X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/426607361865b7071e9b393a33ec9744093ea4b0..62e5fc6ac9bd59f801ca43e7eb81d19960f3e306:/tests/input.at diff --git a/tests/input.at b/tests/input.at index 4389e9d2..a60e0928 100644 --- a/tests/input.at +++ b/tests/input.at @@ -1,6 +1,6 @@ # Checking the Bison scanner. -*- Autotest -*- -# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 -# Free Software Foundation, Inc. + +# Copyright (C) 2002-2012 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 @@ -33,8 +33,8 @@ exp: { @$ = @1 ; }; ]]) AT_BISON_CHECK([input.y], [1], [], -[[input.y:2.13-14: integer out of range: `$1' -input.y:3.13-14: integer out of range: `@1' +[[input.y:2.13-14: integer out of range: '$1' +input.y:3.13-14: integer out of range: '@1' ]]) AT_CLEANUP @@ -58,8 +58,8 @@ exp: foo { $$; } foo { $2; } foo ]]) AT_BISON_CHECK([input.y], [1], [], -[[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type -input.y:5.24-25: $2 of `exp' has no declared type +[[input.y:5.12-13: $$ for the midrule at $2 of 'exp' has no declared type +input.y:5.24-25: $2 of 'exp' has no declared type input.y:5.6-32: warning: type clash on default action: != <> input.y:6.6-8: warning: type clash on default action: != <> input.y:7.5: warning: empty rule for typed nonterminal, and no action @@ -615,6 +615,106 @@ AT_BISON_CHECK([-o input.c input.y]) AT_CLEANUP +## -------------- ## +## Symbol names. ## +## -------------- ## + +AT_SETUP([Symbols]) + +AT_DATA_GRAMMAR([input.y], +[[%token WITH-DASH +%token WITHOUT_DASH "WITHOUT-DASH" +%token WITH.PERIOD +%token WITHOUT_PERIOD "WITHOUT.PERIOD" +%code { + void yyerror (char const *); + int yylex (void); +} +%% +start: with-dash without_dash with.period without_period; +with-dash: WITH-DASH; +without_dash: "WITHOUT-DASH"; +with.period: WITH.PERIOD; +without_period: "WITHOUT.PERIOD"; +%% +]]) + +# POSIX Yacc accept periods, but not dashes. +AT_BISON_CHECK([--yacc input.y], [1], [], +[[input.y:9.8-16: POSIX Yacc forbids dashes in symbol names: WITH-DASH +input.y:18.8-16: POSIX Yacc forbids dashes in symbol names: with-dash +]]) + +# So warn about them. +AT_BISON_CHECK([-Wyacc input.y], [], [], +[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH +input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash +]]) + +# Dashes are fine for GNU Bison. +AT_BISON_CHECK([-o input.c input.y]) + +# Make sure we don't export silly token identifiers with periods or dashes. +AT_COMPILE([input.o], [-c input.c]) + + +# Periods are genuine letters, they can start identifiers. +# Digits and dashes cannot. +AT_DATA_GRAMMAR([input.y], +[[%token .GOOD + -GOOD + 1NV4L1D + -123 +%% +start: .GOOD GOOD +]]) +AT_BISON_CHECK([-o input.c input.y], [1], [], +[[input.y:10.10: invalid character: '-' +input.y:11.10-16: invalid identifier: '1NV4L1D' +input.y:12.10: invalid character: '-' +]]) + +AT_CLEANUP + + +## ----------------- ## +## Numbered tokens. ## +## ----------------- ## + +AT_SETUP([Numbered tokens]) + +AT_DATA_GRAMMAR([redecl.y], +[[%token DECIMAL_1 11259375 + HEXADECIMAL_1 0xabcdef + HEXADECIMAL_2 0xFEDCBA + DECIMAL_2 16702650 +%% +start: DECIMAL_1 HEXADECIMAL_2; +]]) + +AT_BISON_CHECK([redecl.y], [1], [], +[[redecl.y:10.10-22: user token number 11259375 redeclaration for HEXADECIMAL_1 +redecl.y:9.8-16: previous declaration for DECIMAL_1 +redecl.y:12.10-18: user token number 16702650 redeclaration for DECIMAL_2 +redecl.y:11.10-22: previous declaration for HEXADECIMAL_2 +]]) + +AT_DATA_GRAMMAR([too-large.y], +[[%token TOO_LARGE_DEC 999999999999999999999 + TOO_LARGE_HEX 0xFFFFFFFFFFFFFFFFFFF +%% +start: TOO_LARGE_DEC TOO_LARGE_HEX +%% +]]) + +AT_BISON_CHECK([too-large.y], [1], [], +[[too-large.y:9.22-42: integer out of range: '999999999999999999999' +too-large.y:10.24-44: integer out of range: '0xFFFFFFFFFFFFFFFFFFF' +]]) + +AT_CLEANUP + + ## --------------------- ## ## Unclosed constructs. ## ## --------------------- ## @@ -649,11 +749,11 @@ start: ; ]]) AT_BISON_CHECK([-o input.c input.y], 1, [], -[[input.y:1.10-2.0: missing `"' at end of line -input.y:4.10-5.0: missing `'' at end of line -input.y:14.11-15.0: missing `'' at end of line -input.y:16.11-17.0: missing `"' at end of line -input.y:19.13-20.0: missing `}' at end of file +[[input.y:1.10-2.0: missing '"' at end of line +input.y:4.10-5.0: missing "'" at end of line +input.y:14.11-15.0: missing "'" at end of line +input.y:16.11-17.0: missing '"' at end of line +input.y:19.13-20.0: missing '}' at end of file input.y:20.1: syntax error, unexpected end of file ]]) @@ -702,6 +802,26 @@ AT_BISON_CHECK([input.y], [1], [], AT_CLEANUP +## ------------------------------- ## +## %prec's token must be defined. ## +## ------------------------------- ## + +AT_SETUP([[%prec's token must be defined]]) + +# According to POSIX, a %prec token must be defined separately. + +AT_DATA([[input.y]], +[[%% +start: %prec PREC ; +]]) + +AT_BISON_CHECK([[input.y]], [[0]], [], +[[input.y:2.8-17: warning: token for %prec is not defined: PREC +]]) + +AT_CLEANUP + + ## -------------------------------- ## ## Reject unused %code qualifiers. ## ## -------------------------------- ## @@ -716,11 +836,11 @@ AT_DATA([input-c.y], %% start: ; ]]) -AT_BISON_CHECK([[input-c.y]], [0], [], -[[input-c.y:1.7: warning: %code qualifier `q' is not used -input-c.y:2.7-9: warning: %code qualifier `bad' is not used -input-c.y:3.7-9: warning: %code qualifier `bad' is not used -input-c.y:4.7-12: warning: %code qualifier `format' is not used +AT_BISON_CHECK([[input-c.y]], [[1]], [], +[[input-c.y:1.7: %code qualifier 'q' is not used +input-c.y:2.7-9: %code qualifier 'bad' is not used +input-c.y:3.7-9: %code qualifier 'bad' is not used +input-c.y:4.7-12: %code qualifier 'format' is not used ]]) AT_DATA([input-c-glr.y], @@ -730,10 +850,10 @@ AT_DATA([input-c-glr.y], %% start: ; ]]) -AT_BISON_CHECK([[input-c-glr.y]], [0], [], -[[input-c-glr.y:1.7: warning: %code qualifier `q' is not used -input-c-glr.y:2.7-9: warning: %code qualifier `bad' is not used -input-c-glr.y:3.8-10: warning: %code qualifier `bad' is not used +AT_BISON_CHECK([[input-c-glr.y]], [[1]], [], +[[input-c-glr.y:1.7: %code qualifier 'q' is not used +input-c-glr.y:2.7-9: %code qualifier 'bad' is not used +input-c-glr.y:3.8-10: %code qualifier 'bad' is not used ]]) AT_DATA([input-c++.y], @@ -743,10 +863,10 @@ AT_DATA([input-c++.y], %% start: ; ]]) -AT_BISON_CHECK([[input-c++.y]], [0], [], -[[input-c++.y:1.7: warning: %code qualifier `q' is not used -input-c++.y:2.7-9: warning: %code qualifier `bad' is not used -input-c++.y:3.8: warning: %code qualifier `q' is not used +AT_BISON_CHECK([[input-c++.y]], [[1]], [], +[[input-c++.y:1.7: %code qualifier 'q' is not used +input-c++.y:2.7-9: %code qualifier 'bad' is not used +input-c++.y:3.8: %code qualifier 'q' is not used ]]) AT_DATA([input-c++-glr.y], @@ -756,10 +876,10 @@ AT_DATA([input-c++-glr.y], %% start: ; ]]) -AT_BISON_CHECK([[input-c++-glr.y]], [0], [], -[[input-c++-glr.y:1.7-9: warning: %code qualifier `bad' is not used -input-c++-glr.y:2.7: warning: %code qualifier `q' is not used -input-c++-glr.y:3.7: warning: %code qualifier `q' is not used +AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [], +[[input-c++-glr.y:1.7-9: %code qualifier 'bad' is not used +input-c++-glr.y:2.7: %code qualifier 'q' is not used +input-c++-glr.y:3.7: %code qualifier 'q' is not used ]]) AT_DATA([special-char-@@.y], @@ -769,10 +889,10 @@ AT_DATA([special-char-@@.y], %% start: ; ]]) -AT_BISON_CHECK([[special-char-@@.y]], [0], [], -[[special-char-@@.y:1.7-9: warning: %code qualifier `bad' is not used -special-char-@@.y:2.7: warning: %code qualifier `q' is not used -special-char-@@.y:3.7: warning: %code qualifier `q' is not used +AT_BISON_CHECK([[special-char-@@.y]], [[1]], [], +[[special-char-@@.y:1.7-9: %code qualifier 'bad' is not used +special-char-@@.y:2.7: %code qualifier 'q' is not used +special-char-@@.y:3.7: %code qualifier 'q' is not used ]]) AT_DATA([special-char-@:>@.y], @@ -782,10 +902,10 @@ AT_DATA([special-char-@:>@.y], %% start: ; ]]) -AT_BISON_CHECK([[special-char-@:>@.y]], [0], [], -[[special-char-@:>@.y:1.7-9: warning: %code qualifier `bad' is not used -special-char-@:>@.y:2.7: warning: %code qualifier `q' is not used -special-char-@:>@.y:3.7: warning: %code qualifier `q' is not used +AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [], +[[special-char-@:>@.y:1.7-9: %code qualifier 'bad' is not used +special-char-@:>@.y:2.7: %code qualifier 'q' is not used +special-char-@:>@.y:3.7: %code qualifier 'q' is not used ]]) AT_CLEANUP @@ -797,7 +917,7 @@ AT_CLEANUP AT_SETUP([%define errors]) -AT_DATA([input.y], +AT_DATA([input-redefined.y], [[%define var "value1" %define var "value1" %define var "value2" @@ -807,42 +927,75 @@ AT_DATA([input.y], start: ; ]]) -AT_BISON_CHECK([[input.y]], [0], [], -[[input.y:2.9-11: warning: %define variable `var' redefined -input.y:1.9-11: warning: previous definition -input.y:3.10-12: warning: %define variable `var' redefined -input.y:2.9-11: warning: previous definition -input.y:1.9-11: warning: %define variable `var' is not used -input.y:2.9-11: warning: %define variable `var' is not used -input.y:3.10-12: warning: %define variable `var' is not used -input.y:4.9-16: warning: %define variable `special1' is not used -input.y:5.9-16: warning: %define variable `special2' is not used +AT_BISON_CHECK([[input-redefined.y]], [[1]], [], +[[input-redefined.y:2.9-11: %define variable 'var' redefined +input-redefined.y:1.9-11: previous definition +input-redefined.y:3.10-12: %define variable 'var' redefined +input-redefined.y:2.9-11: previous definition +]]) + +AT_DATA([input-unused.y], +[[%define var "value" +%% +start: ; +]]) + +AT_BISON_CHECK([[input-unused.y]], [[1]], [], +[[input-unused.y:1.9-11: %define variable 'var' is not used ]]) AT_CLEANUP -## ------------------- ## -## %define, --define. ## -## ------------------- ## +## ----------------------------------- ## +## %define, --define, --force-define. ## +## ----------------------------------- ## -AT_SETUP([%define, --define]) +AT_SETUP([[%define, --define, --force-define]]) -AT_DATA([input.y], -[[%define