bool ExpressionVisitor::encounterParent(const QString& declaration)
{
if (declaration != QLatin1String("parent") ||
!QmlJS::isQmlFile(m_context)) {
return false;
}
// Go up until we find a class context (the enclosing QML component)
const DUContext* parent = m_context;
Declaration* owner;
while (parent && parent->type() != DUContext::Class) {
parent = parent->parentContext();
}
// Take the parent context of the current QML component, it is its parent
// component
if (parent) {
parent = parent->parentContext();
}
// Parent now points to the parent QML component. This is not always what
// the user wants when typing "parent", but already works well for
// "anchors.centerIn: parent" and things like that.
if (parent &&
(owner = QmlJS::getOwnerOfContext(parent)) &&
owner->abstractType()) {
encounterLvalue(DeclarationPointer(owner));
instantiateCurrentDeclaration();
return true;
}
return false;
}
bool ExpressionVisitor::visit(QmlJS::AST::ThisExpression* node)
{
Q_UNUSED(node)
DUChainReadLocker lock;
DUContext* paramsContext;
DUContext* internalContext;
Declaration* owner;
// "this" points to the current function (not semantically valid in JS,
// but this allows ExpressionVisitor to see the declarations of the
// function's prototype)
if (m_context->type() == DUContext::Other && // Code of the function
(paramsContext = m_context->parentContext()) && // Parameters of the function (this context has the function as owner)
(owner = QmlJS::getOwnerOfContext(paramsContext)) && // The function itself (owner of its parameters)
(internalContext = QmlJS::getInternalContext(DeclarationPointer(owner))) && // The prototype context of the function
(owner = QmlJS::getOwnerOfContext(internalContext)) && // The function that declared the prototype context (paramsContext may belong to a method of a class)
owner->abstractType()) {
encounterLvalue(DeclarationPointer(owner));
instantiateCurrentDeclaration();
} else {
encounterNothing();
}
return false;
}
QString DUChainItemData::text() const
{
DUChainReadLocker lock;;
Declaration* decl = m_item.m_item.data();
if(!decl)
return i18n("Not available any more: %1", m_item.m_text);
if(FunctionDefinition* def = dynamic_cast<FunctionDefinition*>(decl)) {
if(def->declaration()) {
decl = def->declaration();
}
}
QString text = decl->qualifiedIdentifier().toString();
if(!decl->abstractType()) {
//With simplified representation, still mark functions as such by adding parens
if(dynamic_cast<AbstractFunctionDeclaration*>(decl)) {
text += QLatin1String("(...)");
}
}else if(TypePtr<FunctionType> function = decl->type<FunctionType>()) {
text += function->partToString( FunctionType::SignatureArguments );
}
return text;
}
//Returns only the name, no template-parameters or scope
QString cursorItemText() {
KDevelop::DUChainReadLocker lock( DUChain::lock() );
Declaration* decl = cursorDeclaration();
if(!decl)
return QString();
IDocument* doc = ICore::self()->documentController()->activeDocument();
if(!doc)
return QString();
TopDUContext* context = DUChainUtils::standardContextForUrl( doc->url() );
if( !context ) {
qCDebug(PLUGIN_QUICKOPEN) << "Got no standard context";
return QString();
}
AbstractType::Ptr t = decl->abstractType();
IdentifiedType* idType = dynamic_cast<IdentifiedType*>(t.data());
if( idType && idType->declaration(context) )
decl = idType->declaration(context);
if(!decl->qualifiedIdentifier().isEmpty())
return decl->qualifiedIdentifier().last().identifier().str();
return QString();
}
void TestDUChainMultipleFiles::testForeachImportedIdentifier()
{
// see https://bugs.kde.org/show_bug.cgi?id=269369
