# Exercising Bison Grammar Reduction. -*- Autotest -*-
-# Copyright (C) 2001-2002, 2007-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2002, 2007-2013 Free Software Foundation, Inc.
# 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
]])
AT_BISON_CHECK([[input.y]], 0, [],
-[[input.y: warning: 9 nonterminals useless in grammar
-input.y:4.8-15: warning: nonterminal useless in grammar: useless1
-input.y:5.8-15: warning: nonterminal useless in grammar: useless2
-input.y:6.8-15: warning: nonterminal useless in grammar: useless3
-input.y:7.8-15: warning: nonterminal useless in grammar: useless4
-input.y:8.8-15: warning: nonterminal useless in grammar: useless5
-input.y:9.8-15: warning: nonterminal useless in grammar: useless6
-input.y:10.8-15: warning: nonterminal useless in grammar: useless7
-input.y:11.8-15: warning: nonterminal useless in grammar: useless8
-input.y:12.8-15: warning: nonterminal useless in grammar: useless9
+[[input.y: warning: 9 nonterminals useless in grammar [-Wother]
+input.y:4.8-15: warning: nonterminal useless in grammar: useless1 [-Wother]
+input.y:5.8-15: warning: nonterminal useless in grammar: useless2 [-Wother]
+input.y:6.8-15: warning: nonterminal useless in grammar: useless3 [-Wother]
+input.y:7.8-15: warning: nonterminal useless in grammar: useless4 [-Wother]
+input.y:8.8-15: warning: nonterminal useless in grammar: useless5 [-Wother]
+input.y:9.8-15: warning: nonterminal useless in grammar: useless6 [-Wother]
+input.y:10.8-15: warning: nonterminal useless in grammar: useless7 [-Wother]
+input.y:11.8-15: warning: nonterminal useless in grammar: useless8 [-Wother]
+input.y:12.8-15: warning: nonterminal useless in grammar: useless9 [-Wother]
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
useless9: '9';
]])
+AT_BISON_CHECK([[-fcaret input.y]], 0, [],
+[[input.y: warning: 9 nonterminals useless in grammar [-Wother]
+input.y: warning: 9 rules useless in grammar [-Wother]
+input.y:6.1-8: warning: nonterminal useless in grammar: useless1 [-Wother]
+ useless1: '1';
+ ^^^^^^^^
+input.y:7.1-8: warning: nonterminal useless in grammar: useless2 [-Wother]
+ useless2: '2';
+ ^^^^^^^^
+input.y:8.1-8: warning: nonterminal useless in grammar: useless3 [-Wother]
+ useless3: '3';
+ ^^^^^^^^
+input.y:9.1-8: warning: nonterminal useless in grammar: useless4 [-Wother]
+ useless4: '4';
+ ^^^^^^^^
+input.y:10.1-8: warning: nonterminal useless in grammar: useless5 [-Wother]
+ useless5: '5';
+ ^^^^^^^^
+input.y:11.1-8: warning: nonterminal useless in grammar: useless6 [-Wother]
+ useless6: '6';
+ ^^^^^^^^
+input.y:12.1-8: warning: nonterminal useless in grammar: useless7 [-Wother]
+ useless7: '7';
+ ^^^^^^^^
+input.y:13.1-8: warning: nonterminal useless in grammar: useless8 [-Wother]
+ useless8: '8';
+ ^^^^^^^^
+input.y:14.1-8: warning: nonterminal useless in grammar: useless9 [-Wother]
+ useless9: '9';
+ ^^^^^^^^
+input.y:6.11-13: warning: rule useless in grammar [-Wother]
+ useless1: '1';
+ ^^^
+input.y:7.11-13: warning: rule useless in grammar [-Wother]
+ useless2: '2';
+ ^^^
+input.y:8.11-13: warning: rule useless in grammar [-Wother]
+ useless3: '3';
+ ^^^
+input.y:9.11-13: warning: rule useless in grammar [-Wother]
+ useless4: '4';
+ ^^^
+input.y:10.11-13: warning: rule useless in grammar [-Wother]
+ useless5: '5';
+ ^^^
+input.y:11.11-13: warning: rule useless in grammar [-Wother]
+ useless6: '6';
+ ^^^
+input.y:12.11-13: warning: rule useless in grammar [-Wother]
+ useless7: '7';
+ ^^^
+input.y:13.11-13: warning: rule useless in grammar [-Wother]
+ useless8: '8';
+ ^^^
+input.y:14.11-13: warning: rule useless in grammar [-Wother]
+ useless9: '9';
+ ^^^
+]])
+
AT_BISON_CHECK([[input.y]], 0, [],
-[[input.y: warning: 9 nonterminals useless in grammar
-input.y: warning: 9 rules useless in grammar
-input.y:6.1-8: warning: nonterminal useless in grammar: useless1
-input.y:7.1-8: warning: nonterminal useless in grammar: useless2
-input.y:8.1-8: warning: nonterminal useless in grammar: useless3
-input.y:9.1-8: warning: nonterminal useless in grammar: useless4
-input.y:10.1-8: warning: nonterminal useless in grammar: useless5
-input.y:11.1-8: warning: nonterminal useless in grammar: useless6
-input.y:12.1-8: warning: nonterminal useless in grammar: useless7
-input.y:13.1-8: warning: nonterminal useless in grammar: useless8
