llvm/lib/DebugInfo/DWARFAbbreviationDeclaration.h
2014-03-14 10:37:36 +00:00

61 lines
1.6 KiB
C++

//===-- DWARFAbbreviationDeclaration.h --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H
#define LLVM_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataExtractor.h"
namespace llvm {
class raw_ostream;
class DWARFAbbreviationDeclaration {
uint32_t Code;
uint32_t Tag;
bool HasChildren;
struct AttributeSpec {
AttributeSpec(uint16_t Attr, uint16_t Form) : Attr(Attr), Form(Form) {}
uint16_t Attr;
uint16_t Form;
};
typedef SmallVector<AttributeSpec, 8> AttributeSpecVector;
AttributeSpecVector AttributeSpecs;
public:
DWARFAbbreviationDeclaration();
uint32_t getCode() const { return Code; }
uint32_t getTag() const { return Tag; }
bool hasChildren() const { return HasChildren; }
typedef iterator_range<AttributeSpecVector::const_iterator>
attr_iterator_range;
attr_iterator_range attributes() const {
return attr_iterator_range(AttributeSpecs.begin(), AttributeSpecs.end());
}
uint16_t getFormByIndex(uint32_t idx) const {
return idx < AttributeSpecs.size() ? AttributeSpecs[idx].Form : 0;
}
uint32_t findAttributeIndex(uint16_t attr) const;
bool extract(DataExtractor Data, uint32_t* OffsetPtr);
void dump(raw_ostream &OS) const;
private:
void clear();
};
}
#endif