[PATCH] D94927: [clangd] Use ASTSignals in Heuristics CC Ranking.

[Utkarsh Saxena via Phabricator via cfe-commits]

usaxena95 created this revision.
Herald added subscribers: kadircet, arphaman.
usaxena95 requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D94927

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


Index: clang-tools-extra/clangd/Quality.cpp
===================================================================
--- clang-tools-extra/clangd/Quality.cpp
+++ clang-tools-extra/clangd/Quality.cpp
@@ -474,6 +474,17 @@
   if (NeedsFixIts)
     Score *= 0.5f;
 
+  if (MainFileRefs >= 2) {
+    // E.g.: (2, 1.12), (9, 2.0), (48, 3.0).
+    float S = std::pow(MainFileRefs, -0.11);
+    Score *= 11.0 * (1 - S) / (1 + S) + 0.7;
+  }
+  if (ScopeRefsInFile >= 2) {
+    // E.g.: (2, 1.04), (14, 2.0), (109, 3.0), (400, 3.6).
+    float S = std::pow(ScopeRefsInFile, -0.10);
+    Score *= 10.0 * (1 - S) / (1 + S) + 0.7;
+  }
+
   return Score;
 }
 


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