| # Checking the Bison scanner. -*- Autotest -*- |
| |
| # Copyright (C) 2002-2015, 2018-2019 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 |
| # 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, see <http://www.gnu.org/licenses/>. |
| |
| AT_BANNER([[Input Processing.]]) |
| |
| # Mostly test that we are robust to mistakes. |
| |
| |
| ## ----------------------------- ## |
| ## Invalid number of arguments. ## |
| ## ----------------------------- ## |
| |
| AT_SETUP([Invalid number of arguments]) |
| |
| AT_BISON_CHECK([], [1], [], |
| [[bison: missing operand |
| Try 'bison --help' for more information. |
| ]]) |
| |
| AT_BISON_CHECK([1.y 2.y], [1], [], |
| [[bison: extra operand '2.y' |
| Try 'bison --help' for more information. |
| ]]) |
| |
| # For some reason, on some systems we use the system's getopt, not the |
| # one we ship in gnulib. So we can get two different error messages. |
| # See https://lists.gnu.org/archive/html/bison-patches/2018-10/msg00154.html |
| AT_BISON_CHECK([--skeleton], [1], [], [stderr]) |
| AT_CHECK([[sed -e \ |
| "s/requires an argument -- skeleton/'--skeleton' requires an argument/" \ |
| stderr]], 0, |
| [[bison: option '--skeleton' requires an argument |
| Try 'bison --help' for more information. |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| |
| ## ----------------- ## |
| ## Invalid options. ## |
| ## ----------------- ## |
| |
| AT_SETUP([Invalid options]) |
| |
| AT_DATA([input.y], |
| [[%% |
| exp: '0' |
| ]]) |
| |
| # We used to accept these, as -f, --report and others were sharing |
| # their code with -W. |
| AT_BISON_CHECK([-ferror=caret input.y], [1], [], [ignore]) |
| AT_BISON_CHECK([--report=error=itemsets input.y], [1], [], [ignore]) |
| |
| # We used to accept any character after "-Werror", instead of ensuring |
| # this is "=". |
| AT_BISON_CHECK([-Werror?all input.y], [1], [], [ignore]) |
| |
| AT_CLEANUP |
| |
| |
| ## ---------------- ## |
| ## Invalid inputs. ## |
| ## ---------------- ## |
| |
| AT_SETUP([Invalid inputs]) |
| |
| AT_DATA([input.y], |
| [[\000\001\002\377? |
| %% |
| ? |
| default: 'a' } |
| %& |
| %a-does-not-exist |
| %- |
| %{ |
| ]]) |
| AT_PERL_REQUIRE([[-pi -e 's/\\(\d{3})/chr(oct($1))/ge' input.y]]) |
| |
| 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 |
| |
| |
| ## -------------------------- ## |
| ## Yacc warnings on symbols. ## |
| ## -------------------------- ## |
| |
| AT_SETUP([Yacc warnings on symbols]) |
| |
| AT_DATA([input.y], |
| [[%nterm exp |
| %token NUM 0x40 "number" |
| %% |
| exp: "number"; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret -Wyacc input.y], [0], [], |
| [[input.y:1.1-6: warning: POSIX Yacc does not support %nterm [-Wyacc] |
| 1 | %nterm exp |
| | ^~~~~~ |
| input.y:2.12-15: warning: POSIX Yacc does not support hexadecimal literals [-Wyacc] |
| 2 | %token NUM 0x40 "number" |
| | ^~~~ |
| input.y:2.17-24: warning: POSIX Yacc does not support string literals [-Wyacc] |
| 2 | %token NUM 0x40 "number" |
| | ^~~~~~~~ |
| input.y:4.6-13: warning: POSIX Yacc does not support string literals [-Wyacc] |
| 4 | exp: "number"; |
| | ^~~~~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------- ## |
| ## Yacc warnings. ## |
| ## --------------- ## |
| |
| AT_SETUP([Yacc warnings]) |
| |
| AT_DATA([input.y], |
| [[%destructor {} <int> |
| %printer {} <int> |
| %type <int> exp a b |
| %% |
| exp: a b { $$ = $1 + $2; }; |
| a: <int>{ $$ = 42; } { $$ = $1; }; |
| b: %empty { $$ = 42; }; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret -Wyacc input.y], [0], [], |
| [[input.y:1.1-11: warning: POSIX Yacc does not support %destructor [-Wyacc] |
| 1 | %destructor {} <int> |
| | ^~~~~~~~~~~ |
| input.y:2.1-8: warning: POSIX Yacc does not support %printer [-Wyacc] |
| 2 | %printer {} <int> |
| | ^~~~~~~~ |
| input.y:6.9-20: warning: POSIX Yacc does not support typed midrule actions [-Wyacc] |
| 6 | a: <int>{ $$ = 42; } { $$ = $1; }; |
| | ^~~~~~~~~~~~ |
| input.y:7.4-9: warning: POSIX Yacc does not support %empty [-Wyacc] |
| 7 | b: %empty { $$ = 42; }; |
| | ^~~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## -------------- ## |
| ## Yacc's %type. ## |
| ## -------------- ## |
| |
| AT_SETUP([Yacc's %type]) |
| |
| AT_DATA([input.y], |
| [[%token TOKEN1 |
| %nterm nterm1 |
| %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| %token TOKEN2 |
| %nterm nterm2 |
| %% |
| expr: nterm1 nterm2 nterm3 |
| nterm1: TOKEN1 |
| nterm2: TOKEN2 |
| nterm3: "TOKEN3" |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret -Wyacc input.y], [0], [], |
| [[input.y:2.1-6: warning: POSIX Yacc does not support %nterm [-Wyacc] |
| 2 | %nterm nterm1 |
| | ^~~~~~ |
| input.y:3.14-19: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] |
| 3 | %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| | ^~~~~~ |
| input.y:3.28-35: warning: POSIX Yacc does not support string literals [-Wyacc] |
| 3 | %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| | ^~~~~~~~ |
| input.y:3.28-35: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] |
| 3 | %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| | ^~~~~~~~ |
| input.y:3.58-60: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] |
| 3 | %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| | ^~~ |
| input.y:5.1-6: warning: POSIX Yacc does not support %nterm [-Wyacc] |
| 5 | %nterm nterm2 |
| | ^~~~~~ |
| input.y:3.21-26: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] |
| 3 | %type <ival> TOKEN1 TOKEN2 "TOKEN3" nterm1 nterm2 nterm3 '+' |
| | ^~~~~~ |
| input.y:10.9-16: warning: POSIX Yacc does not support string literals [-Wyacc] |
| 10 | nterm3: "TOKEN3" |
| | ^~~~~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ----------------------------- ## |
| ## Invalid symbol declarations. ## |
| ## ----------------------------- ## |
| |
| AT_SETUP([Invalid symbol declarations]) |
| |
| AT_DATA([input.y], |
| [[%nterm expr "expression"; |
| %nterm term 123; |
| %nterm fact 124 "factor"; |
| %nterm '+' '*'; |
| %nterm "number"; |
| %token "tok1" 1; |
| %left "tok2" 2; |
| %type "tok3" 3; |
| %% |
| expr: expr '+' term | term; |
| term: term '*' fact | fact; |
| fact: "number"; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:1.13-24: error: nonterminals cannot be given a string alias |
| 1 | %nterm expr "expression"; |
| | ^~~~~~~~~~~~ |
| input.y:2.13-15: error: nonterminals cannot be given an explicit number |
| 2 | %nterm term 123; |
| | ^~~ |
| input.y:3.13-15: error: nonterminals cannot be given an explicit number |
| 3 | %nterm fact 124 "factor"; |
| | ^~~ |
| input.y:3.17-24: error: nonterminals cannot be given a string alias |
| 3 | %nterm fact 124 "factor"; |
| | ^~~~~~~~ |
| input.y:4.8-10: error: character literals cannot be nonterminals |
| 4 | %nterm '+' '*'; |
| | ^~~ |
| input.y:5.8-15: error: syntax error, unexpected string, expecting character literal or identifier or <tag> |
| 5 | %nterm "number"; |
| | ^~~~~~~~ |
| input.y:6.8-13: error: syntax error, unexpected string, expecting character literal or identifier or <tag> |
| 6 | %token "tok1" 1; |
| | ^~~~~~ |
| input.y:7.14: error: syntax error, unexpected integer |
| 7 | %left "tok2" 2; |
| | ^ |
| input.y:8.14: error: syntax error, unexpected integer |
| 8 | %type "tok3" 3; |
| | ^ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------ ## |
| ## Dangling aliases. ## |
| ## ------------------ ## |
| |
| AT_SETUP([Dangling aliases]) |
| |
| AT_DATA([input.y], |
| [[%token FOO "foo" |
| %type <val> "bar" |
| %% |
| expr: "foo" "bar" "baz" |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret -Wdangling input.y], [0], [], |
| [[input.y:2.13-17: warning: string literal "bar" not attached to a symbol [-Wdangling-alias] |
| 2 | %type <val> "bar" |
| | ^~~~~ |
| input.y:4.19-23: warning: string literal "baz" not attached to a symbol [-Wdangling-alias] |
| 4 | expr: "foo" "bar" "baz" |
| | ^~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------------- ## |
| ## Symbol declarations. ## |
| ## --------------------- ## |
| |
| # Check the parsing of %token, %nterm, %type and %left... |
| AT_SETUP([Symbol declarations]) |
| |
| AT_DATA([dump-symbols.m4], |
| [[m4@&t@_define([b4_symbol_dump], |
| [$1, d@&t@nl |
| b4_symbol_if([$1], [is_token], [Token], [Nonterminal]), d@&t@nl |
| b4_symbol([$1], [tag]), d@&t@nl |
| b4_symbol([$1], [id]), d@&t@nl |
| b4_symbol([$1], [user_number]), d@&t@nl |
| b4_symbol([$1], [type]), |
| ]) |
| |
| b4_output_begin([symbols.csv]) |
| number, class, tag, id, user_number, type, |
| b4_symbol_foreach([b4_symbol_dump])d@&t@nl |
| b4_output_end |
| ]]) |
| |
| AT_DATA([input.y], |
| [[%token 'a' A1 1 "A1" A2 A3 "A3" A4 4 |
| <type_b> 'b' B5 5 "B5" B6 B7 "B8" B9 9 |
