1//===-- DWARFAbbreviationDeclaration.h --------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H
11#define LLVM_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H
12
13#include "llvm/ADT/SmallVector.h"
14#include "llvm/Support/DataExtractor.h"
15
16namespace llvm {
17
18class raw_ostream;
19
20class DWARFAbbreviationDeclaration {
21  uint32_t Code;
22  uint32_t Tag;
23  bool HasChildren;
24
25  struct AttributeSpec {
26    AttributeSpec(uint16_t Attr, uint16_t Form) : Attr(Attr), Form(Form) {}
27    uint16_t Attr;
28    uint16_t Form;
29  };
30  typedef SmallVector<AttributeSpec, 8> AttributeSpecVector;
31  AttributeSpecVector AttributeSpecs;
32public:
33  DWARFAbbreviationDeclaration();
34
35  uint32_t getCode() const { return Code; }
36  uint32_t getTag() const { return Tag; }
37  bool hasChildren() const { return HasChildren; }
38
39  typedef iterator_range<AttributeSpecVector::const_iterator>
40  attr_iterator_range;
41
42  attr_iterator_range attributes() const {
43    return attr_iterator_range(AttributeSpecs.begin(), AttributeSpecs.end());
44  }
45
46  uint16_t getFormByIndex(uint32_t idx) const {
47    return idx < AttributeSpecs.size() ? AttributeSpecs[idx].Form : 0;
48  }
49
50  uint32_t findAttributeIndex(uint16_t attr) const;
51  bool extract(DataExtractor Data, uint32_t* OffsetPtr);
52  void dump(raw_ostream &OS) const;
53
54private:
55  void clear();
56};
57
58}
59
60#endif
61