forked from OSchip/llvm-project
585 lines
25 KiB
Python
585 lines
25 KiB
Python
""" SWIG creates Python C++ Script Bridge wrapper code Windows/LINUX/OSX platform
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--------------------------------------------------------------------------
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File: buildSwigWrapperClasses.py
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Overview: Python script(s) to build the SWIG Python C++ Script
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Bridge wrapper code on the Windows/LINUX/OSX platform.
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The Python scripts are equivalent to the shell script (.sh)
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files.
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For each scripting language lib lldb supports, we need to
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create the appropriate Script Bridge wrapper classes for
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that language so that users can call Script Bridge
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functions from within the script interpreter.
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We use SWIG to help create the appropriate wrapper
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classes/functions for the scripting language. In some
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cases the file generated by SWIG may need some tweaking
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before it is completely ready to use.
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Gotchas: For Windows OS it is assumed the SWIG executable can be
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found in the %PATH% environmental variable.
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Copyright: None.
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--------------------------------------------------------------------------
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"""
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# Python modules:
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import sys # Provide argument parsing
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import os # Provide directory and file handling
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# Third party modules:
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# In-house modules:
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import utilsArgsParse # Parse and validate this script's input arguments
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import utilsOsType # Determine the OS type this script is running on
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import utilsDebug # Debug Python scripts
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# Instantiations:
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gbDbgVerbose = False; # True = Turn on script function tracing, False = off.
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gbDbgFlag = False; # Global debug mode flag, set by input parameter
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# --dbgFlag. True = operate in debug mode.
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gbMakeFileFlag = False; # True = yes called from makefile system, False = not.
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gbSwigGenDepFileFlag = False; # True = SWIG generate a dependency file.
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# User facing text:
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strMsgErrorNoMain = "Program called by another Python script not allowed";
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strExitMsgSuccess = "Program successful";
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strExitMsgError = "Program error: ";
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strParameter = "Parameter: ";
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strMsgErrorOsTypeUnknown = "Unable to determine OS type"
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strSwigFileFound = "Found the \'lldb.swig\' file\n";
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strSwigFileFoundNotFound = "Unable to locate the file \'%s\'"
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strSwigExeFileNotFound = "Unable to locate the SWIG executable file \'swig\'";
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strSwigScriptDirNotFound = "Unable to locate the SWIG script directory \'/script\'";
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strSwigScriptNotFound = "Unable to locate the SWIG script file \'%s\' in \'%s\'. Is it a script directory?";
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strSwigScriptLangFound = "Found \'%s\' build script.";
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strSwigScriptLangsFound = "Found the following script languages:";
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strSwigExecuteMsg = "Executing \'%s\' build script...";
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strSwigExecuteError = "Executing \'%s\' build script failed: ";
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strHelpInfo = "\
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Python script(s) to build the SWIG Python C++ Script \n\
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Bridge wrapper code on various platforms. The Python \n\
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scripts are equivalent to the shell script (.sh) files \n\
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run on others platforms.\n\
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Args: -h (optional) Print help information on this program.\n\
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-d (optional) Determines whether or not this script\n\
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outputs additional information when running.\n\
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-m (optional) Specify called from Makefile system.\n\
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-M (optional) Specify want SWIG to generate a dependency \n\
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file.\n\
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--srcRoot= The root of the lldb source tree.\n\
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--targetDir= Where the lldb framework/shared library gets put.\n\
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--cfgBldDir= (optional) Where the build-swig-Python-LLDB.py program \n\
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will put the lldb.py file it generated from running\n\
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SWIG.\n\
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--prefix= (optional) Is the root directory used to determine where\n\
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third-party modules for scripting languages should\n\
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be installed. Where non-Darwin systems want to put\n\
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the .py and .so files so that Python can find them\n\
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automatically. Python install directory.\n\
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--argsFile= The args are read from a file instead of the\n\
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command line. Other command line args are ignored.\n\
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--swigExecutable= (optional) Full path of swig executable.\n\
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\n\
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Usage:\n\
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buildSwigWrapperClasses.py --srcRoot=ADirPath --targetDir=ADirPath\n\
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--cfgBldDir=ADirPath --prefix=ADirPath --swigExecutable=ADirPath -m -d\n\
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\n\
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"; #TAG_PROGRAM_HELP_INFO
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strHelpInfoExtraWindows = "\
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On the Windows platform the PATH environmental variable needs to be \n\
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extended to include the installed SWIG executable path so it can be \n\
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be found by this Python script. The SWIG executable name is 'swig'."