| <type_c> 'c' C10 10 "C10" C11 C12 "C12" C13 13 |
| |
| %left 'd' D20 20 "D20" D21 D22 "D22" D23 23 |
| <type_e> 'e' E25 25 "E25" E26 E27 "E28" E29 29 |
| <type_f> 'f' F30 30 "F30" F31 F32 "F32" F33 33 |
| |
| %type 'g' G40 "D40" G21 G22 G23 |
| <type_h> 'h' H25 "H25" H26 H27 "H28" H29 |
| <type_i> 'i' I30 "I30" I31 I32 "I32" I33 |
| |
| %nterm j60 j61 j62 j63 |
| <type_k> k75 k76 k77 k79 |
| <type_l> l80 l81 l82 l83 |
| %% |
| exp:; |
| ]]) |
| |
| AT_BISON_CHECK([-Wno-other -S./dump-symbols.m4 input.y]) |
| AT_CHECK([cat symbols.csv], [], |
| [[number, class, tag, id, user_number, type, |
| 0, Token, $end, , 0, , |
| 1, Nonterminal, error, error, 256, , |
| 2, Nonterminal, $undefined, , 257, , |
| 3, Token, 'a', , 97, , |
| 4, Token, "A1", A1, 1, , |
| 5, Token, A2, A2, 258, , |
| 6, Token, "A3", A3, 259, , |
| 7, Token, A4, A4, 4, , |
| 8, Token, 'b', , 98, type_b, |
| 9, Token, "B5", B5, 5, type_b, |
| 10, Token, B6, B6, 260, type_b, |
| 11, Token, "B8", B7, 261, type_b, |
| 12, Token, B9, B9, 9, type_b, |
| 13, Token, 'c', , 99, type_c, |
| 14, Token, "C10", C10, 10, type_c, |
| 15, Token, C11, C11, 262, type_c, |
| 16, Token, "C12", C12, 263, type_c, |
| 17, Token, C13, C13, 13, type_c, |
| 18, Token, 'd', , 100, , |
| 19, Token, D20, D20, 20, , |
| 20, Token, "D20", , 264, , |
| 21, Token, D21, D21, 265, , |
| 22, Token, D22, D22, 266, , |
| 23, Token, "D22", , 267, , |
| 24, Token, D23, D23, 23, , |
| 25, Token, 'e', , 101, type_e, |
| 26, Token, E25, E25, 25, type_e, |
| 27, Token, "E25", , 268, type_e, |
| 28, Token, E26, E26, 269, type_e, |
| 29, Token, E27, E27, 270, type_e, |
| 30, Token, "E28", , 271, type_e, |
| 31, Token, E29, E29, 29, type_e, |
| 32, Token, 'f', , 102, type_f, |
| 33, Token, F30, F30, 30, type_f, |
| 34, Token, "F30", , 272, type_f, |
| 35, Token, F31, F31, 273, type_f, |
| 36, Token, F32, F32, 274, type_f, |
| 37, Token, "F32", , 275, type_f, |
| 38, Token, F33, F33, 33, type_f, |
| 39, Token, 'g', , 103, , |
| 40, Token, "D40", , 276, , |
| 41, Token, 'h', , 104, type_h, |
| 42, Token, "H25", , 277, type_h, |
| 43, Token, "H28", , 278, type_h, |
| 44, Token, 'i', , 105, type_i, |
| 45, Token, "I30", , 279, type_i, |
| 46, Token, "I32", , 280, type_i, |
| 47, Nonterminal, $accept, , -1, , |
| 48, Nonterminal, exp, exp, -1, , |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------ ## |
| ## Invalid $n. ## |
| ## ------------ ## |
| |
| AT_SETUP([Invalid $n and @n]) |
| |
| AT_DATA([input.y], |
| [[%% |
| exp: %empty { $$ = $1 ; }; |
| exp: %empty { @$ = @1 ; }; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:2.20-21: error: integer out of range: '$1' |
| 2 | exp: %empty { $$ = $1 ; }; |
| | ^~ |
| input.y:3.20-21: error: integer out of range: '@1' |
| 3 | exp: %empty { @$ = @1 ; }; |
| | ^~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## -------------- ## |
| ## Type Clashes. ## |
| ## -------------- ## |
| |
| AT_SETUP([Type Clashes]) |
| |
| AT_DATA([input.y], |
| [[%union { int bar; } |
| %token foo |
| %type <bar> exp |
| %% |
| exp: foo { $$; } foo { $2; } foo |
| | foo |
| | %empty |
| ; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:5.12-13: error: $$ for the midrule at $2 of 'exp' has no declared type |
| 5 | exp: foo { $$; } foo { $2; } foo |
| | ^~ |
| input.y:5.24-25: error: $2 of 'exp' has no declared type |
| 5 | exp: foo { $$; } foo { $2; } foo |
| | ^~ |
| input.y:5.6-32: warning: type clash on default action: <bar> != <> [-Wother] |
| 5 | exp: foo { $$; } foo { $2; } foo |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:6.6-8: warning: type clash on default action: <bar> != <> [-Wother] |
| 6 | | foo |
| | ^~~ |
| input.y:7.6-11: warning: empty rule for typed nonterminal, and no action [-Wother] |
| 7 | | %empty |
| | ^~~~~~ |
| ]]) |
| |
| 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 <integer> INT; |
| %type <integer> a b c d e f g h i j k l m n o; |
| %destructor { destroy ($$); } <integer>;]]]) |
| |
| |
| # AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES) |
| # ---------------------------------------------------------------- |
| # Generate a grammar to test unused values, and compile 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], [ |
| |
| |
| ], [_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; } |
| | 'm' m { $][2; } | 'n' n { $][2; } | 'o' o { $][2; } |
| ; |
| |
| a: INT | INT { } INT { } INT { }; |
| b: INT | %empty; |
| c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| d: INT | INT { } INT { $][1; } INT { $<integer>2; }; |
| e: INT | INT { } INT { } INT { $][1; }; |
| f: INT | INT { } INT { } INT { $][$ = $][1 + $][3 + $][5; }; |
| g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| i: INT | INT INT { } { $][$ = $][1 + $][2; }; |
| j: INT | INT INT { $<integer>$ = 1; } { $][$ = $][1 + $][2; }; |
| k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
| l: INT | INT { $<integer>$ = $<integer>1; } INT { $<integer>$ = $<integer>2 + $<integer>3; } INT { $<integer>$ = $<integer>4 + $<integer>5; }; |
| m: INT | INT <integer>{ $][$ = $][1; } INT <integer>{ $][$ = $][2 + $][3; } INT { $][$ = $][4 + $][5; }; |
| n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; }; |
| ]]m4_ifval([$1], [ |
| _AT_UNUSED_VALUES_DECLARATIONS]) |
| ) |
| |
| AT_BISON_CHECK(m4_ifval([$2], [--warnings=midrule-values ])[-fcaret input.y], |
| [0], [], |
| [[input.y:12.10-32: warning: unset value: $][$ [-Wother] |
| 12 | a: INT | INT { } INT { } INT { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:12.10-12: warning: unused value: $][1 [-Wother] |
| 12 | a: INT | INT { } INT { } INT { }; |
| | ^~~ |
| input.y:12.18-20: warning: unused value: $][3 [-Wother] |
| 12 | a: INT | INT { } INT { } INT { }; |
| | ^~~ |
| input.y:12.26-28: warning: unused value: $][5 [-Wother] |
| 12 | a: INT | INT { } INT { } INT { }; |
| | ^~~ |
| input.y:13.10-15: warning: empty rule for typed nonterminal, and no action [-Wother] |
| 13 | b: INT | %empty; |
| | ^~~~~~ |
| ]]m4_ifval([$2], [[[input.y:14.14-20: warning: unset value: $][$ [-Wmidrule-values] |
| 14 | c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| | ^~~~~~~ |
| input.y:14.26-41: warning: unset value: $][$ [-Wmidrule-values] |
| 14 | c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| | ^~~~~~~~~~~~~~~~ |
| ]]])[[input.y:14.10-62: warning: unset value: $][$ [-Wother] |
| 14 | c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:14.22-24: warning: unused value: $][3 [-Wother] |
| 14 | c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| | ^~~ |
| input.y:14.43-45: warning: unused value: $][5 [-Wother] |
| 14 | c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:15.14-16: warning: unset value: $][$ [-Wmidrule-values] |
| 15 | d: INT | INT { } INT { $][1; } INT { $<integer>2; }; |
| | ^~~ |
| ]]])[[input.y:15.10-49: warning: unset value: $][$ [-Wother] |
| 15 | d: INT | INT { } INT { $][1; } INT { $<integer>2; }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:15.18-20: warning: unused value: $][3 [-Wother] |
| 15 | d: INT | INT { } INT { $][1; } INT { $<integer>2; }; |
| | ^~~ |
| input.y:15.30-32: warning: unused value: $][5 [-Wother] |
| 15 | d: INT | INT { } INT { $][1; } INT { $<integer>2; }; |
| | ^~~ |
| input.y:16.10-37: warning: unset value: $][$ [-Wother] |
| 16 | e: INT | INT { } INT { } INT { $][1; }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:16.18-20: warning: unused value: $][3 [-Wother] |
| 16 | e: INT | INT { } INT { } INT { $][1; }; |
| | ^~~ |
| input.y:16.27-29: warning: unused value: $][5 [-Wother] |
| 16 | e: INT | INT { } INT { } INT { $][1; }; |
| | ^~~ |
| input.y:18.10-58: warning: unset value: $][$ [-Wother] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:18.10-12: warning: unused value: $][1 [-Wother] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:18.14-29: warning: unused value: $][2 [-Wmidrule-values] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~~~~~~~~~~~~~~ |
| ]]])[[input.y:18.31-33: warning: unused value: $][3 [-Wother] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:18.35-50: warning: unused value: $][4 [-Wmidrule-values] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~~~~~~~~~~~~~~ |
| ]]])[[input.y:18.52-54: warning: unused value: $][5 [-Wother] |
| 18 | g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { }; |
| | ^~~ |
| input.y:19.10-72: warning: unset value: $][$ [-Wother] |
| 19 | h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:19.10-12: warning: unused value: $][1 [-Wother] |
| 19 | h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| | ^~~ |
| input.y:19.31-33: warning: unused value: $][3 [-Wother] |
| 19 | h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:19.35-64: warning: unused value: $][4 [-Wmidrule-values] |
