X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a703b669b489ea2d3d4b5c9b37666293f7c97563..1a06f28efc71127635056174ed2923a7847342fb:/tests/input.at diff --git a/tests/input.at b/tests/input.at index 93ae3de1..f60eaec7 100644 --- a/tests/input.at +++ b/tests/input.at @@ -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 @@ -58,21 +115,20 @@ 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:5.6-32: 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 +[[input.y:5.12-13: error: $$ for the midrule at $2 of 'exp' has no declared type +input.y:5.24-25: error: $2 of 'exp' has no declared type +input.y:5.6-32: warning: type clash on default action: != <> [-Wother] +input.y:6.6-8: warning: type clash on default action: != <> [-Wother] +input.y:7.5: warning: empty rule for typed nonterminal, and no action [-Wother] ]]) AT_CLEANUP # _AT_UNUSED_VALUES_DECLARATIONS() -# -------------------------------------------- +# -------------------------------- # Generate the token, type, and destructor # declarations for the unused values tests. - m4_define([_AT_UNUSED_VALUES_DECLARATIONS], [[[%token INT; %type a b c d e f g h i j k l; @@ -80,15 +136,11 @@ m4_define([_AT_UNUSED_VALUES_DECLARATIONS], # AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES) -# ------------------------------------------------------------------ -# Generate a grammar to test unused values, -# compile it, run it. If DECLARATIONS_AFTER -# is set, then the token, type, and destructor -# declarations are generated after the rules -# rather than before. If CHECK_MIDRULE_VALUES -# is set, then --warnings=midrule-values is -# set. - +# ---------------------------------------------------------------- +# Generate a grammar to test unused values, compile it, run it. If +# DECLARATIONS_AFTER is set, then the token, type, and destructor +# declarations are generated after the rules rather than before. If +# CHECK_MIDRULE_VALUES is set, then --warnings=midrule-values is set. m4_define([AT_CHECK_UNUSED_VALUES], [AT_DATA([input.y], m4_ifval($1, [ @@ -117,42 +169,109 @@ l: INT | INT { $$ = $1; } INT { $$ = $2 + $< _AT_UNUSED_VALUES_DECLARATIONS]) ) -AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [], -[[input.y:11.10-32: warning: unset value: $]$[ -input.y:11.10-32: warning: unused value: $]1[ -input.y:11.10-32: warning: unused value: $]3[ -input.y:11.10-32: warning: unused value: $]5[ -input.y:12.9: warning: empty rule for typed nonterminal, and no action -]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $$ -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[ -]]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[ -]]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[ -]]m4_ifval($2, [[[input.y:21.10-68: warning: unused value: $]4[ -]]]))]) - +AT_BISON_CHECK(m4_ifval($2, [--warnings=midrule-values ])[-fcaret input.y], + [0], [], +[[input.y:11.10-32: warning: unset value: $][$ [-Wother] + a: INT | INT { } INT { } INT { }; + ^^^^^^^^^^^^^^^^^^^^^^^ +input.y:11.10-12: warning: unused value: $][1 [-Wother] + a: INT | INT { } INT { } INT { }; + ^^^ +input.y:11.18-20: warning: unused value: $][3 [-Wother] + a: INT | INT { } INT { } INT { }; + ^^^ +input.y:11.26-28: warning: unused value: $][5 [-Wother] + a: INT | INT { } INT { } INT { }; + ^^^ +input.y:12.9: warning: empty rule for typed nonterminal, and no action [-Wother] + b: INT | /* empty */; + ^ +]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $][$ [-Wmidrule-values] + c: INT | INT { $][1; } INT { $2; } INT { $4; }; + ^^^^^^^ +input.y:13.26-41: warning: unset value: $][$ [-Wmidrule-values] + c: INT | INT { $][1; } INT { $2; } INT { $4; }; + ^^^^^^^^^^^^^^^^ +]]])[[input.y:13.10-62: warning: unset value: $][$ [-Wother] + c: INT | INT { $][1; } INT { $2; } INT { $4; }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:13.22-24: warning: unused value: $][3 [-Wother] + c: INT | INT { $][1; } INT { $2; } INT { $4; }; + ^^^ +input.y:13.43-45: warning: unused value: $][5 [-Wother] + c: INT | INT { $][1; } INT { $2; } INT { $4; }; + ^^^ +]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $][$ [-Wmidrule-values] + d: INT | INT { } INT { $][1; } INT { $2; }; + ^^^ +]]])[[input.y:14.10-49: warning: unset value: $][$ [-Wother] + d: INT | INT { } INT { $][1; } INT { $2; }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:14.18-20: warning: unused value: $][3 [-Wother] + d: INT | INT { } INT { $][1; } INT { $2; }; + ^^^ +input.y:14.30-32: warning: unused value: $][5 [-Wother] + d: INT | INT { } INT { $][1; } INT { $2; }; + ^^^ +input.y:15.10-37: warning: unset value: $][$ [-Wother] + e: INT | INT { } INT { } INT { $][1; }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:15.18-20: warning: unused value: $][3 [-Wother] + e: INT | INT { } INT { } INT { $][1; }; + ^^^ +input.y:15.27-29: warning: unused value: $][5 [-Wother] + e: INT | INT { } INT { } INT { $][1; }; + ^^^ +input.y:17.10-58: warning: unset value: $][$ [-Wother] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:17.10-12: warning: unused value: $][1 [-Wother] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^ +]]m4_ifval($2, [[[input.y:17.14-29: warning: unused value: $][2 [-Wmidrule-values] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^^^^^^^^^^^^^^ +]]])[[input.y:17.31-33: warning: unused value: $][3 [-Wother] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^ +]]m4_ifval($2, [[[input.y:17.35-50: warning: unused value: $][4 [-Wmidrule-values] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^^^^^^^^^^^^^^ +]]])[[input.y:17.52-54: warning: unused value: $][5 [-Wother] + g: INT | INT { $$; } INT { $$; } INT { }; + ^^^ +input.y:18.10-72: warning: unset value: $][$ [-Wother] + h: INT | INT { $$; } INT { $$ = $2; } INT { }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:18.10-12: warning: unused value: $][1 [-Wother] + h: INT | INT { $$; } INT { $$ = $2; } INT { }; + ^^^ +input.y:18.31-33: warning: unused value: $][3 [-Wother] + h: INT | INT { $$; } INT { $$ = $2; } INT { }; + ^^^ +]]m4_ifval($2, [[[input.y:18.35-64: warning: unused value: $][4 [-Wmidrule-values] + h: INT | INT { $$; } INT { $$ = $2; } INT { }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +]]])[[input.y:18.66-68: warning: unused value: $][5 [-Wother] + h: INT | INT { $$; } INT { $$ = $2; } INT { }; + ^^^ +]]m4_ifval($2, [[[input.y:20.18-37: warning: unused value: $][3 [-Wmidrule-values] + j: INT | INT INT { $$ = 1; } { $][$ = $][1 + $][2; }; + ^^^^^^^^^^^^^^^^^^^^ +]]])[[input.y:21.10-68: warning: unset value: $][$ [-Wother] + k: INT | INT INT { $$; } { $$ = $3; } { }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:21.10-12: warning: unused value: $][1 [-Wother] + k: INT | INT INT { $$; } { $$ = $3; } { }; + ^^^ +input.y:21.14-16: warning: unused value: $][2 [-Wother] + k: INT | INT INT { $$; } { $$ = $3; } { }; + ^^^ +]]m4_ifval($2, [[[input.y:21.35-64: warning: unused value: $][4 [-Wmidrule-values] + k: INT | INT INT { $$; } { $$ = $3; } { }; + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +]]])) +]) ## --------------- ## ## Unused values. ## @@ -205,30 +324,30 @@ start: ; ]]) 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:2.10-24: 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:5.10-24: 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:8.10-24: 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:11.10-24: 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:18.10-24: 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:21.10-24: redeclaration for default tagless %printer -input.y:11.10-24: previous declaration +[[input.y:1.13-29: error: %destructor redeclaration for <*> +input.y:1.13-29: previous declaration +input.y:2.10-24: error: %printer redeclaration for <*> +input.y:2.10-24: previous declaration +input.y:4.13-29: error: %destructor redeclaration for <*> +input.y:1.13-29: previous declaration +input.y:5.10-24: error: %printer redeclaration for <*> +input.y:2.10-24: previous declaration +input.y:7.13-29: error: %destructor redeclaration for <> +input.y:7.13-29: previous declaration +input.y:8.10-24: error: %printer redeclaration for <> +input.y:8.10-24: previous declaration +input.y:10.13-29: