# Exercising Bison Grammar Reduction. -*- Autotest -*-
-# Copyright (C) 2001, 2002, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+
+# Copyright (C) 2001-2002, 2007-2012 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_TEST_TABLES_AND_PARSE([[no %define lr.type: ]$1],
[[LALR]], [[]],
[$2], m4_shiftn(2, $@))
-AT_TEST_TABLES_AND_PARSE([[%define lr.type "LALR": ]$1],
+AT_TEST_TABLES_AND_PARSE([[%define lr.type lalr: ]$1],
[[LALR]], [[]],
- [[%define lr.type "LALR"
+ [[%define lr.type lalr
]$2],
m4_shiftn(2, $@))
-AT_TEST_TABLES_AND_PARSE([[%define lr.type "IELR": ]$1],
+AT_TEST_TABLES_AND_PARSE([[%define lr.type ielr: ]$1],
[[IELR]], [[]],
- [[%define lr.type "IELR"
+ [[%define lr.type ielr
]$2],
m4_shiftn(2, $@))
-AT_TEST_TABLES_AND_PARSE([[%define lr.type "canonical LR": ]$1],
+AT_TEST_TABLES_AND_PARSE([[%define lr.type canonical-lr: ]$1],
[[canonical LR]], [[]],
- [[%define lr.type "canonical LR"
+ [[%define lr.type canonical-lr
]$2],
m4_shiftn(2, $@))
])
[[%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-states]],
[[
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-states]],
[[
/* 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-states]],
[[
/* 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-states]],
[[
/* 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.
-## -------------------------- ##
-## %define lr.default_rules. ##
-## -------------------------- ##
+## ------------------------------- ##
+## %define lr.default-reductions. ##
+## ------------------------------- ##
-# AT_TEST_LR_DEFAULT_RULES(GRAMMAR, INPUT, TABLES)
-# ------------------------------------------------
-m4_define([AT_TEST_LR_DEFAULT_RULES],
+# AT_TEST_LR_DEFAULT_REDUCTIONS(GRAMMAR, INPUT, TABLES)
+# -----------------------------------------------------
+m4_define([AT_TEST_LR_DEFAULT_REDUCTIONS],
[
-AT_TEST_TABLES_AND_PARSE([[no %define lr.default_rules]],
- [[all]], [[]],
+AT_TEST_TABLES_AND_PARSE([[no %define lr.default-reductions]],
+ [[most]], [[]],
[[]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default_rules "all"]],
- [[all]], [[]],
- [[%define lr.default_rules "all"]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions most]],
+ [[most]], [[]],
+ [[%define lr.default-reductions most]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default_rules "consistent"]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions consistent]],
[[consistent]], [[]],
- [[%define lr.default_rules "consistent"]],
+ [[%define lr.default-reductions consistent]],
[$1], [$2], [[]], [$3])
-AT_TEST_TABLES_AND_PARSE([[%define lr.default_rules "accepting"]],
+AT_TEST_TABLES_AND_PARSE([[%define lr.default-reductions accepting]],
[[accepting]], [[]],
- [[%define lr.default_rules "accepting"]],
+ [[%define lr.default-reductions accepting]],
[$1], [$2], [[]], [$3])
])
-AT_TEST_LR_DEFAULT_RULES([[
+AT_TEST_LR_DEFAULT_REDUCTIONS([[
/* The start state is consistent and has a shift on 'a' and no reductions.
After pushing the b below, enter an inconsistent state that has a shift and
one reduction with one lookahead. */
/* After the previous reduction, enter an inconsistent state that has no shift
and multiple reductions. The first reduction has more lookaheads than the
- second, so the first should always be preferred as the default rule if
+ second, so the first should always be preferred as the default reduction if
enabled. The second reduction has one lookahead. */
b: ;
c: ;
2 | a . b 'a'
3 | a . c 'b'
5 b: . [$end, 'a']
- 6 c: . ['b']]AT_COND_CASE([[all]], [[
+ 6 c: . ['b']]AT_COND_CASE([[most]], [[
'b' reduce using rule 6 (c)
$default reduce using rule 5 (b)]], [[
'a' shift, and go to state 7
- ]AT_COND_CASE([[all]], [[$default]], [[$end]])[ reduce using rule 1 (start)
+ ]AT_COND_CASE([[most]], [[$default]],
+ [[$end]])[ reduce using rule 1 (start)
state 6