| 19 | h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| ]]])[[input.y:19.66-68: warning: unused value: $][5 [-Wother] |
| 19 | h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:21.18-37: warning: unused value: $][3 [-Wmidrule-values] |
| 21 | j: INT | INT INT { $<integer>$ = 1; } { $][$ = $][1 + $][2; }; |
| | ^~~~~~~~~~~~~~~~~~~~ |
| ]]])[[input.y:22.10-68: warning: unset value: $][$ [-Wother] |
| 22 | k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:22.10-12: warning: unused value: $][1 [-Wother] |
| 22 | k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
| | ^~~ |
| input.y:22.14-16: warning: unused value: $][2 [-Wother] |
| 22 | k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
| | ^~~ |
| ]]m4_ifval([$2], [[[input.y:22.35-64: warning: unused value: $][4 [-Wmidrule-values] |
| 22 | k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| ]]])[[input.y:25.23-25: warning: unset value: $][$ [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.40-42: warning: unset value: $][$ [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.10-50: warning: unset value: $][$ [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:25.10-12: warning: unused value: $][1 [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.23-25: warning: unused value: $][2 [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.27-29: warning: unused value: $][3 [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.40-42: warning: unused value: $][4 [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:25.44-46: warning: unused value: $][5 [-Wother] |
| 25 | n: INT | INT <integer>{ } INT <integer>{ } INT { }; |
| | ^~~ |
| input.y:26.23-25: warning: unset value: $][$ [-Wother] |
| 26 | o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; }; |
| | ^~~ |
| input.y:26.40-42: warning: unset value: $][$ [-Wother] |
| 26 | o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; }; |
| | ^~~ |
| ]]) |
| |
| ]) |
| |
| ## --------------- ## |
| ## Unused values. ## |
| ## --------------- ## |
| |
| AT_SETUP([Unused values]) |
| AT_CHECK_UNUSED_VALUES |
| AT_CHECK_UNUSED_VALUES(, [1]) |
| AT_CLEANUP |
| |
| |
| ## ------------------------------------------ ## |
| ## Unused values before symbol declarations. ## |
| ## ------------------------------------------ ## |
| |
| AT_SETUP([Unused values before symbol declarations]) |
| AT_CHECK_UNUSED_VALUES([1]) |
| AT_CHECK_UNUSED_VALUES([1], [1]) |
| AT_CLEANUP |
| |
| |
| ## ------------------- ## |
| ## Symbol redeclared. ## |
| ## ------------------- ## |
| |
| AT_SETUP([Symbol redeclared]) |
| |
| AT_DATA([[input.y]], |
| [[%token FOO FOO |
| %token BAR 12 BAR 12 |
| %token EOF 0 EOF 0 |
| %% |
| exp: FOO BAR |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [0], [], |
| [[input.y:1.12-14: warning: symbol FOO redeclared [-Wother] |
| 1 | %token FOO FOO |
| | ^~~ |
| input.y:1.8-10: previous declaration |
| 1 | %token FOO FOO |
| | ^~~ |
| input.y:2.15-17: warning: symbol BAR redeclared [-Wother] |
| 2 | %token BAR 12 BAR 12 |
| | ^~~ |
| input.y:2.8-10: previous declaration |
| 2 | %token BAR 12 BAR 12 |
| | ^~~ |
| input.y:3.14-16: warning: symbol EOF redeclared [-Wother] |
| 3 | %token EOF 0 EOF 0 |
| | ^~~ |
| input.y:3.8-10: previous declaration |
| 3 | %token EOF 0 EOF 0 |
| | ^~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------------------- ## |
| ## Symbol class redefinition. ## |
| ## --------------------------- ## |
| |
| AT_SETUP([Symbol class redefinition]) |
| |
| AT_DATA([[input.y]], |
| [[%token FOO |
| %nterm FOO BAR |
| %token BAR |
| %nterm error // The token error cannot be redefined as an nterm. |
| %% |
| FOO: BAR |
| BAR: |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:2.8-10: error: symbol FOO redeclared as a nonterminal |
| 2 | %nterm FOO BAR |
| | ^~~ |
| input.y:1.8-10: previous definition |
| 1 | %token FOO |
| | ^~~ |
| input.y:3.8-10: error: symbol BAR redeclared as a token |
| 3 | %token BAR |
| | ^~~ |
| input.y:2.12-14: previous definition |
| 2 | %nterm FOO BAR |
| | ^~~ |
| input.y:4.8-12: error: symbol error redeclared as a nonterminal |
| 4 | %nterm error // The token error cannot be redefined as an nterm. |
| | ^~~~~ |
| input.y:6.1-3: error: rule given for FOO, which is a token |
| 6 | FOO: BAR |
| | ^~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------------------------------------- ## |
| ## Default %printer and %destructor redeclared. ## |
| ## --------------------------------------------- ## |
| |
| AT_SETUP([Default %printer and %destructor redeclared]) |
| |
| # AT_TEST([*]) |
| # ------------ |
| m4_pushdef([AT_TEST], |
| [AT_DATA([[input.y]], |
| [[%destructor { destroy ($$); } <$1> <$1> |
| %printer { print ($$); } <$1> <$1> |
| |
| %destructor { destroy ($$); } <$1> |
| %printer { print ($$); } <$1> |
| |
| %% |
| |
| start: %empty; |
| |
| %destructor { destroy ($$); } <$1>; |
| %printer { print ($$); } <$1>; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:1.13-29: error: %destructor redeclaration for <> |
| 1 | %destructor { destroy ($$); } <> <> |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:1.13-29: previous declaration |
| 1 | %destructor { destroy ($$); } <> <> |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:2.10-24: error: %printer redeclaration for <> |
| 2 | %printer { print ($$); } <> <> |
| | ^~~~~~~~~~~~~~~ |
| input.y:2.10-24: previous declaration |
| 2 | %printer { print ($$); } <> <> |
| | ^~~~~~~~~~~~~~~ |
| input.y:4.13-29: error: %destructor redeclaration for <> |
| 4 | %destructor { destroy ($$); } <> |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:1.13-29: previous declaration |
| 1 | %destructor { destroy ($$); } <> <> |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:5.10-24: error: %printer redeclaration for <> |
| 5 | %printer { print ($$); } <> |
| | ^~~~~~~~~~~~~~~ |
| input.y:2.10-24: previous declaration |
| 2 | %printer { print ($$); } <> <> |
| | ^~~~~~~~~~~~~~~ |
| input.y:11.13-29: error: %destructor redeclaration for <> |
| 11 | %destructor { destroy ($$); } <>; |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:1.13-29: previous declaration |
| 1 | %destructor { destroy ($$); } <> <> |
| | ^~~~~~~~~~~~~~~~~ |
| input.y:12.10-24: error: %printer redeclaration for <> |
| 12 | %printer { print ($$); } <>; |
| | ^~~~~~~~~~~~~~~ |
| input.y:2.10-24: previous declaration |
| 2 | %printer { print ($$); } <> <> |
| | ^~~~~~~~~~~~~~~ |
| ]]) |
| ]) |
| |
| AT_TEST([], [], []) |
| AT_TEST([], [*], [*]) |
| m4_popdef([AT_TEST]) |
| |
| AT_CLEANUP |
| |
| |
| ## ---------------------------------------------- ## |
| ## Per-type %printer and %destructor redeclared. ## |
| ## ---------------------------------------------- ## |
| |
| AT_SETUP([Per-type %printer and %destructor redeclared]) |
| |
| AT_DATA([[input.y]], |
| [[%destructor { destroy ($$); } <field1> <field2> |
| %printer { print ($$); } <field1> <field2> |
| |
| %destructor { destroy ($$); } <field1> <field1> |
| %printer { print ($$); } <field2> <field2> |
| |
| %% |
| |
| start: %empty; |
| |
| %destructor { destroy ($$); } <field2> <field1>; |
| %printer { print ($$); } <field2> <field1>; |
| ]]) |
| |
| AT_BISON_CHECK([input.y], [1], [], |
| [[input.y:4.13-29: error: %destructor redeclaration for <field1> |
| input.y:1.13-29: previous declaration |
| input.y:4.13-29: error: %destructor redeclaration for <field1> |
| input.y:1.13-29: previous declaration |
| input.y:5.10-24: error: %printer redeclaration for <field2> |
| input.y:2.10-24: previous declaration |
| input.y:5.10-24: error: %printer redeclaration for <field2> |
| input.y:2.10-24: previous declaration |
| input.y:11.13-29: error: %destructor redeclaration for <field2> |
| input.y:1.13-29: previous declaration |
| input.y:11.13-29: error: %destructor redeclaration for <field1> |
| input.y:1.13-29: previous declaration |
| input.y:12.10-24: error: %printer redeclaration for <field2> |
| input.y:2.10-24: previous declaration |
| input.y:12.10-24: error: %printer redeclaration for <field1> |
| input.y:2.10-24: previous declaration |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------- ## |
| ## Undefined symbols. ## |
| ## ------------------- ## |
| |
| AT_SETUP([Undefined symbols]) |
| |
| AT_DATA([[input.y]], |
| [[%printer {} foo baz |
| %destructor {} bar |
| %type <foo> qux |
| %% |
| exp: bar; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:1.13-15: warning: symbol 'foo' is used, but is not defined as a token and has no rules [-Wother] |
| 1 | %printer {} foo baz |
| | ^~~ |
| input.y:1.17-19: warning: symbol 'baz' is used, but is not defined as a token and has no rules [-Wother] |
| 1 | %printer {} foo baz |
| | ^~~ |
| input.y:2.16-18: error: symbol 'bar' is used, but is not defined as a token and has no rules |