error: %destructor redeclaration for <> +input.y:7.13-29: previous declaration +input.y:11.10-24: error: %printer redeclaration for <> +input.y:8.10-24: previous declaration +input.y:17.13-29: error: %destructor redeclaration for <*> +input.y:4.13-29: previous declaration +input.y:18.10-24: error: %printer redeclaration for <*> +input.y:5.10-24: previous declaration +input.y:20.13-29: error: %destructor redeclaration for <> +input.y:10.13-29: previous declaration +input.y:21.10-24: error: %printer redeclaration for <> +input.y:11.10-24: previous declaration ]]) AT_CLEANUP @@ -256,24 +375,141 @@ start: ; ]]) 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:5.10-24: %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:12.10-24: %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 +[[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 + +## ------------------- ## +## Undefined symbols. ## +## ------------------- ## + +AT_SETUP([Undefined symbols]) + +AT_DATA([[input.y]], +[[%printer {} foo baz +%destructor {} bar +%type qux +%% +exp: bar; +]]) + +AT_BISON_CHECK([input.y], [1], [], +[[input.y:2.16-18: error: symbol bar is used, but is not defined as a token and has no rules +input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother] +input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules [-Wother] +input.y:3.13-15: warning: symbol qux is used, but is not defined as a token and has no rules [-Wother] +]]) + +AT_CLEANUP + + +## ----------------------------------------------------- ## +## Unassociated types used for a printer or destructor. ## +## ----------------------------------------------------- ## + +AT_SETUP([Unassociated types used for a printer or destructor]) + +AT_DATA([[input.y]], +[[%token tag1 +%type tag2 + +%printer { } +%destructor { } + +%% + +exp: tag1 { $1; } + | tag2 { $1; } + +tag2: "a" { $$; } ]]) +AT_BISON_CHECK([input.y], [0], [], +[[input.y:4.22-28: warning: type is used, but is not associated to any symbol [-Wother] +input.y:5.25-31: warning: type is used, but is not associated to any symbol [-Wother] +]]) + +AT_CLEANUP + + +## --------------------------------- ## +## Useless printers or destructors. ## +## --------------------------------- ## + +AT_SETUP([Useless printers or destructors]) + +# AT_TEST([INPUT], [STDERR]) +# -------------------------- +m4_pushdef([AT_TEST], +[AT_DATA([[input.y]], +[$1 +]) +AT_BISON_CHECK([input.y], [0], [], [$2 +])]) + +AT_TEST([[%token token1 +%token token2 +%token token3 +%token token4 +%token token51 token52 +%token token61 token62 +%token token7 + +%printer {} token1 +%destructor {} token2 +%printer {} token51 +%destructor {} token61 + +%printer {} token7 + +%printer {} +%destructor {} +%printer {} +%destructor {} + +%printer {} +%destructor {} + +%destructor {} + +%% +exp: "a";]], +[[input.y:16.13-19: warning: useless %printer for type [-Wother] +input.y:17.16-22: warning: useless %destructor for type [-Wother]]]) + +# If everybody is typed, <> is useless. +AT_TEST([[%type exp +%token a +%printer {} <> <*> +%% +exp: a;]], +[[input.y:3.13-14: warning: useless %printer for type <> [-Wother]]]) + +# If nobody is typed, <*> is useless. +AT_TEST([[%token a +%printer {} <> <*> +%% +exp: a;]], +[[input.y:2.16-18: warning: useless %printer for type <*> [-Wother]]]) + +m4_popdef([AT_TEST]) + AT_CLEANUP @@ -295,9 +531,9 @@ tagged: { } ; ]]) AT_BISON_CHECK([input.y], [0], [], -[[input.y:6.8-45: warning: unset value: $$ -input.y:6.8-45: warning: unused value: $2 -input.y:7.6-8: warning: unset value: $$ +[[input.y:6.8-45: warning: unset value: $$ [-Wother] +input.y:6.12-14: warning: unused value: $2 [-Wother] +input.y:7.6-8: warning: unset value: $$ [-Wother] ]]) AT_DATA([[input.y]], @@ -312,8 +548,8 @@ tagged: { } ; ]]) AT_BISON_CHECK([input.y], [0], [], -[[input.y:6.8-45: warning: unused value: $4 -input.y:8.9-11: warning: unset value: $$ +[[input.y:6.23-28: warning: unused value: $4 [-Wother] +input.y:8.9-11: warning: unset value: $$ [-Wother] ]]) AT_CLEANUP @@ -336,9 +572,9 @@ end: { } ; ]]) AT_BISON_CHECK([input.y], [0], [], -[[input.y:6.8-22: