String("QtQuickTest");
const QList<CPlusPlus::Document::Include> includes = doc->resolvedIncludes();
foreach (const CPlusPlus::Document::Include &inc, includes) {
if (inc.unresolvedFileName() == QLatin1String("QtQuickTest/quicktest.h")
&& inc.resolvedFileName().endsWith(
QString::fromLatin1("%1/quicktest.h").arg(expectedHeaderPrefix))) {
return true;
}
}
if (cppMM) {
foreach (const QString &include, cppMM->snapshot().allIncludesForDocument(doc->fileName())) {
if (include.endsWith(QString::fromLatin1("%1/quicktest.h").arg(expectedHeaderPrefix)))
return true;
}
}
return false;
}
void CppTodoItemsScanner::processDocument(CPlusPlus::Document::Ptr doc)
{
QList<TodoItem> itemList;
CPlusPlus::TranslationUnit *translationUnit = doc->translationUnit();
for (unsigned i = 0; i < translationUnit->commentCount(); ++i) {
// Get comment source
CPlusPlus::Token token = doc->translationUnit()->commentAt(i);
QByteArray source = doc->utf8Source().mid(token.begin(), token.length()).trimmed();
if ((token.kind() == CPlusPlus::T_COMMENT) || (token.kind() == CPlusPlus::T_DOXY_COMMENT)) {
// Remove trailing "*/"
source = source.left(source.length() - 2);
}
// Process every line of the comment
// TODO: Do not create QStringList, just iterate through a string tracking line endings.
const QStringList commentLines =
QString::fromUtf8(source).split(QLatin1Char('\n'), QString::SkipEmptyParts);
unsigned lineNumber = 0;
translationUnit->getPosition(token.begin(), &lineNumber);
for (int j = 0; j < commentLines.count(); ++j) {
const QString &commentLine = commentLines.at(j);
processCommentLine(doc->fileName(), commentLine, lineNumber + j, itemList);
}
}
emit itemsFetched(doc->fileName(), itemList);
}
QString AbstractEditorSupport::functionAt(const CppModelManagerInterface *modelManager,
const QString &fileName,
int line, int column)
{
const CPlusPlus::Snapshot snapshot = modelManager->snapshot();
const CPlusPlus::Document::Ptr document = snapshot.document(fileName);
if (!document)
return QString();
if (const CPlusPlus::Symbol *symbol = document->lastVisibleSymbolAt(line, column))
if (const CPlusPlus::Scope *scope = symbol->enclosingScope())
if (const CPlusPlus::Scope *functionScope = scope->enclosingFunction())
if (const CPlusPlus::Symbol *function = functionScope) {
const CPlusPlus::Overview o;
QString rc = o.prettyName(function->name());
// Prepend namespace "Foo::Foo::foo()" up to empty root namespace
for (const CPlusPlus::Symbol *owner = function->enclosingNamespace();
owner; owner = owner->enclosingNamespace()) {
const QString name = o.prettyName(owner->name());
if (name.isEmpty()) {
break;
} else {
rc.prepend(QLatin1String("::"));
rc.prepend(name);
}
}
return rc;
}
return QString();
}
// Inline helper with integer error return codes.
static inline
int getUninitializedVariablesI(const CPlusPlus::Snapshot &snapshot,
const QString &functionName,
const QString &file,
int line,
QStringList *uninitializedVariables)
{
uninitializedVariables->clear();
// Find document
if (snapshot.isEmpty() || functionName.isEmpty() || file.isEmpty() || line < 1)
return 1;
const CPlusPlus::Snapshot::const_iterator docIt = snapshot.find(file);
if (docIt == snapshot.end())
return 2;
const CPlusPlus::Document::Ptr doc = docIt.value();
// Look at symbol at line and find its function. Either it is the
// function itself or some expression/variable.
const CPlusPlus::Symbol *symbolAtLine = doc->lastVisibleSymbolAt(line, 0);
if (!symbolAtLine)
return 4;
// First figure out the function to do a safety name check
// and the innermost scope at cursor position
const CPlusPlus::Function *function = 0;
const CPlusPlus::Scope *innerMostScope = 0;
if (symbolAtLine->isFunction()) {
function = symbolAtLine->asFunction();
if (function->memberCount() == 1) // Skip over function block
if (CPlusPlus::Block *block = function->memberAt(0)->asBlock())
innerMostScope = block;
} else {
if (const CPlusPlus::Scope *functionScope = symbolAtLine->enclosingFunction()) {
function = functionScope->asFunction();
innerMostScope = symbolAtLine->isBlock() ?
