[libclang] Do index 'extern' declarations inside functions.
rdar://12257073
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163563 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/IndexingContext.cpp b/tools/libclang/IndexingContext.cpp
index 6e1b04d..210dc36 100644
--- a/tools/libclang/IndexingContext.cpp
+++ b/tools/libclang/IndexingContext.cpp
@@ -204,6 +204,26 @@
static_cast<ASTUnit*>(CXTU->TUData)->setPreprocessor(&PP);
}
+bool IndexingContext::isFunctionLocalDecl(const Decl *D) {
+ assert(D);
+
+ if (!D->getParentFunctionOrMethod())
+ return false;
+
+ if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
+ switch (ND->getLinkage()) {
+ case NoLinkage:
+ case InternalLinkage:
+ return true;
+ case UniqueExternalLinkage:
+ case ExternalLinkage:
+ return false;
+ }
+ }
+
+ return true;
+}
+
bool IndexingContext::shouldAbort() {
if (!CB.abortQuery)
return false;
@@ -590,7 +610,7 @@
return false;
if (Loc.isInvalid())
return false;
- if (!shouldIndexFunctionLocalSymbols() && D->getParentFunctionOrMethod())
+ if (!shouldIndexFunctionLocalSymbols() && isFunctionLocalDecl(D))
return false;
if (isNotFromSourceFile(D->getLocation()))
return false;