warning: unset value: $$ -input.y:6.8-22: warning: unused value: $2 -input.y:7.6-8: warning: unset value: $$ +[[input.y:6.8-22: warning: unset value: $$ [-Wother] +input.y:6.12-14: warning: unused value: $2 [-Wother] +input.y:7.6-8: warning: unset value: $$ [-Wother] ]]) AT_CLEANUP @@ -368,14 +604,14 @@ 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 +627,10 @@ 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 +638,7 @@ 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 +678,7 @@ char apostrophe = '\''; #include #include +#include %} /* %{ and %} can be here too. */ @@ -468,8 +705,8 @@ char quote[] = "@:>@@:>@,"; %} %{ -static void yyerror (const char *s); -static int yylex (void); +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ %} %type '@<:@' @@ -501,7 +738,7 @@ value_as_yystype (value val) res.ival = val; return res; } - +]AT_YYERROR_DEFINE[ static int yylex (void) { @@ -509,17 +746,10 @@ 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: " @@ -536,10 +766,11 @@ 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, [[[@<:@], @@ -600,8 +831,8 @@ 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" @@ -621,14 +852,15 @@ 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; @@ -637,25 +869,28 @@ 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], [], -[[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 +AT_BISON_CHECK([--yacc -Wno-error input.y], [], [], +[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc] +input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc] ]]) # 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 +[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc] +input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc] ]]) # 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]) +AT_COMPILE([input.o]) # Periods are genuine letters, they can start identifiers. @@ -669,9 +904,9 @@ AT_DATA_GRAMMAR([input.y], 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: '-' +[[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 @@ -693,10 +928,10 @@ 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 +[[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([too-large.y], @@ -708,8 +943,8 @@ 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: error: integer out of range: '999999999999999999999' +too-large.y:10.24-44: error: integer out of range: '0xFFFFFFFFFFFFFFFFFFF' ]]) AT_CLEANUP @@ -721,10 +956,10 @@ 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 @@ -749,12 +984,31 @@ 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 @@ -766,8 +1020,8 @@ 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], [[%% @@ -796,7 +1050,7 @@ 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 @@ -816,7 +1070,7 @@ start: %prec PREC ; ]]) AT_BISON_CHECK([[input.y]], [[0]], [], -[[input.y:2.8-17: warning: token for %prec is not defined: PREC +[[input.y:2.8-17: warning: token for %prec is not defined: PREC [-Wother] ]]) AT_CLEANUP @@ -837,10 +1091,10 @@ 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: 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], @@ -851,9 +1105,9 @@ 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: 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], @@ -864,9 +1118,9 @@ 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: 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], @@ -877,9 +1131,9 @@ 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: 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], @@ -890,9 +1144,9 @@ 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: 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], @@ -903,9 +1157,9 @@ 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: 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 @@ -928,10 +1182,10 @@ 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], @@ -941,7 +1195,7 @@ 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: error: %define variable 'var' is not used ]]) AT_CLEANUP @@ -985,8 +1239,20 @@ 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 -: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]], @@ -994,8 +1260,8 @@ 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 +[[:1: error: %define variable 'unused-d' is not used +:2: error: %define variable 'unused-f' is not used ]]) AT_CLEANUP @@ -1004,7 +1270,7 @@ AT_CLEANUP ## %define Boolean variables. ## ## --------------------------- ## -AT_SETUP([[%define Boolean variables]]) +AT_SETUP([["%define" Boolean variables]]) AT_DATA([Input.y], [[%language "Java" @@ -1015,7 +1281,7 @@ 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 @@ -1024,19 +1290,25 @@ AT_CLEANUP ## %define enum variables. ## ## ------------------------ ## -AT_SETUP([[%define enum variables]]) +AT_SETUP([["%define" enum variables]]) + +# Check errors from the front-end, and the back-end. Since the +# front-end quits before calling the back-end, these tests cannot be +# fused. # Front-end. AT_DATA([[input.y]], -[[%define lr.default-reductions bogus +[[%define lr.default-reduction 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' +AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], +[[input.y:1.9-28: error: invalid value for %define variable 'lr.default-reduction': 'bogus' + %define lr.default-reduction bogus + ^^^^^^^^^^^^^^^^^^^^ +input.y:1.9-28: accepted value: 'most' +input.y:1.9-28: accepted value: 'consistent' +input.y:1.9-28: accepted value: 'accepting' ]]) # Back-end. @@ -1045,11 +1317,13 @@ 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' +AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], +[[input.y:1.9-21: error: invalid value for %define variable 'api.push-pull': 'neither' + %define 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 @@ -1058,39 +1332,37 @@ 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_SETUP([["%define" backward compatibility]]) +# The error messages tell us whether the variables are properly updated. AT_DATA([[input.y]], -[[%define lr.keep_unreachable_states maybe +[[%define api.push_pull both +%define lr.keep_unreachable_states maybe +%define namespace "foo" +%define api.namespace "foo" +%define variant %% 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 foo_bar "baz" -%% -start: ; -]]) -AT_BISON_CHECK([[input.y]], [[1]], [], -[[input.y:1.9-15: %define variable 'foo_bar' is not used +AT_BISON_CHECK([[-fcaret input.y]], [1], [], +[[input.y:1.9-21: warning: deprecated directive, use '%define api.push-pull both' [-Wdeprecated] + %define api.push_pull both + ^^^^^^^^^^^^^ +input.y:2.9-34: warning: deprecated directive, use '%define lr.keep-unreachable-state maybe' [-Wdeprecated] + %define lr.keep_unreachable_states maybe + ^^^^^^^^^^^^^^^^^^^^^^^^^^ +input.y:3.9-17: warning: deprecated directive, use '%define api.namespace foo' [-Wdeprecated] + %define namespace "foo" + ^^^^^^^^^ +input.y:4.9-21: error: %define variable 'api.namespace' redefined + %define api.namespace "foo" + ^^^^^^^^^^^^^ +input.y:3.9-17: previous definition + %define namespace "foo" + ^^^^^^^^^ +input.y:5.9-15: warning: deprecated directive, use '%define api.value.type variant' [-Wdeprecated] + %define variant + ^^^^^^^ ]]) AT_CLEANUP @@ -1115,7 +1387,7 @@ start: ; ]]) AT_BISON_CHECK([[input.y]], [[1]], [], -[[input.y:1.9-16: %define variable 'api.pure' is not used +[[input.y:1.9-16: error: %define variable 'api.pure' is not used ]]) ]) @@ -1142,14 +1414,14 @@ m4_define([AT_CHECK_NAMESPACE_ERROR], AT_DATA([[input.y]], [[%language "C++" %defines -%define namespace "]$1[" +%define api.namespace "]$1[" %% start: ; ]]) AT_BISON_CHECK([[input.y]], [1], [], [m4_foreach([b4_arg], m4_dquote(m4_shift($@)), -[[input.y:3.9-17: ]b4_arg[ +[[input.y:3.9-21: error: ]b4_arg[ ]])]) ]) @@ -1195,14 +1467,14 @@ 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:4.8: warning: empty character literal -empty.y:4.8: missing "'" at end of file +[[empty.y:2.8-9: warning: empty character literal [-Wother] +empty.y:3.8-4.0: warning: empty character literal [-Wother] +empty.y:3.8-4.0: error: missing "'" at end of line +empty.y:4.8: warning: empty character literal [-Wother] +empty.y:4.8: error: missing "'" at end of file ]]) AT_DATA([two.y], @@ -1210,14 +1482,14 @@ 