contrib/llvm/tools/lldb/tools/lldb-mi/MICmdCmdSupportInfo.cpp

   1 //===-- MICmdCmdSupportListInfo.cpp -----------------------------*- 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 //++
  11 // File:        MICmdCmdSupportListInfo.cpp
  12 //
  13 // Overview:    CMICmdCmdSupportInfoMiCmdQuery          implementation.
  14 //
  15 // Environment: Compilers:  Visual C++ 12.
  16 //                          gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
  17 //              Libraries:  See MIReadmetxt.
  18 //
  19 // Copyright:   None.
  20 //--
  21
  22 // In-house headers:
  23 #include "MICmdCmdSupportInfo.h"
  24 #include "MICmnMIResultRecord.h"
  25 #include "MICmnMIValueConst.h"
  26 #include "MICmnMIValueTuple.h"
  27 #include "MICmdArgValString.h"
  28 #include "MICmdFactory.h"
  29
  30 //++ ------------------------------------------------------------------------------------
  31 // Details: CMICmdCmdSupportInfoMiCmdQuery constructor.
  32 // Type:    Method.
  33 // Args:    None.
  34 // Return:  None.
  35 // Throws:  None.
  36 //--
  37 CMICmdCmdSupportInfoMiCmdQuery::CMICmdCmdSupportInfoMiCmdQuery(void)
  38     : m_bCmdFound(false)
  39     , m_constStrArgCmdName("cmd_name")
  40 {
  41     // Command factory matches this name with that received from the stdin stream
  42     m_strMiCmd = "info-gdb-mi-command";
  43
  44     // Required by the CMICmdFactory when registering *this command
  45     m_pSelfCreatorFn = &CMICmdCmdSupportInfoMiCmdQuery::CreateSelf;
  46 }
  47
  48 //++ ------------------------------------------------------------------------------------
  49 // Details: CMICmdCmdSupportInfoMiCmdQuery destructor.
  50 // Type:    Overrideable.
  51 // Args:    None.
  52 // Return:  None.
  53 // Throws:  None.
  54 //--
  55 CMICmdCmdSupportInfoMiCmdQuery::~CMICmdCmdSupportInfoMiCmdQuery(void)
  56 {
  57 }
  58
  59 //++ ------------------------------------------------------------------------------------
  60 // Details: The invoker requires this function. The parses the command line options
  61 //          arguments to extract values for each of those arguments.
  62 // Type:    Overridden.
  63 // Args:    None.
  64 // Return:  MIstatus::success - Functional succeeded.
  65 //          MIstatus::failure - Functional failed.
  66 // Throws:  None.
  67 //--
  68 bool
  69 CMICmdCmdSupportInfoMiCmdQuery::ParseArgs(void)
  70 {
  71     bool bOk = m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgCmdName, true, true)));
  72     return (bOk && ParseValidateCmdOptions());
  73 }
  74
  75 //++ ------------------------------------------------------------------------------------
  76 // Details: The invoker requires this function. The command does work in this function.
  77 //          The command is likely to communicate with the LLDB SBDebugger in here.
  78 // Type:    Overridden.
  79 // Args:    None.
  80 // Return:  MIstatus::success - Functional succeeded.
  81 //          MIstatus::failure - Functional failed.
  82 // Throws:  None.
  83 //--
  84 bool
  85 CMICmdCmdSupportInfoMiCmdQuery::Execute(void)
  86 {
  87     CMICMDBASE_GETOPTION(pArgNamedCmdName, String, m_constStrArgCmdName);
  88     const CMIUtilString &rCmdToQuery(pArgNamedCmdName->GetValue());
  89     const MIuint nLen = rCmdToQuery.length();
  90     const CMICmdFactory &rCmdFactory = CMICmdFactory::Instance();
  91     if ((nLen > 1) && (rCmdToQuery[0] == '-'))
  92         m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery.substr(1, nLen - 1).c_str());
  93     else
  94         m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery);
  95
  96     return MIstatus::success;
  97 }
  98
  99 //++ ------------------------------------------------------------------------------------
 100 // Details: The invoker requires this function. The command prepares a MI Record Result
 101 //          for the work carried out in the Execute().
 102 // Type:    Overridden.
 103 // Args:    None.
 104 // Return:  MIstatus::success - Functional succeeded.
 105 //          MIstatus::failure - Functional failed.
 106 // Throws:  None.
 107 //--
 108 bool
 109 CMICmdCmdSupportInfoMiCmdQuery::Acknowledge(void)
 110 {
 111     const CMICmnMIValueConst miValueConst(m_bCmdFound ? "true" : "false");
 112     const CMICmnMIValueResult miValueResult("exists", miValueConst);
 113     const CMICmnMIValueTuple miValueTuple(miValueResult);
 114     const CMICmnMIValueResult miValueResult2("command", miValueTuple);
 115     const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult2);
 116     m_miResultRecord = miRecordResult;
 117
 118     return MIstatus::success;
 119 }
 120
 121 //++ ------------------------------------------------------------------------------------
 122 // Details: Required by the CMICmdFactory when registering *this command. The factory
 123 //          calls this function to create an instance of *this command.
 124 // Type:    Static method.
 125 // Args:    None.
 126 // Return:  CMICmdBase * - Pointer to a new command.
 127 // Throws:  None.
 128 //--
 129 CMICmdBase *
 130 CMICmdCmdSupportInfoMiCmdQuery::CreateSelf(void)
 131 {
 132     return new CMICmdCmdSupportInfoMiCmdQuery();
 133 }