Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / tools / src / nas,5.n2.os.2 / lib / python / lib / python2.4 / shlex.py

# -*- coding: iso-8859-1 -*-
"""A lexical analyzer class for simple shell-like syntaxes."""

# Module and documentation by Eric S. Raymond, 21 Dec 1998
# Input stacking and error message cleanup added by ESR, March 2000
# push_source() and pop_source() made explicit by ESR, January 2001.
# Posix compliance, split(), string arguments, and
# iterator interface by Gustavo Niemeyer, April 2003.

import os.path
import sys
from collections import deque

try:
    from cStringIO import StringIO
except ImportError:
    from StringIO import StringIO

__all__ = ["shlex", "split"]

class shlex:
    "A lexical analyzer class for simple shell-like syntaxes."
    def __init__(self, instream=None, infile=None, posix=False):
        if isinstance(instream, basestring):
            instream = StringIO(instream)
        if instream is not None:
            self.instream = instream
            self.infile = infile
        else:
            self.instream = sys.stdin
            self.infile = None
        self.posix = posix
        if posix:
            self.eof = None
        else:
            self.eof = ''
        self.commenters = '#'
        self.wordchars = ('abcdfeghijklmnopqrstuvwxyz'
                          'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_')
        if self.posix: