[PATCH] D94289: [clangd] Add go-to-def metric.

[Haojian Wu via Phabricator via cfe-commits]

hokein updated this revision to Diff 315480.
hokein marked 3 inline comments as done.
hokein added a comment.

address comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94289/new/

https://reviews.llvm.org/D94289

Files:
  clang-tools-extra/clangd/XRefs.cpp


Index: clang-tools-extra/clangd/XRefs.cpp
===================================================================
--- clang-tools-extra/clangd/XRefs.cpp
+++ clang-tools-extra/clangd/XRefs.cpp
@@ -336,6 +336,8 @@
   // Keep track of SymbolID -> index mapping, to fill in index data later.
   llvm::DenseMap<SymbolID, size_t> ResultIndex;
 
+  static constexpr trace::Metric LocateASTReferentMetric(
+      "locate_ast_referent", trace::Metric::Counter, "case");
   auto AddResultDecl = [&](const NamedDecl *D) {
     D = getPreferredDecl(D);
     auto Loc =
@@ -369,8 +371,10 @@
       // saved in the AST.
       if (CMD->isPure()) {
         if (TouchedIdentifier && SM.getSpellingLoc(CMD->getLocation()) ==
-                                     TouchedIdentifier->location())
+                                     TouchedIdentifier->location()) {
           VirtualMethods.insert(getSymbolID(CMD));
+          LocateASTReferentMetric.record(1, "method-to-override");
+        }
       }
       // Special case: void foo() ^override: jump to the overridden method.
       const InheritableAttr *Attr = D->getAttr<OverrideAttr>();
@@ -379,6 +383,7 @@
       if (Attr && TouchedIdentifier &&
           SM.getSpellingLoc(Attr->getLocation()) ==
               TouchedIdentifier->location()) {
+        LocateASTReferentMetric.record(1, "method-to-base");
         // We may be overridding multiple methods - offer them all.
         for (const NamedDecl *ND : CMD->overridden_methods())
           AddResultDecl(ND);
@@ -403,6 +408,7 @@
     if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
       if (TouchedIdentifier &&
           D->getLocation() == TouchedIdentifier->location()) {
+        LocateASTReferentMetric.record(1, "template-specialization-to-primary");
         AddResultDecl(CTSD->getSpecializedTemplate());
         continue;
       }
@@ -418,9 +424,12 @@
       if (const auto *ID = CD->getClassInterface())
         if (TouchedIdentifier &&
             (CD->getLocation() == TouchedIdentifier->location() ||
-             ID->getName() == TouchedIdentifier->text(SM)))
+             ID->getName() == TouchedIdentifier->text(SM))) {
+          LocateASTReferentMetric.record(1, "objc-category-to-class");
           AddResultDecl(ID);
+        }
 
+    LocateASTReferentMetric.record(1, "regular");
     // Otherwise the target declaration is the right one.
     AddResultDecl(D);
   }


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