TopDUContext::Features features = TopDUContext::VisibleDeclarationsAndContexts;
TestProject* project = new TestProject;
m_projectController->clearProjects();
m_projectController->addProject(project);
// build dependency
TestFile f1("<? class SomeIterator implements Countable, Iterator { }", "php", project);
f1.parse(features);
f1.waitForParsed();
TestFile f2("<?\n"
"class A {\n"
" public function foo() { $i = $this->bar(); foreach($i as $a => $b) {} } \n"
" public function bar() { $a = new SomeIterator(); return $a; }\n"
" }\n", "php", project);
for(int i = 0; i < 2; ++i) {
if (i > 0) {
features = static_cast<TopDUContext::Features>(features | TopDUContext::ForceUpdate);
}
f2.parse(features);
f2.waitForParsed();
QTest::qWait(100);
DUChainWriteLocker lock(DUChain::lock());
DUContext* ACtx = f2.topContext()->childContexts().first();
QVERIFY(ACtx);
Declaration* iDec = ACtx->childContexts().at(1)->localDeclarations().first();
QVERIFY(iDec);
Declaration* SomeIteratorDec = f1.topContext()->localDeclarations().first();
QVERIFY(SomeIteratorDec);
if (i == 0) {
QEXPECT_FAIL("", "needs a full two-pass (i.e. get rid of PreDeclarationBuilder)", Continue);
}
QVERIFY(iDec->abstractType()->equals(SomeIteratorDec->abstractType().constData()));
QVERIFY(f2.topContext()->imports(f1.topContext(), CursorInRevision(0, 0)));
}
}
void ExpressionVisitor::encounterObjectAtLocation(const QmlJS::AST::SourceLocation& location)
{
DUChainReadLocker lock;
// Find the anonymous declaration corresponding to the function. This is
// the owner of the current context (function expressions create new contexts)
Declaration* dec = QmlJS::getOwnerOfContext(m_context->topContext()->findContextAt(
CursorInRevision(location.startLine-1, location.startColumn)
));
if (dec && dec->abstractType()) {
encounterLvalue(DeclarationPointer(dec));
} else {
encounterNothing();
}
}
QString DeclarationNavigationContext::html(bool shorten)
{
clear();
m_shorten = shorten;
modifyHtml() += "<html><body><p>" + fontSizePrefix(shorten);
addExternalHtml(m_prefix);
if(!m_declaration.data()) {
modifyHtml() += i18n("<br /> lost declaration <br />");
return currentHtml();
}
if( m_previousContext ) {
QString link = createLink( m_previousContext->name(), m_previousContext->name(), NavigationAction(m_previousContext) );
modifyHtml() += navigationHighlight(i18n("Back to %1<br />", link));
}
QExplicitlySharedDataPointer<IDocumentation> doc;
if( !shorten ) {
doc = ICore::self()->documentationController()->documentationForDeclaration(m_declaration.data());
const AbstractFunctionDeclaration* function = dynamic_cast<const AbstractFunctionDeclaration*>(m_declaration.data());
if( function ) {
htmlFunction();
} else if( m_declaration->isTypeAlias() || m_declaration->kind() == Declaration::Instance ) {
if( m_declaration->isTypeAlias() )
modifyHtml() += importantHighlight("type ");
if(m_declaration->type<EnumeratorType>())
modifyHtml() += i18n("enumerator ");
if( !m_declaration->isTypeAlias())
modifyHtml() += ' ' + identifierHighlight(declarationName(m_declaration).toHtmlEscaped(), m_declaration) + " ";
AbstractType::Ptr useType = m_declaration->abstractType();
if(m_declaration->isTypeAlias()) {
//Do not show the own name as type of typedefs
if(useType.cast<TypeAliasType>())
useType = useType.cast<TypeAliasType>()->type();
}
eventuallyMakeTypeLinks( useType );
modifyHtml() += "<br>";
}else{
if( m_declaration->kind() == Declaration::Type && m_declaration->abstractType().cast<StructureType>()) {
htmlClass();
}
if ( m_declaration->kind() == Declaration::Namespace ) {