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:4.8-10: warning: extra characters in character literal -two.y:4.8-10: missing "'" at end of file +[[two.y:2.8-11: warning: extra characters in character literal [-Wother] +two.y:3.8-4.0: warning: extra characters in character literal [-Wother] +two.y:3.8-4.0: error: missing "'" at end of line +two.y:4.8-10: warning: extra characters in character literal [-Wother] +two.y:4.8-10: error: missing "'" at end of file ]]) AT_DATA([three.y], @@ -1225,14 +1497,14 @@ 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:4.8-11: warning: extra characters in character literal -three.y:4.8-11: missing "'" at end of file +[[three.y:2.8-12: warning: extra characters in character literal [-Wother] +three.y:3.8-4.0: warning: extra characters in character literal [-Wother] +three.y:3.8-4.0: error: missing "'" at end of line +three.y:4.8-11: warning: extra characters in character literal [-Wother] +three.y:4.8-11: error: missing "'" at end of file ]]) AT_CLEANUP @@ -1254,34 +1526,34 @@ 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], [], -[[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 +[[input.y:2.9-12: error: invalid number after \-escape: 777 +input.y:2.8-13: warning: empty character literal [-Wother] +input.y:2.16-17: error: invalid number after \-escape: 0 +input.y:2.15-18: warning: empty character literal [-Wother] +input.y:2.21-25: error: invalid number after \-escape: xfff +input.y:2.20-26: warning: empty character literal [-Wother] +input.y:2.29-31: error: invalid number after \-escape: x0 +input.y:2.28-32: warning: empty character literal [-Wother] +input.y:3.9-14: error: invalid number after \-escape: uffff +input.y:3.8-15: warning: empty character literal [-Wother] +input.y:3.18-23: error: invalid number after \-escape: u0000 +input.y:3.17-24: warning: empty character literal [-Wother] +input.y:3.27-36: error: invalid number after \-escape: Uffffffff +input.y:3.26-37: warning: empty character literal [-Wother] +input.y:3.40-49: error: invalid number after \-escape: U00000000 +input.y:3.39-50: warning: empty character literal [-Wother] +input.y:4.9-10: error: invalid character after \-escape: ' ' +input.y:4.8-11: warning: empty character literal [-Wother] +input.y:4.14-15: error: invalid character after \-escape: A +input.y:4.13-16: warning: empty character literal [-Wother] +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 @@ -1300,11 +1572,11 @@ 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 +[[:1: error: %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 +[[:1: error: %define variable 'parse.lac.memory-trace' is not used ]]) AT_CLEANUP @@ -1322,22 +1594,267 @@ 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 +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc] ]]) AT_BISON_CHECK([[-W input.y]], [[0]], [[]], -[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc] ]]) AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]], -[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar +[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc] ]]) # -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 +[[input.y:2.1-7: error: POSIX Yacc forbids dashes in symbol names: foo-bar [-Werror=yacc] ]]) [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 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]], +[[%type exp +%token TOK TOK2 +%destructor { $%; @%; } <*> exp TOK; +%initial-action { $%; @%; }; +%printer { $%; @%; } <*> exp TOK; +%% +exp: TOK { $%; @%; $$ = $1; }; +]]) + +AT_BISON_CHECK([[input.y]], 0, [], +[[input.y:11.19: warning: stray '$' [-Wother] +input.y:11.23: warning: stray '@' [-Wother] +input.y:12.19: warning: stray '$' [-Wother] +input.y:12.23: warning: stray '@' [-Wother] +input.y:13.19: warning: stray '$' [-Wother] +input.y:13.23: warning: stray '@' [-Wother] +input.y:15.19: warning: stray '$' [-Wother] +input.y:15.23: warning: stray '@' [-Wother] +]]) + +AT_CLEANUP + + + +## ---------------- ## +## Code injection. ## +## ---------------- ## + + +AT_SETUP([[Code injection]]) + +m4_pattern_allow([^m4_errprintn$]) + +# 