================
@@ -11,16 +11,134 @@
#include "PtrTypesSemantics.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/AST/StmtVisitor.h"
#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
+#include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/SetVector.h"
#include <optional>
using namespace clang;
using namespace ento;
namespace {
+
+class DerefAnalysisVisitor
+ : public ConstStmtVisitor<DerefAnalysisVisitor, bool> {
+ // Returns true if any of child statements return true.
+ bool VisitChildren(const Stmt *S) {
+ for (const Stmt *Child : S->children()) {
+ if (Child && Visit(Child))
+ return true;
+ }
+ return false;
+ }
+
+ bool VisitBody(const Stmt *Body) {
+ if (!Body)
+ return false;
+
+ auto [It, IsNew] = VisitedBody.insert(Body);
+ if (!IsNew) // This body is recursive
----------------
rniwa wrote:
We could do that.
https://github.com/llvm/llvm-project/pull/92837
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