X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/c6bf97ccb45672a004ef376b9f3e578d2f558d5f..f42c012fcf0c4eb4d07b59caca90de5442f988c3:/tests/reduce.at diff --git a/tests/reduce.at b/tests/reduce.at index bf43bf9d..a5fd1cad 100644 --- a/tests/reduce.at +++ b/tests/reduce.at @@ -1,6 +1,6 @@ # 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 @@ -88,16 +88,16 @@ exp: useful; ]]) 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, @@ -142,27 +142,86 @@ useless8: '8'; 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, @@ -238,14 +297,34 @@ non_productive: non_productive useless_token %% ]]) +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;/^$/!p' not-reduced.output]], 0, @@ -314,13 +393,13 @@ indirection: underivable; ]]) AT_BISON_CHECK([[input.y]], 0, [], -[[input.y: warning: 2 nonterminals useless in grammar -input.y: warning: 3 rules useless in grammar -input.y:5.15-25: warning: nonterminal useless in grammar: underivable -input.y:6.14-24: warning: nonterminal useless in grammar: indirection -input.y:5.15-25: warning: rule useless in grammar: exp: underivable -input.y:6.14-24: warning: rule useless in grammar: underivable: indirection -input.y:7.14-24: warning: rule useless in grammar: indirection: underivable +[[input.y: warning: 2 nonterminals useless in grammar [-Wother] +input.y: warning: 3 rules useless in grammar [-Wother] +input.y:5.15-25: warning: nonterminal useless in grammar: underivable [-Wother] +input.y:6.14-24: warning: nonterminal useless in grammar: indirection [-Wother] +input.y:5.15-25: warning: rule useless in grammar: exp: underivable [-Wother] +input.y:6.14-24: warning: rule useless in grammar: underivable: indirection [-Wother] +input.y:7.14-24: warning: rule useless in grammar: indirection: underivable [-Wother] ]]) AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0, @@ -350,8 +429,8 @@ exp: exp; ]]) 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 ]]) @@ -396,7 +475,7 @@ AT_TEST_LR_TYPE([[Single State Split]], [[%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 */ @@ -629,7 +708,7 @@ AT_TEST_LR_TYPE([[Lane Split]], [[%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 */ @@ -873,7 +952,7 @@ AT_TEST_LR_TYPE([[Complex Lane Split]], [[%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 @@ -1139,7 +1218,7 @@ dnl PARSER-EXIT-VALUE, PARSER-STDOUT, PARSER-STDERR ]])]) 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. @@ -1191,7 +1270,7 @@ dnl INPUT dnl BISON-STDERR [AT_COND_CASE([[LALR]], -[[input.y: conflicts: 1 reduce/reduce +[[input.y: warning: 1 reduce/reduce conflict [-Wconflicts-rr] ]], [])], dnl TABLES @@ -1443,28 +1522,28 @@ dnl PARSER-EXIT-VALUE, PARSER-STDOUT, PARSER-STDERR ## ------------------------------- ## -## %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]) ])