X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ac9b0e954b1d3aed514a3bbd363da1514202af0f..d4dcde2b75d38e8098c5df8d1b61479b389f2c12:/tests/input.at diff --git a/tests/input.at b/tests/input.at index 4d5d0bbc..cd0dd6ac 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 +20,63 @@ 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:1.1-2: error: invalid characters: '\0\001\002\377?' +input.y:3.1: error: invalid character: '?' +input.y:4.14: error: invalid character: '}' +input.y:5.1: error: invalid character: '%' +input.y:5.2: error: invalid character: '&' +input.y:6.1-17: error: invalid directive: '%a-does-not-exist' +input.y:7.1: error: invalid character: '%' +input.y:7.2: error: invalid character: '-' +input.y:8.1-9.0: error: missing '%}' at end of file +input.y:8.1-9.0: error: 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: error: syntax error, unexpected %initial-action, expecting {...} +]]) + +AT_CLEANUP + + + ## ------------ ## ## Invalid $n. ## ## ------------ ## @@ -33,8 +90,8 @@ exp: { @$ = @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: error: integer out of range: '$1' +input.y:3.13-14: error: integer out of range: '@1' ]]) AT_CLEANUP @@ -58,8 +115,8 @@ 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: error: $$ for the midrule at $2 of 'exp' has no declared type +input.y:5.24-25: error: $2 of 'exp' has no declared type input.y:5.6-32: warning: type clash on default action: != <> input.y:6.6-8: warning: type clash on default action: != <> input.y:7.5: warning: empty rule for typed nonterminal, and no action @@ -69,7 +126,7 @@ AT_CLEANUP # _AT_UNUSED_VALUES_DECLARATIONS() -# -------------------------------------------- +# -------------------------------- # Generate the token, type, and destructor # declarations for the unused values tests. @@ -182,53 +239,53 @@ AT_SETUP([Default %printer and %destructor redeclared]) AT_DATA([[input.y]], [[%destructor { destroy ($$); } <*> <*> -%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: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: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: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: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: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:1.13-29: error: redeclaration for default tagged %destructor +input.y:1.13-29: previous declaration +input.y:2.10-24: error: redeclaration for default tagged %printer +input.y:2.10-24: previous declaration +input.y:4.13-29: error: redeclaration for default tagged %destructor +input.y:1.13-29: previous declaration +input.y:5.10-24: error: redeclaration for default tagged %printer +input.y:2.10-24: previous declaration +input.y:7.13-29: error: redeclaration for default tagless %destructor +input.y:7.13-29: previous declaration +input.y:8.10-24: error: redeclaration for default tagless %printer +input.y:8.10-24: previous declaration +input.y:10.13-29: error: redeclaration for default tagless %destructor +input.y:7.13-29: previous declaration +input.y:11.10-24: error: redeclaration for default tagless %printer +input.y:8.10-24: previous declaration +input.y:17.13-29: error: redeclaration for default tagged %destructor +input.y:4.13-29: previous declaration +input.y:18.10-24: error: redeclaration for default tagged %printer +input.y:5.10-24: previous declaration +input.y:20.13-29: error: redeclaration for default tagless %destructor +input.y:10.13-29: previous declaration +input.y:21.10-24: error: redeclaration for default tagless %printer +input.y:11.10-24: previous declaration ]]) AT_CLEANUP @@ -242,36 +299,36 @@ 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], [], -[[input.y:4.13-29: %destructor redeclaration for -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: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:4.13-29: error: %destructor redeclaration for +input.y:1.13-29: previous declaration +input.y:4.13-29: error: %destructor redeclaration for +input.y:4.13-29: previous declaration +input.y:5.10-24: error: %printer redeclaration for +input.y:2.10-24: previous declaration +input.y:5.10-24: error: %printer redeclaration for +input.y:5.10-24: previous declaration +input.y:11.13-29: error: %destructor redeclaration for +input.y:4.13-29: previous declaration +input.y:11.13-29: error: %destructor redeclaration for +input.y:1.13-29: previous declaration +input.y:12.10-24: error: %printer redeclaration for +input.y:2.10-24: previous declaration +input.y:12.10-24: error: %printer redeclaration for +input.y:5.10-24: previous declaration ]]) AT_CLEANUP @@ -368,14 +425,14 @@ exp: foo; ]]) AT_BISON_CHECK([input.y], [1], [], -[[input.y:8.7-11: %type redeclaration for foo -input.y:3.7-11: previous declaration -input.y:10.13-17: %destructor redeclaration for foo -input.y:5.13-17: previous declaration -input.y:9.10-14: %printer redeclaration for foo -input.y:4.10-14: previous declaration -input.y:11.1-5: %left redeclaration for foo -input.y:6.1-5: previous declaration +[[input.y:8.7-11: error: %type redeclaration for foo +input.y:3.7-11: previous declaration +input.y:10.13-17: error: %destructor redeclaration for foo +input.y:5.13-17: previous declaration +input.y:9.10-14: error: %printer redeclaration for foo +input.y:4.10-14: previous declaration +input.y:11.1-5: error: %left redeclaration for foo +input.y:6.1-5: previous declaration ]]) AT_CLEANUP @@ -391,10 +448,10 @@ 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 +[[input.y:1.1: error: syntax error, unexpected end of file ]]) @@ -402,7 +459,7 @@ AT_DATA([input.y], [{} ]) AT_BISON_CHECK([input.y], [1], [], -[[input.y:1.1-2: syntax error, unexpected {...} +[[input.y:1.1-2: error: syntax error, unexpected {...} ]]) @@ -442,6 +499,7 @@ char apostrophe = '\''; #include #include +#include %} /* %{ and %} can be here too. */ @@ -468,8 +526,8 @@ char quote[] = "@:>@@:>@,"; %} %{ -static void yyerror (const char *s); -static int yylex (void); +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ %} %type '@<:@' @@ -501,7 +559,7 @@ value_as_yystype (value val) res.ival = val; return res; } - +]AT_YYERROR_DEFINE[ static int yylex (void) { @@ -509,20 +567,13 @@ 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 +587,11 @@ 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 +673,15 @@ 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 +690,10 @@ 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 +711,23 @@ 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: error: invalid character: '-' +input.y:11.10-16: error: invalid identifier: '1NV4L1D' +input.y:12.10: error: invalid character: '-' ]]) AT_CLEANUP @@ -680,33 +739,23 @@ AT_CLEANUP AT_SETUP([Numbered tokens]) -AT_DATA_GRAMMAR([1.y], -[[%token DECIMAL 11259375 - HEXADECIMAL 0xabcdef -%% -start: DECIMAL; -]]) - -AT_BISON_CHECK([1.y], [1], [], -[[1.y:10.10-20: user token number 11259375 redeclaration for HEXADECIMAL -1.y:9.8-14: previous declaration for DECIMAL -]]) - - -AT_DATA_GRAMMAR([2.y], -[[%token HEXADECIMAL 0xabcdef - DECIMAL 11259375 +AT_DATA_GRAMMAR([redecl.y], +[[%token DECIMAL_1 11259375 + HEXADECIMAL_1 0xabcdef + HEXADECIMAL_2 0xFEDCBA + DECIMAL_2 16702650 %% -start: HEXADECIMAL; +start: DECIMAL_1 HEXADECIMAL_2; ]]) -AT_BISON_CHECK([2.y], [1], [], -[[2.y:10.10-16: user token number 11259375 redeclaration for DECIMAL -2.y:9.8-18: previous declaration for HEXADECIMAL +AT_BISON_CHECK([redecl.y], [1], [], +[[redecl.y:10.10-22: error: user token