================
@@ -68,32 +70,57 @@ static std::string getDREAncestorString(const DeclRefExpr
*DRE,
if (StParents.size() > 1)
return "unavailable due to multiple parents";
- if (StParents.size() == 0)
+ if (StParents.empty())
break;
St = StParents.begin()->get<Stmt>();
if (St)
SS << " ==> ";
} while (St);
return SS.str();
}
+
} // namespace
#endif /* NDEBUG */
-namespace clang::ast_matchers {
+namespace {
+// Using a custom matcher instead of ASTMatchers to achieve better performance.
----------------
ziqingluo-90 wrote:
nvm, I realized that `FastMatcher` is mainly an adapter to our interfaces.
https://github.com/llvm/llvm-project/pull/125492
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