[clang-tidy][readability-container-contains] Fix matching of non-binaryOperator cases (#110386)

Fix #79437.

Author: nicovank

clang-tools-extra/clang-tidy/readability/ContainerContainsCheck.cpp

@@ -62,44 +62,44 @@ void ContainerContainsCheck::registerMatchers(MatchFinder *Finder) {
                          .bind("positiveComparison"),
                      this);
   AddSimpleMatcher(
-      binaryOperator(hasOperatorName("!="), hasOperands(CountCall, Literal0))
+      binaryOperation(hasOperatorName("!="), hasOperands(CountCall, Literal0))
           .bind("positiveComparison"));
   AddSimpleMatcher(
-      binaryOperator(hasLHS(CountCall), hasOperatorName(">"), hasRHS(Literal0))
+      binaryOperation(hasLHS(CountCall), hasOperatorName(">"), hasRHS(Literal0))
           .bind("positiveComparison"));
   AddSimpleMatcher(
-      binaryOperator(hasLHS(Literal0), hasOperatorName("<"), hasRHS(CountCall))
-          .bind("positiveComparison"));
-  AddSimpleMatcher(
-      binaryOperator(hasLHS(CountCall), hasOperatorName(">="), hasRHS(Literal1))
-          .bind("positiveComparison"));
-  AddSimpleMatcher(
-      binaryOperator(hasLHS(Literal1), hasOperatorName("<="), hasRHS(CountCall))
+      binaryOperation(hasLHS(Literal0), hasOperatorName("<"), hasRHS(CountCall))
           .bind("positiveComparison"));
+  AddSimpleMatcher(binaryOperation(hasLHS(CountCall), hasOperatorName(">="),
+                                   hasRHS(Literal1))
+                       .bind("positiveComparison"));
+  AddSimpleMatcher(binaryOperation(hasLHS(Literal1), hasOperatorName("<="),
+                                   hasRHS(CountCall))
+                       .bind("positiveComparison"));
 
   // Find inverted membership tests which use `count()`.
   AddSimpleMatcher(
-      binaryOperator(hasOperatorName("=="), hasOperands(CountCall, Literal0))
-          .bind("negativeComparison"));
-  AddSimpleMatcher(
-      binaryOperator(hasLHS(CountCall), hasOperatorName("<="), hasRHS(Literal0))
-          .bind("negativeComparison"));
-  AddSimpleMatcher(
-      binaryOperator(hasLHS(Literal0), hasOperatorName(">="), hasRHS(CountCall))
+      binaryOperation(hasOperatorName("=="), hasOperands(CountCall, Literal0))
           .bind("negativeComparison"));
+  AddSimpleMatcher(binaryOperation(hasLHS(CountCall), hasOperatorName("<="),
+                                   hasRHS(Literal0))
+                       .bind("negativeComparison"));
+  AddSimpleMatcher(binaryOperation(hasLHS(Literal0), hasOperatorName(">="),
+                                   hasRHS(CountCall))
+                       .bind("negativeComparison"));
   AddSimpleMatcher(
-      binaryOperator(hasLHS(CountCall), hasOperatorName("<"), hasRHS(Literal1))
+      binaryOperation(hasLHS(CountCall), hasOperatorName("<"), hasRHS(Literal1))
           .bind("negativeComparison"));
   AddSimpleMatcher(
-      binaryOperator(hasLHS(Literal1), hasOperatorName(">"), hasRHS(CountCall))
+      binaryOperation(hasLHS(Literal1), hasOperatorName(">"), hasRHS(CountCall))
           .bind("negativeComparison"));
 
   // Find membership tests based on `find() == end()`.
   AddSimpleMatcher(
-      binaryOperator(hasOperatorName("!="), hasOperands(FindCall, EndCall))
+      binaryOperation(hasOperatorName("!="), hasOperands(FindCall, EndCall))
           .bind("positiveComparison"));
   AddSimpleMatcher(
-      binaryOperator(hasOperatorName("=="), hasOperands(FindCall, EndCall))
+      binaryOperation(hasOperatorName("=="), hasOperands(FindCall, EndCall))
           .bind("negativeComparison"));
 }
 

clang-tools-extra/docs/ReleaseNotes.rst

@@ -238,7 +238,8 @@ Changes in existing checks
 
 - Improved :doc:`readability-container-contains
   <clang-tidy/checks/readability/container-contains>` check to let it work on
-  any class that has a ``contains`` method.
+  any class that has a ``contains`` method. Fix some false negatives in the
+  ``find()`` case.
 
 - Improved :doc:`readability-enum-initial-value
   <clang-tidy/checks/readability/enum-initial-value>` check by only issuing

clang-tools-extra/test/clang-tidy/checkers/readability/container-contains.cpp

@@ -1,14 +1,19 @@
-// RUN: %check_clang_tidy -std=c++20-or-later %s readability-container-contains %t
+// RUN: %check_clang_tidy -std=c++11-or-later %s readability-container-contains %t
 
 // Some *very* simplified versions of `map` etc.
 namespace std {
 
 template <class Key, class T>
 struct map {
+  struct iterator {
+    bool operator==(const iterator &Other) const;
+    bool operator!=(const iterator &Other) const;
+  };
+
   unsigned count(const Key &K) const;
   bool contains(const Key &K) const;
-  void *find(const Key &K);
-  void *end();
+  iterator find(const Key &K);
+  iterator end();
 };
 
 template <class Key>