| 2 | %destructor {} bar |
| | ^~~ |
| input.y:3.13-15: warning: symbol 'qux' is used, but is not defined as a token and has no rules [-Wother] |
| 3 | %type <foo> qux |
| | ^~~ |
| ]]) |
| |
| 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 <type1> tag1 |
| %type <type2> tag2 |
| |
| %printer { } <type1> <type3> |
| %destructor { } <type2> <type4> |
| |
| %% |
| |
| exp: tag1 { $1; } |
| | tag2 { $1; } |
| |
| tag2: "a" { $$; } |
| ]]) |
| |
| AT_BISON_CHECK([input.y], [0], [], |
| [[input.y:4.22-28: warning: type <type3> is used, but is not associated to any symbol [-Wother] |
| input.y:5.25-31: warning: type <type4> 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 <type1> token1 |
| %token <type2> token2 |
| %token <type3> token3 |
| %token <type4> token4 |
| %token <type5> token51 token52 |
| %token <type6> token61 token62 |
| %token <type7> token7 |
| |
| %printer {} token1 |
| %destructor {} token2 |
| %printer {} token51 |
| %destructor {} token61 |
| |
| %printer {} token7 |
| |
| %printer {} <type1> |
| %destructor {} <type2> |
| %printer {} <type3> |
| %destructor {} <type4> |
| |
| %printer {} <type5> |
| %destructor {} <type6> |
| |
| %destructor {} <type7> |
| |
| %% |
| exp: "a";]], |
| [[input.y:16.13-19: warning: useless %printer for type <type1> [-Wother] |
| input.y:17.16-22: warning: useless %destructor for type <type2> [-Wother]]]) |
| |
| # If everybody is typed, <> is useless. |
| AT_TEST([[%type <type> exp |
| %token <type> 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 |
| |
| |
| ## ---------------------------------------- ## |
| ## Unused values with default %destructor. ## |
| ## ---------------------------------------- ## |
| |
| AT_SETUP([Unused values with default %destructor]) |
| |
| AT_DATA([[input.y]], |
| [[%destructor { destroy ($$); } <> |
| %type <tag> tagged |
| |
| %% |
| |
| start: end end tagged tagged { $<tag>1; $3; } ; |
| end: { } ; |
| tagged: { } ; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [0], [], |
| [[input.y:6.8-45: warning: unset value: $$ [-Wother] |
| 6 | start: end end tagged tagged { $<tag>1; $3; } ; |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:6.12-14: warning: unused value: $2 [-Wother] |
| 6 | start: end end tagged tagged { $<tag>1; $3; } ; |
| | ^~~ |
| input.y:7.6-8: warning: unset value: $$ [-Wother] |
| 7 | end: { } ; |
| | ^~~ |
| ]]) |
| |
| AT_DATA([[input.y]], |
| [[%destructor { destroy ($$); } <*> |
| %type <tag> tagged |
| |
| %% |
| |
| start: end end tagged tagged { $<tag>1; $3; } ; |
| end: { } ; |
| tagged: { } ; |
| ]]) |
| |
| AT_BISON_CHECK([input.y], [0], [], |
| [[input.y:6.23-28: warning: unused value: $4 [-Wother] |
| input.y:8.9-11: warning: unset value: $$ [-Wother] |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ----------------------------------------- ## |
| ## Unused values with per-type %destructor. ## |
| ## ----------------------------------------- ## |
| |
| AT_SETUP([Unused values with per-type %destructor]) |
| |
| AT_DATA([[input.y]], |
| [[%destructor { destroy ($$); } <field1> |
| %type <field1> start end |
| |
| %% |
| |
| start: end end { $1; } ; |
| end: { } ; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [0], [], |
| [[input.y:6.8-22: warning: unset value: $$ [-Wother] |
| 6 | start: end end { $1; } ; |
| | ^~~~~~~~~~~~~~~ |
| input.y:6.12-14: warning: unused value: $2 [-Wother] |
| 6 | start: end end { $1; } ; |
| | ^~~ |
| input.y:7.6-8: warning: unset value: $$ [-Wother] |
| 7 | end: { } ; |
| | ^~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------ ## |
| ## Duplicate string. ## |
| ## ------------------ ## |
| |
| |
| AT_SETUP([Duplicate string]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA([input.y], |
| [[/* 'Bison -v' used to dump core when two tokens are defined with the same |
| string, as LE and GE below. */ |
| |
| %token NUM |
| %token LE "<=" |
| %token GE "<=" |
| |
| %% |
| exp: '(' exp ')' | NUM ; |
| %% |
| ]]) |
| AT_BISON_OPTION_POPDEFS |
| |
| AT_BISON_CHECK([-v -o input.c input.y], 0, [], |
| [[input.y:6.11-14: warning: symbol "<=" used more than once as a literal string [-Wother] |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------ ## |
| ## Token collisions. ## |
| ## ------------------ ## |
| |
| AT_SETUP([Token collisions]) |
| |
| AT_DATA([[input.y]], |
| [[%token FOO 42 "foo" |
| BAR 42 "foo" |
| %% |
| exp: FOO BAR; |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:2.17-21: warning: symbol "foo" used more than once as a literal string [-Wother] |
| 2 | BAR 42 "foo" |
| | ^~~~~ |
| input.y:2.10-12: error: user token number 42 redeclaration for BAR |
| 2 | BAR 42 "foo" |
| | ^~~ |
| input.y:1.15-19: previous declaration for "foo" |
| 1 | %token FOO 42 "foo" |
| | ^~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ---------------------- ## |
| ## Incompatible Aliases. ## |
| ## ---------------------- ## |
| |
| AT_SETUP([Incompatible Aliases]) |
| |
| m4_pushdef([AT_TEST], |
| [AT_DATA([input.y], [$1]) |
| AT_BISON_CHECK([-fcaret input.y], [1], [], [$2]) |
| ]) |
| |
| # Use the string-alias first to check the order between "first |
| # declaration" and second. |
| |
| AT_TEST([[%token foo "foo" |
| %type <bar> "foo" |
| %type <baz> foo |
| %% |
| exp: foo; |
| ]], |
| [[input.y:3.7-11: error: %type redeclaration for foo |
| 3 | %type <baz> foo |
| | ^~~~~ |
| input.y:2.7-11: previous declaration |
| 2 | %type <bar> "foo" |
| | ^~~~~ |
| ]]) |
| |
| AT_TEST([[%token foo "foo" |
| %printer {bar} "foo" |
| %printer {baz} foo |
| %% |
| exp: foo; |
| ]], |
| [[input.y:3.10-14: error: %printer redeclaration for foo |
| 3 | %printer {baz} foo |
| | ^~~~~ |
| input.y:2.10-14: previous declaration |
| 2 | %printer {bar} "foo" |
| | ^~~~~ |
| ]]) |
| |
| AT_TEST([[%token foo "foo" |
| %destructor {bar} "foo" |
| %destructor {baz} foo |
| %% |
| exp: foo; |
| ]], |
| [[input.y:3.13-17: error: %destructor redeclaration for foo |
| 3 | %destructor {baz} foo |
| | ^~~~~ |
| input.y:2.13-17: previous declaration |
| 2 | %destructor {bar} "foo" |
| | ^~~~~ |
| ]]) |
| |
| AT_TEST([[%token foo "foo" |
| %left "foo" |
| %left foo |
| %% |
| exp: foo; |
| ]], |
| [[input.y:3.1-5: error: %left redeclaration for foo |
| 3 | %left foo |
| | ^~~~~ |
| input.y:2.1-5: previous declaration |
| 2 | %left "foo" |
| | ^~~~~ |
| ]]) |
| |
| # This time, declare the alias after its use. |
| |
| # Precedence/associativity. |
| AT_TEST([[%left "foo" |
| %left foo |
| %token foo "foo" |
| %% |
| exp: foo; |
| ]], |
| [[input.y:2.1-5: error: %left redeclaration for foo |
| 2 | %left foo |
| | ^~~~~ |
| input.y:1.1-5: previous declaration |
| 1 | %left "foo" |
| | ^~~~~ |
| ]]) |
| |
| # Printer. |
| AT_TEST([[%printer {} "foo" |
| %printer {} foo |
| %token foo "foo" |
| %% |
| exp: foo; |
| ]], |
| [[input.y:2.10-11: error: %printer redeclaration for foo |
| 2 | %printer {} foo |
| | ^~ |
| input.y:1.10-11: previous declaration |
| 1 | %printer {} "foo" |
| | ^~ |
| ]]) |
| |
| # Destructor. |
| AT_TEST([[%destructor {} "foo" |
| %destructor {} foo |
| %token foo "foo" |
| %% |
| exp: foo; |
| ]], |
| [[input.y:2.13-14: error: %destructor redeclaration for foo |
| 2 | %destructor {} foo |
| | ^~ |
| input.y:1.13-14: previous declaration |
| 1 | %destructor {} "foo" |
| | ^~ |
| ]]) |
| |
| m4_popdef([AT_TEST]) |
| AT_CLEANUP |
| |
| |
| |
| ## ----------------------- ## |
| ## Torturing the Scanner. ## |
| ## ----------------------- ## |
| |
| # Be sure to compile and run, so that the C compiler checks what |
| # we do. |
| |
| AT_SETUP([Torturing the Scanner]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA([input.y], []) |
| AT_BISON_CHECK([input.y], [1], [], |
| [[input.y:1.1: error: syntax error, unexpected end of file |
| ]]) |
| |
| |
| AT_DATA([input.y], |
| [{} |
| ]) |
| AT_BISON_CHECK([-fcaret input.y], [1], [], |
| [[input.y:1.1-2: error: syntax error, unexpected {...} |
| 1 | {} |
| | ^~ |
| ]]) |
| |
| |
| AT_DATA_GRAMMAR([input.y], |
| [[%{ |
| /* This is seen in GCC: a %{ and %} in middle of a comment. */ |
| const char *foo = "So %{ and %} can be here too."; |
| |
| #if 0 |
| /* These examples test Bison while not stressing C compilers too much. |
| Many C compilers mishandle backslash-newlines, so this part of the |
| test is inside "#if 0". The comment and string are written so that |
| the "#endif" will be seen regardless of the C compiler bugs that we |
| know about, namely: |
| |
| HP C (as of late 2002) mishandles *\[newline]\[newline]/ within a |
| comment. |
| |
| The Apple Darwin compiler (as of late 2002) mishandles |
| \\[newline]' within a character constant. |
| |
| */ |
| |
| /\ |
| * A comment with backslash-newlines in it. %} *\ |
