diff options
Diffstat (limited to 'lldb/tools/lldb-mi/MIDriverMain.cpp')
| -rw-r--r-- | lldb/tools/lldb-mi/MIDriverMain.cpp | 218 |
1 files changed, 118 insertions, 100 deletions
diff --git a/lldb/tools/lldb-mi/MIDriverMain.cpp b/lldb/tools/lldb-mi/MIDriverMain.cpp index ccbaf77f09e..fdced8dd4ea 100644 --- a/lldb/tools/lldb-mi/MIDriverMain.cpp +++ b/lldb/tools/lldb-mi/MIDriverMain.cpp @@ -9,78 +9,87 @@ // Overview: Defines the entry point for the console application. // The MI application (project name MI) runs in two modes: -// An LLDB native driver mode where it acts no different from the LLDB driver. +// An LLDB native driver mode where it acts no different from the +// LLDB driver. // The other mode is the MI when it finds on the command line -// the --interpreter option. Command line argument --help on its own will give -// help for the LLDB driver. If entered with --interpreter then MI help will +// the --interpreter option. Command line argument --help on its +// own will give +// help for the LLDB driver. If entered with --interpreter then MI +// help will // provided. -// To implement new MI commands derive a new command class from the command base -// class. To enable the new command for interpretation add the new command class +// To implement new MI commands derive a new command class from the +// command base +// class. To enable the new command for interpretation add the new +// command class // to the command factory. The files of relevance are: // MICmdCommands.cpp // MICmdBase.h / .cpp // MICmdCmd.h / .cpp - #if defined(_MSC_VER) -#define _INC_SIGNAL // Stop window's signal.h being included - CODETAG_IOR_SIGNALS +#define _INC_SIGNAL // Stop window's signal.h being included - + // CODETAG_IOR_SIGNALS #endif // _MSC_VER // Third party headers: -#include <stdio.h> #include "lldb/API/SBHostOS.h" +#include <stdio.h> // In house headers: #include "MICmnConfig.h" -#include "Platform.h" // Define signals - CODETAG_IOR_SIGNALS -#include "MIDriverMgr.h" -#include "MIDriver.h" #include "MICmnResources.h" #include "MICmnStreamStdin.h" +#include "MIDriver.h" +#include "MIDriverMgr.h" #include "MIUtilDebug.h" - +#include "Platform.h" // Define signals - CODETAG_IOR_SIGNALS #if defined(_MSC_VER) -#pragma warning(once : 4530) // Warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc -#endif // _MSC_VER +#pragma warning( \ + once : 4530) // Warning C4530: C++ exception handler used, but unwind + // semantics are not enabled. Specify /EHsc +#endif // _MSC_VER // CODETAG_IOR_SIGNALS -//++ ------------------------------------------------------------------------------------ -// Details: The SIGINT signal is sent to a process by its controlling terminal when a -// user wishes to interrupt the process. This is typically initiated by pressing -// Control-C, but on some systems, the "delete" character or "break" key can be +//++ +//------------------------------------------------------------------------------------ +// Details: The SIGINT signal is sent to a process by its controlling terminal +// when a +// user wishes to interrupt the process. This is typically initiated by +// pressing +// Control-C, but on some systems, the "delete" character or "break" +// key can be // used. -// Be aware this function may be called on another thread besides the main thread. +// Be aware this function may be called on another thread besides the +// main thread. // Type: Function. // Args: vSigno - (R) Signal number. // Return: None. // Throws: None. //-- -void -sigint_handler(int vSigno) -{ +void sigint_handler(int vSigno) { #ifdef _WIN32 // Restore handler as it is not persistent on Windows - signal(SIGINT, sigint_handler); + signal(SIGINT, sigint_handler); #endif - static bool g_interrupt_sent = false; - CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); - lldb::SBDebugger *pDebugger = rDriverMgr.DriverGetTheDebugger(); - if (pDebugger != nullptr) - { - if (!g_interrupt_sent) - { - g_interrupt_sent = true; - pDebugger->DispatchInputInterrupt(); - g_interrupt_sent = false; - } + static bool g_interrupt_sent = false; + CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); + lldb::SBDebugger *pDebugger = rDriverMgr.DriverGetTheDebugger(); + if (pDebugger != nullptr) { + if (!g_interrupt_sent) { + g_interrupt_sent = true; + pDebugger->DispatchInputInterrupt(); + g_interrupt_sent = false; } + } - // Send signal to driver so that it can take suitable action - rDriverMgr.DeliverSignal (vSigno); + // Send signal to driver so that it can take suitable action + rDriverMgr.DeliverSignal(vSigno); } -//++ ------------------------------------------------------------------------------------ -// Details: Init the MI driver system. Initialize the whole driver system which includes +//++ +//------------------------------------------------------------------------------------ +// Details: Init the MI driver system. Initialize the whole driver system which +// includes // both the original LLDB driver and the MI driver. // Type: Function. // Args: None. @@ -88,95 +97,104 @@ sigint_handler(int vSigno) // MIstatus::failure - Functional failed. // Throws: None. //-- -bool -DriverSystemInit() -{ - bool bOk = MIstatus::success; - CMIDriver &rMIDriver = CMIDriver::Instance(); - CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); - bOk = rDriverMgr.Initialize(); - - // Register MIDriver first as it needs to initialize and be ready - // for the Driver to get information from MIDriver when it initializes - // (LLDB Driver is registered