[PATCH] D139087: [include-cleaner] Handle base class member access from derived class.

[Viktoriia Bakalova via Phabricator via cfe-commits]

VitaNuo created this revision.
Herald added a subscriber: kadircet.
Herald added a project: All.
VitaNuo requested review of this revision.
Herald added a project: clang-tools-extra.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139087

Files:
  clang-tools-extra/include-cleaner/lib/WalkAST.cpp
  clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp


Index: clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
===================================================================
--- clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
+++ clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp
@@ -172,10 +172,12 @@
 }
 
 TEST(WalkAST, MemberExprs) {
-  testWalk("struct S { void $explicit^foo(); };", "void foo() { S{}.^foo(); }");
+  testWalk("struct $explicit^S { void foo(); };", "void foo() { S{}.^foo(); }");
   testWalk(
-      "struct S { void foo(); }; struct X : S { using S::$explicit^foo; };",
+      "struct S { void foo(); }; struct $explicit^X : S { using S::foo; };",
       "void foo() { X{}.^foo(); }");
+  testWalk("struct Base { int a; }; struct $explicit^Derived : public Base {};",
+           "void fun(Derived d) { d.^a; }");
 }
 
 TEST(WalkAST, ConstructExprs) {
Index: clang-tools-extra/include-cleaner/lib/WalkAST.cpp
===================================================================
--- clang-tools-extra/include-cleaner/lib/WalkAST.cpp
+++ clang-tools-extra/include-cleaner/lib/WalkAST.cpp
@@ -59,7 +59,11 @@
   }
 
   bool VisitMemberExpr(MemberExpr *E) {
-    report(E->getMemberLoc(), E->getFoundDecl().getDecl());
+    // Instead of the FieldDecl for MemberExpr, we report the Decl of
+    // the corresponding record.
+    Expr *BE = E->getBase()->IgnoreImpCasts();
+    RecordDecl *RD = BE->getType()->getAsRecordDecl();
+    report(E->getMemberLoc(), RD);
     return true;
   }
 


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