T * DeclarationBuilder::reopenDeclaration(const QualifiedIdentifier &id,
const RangeInRevision &range,
DUContext *context,
DeclarationKind kind)
{
Declaration *res = nullptr;
DUChainReadLocker rlock;
QList<Declaration *> decls = context->findDeclarations(id);
rlock.unlock();
foreach (Declaration *d, decls) {
Declaration *fitting = dynamic_cast<T*>(d);
if (fitting) {
const bool valid = validReDeclaration(d, id, range, kind);
if (!valid)
return nullptr;
rDebug() << "Reopening the following declaration: " << d->toString();
openDeclarationInternal(d);
d->setRange(range);
setEncountered(d);
// TODO: register the re-opening
res = d;
break;
} else
rDebug() << "Do not reopen since it's not in the same top context";
}
void DeclarationBuilder::visitBlockVariables(Ast *node)
{
DUChainReadLocker rlock;
MethodDeclaration *last = dynamic_cast<MethodDeclaration *>(m_lastMethodCall);
Node *n = node->tree;
if (!n) {
return;
}
uint max = 0, i = 0;
const YieldType *yieldList = nullptr;
if (last) {
yieldList = last->yieldTypes();
max = last->yieldTypesSize();
}
AbstractType::Ptr type;
for (Node *aux = n; aux != nullptr; aux = aux->next, i++) {
node->tree = aux;
if (yieldList && i < max) {
type = yieldList[i].type.abstractType();
} else {
type = getBuiltinsType(QStringLiteral("Object"), currentContext());
}
rlock.unlock();
declareVariable(getIdentifier(node), type, node, DUContext::DontSearchInParent);
rlock.lock();
}
}
void DeclarationBuilder::visitForStatement(Ast *node)
{
Node *aux = node->tree;
node->tree = node->tree->cond;
ExpressionVisitor ev(currentContext(), m_editor);
ev.visitNode(node);
AbstractType::Ptr type = ev.lastType();
DUChainReadLocker rlock;
if (type) {
ClassType::Ptr ctype = type.cast<ClassType>();
if (ctype && ctype->contentType()) {
type = ctype->contentType().abstractType();
} else {
type = getBuiltinsType(QStringLiteral("Object"), currentContext());
}
} else {
type = getBuiltinsType(QStringLiteral("Object"), currentContext());
}
node->tree = aux->r;
for (Node *n = node->tree; n != nullptr; n = n->next) {
node->tree = n;
QualifiedIdentifier id = getIdentifier(node);
rlock.unlock();
declareVariable(id, type, node);
rlock.lock();
}
node->tree = aux;
}
bool DUChainItemData::execute( QString& /*filterText*/ )
{
DUChainReadLocker lock;;
Declaration* decl = m_item.m_item.data();
if(!decl) {
return false;
}
if(m_openDefinition && FunctionDefinition::definition(decl)) {
decl = FunctionDefinition::definition(decl);
}
QUrl url = decl->url().toUrl();
KTextEditor::Cursor cursor = decl->rangeInCurrentRevision().start();
DUContext* internal = decl->internalContext();
if(internal && (internal->type() == DUContext::Other || internal->type() == DUContext::Class)) {
//Move into the body
if(internal->range().end.line > internal->range().start.line) {
cursor = KTextEditor::Cursor(internal->range().start.line+1, 0); //Move into the body
}
}
lock.unlock();
ICore::self()->documentController()->openDocument( url, cursor );
return true;
}
bool ParseJob::isUpdateRequired(const IndexedString& languageString)
{
if (abortRequested()) {
return false;
}
if (minimumFeatures() & TopDUContext::ForceUpdate) {
return true;
}
DUChainReadLocker lock;
if (abortRequested()) {
return false;
}
foreach(const ParsingEnvironmentFilePointer &file, DUChain::self()->allEnvironmentFiles(document())) {
if (file->language() != languageString) {
continue;
}
if (!file->needsUpdate() && file->featuresSatisfied(minimumFeatures())) {
kDebug() << "Already up to date" << document().str();
setDuChain(file->topContext());
lock.unlock();
highlightDUChain();
return false;
}
break;
}
return !abortRequested();
}
void TypeCorrection::executeSpecifyTypeAction()
{
QAction* action = qobject_cast<QAction*>(sender());
if ( ! action ) {
qCWarning(KDEV_PYTHON_CODEGEN) << "slot not invoked by triggering a QAction, should not happen"; // :)
return;
}
DUChainReadLocker lock;
IndexedDeclaration decl = action->data().value<IndexedDeclaration>();
if ( ! decl.isValid() ) {
decl = Helper::declarationUnderCursor();
}
if ( ! decl.isValid() ) {
qCWarning(KDEV_PYTHON_CODEGEN) << "No declaration found!";
return;
}
CorrectionFileGenerator::HintType hintType;
