[clangd] Implement proximity path boosting for Dex
This patch introduces `PathURI` Search Token kind and utilizes it to
uprank symbols which are defined in files with small distance to the
directory where the fuzzy find request is coming from (e.g. files user
is editing).
Reviewed By: ioeric
Reviewers: ioeric, sammccall
Differential Revision: https://reviews.llvm.org/D51481
llvm-svn: 341542
diff --git a/clang-tools-extra/clangd/FileDistance.h b/clang-tools-extra/clangd/FileDistance.h
index 631fddf..f85e8ed 100644
--- a/clang-tools-extra/clangd/FileDistance.h
+++ b/clang-tools-extra/clangd/FileDistance.h
@@ -37,6 +37,9 @@
//
//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_FILEDISTANCE_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_FILEDISTANCE_H
+
#include "URI.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseMapInfo.h"
@@ -107,3 +110,5 @@
} // namespace clangd
} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_FILEDISTANCE_H