/**
* Lookup candidates function of name \a methodName within the QObject derivative \a objClass
* its bases, or its private implementation
*/
static llvm::SmallVector<clang::CXXMethodDecl *, 10> lookUpCandidates(const clang::CXXRecordDecl* objClass,
llvm::StringRef methodName)
{
llvm::SmallVector<clang::CXXMethodDecl *, 10> candidates;
clang::CXXMethodDecl *d_func = nullptr;
auto classIt = objClass;
while (classIt) {
if (!classIt->getDefinition())
break;
for (auto mi = classIt->method_begin(); mi != classIt->method_end(); ++mi) {
if (!(*mi)->getIdentifier())
continue;
if ((*mi)->getName() == methodName)
candidates.push_back(*mi);
if (!d_func && (*mi)->getName() == "d_func" && !getResultType(*mi).isNull())
d_func = *mi;
}
// Look in the first base (because the QObject need to be the first base class)
classIt = classIt->getNumBases() == 0 ? nullptr :
classIt->bases_begin()->getType()->getAsCXXRecordDecl();
if (d_func && !classIt && candidates.empty()) {
classIt = getResultType(d_func)->getPointeeCXXRecordDecl();
d_func = nullptr;
}
}
return candidates;
}
virtual void run(const ast_matchers::MatchFinder::MatchResult &result) {
auto decl = result.Nodes.getNodeAs<CXXRecordDecl>("inheritsQListIterator");
if (decl==nullptr) {
return;
}
if (!decl->hasDefinition()) return; // this is needed so bases_begin doesn't crash
auto it = decl->bases_begin();
for (; it && it != decl->bases_end(); ++it) {
auto str = getText(*result.SourceManager,it->getLocStart(),it->getLocEnd()) ;
if (! findNreplace(str,"QListIterator<(\\w+)>","std::list<$1*>::iterator") ) return;
Replace->insert(Replacement(*result.SourceManager, it, str));
}
}