| \ |
| / |
| /* { Close the above comment, if the C compiler mishandled it. */ |
| |
| char str[] = "\\ |
| " A string with backslash-newlines in it %{ %} \\ |
| \ |
| ""; |
| |
| char apostrophe = '\''; |
| #endif |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| %} |
| /* %{ and %} can be here too. */ |
| |
| %{ |
| /* Exercise pre-prologue dependency to %union. */ |
| typedef int value; |
| %} |
| |
| /* Exercise M4 quoting: '@:>@@:>@', 0. */ |
| |
| /* Also exercise %union. */ |
| %union |
| { |
| value ival; /* A comment to exercise an old bug. */ |
| }; |
| |
| |
| /* Exercise post-prologue dependency to %union. */ |
| %{ |
| static YYSTYPE value_as_yystype (value val); |
| |
| /* Exercise quotes in declarations. */ |
| char quote[] = "@:>@@:>@,"; |
| %} |
| |
| %{ |
| ]AT_YYERROR_DECLARE[ |
| ]AT_YYLEX_DECLARE[ |
| %} |
| |
| %type <ival> '@<:@' |
| |
| /* Exercise quotes in strings. */ |
| %token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x1\1" |
| |
| %% |
| /* Exercise M4 quoting: '@:>@@:>@', @<:@, 1. */ |
| exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt |
| { |
| /* Exercise quotes in braces. */ |
| char tmp[] = "@<:@%c@:>@,\n"; |
| printf (tmp, $1); |
| } |
| ; |
| |
| two: '\x000000000000000000000000000000000000000000000000000000000000000000002'; |
| oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_'; |
| output.or.oline.opt: %empty;|oline;;|output;;; |
| output: '#' 'o' 'u' 't' 'p' 'u' 't' ' '; |
| %% |
| /* Exercise M4 quoting: '@:>@@:>@', @<:@, 2. */ |
| |
| static YYSTYPE |
| value_as_yystype (value val) |
| { |
| YYSTYPE res; |
| res.ival = val; |
| return res; |
| } |
| ]AT_YYERROR_DEFINE[ |
| static int |
| yylex (void) |
| { |
| static char const input[] = "@<:@\1\2$@{@oline@__@&t@oline__\ |
| #output "; /* " |
| */ |
| enum { input_elts = sizeof input }; |
| (void) input_elts; |
| static int toknum; |
| assert (0 <= toknum && toknum < input_elts); |
| yylval = value_as_yystype (input[toknum]); |
| return input[toknum++]; |
| } |
| ]]) |
| |
| # Pacify Emacs'font-lock-mode: " |
| |
| AT_DATA([main.c], |
| [[typedef int value; |
| #include "input.h" |
| |
| int yyparse (void); |
| ]AT_MAIN_DEFINE[ |
| ]]) |
| AT_BISON_OPTION_POPDEFS |
| |
| AT_BISON_CHECK([-d -v -o input.c input.y]) |
| AT_COMPILE([input.o]) |
| AT_COMPILE([main.o]) |
| AT_COMPILE([input], [input.o main.o]) |
| AT_PARSER_CHECK([input], 0, |
| [[[@<:@], |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ---------------------- ## |
| ## Typed symbol aliases. ## |
| ## ---------------------- ## |
| |
| AT_SETUP([Typed symbol aliases]) |
| |
| # Bison 2.0 broke typed symbol aliases - ensure they work. |
| AT_BISON_OPTION_PUSHDEFS |
| |
| AT_DATA_GRAMMAR([input.y], |
| [[%union |
| { |
| int val; |
| }; |
| %token <val> MY_TOKEN "MY TOKEN" |
| %type <val> exp |
| %% |
| exp: "MY TOKEN"; |
| %% |
| ]]) |
| |
| AT_BISON_CHECK([-o input.c input.y]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## --------- ## |
| ## Require. ## |
| ## --------- ## |
| |
| m4_define([AT_CHECK_REQUIRE], |
| [AT_SETUP([Require $1]) |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA_GRAMMAR([input.y], |
| [[%require "$1"; |
| %% |
| empty_file: %empty; |
| ]]) |
| AT_BISON_CHECK([-o input.c input.y], $2, [], ignore) |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| ]) |
| |
| AT_CHECK_REQUIRE(1.0, 0) |
| AT_CHECK_REQUIRE(AT_PACKAGE_VERSION, 0) |
| ## FIXME: Some day augment this version number. |
| AT_CHECK_REQUIRE(100.0, 63) |
| |
| |
| ## ------------------------------------- ## |
| ## String aliases for character tokens. ## |
| ## ------------------------------------- ## |
| |
| 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. |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA_GRAMMAR([input.y], |
| [[%token 'a' "a" |
| %% |
| start: 'a'; |
| %% |
| ]]) |
| |
| AT_BISON_CHECK([-o input.c input.y]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## -------------- ## |
| ## Symbol names. ## |
| ## -------------- ## |
| |
| 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 { |
| ]AT_YYERROR_DECLARE[ |
| ]AT_YYLEX_DECLARE[ |
| } |
| %% |
| 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"; |
| %% |
| ]AT_YYERROR_DEFINE[ |
| ]AT_YYLEX_DEFINE[ |
| ]]) |
| |
| # POSIX Yacc accept periods, but not dashes. |
| AT_BISON_CHECK([--yacc input.y], [], [], |
| [[input.y:1.1-5: warning: POSIX Yacc does not support %code [-Wyacc] |
| input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc] |
| input.y:10.21-34: warning: POSIX Yacc does not support string literals [-Wyacc] |
| input.y:12.23-38: warning: POSIX Yacc does not support string literals [-Wyacc] |
| input.y:13.1-5: warning: POSIX Yacc does not support %code [-Wyacc] |
| input.y:20.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc] |
| input.y:22.15-28: warning: POSIX Yacc does not support string literals [-Wyacc] |
| input.y:24.17-32: warning: POSIX Yacc does not support string literals [-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]) |
| |
| |
| # Periods are genuine letters, they can start identifiers. |
| # Digits and dashes cannot. |
| AT_DATA_GRAMMAR([input.y], |
| [[%token .GOOD |
| -GOOD |
| 1NV4L1D |
| -123 |
| %% |
| start: .GOOD GOOD |
| ]]) |
| AT_BISON_CHECK([-o input.c input.y], [1], [], |
| [[input.y:10.10: error: invalid character: '-' |
| input.y:11.10-16: error: invalid identifier: '1NV4L1D' |
| input.y:12.10: error: invalid character: '-' |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## ----------------- ## |
| ## Numbered tokens. ## |
| ## ----------------- ## |
| |
| AT_SETUP([Numbered tokens]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| 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: 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], |
| [[%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: error: integer out of range: '999999999999999999999' |
| too-large.y:9.22-42: error: user token number of TOO_LARGE_DEC too large |
| too-large.y:10.24-44: error: integer out of range: '0xFFFFFFFFFFFFFFFFFFF' |
| too-large.y:10.24-44: error: user token number of TOO_LARGE_HEX too large |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## --------------------- ## |
| ## Unclosed constructs. ## |
| ## --------------------- ## |
| |
| 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. |
| |
| AT_DATA([input.y], |
| [[%token A "a |
| %token B "b" |
| %token AB "ab" // Used to complain that "ab" was already used. |
| %token C '1 |
| %token TWO "2" |
| %token TICK_TWELVE "'12" // Used to complain that "'12" was already used. |
| |
| %% |
| |
| start: %empty; |
| |
| // Used to report a syntax error because it didn't see any kind of symbol |
| // identifier. |
| %type <f> 'a |
| ; |
| %type <f> "a |
| ; |
| // Used to report a syntax error because it didn't see braced code. |
| %destructor { free ($$) |
| ]]) |
| |
| AT_BISON_CHECK([-fcaret -o input.c input.y], 1, [], |
| [[input.y:1.10-2.0: error: missing '"' at end of line |
| 1 | %token A "a |
| | ^~ |
| input.y:4.10-5.0: error: missing "'" at end of line |
| 4 | %token C '1 |
| | ^~ |
| input.y:14.11-15.0: error: missing "'" at end of line |
| 14 | %type <f> 'a |
| | ^~ |
| input.y:16.11-17.0: error: missing '"' at end of line |
| 16 | %type <f> "a |
| | ^~ |
| input.y:19.13-20.0: error: missing '}' at end of file |
| 19 | %destructor { free ($$) |
| | ^~~~~~~~~~~ |
| input.y:20.1: error: syntax error, unexpected end of file |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------------- ## |
| ## %start after first rule. ## |
| ## ------------------------- ## |
| |
| AT_SETUP([%start after first rule]) |
| |
| # Bison once complained that a %start after the first rule was a |
| # redeclaration of the start symbol. |
| |
| AT_DATA([input.y], |
| [[%% |
| false_start: %empty; |
| start: false_start ; |
| %start start; |
| ]]) |
| |
| 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: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([input.y], [1], [], |
| [[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 [-Wother] |
| ]]) |
| |
| 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: %empty; |
| ]]) |
| 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], |
| [[%code q {} |
| %code bad {} |
| %code bad {} |
| %% |
| start: %empty; |
| ]]) |
| 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], |
| [[%code q {} |
| %code bad {} |
| %code q {} |
| %% |
| start: %empty; |
| ]]) |
| 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], |
| [[%code bad {} |
| %code q {} |
| %code q {} |
| %% |
| start: %empty; |
| ]]) |
| 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], |
| [[%code bad {} |
| %code q {} |
| %code q {} |
| %% |
| start: %empty; |
| ]]) |