number 11259375 redeclaration for HEXADECIMAL_1 +redecl.y:9.8-16: previous declaration for DECIMAL_1 +redecl.y:12.10-18: error: user token number 16702650 redeclaration for DECIMAL_2 +redecl.y:11.10-22: previous declaration for HEXADECIMAL_2 ]]) - -AT_DATA_GRAMMAR([3.y], +AT_DATA_GRAMMAR([too-large.y], [[%token TOO_LARGE_DEC 999999999999999999999 TOO_LARGE_HEX 0xFFFFFFFFFFFFFFFFFFF %% @@ -714,9 +763,9 @@ start: TOO_LARGE_DEC TOO_LARGE_HEX %% ]]) -AT_BISON_CHECK([3.y], [1], [], -[[3.y:9.22-42: integer out of range: `999999999999999999999' -3.y:10.24-44: integer out of range: `0xFFFFFFFFFFFFFFFFFFF' +AT_BISON_CHECK([too-large.y], [1], [], +[[too-large.y:9.22-42: error: integer out of range: '999999999999999999999' +too-large.y:10.24-44: error: integer out of range: '0xFFFFFFFFFFFFFFFFFFF' ]]) AT_CLEANUP @@ -756,12 +805,31 @@ 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:20.1: syntax error, unexpected end of file +[[input.y:1.10-2.0: error: missing '"' at end of line +input.y:4.10-5.0: error: missing "'" at end of line +input.y:14.11-15.0: error: missing "'" at end of line +input.y:16.11-17.0: error: missing '"' at end of line +input.y:19.13-20.0: error: missing '}' at end of file +input.y:20.1: error: syntax error, unexpected end of file +]]) + +AT_BISON_CHECK([-fcaret -o input.c input.y], 1, [], +[[input.y:1.10-2.0: error: missing '"' at end of line + %token A "a + ^^ +input.y:4.10-5.0: error: missing "'" at end of line + %token C '1 + ^^ +input.y:14.11-15.0: error: missing "'" at end of line + %type 'a + ^^ +input.y:16.11-17.0: error: missing '"' at end of line + %type "a + ^^ +input.y:19.13-20.0: error: missing '}' at end of file + %destructor { free ($$) + ^^^^^^^^^^^ +input.y:20.1: error: syntax error, unexpected end of file ]]) AT_CLEANUP @@ -803,7 +871,27 @@ PREC: ; ]]) AT_BISON_CHECK([input.y], [1], [], -[[input.y:3.1-4: rule given for PREC, which is a token +[[input.y:3.1-4: error: rule given for PREC, which is a token +]]) + +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 @@ -823,11 +911,11 @@ 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: error: %code qualifier 'q' is not used +input-c.y:2.7-9: error: %code qualifier 'bad' is not used +input-c.y:3.7-9: error: %code qualifier 'bad' is not used +input-c.y:4.7-12: error: %code qualifier 'format' is not used ]]) AT_DATA([input-c-glr.y], @@ -837,10 +925,10 @@ 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: error: %code qualifier 'q' is not used +input-c-glr.y:2.7-9: error: %code qualifier 'bad' is not used +input-c-glr.y:3.8-10: error: %code qualifier 'bad' is not used ]]) AT_DATA([input-c++.y], @@ -850,10 +938,10 @@ 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: error: %code qualifier 'q' is not used +input-c++.y:2.7-9: error: %code qualifier 'bad' is not used +input-c++.y:3.8: error: %code qualifier 'q' is not used ]]) AT_DATA([input-c++-glr.y], @@ -863,10 +951,10 @@ 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: error: %code qualifier 'bad' is not used +input-c++-glr.y:2.7: error: %code qualifier 'q' is not used +input-c++-glr.y:3.7: error: %code qualifier 'q' is not used ]]) AT_DATA([special-char-@@.y], @@ -876,10 +964,10 @@ 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: error: %code qualifier 'bad' is not used +special-char-@@.y:2.7: error: %code qualifier 'q' is not used +special-char-@@.y:3.7: error: %code qualifier 'q' is not used ]]) AT_DATA([special-char-@:>@.y], @@ -889,10 +977,10 @@ 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: error: %code qualifier 'bad' is not used +special-char-@:>@.y:2.7: error: %code qualifier 'q' is not used +special-char-@:>@.y:3.7: error: %code qualifier 'q' is not used ]]) AT_CLEANUP @@ -915,10 +1003,10 @@ start: ; ]]) 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 +[[input-redefined.y:2.9-11: error: %define variable 'var' redefined +input-redefined.y:1.9-11: previous definition +input-redefined.y:3.10-12: error: %define variable 'var' redefined +input-redefined.y:2.9-11: previous definition ]]) AT_DATA([input-unused.y], @@ -927,8 +1015,8 @@ AT_DATA([input-unused.y], start: ; ]]) -AT_BISON_CHECK([[input-unused.y]], [[0]], [], -[[input-unused.y:1.9-11: warning: %define variable `var' is not used +AT_BISON_CHECK([[input-unused.y]], [[1]], [], +[[input-unused.y:1.9-11: error: %define variable 'var' is not used ]]) AT_CLEANUP @@ -938,9 +1026,9 @@ AT_CLEANUP ## %define, --define, --force-define. ## ## ----------------------------------- ## -AT_SETUP([%define, --define, --force-define]) +AT_SETUP([[%define, --define, --force-define]]) -AT_DATA([skel.c], +AT_DATA([[skel.c]], [[m4@&t@_divert_push(0)@ @output(b4_parser_file_name@)@ [var-dd: ]b4_percent_define_get([[var-dd]])[ @@ -949,23 +1037,16 @@ 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], +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 \ - -Dunused-d -Funused-f \ - --skeleton ./skel.c input.y]], [[0]], [], -[[:10: warning: %define variable `unused-d' is not used -:11: warning: %define variable `unused-f' is not used -]]) - + --skeleton ./skel.c input.y]]) AT_CHECK([[cat input.tab.c]], [[0]], [[var-dd: cmd-d2 var-ff: cmd-f2 @@ -973,15 +1054,35 @@ var-dfg: cmd-f var-fd: cmd-d ]]) -AT_DATA([input-dg.y], +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 +[[input-dg.y:1.9-11: error: %define variable 'var' redefined +:1: previous definition +]]) + +AT_DATA([[input-dg.y]], +[[%define var "gram" +%% +start: ; +]]) +AT_BISON_CHECK([[-fcaret -Dvar=cmd-d input-dg.y]], [[1]], [], +[[input-dg.y:1.9-11: error: %define variable 'var' redefined + %define var "gram" + ^^^ +:2: previous definition +]]) + +AT_DATA([[input-unused.y]], +[[%% +start: ; +]]) +AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [], +[[:1: error: %define variable 'unused-d' is not used +:2: error: %define variable 'unused-f' is not used ]]) AT_CLEANUP @@ -1001,7 +1102,7 @@ start: ; ]]) AT_BISON_CHECK([[Input.y]], [1], [], -[[Input.y:2.9-14: invalid value for %define Boolean variable `public' +[[Input.y:2.9-14: error: invalid value for %define Boolean variable 'public' ]]) AT_CLEANUP @@ -1014,28 +1115,29 @@ AT_SETUP([[%define enum variables]]) # Front-end. AT_DATA([[input.y]], -[[%define lr.default-reductions "bogus" +[[%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: `all' -input.y:1.9-29: accepted value: `consistent' -input.y:1.9-29: accepted value: `accepting' +[[input.y:1.9-29: error: 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. +# FIXME: these should be indented, but we shouldn't mess with the m4 yet AT_DATA([[input.y]], -[[%define api.push-pull "neither" +[[%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' +[[input.y:1.9-21: error: invalid value for %define variable 'api.push-pull': 'neither' +input.y:1.9-21: error: accepted value: 'pull' +input.y:1.9-21: error: accepted value: 'push' +input.y:1.9-21: error: accepted value: 'both' ]]) AT_CLEANUP @@ -1055,19 +1157,19 @@ 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: error: invalid value for %define variable 'api.push-pull': 'neither' +input.y:1.9-21: error: accepted value: 'pull' +input.y:1.9-21: error: accepted value: 'push' +input.y:1.9-21: error: accepted value: 'both' ]]) AT_DATA([[input.y]], -[[%define lr.keep_unreachable_states "maybe" +[[%define lr.keep_unreachable_states maybe %% 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: error: invalid value for %define Boolean variable 'lr.keep-unreachable-states' ]]) AT_DATA([[input.y]], @@ -1075,8 +1177,8 @@ AT_DATA([[input.y]], %% start: ; ]]) -AT_BISON_CHECK([[input.y]], [0], [], -[[input.y:1.9-15: warning: %define variable `foo_bar' is not used +AT_BISON_CHECK([[input.y]], [[1]], [], +[[input.y:1.9-15: error: %define variable 'foo_bar' is not used ]]) AT_CLEANUP @@ -1100,17 +1202,17 @@ 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: error: %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 @@ -1135,7 +1237,7 @@ start: ; AT_BISON_CHECK([[input.y]], [1], [], [m4_foreach([b4_arg], m4_dquote(m4_shift($@)), -[[input.y:3.9-17: ]b4_arg[ +[[input.y:3.9-17: error: ]b4_arg[ ]])]) ]) @@ -1170,10 +1272,8 @@ AT_CLEANUP # Bison used to accept character literals that were empty or contained # too many characters. -# FIXME: $ECHO_N and $ECHO_C are not very portable according to the -# Autoconf manual. Switch to AS_ECHO_N when Autoconf 2.64 is released? -# Even better, AT_DATA or some variant of AT_DATA may eventually permit -# a trailing newline. See the threads starting at +# 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]]) @@ -1183,14 +1283,14 @@ AT_DATA([empty.y], start: ''; start: ' ]]) -echo $ECHO_N "start: '$ECHO_C" >> empty.y +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: error: 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: error: missing "'" at end of file ]]) AT_DATA([two.y], @@ -1198,14 +1298,14 @@ AT_DATA([two.y], start: 'ab'; start: 'ab ]]) -echo $ECHO_N "start: 'ab$ECHO_C" >> two.y +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: error: 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: error: missing "'" at end of file ]]) AT_DATA([three.y], @@ -1213,14 +1313,245 @@ AT_DATA([three.y], start: 'abc'; start: 'abc ]]) -echo $ECHO_N "start: 'abc$ECHO_C" >> three.y +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: error: 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: error: 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: error: invalid number after \-escape: 777 +input.y:2.8-13: warning: empty character literal +input.y:2.16-17: error: invalid number after \-escape: 0 +input.y:2.15-18: warning: empty character literal +input.y:2.21-25: error: invalid number after \-escape: xfff +input.y:2.20-26: warning: empty character literal +input.y:2.29-31: error: invalid number after \-escape: x0 +input.y:2.28-32: warning: empty character literal +input.y:3.9-14: error: invalid number after \-escape: uffff +input.y:3.8-15: warning: empty character literal +input.y:3.18-23: error: invalid number after \-escape: u0000 +input.y:3.17-24: warning: empty character literal +input.y:3.27-36: error: invalid number after \-escape: Uffffffff +input.y:3.26-37: warning: empty character literal +input.y:3.40-49: error: invalid number after \-escape: U00000000 +input.y:3.39-50: warning: empty character literal +input.y:4.9-10: error: invalid character after \-escape: ' ' +input.y:4.8-11: warning: empty character literal +input.y:4.14-15: error: invalid character after \-escape: A +input.y:4.13-16: warning: empty character literal +input.y:5.9-16: error: invalid character after \-escape: \t +input.y:5.17: error: invalid character after \-escape: \f +input.y:5.18: error: invalid character after \-escape: \0 +input.y:5.19: error: 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]], [], +[[:1: error: %define variable 'parse.lac.es-capacity-initial' is not used +]]) +AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]], + [[1]], [], +[[:1: error: %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: error: '%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], [:1]) +AT_TEST([%name-prefix "bar"], [-Dapi.prefix=foo], [:1]) +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