File: show.py

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"""show subcommands, except those that need some sort of text substitution.
(Those are in gdb.py.in.)
"""
__revision = "$Id: show.py,v 1.23 2009/01/14 02:50:28 rockyb Exp $"
#   Copyright (C) 2006, 2007, 2008 Rocky Bernstein (rocky@gnu.org)
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
#    02110-1301 USA.
import fns, sys

class SubcmdShow:

    """Handle show subcommands. This class isn't usuable in of itself,
    but is expected to be called with something that subclasses it and
    adds other methods and instance variables like msg and
    _program_sys_argv."""

    def get_annotate(self):
        return self.annotate
    def get_args(self):
        return " ".join(self._program_sys_argv[1:])
    def get_autoeval(self):
        return fns.show_onoff(self.autoeval)
    def get_basename(self):
        return fns.show_onoff(self.basename)
    def get_cmdtrace(self):
        return fns.show_onoff(self.cmdtrace)
    def get_dbg_pydb(self):
        return self.msg(fns.show_onoff(self.dbg_pydb))
    # def get_debug_signal - later
    def get_deftrace(self):
        return fns.show_onoff(self.deftrace)
    def get_directories(self):
        return str(self.search_path)
    def get_flush(self):
        return fns.show_onoff(self.flush)
    def get_fntrace(self):
        return fns.show_onoff(self.fntrace)
    def get_interactive(self):
        return fns.show_onoff(not self.noninteractive)
    def get_linetrace(self):
        return fns.show_onoff(self.linetrace)
    def get_listsize(self):
        return self.listsize
    def get_maxargsize(self):
        return self.maxargstrsize
    def get_sigcheck(self):
        return fns.show_onoff(self.sigcheck)
    def get_width(self):
        return self.width

    ######## Note: the docstrings of methods here get used in
    ######## help output.

    def show_annotate(self, args):
        """Show annotation_level.
0 == normal;     1 == fullname (for use when running under emacs).
"""
        self.msg("Annotation level is %d." % self.get_annotate())
        return False

    def show_args(self, args):
        """Show argument list to give debugged program when it is started.
Follow this command with any number of args, to be passed to the program."""
        self.msg("Argument list to give program being debugged " +
                 "when it is started is ")
        self.msg('"%s".' % self.get_args())
        return False

    def show_autoeval(self, args):
        """Show if unrecognized command are evaluated"""
        self.msg("autoeval is %s." % self.get_autoeval())
        return False

    def show_basename(self, args):
        """Show if we are to show short of long filenames"""
        self.msg("basename is %s." % self.get_basename())
        return False

    def show_cmdtrace(self, args):
        "Show if we are to show debugger commands before running"
        self.msg("cmdtrace is %s." % self.get_cmdtrace())
        return False

    def show_dbg_pydb(self, args):
        """Show whether tracebacks include debugger routines"""
        self.msg("dbg_pydb is %s." % self.get_dbg_pydb())
        return False

    def show_debug_signal(self, arg):
        """Show the signal currently used for triggering debugging
        of an already running process.
        """
        if not self.debug_signal:
            self.msg('debug-signal not set.')
            return False
        self.msg('debug-signal is %s' % self.debug_signal)

    def show_deftrace(self, args):
        "Show if we are to show def (method creation) statements"
        self.msg("deftrace is %s." % self.get_deftrace())
        return False

    def show_directories(self, args):
        """Current search path for finding source files.
$cwd in search path means the current working directory.
$cdir in the path means the compilation directory of the source file."""
        self.msg("Source directories searched:\n\t%s." % self.get_search_path())

    def show_flush(self, args):
        """Show whether we flush output after each write."""
        self.msg('Flushing output is "%s".' % self.get_flush())
        return False

    def show_fntrace(self, args):
        "Show the line function status. Can also add 'delay'"
        self.msg("Function tracing is %s." % self.get_fntrace())
        return False

    def show_interactive(self, args):
        """Show whether we are interactive"""
        self.msg("interactive is %s." % self.get_interactive())
        return False

    def show_linetrace(self, args):
        "Show the line tracing status. Can also add 'delay'"
        self.msg("line tracing is %s." % self.get_linetrace())
        return False

    def show_listsize(self, args):
        """Show number of source lines the debugger will list by default."""
        self.msg("Number of lines to show in listing is %s." % 
                 self.get_listsize())
        return False

    def show_logging(self, args):
        "Show logging options"
        if len(args) > 1 and args[1]:
            if args[1] == 'file':
                self.msg('The current logfile is "%s".' %
                         self.logging_file)
            elif args[1] == 'overwrite':
                self.msg('Whether logging overwrites or appends to the'
                         + ' log file is %s.'
                         % fns.show_onoff(self.logging_overwrite))
            elif args[1] == 'redirect':
                self.msg('The logging output mode is %s.' %
                         fns.show_onoff(self.logging_redirect))
                return False
            else:
                self.undefined_cmd("show logging", args[1])
                return False
        else:
            self.msg('Future logs will be written to %s.' % self.logging_file)
            if self.logging_overwrite:
                self.msg('Logs will overwrite the log file.')
            else:
                self.msg('Logs will be appended to the log file.')
            if self.logging_redirect:
                self.msg("Output will be sent only to the log file.")
            else:
                self.msg("Output will be logged and displayed.")
                return False
        return False

    def show_maxargsize(self, args):
        """Show number maximum number of characters in argument list."""
        self.msg("Maximum number of characters in an argument list is %s" %
                 self.get_maxargsize())
        return False

    def show_sigcheck(self, args):
        """Show status of signal checking/adjusting.
See also set sigcheck."""
        self.msg("sigcheck is %s." % self.get_sigcheck())
        return False

    def show_target_address(self, arg):
        """Show connection parameters used in remote debugging.

This command doesn't make sense if you are not debugging a remote
program. See also 'set target-address' and 'attach'."""

        if self.target == 'local':
            self.msg("Debugging is local. No target address.")
            return False
        else:
            self.msg('target-address is %s.' % self.target_addr.__repr__())
            return False
        return False

    def show_warnoptions(self, args):
        """Show Python warning options to be used in running programs."""
        if len(sys.warnoptions):
            self.msg('Warning options used in running a Python program:')
            self.msg("\t -W%s" % ', -W'.join(sys.warnoptions))
            return False
        else:
            self.msg('No warning options have been set.')
            return False
        return False

    def show_width(self, args):
        """Show number of characters gdb thinks are in a line."""
        self.msg("Number of lines to show in listing is %s." % self.get_width())
        return False