[clang] [analyzer][NFC] Introduce framework for checker families (PR #139256)

[Balazs Benics via cfe-commits]

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@@ -40,22 +40,23 @@ template <> struct FoldingSetTrait<ObjectState> {
 
 namespace {
 class VirtualCallChecker
-    : public Checker<check::BeginFunction, check::EndFunction, check::PreCall> {
+    : public CheckerFamily<check::BeginFunction, check::EndFunction,
+                           check::PreCall> {
 public:
-  enum : CheckerPartIdx { PureChecker, ImpureChecker, NumCheckerParts };
-
-  BugType BugTypes[NumCheckerParts] = {
-      {this, PureChecker, "Pure virtual method call",
-       categories::CXXObjectLifecycle},
-      {this, ImpureChecker, "Unexpected loss of virtual dispatch",
-       categories::CXXObjectLifecycle}};
+  CheckerFrontendWithBugType PureChecker{"Pure virtual method call",
+                                         categories::CXXObjectLifecycle},
+      ImpureChecker{"Unexpected loss of virtual dispatch",
+                    categories::CXXObjectLifecycle};
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steakhal wrote:

Please declare data members in separate declarations.

https://github.com/llvm/llvm-project/pull/139256