with the Driver Manager in MI's Initialize()) - bOk = bOk && rDriverMgr.RegisterDriver(rMIDriver, "MIDriver"); // Will be main driver - - return bOk; +bool DriverSystemInit() { + bool bOk = MIstatus::success; + CMIDriver &rMIDriver = CMIDriver::Instance(); + CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); + bOk = rDriverMgr.Initialize(); + + // Register MIDriver first as it needs to initialize and be ready + // for the Driver to get information from MIDriver when it initializes + // (LLDB Driver is registered with the Driver Manager in MI's Initialize()) + bOk = bOk && + rDriverMgr.RegisterDriver(rMIDriver, "MIDriver"); // Will be main driver + + return bOk; } -//++ ------------------------------------------------------------------------------------ -// Details: Shutdown the debugger system. Release / terminate resources external to +//++ +//------------------------------------------------------------------------------------ +// Details: Shutdown the debugger system. Release / terminate resources external +// to // specifically the MI driver. // Type: Function. -// Args: vbAppExitOk - (R) True = No problems, false = App exiting with problems (investigate!). +// Args: vbAppExitOk - (R) True = No problems, false = App exiting with +// problems (investigate!). // Return: MIstatus::success - Functional succeeded. // MIstatus::failure - Functional failed. // Throws: None. //-- -bool -DriverSystemShutdown(const bool vbAppExitOk) -{ - bool bOk = MIstatus::success; - - // *** Order is important here *** - CMIDriverMgr::Instance().Shutdown(); - return bOk; +bool DriverSystemShutdown(const bool vbAppExitOk) { + bool bOk = MIstatus::success; + + // *** Order is important here *** + CMIDriverMgr::Instance().Shutdown(); + return bOk; } -//++ ------------------------------------------------------------------------------------ -// Details: MI's application start point of execution. The application runs in two modes. -// An LLDB native driver mode where it acts no different from the LLDB driver. +//++ +//------------------------------------------------------------------------------------ +// Details: MI's application start point of execution. The application runs in +// two modes. +// An LLDB native driver mode where it acts no different from the LLDB +// driver. // The other mode is the MI when it finds on the command line -// the --interpreter option. Command line argument --help on its own will give -// help for the LLDB driver. If entered with --interpreter then application +// the --interpreter option. Command line argument --help on its own +// will give +// help for the LLDB driver. If entered with --interpreter then +// application // help will provided. // Type: Method. -// Args: argc - (R) An integer that contains the count of arguments that follow in -// argv. The argc parameter is always greater than or equal to 1. -// argv - (R) An array of null-terminated strings representing command-line -// arguments entered by the user of the program. By convention, -// argv[0] is the command with which the program is invoked. +// Args: argc - (R) An integer that contains the count of arguments that +// follow in +// argv. The argc parameter is always greater than or +// equal to 1. +// argv - (R) An array of null-terminated strings representing +// command-line +// arguments entered by the user of the program. By +// convention, +// argv[0] is the command with which the program is +// invoked. // Return: int - 0 = Normal exit, program success. -// >0 = Program success with status i.e. Control-C signal status +// >0 = Program success with status i.e. Control-C signal +// status // <0 = Program failed. -// -1 = Program failed reason not specified here, see MI log file. +// -1 = Program failed reason not specified here, see MI log +// file. // -1000 = Program failed did not initialize successfully. // Throws: None. //-- -int -main(int argc, char const *argv[]) -{ +int main(int argc, char const *argv[]) { #if MICONFIG_DEBUG_SHOW_ATTACH_DBG_DLG #ifdef _WIN32 - CMIUtilDebug::ShowDlgWaitForDbgAttach(); + CMIUtilDebug::ShowDlgWaitForDbgAttach(); #else - CMIUtilDebug::WaitForDbgAttachInfinteLoop(); + CMIUtilDebug::WaitForDbgAttachInfinteLoop(); #endif // _WIN32 #endif // MICONFIG_DEBUG_SHOW_ATTACH_DBG_DLG - // *** Order is important here *** - bool bOk = DriverSystemInit(); - if (!bOk) - { - DriverSystemShutdown(bOk); - return -1000; - } + // *** Order is important here *** + bool bOk = DriverSystemInit(); + if (!bOk) { + DriverSystemShutdown(bOk); + return -1000; + } - // CODETAG_IOR_SIGNALS - signal(SIGINT, sigint_handler); + // CODETAG_IOR_SIGNALS + signal(SIGINT, sigint_handler); - bool bExiting = false; - CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); - bOk = bOk && rDriverMgr.ParseArgs(argc, argv, bExiting); - if (bOk && !bExiting) - bOk = rDriverMgr.DriverParseArgs(argc, argv, stdout, bExiting); - if (bOk && !bExiting) - bOk = rDriverMgr.DriverMainLoop(); + bool bExiting = false; + CMIDriverMgr &rDriverMgr = CMIDriverMgr::Instance(); + bOk = bOk && rDriverMgr.ParseArgs(argc, argv, bExiting); + if (bOk && !bExiting) + bOk = rDriverMgr.DriverParseArgs(argc, argv, stdout, bExiting); + if (bOk && !bExiting) + bOk = rDriverMgr.DriverMainLoop(); - // Logger and other resources shutdown now - DriverSystemShutdown(bOk); + // Logger and other resources shutdown now + DriverSystemShutdown(bOk); - const int appResult = bOk ? 0 : -1; + const int appResult = bOk ? 0 : -1; - return appResult; + return appResult; } |
