// Resolves auto and decltype initializer string
QList<LookupItem> TypeResolver::resolveDeclInitializer(
CreateBindings &factory, const Declaration *decl,
const QSet<const Declaration* > &declarationsBeingResolved,
const Identifier *id)
{
const StringLiteral *initializationString = decl->getInitializer();
if (initializationString == 0)
return QList<LookupItem>();
const QByteArray &initializer =
QByteArray::fromRawData(initializationString->chars(),
initializationString->size()).trimmed();
// Skip lambda-function initializers
if (initializer.length() > 0 && initializer[0] == '[')
return QList<LookupItem>();
TypeOfExpression exprTyper;
exprTyper.setExpandTemplates(true);
Document::Ptr doc = factory.snapshot().document(QString::fromLocal8Bit(decl->fileName()));
exprTyper.init(doc, factory.snapshot(), factory.sharedFromThis(), declarationsBeingResolved);
Document::Ptr exprDoc =
documentForExpression(exprTyper.preprocessedExpression(initializer));
factory.addExpressionDocument(exprDoc);
exprDoc->check();
if (id) {
DeduceAutoCheck deduceAuto(id, exprDoc->translationUnit());
if (deduceAuto._block)
return QList<LookupItem>();
}
return exprTyper(extractExpressionAST(exprDoc), exprDoc, decl->enclosingScope());
}
// @todo: Consider refactoring code from CPPEditor::findLinkAt into here.
void CppElementEvaluator::execute()
{
clear();
if (!m_modelManager)
return;
const Snapshot &snapshot = m_modelManager->snapshot();
Document::Ptr doc = snapshot.document(m_editor->editorDocument()->fileName());
if (!doc)
return;
int line = 0;
int column = 0;
const int pos = m_tc.position();
m_editor->convertPosition(pos, &line, &column);
checkDiagnosticMessage(pos);
if (!matchIncludeFile(doc, line) && !matchMacroInUse(doc, pos)) {
CppTools::moveCursorToEndOfIdentifier(&m_tc);
// Fetch the expression's code
ExpressionUnderCursor expressionUnderCursor;
const QString &expression = expressionUnderCursor(m_tc);
Scope *scope = doc->scopeAt(line, column);
TypeOfExpression typeOfExpression;
typeOfExpression.init(doc, snapshot);
// make possible to instantiate templates
typeOfExpression.setExpandTemplates(true);
const QList<LookupItem> &lookupItems = typeOfExpression(expression.toUtf8(), scope);
if (lookupItems.isEmpty())
return;
const LookupItem &lookupItem = lookupItems.first(); // ### TODO: select best candidate.
handleLookupItemMatch(snapshot, lookupItem, typeOfExpression.context());
}
}