if ( decl.data()->isFunctionDeclaration() ) {
hintType = CorrectionFileGenerator::FunctionReturnHint;
}
else if ( decl.data()->kind() == Declaration::Instance ) {
hintType = CorrectionFileGenerator::LocalVariableHint;
}
else {
qCWarning(KDEV_PYTHON_CODEGEN) << "Correction requested for something that's not a local variable or function.";
return;
}
CorrectionAssistant *dialog = new CorrectionAssistant(decl, hintType);
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->setWindowTitle("Specify type for " + decl.data()->identifier().toString());
connect(dialog, &QDialog::accepted, this, &TypeCorrection::accepted);
m_ui->setupUi(dialog);
connect(m_ui->buttonBox, &QDialogButtonBox::accepted, dialog, &QDialog::accept);
connect(m_ui->buttonBox, &QDialogButtonBox::rejected, dialog, &QDialog::reject);
if ( hintType == CorrectionFileGenerator::FunctionReturnHint ) {
m_ui->kindLabel->setText(i18n("Function return type"));
}
else if ( hintType == CorrectionFileGenerator::LocalVariableHint ) {
m_ui->kindLabel->setText(i18n("Local variable"));
}
m_ui->identifierLabel->setText(decl.data()->qualifiedIdentifier().toString());
m_ui->typeText->setFocus();
dialog->resize(560, 180);
lock.unlock();
dialog->show();
}
void AdaptSignatureAction::execute()
{
DUChainReadLocker lock;
IndexedString url = m_otherSideTopContext->url();
lock.unlock();
m_otherSideTopContext = DUChain::self()->waitForUpdate(url, TopDUContext::AllDeclarationsContextsAndUses);
if (!m_otherSideTopContext) {
clangDebug() << "failed to update" << url.str();
return;
}
lock.lock();
Declaration* otherSide = m_otherSideId.getDeclaration(m_otherSideTopContext.data());
if (!otherSide) {
clangDebug() << "could not find definition";
return;
}
DUContext* functionContext = DUChainUtils::getFunctionContext(otherSide);
if (!functionContext) {
clangDebug() << "no function context";
return;
}
if (!functionContext || functionContext->type() != DUContext::Function) {
clangDebug() << "no correct function context";
return;
}
DocumentChangeSet changes;
KTextEditor::Range parameterRange = ClangIntegration::DUChainUtils::functionSignatureRange(otherSide);
QString newText = CodegenHelper::makeSignatureString(otherSide, m_newSignature, !m_editingDefinition);
if (!m_editingDefinition) {
// append a newline after the method signature in case the method definition follows
newText += QLatin1Char('\n');
}
DocumentChange changeParameters(functionContext->url(), parameterRange, QString(), newText);
changeParameters.m_ignoreOldText = true;
changes.addChange(changeParameters);
changes.setReplacementPolicy(DocumentChangeSet::WarnOnFailedChange);
DocumentChangeSet::ChangeResult result = changes.applyAllChanges();
if (!result) {
KMessageBox::error(0, i18n("Failed to apply changes: %1", result.m_failureReason));
}
emit executed(this);
foreach(RenameAction * renAct, m_renameActions) {
renAct->execute();
}
}
void FunctionDeclarationCompletionItem::executed(KTextEditor::View* view, const KTextEditor::Range& word)
{
qCDebug(KDEV_PYTHON_CODECOMPLETION) << "FunctionDeclarationCompletionItem executed";
KTextEditor::Document* document = view->document();
auto resolvedDecl = Helper::resolveAliasDeclaration(declaration().data());
DUChainReadLocker lock;
auto functionDecl = Helper::functionForCalled(resolvedDecl).declaration;
lock.unlock();
if ( ! functionDecl && (! resolvedDecl || ! resolvedDecl->abstractType()
|| resolvedDecl->abstractType()->whichType() != AbstractType::TypeStructure) ) {
qCritical(KDEV_PYTHON_CODECOMPLETION) << "ERROR: could not get declaration data, not executing completion item!";
return;
}
QString suffix = "()";
KTextEditor::Range checkPrefix(word.start().line(), 0, word.start().line(), word.start().column());
KTextEditor::Range checkSuffix(word.end().line(), word.end().column(), word.end().line(), document->lineLength(word.end().line()));
if ( m_doNotCall || document->text(checkSuffix).trimmed().startsWith('(')
|| document->text(checkPrefix).trimmed().endsWith('@')
|| (functionDecl && Helper::findDecoratorByName(functionDecl, QLatin1String("property"))) )
{
// don't insert brackets if they're already there,
// the item is a decorator, or if it's an import item.
