diff options
Diffstat (limited to 'lldb/tools/lldb-mi/MICmnStreamStdin.cpp')
| -rw-r--r-- | lldb/tools/lldb-mi/MICmnStreamStdin.cpp | 247 |
1 files changed, 117 insertions, 130 deletions
diff --git a/lldb/tools/lldb-mi/MICmnStreamStdin.cpp b/lldb/tools/lldb-mi/MICmnStreamStdin.cpp index 60fa49c4..f560ece 100644 --- a/lldb/tools/lldb-mi/MICmnStreamStdin.cpp +++ b/lldb/tools/lldb-mi/MICmnStreamStdin.cpp @@ -14,14 +14,15 @@ #include <string.h> // For std::strerror() // In-house headers: +#include "MICmnLog.h" +#include "MICmnResources.h" #include "MICmnStreamStdin.h" #include "MICmnStreamStdout.h" -#include "MICmnResources.h" -#include "MICmnLog.h" #include "MIDriver.h" #include "MIUtilSingletonHelper.h" -//++ ------------------------------------------------------------------------------------ +//++ +//------------------------------------------------------------------------------------ // Details: CMICmnStreamStdin constructor. // Type: Method. // Args: None. @@ -29,25 +30,20 @@ // Throws: None. //-- CMICmnStreamStdin::CMICmnStreamStdin() - : m_strPromptCurrent("(gdb)") - , m_bShowPrompt(true) - , m_pCmdBuffer(nullptr) -{ -} + : m_strPromptCurrent("(gdb)"), m_bShowPrompt(true), m_pCmdBuffer(nullptr) {} -//++ ------------------------------------------------------------------------------------ +//++ +//------------------------------------------------------------------------------------ // Details: CMICmnStreamStdin destructor. // Type: Overridable. // Args: None. // Return: None. // Throws: None. //-- -CMICmnStreamStdin::~CMICmnStreamStdin() -{ - Shutdown(); -} +CMICmnStreamStdin::~CMICmnStreamStdin() { Shutdown(); } -//++ ------------------------------------------------------------------------------------ +//++ +//------------------------------------------------------------------------------------ // Details: Initialize resources for *this Stdin stream. // Type: Method. // Args: None. @@ -55,38 +51,36 @@ CMICmnStreamStdin::~CMICmnStreamStdin() // MIstatus::failure - Functional failed. // Throws: None. //-- -bool -CMICmnStreamStdin::Initialize() -{ - m_clientUsageRefCnt++; +bool CMICmnStreamStdin::Initialize() { + m_clientUsageRefCnt++; - if (m_bInitialized) - return MIstatus::success; + if (m_bInitialized) + return MIstatus::success; - bool bOk = MIstatus::success; - CMIUtilString errMsg; + 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); + // 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); + 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::failure; + } + m_bInitialized = bOk; - return MIstatus::success; + return MIstatus::success; } -//++ ------------------------------------------------------------------------------------ +//++ +//------------------------------------------------------------------------------------ // Details: Release resources for *this Stdin stream. // Type: Method. // Args: None. @@ -94,40 +88,37 @@ CMICmnStreamStdin::Initialize() // MIstatus::failure - Functional failed. // Throws: None. //-- -bool -CMICmnStreamStdin::Shutdown() -{ - if (--m_clientUsageRefCnt > 0) - return MIstatus::success; +bool CMICmnStreamStdin::Shutdown() { + if (--m_clientUsageRefCnt > 0) + return MIstatus::success; - if (!m_bInitialized) - return MIstatus::success; + if (!m_bInitialized) + return MIstatus::success; - m_bInitialized = false; + m_bInitialized = false; - ClrErrorDescription(); + ClrErrorDescription(); - if (m_pCmdBuffer != nullptr) - { - delete[] m_pCmdBuffer; - m_pCmdBuffer = nullptr; - } + if (m_pCmdBuffer != nullptr) { + delete[] m_pCmdBuffer; + m_pCmdBuffer = nullptr; + } - bool bOk = MIstatus::success; - CMIUtilString errMsg; + 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); + 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()); - } + if (!bOk) { + SetErrorDescriptionn(MIRSRC(IDE_MI_SHTDWN_ERR_STREAMSTDIN), errMsg.c_str()); + } - return MIstatus::success; + return MIstatus::success; } -//++ ------------------------------------------------------------------------------------ +//++ +//------------------------------------------------------------------------------------ // Details: Validate and set the text that forms the prompt on the command line. // Type: Method. // Args: vNewPrompt - (R) Text description. @@ -135,107 +126,103 @@ CMICmnStreamStdin::Shutdown() // 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; - } +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; + m_strPromptCurrent = vNewPrompt; - return MIstatus::success; + 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; +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 +//++ +//------------------------------------------------------------------------------------ +// 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. +// 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; +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 +//++ +//------------------------------------------------------------------------------------ +// 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. +// Return: bool - True = Yes prompt is shown/output to the user (stdout), false +// = no prompt. // Throws: None. //-- -bool -CMICmnStreamStdin::GetEnablePrompt() const -{ - return m_bShowPrompt; -} +bool CMICmnStreamStdin::GetEnablePrompt() const { return m_bShowPrompt; } -//++ ------------------------------------------------------------------------------------ -// Details: Wait on new line of data from stdin stream (completed by '\n' or '\r'). +//++ +//------------------------------------------------------------------------------------ +// 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) - { +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; + // 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; - } + 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; + return pText; } |