# Part of the A-A-P recipe executive: A position in a recipe
# Copyright (C) 2002-2003 Stichting NLnet Labs
# Permission to copy and use this file is specified in the file COPYING.
# If this file is missing you can find it here: http://www.a-a-p.org/COPYING
# A RecPos object contains:
# name - name of the recipe
# line_nr - line number in the recipe
#
# This is normally used in a stack, first item is the position where it
# includes the second item, etc.
class RecPos:
def __init__(self, name, line_nr = 0):
self.name = name
self.line_nr = line_nr
def __str__(self):
return 'recipe "%s" line %d' % (self.name, self.line_nr)
def rpcopy(rpstack, line_nr):
"""Make a shallow copy of the stack of RecPos objects and make a copy of
the item on the top to change its line_nr to "line_nr"."""
r = rpstack[:]
if len(r) > 0:
r[-1] = RecPos(r[-1].name, line_nr)
else:
r = [ RecPos("unknown", line_nr) ]
return r
def rpdeepcopy(rpstack, line_nr):
"""Make a deep copy of the stack of RecPos objects and for the item on the
top change its line_nr to "line_nr"."""
r = rpstack[:]
for i in range(0, len(r) - 1):
r[i] = RecPos(r[i].name, r[i].line_nr)
r[-1] = RecPos(r[-1].name, line_nr)
return r
# vim: set sw=4 et sts=4 tw=79 fo+=l:
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