suffix.clear();
}
// place cursor behind bracktes by default
int skip = 2;
if ( functionDecl ) {
bool needsArguments = false;
int argumentCount = functionDecl->type<FunctionType>()->arguments().length();
if ( functionDecl->context()->type() == KDevelop::DUContext::Class ) {
// it's a member function, so it has the implicit self
// TODO static methods
needsArguments = argumentCount > 1;
}
else {
// it's a free function
needsArguments = argumentCount > 0;
}
if ( needsArguments ) {
// place cursor in brackets if there's parameters
skip = 1;
}
}
document->replaceText(word, declaration()->identifier().toString() + suffix);
view->setCursorPosition( Cursor(word.end().line(), word.end().column() + skip) );
}
QList< ReferencedTopDUContext > ParseSession::contextForThisPackage(IndexedString package)
{
QList<ReferencedTopDUContext> contexts;
QUrl url = package.toUrl();
QDir path(url.adjusted(QUrl::RemoveFilename).path());
if(path.exists())
{
int priority = BackgroundParser::WorstPriority;
if(!forExport)
priority = -1; //import this package as soon as possible
else if(m_priority<=-1)
priority = BackgroundParser::WorstPriority-2;//all needed files should be scheduled already
else
priority = m_priority;//currently parsejob does not get created in this cases to reduce recursion
QStringList files = path.entryList(QStringList("*.go"), QDir::Files | QDir::NoSymLinks);
bool shouldReparse=false;
for(QString filename : files)
{
filename = path.filePath(filename);
QFile file(filename);
if(!file.exists())
continue;
if(forExport && filename.endsWith("_test.go"))
continue;
IndexedString url(filename);
DUChainReadLocker lock;
ReferencedTopDUContext context = DUChain::self()->chainForDocument(url);
lock.unlock();
if(context)
contexts.append(context);
else
{
if(scheduleForParsing(url, priority, (TopDUContext::Features)(TopDUContext::ForceUpdate | TopDUContext::AllDeclarationsAndContexts)))
shouldReparse=true;
}
}
if(shouldReparse)
scheduleForParsing(m_document, priority+1, (TopDUContext::Features)(m_features | TopDUContext::ForceUpdate));
}
return contexts;
}
AbstractType::Ptr CodeCompletionContext::getExpressionType(const QString &token)
{
AbstractType::Ptr res;
QString expr = m_text.left(m_text.lastIndexOf(token));
EditorIntegrator e;
ExpressionVisitor ev(m_duContext.data(), &e);
DUChainReadLocker lock;
Parser parser(IndexedString(), expr.toUtf8());
Ast *ast = parser.parse();
if (!ast || !ast->tree) {
return AbstractType::Ptr(nullptr);
}
lock.unlock();
ev.visitCode(ast);
res = ev.lastType();
lock.lock();
return res;
}
/**
* Currently priority order works in this way
* -1: Direct imports of opened file
* 0: opened files
* ...
* 99... imports of imports of imports....
