[clang] [clang][ssaf] Add UnsafeBufferUsage summary data structures (PR #181067)

[Balázs Benics via cfe-commits]

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@@ -0,0 +1,31 @@
+//===- UnsafeBufferUsageBuilder.h -------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_ANALYSIS_SCALABLE_ANALYSES_UNSAFEBUFFERUSAGE_BUILDER_H
+#define LLVM_CLANG_ANALYSIS_SCALABLE_ANALYSES_UNSAFEBUFFERUSAGE_BUILDER_H
+
+#include "clang/Analysis/Scalable/Analyses/UnsafeBufferUsage/UnsafeBufferUsage.h"
+#include "clang/Analysis/Scalable/TUSummary/TUSummaryBuilder.h"
+#include <memory>
+
+namespace clang::ssaf {
+class UnsafeBufferUsageTUSummaryBuilder : public TUSummaryBuilder {
+public:
+  static EntityPointerLevel buildEntityPointerLevel(EntityId Entity,
+                                                    unsigned PointerLevel) {
+    return {Entity, PointerLevel};
+  }
+
+  static std::unique_ptr<UnsafeBufferUsageEntitySummary>
+  buildUnsafeBufferUsageEntitySummary(EntityPointerLevelSet &&UnsafeBuffers) {
+    return std::make_unique<UnsafeBufferUsageEntitySummary>(
+        UnsafeBufferUsageEntitySummary(std::move(UnsafeBuffers)));
+  }
+};
+} // namespace clang::ssaf
+
+#endif
----------------
steakhal wrote:

```suggestion
#endif // LLVM_CLANG_ANALYSIS_SCALABLE_ANALYSES_UNSAFEBUFFERUSAGE_BUILDER_H

```

https://github.com/llvm/llvm-project/pull/181067