[libclang] Introduce clang_Cursor_isVariadic, which returns non-zero if the given cursor is a variadic function or method.
rdar://13667150
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 8a56f4d..d29e3d8 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -5972,6 +5972,19 @@
return Result;
}
+unsigned clang_Cursor_isVariadic(CXCursor C) {
+ if (!clang_isDeclaration(C.kind))
+ return 0;
+
+ const Decl *D = getCursorDecl(C);
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
+ return FD->isVariadic();
+ if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
+ return MD->isVariadic();
+
+ return 0;
+}
+
CXSourceRange clang_Cursor_getCommentRange(CXCursor C) {
if (!clang_isDeclaration(C.kind))
return clang_getNullRange();