| 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], |
| [[%code bad {} |
| %code q {} |
| %code q {} |
| %% |
| start: %empty; |
| ]]) |
| 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 |
| |
| |
| ## ---------------- ## |
| ## Multiple %code. ## |
| ## ---------------- ## |
| |
| AT_SETUP([Multiple %code]) |
| |
| # Make sure that repeated arguments to %code are separated by |
| # end-of-lines. At some point, a missing eol would leave synclines |
| # appended to the previous value. Here, we use CPP directive to |
| # introduce dependency on the absence/presence of the eol. |
| AT_BISON_OPTION_PUSHDEFS |
| |
| AT_DATA([input.y], |
| [[%code {#include <assert.h>} |
| %code {#define A B} |
| %code {#define B C} |
| %code {#define C D} |
| %code {#define D 42} |
| %code { |
| ]AT_YYERROR_DECLARE[ |
| ]AT_YYLEX_DECLARE[ |
| } |
| %% |
| start: %empty; |
| %% |
| ]AT_YYERROR_DEFINE[ |
| ]AT_YYLEX_DEFINE[ |
| int main (void) |
| { |
| assert (A == 42); |
| return 0; |
| } |
| ]]) |
| AT_FULL_COMPILE([input]) |
| AT_PARSER_CHECK([input]) |
| |
| AT_BISON_OPTION_POPDEFS |
| 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: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([[input-redefined.y]], [[1]], [], |
| [[input-redefined.y:2.1-20: warning: %define variable 'var' redefined [-Wother] |
| input-redefined.y:1.1-20: previous definition |
| input-redefined.y:3.2-21: error: %define variable 'var' redefined |
| input-redefined.y:2.1-20: previous definition |
| input-redefined.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_DATA([input-unused.y], |
| [[%define var "value" |
| %% |
| start: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([[input-unused.y]], [[1]], [], |
| [[input-unused.y:1.1-19: error: %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: %empty; |
| ]]) |
| AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \ |
| -Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \ |
| -Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \ |
| -Fvar-fd=cmd-f -Dvar-fd=cmd-d \ |
| --skeleton ./skel.c input.y]]) |
| AT_CHECK([[cat input.tab.c]], [[0]], |
| [[var-dd: cmd-d2 |
| var-ff: cmd-f2 |
| var-dfg: cmd-f |
| var-fd: cmd-d |
| ]]) |
| |
| AT_DATA([[input-dg.y]], |
| [[%define var "gram" |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [], |
| [[input-dg.y:1.1-18: error: %define variable 'var' redefined |
| <command line>:3: previous definition |
| input-dg.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_DATA([[input-dg.y]], |
| [[%define var "gram" |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-fcaret -Dvar=cmd-d input-dg.y]], [[1]], [], |
| [[input-dg.y:1.1-18: error: %define variable 'var' redefined |
| 1 | %define var "gram" |
| | ^~~~~~~~~~~~~~~~~~ |
| <command line>:4: previous definition |
| input-dg.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_DATA([[input-unused.y]], |
| [[%% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [], |
| [[<command line>:3: error: %define variable 'unused-d' is not used |
| <command line>:4: error: %define variable 'unused-f' is not used |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------------------- ## |
| ## %define Boolean variables. ## |
| ## --------------------------- ## |
| |
| AT_SETUP([["%define" Boolean variables]]) |
| |
| AT_DATA([Input.y], |
| [[%language "Java" |
| %define api.parser.class {Input} |
| %define api.parser.public {maybe} |
| %% |
| start: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([[Input.y]], [1], [], |
| [[Input.y:3.1-33: error: invalid value for %define Boolean variable 'api.parser.public' |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------------ ## |
| ## %define code variables. ## |
| ## ------------------------ ## |
| |
| AT_SETUP([["%define" code variables]]) |
| |
| m4_pushdef([AT_TEST], |
| [AT_DATA([input.yy], |
| [[%skeleton "lalr1.cc" %locations |
| %define api.location.type ]$1[quux]$2[ |
| %define api.namespace ]$1[quux]$2[ |
| %define api.prefix ]$1[quux]$2[ |
| %define api.token.prefix ]$1[quux]$2[ |
| %token TOK // Otherwise api.token.prefix is unused. |
| %% |
| start: TOK; |
| ]]) |
| |
| AT_BISON_CHECK([[input.yy]], [0], [], |
| [[input.yy:2.$3: warning: %define variable 'api.location.type' requires '{...}' values [-Wdeprecated] |
| input.yy:4.$3: warning: %define variable 'api.prefix' requires '{...}' values [-Wdeprecated] |
| input.yy:5.$3: warning: %define variable 'api.token.prefix' requires '{...}' values [-Wdeprecated] |
| input.yy:3.$3: warning: %define variable 'api.namespace' requires '{...}' values [-Wdeprecated] |
| ]]) |
| ]) |
| |
| AT_TEST([], [], [1-30]) |
| AT_TEST(["], ["], [1-32]) |
| m4_popdef([AT_TEST]) |
| |
| AT_CLEANUP |
| |
| |
| ## --------------------------- ## |
| ## %define keyword variables. ## |
| ## --------------------------- ## |
| |
| AT_SETUP([["%define" keyword variables]]) |
| |
| m4_pushdef([AT_TEST], |
| [AT_DATA([input.y], |
| [[%define api.pure ]$1[true]$2[ |
| %define api.push-pull ]$1[both]$2[ |
| %define lr.default-reduction ]$1[most]$2[ |
| %define lr.keep-unreachable-state ]$1[true]$2[ |
| %define lr.type ]$1[lalr]$2[ |
| %% |
| exp: %empty |
| ]]) |
| |
| AT_BISON_CHECK([[input.y]], [0], [], |
| [[input.y:5.1-40: warning: %define variable 'lr.type' requires keyword values [-Wdeprecated] |
| input.y:3.1-40: warning: %define variable 'lr.default-reduction' requires keyword values [-Wdeprecated] |
| input.y:4.1-40: warning: %define variable 'lr.keep-unreachable-state' requires keyword values [-Wdeprecated] |
| input.y:1.1-38: warning: %define variable 'api.pure' requires keyword values [-Wdeprecated] |
| input.y:2.1-40: warning: %define variable 'api.push-pull' requires keyword values [-Wdeprecated] |
| ]]) |
| ]) |
| |
| AT_TEST(["], ["]) |
| AT_TEST([{], [}]) |
| m4_popdef([AT_TEST]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------------ ## |
| ## %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-reduction bogus |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], |
| [[input.y:1.1-34: error: invalid value for %define variable 'lr.default-reduction': 'bogus' |
| 1 | %define lr.default-reduction bogus |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:1.1-34: accepted value: 'most' |
| input.y:1.1-34: accepted value: 'consistent' |
| input.y:1.1-34: accepted value: 'accepting' |
| ]]) |
| |
| # Back-end. |
| AT_DATA([[input.y]], |
| [[%define api.push-pull neither |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], |
| [[input.y:1.1-29: error: invalid value for %define variable 'api.push-pull': 'neither' |
| 1 | %define api.push-pull neither |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y:1.1-29: accepted value: 'pull' |
| input.y:1.1-29: accepted value: 'push' |
| input.y:1.1-29: accepted value: 'both' |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| |
| ## ------------------------ ## |
| ## %define file variables. ## |
| ## ------------------------ ## |
| |
| AT_SETUP([["%define" file variables]]) |
| |
| AT_DATA([[input.y]], |
| [[%skeleton "lalr1.cc" |
| %locations |
| %define api.location.file {bogus} |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], |
| [[input.y:3.1-33: error: %define variable 'api.location.file' requires 'none' or '"..."' values |
| 3 | %define api.location.file {bogus} |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## -------------------------------- ## |
| ## %define backward compatibility. ## |
| ## -------------------------------- ## |
| |
| AT_SETUP([["%define" backward compatibility]]) |
| |
| # The error messages tell us whether the variables are properly updated. |
| AT_DATA([[input.y]], |
| [[%define api.push_pull both |
| %define lr.keep_unreachable_states maybe |
| %define namespace "foo" |
| %define variant |
| %define parser_class_name {parser} |
| %% |
| start: %empty; |
| ]]) |
| AT_BISON_CHECK([[-fcaret input.y]], [1], [], |
| [[input.y:1.1-26: warning: deprecated directive: '%define api.push_pull both', use '%define api.push-pull both' [-Wdeprecated] |
| 1 | %define api.push_pull both |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~ |
| | %define api.push-pull both |
| input.y:2.1-40: warning: deprecated directive: '%define lr.keep_unreachable_states maybe', use '%define lr.keep-unreachable-state maybe' [-Wdeprecated] |
| 2 | %define lr.keep_unreachable_states maybe |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| | %define lr.keep-unreachable-state maybe |
| input.y:3.1-23: warning: deprecated directive: '%define namespace "foo"', use '%define api.namespace {foo}' [-Wdeprecated] |
| 3 | %define namespace "foo" |
| | ^~~~~~~~~~~~~~~~~~~~~~~ |
| | %define api.namespace {foo} |
| input.y:4.1-15: warning: deprecated directive: '%define variant', use '%define api.value.type variant' [-Wdeprecated] |
