X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6b98e4b5636203b60c2a43ddaa988562616b4c69..04877eec24484987b78387708e0a247b558b23cb:/tests/reduce.at?ds=sidebyside diff --git a/tests/reduce.at b/tests/reduce.at index ba9d27ed..c6e501fa 100644 --- a/tests/reduce.at +++ b/tests/reduce.at @@ -1,5 +1,5 @@ # 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 # it under the terms of the GNU General Public License as published by @@ -47,7 +47,7 @@ exp: useful; AT_CHECK([[bison input.y]]) AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0, -[[Terminals which are not used: +[[Terminals which are not used useless1 useless2 useless3 @@ -102,7 +102,7 @@ input.y:12.8-15: warning: useless nonterminal: useless9 ]]) AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0, -[[Useless nonterminals: +[[Useless nonterminals useless1 useless2 useless3 @@ -124,6 +124,8 @@ AT_CLEANUP AT_SETUP([Useless Rules]) +AT_KEYWORDS([report]) + AT_DATA([[input.y]], [[%verbose %output="input.c" @@ -152,19 +154,19 @@ input.y:11.1-8: warning: useless nonterminal: useless6 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;/^$/!p' input.output]], 0, -[[Useless nonterminals: +[[Useless nonterminals useless1 useless2 useless3 @@ -174,7 +176,7 @@ AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0, useless7 useless8 useless9 -Terminals which are not used: +Terminals which are not used '1' '2' '3' @@ -184,16 +186,16 @@ Terminals which are not used: '7' '8' '9' -Useless rules: -#2 useless1: '1'; -#3 useless2: '2'; -#4 useless3: '3'; -#5 useless4: '4'; -#6 useless5: '5'; -#7 useless6: '6'; -#8 useless7: '7'; -#9 useless8: '8'; -#10 useless9: '9'; +Useless rules + 2 useless1: '1' + 3 useless2: '2' + 4 useless3: '3' + 5 useless4: '4' + 6 useless5: '5' + 7 useless6: '6' + 8 useless7: '7' + 9 useless8: '8' + 10 useless9: '9' ]]) AT_CLEANUP @@ -209,6 +211,8 @@ AT_CLEANUP AT_SETUP([Reduced Automaton]) +AT_KEYWORDS([report]) + # The non reduced grammar. # ------------------------ AT_DATA([[not-reduced.y]], @@ -238,21 +242,21 @@ AT_CHECK([[bison not-reduced.y]], 0, [], [[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;/^$/!p' not-reduced.output]], 0, -[[Useless nonterminals: +[[Useless nonterminals not_reachable non_productive -Terminals which are not used: +Terminals which are not used useless_token -Useless rules: -#2 exp: non_productive; -#3 not_reachable: useful; -#4 non_productive: non_productive useless_token; +Useless rules + 2 exp: non_productive + 3 not_reachable: useful + 4 non_productive: non_productive useless_token ]]) # The reduced grammar. @@ -296,6 +300,8 @@ AT_CLEANUP AT_SETUP([Underivable Rules]) +AT_KEYWORDS([report]) + AT_DATA([[input.y]], [[%verbose %output="input.c" @@ -310,19 +316,40 @@ AT_CHECK([[bison input.y]], 0, [], [[input.y: warning: 2 useless nonterminals and 3 useless rules input.y:5.15-25: warning: useless nonterminal: underivable input.y:6.14-24: warning: useless nonterminal: indirection -input.y:5.13-25: warning: useless rule: exp: underivable -input.y:6.12-24: warning: useless rule: underivable: indirection -input.y:7.12-24: warning: useless rule: indirection: underivable +input.y:5.15-25: warning: useless rule: exp: underivable +input.y:6.14-24: warning: useless rule: underivable: indirection +input.y:7.14-24: warning: useless rule: indirection: underivable ]]) AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0, -[[Useless nonterminals: +[[Useless nonterminals underivable indirection -Useless rules: -#2 exp: underivable; -#3 underivable: indirection; -#4 indirection: underivable; +Useless rules + 2 exp: underivable + 3 underivable: indirection + 4 indirection: underivable +]]) + +AT_CLEANUP + + + +## ---------------- ## +## Empty Language. ## +## ---------------- ## + +AT_SETUP([Empty Language]) + +AT_DATA([[input.y]], +[[%output="input.c" +%% +exp: exp; +]]) + +AT_CHECK([[bison input.y]], 1, [], +[[input.y: warning: 2 useless nonterminals and 2 useless rules +input.y:3.1-3: fatal error: start symbol exp does not derive any sentence ]]) AT_CLEANUP