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strHelpInfoExtraNonWindows = "\
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This Python script looks for the SWIG executable 'swig' in the following \n\
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directories '/usr/bin', '/usr/local/bin'. If not found the script will \n\
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abort.";
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#++---------------------------------------------------------------------------
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# Details: Retrieve the script -h help information based on the OS currently.
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# Args: None.
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# Returns: Str - Help Text.
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# Throws: None.
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#--
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def get_help_information():
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strHelpMsg = strHelpInfo;
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eOSType = utilsOsType.determine_os_type();
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if eOSType == utilsOsType.EnumOsType.Windows:
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strHelpMsg += strHelpInfoExtraWindows;
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else:
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strHelpMsg += strHelpInfoExtraNonWindows;
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return strHelpMsg;
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#++---------------------------------------------------------------------------
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# Details: Exit the program on success. Called on program successfully done
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# its work. Returns a status result to the caller.
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# Args: vnResult - (R) 0 or greater indicating success.
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# vMsg - (R) Success message if any to show success to user.
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# Returns: None.
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# Throws: None.
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#--
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def program_exit_success( vnResult, vMsg ):
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strMsg = "";
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if vMsg.__len__() != 0:
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strMsg = "%s: %s (%d)" % (strExitMsgSuccess, vMsg, vnResult);
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print strMsg;
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sys.exit( vnResult );
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#++---------------------------------------------------------------------------
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# Details: Exit the program with error. Called on exit program failed its
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# task. Returns a status result to the caller.
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# Args: vnResult - (R) A negative number indicating error condition.
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# vMsg - (R) Error message to show to user.
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# Returns: None.
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# Throws: None.
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#--
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def program_exit_on_failure( vnResult, vMsg ):
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print "%s%s (%d)" % (strExitMsgError, vMsg, vnResult);
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sys.exit( vnResult );
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#++---------------------------------------------------------------------------
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# Details: Exit the program return a exit result number and print a message.
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# Positive numbers and zero are returned for success other error
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# occurred.
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# Args: vnResult - (R) A -ve (an error), 0 or +ve number (ok or status).
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# vMsg - (R) Error message to show to user.
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# Returns: None.
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# Throws: None.
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#--
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def program_exit( vnResult, vMsg ):
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if vnResult >= 0:
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program_exit_success( vnResult, vMsg );
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else:
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program_exit_on_failure( vnResult, vMsg );
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#++---------------------------------------------------------------------------
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# Details: Dump input parameters.
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# Args: vDictArgs - (R) Map of input args to value.
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# Returns: None.
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# Throws: None.
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#--
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def print_out_input_parameters( vDictArgs ):
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for arg, val in vDictArgs.iteritems():
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strEqs = "";
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strQ = "";
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if val.__len__() != 0:
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strEqs = " =";
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strQ = "\"";
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print "%s%s%s %s%s%s\n" % (strParameter, arg, strEqs, strQ, val, strQ);
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#++---------------------------------------------------------------------------
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# Details: Locate the lldb.swig file. No checking for path correctness is
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# done here as assumed all values checked already. Path is adapted
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# to be compatible with the platform file system.
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# Args: vstrSrcRoot - (R) Directory path to the lldb source root.
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# veOSType - (R) Current OS type enumeration.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_file_exists( vstrSrcRoot, veOSType ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_file_exists()" );
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bOk = True;
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strStatusMsg = "";
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strSwigFilePathName = "/scripts/lldb.swig";
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strFullPath = os.path.normcase( vstrSrcRoot + strSwigFilePathName );
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bOk = os.path.isfile( strFullPath );
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if bOk:
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if gbDbgFlag:
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print strSwigFileFound;
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else:
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strStatusMsg = strSwigFileFoundNotFound % strFullPath;
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return (bOk, strStatusMsg);
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#++---------------------------------------------------------------------------
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# Details: Locate SWIG sub script language directory and the script within
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# and execute SWIG for that script language.