var "value1" +AT_DATA([[skel.c]], +[[m4@&t@_divert_push(0)@ +@output(b4_parser_file_name@)@ +[var-dd: ]b4_percent_define_get([[var-dd]])[ +var-ff: ]b4_percent_define_get([[var-ff]])[ +var-dfg: ]b4_percent_define_get([[var-dfg]])[ +var-fd: ]b4_percent_define_get([[var-fd]]) +m4@&t@_divert_pop(0) +]]) +AT_DATA([[input.y]], +[[%define var-dfg "gram" %% start: ; ]]) +AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \ + -Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \ + -Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \ + -Fvar-fd=cmd-f -Dvar-fd=cmd-d \ + --skeleton ./skel.c input.y]]) +AT_CHECK([[cat input.tab.c]], [[0]], +[[var-dd: cmd-d2 +var-ff: cmd-f2 +var-dfg: cmd-f +var-fd: cmd-d +]]) -AT_BISON_CHECK([[-DFOO -DFOO -Dvar=value input.y]], [0], [], -[[:3: warning: %define variable `FOO' redefined -:2: warning: previous definition -input.y:1.9-11: warning: %define variable `var' redefined -:4: warning: previous definition -:2: warning: %define variable `FOO' is not used -:3: warning: %define variable `FOO' is not used -:4: warning: %define variable `var' is not used -input.y:1.9-11: warning: %define variable `var' is not used +AT_DATA([[input-dg.y]], +[[%define var "gram" +%% +start: ; +]]) +AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [], +[[input-dg.y:1.9-11: %define variable 'var' redefined +:2: previous definition +]]) + +AT_DATA([[input-unused.y]], +[[%% +start: ; +]]) +AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [], +[[:2: %define variable 'unused-d' is not used +:3: %define variable 'unused-f' is not used ]]) AT_CLEANUP @@ -862,7 +1015,7 @@ start: ; ]]) AT_BISON_CHECK([[Input.y]], [1], [], -[[Input.y:2.9-14: invalid value for %define Boolean variable `public' +[[Input.y:2.9-14: invalid value for %define Boolean variable 'public' ]]) AT_CLEANUP @@ -873,14 +1026,71 @@ AT_CLEANUP AT_SETUP([[%define enum variables]]) +# Front-end. +AT_DATA([[input.y]], +[[%define lr.default-reductions bogus +%% +start: ; +]]) +AT_BISON_CHECK([[input.y]], [[1]], [[]], +[[input.y:1.9-29: invalid value for %define variable 'lr.default-reductions': 'bogus' +input.y:1.9-29: accepted value: 'most' +input.y:1.9-29: accepted value: 'consistent' +input.y:1.9-29: accepted value: 'accepting' +]]) + +# Back-end. +AT_DATA([[input.y]], +[[%define api.push-pull neither +%% +start: ; +]]) +AT_BISON_CHECK([[input.y]], [1], [], +[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither' +input.y:1.9-21: accepted value: 'pull' +input.y:1.9-21: accepted value: 'push' +input.y:1.9-21: accepted value: 'both' +]]) + +AT_CLEANUP + +## -------------------------------- ## +## %define backward compatibility. ## +## -------------------------------- ## + +AT_SETUP([[%define backward compatibility]]) + +# The error messages tell us whether underscores in these variables are +# being converted to dashes. + AT_DATA([[input.y]], [[%define api.push_pull "neither" %% start: ; ]]) +AT_BISON_CHECK([[input.y]], [1], [], +[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither' +input.y:1.9-21: accepted value: 'pull' +input.y:1.9-21: accepted value: 'push' +input.y:1.9-21: accepted value: 'both' +]]) +AT_DATA([[input.y]], +[[%define