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 +%token b +%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[name] b + { + $$; + $][1; + $<$1(DEAD action 1)>$ + $<$1(DEAD action 2)>1 + $<$1(DEAD action 3)>name + $<$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 + +##----------------------- ## +## Deprecated directives. ## +## ---------------------- ## + +AT_SETUP([[Deprecated directives]]) + +AT_KEYWORDS([[deprec]]) + +AT_DATA_GRAMMAR([[input.y]], +[[ +%default_prec +%error_verbose +%expect_rr 0 +%file-prefix = "foo" +%file-prefix + = +"bar" +%fixed-output_files +%fixed_output-files +%fixed-output-files +%name-prefix= "foo" +%no-default_prec +%no_default-prec +%no_lines +%output = "foo" +%pure_parser +%token_table +%glr-parser +%% exp : '0' +]]) + +AT_BISON_CHECK([[input.y]], [[0]], [[]], +[[input.y:10.1-13: warning: deprecated directive: '%default_prec', use '%default-prec' [-Wdeprecated] +input.y:11.1-14: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated] +input.y:12.1-10: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated] +input.y:13.1-14: warning: deprecated directive: '%file-prefix =', use '%file-prefix' [-Wdeprecated] +input.y:14.1-15.2: warning: deprecated directive: '%file-prefix\n =', use '%file-prefix' [-Wdeprecated] +input.y:17.1-19: warning: deprecated directive: '%fixed-output_files', use '%fixed-output-files' [-Wdeprecated] +input.y:18.1-19: warning: deprecated directive: '%fixed_output-files', use '%fixed-output-files' [-Wdeprecated] +input.y:20.1-13: warning: deprecated directive: '%name-prefix=', use '%name-prefix' [-Wdeprecated] +input.y:21.1-16: warning: deprecated directive: '%no-default_prec', use '%no-default-prec' [-Wdeprecated] +input.y:22.1-16: warning: deprecated directive: '%no_default-prec', use '%no-default-prec' [-Wdeprecated] +input.y:23.1-9: warning: deprecated directive: '%no_lines', use '%no-lines' [-Wdeprecated] +input.y:24.1-9: warning: deprecated directive: '%output =', use '%output' [-Wdeprecated] +input.y:25.1-12: warning: deprecated directive: '%pure_parser', use '%pure-parser' [-Wdeprecated] +input.y:26.1-12: warning: deprecated directive: '%token_table', use '%token-table' [-Wdeprecated] +]]) + +AT_CLEANUP + +## ---------------------------- ## +## Unput's effect on locations. ## +## ---------------------------- ## +dnl When the scanner detects a deprecated construct, it unputs the correct +dnl version, but it should *not* have any impact on the scanner cursor. If it +dnl does, the locations of directives on the same line become erroneous. + +AT_SETUP([[Unput's effect on locations]]) + +AT_KEYWORDS([[deprec]]) + +AT_DATA_GRAMMAR([[input.y]], +[[ +%glr-parser +%expect_rr 42 %expect_rr 42 + %expect_rr 42 +%error_verbose %error_verbose + %error_verbose +%% exp: '0' +]]) + +AT_BISON_CHECK([[input.y]], [[1]], [[]], +[[input.y:11.1-10: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated] +input.y:11.15-24: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated] +input.y:12.15-24: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated] +input.y:13.1-14: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated] +input.y:13.16-29: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated] +input.y:13.11-21: error: %define variable 'parse.error' redefined +input.y:13-6: previous definition +input.y:14.16-29: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated] +input.y:14.11-21: error: %define variable 'parse.error' redefined +input.y:13.11-21: previous definition +]]) + +AT_CLEANUP + +##--------------------------- ## +## Non-deprecated directives. ## +## -------------------------- ## + +AT_SETUP([[Non-deprecated directives]]) + +AT_KEYWORDS([[deprec]]) + +AT_DATA_GRAMMAR([[input.y]], +[[ +%default-prec +%error-verbose +%expect-rr 42 +%file-prefix "foo" +%file-prefix +"bar" +%fixed-output-files +%name-prefix "foo" +%no-default-prec +%no-lines +%output "foo" +%pure-parser +%token-table +%% exp : '0' +]]) + +AT_BISON_CHECK([[input.y]], [[0]], [[]], +[[input.y: warning: %expect-rr applies only to GLR parsers [-Wother] +]]) + +AT_CLEANUP