symbolAtLine->asBlock() :
symbolAtLine->enclosingBlock();
}
}
if (!function || !innerMostScope)
return 7;
// Compare function names with a bit off fuzz,
// skipping modules from a CDB symbol "lib!foo" or namespaces
// that the code model does not show at this point
CPlusPlus::Overview overview;
const QString name = overview.prettyName(function->name());
if (!functionName.endsWith(name))
return 11;
if (functionName.size() > name.size()) {
const char previousChar = functionName.at(functionName.size() - name.size() - 1).toLatin1();
if (previousChar != ':' && previousChar != '!' )
return 11;
}
// Starting from the innermost block scope, collect declarations.
SeenHash seenHash;
blockRecursion(overview, innerMostScope, line, uninitializedVariables, &seenHash);
return 0;
}
void BuiltinEditorDocumentProcessor::onParserFinished(CPlusPlus::Document::Ptr document,
CPlusPlus::Snapshot snapshot)
{
if (document.isNull())
return;
if (document->fileName() != filePath())
return; // some other document got updated
if (document->editorRevision() != revision())
return; // outdated content, wait for a new document to be parsed
if (debug) {
qDebug() << "BuiltinEditorDocumentProcessor: document parsed" << document->fileName()
<< document->editorRevision();
}
// Emit ifdefed out blocks
const auto ifdefoutBlocks = toTextEditorBlocks(document->skippedBlocks());
emit ifdefedOutBlocksUpdated(revision(), ifdefoutBlocks);
// Emit code warnings
auto codeWarnings = toTextEditorSelections(document->diagnosticMessages(), textDocument());
emit codeWarningsUpdated(revision(), codeWarnings);
emit cppDocumentUpdated(document);
m_documentSnapshot = snapshot;
const auto source = createSemanticInfoSource(false);
QTC_CHECK(source.snapshot.contains(document->fileName()));
m_semanticInfoUpdater.updateDetached(source);
}
static QString quickTestName(const CPlusPlus::Document::Ptr &doc)
{
const QList<CPlusPlus::Document::MacroUse> macros = doc->macroUses();
foreach (const CPlusPlus::Document::MacroUse ¯o, macros) {
if (!macro.isFunctionLike())
continue;
const QByteArray name = macro.macro().name();
if (QuickTestUtils::isQuickTestMacro(name)) {
CPlusPlus::Document::Block arg = macro.arguments().at(0);
return QLatin1String(CppParser::getFileContent(doc->fileName())
.mid(arg.bytesBegin(), arg.bytesEnd() - arg.bytesBegin()));
}
}
return QString();
}
void CppIncludesIterator::fetchMore()
{
while (!m_queuedPaths.isEmpty() && m_resultQueue.isEmpty()) {
const QString filePath = *m_queuedPaths.begin();
m_queuedPaths.remove(filePath);
CPlusPlus::Document::Ptr doc = m_snapshot.document(filePath);
if (!doc)
continue;
foreach (const QString &includedPath, doc->includedFiles()) {
if (!m_allResultPaths.contains(includedPath)) {
m_allResultPaths.insert(includedPath);
m_queuedPaths.insert(includedPath);
m_resultQueue.append(includedPath);
}
}
}
}
// TODO: Can this be improved? This code is ripped from CppEditor, especially CppElementEvaluater
// We cannot depend on this since CppEditor plugin code is internal and requires building the implementation files ourselves
CPlusPlus::Symbol *AnalyzerUtils::findSymbolUnderCursor()
{
EditorManager *editorManager = EditorManager::instance();
if (!editorManager)
return 0;
IEditor *editor = editorManager->currentEditor();
if (!editor)
return 0;
TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor);
if (!textEditor)
return 0;
TextEditor::BaseTextEditorWidget *editorWidget = qobject_cast<TextEditor::BaseTextEditorWidget *>(editor->widget());
if (!editorWidget)
return 0;
QPlainTextEdit *ptEdit = qobject_cast<QPlainTextEdit *>(editor->widget());
if (!ptEdit)
return 0;
QTextCursor tc;
tc = ptEdit->textCursor();
int line = 0;
int column = 0;
const int pos = tc.position();
editorWidget->convertPosition(pos, &line, &column);
const CPlusPlus::Snapshot &snapshot = CPlusPlus::CppModelManagerInterface::instance()->snapshot();
CPlusPlus::Document::Ptr doc = snapshot.document(editor->document()->fileName());
QTC_ASSERT(doc, return 0)
// fetch the expression's code
CPlusPlus::ExpressionUnderCursor expressionUnderCursor;
moveCursorToEndOfName(&tc);
const QString &expression = expressionUnderCursor(tc);
CPlusPlus::Scope *scope = doc->scopeAt(line, column);
CPlusPlus::TypeOfExpression typeOfExpression;
typeOfExpression.init(doc, snapshot);
const QList<CPlusPlus::LookupItem> &lookupItems = typeOfExpression(expression.toUtf8(), scope);
if (lookupItems.isEmpty())
return 0;
const CPlusPlus::LookupItem &lookupItem = lookupItems.first(); // ### TODO: select best candidate.