| 4 | %define variant |
| | ^~~~~~~~~~~~~~~ |
| | %define api.value.type variant |
| input.y:5.1-34: warning: deprecated directive: '%define parser_class_name {parser}', use '%define api.parser.class {parser}' [-Wdeprecated] |
| 5 | %define parser_class_name {parser} |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| | %define api.parser.class {parser} |
| input.y:2.1-40: error: invalid value for %define Boolean variable 'lr.keep-unreachable-state' |
| 2 | %define lr.keep_unreachable_states maybe |
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ------------------------- ## |
| ## Unused %define api.pure. ## |
| ## ------------------------- ## |
| |
| AT_SETUP([[Unused %define api.pure]]) |
| |
| # AT_TEST(DECLS, VALUE, LOCATION) |
| # ------------------------------- |
| # Make sure Bison reports that '%define api.pure VALUE' is unused when DECLS |
| # are specified. |
| m4_pushdef([AT_TEST], |
| [ |
| AT_DATA([[input.y]], |
| [[%define api.pure ]$2[ |
| ]$1[ |
| %% |
| start: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([[input.y]], [[1]], [], |
| [[input.y:]$3[: error: %define variable 'api.pure' is not used |
| ]]) |
| ]) |
| |
| AT_TEST([[%language "c++"]], [[]], [[1.1-16]]) |
| AT_TEST([[%language "c++"]], [[false]], [[1.1-22]]) |
| AT_TEST([[%language "c++" %glr-parser]], [[""]], [[1.1-19]]) |
| AT_TEST([[%language "c++" %glr-parser]], [[false]], [[1.1-22]]) |
| AT_TEST([[%language "java"]], [[true]], [[1.1-21]]) |
| AT_TEST([[%language "java"]], [[false]], [[1.1-22]]) |
| |
| m4_popdef([AT_TEST]) |
| |
| 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 {]$1[} |
| %% |
| start: %empty; |
| ]]) |
| |
| AT_BISON_CHECK([[input.y]], [1], [], |
| [m4_foreach([b4_arg], m4_dquote(m4_shift($@)), |
| [b4_arg |
| ])]) |
| ]) |
| |
| AT_CHECK_NAMESPACE_ERROR([[]], |
| [[input.y:3.1-24: error: namespace reference is empty]]) |
| AT_CHECK_NAMESPACE_ERROR([[ @tb@@tb@ @tb@ @tb@]], |
| [[input.y:3.1-57: error: namespace reference is empty]]) |
| AT_CHECK_NAMESPACE_ERROR([[foo::::bar]], |
| [[input.y:3.1-34: error: namespace reference has consecutive "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[foo:: @tb@::bar]], |
| [[input.y:3.1-38: error: namespace reference has consecutive "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[::::bar]], |
| [[input.y:3.1-31: error: namespace reference has consecutive "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[:: ::bar]], |
| [[input.y:3.1-32: error: namespace reference has consecutive "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[foo::bar::@tb@::]], |
| [[input.y:3.1-43: error: namespace reference has consecutive "::"]], |
| [[input.y:3.1-43: error: namespace reference has a trailing "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[foo::bar::]], |
| [[input.y:3.1-34: error: namespace reference has a trailing "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[foo::bar:: @tb@]], |
| [[input.y:3.1-41: error: namespace reference has a trailing "::"]]) |
| AT_CHECK_NAMESPACE_ERROR([[::]], |
| [[input.y:3.1-26: 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. |
| |
| AT_SETUP([[Bad character literals]]) |
| |
| AT_DATA_NO_FINAL_EOL([empty.y], |
| [[%% |
| start: ''; |
| start: ' |
| start: ']]) |
| |
| AT_BISON_CHECK([-fcaret empty.y], [1], [], |
| [[empty.y:2.8-9: warning: empty character literal [-Wother] |
| 2 | start: ''; |
| | ^~ |
| empty.y:3.8-4.0: error: missing "'" at end of line |
| 3 | start: ' |
| | ^ |
| empty.y:3.8-4.0: warning: empty character literal [-Wother] |
| 3 | start: ' |
| | ^ |
| empty.y:4.8: error: missing "'" at end of file |
| 4 | start: ' |
| | ^ |
| empty.y:4.8: warning: empty character literal [-Wother] |
| 4 | start: ' |
| | ^ |
| ]]) |
| |
| AT_DATA_NO_FINAL_EOL([two.y], |
| [[%% |
| start: 'ab'; |
| start: 'ab |
| start: 'ab]]) |
| |
| AT_BISON_CHECK([two.y], [1], [], |
| [[two.y:2.8-11: warning: extra characters in character literal [-Wother] |
| two.y:3.8-4.0: error: missing "'" at end of line |
| two.y:3.8-4.0: warning: extra characters in character literal [-Wother] |
| two.y:4.8-10: error: missing "'" at end of file |
| two.y:4.8-10: warning: extra characters in character literal [-Wother] |
| ]]) |
| |
| AT_DATA_NO_FINAL_EOL([three.y], |
| [[%% |
| start: 'abc'; |
| start: 'abc |
| start: 'abc]]) |
| |
| AT_BISON_CHECK([three.y], [1], [], |
| [[three.y:2.8-12: warning: extra characters in character literal [-Wother] |
| three.y:3.8-4.0: error: missing "'" at end of line |
| three.y:3.8-4.0: warning: extra characters in character literal [-Wother] |
| three.y:4.8-11: error: missing "'" at end of file |
| three.y:4.8-11: warning: extra characters in character literal [-Wother] |
| ]]) |
| |
| 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_PERL_REQUIRE([[-e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y]]) |
| |
| 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 [-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 |
| |
| |
| ## ------------------------- ## |
| ## LAC: Errors for %define. ## |
| ## ------------------------- ## |
| |
| AT_SETUP([[LAC: Errors for %define]]) |
| AT_KEYWORDS([lac]) |
| |
| AT_DATA([[input.y]], |
| [[%% |
| start: %empty; |
| ]]) |
| |
| # parse.lac.* options are useless if LAC isn't actually activated. |
| AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]], |
| [[1]], [], |
| [[<command line>:3: error: %define variable 'parse.lac.es-capacity-initial' is not used |
| ]]) |
| AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]], |
| [[1]], [], |
| [[<command line>:3: error: %define variable 'parse.lac.memory-trace' is not used |
| ]]) |
| |
| # parse.lac.* options are useless in C++ even if LAC isn't actually activated. |
| AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 -L C++ -Dparse.lac input.y]], |
| [[1]], [], |
| [[<command line>:3: error: %define variable 'parse.lac.es-capacity-initial' is not used |
| ]]) |
| AT_BISON_CHECK([[-Dparse.lac.memory-trace=full -L C++ -Dparse.lac input.y]], |
| [[1]], [], |
| [[<command line>:3: error: %define variable 'parse.lac.memory-trace' is not used |
| ]]) |
| |
| AT_CLEANUP |
| |
| |
| ## ---------------------- ## |
| ## -Werror combinations. ## |
| ## ---------------------- ## |
| |
| AT_SETUP([[-Werror combinations]]) |
| |
| AT_DATA([[input.y]], |
| [[%% |
| a: '0' { $$ = $; }; |
| ]]) |
| |
| # -Werror is not enabled by -Wall or equivalent. |
| AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]], |
| [[input.y:2.15: warning: stray '$' [-Wother] |
| ]]) |
| AT_BISON_CHECK([[-W input.y]], [[0]], [[]], |
| [[input.y:2.15: warning: stray '$' [-Wother] |
| ]]) |
| AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]], |
| [[input.y:2.15: warning: stray '$' [-Wother] |
| ]]) |
| |
| # -Werror is not disabled by -Wnone or equivalent. |
| AT_BISON_CHECK([[-Werror,none,other input.y]], [[1]], [[]], |
| [[input.y:2.15: error: stray '$' [-Werror=other] |
| ]]) |
| AT_BISON_CHECK([[-Werror,no-all,other input.y]], [[1]], [[]], |
| [[input.y:2.15: error: stray '$' [-Werror=other] |
| ]]) |
| |
| # Check that -Wno-error keeps warnings enabled, but non fatal. |
| AT_BISON_CHECK([[-Werror -Wno-error=other input.y]], [[0]], [[]], |
| [[input.y:2.15: warning: stray '$' [-Wother] |
| ]]) |
| |
| AT_BISON_CHECK([[-Wno-error=other -Werror input.y]], [[0]], [[]], |
| [[input.y:2.15: warning: stray '$' [-Wother] |
| ]]) |
| |
| AT_BISON_CHECK([[-Werror=other -Wno-other input.y]], [[0]], [[]], |
| [[]]) |
| |
| 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: %empty; |
| ]]) |
| AT_BISON_CHECK([[$2 -Wno-deprecated 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:1.1-24]) |
| AT_TEST([], [-Dapi.prefix={foo} -p bar], [<command line>:3]) |
| AT_TEST([%name-prefix "bar"], [-Dapi.prefix={foo}], [<command line>:3]) |
| AT_TEST([%define api.prefix {foo}], [-p bar], [input.y:1.1-24]) |
| |
| m4_popdef([AT_TEST]) |
| |
| AT_CLEANUP |
| |
| |
| ## ----------------------- ## |
| ## Redefined %union name. ## |
| ## ----------------------- ## |
| |
| AT_SETUP([[Redefined %union name]]) |
| |
| # AT_TEST(DIRECTIVES, EXIT-STATUS, ERROR) |
| # --------------------------------------- |
| m4_pushdef([AT_TEST], |
| [AT_DATA([[input.y]], |
| [$1 |
| %% |
| exp: %empty; |
| ]) |
| |
| AT_BISON_CHECK([[input.y]], [$2], [[]], |
| [$3]) |
| ]) |
| |
| AT_TEST([[%union foo {}; |
| %union {}; |
| %union foo {}; |
| %define api.value.union.name foo]], |
| [0], |
| [[input.y:3.8-10: warning: %define variable 'api.value.union.name' redefined [-Wother] |
| input.y:1.8-10: previous definition |
| input.y:4.1-32: warning: %define variable 'api.value.union.name' redefined [-Wother] |
| input.y:3.8-10: previous definition |