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# Args: vStrScriptLang - (R) Name of the script language to build.
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# vSwigBuildFileName - (R) Prefix file name to build full name.
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# vDictArgs - (R) Program input parameters.
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# Returns: Int - 0 = Success, < 0 some error condition.
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# Str - Error message.
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# Throws: None.
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#--
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def run_swig( vStrScriptLang, vSwigBuildFileName, vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "run_swig()" );
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nResult = 0;
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strStatusMsg = "";
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strScriptFile = vSwigBuildFileName % vStrScriptLang;
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strScriptFileDir = "%s%s/%s" % (vDictArgs[ "--srcRoot" ], "/scripts",
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vStrScriptLang);
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strScriptFilePath = "%s/%s" % (strScriptFileDir, strScriptFile);
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# Check for the existence of the script file
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strPath = os.path.normcase( strScriptFilePath );
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bOk = os.path.exists( strPath );
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if bOk == False:
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strDir = os.path.normcase( strScriptFileDir );
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strStatusMsg = strSwigScriptNotFound % (strScriptFile, strDir);
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return (-9, strStatusMsg);
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if gbDbgFlag:
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print strSwigScriptLangFound % vStrScriptLang;
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print strSwigExecuteMsg % vStrScriptLang;
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# Change where Python looks for our modules
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strDir = os.path.normcase( strScriptFileDir );
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sys.path.append( strDir );
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# Execute the specific language script
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dictArgs = vDictArgs; # Remove any args not required before passing on
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strModuleName = strScriptFile[ : strScriptFile.__len__() - 3 ];
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module = __import__( strModuleName );
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nResult, strStatusMsg = module.main( dictArgs );
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# Revert sys path
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sys.path.remove( strDir );
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return (nResult, strStatusMsg);
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#++---------------------------------------------------------------------------
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# Details: Step through each SWIG sub directory script language supported
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# type and execute SWIG to build wrapper code based on that language.
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# If an error occurs for a build this function will return with an
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# error and not continue with proceed script builds.
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# For each scripting language, make sure the build script for that
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# language exists.
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# For now the only language we support is Python, but we expect this
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# to change.
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# Args: vDictArgs - (R) Program input parameters.
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# Returns: Int - 0 = Success, < 0 some error condition.
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# Str - Error message.
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# Throws: None.
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#--
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def run_swig_for_each_script_supported( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "run_swig_for_each_script_supported()" );
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nResult = 0;
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strStatusMsg = "";
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strSwigScriptDir = vDictArgs[ "--srcRoot" ] + "/scripts";
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strSwigBuildFileName = "buildSwig%s.py";
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# Check for the existence of the SWIG scripts folder
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strScriptsDir = os.path.normcase( strSwigScriptDir );
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bOk = os.path.exists( strScriptsDir );
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if bOk == False:
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return (-8, strSwigScriptDirNotFound);
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# Look for any script language directories to build for
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listDirs = [];
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nDepth = 1;
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for strPath, listDirs, listFiles in os.walk( strSwigScriptDir ):
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nDepth = nDepth - 1;
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if nDepth == 0:
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break;
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# Skip the directory that contains the interface files.
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listDirs.remove('interface')
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# and the svn directory.
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if '.svn' in listDirs:
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listDirs.remove('.svn')
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if gbDbgFlag:
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print strSwigScriptLangsFound,
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for dir in listDirs:
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print dir,
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print "\n";
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# Iterate script directory find any script language directories
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for scriptLang in listDirs:
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dbg.dump_text( "Executing language script for \'%s\'" % scriptLang );
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nResult, strStatusMsg = run_swig( scriptLang, strSwigBuildFileName,
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vDictArgs );
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if nResult < 0:
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break;
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if nResult < 0:
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strTmp = strSwigExecuteError % scriptLang;
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strTmp += strStatusMsg;
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strStatusMsg = strTmp;
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return (nResult, strStatusMsg);
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#++---------------------------------------------------------------------------
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# Details: Dummy function - system unknown. Function should not be called.