* 99998: Imports of direct imports(needed to resolve types of some function)
* 99999: Reparse of direct imports, after its imports are finished
* 100000: reparse of opened file, after all recursive imports
* layers higher than 99998 are NOT parsed right now because its too slow
*/
QList<ReferencedTopDUContext> ParseSession::contextForImport(QString package)
{
package = package.mid(1, package.length()-2);
QStringList files;
//try canonical paths first
if(m_canonicalImports && m_canonicalImports->contains(package))
{
QDir path((*m_canonicalImports)[package]);
if(path.exists())
{
for(const QString& file : path.entryList(QStringList("*.go"), QDir::Files | QDir::NoSymLinks))
files.append(path.filePath(file));
}
}
if(files.empty())
{
for(const QString& pathname : m_includePaths)
{
QDir path(pathname);
if(path.exists() && path.cd(package))
{
for(const QString& file : path.entryList(QStringList("*.go"), QDir::Files | QDir::NoSymLinks))
files.append(path.filePath(file));
break;
}
}
}
QList<ReferencedTopDUContext> contexts;
bool shouldReparse=false;
//reduce priority if it is recursive import
//int priority = forExport ? m_priority + 2 : m_priority - 1;
int priority = BackgroundParser::WorstPriority;
if(!forExport)
priority = -1; //parse direct imports as soon as possible
else if(m_priority<=-1)
priority = BackgroundParser::WorstPriority-2;//imports of direct imports to the stack bottom
else
priority = m_priority - 2;//currently parsejob does not get created in this cases to reduce recursion
for(QString filename : files)
{
QFile file(filename);
if(!file.exists())
continue;
//test files are not part of binary package, so we can exclude them
//we parse test files only if we open them in KDevelop
if(filename.endsWith("_test.go"))
continue;
IndexedString url(filename);
DUChainReadLocker lock;
ReferencedTopDUContext context = DUChain::self()->chainForDocument(url);
lock.unlock();
if(context)
contexts.append(context);
else
{
if(scheduleForParsing(url, priority, (TopDUContext::Features)(TopDUContext::ForceUpdate | TopDUContext::AllDeclarationsAndContexts)))
shouldReparse = true;
}
}
if(shouldReparse)
//reparse this file after its imports are done
scheduleForParsing(m_document, priority+1, (TopDUContext::Features)(m_features | TopDUContext::ForceUpdate));
if(!forExport && m_priority != BackgroundParser::WorstPriority)//always schedule last reparse after all recursive imports are done
scheduleForParsing(m_document, BackgroundParser::WorstPriority, (TopDUContext::Features)(m_features | TopDUContext::ForceUpdate));
return contexts;
}
void TestCppCodegen::testSimplifiedUpdating()
{
{
InsertIntoDUChain code1("duchaintest_1.h", "template <typename T> struct test{};"
"template <> struct test<int> {};");
code1.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST);
DUChainReadLocker lock;
//No specializations are handled in simplified parsing
Cpp::TemplateDeclaration *specClassDecl = dynamic_cast<Cpp::TemplateDeclaration*>(code1->localDeclarations()[1]);
QVERIFY(!specClassDecl->specializedFrom().data());
}
{
InsertIntoDUChain code1("duchaintest_1.h", "struct A { struct Member2; struct Member1; };");
InsertIntoDUChain code3("duchaintest_3.h", "#include <duchaintest_1.h>\n struct C : public A { Member1 m1; Member2 m2; };");
qWarning() << "********************* Parsing step 1";
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST);
DUChainReadLocker lock;
QCOMPARE(code3->localDeclarations().size(), 1);
QCOMPARE(code3->childContexts().size(), 1);
QCOMPARE(code3->childContexts()[0]->localDeclarations().size(), 2);
QVERIFY(code3->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QVERIFY(code3->childContexts()[0]->localDeclarations()[1]->abstractType().cast<StructureType>());
QCOMPARE(code3->childContexts()[0]->importedParentContexts().size(), 1);
QCOMPARE(code1->childContexts().size(), 1);
}
{
InsertIntoDUChain code1("duchaintest_1.h", "struct A { struct Member1; };");
