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//===- 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_DEBUGSUBSECTIONVISITOR_H
#define LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONVISITOR_H
#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
#include "llvm/Support/Error.h"
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 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_DEBUGSUBSECTIONVISITOR_H
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