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diff --git a/tools/lldb-mi/MICmdInterpreter.cpp b/tools/lldb-mi/MICmdInterpreter.cpp
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-//===-- MICmdInterpreter.cpp ------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// In-house headers:
-#include "MICmdInterpreter.h"
-#include "MICmdFactory.h"
-
-//++
-// Details: CMICmdInterpreter constructor.
-// Type: Method.
-// Args: None.
-// Return: None.
-// Throws: None.
-//--
-CMICmdInterpreter::CMICmdInterpreter()
- : m_rCmdFactory(CMICmdFactory::Instance()) {}
-
-//++
-// Details: CMICmdInterpreter destructor.
-// Type: Overridable.
-// Args: None.
-// Return: None.
-// Throws: None.
-//--
-CMICmdInterpreter::~CMICmdInterpreter() { Shutdown(); }
-
-//++
-// Details: Initialize resources for *this Command Interpreter.
-// Type: Method.
-// Args: None.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdInterpreter::Initialize() {
- m_clientUsageRefCnt++;
-
- if (m_bInitialized)
- return MIstatus::success;
-
- m_bInitialized = true;
-
- return MIstatus::success;
-}
-
-//++
-// Details: Release resources for *this Command Interpreter.
-// Type: Method.
-// Args: None.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdInterpreter::Shutdown() {
- if (--m_clientUsageRefCnt > 0)
- return MIstatus::success;
-
- if (!m_bInitialized)
- return MIstatus::success;
-
- m_bInitialized = false;
-
- return MIstatus::success;
-}
-
-//++
-// Details: Establish whether the text data is an MI format type command.
-// Type: Method.
-// Args: vTextLine - (R) Text data to interpret.
-// vwbYesValid - (W) True = MI type command, false = not
-// recognised.
-// vwbCmdNotInCmdFactor - (W) True = MI command not found in the
-// command factory, false = recognised.
-// Return: MIstatus::success - Functional succeeded.
-// MIstatus::failure - Functional failed.
-// Throws: None.
-//--
-bool CMICmdInterpreter::ValidateIsMi(const CMIUtilString &vTextLine,
- bool &vwbYesValid,
- bool &vwbCmdNotInCmdFactor,
- SMICmdData &rwCmdData) {
- vwbYesValid = false;
- vwbCmdNotInCmdFactor = false;
- rwCmdData.Clear();
-
- if (vTextLine.empty())
- return MIstatus::success;
-
- // MI format is [cmd #]-[command name]<space>[command arg(s)]
- // i.e. 1-file-exec-and-symbols --thread-group i1 DEVICE_EXECUTABLE
- // 5-data-evaluate-expression --thread 1 --frame 0 *(argv)
-
- m_miCmdData.Clear();
- m_miCmdData.strMiCmd = vTextLine;
-
- // The following change m_miCmdData as valid parts are identified
- vwbYesValid = (MiHasCmdTokenEndingHyphen(vTextLine) ||
- MiHasCmdTokenEndingAlpha(vTextLine));
- vwbYesValid = vwbYesValid && MiHasCmd(vTextLine);
- if (vwbYesValid) {
- vwbCmdNotInCmdFactor = !HasCmdFactoryGotMiCmd(MiGetCmdData());
- vwbYesValid = !vwbCmdNotInCmdFactor;
- }
-
- // Update command's meta data valid state
- m_miCmdData.bCmdValid = vwbYesValid;
-
- // Ok to return new updated command information
- rwCmdData = MiGetCmdData();
-
- return MIstatus::success;
-}
-
-//++
-// Details: Establish whether the command name entered on the stdin stream is
-// recognised by
-// the MI driver.
-// Type: Method.
-// Args: vCmd - (R) Command information structure.
-// Return: bool - True = yes command is recognised, false = command not
-// recognised.
-// Throws: None.
-//--
-bool CMICmdInterpreter::HasCmdFactoryGotMiCmd(const SMICmdData &vCmd) const {
- return m_rCmdFactory.CmdExist(vCmd.strMiCmd);
-}
-
-//++
-// Details: Does the command entered match the criteria for a MI command format.
-// The format to validate against is 'nn-' where there can be 1 to n
-// digits.
-// I.e. '2-gdb-exit'.
-// Is the execution token present? The command token is entered into
-// the
-// command meta data structure whether correct or not for reporting or
-// later
-// command execution purposes.
-// Type: Method.
-// Args: vTextLine - (R) Text data to interpret.
-// Return: bool - True = yes command token present, false = command not
-// recognised.
-// Throws: None.
