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 "DWARFAttribute.h" 14 #include "llvm/ADT/SmallVector.h" 15 #include "llvm/Support/DataExtractor.h" 16 17 namespace llvm { 18 19 class raw_ostream; 20 21 class DWARFAbbreviationDeclaration { 22 uint32_t Code; 23 uint32_t Tag; 24 bool HasChildren; 25 SmallVector<DWARFAttribute, 8> Attributes; 26 public: 27 enum { InvalidCode = 0 }; 28 DWARFAbbreviationDeclaration() 29 : Code(InvalidCode), Tag(0), HasChildren(0) {} 30 31 uint32_t getCode() const { return Code; } 32 uint32_t getTag() const { return Tag; } 33 bool hasChildren() const { return HasChildren; } 34 uint32_t getNumAttributes() const { return Attributes.size(); } 35 uint16_t getAttrByIndex(uint32_t idx) const { 36 return Attributes.size() > idx ? Attributes[idx].getAttribute() : 0; 37 } 38 uint16_t getFormByIndex(uint32_t idx) const { 39 return Attributes.size() > idx ? Attributes[idx].getForm() : 0; 40 } 41 42 uint32_t findAttributeIndex(uint16_t attr) const; 43 bool extract(DataExtractor data, uint32_t* offset_ptr); 44 bool extract(DataExtractor data, uint32_t* offset_ptr, uint32_t code); 45 bool isValid() const { return Code != 0 && Tag != 0; } 46 void dump(raw_ostream &OS) const; 47 const SmallVectorImpl<DWARFAttribute> &getAttributes() const { 48 return Attributes; 49 } 50 }; 51 52 } 53 54 #endif 55