return lookupItem.declaration();
}
void CppLocatorData::onDocumentUpdated(const CPlusPlus::Document::Ptr &document)
{
QMutexLocker locker(&m_pendingDocumentsMutex);
int i = 0, ei = m_pendingDocuments.size();
for (; i < ei; ++i) {
const CPlusPlus::Document::Ptr &doc = m_pendingDocuments.at(i);
if (doc->fileName() == document->fileName()
&& doc->revision() < document->revision()) {
m_pendingDocuments[i] = document;
break;
}
}
if (i == ei)
m_pendingDocuments.append(document);
flushPendingDocument(false);
}
bool CppElementEvaluator::matchIncludeFile(const CPlusPlus::Document::Ptr &document, unsigned line)
{
foreach (const Document::Include &includeFile, document->includes()) {
if (includeFile.line() == line) {
m_element = QSharedPointer<CppElement>(new CppInclude(includeFile));
return true;
}
}
return false;
}
void CppElementEvaluator::checkDiagnosticMessage(const CPlusPlus::Document::Ptr &document,
unsigned line)
{
foreach (const Document::DiagnosticMessage &m, document->diagnosticMessages()) {
if (m.line() == line) {
m_diagnosis = m.text();
break;
}
}
}
static bool includesGTest(const CPlusPlus::Document::Ptr &doc,
const CppTools::CppModelManager *cppMM)
{
const QString gtestH = QLatin1String("gtest/gtest.h");
foreach (const CPlusPlus::Document::Include &inc, doc->resolvedIncludes()) {
if (inc.resolvedFileName().endsWith(gtestH))
return true;
}
if (cppMM) {
const CPlusPlus::Snapshot snapshot = cppMM->snapshot();
foreach (const QString &include, snapshot.allIncludesForDocument(doc->fileName())) {
if (include.endsWith(gtestH))
return true;
}
}
return false;
}
bool CppElementEvaluator::matchMacroInUse(const CPlusPlus::Document::Ptr &document, unsigned pos)
{
foreach (const Document::MacroUse &use, document->macroUses()) {
if (use.contains(pos)) {
const unsigned begin = use.begin();
if (pos < begin + use.macro().name().length()) {
m_element = QSharedPointer<CppElement>(new CppMacro(use.macro()));
return true;
}
}
}
return false;
}
static bool handleQtQuickTest(QFutureInterface<TestParseResultPtr> futureInterface,
CPlusPlus::Document::Ptr document,
const Core::Id &id)
{
const CppTools::CppModelManager *modelManager = CppTools::CppModelManager::instance();
if (quickTestName(document).isEmpty())
return false;
const QString cppFileName = document->fileName();
QList<CppTools::ProjectPart::Ptr> ppList = modelManager->projectPart(cppFileName);
if (ppList.isEmpty()) // happens if shutting down while parsing
return false;
const QString &proFile = ppList.at(0)->projectFile;
const QString srcDir = quickTestSrcDir(modelManager, cppFileName);
if (srcDir.isEmpty())
return false;
const QList<QmlJS::Document::Ptr> qmlDocs = scanDirectoryForQuickTestQmlFiles(srcDir);
bool result = false;
foreach (const QmlJS::Document::Ptr &qmlJSDoc, qmlDocs)
result |= checkQmlDocumentForQuickTestCode(futureInterface, qmlJSDoc, id, proFile);
return result;
}
GTestVisitor::GTestVisitor(CPlusPlus::Document::Ptr doc)
: CPlusPlus::ASTVisitor(doc->translationUnit())
, m_document(doc)
{
}
void CppLocatorFilter::onDocumentUpdated(CPlusPlus::Document::Ptr doc)
{
m_searchList[doc->fileName()] = search(doc);
}
void CppTodoItemsScanner::documentUpdated(CPlusPlus::Document::Ptr doc)
{
if (shouldProcessFile(doc->fileName()))
processDocument(doc);
}