InsertIntoDUChain code2("duchaintest_2.h", "template<class T> struct B : public T{ struct Member2; };");
InsertIntoDUChain code3("duchaintest_3.h", "#include <duchaintest_2.h>\n #include <duchaintest_1.h>\n struct C : public B<A> { Member1 m1; Member2 m2; };");
qWarning() << "********************* Parsing step 1";
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST);
DUChainReadLocker lock;
QCOMPARE(code3->localDeclarations().size(), 1);
QCOMPARE(code3->childContexts().size(), 1);
QCOMPARE(code3->childContexts()[0]->localDeclarations().size(), 2);
QVERIFY(code3->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QVERIFY(code3->childContexts()[0]->localDeclarations()[1]->abstractType().cast<StructureType>());
QCOMPARE(code3->childContexts()[0]->importedParentContexts().size(), 1);
QCOMPARE(code1->childContexts().size(), 1);
QCOMPARE(code2->localDeclarations().size(), 1);
ClassDeclaration* BClass = dynamic_cast<ClassDeclaration*>(code2->localDeclarations()[0]);
QVERIFY(BClass);
QCOMPARE(BClass->baseClassesSize(), 1u);
QCOMPARE(BClass->baseClasses()[0].baseClass.abstractType()->toString(), QString("T"));
QCOMPARE(code3->childContexts()[0]->importedParentContexts().size(), 1);
DUContext* BAContext = code3->childContexts()[0]->importedParentContexts()[0].context(code3.topContext());
QVERIFY(BAContext);
QVERIFY(!BAContext->inSymbolTable());
//2 contexts are imported: The template-context and the parent-class context
QCOMPARE(BAContext->importedParentContexts().size(), 2);
QCOMPARE(BAContext->importedParentContexts()[1].context(code3.topContext()), code1->childContexts()[0]);
ClassDeclaration* classDecl = dynamic_cast<ClassDeclaration*>(BAContext->owner());
QVERIFY(classDecl);
QCOMPARE(classDecl->baseClassesSize(), 1u);
QCOMPARE(classDecl->baseClasses()[0].baseClass.index(), code1->localDeclarations()[0]->indexedType().index());
lock.unlock();
qWarning() << "********************* Parsing step 2";
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::ForceUpdateRecursive, true);
lock.lock();
QCOMPARE(code3->localDeclarations().size(), 1);
QCOMPARE(code3->childContexts().size(), 1);
QCOMPARE(code3->childContexts()[0]->localDeclarations().size(), 2);
QCOMPARE(code1->childContexts().size(), 1);
QVERIFY(code3->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QVERIFY(code3->childContexts()[0]->localDeclarations()[1]->abstractType().cast<StructureType>());
//BClass should have been updated, not deleted
QVERIFY(BClass == dynamic_cast<ClassDeclaration*>(code2->localDeclarations()[0]));
QCOMPARE(BClass->baseClassesSize(), 1u);
QCOMPARE(BClass->baseClasses()[0].baseClass.abstractType()->toString(), QString("T"));
//The template-instantiation context "B<A>" should have been deleted
DUContext* BAContext2 = code3->childContexts()[0]->importedParentContexts()[0].context(code3.topContext());
// qDebug() << "BAContexts" << BAContext << BAContext2;
// QVERIFY(BAContext != BAContext2);
QCOMPARE(BAContext2->importedParentContexts().size(), 2);
QCOMPARE(BAContext2->importedParentContexts()[1].context(code3.topContext()), code1->childContexts()[0]);
classDecl = dynamic_cast<ClassDeclaration*>(BAContext2->owner());
QVERIFY(classDecl);
QCOMPARE(classDecl->baseClassesSize(), 1u);
QCOMPARE(classDecl->baseClasses()[0].baseClass.index(), code1->localDeclarations()[0]->indexedType().index());
}
{
InsertIntoDUChain code1("duchaintest_1.h", "struct A { struct Member1; };");
InsertIntoDUChain code2("duchaintest_2.h", "template<class T> struct B : public T{ struct Member2; };");
InsertIntoDUChain code3("duchaintest_3.h", "#include <duchaintest_2.h>\n #include <duchaintest_1.h>\n typedef B<A> Parent; struct C : public Parent { Member1 m1; Member2 m2; };");
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST);
DUChainReadLocker lock;
QCOMPARE(code3->localDeclarations().size(), 2);
QCOMPARE(code3->childContexts().size(), 1);
QCOMPARE(code3->childContexts()[0]->localDeclarations().size(), 2);
