[libclang] Indexing API: fully index using decls and directives.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150268 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 23 insertions, 0 deletions

diff --git a/tools/libclang/IndexDecl.cpp b/tools/libclang/IndexDecl.cpp
index 3e9266995e..55ae9e0afc 100644
--- a/tools/libclang/IndexDecl.cpp
+++ b/tools/libclang/IndexDecl.cpp
@@ -213,6 +213,29 @@ public:
     return true;
   }
 
+  bool VisitUsingDecl(UsingDecl *D) {
+    // FIXME: Parent for the following is CXIdxEntity_Unexposed with no USR,
+    // we should do better.
+
+    IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D);
+    for (UsingDecl::shadow_iterator
+           I = D->shadow_begin(), E = D->shadow_end(); I != E; ++I) {
+      IndexCtx.handleReference((*I)->getUnderlyingDecl(), D->getLocation(),
+                               D, D->getLexicalDeclContext());
+    }
+    return true;
+  }
+
+  bool VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
+    // FIXME: Parent for the following is CXIdxEntity_Unexposed with no USR,
+    // we should do better.
+
+    IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D);
+    IndexCtx.handleReference(D->getNominatedNamespaceAsWritten(),
+                             D->getLocation(), D, D->getLexicalDeclContext());
+    return true;
+  }
+
   bool VisitClassTemplateDecl(ClassTemplateDecl *D) {
     IndexCtx.handleClassTemplate(D);
     if (D->isThisDeclarationADefinition())