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# Args: vDictArgs - (R) Program input parameters.
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# Returns: Bool - False = Program logic error.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists_Unknown( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists_Unknown()" );
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# Do nothing
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return (False, strMsgErrorOsTypeUnknown);
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#++---------------------------------------------------------------------------
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# Details: Locate the SWIG executable file in a Windows system. Several hard
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# coded predetermined possible file path locations are searched.
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# (This is good candidate for a derived class object)
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# Args: vDictArgs - (W) Program input parameters.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists_Windows( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists_Windows()" );
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# Will always be true as it assumed the path to SWIG executable will be
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# in the OS system environmental variable %PATH%. Easier this way as the
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# user may have renamed the directory and or custom path installation.
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bExeFileFound = True;
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vDictArgs[ "--swigExePath" ] = "";
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vDictArgs[ "--swigExeName" ] = "swig.exe";
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return (bExeFileFound, None);
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#++---------------------------------------------------------------------------
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# Details: Locate the SWIG executable file in a Linux system. Several hard
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# coded predetermined possible file path locations are searched.
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# (This is good candidate for a derived class object)
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# Args: vDictArgs - (W) Program input parameters.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists_Linux( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists_Linux()" );
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bExeFileFound = False;
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strSwigExe = "swig";
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strSwigExePath = "/usr/bin";
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strExe = os.path.normcase( "%s/%s" % (strSwigExePath, strSwigExe) );
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if os.path.isfile( strExe ) and os.access( strExe, os.X_OK ):
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bExeFileFound = True;
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vDictArgs[ "--swigExePath" ] = os.path.normcase( strSwigExePath );
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vDictArgs[ "--swigExeName" ] = strSwigExe;
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return (bExeFileFound, None);
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strSwigExePath = "/usr/local/bin";
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strExe = os.path.normcase( "%s/%s" % (strSwigExePath, strSwigExe) );
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if os.path.isfile( strExe ) and os.access( strExe, os.X_OK ):
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bExeFileFound = True;
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vDictArgs[ "--swigExePath" ] = os.path.normcase( strSwigExePath );
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vDictArgs[ "--swigExeName" ] = strSwigExe;
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return (bExeFileFound, None);
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return (bExeFileFound, strSwigExeFileNotFound);
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#++---------------------------------------------------------------------------
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# Details: Locate the SWIG executable file in a OSX system. Several hard
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# coded predetermined possible file path locations are searched.
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# (This is good candidate for a derived class object)
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# Args: vDictArgs - (W) Program input parameters.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists_Darwin( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists_Darwin()" );
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bExeFileFound = False;
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# ToDo: Find the SWIG executable and add the path to the args dictionary
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#vDictArgs.[ "--swigExePath" ] = "/usr/bin/swig";
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strStatusMsg = "Sorry function 'check_lldb_swig_executable_file_exists_Darwin()' is not implemented";
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return (bExeFileFound, strStatusMsg);
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#++---------------------------------------------------------------------------
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# Details: Locate the SWIG executable file in a OSX system. Several hard
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# coded predetermined possible file path locations are searched.
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# (This is good candidate for a derived class object)
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# Args: vDictArgs - (W) Program input parameters.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists_FreeBSD( vDictArgs ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists_FreeBSD()" );
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bExeFileFound = False;
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# ToDo: Find the SWIG executable and add the path to the args dictionary
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#vDictArgs.[ "--swigExePath" ] = "/usr/bin/swig";
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strStatusMsg = "Sorry function 'check_lldb_swig_executable_file_exists_FreeBSD()' is not implemented";
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return (bExeFileFound, strStatusMsg);
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#++---------------------------------------------------------------------------
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# Details: Locate the SWIG executable file. Several hard coded predetermined
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# possible file path locations are searched.
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# Args: vDictArgs - (RW) Program input parameters.
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# veOSType - (R) Current OS type enumeration.
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# Returns: Bool - True = Success.
