1 files changed, 113 insertions, 0 deletions
diff --git a/clang-r353983/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h b/clang-r353983/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h
new file mode 100644
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+++ b/clang-r353983/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h
@@ -0,0 +1,113 @@
+//===- DebugSubsectionVisitor.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_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTVISITOR_H
+#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTVISITOR_H
+
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+
+namespace llvm {
+
+namespace codeview {
+
+class DebugChecksumsSubsectionRef;
+class DebugSubsectionRecord;
+class DebugInlineeLinesSubsectionRef;
+class DebugCrossModuleExportsSubsectionRef;
+class DebugCrossModuleImportsSubsectionRef;
+class DebugFrameDataSubsectionRef;
+class DebugLinesSubsectionRef;
+class DebugStringTableSubsectionRef;
+class DebugSymbolRVASubsectionRef;
+class DebugSymbolsSubsectionRef;
+class DebugUnknownSubsectionRef;
+class StringsAndChecksumsRef;
+
+class DebugSubsectionVisitor {
+public:
+  virtual ~DebugSubsectionVisitor() = default;
+
+  virtual Error visitUnknown(DebugUnknownSubsectionRef &Unknown) {
+    return Error::success();
+  }
+  virtual Error visitLines(DebugLinesSubsectionRef &Lines,
+                           const StringsAndChecksumsRef &State) = 0;
+  virtual Error visitFileChecksums(DebugChecksumsSubsectionRef &Checksums,
+                                   const StringsAndChecksumsRef &State) = 0;
+  virtual Error visitInlineeLines(DebugInlineeLinesSubsectionRef &Inlinees,
+                                  const StringsAndChecksumsRef &State) = 0;
+  virtual Error
+  visitCrossModuleExports(DebugCrossModuleExportsSubsectionRef &CSE,
+                          const StringsAndChecksumsRef &State) = 0;
+  virtual Error
+  visitCrossModuleImports(DebugCrossModuleImportsSubsectionRef &CSE,
+                          const StringsAndChecksumsRef &State) = 0;
+
+  virtual Error visitStringTable(DebugStringTableSubsectionRef &ST,
+                                 const StringsAndChecksumsRef &State) = 0;
+
+  virtual Error visitSymbols(DebugSymbolsSubsectionRef &CSE,
+                             const StringsAndChecksumsRef &State) = 0;
+
+  virtual Error visitFrameData(DebugFrameDataSubsectionRef &FD,
+                               const StringsAndChecksumsRef &State) = 0;
+  virtual Error visitCOFFSymbolRVAs(DebugSymbolRVASubsectionRef &RVAs,
+                                    const StringsAndChecksumsRef &State) = 0;
+};
+
+Error visitDebugSubsection(const DebugSubsectionRecord &R,
+                           DebugSubsectionVisitor &V,
+                           const StringsAndChecksumsRef &State);
+
+namespace detail {
+template <typename T>
+Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V,
+                            StringsAndChecksumsRef &State) {
+  State.initialize(std::forward<T>(FragmentRange));
+
+  for (const DebugSubsectionRecord &L : FragmentRange) {
+    if (auto EC = visitDebugSubsection(L, V, State))
+      return EC;
+  }
+  return Error::success();
+}
+} // namespace detail
+
+template <typename T>
+Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V) {
+  StringsAndChecksumsRef State;
+  return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V,
+                                       State);
+}
+
+template <typename T>
+Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V,
+                            const DebugStringTableSubsectionRef &Strings) {
+  StringsAndChecksumsRef State(Strings);
+  return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V,
+                                       State);
+}
+
+template <typename T>
+Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V,
+                            const DebugStringTableSubsectionRef &Strings,
+                            const DebugChecksumsSubsectionRef &Checksums) {
+  StringsAndChecksumsRef State(Strings, Checksums);
+  return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V,
+                                       State);
+}
+
+} // end namespace codeview
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTVISITOR_H