[clang-tools-extra] Enforce SL.con.3: Add check to replace operator[] with at() [Cont.] (PR #95220)

[Julian Schmidt via cfe-commits]

Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>,
Paul =?utf-8?q?Heidekrüger?= <paul.heidekrueger at tum.de>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/95220 at github.com>


================
@@ -0,0 +1,142 @@
+namespace std {
+  template<typename T, unsigned size>
+  struct array {
+    T operator[](unsigned i) {
+      return T{1};
+    }
+    T at(unsigned i) {
+      return T{1};
+    }
+  };
+
+  template<typename T, typename V>
+  struct map {
+    T operator[](unsigned i) {
+      return T{1};
+    }
+    T at(unsigned i) {
+      return T{1};
+    }
+  };
+
+  template<typename T>
+  struct unique_ptr {
+    T operator[](unsigned i) {
+      return T{1};
+    }
+  };
+
+  template<typename T>
+  struct span {
+    T operator[](unsigned i) {
+      return T{1};
+    }
+  };
+} // namespace std
+
+namespace json {
+  template<typename T>
+  struct node{
+    T operator[](unsigned i) {
+      return T{1};
+    }
+  };
+} // namespace json
+
+struct SubClass : std::array<int, 3> {};
+
+class ExcludedClass1 {
+  public:
+    int operator[](unsigned i) {
+      return 1;
+    }
+    int at(unsigned i) {
+      return 1;
+    }
+};
+
+class ExcludedClass2 {
+  public:
+    int operator[](unsigned i) {
+      return 1;
+    }
+    int at(unsigned i) {
+      return 1;
+    }
+};
+
+
+// RUN: %check_clang_tidy %s \
+// RUN: cppcoreguidelines-prefer-at-over-subscript-operator %t -- \
+// RUN: -config='{CheckOptions: {cppcoreguidelines-prefer-at-over-subscript-operator.ExcludeClasses: "ExcludedClass1;ExcludedClass2"}}'
----------------
5chmidti wrote:

`RUN` lines should be at the top of the file

https://github.com/llvm/llvm-project/pull/95220