[clang] [SSAF][EntityPointerLevel] Add an intermediate data structure DeclPointerLevel (PR #218196)

[Balázs Benics via cfe-commits]

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@@ -0,0 +1,102 @@
+//===- EntityPointerLevelTest.cpp -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/ScalableStaticAnalysis/Analyses/EntityPointerLevel/EntityPointerLevel.h"
+#include "FindDecl.h"
+#include "clang/AST/Decl.h"
+#include "clang/Frontend/ASTUnit.h"
+#include "clang/Tooling/Tooling.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include <memory>
+#include <vector>
+
+using namespace clang;
+using namespace ssaf;
+using testing::ElementsAre;
+
+namespace {
+
+static std::vector<unsigned> levelsOf(const DeclPointerLevels &DPLs) {
+  std::vector<unsigned> Levels;
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steakhal wrote:

You should reserve here.

https://github.com/llvm/llvm-project/pull/218196