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  SmallVector<AttributeSpec, 8> Attributes;
31public:
32  DWARFAbbreviationDeclaration();
33
34  uint32_t getCode() const { return Code; }
35  uint32_t getTag() const { return Tag; }
36  bool hasChildren() const { return HasChildren; }
37  uint32_t getNumAttributes() const { return Attributes.size(); }
38  uint16_t getAttrByIndex(uint32_t idx) const {
39    return idx < Attributes.size() ? Attributes[idx].Attr : 0;
40  }
41  uint16_t getFormByIndex(uint32_t idx) const {
42    return idx < Attributes.size() ? Attributes[idx].Form : 0;
43  }
44
45  uint32_t findAttributeIndex(uint16_t attr) const;
46  bool extract(DataExtractor Data, uint32_t* OffsetPtr);
47  void dump(raw_ostream &OS) const;
48
49private:
50  void clear();
51};
52
53}
54
55#endif
56