[PATCH] D120949: [clang][AST matchers] adding attributedStmt AST matcher

[Alister Johnson via Phabricator via cfe-commits]

ajohnson-uoregon updated this revision to Diff 412878.
ajohnson-uoregon added a comment.

arcanist why


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120949/new/

https://reviews.llvm.org/D120949

Files:
  clang/include/clang/ASTMatchers/ASTMatchers.h
  clang/lib/ASTMatchers/Dynamic/Registry.cpp


Index: clang/lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -356,6 +356,7 @@
   REGISTER_MATCHER(hasSpecializedTemplate);
   REGISTER_MATCHER(hasStaticStorageDuration);
   REGISTER_MATCHER(hasStructuredBlock);
+  REGISTER_MATCHER(hasSubStmt);
   REGISTER_MATCHER(hasSyntacticForm);
   REGISTER_MATCHER(hasTargetDecl);
   REGISTER_MATCHER(hasTemplateArgument);
Index: clang/include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- clang/include/clang/ASTMatchers/ASTMatchers.h
+++ clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -2737,6 +2737,22 @@
   return false;
 }
 
+/// Matches the statement an attribute is attached to.
+///
+/// Example:
+/// \code
+///   attributedStmt(hasSubStmt(returnStmt()))
+/// \endcode
+/// would match return 1; here:
+/// \code
+///   else [[unlikely]]
+///     return 1;
+/// \endcode
+AST_MATCHER_P(AttributedStmt, hasSubStmt, internal::Matcher<Stmt>, InnerMatcher) {
+  const Stmt *const Statement = Node.getSubStmt();
+  return (Statement != nullptr && InnerMatcher.matches(*Statement, Finder, Builder));
+}
+
 /// Matches \c QualTypes in the clang AST.
 extern const internal::VariadicAllOfMatcher<QualType> qualType;
 


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