X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/519d000408fc583144fb9c7a18d3718cefaf0de7..d1cc31c5f04b81a3620fa291020ce23490f3f9e7:/tests/input.at diff --git a/tests/input.at b/tests/input.at index adc38d72..36a6d408 100644 --- a/tests/input.at +++ b/tests/input.at @@ -1,20 +1,19 @@ # Checking the Bison scanner. -*- Autotest -*- -# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +# Free Software Foundation, Inc. -# This program is free software; you can redistribute it and/or modify +# 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 -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. - +# # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program. If not, see . AT_BANNER([[Input Processing.]]) @@ -25,7 +24,7 @@ AT_BANNER([[Input Processing.]]) ## Invalid $n. ## ## ------------ ## -AT_SETUP([Invalid \$n and @n]) +AT_SETUP([Invalid $n and @n]) AT_DATA([input.y], [[%% @@ -33,7 +32,7 @@ exp: { $$ = $1 ; }; exp: { @$ = @1 ; }; ]]) -AT_CHECK([bison input.y], [1], [], +AT_BISON_CHECK([input.y], [1], [], [[input.y:2.13-14: integer out of range: `$1' input.y:3.13-14: integer out of range: `@1' ]]) @@ -58,7 +57,7 @@ exp: foo { $$; } foo { $2; } foo ; ]]) -AT_CHECK([bison input.y], [1], [], +AT_BISON_CHECK([input.y], [1], [], [[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type input.y:5.24-25: $2 of `exp' has no declared type input.y:5.6-32: warning: type clash on default action: != <> @@ -70,24 +69,21 @@ AT_CLEANUP # _AT_UNUSED_VALUES_DECLARATIONS() -# -------------------------------------------- +# -------------------------------- # Generate the token, type, and destructor # declarations for the unused values tests. - m4_define([_AT_UNUSED_VALUES_DECLARATIONS], [[[%token INT; %type a b c d e f g h i j k l; %destructor { destroy ($$); } INT a b c d e f g h i j k l;]]]) -# AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER) -# -------------------------------------------- -# Generate a grammar to test unused values, -# compile it, run it. If DECLARATIONS_AFTER -# is set, then the token, type, and destructor -# declarations are generated after the rules -# rather than before. - +# AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES) +# ---------------------------------------------------------------- +# Generate a grammar to test unused values, compile it, run it. If +# DECLARATIONS_AFTER is set, then the token, type, and destructor +# declarations are generated after the rules rather than before. If +# CHECK_MIDRULE_VALUES is set, then --warnings=midrule-values is set. m4_define([AT_CHECK_UNUSED_VALUES], [AT_DATA([input.y], m4_ifval($1, [ @@ -96,16 +92,16 @@ m4_ifval($1, [ ], [_AT_UNUSED_VALUES_DECLARATIONS ])[[%% start: - 'a' a { $]2[ } | 'b' b { $]2[ } | 'c' c { $]2[ } | 'd' d { $]2[ } | 'e' e { $]2[ } -| 'f' f { $]2[ } | 'g' g { $]2[ } | 'h' h { $]2[ } | 'i' i { $]2[ } | 'j' j { $]2[ } -| 'k' k { $]2[ } | 'l' l { $]2[ } + 'a' a { $]2[; } | 'b' b { $]2[; } | 'c' c { $]2[; } | 'd' d { $]2[; } +| 'e' e { $]2[; } | 'f' f { $]2[; } | 'g' g { $]2[; } | 'h' h { $]2[; } +| 'i' i { $]2[; } | 'j' j { $]2[; } | 'k' k { $]2[; } | 'l' l { $]2[; } ; a: INT | INT { } INT { } INT { }; b: INT | /* empty */; -c: INT | INT { $]1[ } INT { $2 } INT { $4 }; -d: INT | INT { } INT { $]1[ } INT { $2 }; -e: INT | INT { } INT { } INT { $]1[ }; +c: INT | INT { $]1[; } INT { $2; } INT { $4; }; +d: INT | INT { } INT { $]1[; } INT { $2; }; +e: INT | INT { } INT { } INT { $]1[; }; f: INT | INT { } INT { } INT { $]$[ = $]1[ + $]3[ + $]5[; }; g: INT | INT { $$; } INT { $$; } INT { }; h: INT | INT { $$; } INT { $$ = $2; } INT { }; @@ -116,41 +112,41 @@ l: INT | INT { $$ = $1; } INT { $$ = $2 + $< _AT_UNUSED_VALUES_DECLARATIONS]) ) -AT_CHECK([bison input.y], [0], [], +AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [], [[input.y:11.10-32: warning: unset value: $]$[ input.y:11.10-32: warning: unused value: $]1[ input.y:11.10-32: warning: unused value: $]3[ input.y:11.10-32: warning: unused value: $]5[ input.y:12.9: warning: empty rule for typed nonterminal, and no action -input.y:13.14-19: warning: unset value: $$ -input.y:13.25-39: warning: unset value: $$ -input.y:13.10-59: warning: unset value: $]$[ -input.y:13.10-59: warning: unused value: $]3[ -input.y:13.10-59: warning: unused value: $]5[ -input.y:14.14-16: warning: unset value: $$ -input.y:14.10-47: warning: unset value: $]$[ -input.y:14.10-47: warning: unused value: $]3[ -input.y:14.10-47: warning: unused value: $]5[ -input.y:15.10-36: warning: unset value: $]$[ -input.y:15.10-36: warning: unused value: $]3[ -input.y:15.10-36: warning: unused value: $]5[ +]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $$ +input.y:13.26-41: warning: unset value: $$ +]]])[[input.y:13.10-62: warning: unset value: $]$[ +input.y:13.10-62: warning: unused value: $]3[ +input.y:13.10-62: warning: unused value: $]5[ +]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $$ +]]])[[input.y:14.10-49: warning: unset value: $]$[ +input.y:14.10-49: warning: unused value: $]3[ +input.y:14.10-49: warning: unused value: $]5[ +input.y:15.10-37: warning: unset value: $]$[ +input.y:15.10-37: warning: unused value: $]3[ +input.y:15.10-37: warning: unused value: $]5[ input.y:17.10-58: warning: unset value: $]$[ input.y:17.10-58: warning: unused value: $]1[ -input.y:17.10-58: warning: unused value: $]2[ -input.y:17.10-58: warning: unused value: $]3[ -input.y:17.10-58: warning: unused value: $]4[ -input.y:17.10-58: warning: unused value: $]5[ +]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]2[ +]]])[[input.y:17.10-58: warning: unused value: $]3[ +]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]4[ +]]])[[input.y:17.10-58: warning: unused value: $]5[ input.y:18.10-72: warning: unset value: $]$[ input.y:18.10-72: warning: unused value: $]1[ input.y:18.10-72: warning: unused value: $]3[ -input.y:18.10-72: warning: unused value: $]4[ -input.y:18.10-72: warning: unused value: $]5[ -input.y:20.10-55: warning: unused value: $]3[ -input.y:21.10-68: warning: unset value: $]$[ +]]m4_ifval($2, [[[input.y:18.10-72: warning: unused value: $]4[ +]]])[[input.y:18.10-72: warning: unused value: $]5[ +]]m4_ifval($2, [[[input.y:20.10-55: warning: unused value: $]3[ +]]])[[input.y:21.10-68: warning: unset value: $]$[ input.y:21.10-68: warning: unused value: $]1[ input.y:21.10-68: warning: unused value: $]2[ -input.y:21.10-68: warning: unused value: $]4[ -]])]) +]]m4_ifval($2, [[[input.y:21.10-68: warning: unused value: $]4[ +]]]))]) ## --------------- ## @@ -159,6 +155,7 @@ input.y:21.10-68: warning: unused value: $]4[ AT_SETUP([Unused values]) AT_CHECK_UNUSED_VALUES +AT_CHECK_UNUSED_VALUES(, [1]) AT_CLEANUP @@ -168,6 +165,7 @@ AT_CLEANUP AT_SETUP([Unused values before symbol declarations]) AT_CHECK_UNUSED_VALUES([1]) +AT_CHECK_UNUSED_VALUES([1], [1]) AT_CLEANUP @@ -178,33 +176,54 @@ AT_CLEANUP AT_SETUP([Default %printer and %destructor redeclared]) AT_DATA([[input.y]], -[[%destructor { destroy ($$); } %symbol-default %symbol-default -%printer { destroy ($$); } %symbol-default %symbol-default +[[%destructor { destroy ($$); } <*> <*> +%printer { destroy ($$); } <*> <*> -%destructor { destroy ($$); } %symbol-default -%printer { destroy ($$); } %symbol-default +%destructor { destroy ($$); } <*> +%printer { destroy ($$); } <*> + +%destructor { destroy ($$); } <> <> +%printer { destroy ($$); } <> <> + +%destructor { destroy ($$); } <> +%printer { destroy ($$); } <> %% start: ; -%destructor { destroy ($$); } %symbol-default; -%printer { destroy ($$); } %symbol-default; +%destructor { destroy ($$); } <*>; +%printer { destroy ($$); } <*>; + +%destructor { destroy ($$); } <>; +%printer { destroy ($$); } <>; ]]) -AT_CHECK([bison input.y], [1], [], -[[input.y:1.13-29: redeclaration for default %destructor +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 %printer +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 %destructor +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 %printer +input.y:5.10-26: redeclaration for default tagged %printer input.y:2.10-26: previous declaration -input.y:11.13-29: redeclaration for default %destructor +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:12.10-26: redeclaration for default %printer +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 ]]) AT_CLEANUP @@ -231,7 +250,7 @@ start: ; %printer { destroy ($$); } ; ]]) -AT_CHECK([bison input.y], [1], [], +AT_BISON_CHECK([input.y], [1], [], [[input.y:4.13-29: %destructor redeclaration for input.y:1.13-29: previous declaration input.y:4.13-29: %destructor redeclaration for @@ -260,18 +279,36 @@ AT_CLEANUP AT_SETUP([Unused values with default %destructor]) AT_DATA([[input.y]], -[[%destructor { destroy ($$); } %symbol-default +[[%destructor { destroy ($$); } <> +%type tagged %% -start: end end { $1; } ; -end: { } ; +start: end end tagged tagged { $1; $3; } ; +end: { } ; +tagged: { } ; +]]) + +AT_BISON_CHECK([input.y], [0], [], +[[input.y:6.8-45: warning: unset value: $$ +input.y:6.8-45: warning: unused value: $2 +input.y:7.6-8: warning: unset value: $$ ]]) -AT_CHECK([bison input.y], [0], [], -[[input.y:5.8-22: warning: unset value: $$ -input.y:5.8-22: warning: unused value: $2 -input.y:6.6-8: warning: unset value: $$ +AT_DATA([[input.y]], +[[%destructor { destroy ($$); } <*> +%type tagged + +%% + +start: end end tagged tagged { $1; $3; } ; +end: { } ; +tagged: { } ; +]]) + +AT_BISON_CHECK([input.y], [0], [], +[[input.y:6.8-45: warning: unused value: $4 +input.y:8.9-11: warning: unset value: $$ ]]) AT_CLEANUP @@ -293,7 +330,7 @@ start: end end { $1; } ; end: { } ; ]]) -AT_CHECK([bison input.y], [0], [], +AT_BISON_CHECK([input.y], [0], [], [[input.y:6.8-22: warning: unset value: $$ input.y:6.8-22: warning: unused value: $2 input.y:7.6-8: warning: unset value: $$ @@ -325,7 +362,7 @@ AT_DATA([input.y], exp: foo; ]]) -AT_CHECK([bison input.y], [1], [], +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 @@ -351,7 +388,7 @@ AT_SETUP([Torturing the Scanner]) AT_DATA([input.y], []) -AT_CHECK([bison input.y], [1], [], +AT_BISON_CHECK([input.y], [1], [], [[input.y:1.1: syntax error, unexpected end of file ]]) @@ -359,7 +396,7 @@ AT_CHECK([bison input.y], [1], [], AT_DATA([input.y], [{} ]) -AT_CHECK([bison input.y], [1], [], +AT_BISON_CHECK([input.y], [1], [], [[input.y:1.1-2: syntax error, unexpected {...} ]]) @@ -495,7 +532,7 @@ main (void) } ]]) -AT_CHECK([bison -d -v -o input.c input.y]) +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], [input.o main.o]) @@ -526,7 +563,7 @@ exp: "MY TOKEN"; %% ]]) -AT_CHECK([bison -o input.c input.y]) +AT_BISON_CHECK([-o input.c input.y]) AT_CLEANUP @@ -542,7 +579,7 @@ AT_DATA_GRAMMAR([input.y], %% empty_file:; ]]) -AT_CHECK([bison -o input.c input.y], $2, [], ignore) +AT_BISON_CHECK([-o input.c input.y], $2, [], ignore) AT_CLEANUP ]) @@ -558,8 +595,8 @@ AT_CHECK_REQUIRE(100.0, 63) AT_SETUP([String aliases for character tokens]) -# Bison once thought a character token and its alias were different symbols -# with the same user token number. +# Bison once thought a character token and its alias were different +# symbols with the same user token number. AT_DATA_GRAMMAR([input.y], [[%token 'a' "a" @@ -568,7 +605,104 @@ start: 'a'; %% ]]) -AT_CHECK([bison -o input.c input.y]) +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 and dashes are genuine letters, they can start identifiers. +# Digits cannot. +AT_DATA_GRAMMAR([input.y], +[[%token .GOOD + -GOOD + 1NV4L1D +%% +start: .GOOD -GOOD +]]) +AT_BISON_CHECK([-o input.c input.y], [1], [], +[[input.y:11.10-16: invalid identifier: `1NV4L1D' +]]) + +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 @@ -579,10 +713,10 @@ AT_CLEANUP AT_SETUP([Unclosed constructs]) -# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed constructs, so -# they were prepended to whatever it STRING_GROW'ed next. It also threw them -# away rather than returning them to the parser. The effect was confusing -# subsequent error messages. +# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed +# constructs, so they were prepended to whatever it STRING_GROW'ed +# next. It also threw them away rather than returning them to the +# parser. The effect was confusing subsequent error messages. AT_DATA([input.y], [[%token A "a @@ -606,7 +740,7 @@ start: ; %destructor { free ($$) ]]) -AT_CHECK([bison -o input.c input.y], 1, [], +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 @@ -624,8 +758,8 @@ AT_CLEANUP AT_SETUP([%start after first rule]) -# Bison once complained that a %start after the first rule was a redeclaration -# of the start symbol. +# Bison once complained that a %start after the first rule was a +# redeclaration of the start symbol. AT_DATA([input.y], [[%% @@ -634,6 +768,505 @@ start: false_start ; %start start; ]]) -AT_CHECK([bison -o input.c input.y]) +AT_BISON_CHECK([-o input.c input.y]) + +AT_CLEANUP + + +## --------------------- ## +## %prec takes a token. ## +## --------------------- ## + +AT_SETUP([%prec takes a token]) + +# Bison once allowed %prec sym where sym was a nonterminal. + +AT_DATA([input.y], +[[%% +start: PREC %prec PREC ; +PREC: ; +]]) + +AT_BISON_CHECK([input.y], [1], [], +[[input.y:3.1-4: rule given for PREC, which is a token +]]) + +AT_CLEANUP + + +## -------------------------------- ## +## Reject unused %code qualifiers. ## +## -------------------------------- ## + +AT_SETUP([Reject unused %code qualifiers]) + +AT_DATA([input-c.y], +[[%code q {} +%code bad {} +%code bad {} +%code format {} +%% +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_DATA([input-c-glr.y], +[[%code q {} +%code bad {} + %code bad {} +%% +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_DATA([input-c++.y], +[[%code q {} +%code bad {} + %code q {} +%% +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_DATA([input-c++-glr.y], +[[%code bad {} +%code q {} +%code q {} +%% +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_DATA([special-char-@@.y], +[[%code bad {} +%code q {} +%code q {} +%% +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_DATA([special-char-@:>@.y], +[[%code bad {} +%code q {} +%code q {} +%% +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_CLEANUP + + +## ---------------- ## +## %define errors. ## +## ---------------- ## + +AT_SETUP([%define errors]) + +AT_DATA([input-redefined.y], +[[%define var "value1" +%define var "value1" + %define var "value2" +%define special1 "@:>@" +%define special2 "@<:@" +%% +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 +]]) + +AT_DATA([input-unused.y], +[[%define var "value" +%% +start: ; +]]) + +AT_BISON_CHECK([[input-unused.y]], [[0]], [], +[[input-unused.y:1.9-11: warning: %define variable `var' is not used +]]) + +AT_CLEANUP + + +## ----------------------------------- ## +## %define, --define, --force-define. ## +## ----------------------------------- ## + +AT_SETUP([%define, --define, --force-define]) + +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 \ + -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 +]]) + +AT_CHECK([[cat input.tab.c]], [[0]], +[[var-dd: cmd-d2 +var-ff: cmd-f2 +var-dfg: cmd-f +var-fd: cmd-d +]]) + +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_CLEANUP + +## --------------------------- ## +## %define Boolean variables. ## +## --------------------------- ## + +AT_SETUP([[%define