-//--
-bool CMICmdInterpreter::MiHasCmdTokenEndingHyphen(
- const CMIUtilString &vTextLine) {
- // The hyphen is mandatory
- const size_t nPos = vTextLine.find('-', 0);
- if ((nPos == std::string::npos))
- return false;
-
- if (MiHasCmdTokenPresent(vTextLine)) {
- const std::string strNum = vTextLine.substr(0, nPos);
- if (!CMIUtilString(strNum).IsNumber())
- return false;
-
- m_miCmdData.strMiCmdToken = strNum;
- }
-
- m_miCmdData.bMIOldStyle = false;
-
- return true;
-}
-
-//++
-// Details: Does the command entered match the criteria for a MI command format.
-// The format to validate against is 'nnA' where there can be 1 to n
-// digits.
-// 'A' represents any non numeric token. I.e. '1source .gdbinit'.
-// Is the execution token present? The command token is entered into
-// the
-// command meta data structure whether correct or not for reporting or
-// later
-// command execution purposes.
-// Type: Method.
-// Args: vTextLine - (R) Text data to interpret.
-// Return: bool - True = yes command token present, false = command not
-// recognised.
-// Throws: None.
-//--
-bool CMICmdInterpreter::MiHasCmdTokenEndingAlpha(
- const CMIUtilString &vTextLine) {
- char cChar = vTextLine[0];
- MIuint i = 0;
- while (::isdigit(cChar) != 0) {
- cChar = vTextLine[++i];
- }
- if (::isalpha(cChar) == 0)
- return false;
- if (i == 0)
- return false;
-
- const std::string strNum = vTextLine.substr(0, i);
- m_miCmdData.strMiCmdToken = strNum.c_str();
- m_miCmdData.bMIOldStyle = true;
-
- return true;
-}
-
-//++
-// Details: Does the command entered match the criteria for a MI command format.
-// Is the command token present before the hyphen?
-// Type: Method.
-// Args: vTextLine - (R) Text data to interpret.
-// Return: bool - True = yes command token present, false = token not present.
-// Throws: None.
-//--
-bool CMICmdInterpreter::MiHasCmdTokenPresent(const CMIUtilString &vTextLine) {
- const size_t nPos = vTextLine.find('-', 0);
- return (nPos > 0);
-}
-
-//++
-// Details: Does the command name entered match the criteria for a MI command
-// format.
-// Is a recognised command present? The command name is entered into
-// the
-// command meta data structure whether correct or not for reporting or
-// later
-// command execution purposes. Command options is present are also put
-// into the
-// command meta data structure.
-// Type: Method.
-// Args: vTextLine - (R) Command information structure.
-// Return: bool - True = yes command name present, false = command not
-// recognised.
-// Throws: None.
-//--
-bool CMICmdInterpreter::MiHasCmd(const CMIUtilString &vTextLine) {
- size_t nPos = 0;
- if (m_miCmdData.bMIOldStyle) {
- char cChar = vTextLine[0];
- size_t i = 0;
- while (::isdigit(cChar) != 0) {
- cChar = vTextLine[++i];
- }
- nPos = --i;
- } else {
- nPos = vTextLine.find('-', 0);
- }
-
- bool bFoundCmd = false;
- const size_t nLen = vTextLine.length();
- const size_t nPos2 = vTextLine.find(' ', nPos);
- if (nPos2 != std::string::npos) {
- if (nPos2 == nLen)
- return false;
- const CMIUtilString cmd =
- CMIUtilString(vTextLine.substr(nPos + 1, nPos2 - nPos - 1));
- if (cmd.empty())
- return false;
-
- m_miCmdData.strMiCmd = cmd;
-
- if (nPos2 < nLen)
- m_miCmdData.strMiCmdOption =
- CMIUtilString(vTextLine.substr(nPos2 + 1, nLen - nPos2 - 1));
-
- bFoundCmd = true;
- } else {
- const CMIUtilString cmd =
- CMIUtilString(vTextLine.substr(nPos + 1, nLen - nPos - 1));
- if (cmd.empty())
- return false;
- m_miCmdData.strMiCmd = cmd;
- bFoundCmd = true;
- }
-
- if (bFoundCmd)
- m_miCmdData.strMiCmdAll = vTextLine;
-
- return bFoundCmd;
-}
-
-//++
-// Details: Retrieve the just entered new command from stdin. It contains the
-// command
-// name, number and any options.
-// Type: Method.
-// Args: vTextLine - (R) Command information structure.
-// Return: SMICmdData & - Command meta data information/result/status.
-// Throws: None.
-//--
-const SMICmdData &CMICmdInterpreter::MiGetCmdData() const {
- return m_miCmdData;
-}