X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/628be6c97d9966201f0522c4ec1a4908df12ace5..5a000c51f7ca10071adea389cb32885a92dd852f:/tests/input.at diff --git a/tests/input.at b/tests/input.at index 3bf6622e..2848562d 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 @@ -20,6 +20,67 @@ AT_BANNER([[Input Processing.]]) # Mostly test that we are robust to mistakes. +## ---------------- ## +## Invalid inputs. ## +## ---------------- ## + +AT_SETUP([Invalid inputs]) + +AT_DATA([input.y], +[[\000\001\002\377? +%% +? +default: 'a' } +%& +%a-does-not-exist +%- +%{ +]]) +AT_CHECK([[$PERL -pi -e 's/\\(\d{3})/chr(oct($1))/ge' input.y || exit 77]]) + +AT_BISON_CHECK([input.y], [1], [], +[[input.y:1.1: invalid character: '\0' +input.y:1.1: invalid character: '\001' +input.y:1.1: invalid character: '\002' +input.y:1.1: invalid character: '\377' +input.y:1.2: invalid character: '?' +input.y:3.1: invalid character: '?' +input.y:4.14: invalid character: '}' +input.y:5.1: invalid character: '%' +input.y:5.2: invalid character: '&' +input.y:6.1-17: invalid directive: '%a-does-not-exist' +input.y:7.1: invalid character: '%' +input.y:7.2: invalid character: '-' +input.y:8.1-9.0: missing '%}' at end of file +input.y:8.1-9.0: syntax error, unexpected %{...%} +]]) + +AT_CLEANUP + + +AT_SETUP([Invalid inputs with {}]) + +# We used to SEGV here. See +# http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html + +AT_DATA([input.y], +[[ +%destructor +%initial-action +%lex-param +%parse-param +%printer +%union +]]) + +AT_BISON_CHECK([input.y], [1], [], +[[input.y:3.1-15: syntax error, unexpected %initial-action, expecting {...} +]]) + +AT_CLEANUP + + + ## ------------ ## ## Invalid $n. ## ## ------------ ## @@ -33,8 +94,8 @@ exp: { @$ = @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 +119,8 @@ 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: $$ for the midrule at $2 of 'exp' has no declared type +input.y:5.24-25: $2 of 'exp' has no declared type input.y:5.6-32: warning: type clash on default action: != <> input.y:6.6-8: warning: type clash on default action: != <> input.y:7.5: warning: empty rule for typed nonterminal, and no action @@ -69,7 +130,7 @@ AT_CLEANUP # _AT_UNUSED_VALUES_DECLARATIONS() -# -------------------------------------------- +# -------------------------------- # Generate the token, type, and destructor # declarations for the unused values tests. @@ -182,53 +243,53 @@ AT_SETUP([Default %printer and %destructor redeclared]) AT_DATA([[input.y]], [[%destructor { destroy ($$); } <*> <*> -%printer { destroy ($$); } <*> <*> +%printer { print ($$); } <*> <*> %destructor { destroy ($$); } <*> -%printer { destroy ($$); } <*> +%printer { print ($$); } <*> %destructor { destroy ($$); } <> <> -%printer { destroy ($$); } <> <> +%printer { print ($$); } <> <> %destructor { destroy ($$); } <> -%printer { destroy ($$); } <> +%printer { print ($$); } <> %% start: ; %destructor { destroy ($$); } <*>; -%printer { destroy ($$); } <*>; +%printer { print ($$); } <*>; %destructor { destroy ($$); } <>; -%printer { destroy ($$); } <>; +%printer { print ($$); } <>; ]]) AT_BISON_CHECK([input.y], [1], [], [[input.y:1.13-29: redeclaration for default tagged %destructor input.y:1.13-29: previous declaration -input.y:2.10-26: redeclaration for default tagged %printer -input.y:2.10-26: previous declaration +input.y:2.10-24: redeclaration for default tagged %printer +input.y:2.10-24: previous declaration input.y:4.13-29: redeclaration for default