void QDeleteAll::VisitStmt(clang::Stmt *stmt)
{
// Find a call to QMap/QSet/QHash::values
CXXMemberCallExpr *valuesCall = dyn_cast<CXXMemberCallExpr>(stmt);
if (valuesCall &&
valuesCall->getDirectCallee() &&
valuesCall->getDirectCallee()->getNameAsString() == "values")
{
const std::string valuesClassName = valuesCall->getMethodDecl()->getParent()->getNameAsString();
if (valuesClassName == "QMap" || valuesClassName == "QSet" || valuesClassName == "QHash") { // QMultiHash and QMultiMap automatically supported
// Once found see if the first parent call is qDeleteAll
int i = 1;
Stmt *p = Utils::parent(m_parentMap, stmt, i);
while (p) {
CallExpr *pc = dyn_cast<CallExpr>(p);
if (pc) {
if (pc->getDirectCallee() && pc->getDirectCallee()->getNameAsString() == "qDeleteAll") {
emitWarning(p->getLocStart(), "Calling qDeleteAll with " + valuesClassName + "::values, call qDeleteAll on the container itself");
}
break;
}
++i;
p = Utils::parent(m_parentMap, stmt, i);
}
}
}
}
