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 liblldb_DWARFAbbreviationDeclaration_h_ 11 #define liblldb_DWARFAbbreviationDeclaration_h_ 12 13 #include "SymbolFileDWARF.h" 14 #include "DWARFAttribute.h" 15 16 class DWARFCompileUnit; 17 18 class DWARFAbbreviationDeclaration 19 { 20 public: 21 enum { InvalidCode = 0 }; 22 DWARFAbbreviationDeclaration(); 23 24 // For hand crafting an abbreviation declaration 25 DWARFAbbreviationDeclaration(dw_tag_t tag, uint8_t has_children); 26 void AddAttribute(const DWARFAttribute& attr) 27 { 28 m_attributes.push_back(attr); 29 } 30 31 dw_uleb128_t Code() const { return m_code; } 32 void SetCode(dw_uleb128_t code) { m_code = code; } 33 dw_tag_t Tag() const { return m_tag; } 34 bool HasChildren() const { return m_has_children; } 35 size_t NumAttributes() const { return m_attributes.size(); } 36 dw_attr_t GetAttrByIndex(uint32_t idx) const { return m_attributes.size() > idx ? m_attributes[idx].get_attr() : 0; } 37 dw_form_t GetFormByIndex(uint32_t idx) const { return m_attributes.size() > idx ? m_attributes[idx].get_form() : 0; } 38 bool GetAttrAndFormByIndex(uint32_t idx, dw_attr_t& attr, dw_form_t& form) const 39 { 40 if (m_attributes.size() > idx) 41 { 42 m_attributes[idx].get(attr, form); 43 return true; 44 } 45 attr = form = 0; 46 return false; 47 } 48 49 // idx is assumed to be valid when calling GetAttrAndFormByIndexUnchecked() 50 void GetAttrAndFormByIndexUnchecked(uint32_t idx, dw_attr_t& attr, dw_form_t& form) const 51 { 52 m_attributes[idx].get(attr, form); 53 } 54 dw_form_t GetFormByIndexUnchecked (uint32_t idx) const 55 { 56 return m_attributes[idx].get_form(); 57 } 58 void CopyExcludingAddressAttributes(const DWARFAbbreviationDeclaration& abbr_decl, const uint32_t idx); 59 void CopyChangingStringToStrp( 60 const DWARFAbbreviationDeclaration& abbr_decl, 61 const lldb_private::DataExtractor& debug_info_data, 62 dw_offset_t debug_info_offset, 63 const DWARFCompileUnit* cu, 64 const uint32_t strp_min_len); 65 uint32_t FindAttributeIndex(dw_attr_t attr) const; 66 bool Extract(const lldb_private::DataExtractor& data, lldb::offset_t *offset_ptr); 67 bool Extract(const lldb_private::DataExtractor& data, lldb::offset_t *offset_ptr, dw_uleb128_t code); 68 // void Append(BinaryStreamBuf& out_buff) const; 69 bool IsValid(); 70 void Dump(lldb_private::Stream *s) const; 71 bool operator == (const DWARFAbbreviationDeclaration& rhs) const; 72 // DWARFAttribute::collection& Attributes() { return m_attributes; } 73 const DWARFAttribute::collection& Attributes() const { return m_attributes; } 74 protected: 75 dw_uleb128_t m_code; 76 dw_tag_t m_tag; 77 uint8_t m_has_children; 78 DWARFAttribute::collection m_attributes; 79 }; 80 81 #endif // liblldb_DWARFAbbreviationDeclaration_h_ 82