lr.keep_unreachable_states maybe +%% +start: ; +]]) AT_BISON_CHECK([[input.y]], [1], [], -[[input.y:1.9-21: invalid value for %define variable `api.push_pull': `neither' +[[input.y:1.9-34: invalid value for %define Boolean variable 'lr.keep-unreachable-states' +]]) + +AT_DATA([[input.y]], +[[%define foo_bar "baz" +%% +start: ; +]]) +AT_BISON_CHECK([[input.y]], [[1]], [], +[[input.y:1.9-15: %define variable 'foo_bar' is not used ]]) AT_CLEANUP @@ -904,17 +1114,17 @@ AT_DATA([[input.y]], start: ; ]]) -AT_BISON_CHECK([[input.y]], [0], [], -[[input.y:1.9-16: warning: %define variable `api.pure' is not used +AT_BISON_CHECK([[input.y]], [[1]], [], +[[input.y:1.9-16: %define variable 'api.pure' is not used ]]) ]) AT_CHECK_API_PURE([[%language "c++" %defines]], [[]]) -AT_CHECK_API_PURE([[%language "c++" %defines]], [["false"]]) +AT_CHECK_API_PURE([[%language "c++" %defines]], [[false]]) AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[""]]) -AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [["false"]]) -AT_CHECK_API_PURE([[%language "java"]], [["true"]]) -AT_CHECK_API_PURE([[%language "java"]], [["false"]]) +AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[false]]) +AT_CHECK_API_PURE([[%language "java"]], [[true]]) +AT_CHECK_API_PURE([[%language "java"]], [[false]]) AT_CLEANUP @@ -966,3 +1176,168 @@ AT_CHECK_NAMESPACE_ERROR([[::]], [[namespace reference has a trailing "::"]]) AT_CLEANUP + +## ------------------------ ## +## Bad character literals. ## +## ------------------------ ## + +# Bison used to accept character literals that were empty or contained +# too many characters. + +# FIXME: AT_DATA or some variant of AT_DATA may eventually permit +# the final newline to be omitted. See the threads starting at +# . + +AT_SETUP([[Bad character literals]]) + +AT_DATA([empty.y], +[[%% +start: ''; +start: ' +]]) +AT_CHECK([[perl -e "print 'start: \'';" >> empty.y || exit 77]]) + +AT_BISON_CHECK([empty.y], [1], [], +[[empty.y:2.8-9: warning: empty character literal +empty.y:3.8-4.0: warning: empty character literal +empty.y:3.8-4.0: missing "'" at end of line +empty.y:4.8: warning: empty character literal +empty.y:4.8: missing "'" at end of file +]]) + +AT_DATA([two.y], +[[%% +start: 'ab'; +start: 'ab +]]) +AT_CHECK([[perl -e "print 'start: \'ab';" >> two.y || exit 77]]) + +AT_BISON_CHECK([two.y], [1], [], +[[two.y:2.8-11: warning: extra characters in character literal +two.y:3.8-4.0: warning: extra characters in character literal +two.y:3.8-4.0: missing "'" at end of line +two.y:4.8-10: warning: extra characters in character literal +two.y:4.8-10: missing "'" at end of file +]]) + +AT_DATA([three.y], +[[%% +start: 'abc'; +start: 'abc +]]) +AT_CHECK([[perl -e "print 'start: \'abc';" >> three.y || exit 77]]) + +AT_BISON_CHECK([three.y], [1], [], +[[three.y:2.8-12: warning: extra characters in character literal +three.y:3.8-4.0: warning: extra characters in character literal +three.y:3.8-4.0: missing "'" at end of line +three.y:4.8-11: warning: extra characters in character literal +three.y:4.8-11: missing "'" at end of file +]]) + +AT_CLEANUP + +## ------------------------- ## +## Bad escapes in literals. ## +## ------------------------- ## + +AT_SETUP([[Bad escapes in literals]]) + +AT_DATA([input.y], +[[%% +start: '\777' '\0' '\xfff' '\x0' + '\uffff' '\u0000' '\Uffffffff' '\U00000000' + '\ ' '\A'; +]]) + +# It is not easy to create special characters, we cannot even trust tr. +# Beside we cannot even expect "echo '\0'" to output two characters +# (well three with \n): at least Bash 3.2 converts the two-character +# sequence "\0" into a single NUL character. +AT_CHECK([[perl -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \ + || exit 77]]) + +AT_BISON_CHECK([input.y], [1], [], +[[input.y:2.9-12: invalid number after \-escape: 777 +input.y:2.8-13: warning: empty character literal +input.y:2.16-17: invalid number after \-escape: 0 +input.y:2.15-18: warning: empty character literal +input.y:2.21-25: invalid number after \-escape: xfff +input.y:2.20-26: warning: empty character literal +input.y:2.29-31: invalid number after \-escape: x0 +input.y:2.28-32: warning: empty character literal +input.y:3.9-14: invalid number after \-escape: uffff +input.y:3.8-15: warning: empty character literal +input.y:3.18-23: invalid number after \-escape: u0000 +input.y:3.17-24: warning: empty character literal +input.y:3.27-36: invalid number after \-escape: Uffffffff +input.y:3.26-37: warning: empty character literal +input.y:3.40-49: invalid number after \-escape: U00000000 +input.y:3.39-50: warning: empty character literal +input.y:4.9-10: invalid character after \-escape: ' ' +input.y:4.8-11: warning: empty character literal +input.y:4.14-15: invalid character after \-escape: A +input.y:4.13-16: warning: empty character literal +input.y:5.9-16: invalid character after \-escape: \t +input.y:5.17: invalid character after \-escape: \f +input.y:5.18: invalid character after \-escape: \0 +input.y:5.19: invalid character after \-escape: \001 +]]) + +AT_CLEANUP + +## ------------------------- ## +## LAC: Errors for %define. ## +## ------------------------- ## + +AT_SETUP([[LAC: Errors for %define]]) + +AT_DATA([[input.y]], +[[%% +start: ; +]]) + +# parse.lac.* options are useless if LAC isn't actually activated. +AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]], + [[1]], [], +[[:2: %define variable 'parse.lac.es-capacity-initial' is not used +]]) +AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]], + [[1]], [], +[[:2: %define variable 'parse.lac.memory-trace' is not used +]]) + +AT_CLEANUP + +## --------------------------------------------- ## +## -Werror is not affected by -Wnone and -Wall. ## +## --------------------------------------------- ## + +AT_SETUP([[-Werror is not affected by -Wnone and -Wall]]) + +AT_DATA([[input.y]], +[[%% +foo-bar: ; +]]) + +# -Werror is not enabled by -Wall or equivalent. +AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]], +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +]]) +AT_BISON_CHECK([[-W input.y]], [[0]], [[]], +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +]]) +AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]], +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +]]) + +# -Werror is not disabled by -Wnone or equivalent. +AT_BISON_CHECK([[-Werror,none,yacc input.y]], [[1]], [[]], [[stderr]]) +AT_CHECK([[sed 's/^.*bison:/bison:/' stderr]], [[0]], +[[bison: warnings being treated as errors +input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +]]) +[mv stderr experr] +AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]]) + +AT_CLEANUP