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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272894 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
//===- RecordIterator.h -----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_CODEVIEW_RECORDITERATOR_H
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#define LLVM_DEBUGINFO_CODEVIEW_RECORDITERATOR_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/iterator_range.h"
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#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
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#include "llvm/DebugInfo/CodeView/StreamInterface.h"
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#include "llvm/DebugInfo/CodeView/StreamReader.h"
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#include "llvm/Support/Endian.h"
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namespace llvm {
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namespace codeview {
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template <typename Kind> struct CVRecord {
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uint32_t Length;
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Kind Type;
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ArrayRef<uint8_t> Data;
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ArrayRef<uint8_t> RawData;
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};
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template <typename Kind> struct VarStreamArrayExtractor<CVRecord<Kind>> {
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Error operator()(StreamRef Stream, uint32_t &Len,
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CVRecord<Kind> &Item) const {
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const RecordPrefix *Prefix = nullptr;
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StreamReader Reader(Stream);
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uint32_t Offset = Reader.getOffset();
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if (auto EC = Reader.readObject(Prefix))
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return EC;
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Item.Length = Prefix->RecordLen;
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if (Item.Length < 2)
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return make_error<CodeViewError>(cv_error_code::corrupt_record);
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Item.Type = static_cast<Kind>(uint16_t(Prefix->RecordKind));
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Reader.setOffset(Offset);
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if (auto EC =
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Reader.readBytes(Item.RawData, Item.Length + sizeof(uint16_t)))
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return EC;
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Item.Data = Item.RawData.slice(sizeof(RecordPrefix));
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Len = Prefix->RecordLen + 2;
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return Error::success();
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}
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};
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}
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}
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#endif
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