QVERIFY(code3->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QVERIFY(code3->childContexts()[0]->localDeclarations()[1]->abstractType().cast<StructureType>());
lock.unlock();
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::ForceUpdateRecursive, true);
lock.lock();
QCOMPARE(code3->localDeclarations().size(), 2);
QCOMPARE(code3->childContexts().size(), 1);
QCOMPARE(code3->childContexts()[0]->localDeclarations().size(), 2);
QVERIFY(code3->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QVERIFY(code3->childContexts()[0]->localDeclarations()[1]->abstractType().cast<StructureType>());
}
{
QString text = "class C { class D d; };";
InsertIntoDUChain code("testsimplified.cpp", text);
code.parse(TopDUContext::AllDeclarationsContextsUsesAndAST);
DUChainReadLocker lock;
dumpAST(code);
//The forward-declaration of 'D' is forwarded into the top-context
QCOMPARE(code->localDeclarations().size(), 2);
Declaration* classDecl = code->localDeclarations()[0];
QCOMPARE(code->childContexts().size(), 1);
QCOMPARE(code->childContexts()[0]->localDeclarations().size(), 1);
QVERIFY(code->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QCOMPARE(code->childContexts()[0]->localDeclarations()[0]->abstractType()->toString(), QString("D"));
lock.unlock();
code.parse(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::ForceUpdate, true);
lock.lock();
QCOMPARE(code->localDeclarations().size(), 2);
//Verify that an update has happened, rather than recreating everything
QCOMPARE(code->localDeclarations()[0], classDecl);
QCOMPARE(code->childContexts().size(), 1);
QCOMPARE(code->childContexts()[0]->localDeclarations().size(), 1);
QVERIFY(code->childContexts()[0]->localDeclarations()[0]->abstractType().cast<StructureType>());
QCOMPARE(code->childContexts()[0]->localDeclarations()[0]->abstractType()->toString(), QString("D"));
}
{
QString text = "class C {int test(); int mem; }; void test(int a); int i;";
InsertIntoDUChain code("testsimplified.cpp", text);
code.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST);
DUChainReadLocker lock;
dumpAST(code);
QCOMPARE(code->localDeclarations().size(), 3);
QCOMPARE(code->childContexts().size(), 1);
QCOMPARE(code->childContexts()[0]->localDeclarations().size(), 2);
QVERIFY(!code->childContexts()[0]->localDeclarations()[0]->abstractType());
QVERIFY(!code->childContexts()[0]->localDeclarations()[1]->abstractType());
//In simplified parsing mode, the type should not have been built
QVERIFY(!code->localDeclarations()[0]->abstractType());
QVERIFY(code->localDeclarations()[0]->kind() == Declaration::Type);
QVERIFY(!code->localDeclarations()[1]->abstractType());
QVERIFY(code->localDeclarations()[1]->kind() == Declaration::Instance);
QVERIFY(!code->localDeclarations()[2]->abstractType());
QVERIFY(code->localDeclarations()[2]->kind() == Declaration::Instance);
{
uint count;
const KDevelop::CodeModelItem* items;
KDevelop::CodeModel::self().items(code->url(), count, items);
for(uint a = 0; a < count; ++a) {
if(items[a].id == code->localDeclarations()[0]->qualifiedIdentifier()) {
QVERIFY(items[a].kind & KDevelop::CodeModelItem::Class);
}
}
}
}
{
InsertIntoDUChain codeA("A.h", "#ifndef A_H\n #define A_H\n class A{}; \n#endif");
InsertIntoDUChain codeB("B.h", "#include <A.h>\n class B{};");
codeB.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::Recursive);
DUChainReadLocker lock;
//This is not only for debug-output, but also verifies that the AST is there as requesed
dumpAST(codeA);
QCOMPARE(codeB->importedParentContexts().size(), 1);
QCOMPARE(codeA->localDeclarations().size(), 1);
QVERIFY(codeA->parsingEnvironmentFile()->featuresSatisfied((TopDUContext::Features)(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::Recursive)));
QVERIFY(codeB->parsingEnvironmentFile()->featuresSatisfied((TopDUContext::Features)(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::Recursive)));
lock.unlock();
