[arcmt] Collect all the places where GC attributes __strong/__weak occur.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143883 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/ARCMigrate/Transforms.cpp b/lib/ARCMigrate/Transforms.cpp
index 5ea454a917..c82f075bca 100644
--- a/lib/ARCMigrate/Transforms.cpp
+++ b/lib/ARCMigrate/Transforms.cpp
@@ -302,6 +302,8 @@ class ASTTransform : public RecursiveASTVisitor<ASTTransform> {
 public:
   ASTTransform(MigrationContext &MigrateCtx) : MigrateCtx(MigrateCtx) { }
 
+  bool shouldWalkTypesOfTypeLocs() const { return false; }
+
   bool TraverseObjCImplementationDecl(ObjCImplementationDecl *D) {
     ObjCImplementationContext ImplCtx(MigrateCtx, D);
     for (MigrationContext::traverser_iterator
@@ -355,6 +357,10 @@ bool MigrationContext::isGCOwnedNonObjC(QualType T) {
 }
 
 void MigrationContext::traverse(TranslationUnitDecl *TU) {
+  for (traverser_iterator
+         I = traversers_begin(), E = traversers_end(); I != E; ++I)
+    (*I)->traverseTU(*this);
+
   ASTTransform(*this).TraverseDecl(TU);
 }
 
@@ -367,6 +373,7 @@ static void traverseAST(MigrationPass &pass) {
 
   if (pass.isGCMigration()) {
     MigrateCtx.addTraverser(new GCCollectableCallsTraverser);
+    MigrateCtx.addTraverser(new GCAttrsTraverser());
   }
   MigrateCtx.addTraverser(new PropertyRewriteTraverser());