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# -*- python -*-

# Copyright (C) 2009, 2010 Free Software Foundation, Inc.

# 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 3 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, see .

import sys

import gdb

import os

import os.path

pythondir = '@pythondir@'

libdir = '@toolexeclibdir@'

# This file might be loaded when there is no current objfile.  This

# can happen if the user loads it manually.  In this case we don't

# update sys.path; instead we just hope the user managed to do that

# beforehand.

if gdb.current_objfile () is not None:

    # Update module path.  We want to find the relative path from libdir

    # to pythondir, and then we want to apply that relative path to the

    # directory holding the objfile with which this file is associated.

    # This preserves relocatability of the gcc tree.

    # Do a simple normalization that removes duplicate separators.

    pythondir = os.path.normpath (pythondir)

    libdir = os.path.normpath (libdir)

    prefix = os.path.commonprefix ([libdir, pythondir])

    # In some bizarre configuration we might have found a match in the

    # middle of a directory name.

    if prefix[-1] != '/':

        prefix = os.path.dirname (prefix) + '/'

    # Strip off the prefix.

    pythondir = pythondir[len (prefix):]

    libdir = libdir[len (prefix):]

    # Compute the ".."s needed to get from libdir to the prefix.

    dotdots = ('..' + os.sep) * len (libdir.split (os.sep))

    objfile = gdb.current_objfile ().filename

    dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir)

    if not dir_ in sys.path:

        sys.path.insert(0, dir_)

# Load the pretty-printers.

from libstdcxx.v6.printers import register_libstdcxx_printers

register_libstdcxx_printers (gdb.current_objfile ())