bisonfix.awk

# bisonfix.awk --- tweak awkgram.c for stupid compilers.

# Copyright (C) 2005, 2009 the Free Software Foundation, Inc.
# 
# This file is part of GAWK, the GNU implementation of the
# AWK Programming Language.
# 
# GAWK 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.
# 
# GAWK 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

BEGIN { sfile = ARGV[1] ; delete ARGV[1] }

/^#if.*\\$/ {
	line = $0
	sub(/\\$/, "", line)
	getline line2
	while (line2 ~ /\\$/) {
		line = line line2
		sub(/\\$/, "", line)
		getline line2
	}
	line = line line2
	sub(/\\$/, "", line)
	print line
	next
}

/^#line.*y\.tab\.c/	{ sub(/y.tab/, sfile) }

{ print }