//Update with more features
codeB.parse(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::Recursive, true);
lock.lock();
QCOMPARE(codeB->importedParentContexts().size(), 1);
QCOMPARE(codeA->localDeclarations().size(), 1);
QVERIFY(codeA->parsingEnvironmentFile()->featuresSatisfied((TopDUContext::Features)(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::Recursive)));
QVERIFY(codeB->parsingEnvironmentFile()->featuresSatisfied((TopDUContext::Features)(TopDUContext::AllDeclarationsContextsUsesAndAST | TopDUContext::Recursive)));
}
{
///Test whether "empty" files work
InsertIntoDUChain codeA("Q.h", "");
InsertIntoDUChain codeB("B.h", "#include <Q.h>\n class B{};");
codeB.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::Recursive);
DUChainReadLocker lock;
QCOMPARE(codeB->importedParentContexts().size(), 1);
QVERIFY(codeA->localDeclarations().isEmpty());
QVERIFY(!codeA->parsingEnvironmentFile()->isProxyContext());
}
{
///Test the 'ignoring' of header-guards
InsertIntoDUChain codeA("A.h", "#ifndef A_H\n #define A_H\n class A{};\n #ifdef HONK\n class Honk {};\n #endif\n \n#endif \n");
InsertIntoDUChain codeB("B.h", "#define A_H\n \n #include <A.h>\n class B{};");
QVERIFY(!codeA.tryGet());
codeB.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::Recursive);
DUChainReadLocker lock;
//This is not only for debug-output, but also verifies that the AST is there as requesed
dumpAST(codeA);
QCOMPARE(codeA->localDeclarations().size(), 1);
QCOMPARE(codeB->importedParentContexts().size(), 1);
lock.unlock();
codeB.parse(TopDUContext::SimplifiedVisibleDeclarationsAndContexts | TopDUContext::AST | TopDUContext::ForceUpdateRecursive | TopDUContext::Recursive);
lock.lock();
QCOMPARE(codeA->localDeclarations().size(), 1);
QCOMPARE(codeB->importedParentContexts().size(), 1);
}
}
void TestCppCodegen::testUpdateIndices()
{
/// @todo Extend this test to make sure t hat all kinds of declarations retain their indices when they are updated
{
InsertIntoDUChain code1("duchaintest_1.h", "class QW{}; struct A { struct Member2; struct Member1; }; class Oq{};");
InsertIntoDUChain code3("duchaintest_3.h", "#include <duchaintest_1.h>\n struct C : public A { Member1 m1; Member2 m2; A test(int arg) { int v1; \n{}\n { int v2, *v3; }} int test(); };");
qWarning() << "********************* Parsing step 1";
code3.parse(TopDUContext::AllDeclarationsContextsUsesAndAST);
DUChainReadLocker lock;
IndexedDeclaration CDecl = code3.getDeclaration("C");
QVERIFY(CDecl.isValid());
IndexedDeclaration ADecl = code3.getDeclaration("A");
QVERIFY(ADecl.isValid());
IndexedDeclaration C_m1 = code3.getDeclaration("C::m1");
QVERIFY(C_m1.isValid());
IndexedDeclaration C_m2 = code3.getDeclaration("C::m2");
QVERIFY(C_m2.isValid());
QVERIFY(CDecl.declaration()->internalContext());
QCOMPARE(CDecl.declaration()->internalContext()->localDeclarations().size(), 4);
IndexedDeclaration C_test = CDecl.declaration()->internalContext()->localDeclarations()[2];
QVERIFY(C_test.isValid());
DUContext* testCtx = C_test.data()->internalContext();
QVERIFY(testCtx);
QCOMPARE(testCtx->localDeclarations().size(), 1);
IndexedDeclaration C_test_v1 = testCtx->localDeclarations()[0];
QCOMPARE(testCtx->childContexts().size(), 2);
DUContext* child = testCtx->childContexts()[1];
QCOMPARE(child->localDeclarations().size(), 2);
IndexedDeclaration C_test_v2 = child->localDeclarations()[0];
IndexedDeclaration C_test_v3 = child->localDeclarations()[1];
QCOMPARE(C_test_v1.declaration()->identifier(), Identifier("v1"));
QCOMPARE(C_test_v2.declaration()->identifier(), Identifier("v2"));
QCOMPARE(C_test_v3.declaration()->identifier(), Identifier("v3"));
QCOMPARE(C_m1.declaration()->identifier(), Identifier("m1"));
QCOMPARE(C_m2.declaration()->identifier(), Identifier("m2"));
QCOMPARE(C_test.declaration()->identifier(), Identifier("test"));
QCOMPARE(CDecl.declaration()->identifier(), Identifier("C"));
QCOMPARE(ADecl.declaration()->identifier(), Identifier("A"));