Boolean variables]]) + +AT_DATA([Input.y], +[[%language "Java" +%define public "maybe" +%define parser_class_name "Input" +%% +start: ; +]]) + +AT_BISON_CHECK([[Input.y]], [1], [], +[[Input.y:2.9-14: invalid value for %define Boolean variable `public' +]]) + +AT_CLEANUP + +## ------------------------ ## +## %define enum variables. ## +## ------------------------ ## + +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: `all' +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:1.9-34: invalid value for %define Boolean variable `lr.keep-unreachable-states' +]]) + +AT_DATA([[input.y]], +[[%define namespace "foo" +%define api.namespace "foo" +%% +start: ; +]]) +AT_BISON_CHECK([[input.y]], [1], [], +[[input.y:2.9-21: %define variable `api.namespace' redefined +input.y:1.9-17: previous definition +]]) + +AT_DATA([[input.y]], +[[%define foo_bar "baz" +%% +start: ; +]]) +AT_BISON_CHECK([[input.y]], [0], [], +[[input.y:1.9-15: warning: %define variable `foo_bar' is not used +]]) + +AT_CLEANUP + +## ------------------------- ## +## Unused %define api.pure. ## +## ------------------------- ## + +AT_SETUP([[Unused %define api.pure]]) + +# AT_CHECK_API_PURE(DECLS, VALUE) +# ------------------------------- +# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS +# are specified. +m4_define([AT_CHECK_API_PURE], +[ +AT_DATA([[input.y]], +[[%define api.pure ]$2[ +]$1[ +%% +start: ; +]]) + +AT_BISON_CHECK([[input.y]], [0], [], +[[input.y:1.9-16: warning: %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 %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_CLEANUP + +## -------------------------------- ## +## C++ namespace reference errors. ## +## -------------------------------- ## + +AT_SETUP([[C++ namespace reference errors]]) + +# AT_CHECK_NAMESPACE_ERROR(NAMESPACE-DECL, ERROR, [ERROR], ...) +# ------------------------------------------------------------- +# Make sure Bison reports all ERROR's for %define namespace "NAMESPACE-DECL". +m4_define([AT_CHECK_NAMESPACE_ERROR], +[ +AT_DATA([[input.y]], +[[%language "C++" +%defines +%define api.namespace "]$1[" +%% +start: ; +]]) + +AT_BISON_CHECK([[input.y]], [1], [], +[m4_foreach([b4_arg], m4_dquote(m4_shift($@)), +[[input.y:3.9-21: ]b4_arg[ +]])]) +]) + +AT_CHECK_NAMESPACE_ERROR([[]], + [[namespace reference is empty]]) +AT_CHECK_NAMESPACE_ERROR([[ ]], + [[namespace reference is empty]]) +AT_CHECK_NAMESPACE_ERROR([[foo::::bar]], + [[namespace reference has consecutive "::"]]) +AT_CHECK_NAMESPACE_ERROR([[foo:: ::bar]], + [[namespace reference has consecutive "::"]]) +AT_CHECK_NAMESPACE_ERROR([[::::bar]], + [[namespace reference has consecutive "::"]]) +AT_CHECK_NAMESPACE_ERROR([[:: ::bar]], + [[namespace reference has consecutive "::"]]) +AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ::]], + [[namespace reference has consecutive "::"]], + [[namespace reference has a trailing "::"]]) +AT_CHECK_NAMESPACE_ERROR([[foo::bar::]], + [[namespace reference has a trailing "::"]]) +AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ]], + [[namespace reference has a trailing "::"]]) +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: $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 +# . + +AT_SETUP([[Bad character literals]]) + +AT_DATA([empty.y], +[[%% +start: ''; +start: ' +]]) +echo $ECHO_N "start: '$ECHO_C" >> empty.y + +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 +]]) +echo $ECHO_N "start: 'ab$ECHO_C" >> two.y + +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 +]]) +echo $ECHO_N "start: 'abc$ECHO_C" >> three.y + +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 can only 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. +# +# Z for 0, O for 1. +echo 'start: "\T\F\Z\O" ;' | tr 'TFZO' '\011\014\0\1' >> input.y + +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