1 //===-- CommandObjectHelp.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_CommandObjectHelp_h_ 11 #define liblldb_CommandObjectHelp_h_ 12 13 // C Includes 14 // C++ Includes 15 // Other libraries and framework includes 16 // Project includes 17 #include "lldb/Interpreter/CommandObject.h" 18 #include "lldb/Interpreter/Options.h" 19 20 namespace lldb_private { 21 22 //------------------------------------------------------------------------- 23 // CommandObjectHelp 24 //------------------------------------------------------------------------- 25 26 class CommandObjectHelp : public CommandObjectParsed 27 { 28 public: 29 30 CommandObjectHelp (CommandInterpreter &interpreter); 31 32 virtual 33 ~CommandObjectHelp (); 34 35 virtual int 36 HandleCompletion (Args &input, 37 int &cursor_index, 38 int &cursor_char_position, 39 int match_start_point, 40 int max_return_elements, 41 bool &word_complete, 42 StringList &matches); 43 44 class CommandOptions : public Options 45 { 46 public: 47 CommandOptions(CommandInterpreter & interpreter)48 CommandOptions (CommandInterpreter &interpreter) : 49 Options (interpreter) 50 { 51 } 52 53 virtual ~CommandOptions()54 ~CommandOptions (){} 55 56 virtual Error SetOptionValue(uint32_t option_idx,const char * option_arg)57 SetOptionValue (uint32_t option_idx, const char *option_arg) 58 { 59 Error error; 60 const int short_option = m_getopt_table[option_idx].val; 61 62 switch (short_option) 63 { 64 case 'a': 65 m_show_aliases = true; 66 break; 67 case 'u': 68 m_show_user_defined = false; 69 break; 70 default: 71 error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); 72 break; 73 } 74 75 return error; 76 } 77 78 void OptionParsingStarting()79 OptionParsingStarting () 80 { 81 m_show_aliases = false; 82 m_show_user_defined = true; 83 } 84 85 const OptionDefinition* GetDefinitions()86 GetDefinitions () 87 { 88 return g_option_table; 89 } 90 91 // Options table: Required for subclasses of Options. 92 93 static OptionDefinition g_option_table[]; 94 95 // Instance variables to hold the values for command options. 96 97 bool m_show_aliases; 98 bool m_show_user_defined; 99 }; 100 101 virtual Options * GetOptions()102 GetOptions () 103 { 104 return &m_options; 105 } 106 107 protected: 108 virtual bool 109 DoExecute (Args& command, 110 CommandReturnObject &result); 111 112 private: 113 CommandOptions m_options; 114 115 }; 116 117 } // namespace lldb_private 118 119 #endif // liblldb_CommandObjectHelp_h_ 120