[PATCH] D153331: [clangd][c++20]Consider rewritten binary operators in TargetFinder

[Jens Massberg via Phabricator via cfe-commits]

massberg updated this revision to Diff 532867.
massberg added a comment.

Fix test name


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153331/new/

https://reviews.llvm.org/D153331

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


Index: clang-tools-extra/clangd/unittests/HoverTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/HoverTests.cpp
+++ clang-tools-extra/clangd/unittests/HoverTests.cpp
@@ -4048,6 +4048,38 @@
   EXPECT_TRUE(H->Type);
 }
 
+TEST(Hover, RewrittenBinaryOperatorSpaceship) {
+  Annotations T(R"cpp(
+  namespace std {
+  struct strong_ordering {
+    int n;
+    constexpr operator int() const { return n; }
+    static const strong_ordering equal, greater, less;
+  };
+  constexpr strong_ordering strong_ordering::equal = {0};
+  constexpr strong_ordering strong_ordering::greater = {1};
+  constexpr strong_ordering strong_ordering::less = {-1};
+  }
+
+  struct Foo
+  {
+    int x;
+    // Foo spaceship
+    auto operator<=>(const Foo&) const = default;
+  };
+
+  static_assert(Foo(1) !^= Foo(2));
+  )cpp");
+
+  TestTU TU = TestTU::withCode(T.code());
+  TU.ExtraArgs.push_back("-std=c++20");
+  auto AST = TU.build();
+  auto HI = getHover(AST, T.point(), format::getLLVMStyle(), nullptr);
+  EXPECT_EQ(HI->Type,
+            HoverInfo::PrintedType("bool (const Foo &) const noexcept"));
+  EXPECT_EQ(HI->Documentation, "Foo spaceship");
+}
+
 } // namespace
 } // namespace clangd
 } // namespace clang
Index: clang-tools-extra/clangd/FindTarget.cpp
===================================================================
--- clang-tools-extra/clangd/FindTarget.cpp
+++ clang-tools-extra/clangd/FindTarget.cpp
@@ -347,6 +347,10 @@
       void VisitCXXDeleteExpr(const CXXDeleteExpr *CDE) {
         Outer.add(CDE->getOperatorDelete(), Flags);
       }
+      void
+      VisitCXXRewrittenBinaryOperator(const CXXRewrittenBinaryOperator *RBO) {
+        Outer.add(RBO->getDecomposedForm().InnerBinOp, Flags);
+      }
     };
     Visitor(*this, Flags).Visit(S);
   }


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