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# - False = Failure file not found.
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# Str - Error message.
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# Throws: None.
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#--
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def check_lldb_swig_executable_file_exists( vDictArgs, veOSType ):
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dbg = utilsDebug.CDebugFnVerbose( "check_lldb_swig_executable_file_exists()" );
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bExeFileFound = False;
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strStatusMsg = "";
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if "--swigExecutable" in vDictArgs:
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vDictArgs["--swigExeName"] = os.path.basename(vDictArgs["--swigExecutable"])
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vDictArgs["--swigExePath"] = os.path.dirname(vDictArgs["--swigExecutable"])
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bExeFileFound = True
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else:
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from utilsOsType import EnumOsType;
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switch = { EnumOsType.Unknown : check_lldb_swig_executable_file_exists_Unknown,
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EnumOsType.Darwin : check_lldb_swig_executable_file_exists_Darwin,
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EnumOsType.FreeBSD : check_lldb_swig_executable_file_exists_FreeBSD,
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EnumOsType.Linux : check_lldb_swig_executable_file_exists_Linux,
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EnumOsType.Windows : check_lldb_swig_executable_file_exists_Windows }
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bExeFileFound, strStatusMsg = switch[ veOSType ]( vDictArgs );
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return (bExeFileFound, strStatusMsg);
|
|
#++---------------------------------------------------------------------------
|
|
# Details: Validate the arguments passed to the program. This function exits
|
|
# the program should error with the arguments be found.
|
|
# Args: vArgv - (R) List of arguments and values.
|
|
# Returns: Int - 0 = success, -ve = some failure.
|
|
# Dict - Map of arguments names to argument values
|
|
# Throws: None.
|
|
#--
|
|
def validate_arguments( vArgv ):
|
|
dbg = utilsDebug.CDebugFnVerbose( "validate_arguments()" );
|
|
strMsg = "";
|
|
dictArgs = {};
|
|
nResult = 0;
|
|
strListArgs = "hdmM"; # Format "hiox:" = -h -i -o -x <arg>
|
|
listLongArgs = ["srcRoot=", "targetDir=", "cfgBldDir=", "prefix=",
|
|
"swigExecutable=", "argsFile"];
|
|
dictArgReq = { "-h": "o", # o = optional, m = mandatory
|
|
"-d": "o",
|
|
"-m": "o",
|
|
"-M": "o",
|
|
"--srcRoot": "m",
|
|
"--targetDir": "m",
|
|
"--swigExecutable" : "o",
|
|
"--cfgBldDir": "o",
|
|
"--prefix": "o",
|
|
"--argsFile": "o" };
|
|
strHelpInfo = get_help_information();
|
|
|
|
# Check for mandatory parameters
|
|
nResult, dictArgs, strMsg = utilsArgsParse.parse( vArgv, strListArgs,
|
|
listLongArgs,
|
|
dictArgReq,
|
|
strHelpInfo );
|
|
if nResult < 0:
|
|
program_exit_on_failure( nResult, strMsg );
|
|
|
|
# User input -h for help
|
|
if nResult == 1:
|
|
program_exit_success( 0, strMsg );
|
|
|
|
return (nResult, dictArgs);
|
|
|
|
#++---------------------------------------------------------------------------
|
|
# Details: Program's main() with arguments passed in from the command line.
|
|
# Program either exits normally or with error from this function -
|
|
# top most level function.
|
|
# Args: vArgv - (R) List of arguments and values.
|
|
# Returns: None
|
|
# Throws: None.
|
|
#--
|
|
def main( vArgv ):
|
|
dbg = utilsDebug.CDebugFnVerbose( "main()" );
|
|
bOk = False;
|
|
dictArgs = {};
|
|
nResult = 0;
|
|
strMsg = "";
|
|
|
|
# The validate arguments fn will exit the program if tests fail
|
|
nResult, dictArgs = validate_arguments( vArgv );
|
|
|
|
eOSType = utilsOsType.determine_os_type();
|
|
if eOSType == utilsOsType.EnumOsType.Unknown:
|
|
program_exit( -4, strMsgErrorOsTypeUnknown );
|
|
|
|
global gbDbgFlag;
|
|
gbDbgFlag = dictArgs.has_key( "-d" );
|
|
if gbDbgFlag:
|
|
print_out_input_parameters( dictArgs );
