[PATCH] D142871: [clangd] Semantic highlighting for constrained-parameter

[Nathan Ridge via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG6c4691391419: [clangd] Semantic highlighting for constrained-parameter (authored by nridge).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142871/new/

https://reviews.llvm.org/D142871

Files:
  clang-tools-extra/clangd/FindTarget.cpp
  clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp


Index: clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp
+++ clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp
@@ -1022,7 +1022,7 @@
         class $Class_def[[Z]] {};
         template $Bracket[[<]]typename, typename$Bracket[[>]]
         concept $Concept_decl[[C2]] = true;
-        template $Bracket[[<]]C2$Bracket[[<]]int$Bracket[[>]] $TemplateParameter_def[[A]]$Bracket[[>]]
+        template $Bracket[[<]]$Concept[[C2]]$Bracket[[<]]int$Bracket[[>]] $TemplateParameter_def[[A]]$Bracket[[>]]
         class $Class_def[[B]] {};
       )cpp",
       // no crash
Index: clang-tools-extra/clangd/FindTarget.cpp
===================================================================
--- clang-tools-extra/clangd/FindTarget.cpp
+++ clang-tools-extra/clangd/FindTarget.cpp
@@ -1044,6 +1044,17 @@
     return RecursiveASTVisitor::TraverseConstructorInitializer(Init);
   }
 
+  bool TraverseTypeConstraint(const TypeConstraint *TC) {
+    // We want to handle all ConceptReferences but RAV is missing a
+    // polymorphic Visit or Traverse method for it, so we handle
+    // TypeConstraints specially here.
+    Out(ReferenceLoc{TC->getNestedNameSpecifierLoc(),
+                     TC->getConceptNameLoc(),
+                     /*IsDecl=*/false,
+                     {TC->getNamedConcept()}});
+    return RecursiveASTVisitor::TraverseTypeConstraint(TC);
+  }
+
 private:
   /// Obtain information about a reference directly defined in \p N. Does not
   /// recurse into child nodes, e.g. do not expect references for constructor


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