# Exercising Bison Grammar Reduction. -*- Autotest -*-
-# Copyright 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
-# This program is free software; you can redistribute it and/or modify
+# 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 2, or (at your option)
-# any later version.
-
+# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Grammar Reduction.]])
AT_DATA([[input.y]],
[[%verbose
-%output="input.c"
+%output "input.c"
%token useless1
%token useless2
AT_CHECK([[bison input.y]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
-[[Terminals which are not used:
+[[Terminals which are not used
useless1
useless2
useless3
AT_DATA([[input.y]],
[[%verbose
-%output="input.c"
+%output "input.c"
%nterm useless1
%nterm useless2
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
-[[Useless nonterminals:
+[[Useless nonterminals
useless1
useless2
useless3
AT_DATA([[input.y]],
[[%verbose
-%output="input.c"
+%output "input.c"
%token useful
%%
exp: useful;
input.y:12.1-8: warning: useless nonterminal: useless7
input.y:13.1-8: warning: useless nonterminal: useless8
input.y:14.1-8: warning: useless nonterminal: useless9
-input.y:6.9-13: warning: useless rule: useless1: '1'
-input.y:7.9-13: warning: useless rule: useless2: '2'
-input.y:8.9-13: warning: useless rule: useless3: '3'
-input.y:9.9-13: warning: useless rule: useless4: '4'
-input.y:10.9-13: warning: useless rule: useless5: '5'
-input.y:11.9-13: warning: useless rule: useless6: '6'
-input.y:12.9-13: warning: useless rule: useless7: '7'
-input.y:13.9-13: warning: useless rule: useless8: '8'
-input.y:14.9-13: warning: useless rule: useless9: '9'
+input.y:6.11-13: warning: useless rule: useless1: '1'
+input.y:7.11-13: warning: useless rule: useless2: '2'
+input.y:8.11-13: warning: useless rule: useless3: '3'
+input.y:9.11-13: warning: useless rule: useless4: '4'
+input.y:10.11-13: warning: useless rule: useless5: '5'
+input.y:11.11-13: warning: useless rule: useless6: '6'
+input.y:12.11-13: warning: useless rule: useless7: '7'
+input.y:13.11-13: warning: useless rule: useless8: '8'
+input.y:14.11-13: warning: useless rule: useless9: '9'
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
-[[Useless nonterminals:
+[[Useless nonterminals
useless1
useless2
useless3
useless7
useless8
useless9
-Terminals which are not used:
+Terminals which are not used
'1'
'2'
'3'
/* A useful one. */
%token useful
%verbose
-%output="not-reduced.c"
+%output "not-reduced.c"
%%
[[not-reduced.y: warning: 2 useless nonterminals and 3 useless rules
not-reduced.y:14.1-13: warning: useless nonterminal: not_reachable
not-reduced.y:11.6-19: warning: useless nonterminal: non_productive
-not-reduced.y:11.4-57: warning: useless rule: exp: non_productive
-not-reduced.y:14.14-56: warning: useless rule: not_reachable: useful
-not-reduced.y:17.15-18.63: warning: useless rule: non_productive: non_productive useless_token
+not-reduced.y:11.6-57: warning: useless rule: exp: non_productive
+not-reduced.y:14.16-56: warning: useless rule: not_reachable: useful
+not-reduced.y:17.17-18.63: warning: useless rule: non_productive: non_productive useless_token
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' not-reduced.output]], 0,
-[[Useless nonterminals:
+[[Useless nonterminals
not_reachable
non_productive
-Terminals which are not used:
+Terminals which are not used
useless_token
Useless rules
2 exp: non_productive
/* A useful one. */
%token useful
%verbose
-%output="reduced.c"
+%output "reduced.c"
%%
AT_DATA([[input.y]],
[[%verbose
-%output="input.c"
+%output "input.c"
%token useful
%%
exp: useful | underivable;
[[input.y: warning: 2 useless nonterminals and 3 useless rules
input.y:5.15-25: warning: useless nonterminal: underivable
input.y:6.14-24: warning: useless nonterminal: indirection
-input.y:5.13-25: warning: useless rule: exp: underivable
-input.y:6.12-24: warning: useless rule: underivable: indirection
-input.y:7.12-24: warning: useless rule: indirection: underivable
+input.y:5.15-25: warning: useless rule: exp: underivable
+input.y:6.14-24: warning: useless rule: underivable: indirection
+input.y:7.14-24: warning: useless rule: indirection: underivable
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
-[[Useless nonterminals:
+[[Useless nonterminals
underivable
indirection
Useless rules
AT_SETUP([Empty Language])
AT_DATA([[input.y]],
-[[%output="input.c"
+[[%output "input.c"
%%
exp: exp;
]])