modifyHtml() += i18n("namespace %1 ", identifierHighlight(m_declaration->qualifiedIdentifier().toString().toHtmlEscaped(), m_declaration));
}
if(m_declaration->type<EnumerationType>()) {
EnumerationType::Ptr enumeration = m_declaration->type<EnumerationType>();
modifyHtml() += i18n("enumeration %1 ", identifierHighlight(m_declaration->identifier().toString().toHtmlEscaped(), m_declaration));
}
if(m_declaration->isForwardDeclaration()) {
ForwardDeclaration* forwardDec = static_cast<ForwardDeclaration*>(m_declaration.data());
Declaration* resolved = forwardDec->resolve(m_topContext.data());
if(resolved) {
modifyHtml() += i18n("( resolved forward-declaration: ");
makeLink(resolved->identifier().toString(), KDevelop::DeclarationPointer(resolved), NavigationAction::NavigateDeclaration );
modifyHtml() += i18n(") ");
}else{
modifyHtml() += i18n("(unresolved forward-declaration) ");
QualifiedIdentifier id = forwardDec->qualifiedIdentifier();
uint count;
const IndexedDeclaration* decls;
PersistentSymbolTable::self().declarations(id, count, decls);
for(uint a = 0; a < count; ++a) {
if(decls[a].isValid() && !decls[a].data()->isForwardDeclaration()) {
modifyHtml() += "<br />";
makeLink(i18n("possible resolution from"), KDevelop::DeclarationPointer(decls[a].data()), NavigationAction::NavigateDeclaration);
modifyHtml() += ' ' + decls[a].data()->url().str();
}
}
}
}
modifyHtml() += "<br />";
}
}else{
AbstractType::Ptr showType = m_declaration->abstractType();
if(showType && showType.cast<FunctionType>()) {
showType = showType.cast<FunctionType>()->returnType();
if(showType)
modifyHtml() += labelHighlight(i18n("Returns: "));
}else if(showType) {
modifyHtml() += labelHighlight(i18n("Type: "));
}
if(showType) {
eventuallyMakeTypeLinks(showType);
modifyHtml() += " ";
}
}
QualifiedIdentifier identifier = m_declaration->qualifiedIdentifier();
if( identifier.count() > 1 ) {
if( m_declaration->context() && m_declaration->context()->owner() )
{
Declaration* decl = m_declaration->context()->owner();
FunctionDefinition* definition = dynamic_cast<FunctionDefinition*>(decl);
if(definition && definition->declaration())
decl = definition->declaration();
if(decl->abstractType().cast<EnumerationType>())
modifyHtml() += labelHighlight(i18n("Enum: "));
else
modifyHtml() += labelHighlight(i18n("Container: "));
makeLink( declarationName(DeclarationPointer(decl)), DeclarationPointer(decl), NavigationAction::NavigateDeclaration );
modifyHtml() += " ";
} else {
QualifiedIdentifier parent = identifier;
parent.pop();
modifyHtml() += labelHighlight(i18n("Scope: %1 ", typeHighlight(parent.toString().toHtmlEscaped())));
}
}
if( shorten && !m_declaration->comment().isEmpty() ) {
QString comment = QString::fromUtf8(m_declaration->comment());
if( comment.length() > 60 ) {
comment.truncate(60);
comment += "...";
}
comment.replace('\n', " ");
comment.replace("<br />", " ");
comment.replace("<br/>", " ");
modifyHtml() += commentHighlight(comment.toHtmlEscaped()) + " ";
}
QString access = stringFromAccess(m_declaration);
if( !access.isEmpty() )
modifyHtml() += labelHighlight(i18n("Access: %1 ", propertyHighlight(access.toHtmlEscaped())));
///@todo Enumerations
QString detailsHtml;
QStringList details = declarationDetails(m_declaration);
if( !details.isEmpty() ) {
bool first = true;
foreach( const QString &str, details ) {
if( !first )
detailsHtml += ", ";
first = false;
detailsHtml += propertyHighlight(str);
}
}
void AliasDeclaration::setAliasedDeclaration(const IndexedDeclaration& decl) {
d_func_dynamic()->m_aliasedDeclaration = decl;
Declaration* aliased = decl.data();
if(aliased)
Declaration::setAbstractType(aliased->abstractType());
}