tagged %destructor input.y:1.13-29: previous declaration -input.y:5.10-26: redeclaration for default tagged %printer -input.y:2.10-26: previous declaration +input.y:5.10-24: redeclaration for default tagged %printer +input.y:2.10-24: previous declaration input.y:7.13-29: redeclaration for default tagless %destructor input.y:7.13-29: previous declaration -input.y:8.10-26: redeclaration for default tagless %printer -input.y:8.10-26: previous declaration +input.y:8.10-24: redeclaration for default tagless %printer +input.y:8.10-24: previous declaration input.y:10.13-29: redeclaration for default tagless %destructor input.y:7.13-29: previous declaration -input.y:11.10-26: redeclaration for default tagless %printer -input.y:8.10-26: previous declaration +input.y:11.10-24: redeclaration for default tagless %printer +input.y:8.10-24: previous declaration input.y:17.13-29: redeclaration for default tagged %destructor input.y:4.13-29: previous declaration -input.y:18.10-26: redeclaration for default tagged %printer -input.y:5.10-26: previous declaration +input.y:18.10-24: redeclaration for default tagged %printer +input.y:5.10-24: previous declaration input.y:20.13-29: redeclaration for default tagless %destructor input.y:10.13-29: previous declaration -input.y:21.10-26: redeclaration for default tagless %printer -input.y:11.10-26: previous declaration +input.y:21.10-24: redeclaration for default tagless %printer +input.y:11.10-24: previous declaration ]]) AT_CLEANUP @@ -242,17 +303,17 @@ AT_SETUP([Per-type %printer and %destructor redeclared]) AT_DATA([[input.y]], [[%destructor { destroy ($$); } -%printer { destroy ($$); } +%printer { print ($$); } %destructor { destroy ($$); } -%printer { destroy ($$); } +%printer { print ($$); } %% start: ; %destructor { destroy ($$); } ; -%printer { destroy ($$); } ; +%printer { print ($$); } ; ]]) AT_BISON_CHECK([input.y], [1], [], @@ -260,18 +321,18 @@ AT_BISON_CHECK([input.y], [1], [], input.y:1.13-29: previous declaration input.y:4.13-29: %destructor redeclaration for input.y:4.13-29: previous declaration -input.y:5.10-26: %printer redeclaration for -input.y:2.10-26: previous declaration -input.y:5.10-26: %printer redeclaration for -input.y:5.10-26: previous declaration +input.y:5.10-24: %printer redeclaration for +input.y:2.10-24: previous declaration +input.y:5.10-24: %printer redeclaration for +input.y:5.10-24: previous declaration input.y:11.13-29: %destructor redeclaration for input.y:4.13-29: previous declaration input.y:11.13-29: %destructor redeclaration for input.y:1.13-29: previous declaration -input.y:12.10-26: %printer redeclaration for -input.y:2.10-26: previous declaration -input.y:12.10-26: %printer redeclaration for -input.y:5.10-26: previous declaration +input.y:12.10-24: %printer redeclaration for +input.y:2.10-24: previous declaration +input.y:12.10-24: %printer redeclaration for +input.y:5.10-24: previous declaration ]]) AT_CLEANUP @@ -391,7 +452,7 @@ AT_CLEANUP AT_SETUP([Torturing the Scanner]) - +AT_BISON_OPTION_PUSHDEFS AT_DATA([input.y], []) AT_BISON_CHECK([input.y], [1], [], [[input.y:1.1: syntax error, unexpected end of file @@ -442,6 +503,7 @@ char apostrophe = '\''; #include #include +#include %} /* %{ and %} can be here too. */ @@ -468,8 +530,8 @@ char quote[] = "@:>@@:>@,"; %} %{ -static void yyerror (const char *s); -static int yylex (void); +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ %} %type '@<:@' @@ -501,7 +563,7 @@ value_as_yystype (value val) res.ival = val; return res; } - +]AT_YYERROR_DEFINE[ static int yylex (void) { @@ -509,20 +571,13 @@ yylex (void) #output "; /* " */ static size_t toknum; - if (! (toknum < sizeof input)) - abort (); + assert (toknum < sizeof input); yylval = value_as_yystype (input[toknum]); return input[toknum++]; } - -static void -yyerror (const char *msg) -{ - fprintf (stderr, "%s\n", msg); -} ]]) -# Pacify Emacs'font-lock-mode: " +# Pacify Emacs' font-lock-mode: " AT_DATA([main.c], [[typedef int value; @@ -536,10 +591,11 @@ main (void) return yyparse (); } ]]) +AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([-d -v -o input.c input.y]) -AT_COMPILE([input.o], [-c input.c]) -AT_COMPILE([main.o], [-c main.c]) +AT_COMPILE([input.o]) +AT_COMPILE([main.o]) AT_COMPILE([input], [input.o main.o]) AT_PARSER_CHECK([./input], 0, [[[@<:@], @@ -621,14 +677,15 @@ AT_CLEANUP AT_SETUP([Symbols]) +AT_BISON_OPTION_PUSHDEFS 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); + ]AT_YYERROR_DECLARE[ + ]AT_YYLEX_DECLARE[ } %% start: with-dash without_dash with.period without_period; @@ -637,7 +694,10 @@ without_dash: "WITHOUT-DASH"; with.period: WITH.PERIOD; without_period: "WITHOUT.PERIOD"; %% +]AT_YYERROR_DEFINE[ +]AT_YYLEX_DEFINE[ ]]) +AT_BISON_OPTION_POPDEFS # POSIX Yacc accept periods, but not dashes. AT_BISON_CHECK([--yacc input.y], [1], [], @@ -655,20 +715,23 @@ input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash 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]) +AT_COMPILE([input.o]) -# Periods and dashes are genuine letters, they can start identifiers. -# Digits cannot. +# 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 +start: .GOOD GOOD ]]) AT_BISON_CHECK([-o input.c input.y], [1], [], -[[input.y:11.10-16: invalid identifier: `1NV4L1D' +[[input.y:10.10: invalid character: '-' +input.y:11.10-16: invalid identifier: '1NV4L1D' +input.y:12.10: invalid character: '-' ]]) AT_CLEANUP @@ -705,8 +768,8 @@ 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' +[[too-large.y:9.22-42: integer out of range: '999999999999999999999' +too-large.y:10.24-44: integer out of range: '0xFFFFFFFFFFFFFFFFFFF' ]]) AT_CLEANUP @@ -746,11 +809,11 @@ 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 ]]) @@ -799,6 +862,26 @@ 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. ## ## -------------------------------- ## @@ -814,10 +897,10 @@ AT_DATA([input-c.y], start: ; ]]) 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 +[[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], @@ -828,9 +911,9 @@ AT_DATA([input-c-glr.y], start: ; ]]) 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 +[[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], @@ -841,9 +924,9 @@ AT_DATA([input-c++.y], start: ; ]]) 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 +[[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], @@ -854,9 +937,9 @@ AT_DATA([input-c++-glr.y], start: ; ]]) 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 +[[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], @@ -867,9 +950,9 @@ AT_DATA([special-char-@@.y], start: ; ]]) 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 +[[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], @@ -880,9 +963,9 @@ AT_DATA([special-char-@:>@.y], start: ; ]]) 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 +[[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 @@ -905,9 +988,9 @@ start: ; ]]) AT_BISON_CHECK([[input-redefined.y]], [[1]], [], -[[input-redefined.y:2.9-11: %define variable `var' redefined +[[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:3.10-12: %define variable 'var' redefined input-redefined.y:2.9-11: previous definition ]]) @@ -918,7 +1001,7 @@ start: ; ]]) AT_BISON_CHECK([[input-unused.y]], [[1]], [], -[[input-unused.y:1.9-11: %define variable `var' is not used +[[input-unused.y:1.9-11: %define variable 'var' is not used ]]) AT_CLEANUP @@ -962,7 +1045,7 @@ AT_DATA([[input-dg.y]], start: ; ]]) AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [], -[[input-dg.y:1.9-11: %define variable `var' redefined +[[input-dg.y:1.9-11: %define variable 'var' redefined :2: previous definition ]]) @@ -971,8 +1054,8 @@ 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 +[[:2: %define variable 'unused-d' is not used +:3: %define variable 'unused-f' is not used ]]) AT_CLEANUP @@ -992,7 +1075,7 @@ 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 @@ -1010,10 +1093,10 @@ AT_DATA([[input.y]], 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: `all' -input.y:1.9-29: accepted value: `consistent' -input.y:1.9-29: accepted value: `accepting' +[[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. @@ -1023,10 +1106,10 @@ AT_DATA([[input.y]], 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' +[[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 @@ -1046,10 +1129,10 @@ AT_DATA([[input.y]], 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' +[[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]], @@ -1058,7 +1141,7 @@ AT_DATA([[input.y]], start: ; ]]) AT_BISON_CHECK([[input.y]], [1], [], -[[input.y:1.9-34: invalid value for %define Boolean variable `lr.keep-unreachable-states' +[[input.y:1.9-34: invalid value for %define Boolean variable 'lr.keep-unreachable-states' ]]) AT_DATA([[input.y]], @@ -1067,7 +1150,7 @@ AT_DATA([[input.y]], start: ; ]]) AT_BISON_CHECK([[input.y]], [[1]], [], -[[input.y:1.9-15: %define variable `foo_bar' is not used +[[input.y:1.9-15: %define variable 'foo_bar' is not used ]]) AT_CLEANUP @@ -1092,7 +1175,7 @@ start: ; ]]) AT_BISON_CHECK([[input.y]], [[1]], [], -[[input.y:1.9-16: %define variable `api.pure' is not used +[[input.y:1.9-16: %define variable 'api.pure' is not used ]]) ]) @@ -1172,14 +1255,14 @@ AT_DATA([empty.y], start: ''; start: ' ]]) -AT_CHECK([[perl -e "print 'start: \'';" >> empty.y || exit 77]]) +AT_CHECK([[$PERL -e "print 'start: \'';" >> empty.y || exit 77]]) AT_BISON_CHECK([empty.y], [1], [], [[empty.y:2.8-9: warning: empty character literal empty.y:3.8-4.0: warning: empty character literal -empty.y:3.8-4.0: missing `'' at end of line +empty.y:3.8-4.0: missing "'" at end of line empty.y:4.8: warning: empty character literal -empty.y:4.8: missing `'' at end of file +empty.y:4.8: missing "'" at end of file ]]) AT_DATA([two.y], @@ -1187,14 +1270,14 @@ AT_DATA([two.y], start: 'ab'; start: 'ab ]]) -AT_CHECK([[perl -e "print 'start: \'ab';" >> two.y || exit 77]]) +AT_CHECK([[$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: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 +two.y:4.8-10: missing "'" at end of file ]]) AT_DATA([three.y], @@ -1202,14 +1285,14 @@ AT_DATA([three.y], start: 'abc'; start: 'abc ]]) -AT_CHECK([[perl -e "print 'start: \'abc';" >> three.y || exit 77]]) +AT_CHECK([[$PERL -e "print 'start: \'abc';" >> three.y || exit 77]]) AT_BISON_CHECK([three.y], [1], [], [[three.y:2.8-12: warning: extra characters in character literal three.y:3.8-4.0: warning: extra characters in character literal -three.y:3.8-4.0: missing `'' at end of line +three.y:3.8-4.0: missing "'" at end of line three.y:4.8-11: warning: extra characters in character literal -three.y:4.8-11: missing `'' at end of file +three.y:4.8-11: missing "'" at end of file ]]) AT_CLEANUP @@ -1231,7 +1314,7 @@ start: '\777' '\0' '\xfff' '\x0' # Beside we cannot even expect "echo '\0'" to output two characters # (well three with \n): at least Bash 3.2 converts the two-character # sequence "\0" into a single NUL character. -AT_CHECK([[perl -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \ +AT_CHECK([[$PERL -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \ || exit 77]]) AT_BISON_CHECK([input.y], [1], [], @@ -1251,7 +1334,7 @@ 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:4.9-10: 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 @@ -1262,3 +1345,185 @@ 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 + + +## ------------------------------------------------------ ## +## %name-prefix and %define api.prefix are incompatible. ## +## ------------------------------------------------------ ## + +AT_SETUP([[%name-prefix and %define api.prefix are incompatible]]) + +# AT_TEST(DIRECTIVES, OPTIONS, ERROR-LOCATION) +# -------------------------------------------- +m4_pushdef([AT_TEST], +[AT_DATA([[input.y]], +[[$1 +%% +exp:; +]]) +AT_BISON_CHECK([[$2 input.y]], [[1]], [[]], +[[$3: '%name-prefix' and '%define api.prefix' cannot be used together +]]) +]) + +AT_TEST([%define api.prefix foo %name-prefix "bar"], [], [input.y:1.9-18]) +AT_TEST([], [-Dapi.prefix=foo -p bar], [:2]) +AT_TEST([%name-prefix "bar"], [-Dapi.prefix=foo], [:2]) +AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18]) + +m4_popdef([AT_TEST]) + +AT_CLEANUP + + +## -------------- ## +## Stray $ or @. ## +## -------------- ## + +AT_SETUP([[Stray $ or @]]) + +# Give %printer and %destructor "<*> exp TOK" instead of "<*>" to +# check that the warnings are reported once, not three times. + +AT_DATA_GRAMMAR([[input.y]], +[[%token TOK +%destructor { $%; @%; } <*> exp TOK; +%initial-action { $%; @%; }; +%printer { $%; @%; } <*> exp TOK; +%% +exp: TOK { $%; @%; $$ = $1; }; +]]) + +AT_BISON_CHECK([[input.y]], 0, [], +[[input.y:10.19: warning: stray '$' +input.y:10.23: warning: stray '@' +input.y:11.19: warning: stray '$' +input.y:11.23: warning: stray '@' +input.y:12.19: warning: stray '$' +input.y:12.23: warning: stray '@' +input.y:14.19: warning: stray '$' +input.y:14.23: warning: stray '@' +]]) + +AT_CLEANUP + + + +## ---------------- ## +## Code injection. ## +## ---------------- ## + + +AT_SETUP([[Code injection]]) + +m4_pattern_allow([^m4_errprintn$]) + +# AT_TEST([MACRO]) +# ---------------- +# Try to have MACRO be run by bison. +m4_pushdef([AT_TEST], +[AT_DATA([[input.y]], +[[%type <$1(DEAD %type)> exp +%token <$1(DEAD %token)> a +%initial-action +{ + $$; + $<$1(DEAD %initial-action)>$ +}; +%printer +{ + $$ + $<$1(DEAD %printer)>$ +} <> <*>; +%lex-param +{ + $1(DEAD %lex-param) +}; +%parse-param +{ + $1(DEAD %parse-param) +}; +%% +exp: + a a[last] + { + $$; + $][1; + $<$1(DEAD action 1)>$ + $<$1(DEAD action 2)>1 + $<$1(DEAD action 3)>last + $<$1(DEAD action 4)>0 + ; + }; +]]) + +# FIXME: Provide a means to iterate over all the skeletons. +AT_BISON_CHECK([[-d input.y]]) +AT_BISON_CHECK([[-d -S glr.c input.y]]) +AT_BISON_CHECK([[-d -S lalr1.cc input.y]]) +AT_BISON_CHECK([[-d -S glr.cc input.y]]) +AT_BISON_CHECK([[ -S lalr1.java input.y]]) +]) + +AT_TEST([m4_errprintn]) +AT_TEST([@:>@m4_errprintn]) + +m4_popdef([AT_TEST]) + +AT_CLEANUP