-input.y:14.1-8: warning: nonterminal useless in grammar: useless9
-input.y:6.11-13: warning: rule useless in grammar: useless1: '1'
-input.y:7.11-13: warning: rule useless in grammar: useless2: '2'
-input.y:8.11-13: warning: rule useless in grammar: useless3: '3'
-input.y:9.11-13: warning: rule useless in grammar: useless4: '4'
-input.y:10.11-13: warning: rule useless in grammar: useless5: '5'
-input.y:11.11-13: warning: rule useless in grammar: useless6: '6'
-input.y:12.11-13: warning: rule useless in grammar: useless7: '7'
-input.y:13.11-13: warning: rule useless in grammar: useless8: '8'
-input.y:14.11-13: warning: rule useless in grammar: useless9: '9'
+[[input.y: warning: 9 nonterminals useless in grammar [-Wother]
+input.y: warning: 9 rules useless in grammar [-Wother]
+input.y:6.1-8: warning: nonterminal useless in grammar: useless1 [-Wother]
+input.y:7.1-8: warning: nonterminal useless in grammar: useless2 [-Wother]
+input.y:8.1-8: warning: nonterminal useless in grammar: useless3 [-Wother]
+input.y:9.1-8: warning: nonterminal useless in grammar: useless4 [-Wother]
+input.y:10.1-8: warning: nonterminal useless in grammar: useless5 [-Wother]
+input.y:11.1-8: warning: nonterminal useless in grammar: useless6 [-Wother]
+input.y:12.1-8: warning: nonterminal useless in grammar: useless7 [-Wother]
+input.y:13.1-8: warning: nonterminal useless in grammar: useless8 [-Wother]
+input.y:14.1-8: warning: nonterminal useless in grammar: useless9 [-Wother]
+input.y:6.11-13: warning: rule useless in grammar: useless1: '1' [-Wother]
+input.y:7.11-13: warning: rule useless in grammar: useless2: '2' [-Wother]
+input.y:8.11-13: warning: rule useless in grammar: useless3: '3' [-Wother]
+input.y:9.11-13: warning: rule useless in grammar: useless4: '4' [-Wother]
+input.y:10.11-13: warning: rule useless in grammar: useless5: '5' [-Wother]
+input.y:11.11-13: warning: rule useless in grammar: useless6: '6' [-Wother]
+input.y:12.11-13: warning: rule useless in grammar: useless7: '7' [-Wother]
+input.y:13.11-13: warning: rule useless in grammar: useless8: '8' [-Wother]
+input.y:14.11-13: warning: rule useless in grammar: useless9: '9' [-Wother]
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
%%
]])
+AT_BISON_CHECK([[-fcaret not-reduced.y]], 0, [],
+[[not-reduced.y: warning: 2 nonterminals useless in grammar [-Wother]
+not-reduced.y: warning: 3 rules useless in grammar [-Wother]
+not-reduced.y:14.1-13: warning: nonterminal useless in grammar: not_reachable [-Wother]
+ not_reachable: useful { /* A not reachable action. */ }
+ ^^^^^^^^^^^^^
+not-reduced.y:11.6-19: warning: nonterminal useless in grammar: non_productive [-Wother]
+ | non_productive { /* A non productive action. */ }
+ ^^^^^^^^^^^^^^
+not-reduced.y:11.6-57: warning: rule useless in grammar [-Wother]
+ | non_productive { /* A non productive action. */ }
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+not-reduced.y:14.16-56: warning: rule useless in grammar [-Wother]
+ not_reachable: useful { /* A not reachable action. */ }
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+not-reduced.y:17.17-18.63: warning: rule useless in grammar [-Wother]
+ non_productive: non_productive useless_token
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+]])
+
AT_BISON_CHECK([[not-reduced.y]], 0, [],
-[[not-reduced.y: warning: 2 nonterminals useless in grammar
-not-reduced.y: warning: 3 rules useless in grammar
-not-reduced.y:14.1-13: warning: nonterminal useless in grammar: not_reachable
-not-reduced.y:11.6-19: warning: nonterminal useless in grammar: non_productive
-not-reduced.y:11.6-57: warning: rule useless in grammar: exp: non_productive
-not-reduced.y:14.16-56: warning: rule useless in grammar: not_reachable: useful
-not-reduced.y:17.17-18.63: warning: rule useless in grammar: non_productive: non_productive useless_token
+[[not-reduced.y: warning: 2 nonterminals useless in grammar [-Wother]
+not-reduced.y: warning: 3 rules useless in grammar [-Wother]
+not-reduced.y:14.1-13: warning: nonterminal useless in grammar: not_reachable [-Wother]
+not-reduced.y:11.6-19: warning: nonterminal useless in grammar: non_productive [-Wother]
+not-reduced.y:11.6-57: warning: rule useless in grammar: exp: non_productive [-Wother]
+not-reduced.y:14.16-56: warning: rule useless in grammar: not_reachable: useful [-Wother]
