#!/usr/bin/env python
#
# Copyright 2007 Doug Hellmann.
#
#
#                         All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software and
# its documentation for any purpose and without fee is hereby
# granted, provided that the above copyright notice appear in all
# copies and that both that copyright notice and this permission
# notice appear in supporting documentation, and that the name of Doug
# Hellmann not be used in advertising or publicity pertaining to
# distribution of the software without specific, written prior
# permission.
#
# DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
# NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

"""Handling parse errors.

"""

__version__ = "$Id$"
#end_pymotw_header

import shlex

text = """This line is ok.
This line has an "unfinished quote.
This line is ok, too.
"""

print 'ORIGINAL:', repr(text)
print

lexer = shlex.shlex(text)

print 'TOKENS:'
try:
    for token in lexer:
        print repr(token)
except ValueError, err:
    first_line_of_error = lexer.token.splitlines()[0]
    print 'ERROR:', lexer.error_leader(), str(err), 'following "' + first_line_of_error + '"'
