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_LIB_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H 11 #define LLVM_LIB_DEBUGINFO_DWARFABBREVIATIONDECLARATION_H 12 13 #include "llvm/ADT/SmallVector.h" 14 #include "llvm/Support/DataExtractor.h" 15 16 namespace llvm { 17 18 class raw_ostream; 19 20 class DWARFAbbreviationDeclaration { 21 public: 22 struct AttributeSpec { 23 AttributeSpec(uint16_t Attr, uint16_t Form) : Attr(Attr), Form(Form) {} 24 uint16_t Attr; 25 uint16_t Form; 26 }; 27 typedef SmallVector<AttributeSpec, 8> AttributeSpecVector; 28 29 DWARFAbbreviationDeclaration(); 30 31 uint32_t getCode() const { return Code; } 32 uint32_t getTag() const { return Tag; } 33 bool hasChildren() const { return HasChildren; } 34 35 typedef iterator_range<AttributeSpecVector::const_iterator> 36 attr_iterator_range; 37 38 attr_iterator_range attributes() const { 39 return attr_iterator_range(AttributeSpecs.begin(), AttributeSpecs.end()); 40 } 41 42 uint16_t getFormByIndex(uint32_t idx) const { 43 return idx < AttributeSpecs.size() ? AttributeSpecs[idx].Form : 0; 44 } 45 46 uint32_t findAttributeIndex(uint16_t attr) const; 47 bool extract(DataExtractor Data, uint32_t* OffsetPtr); 48 void dump(raw_ostream &OS) const; 49 50 private: 51 void clear(); 52 53 uint32_t Code; 54 uint32_t Tag; 55 bool HasChildren; 56 57 AttributeSpecVector AttributeSpecs; 58 }; 59 60 } 61 62 #endif 63
