[PATCH] D157326: [clang-tidy] Fix handling of out-of-line functions in readability-static-accessed-through-instance

[Piotr Zegar via Phabricator via cfe-commits]

PiotrZSL updated this revision to Diff 548066.
PiotrZSL marked an inline comment as done.
PiotrZSL added a comment.

Fix 'auto'


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157326/new/

https://reviews.llvm.org/D157326

Files:
  clang-tools-extra/clang-tidy/readability/StaticAccessedThroughInstanceCheck.cpp
  clang-tools-extra/docs/ReleaseNotes.rst
  clang-tools-extra/test/clang-tidy/checkers/readability/static-accessed-through-instance.cpp


Index: clang-tools-extra/test/clang-tidy/checkers/readability/static-accessed-through-instance.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/readability/static-accessed-through-instance.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/readability/static-accessed-through-instance.cpp
@@ -363,3 +363,20 @@
 }
 
 } // namespace llvm_issue_61736
+
+namespace PR51861 {
+  class Foo {
+    public:
+      static Foo& getInstance();
+      static int getBar();
+  };
+
+  inline int Foo::getBar() { return 42; }
+
+  void test() {
+    auto& params = Foo::getInstance();
+    params.getBar();
+    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: static member accessed through instance [readability-static-accessed-through-instance]
+    // CHECK-FIXES: {{^}}    PR51861::Foo::getBar();{{$}}
+  }
+}
Index: clang-tools-extra/docs/ReleaseNotes.rst
===================================================================
--- clang-tools-extra/docs/ReleaseNotes.rst
+++ clang-tools-extra/docs/ReleaseNotes.rst
@@ -192,6 +192,10 @@
   <clang-tidy/checks/readability/identifier-naming>` check to emit proper
   warnings when a type forward declaration precedes its definition.
 
+- Improved :doc:`readability-static-accessed-through-instance
+  <clang-tidy/checks/readability/static-accessed-through-instance>` check to
+  identify calls to static member functions with out-of-class inline definitions.
+
 Removed checks
 ^^^^^^^^^^^^^^
 
Index: clang-tools-extra/clang-tidy/readability/StaticAccessedThroughInstanceCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/readability/StaticAccessedThroughInstanceCheck.cpp
+++ clang-tools-extra/clang-tidy/readability/StaticAccessedThroughInstanceCheck.cpp
@@ -15,8 +15,12 @@
 
 namespace clang::tidy::readability {
 
+namespace {
+AST_MATCHER(CXXMethodDecl, isStatic) { return Node.isStatic(); }
+} // namespace
+
 static unsigned getNameSpecifierNestingLevel(const QualType &QType) {
-  if (const ElaboratedType *ElType = QType->getAs<ElaboratedType>()) {
+  if (const auto *ElType = QType->getAs<ElaboratedType>()) {
     if (const NestedNameSpecifier *NestedSpecifiers = ElType->getQualifier()) {
       unsigned NameSpecifierNestingLevel = 1;
       do {
@@ -38,7 +42,7 @@
 
 void StaticAccessedThroughInstanceCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(
-      memberExpr(hasDeclaration(anyOf(cxxMethodDecl(isStaticStorageClass()),
+      memberExpr(hasDeclaration(anyOf(cxxMethodDecl(isStatic()),
                                       varDecl(hasStaticStorageDuration()),
                                       enumConstantDecl())))
           .bind("memberExpression"),


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