+not-reduced.y:17.17-18.63: warning: rule useless in grammar: non_productive: non_productive useless_token [-Wother]
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' not-reduced.output]], 0,
]])
AT_BISON_CHECK([[input.y]], 0, [],
-[[input.y: warning: 2 nonterminals useless in grammar
-input.y: warning: 3 rules useless in grammar
-input.y:5.15-25: warning: nonterminal useless in grammar: underivable
-input.y:6.14-24: warning: nonterminal useless in grammar: indirection
-input.y:5.15-25: warning: rule useless in grammar: exp: underivable
-input.y:6.14-24: warning: rule useless in grammar: underivable: indirection
-input.y:7.14-24: warning: rule useless in grammar: indirection: underivable
+[[input.y: warning: 2 nonterminals useless in grammar [-Wother]
+input.y: warning: 3 rules useless in grammar [-Wother]
+input.y:5.15-25: warning: nonterminal useless in grammar: underivable [-Wother]
+input.y:6.14-24: warning: nonterminal useless in grammar: indirection [-Wother]
+input.y:5.15-25: warning: rule useless in grammar: exp: underivable [-Wother]
+input.y:6.14-24: warning: rule useless in grammar: underivable: indirection [-Wother]
+input.y:7.14-24: warning: rule useless in grammar: indirection: underivable [-Wother]
]])
AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
]])
AT_BISON_CHECK([[input.y]], 1, [],
-[[input.y: warning: 2 nonterminals useless in grammar
-input.y: warning: 2 rules useless in grammar
+[[input.y: warning: 2 nonterminals useless in grammar [-Wother]
+input.y: warning: 2 rules useless in grammar [-Wother]
input.y:3.1-3: fatal error: start symbol exp does not derive any sentence
]])
[[%left 'a'
// Conflict resolution renders state 12 unreachable for canonical LR(1). We
// keep it so that the paser table diff is easier to code.
-%define lr.keep-unreachable-states]],
+%define lr.keep-unreachable-state]],
[[
S: 'a' A 'a' /* rule 1 */
| 'b' A 'b' /* rule 2 */
[[%left 'a'
// Conflict resolution renders state 16 unreachable for canonical LR(1). We
// keep it so that the paser table diff is easier to code.
-%define lr.keep-unreachable-states]],
+%define lr.keep-unreachable-state]],
[[
/* Similar to the last test case set but two states must be split. */
S: 'a' A 'a' /* rule 1 */
[[%left 'a'
// Conflict resolution renders state 16 unreachable for canonical LR(1). We
// keep it so that the paser table diff is easier to code.
-%define lr.keep-unreachable-states]],
+%define lr.keep-unreachable-state]],
[[
/* Similar to the last test case set but forseeing the S/R conflict from the
first state that must be split is becoming difficult. Imagine if B were
]])])
AT_TEST_LR_TYPE([[Split During Added Lookahead Propagation]],
-[[%define lr.keep-unreachable-states]],
+[[%define lr.keep-unreachable-state]],
[[
/* The partial state chart diagram below is for LALR(1). State 0 is the start
state. States are iterated for successor construction in numerical order.
dnl BISON-STDERR
[AT_COND_CASE([[LALR]],
-[[input.y: conflicts: 1 reduce/reduce
+[[input.y: warning: 1 reduce/reduce conflict [-Wconflicts-rr]
]], [])],
dnl TABLES
## ------------------------------- ##
-## %define lr.default-reductions. ##
+## %define lr.default-reduction. ##
## ------------------------------- ##
# AT_TEST_LR_DEFAULT_REDUCTIONS(GRAMMAR, INPUT, TABLES)
# -----------------------------------------------------
m4_define([AT_TEST_LR_DEFAULT_REDUCTIONS],
[
-AT_TEST_TABLES_AND_PARSE([[no %define lr.default-reductions]],
+AT_TEST_TABLES_AND_PARSE([[no %define lr.default-reduction]],
[[most]], [[]],
[[]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions most]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reduction most]],
[[most]], [[]],
- [[%define lr.default-reductions most]],
+ [[%define lr.default-reduction most]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions consistent]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reduction consistent]],
[[consistent]], [[]],
- [[%define lr.default-reductions consistent]],
+ [[%define lr.default-reduction consistent]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions accepting]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reduction accepting]],
[[accepting]], [[]],
- [[%define lr.default-reductions accepting]],
+ [[%define lr.default-reduction accepting]],
[$1], [$2], [[]], [$3])
])
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