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Diffstat (limited to 'tools/lldb-mi/MICmnStreamStdin.cpp')
| -rw-r--r-- | tools/lldb-mi/MICmnStreamStdin.cpp | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/tools/lldb-mi/MICmnStreamStdin.cpp b/tools/lldb-mi/MICmnStreamStdin.cpp deleted file mode 100644 index 4084b36a8916..000000000000 --- a/tools/lldb-mi/MICmnStreamStdin.cpp +++ /dev/null @@ -1,218 +0,0 @@ -//===-- MICmnStreamStdin.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 -// -//===----------------------------------------------------------------------===// - -// Third Party Headers -#ifdef _MSC_VER -#include <windows.h> -#endif -#include <string.h> - -// In-house headers: -#include "MICmnLog.h" -#include "MICmnResources.h" -#include "MICmnStreamStdin.h" -#include "MICmnStreamStdout.h" -#include "MIDriver.h" -#include "MIUtilSingletonHelper.h" - -//++ -// Details: CMICmnStreamStdin constructor. -// Type: Method. -// Args: None. -// Return: None. -// Throws: None. -//-- -CMICmnStreamStdin::CMICmnStreamStdin() - : m_strPromptCurrent("(gdb)"), m_bShowPrompt(true), m_pCmdBuffer(nullptr) {} - -//++ -// Details: CMICmnStreamStdin destructor. -// Type: Overridable. -// Args: None. -// Return: None. -// Throws: None. -//-- -CMICmnStreamStdin::~CMICmnStreamStdin() { Shutdown(); } - -//++ -// Details: Initialize resources for *this Stdin stream. -// Type: Method. -// Args: None. -// Return: MIstatus::success - Functional succeeded. -// MIstatus::failure - Functional failed. -// Throws: None. -//-- -bool CMICmnStreamStdin::Initialize() { - m_clientUsageRefCnt++; - - if (m_bInitialized) - return MIstatus::success; - - bool bOk = MIstatus::success; - CMIUtilString errMsg; - - // Note initialisation order is important here as some resources depend on - // previous - MI::ModuleInit<CMICmnLog>(IDS_MI_INIT_ERR_LOG, bOk, errMsg); - MI::ModuleInit<CMICmnResources>(IDS_MI_INIT_ERR_RESOURCES, bOk, errMsg); - - if (bOk) { - m_pCmdBuffer = new char[m_constBufferSize]; - } else { - CMIUtilString strInitError(CMIUtilString::Format( - MIRSRC(IDS_MI_INIT_ERR_STREAMSTDIN), errMsg.c_str())); - SetErrorDescription(strInitError); - - return MIstatus::failure; - } - m_bInitialized = bOk; - - return MIstatus::success; -} - -//++ -// Details: Release resources for *this Stdin stream. -// Type: Method. -// Args: None. -// Return: MIstatus::success - Functional succeeded. -// MIstatus::failure - Functional failed. -// Throws: None. -//-- -bool CMICmnStreamStdin::Shutdown() { - if (--m_clientUsageRefCnt > 0) - return MIstatus::success; - - if (!m_bInitialized) - return MIstatus::success; - - m_bInitialized = false; - - ClrErrorDescription(); - - if (m_pCmdBuffer != nullptr) { - delete[] m_pCmdBuffer; - m_pCmdBuffer = nullptr; - } - - bool bOk = MIstatus::success; - CMIUtilString errMsg; - - MI::ModuleShutdown<CMICmnResources>(IDE_MI_SHTDWN_ERR_RESOURCES, bOk, errMsg); - MI::ModuleShutdown<CMICmnLog>(IDS_MI_SHTDWN_ERR_LOG, bOk, errMsg); - - if (!bOk) { - SetErrorDescriptionn(MIRSRC(IDE_MI_SHTDWN_ERR_STREAMSTDIN), errMsg.c_str()); - } - - return MIstatus::success; -} - -//++ -// Details: Validate and set the text that forms the prompt on the command line. -// Type: Method. -// Args: vNewPrompt - (R) Text description. -// Return: MIstatus::success - Functional succeeded. -// MIstatus::failure - Functional failed. -// Throws: None. -//-- -bool CMICmnStreamStdin::SetPrompt(const CMIUtilString &vNewPrompt) { - if (vNewPrompt.empty()) { - const CMIUtilString msg(CMIUtilString::Format( - MIRSRC(IDS_STDIN_ERR_INVALID_PROMPT), vNewPrompt.c_str())); - CMICmnStreamStdout::Instance().Write(msg); - return MIstatus::failure; - } - - m_strPromptCurrent = vNewPrompt; - - return MIstatus::success; -} - -//++ -// Details: Retrieve the command line prompt text currently being used. -// Type: Method. -// Args: None. -// Return: const CMIUtilString & - Functional failed. -// Throws: None. -//-- -const CMIUtilString &CMICmnStreamStdin::GetPrompt() const { - return m_strPromptCurrent; -} - -//++ -// Details: Set whether to display optional command line prompt. The prompt is -// output to -// stdout. Disable it when this may interfere with the client reading -// stdout as -// input and it tries to interpret the prompt text to. -// Type: Method. -// Args: vbYes - (R) True = Yes prompt is shown/output to the user -// (stdout), false = no prompt. -// Return: MIstatus::success - Functional succeeded. -// MIstatus::failure - Functional failed. -// Throws: None. -//-- -void CMICmnStreamStdin::SetEnablePrompt(const bool vbYes) { - m_bShowPrompt = vbYes; -} - -//++ -// Details: Get whether to display optional command line prompt. The prompt is -// output to -// stdout. Disable it when this may interfere with the client reading -// stdout as -// input and it tries to interpret the prompt text to. -// Type: Method. -// Args: None. -// Return: bool - True = Yes prompt is shown/output to the user (stdout), false -// = no prompt. -// Throws: None. -//-- -bool CMICmnStreamStdin::GetEnablePrompt() const { return m_bShowPrompt; } - -//++ -// Details: Wait on new line of data from stdin stream (completed by '\n' or -// '\r'). -// Type: Method. -// Args: vwErrMsg - (W) Empty string ok or error description. -// Return: char * - text buffer pointer or NULL on failure. -// Throws: None. -//-- -const char *CMICmnStreamStdin::ReadLine(CMIUtilString &vwErrMsg) { - vwErrMsg.clear(); - - // Read user input - const char *pText = ::fgets(&m_pCmdBuffer[0], m_constBufferSize, stdin); - if (pText == nullptr) { -#ifdef _MSC_VER - // Was Ctrl-C hit? - // On Windows, Ctrl-C gives an ERROR_OPERATION_ABORTED as error on the - // command-line. - // The end-of-file indicator is also set, so without this check we will exit - // next if statement. - if (::GetLastError() == ERROR_OPERATION_ABORTED) - return nullptr; -#endif - if (::feof(stdin)) { - const bool bForceExit = true; - CMIDriver::Instance().SetExitApplicationFlag(bForceExit); - } else if (::ferror(stdin) != 0) - vwErrMsg = ::strerror(errno); - return nullptr; - } - - // Strip off new line characters - for (char *pI = m_pCmdBuffer; *pI != '\0'; pI++) { - if ((*pI == '\n') || (*pI == '\r')) { - *pI = '\0'; - break; - } - } - - return pText; -} |