lock.unlock();
code1.m_insertedCode.setText("struct A { struct Member2; struct Member1; };");
code3.m_insertedCode.setText("#include <duchaintest_1.h>\n class Q{}; struct C : public A { Member2 m2; int c; A test(int arg) { int w1; int v1;\n\n { int *v3; }} int test(); };");
code3.parse(TopDUContext::AllDeclarationsContextsAndUses | TopDUContext::ForceUpdateRecursive, true);
lock.lock();
QVERIFY(ADecl.declaration());
QCOMPARE(ADecl.declaration()->identifier(), Identifier("A"));
QVERIFY(CDecl.declaration());
QCOMPARE(CDecl.declaration()->identifier(), Identifier("C"));
QVERIFY(!C_m1.declaration());
QVERIFY(C_m2.declaration());
QCOMPARE(C_m2.declaration()->identifier(), Identifier("m2"));
QVERIFY(C_test.declaration());
QCOMPARE(C_test.declaration()->identifier(), Identifier("test"));
QVERIFY(C_test_v1.declaration());
QCOMPARE(C_test_v1.declaration()->identifier(), Identifier("v1"));
QVERIFY(!C_test_v2.declaration());
QVERIFY(C_test_v3.declaration());
QCOMPARE(C_test_v3.declaration()->identifier(), Identifier("v3"));
}
}
void DeclarationBuilder::visitAssignmentStatement(Ast *node)
{
QList<AbstractType::Ptr> values;
QList<DeclarationPointer> declarations;
QList<bool> alias;
DUChainReadLocker lock;
/* First of all, fetch the types and declaration on the right side */
Ast *aux = new Ast(node->tree->r, node->context);
for (Node *n = aux->tree; n != nullptr; n = n->next) {
ExpressionVisitor v(currentContext(), m_editor);
aux->tree = n;
lock.unlock();
// TODO: improve this
DeclarationBuilderBase::visitNode(aux);
v.visitNode(aux);
lock.lock();
values << v.lastType();
alias << v.lastAlias();
declarations << v.lastDeclaration();
}
lock.unlock();
/*
* Check if we can unpack. If it's possible, do it and get out! We can
* unpack if the following conditions are satisfied:
* - More than 1 expressions on the left side.
* - Just one expression on the right side, which has Array as its type.
*/
int rsize = values.length();
if (rsize == 1) {
int rest = nodeListSize(node->tree->l);
ClassType::Ptr ct = values.first().cast<ClassType>();
if (rest > 1 && ct && ct->contentType()) {
lock.lock();
QualifiedIdentifier qi = ct.data()->declaration(topContext())->qualifiedIdentifier();
lock.unlock();
if (qi == QualifiedIdentifier("Array")) {
for (Node *n = node->tree->l; n != nullptr; n = n->next) {
aux->tree = n;
QualifiedIdentifier id = getIdentifier(aux);
declareVariable(id, ct->contentType().abstractType(), aux);
}
delete aux;
return;
}
}
}
/*
* We cannot unpack, so iterate over the left side expressions
* and assign types.
*/
int i = 0;
AbstractType::Ptr type;
for (Node *n = node->tree->l; n != nullptr; n = n->next, i++) {
if (n->kind == token_method_call)
continue;
aux->tree = n;
if (has_star(n)) {
int rest = nodeListSize(n) - 1;
int pack = rsize - i - rest;
ClassType::Ptr newType = getBuiltinsType(QStringLiteral("Array"), currentContext()).cast<ClassType>();
DUChainWriteLocker wlock;
for (int j = pack; j > 0; j--, i++) {
newType->addContentType(values.at(i));
}
wlock.unlock();
i--;
if (!is_just_a_star(n)) {
QualifiedIdentifier id = getIdentifier(aux);
declareVariable(id, newType.cast<AbstractType>(), aux);
}
} else if (i < rsize) {
if (alias.at(i)) {
DUChainWriteLocker wlock;
RangeInRevision range = getNameRange(aux);
QualifiedIdentifier id = getIdentifier(aux);
AliasDeclaration *d = openDeclaration<AliasDeclaration>(id, range);
d->setAliasedDeclaration(declarations.at(i).data());
closeDeclaration();
} else {
type = values.at(i);
if (!type) { // HACK: provisional fix, should be removed in the future
type = getBuiltinsType(QStringLiteral("Object"), currentContext());
}
QualifiedIdentifier id = getIdentifier(aux);
declareVariable(id, type, aux);
}
} else {
lock.lock();
type = getBuiltinsType(QStringLiteral("NilClass"), currentContext());
lock.unlock();
QualifiedIdentifier id = getIdentifier(aux);
declareVariable(id, type, aux);
}
}
delete aux;
}