| input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_TEST([[%define api.value.union.name {foo}]], [1], |
| [[input.y:1.1-34: error: %define variable 'api.value.union.name' requires keyword values |
| input.y:1.1-34: error: %define variable 'api.value.union.name' is not used |
| ]]) |
| |
| AT_TEST([[%define api.value.union.name "foo"]], [1], |
| [[input.y:1.1-34: error: %define variable 'api.value.union.name' requires keyword values |
| input.y:1.1-34: error: %define variable 'api.value.union.name' is not used |
| ]]) |
| |
| m4_popdef([AT_TEST]) |
| AT_CLEANUP |
| |
| |
| |
| |
| ## -------------- ## |
| ## Stray $ or @. ## |
| ## -------------- ## |
| |
| AT_SETUP([[Stray $ or @]]) |
| AT_BISON_OPTION_PUSHDEFS |
| |
| # 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 <TYPE> exp |
| %token <TYPE> TOK TOK2 |
| %destructor { $%; @%; } <*> exp TOK; |
| %initial-action { $%; @%; }; |
| %printer { $%; @%; } <*> exp TOK; |
| %{ $ @ %} // Should not warn. |
| %% |
| exp: TOK { $%; @%; $$ = $1; }; |
| %% |
| $ @ // Should not warn. |
| ]]) |
| |
| AT_BISON_CHECK([[-Wall 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 '$' [-Wother] |
| input.y:13.23: warning: stray '@' [-Wother] |
| input.y:16.19: warning: stray '$' [-Wother] |
| input.y:16.23: warning: stray '@' [-Wother] |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| 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_BISON_OPTION_PUSHDEFS |
| 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 = "output.c" |
| %pure_parser |
| %token_table |
| %error-verbose |
| %glr-parser |
| %name-prefix "bar" |
| %% |
| exp : '0' |
| ]]) |
| |
| AT_DATA([errors-all], |
| [[input.y:10.1-13: warning: deprecated directive: '%default_prec', use '%default-prec' [-Wdeprecated] |
| fix-it:"input.y":{10:1-10:14}:"%default-prec" |
| input.y:11.1-14: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated] |
| fix-it:"input.y":{11:1-11:15}:"%define parse.error verbose" |
| input.y:12.1-10: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated] |
| fix-it:"input.y":{12:1-12:11}:"%expect-rr" |
| input.y:13.1-14: warning: deprecated directive: '%file-prefix =', use '%file-prefix' [-Wdeprecated] |
| fix-it:"input.y":{13:1-13:15}:"%file-prefix" |
| input.y:14.1-16.5: warning: duplicate directive: '%file-prefix\n =' [-Wother] |
| input.y:13.1-20: previous declaration |
| fix-it:"input.y":{14:1-16:6}:"" |
| input.y:17.9-27: warning: deprecated directive: '%fixed-output_files', use '%output "y.tab.c"' [-Wdeprecated] |
| fix-it:"input.y":{17:2-17:21}:"%output \"y.tab.c\"" |
| input.y:18.9-27: warning: deprecated directive: '%fixed_output-files', use '%output "y.tab.c"' [-Wdeprecated] |
| fix-it:"input.y":{18:9-18:28}:"%output \"y.tab.c\"" |
| input.y:19.1-19: warning: deprecated directive: '%fixed-output-files', use '%output "y.tab.c"' [-Wdeprecated] |
| fix-it:"input.y":{19:1-19:20}:"%output \"y.tab.c\"" |
| input.y:20.1-19: warning: deprecated directive: '%name-prefix= "foo"', use '%define api.prefix {foo}' [-Wdeprecated] |
| fix-it:"input.y":{20:1-20:20}:"%define api.prefix {foo}" |
| input.y:21.1-16: warning: deprecated directive: '%no-default_prec', use '%no-default-prec' [-Wdeprecated] |
| fix-it:"input.y":{21:1-21:17}:"%no-default-prec" |
| input.y:22.1-16: warning: deprecated directive: '%no_default-prec', use '%no-default-prec' [-Wdeprecated] |
| fix-it:"input.y":{22:1-22:17}:"%no-default-prec" |
| input.y:23.1-9: warning: deprecated directive: '%no_lines', use '%no-lines' [-Wdeprecated] |
| fix-it:"input.y":{23:1-23:10}:"%no-lines" |
| input.y:24.1-9: warning: deprecated directive: '%output =', use '%output' [-Wdeprecated] |
| fix-it:"input.y":{24:1-24:10}:"%output" |
| input.y:25.1-12: warning: deprecated directive: '%pure_parser', use '%define api.pure' [-Wdeprecated] |
| fix-it:"input.y":{25:1-25:13}:"%define api.pure" |
| input.y:26.1-12: warning: deprecated directive: '%token_table', use '%token-table' [-Wdeprecated] |
| fix-it:"input.y":{26:1-26:13}:"%token-table" |
| input.y:27.1-14: warning: %define variable 'parse.error' redefined [-Wother] |
| input.y:11.1-14: previous definition |
| fix-it:"input.y":{27:1-27:15}:"" |
| input.y:29.1-18: warning: duplicate directive: '%name-prefix "bar"' [-Wother] |
| input.y:13.1-20: previous declaration |
| fix-it:"input.y":{29:1-29:19}:"" |
| input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_CHECK([cp errors-all experr]) |
| AT_BISON_CHECK([[-ffixit input.y]], [], [], [experr]) |
| |
| AT_CHECK([[sed -e '/^fix-it:/d' errors-all >experr]]) |
| AT_BISON_CHECK([[input.y]], [], [], [experr]) |
| |
| |
| # Update the input file. Make sure we generated nothing. |
| AT_CHECK([rm -f output.c]) |
| AT_CHECK([cp input.y input.y.orig]) |
| AT_CHECK([sed -e '/fix-it/d' <errors-all >experr]) |
| AT_CHECK([echo "bison: file 'input.y' was updated (backup: 'input.y~')" >>experr]) |
| AT_BISON_CHECK([[--update input.y]], [], [[]], [experr]) |
| |
| # Check the backup. |
| AT_CHECK([diff input.y.orig input.y~]) |
| |
| # Check we did not generate any file. |
| AT_CHECK([test ! -f output.c]) |
| |
| # Check the update. |
| AT_CHECK([sed -e '1,8d' input.y], [], |
| [[ |
| %default-prec |
| %define parse.error verbose |
| %expect-rr 0 |
| %file-prefix "foo" |
| %output "y.tab.c" |
| %output "y.tab.c" |
| %output "y.tab.c" |
| %define api.prefix {foo} |
| %no-default-prec |
| %no-default-prec |
| %no-lines |
| %output "output.c" |
| %define api.pure |
| %token-table |
| %glr-parser |
| %% |
| exp : '0' |
| ]]) |
| |
| AT_BISON_CHECK([[input.y]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## ---------------------------- ## |
| ## Unput's effect on locations. ## |
| ## ---------------------------- ## |
| |
| # When the scanner detects a deprecated construct, it unputs the |
| # correct version, but it should *not* have any impact on the scanner |
| # cursor. If it does, the locations of directives on the same line |
| # become erroneous. |
| |
| AT_SETUP([[Unput's effect on locations]]) |
| |
| AT_KEYWORDS([[deprec]]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| 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: %define variable 'parse.error' redefined [-Wother] |
| input.y:13.1-14: previous definition |
| input.y:14.16-29: warning: %define variable 'parse.error' redefined [-Wother] |
| input.y:13.16-29: previous definition |
| input.y: error: reduce/reduce conflicts: 0 found, 42 expected |
| input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## -------------------------- ## |
| ## Non-deprecated directives. ## |
| ## -------------------------- ## |
| |
| AT_SETUP([[Non-deprecated directives]]) |
| |
| AT_KEYWORDS([[deprec]]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA_GRAMMAR([[input.y]], |
| [[ |
| %default-prec |
| %define parse.error verbose |
| %expect-rr 42 |
| %file-prefix "foo" |
| %file-prefix |
| "bar" |
| %no-default-prec |
| %no-lines |
| %output "foo" |
| %token-table |
| %% exp : '0' |
| ]]) |
| |
| AT_BISON_CHECK([[input.y]], [[0]], [[]], |
| [[input.y:14.1-15.5: warning: duplicate directive: '%file-prefix' [-Wother] |
| input.y:13.1-18: previous declaration |
| input.y: warning: %expect-rr applies only to GLR parsers [-Wother] |
| input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother] |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| ## -------------------- ## |
| ## Cannot type action. ## |
| ## -------------------- ## |
| |
| AT_SETUP([[Cannot type action]]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA_GRAMMAR([[input.y]], |
| [[%% |
| exp: <int> {} |
| ]]) |
| |
| AT_BISON_CHECK([[-fcaret input.y]], [[0]], [[]], |
| [[input.y:10.6-13: warning: only midrule actions can be typed: int [-Wother] |
| 10 | exp: <int> {} |
| | ^~~~~~~~ |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |
| |
| |
| |
| ## -------------------------------------- ## |
| ## Character literals and api.token.raw. ## |
| ## -------------------------------------- ## |
| |
| AT_SETUP([[Character literals and api.token.raw]]) |
| |
| AT_BISON_OPTION_PUSHDEFS |
| AT_DATA_GRAMMAR([[input.y]], |
| [[%define api.token.raw |
| %token 'a' |
| %% |
| exp: 'b' "c" {} |
| ]]) |
| |
| AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]], |
| [[input.y:10.8-10: error: character literals cannot be used together with api.token.raw |
| 10 | %token 'a' |
| | ^~~ |
| input.y:9.1-21: definition of api.token.raw |
| 9 | %define api.token.raw |
| | ^~~~~~~~~~~~~~~~~~~~~ |
| input.y:12.6-8: error: character literals cannot be used together with api.token.raw |
| 12 | exp: 'b' "c" {} |
| | ^~~ |
| input.y:9.1-21: definition of api.token.raw |
| 9 | %define api.token.raw |
| | ^~~~~~~~~~~~~~~~~~~~~ |
| ]]) |
| |
| AT_BISON_OPTION_POPDEFS |
| AT_CLEANUP |