1 //===-- DWARFDeclContext.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 SymbolFileDWARF_DWARFDeclContext_h_ 11 #define SymbolFileDWARF_DWARFDeclContext_h_ 12 13 // C Includes 14 // C++ Includes 15 #include <string> 16 #include <vector> 17 // Other libraries and framework includes 18 #include "lldb/Core/ConstString.h" 19 // Project includes 20 #include "DWARFDefines.h" 21 22 //---------------------------------------------------------------------- 23 // DWARFDeclContext 24 // 25 // A class that represents a declaration context all the way down to a 26 // DIE. This is useful when trying to find a DIE in one DWARF to a DIE 27 // in another DWARF file. 28 //---------------------------------------------------------------------- 29 30 class DWARFDeclContext 31 { 32 public: 33 struct Entry 34 { 35 Entry () : 36 tag(0), 37 name(NULL) 38 { 39 } 40 Entry (dw_tag_t t, const char *n) : 41 tag(t), 42 name(n) 43 { 44 } 45 46 bool 47 NameMatches (const Entry& rhs) const 48 { 49 if (name == rhs.name) 50 return true; 51 else if (name && rhs.name) 52 return strcmp(name, rhs.name) == 0; 53 return false; 54 } 55 56 // Test operator 57 operator bool() const 58 { 59 return tag != 0; 60 } 61 62 dw_tag_t tag; 63 const char *name; 64 }; 65 66 DWARFDeclContext () : 67 m_entries() 68 { 69 } 70 71 void 72 AppendDeclContext (dw_tag_t tag, const char *name) 73 { 74 m_entries.push_back(Entry(tag, name)); 75 } 76 77 bool 78 operator ==(const DWARFDeclContext& rhs) const; 79 80 uint32_t 81 GetSize() const 82 { 83 return m_entries.size(); 84 } 85 86 Entry & 87 operator[] (uint32_t idx) 88 { 89 // "idx" must be valid 90 return m_entries[idx]; 91 } 92 93 const Entry & 94 operator[] (uint32_t idx) const 95 { 96 // "idx" must be valid 97 return m_entries[idx]; 98 } 99 100 const char * 101 GetQualifiedName () const; 102 103 protected: 104 typedef std::vector<Entry> collection; 105 collection m_entries; 106 mutable std::string m_qualified_name; 107 }; 108 109 #endif // SymbolFileDWARF_DWARFDeclContext_h_ 110