|
|
|
|
# Check to see if we were called from the Makefile system. If we were, check
|
|
# if the caller wants SWIG to generate a dependency file.
|
|
# Not used in this program, but passed through to the language script file
|
|
# called by this program
|
|
global gbMakeFileFlag;
|
|
global gbSwigGenDepFileFlag;
|
|
gbMakeFileFlag = dictArgs.has_key( "-m" );
|
|
gbSwigGenDepFileFlag = dictArgs.has_key( "-M" );
|
|
|
|
bOk, strMsg = check_lldb_swig_file_exists( dictArgs[ "--srcRoot" ], eOSType );
|
|
if bOk == False:
|
|
program_exit( -3, strMsg );
|
|
|
|
bOk, strMsg = check_lldb_swig_executable_file_exists( dictArgs, eOSType );
|
|
if bOk == False:
|
|
program_exit( -6, strMsg );
|
|
|
|
nResult, strMsg = run_swig_for_each_script_supported( dictArgs );
|
|
|
|
program_exit( nResult, strMsg );
|
|
|
|
#-----------------------------------------------------------------------------
|
|
#-----------------------------------------------------------------------------
|
|
#-----------------------------------------------------------------------------
|
|
|
|
#TAG_PROGRAM_HELP_INFO
|
|
""" Details: Program main entry point.
|
|
|
|
--------------------------------------------------------------------------
|
|
Args: -h (optional) Print help information on this program.
|
|
-d (optional) Determines whether or not this script
|
|
outputs additional information when running.
|
|
-m (optional) Specify called from Makefile system. If given locate
|
|
the LLDBWrapPython.cpp in --srcRoot/source folder
|
|
else in the --targetDir folder.
|
|
-M (optional) Specify want SWIG to generate a dependency file.
|
|
--srcRoot= The root of the lldb source tree.
|
|
--targetDir= Where the lldb framework/shared library gets put.
|
|
--cfgBldDir= Where the buildSwigPythonLLDB.py program will
|
|
(optional) put the lldb.py file it generated from running
|
|
SWIG.
|
|
--prefix= Is the root directory used to determine where
|
|
(optional) third-party modules for scripting languages should
|
|
be installed. Where non-Darwin systems want to put
|
|
the .py and .so files so that Python can find them
|
|
automatically. Python install directory.
|
|
--argsFile= The args are read from a file instead of the
|
|
command line. Other command line args are ignored.
|
|
Usage:
|
|
buildSwigWrapperClasses.py --srcRoot=ADirPath --targetDir=ADirPath
|
|
--cfgBldDir=ADirPath --prefix=ADirPath --swigExecutable=ADirPath -m -d
|
|
|
|
Results: 0 Success
|
|
-1 Error - invalid parameters passed.
|
|
-2 Error - incorrect number of mandatory parameters passed.
|
|
-3 Error - unable to locate lldb.swig file.
|
|
-4 Error - unable to determine OS type.
|
|
-5 Error - program called by another Python script not allowed.
|
|
-6 Error - unable to locate the swig executable file.
|
|
-7 Error - SWIG script execution failed.
|
|
-8 Error - unable to locate the SWIG scripts folder.
|
|
-9 Error - unable to locate the SWIG language script file.
|
|
-100+ - Error messages from the SWIG language script file.
|
|
-200+ - 200 +- the SWIG exit result.
|
|
--------------------------------------------------------------------------
|
|
|
|
"""
|
|
|
|
# Called using "__main__" when not imported i.e. from the command line
|
|
if __name__ == "__main__":
|
|
utilsDebug.CDebugFnVerbose.bVerboseOn = gbDbgVerbose;
|
|
dbg = utilsDebug.CDebugFnVerbose( "__main__" );
|
|
main( sys.argv[ 1: ] );
|
|
else:
|
|
program_exit( -5, strMsgErrorNoMain );
|