tests/compile/toop.nim


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discard """
  output: "b"
"""

type
  TA = object of TObject
    x, y: int
  
  TB = object of TA
    z: int
    
  TC = object of TB
    whatever: string
  
proc p(a: var TA) = echo "a"
proc p(b: var TB) = echo "b"

var c: TC

p(c)
# Copyright (C) 2009, 2010  Roman Zimbelmann <romanz@lavabit.com>
#
# 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 <http://www.gnu.org/licenses/>.

"""
A function to escape metacharacters of arguments for shell commands.
"""

META_CHARS = (' ', "'", '"', '`', '&', '|', ';',
		'$', '!', '(', ')', '[', ']', '<', '>')
META_DICT = dict([(mc, '\\' + mc) for mc in META_CHARS])

def shell_quote(string):
	"""Escapes by quoting"""
	return "'" + str(string).replace("'", "'\\''") + "'"


def shell_escape(arg):
	"""Escapes by adding backslashes"""
	arg = str(arg)
	arg = arg.replace('\\', '\\\\') # make sure this comes at the start
	for k, v in META_DICT.items():
		arg = arg.replace(k, v)
	return arg