| 1 | # Checking Push Parsing. -*- Autotest -*- |
| 2 | |
| 3 | # Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc. |
| 4 | |
| 5 | # This program is free software: you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation, either version 3 of the License, or |
| 8 | # (at your option) any later version. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License |
| 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | AT_BANNER([[Push Parsing Tests]]) |
| 19 | |
| 20 | ## -------------------------------- ## |
| 21 | ## Memory Leak for Early Deletion. ## |
| 22 | ## -------------------------------- ## |
| 23 | |
| 24 | AT_SETUP([[Memory Leak for Early Deletion]]) |
| 25 | |
| 26 | # Requires Valgrind. |
| 27 | AT_BISON_OPTION_PUSHDEFS |
| 28 | AT_DATA_GRAMMAR([[input.y]], |
| 29 | [[ |
| 30 | %{ |
| 31 | #include <assert.h> |
| 32 | #include <stdio.h> |
| 33 | #define YYINITDEPTH 1 |
| 34 | ]AT_YYERROR_DECLARE[ |
| 35 | %} |
| 36 | |
| 37 | %define api.pure |
| 38 | %define api.push-pull push |
| 39 | |
| 40 | %% |
| 41 | |
| 42 | start: 'a' 'b' 'c' ; |
| 43 | |
| 44 | %% |
| 45 | |
| 46 | ]AT_YYERROR_DEFINE[ |
| 47 | |
| 48 | int |
| 49 | main (void) |
| 50 | { |
| 51 | yypstate *ps; |
| 52 | |
| 53 | /* Make sure we don't try to free ps->yyss in this case. */ |
| 54 | ps = yypstate_new (); |
| 55 | yypstate_delete (ps); |
| 56 | |
| 57 | /* yypstate_delete used to leak ps->yyss if the stack was reallocated but the |
| 58 | parse did not return on success, syntax error, or memory exhaustion. */ |
| 59 | ps = yypstate_new (); |
| 60 | assert (yypush_parse (ps, 'a', YY_NULL) == YYPUSH_MORE); |
| 61 | yypstate_delete (ps); |
| 62 | |
| 63 | ps = yypstate_new (); |
| 64 | assert (yypush_parse (ps, 'a', YY_NULL) == YYPUSH_MORE); |
| 65 | assert (yypush_parse (ps, 'b', YY_NULL) == YYPUSH_MORE); |
| 66 | yypstate_delete (ps); |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | ]]) |
| 71 | AT_BISON_OPTION_POPDEFS |
| 72 | |
| 73 | AT_BISON_CHECK([[-o input.c input.y]]) |
| 74 | AT_COMPILE([[input]]) |
| 75 | AT_PARSER_CHECK([[./input]]) |
| 76 | |
| 77 | AT_CLEANUP |
| 78 | |
| 79 | ## --------------------------- ## |
| 80 | ## Multiple impure instances. ## |
| 81 | ## --------------------------- ## |
| 82 | |
| 83 | AT_SETUP([[Multiple impure instances]]) |
| 84 | |
| 85 | m4_pushdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK], [ |
| 86 | AT_BISON_OPTION_PUSHDEFS([%define api.push-pull $1]) |
| 87 | AT_DATA_GRAMMAR([[input.y]], |
| 88 | [[ |
| 89 | %{ |
| 90 | #include <assert.h> |
| 91 | #include <stdio.h> |
| 92 | ]AT_YYERROR_DECLARE[ |
| 93 | ]m4_if([$1], [[both]], [AT_YYLEX_DECLARE([])])[ |
| 94 | %} |
| 95 | |
| 96 | %define api.push-pull ]$1[ |
| 97 | |
| 98 | %% |
| 99 | |
| 100 | start: ; |
| 101 | |
| 102 | %% |
| 103 | ]AT_YYERROR_DEFINE[ |
| 104 | ]m4_if([$1], [[both]], [AT_YYLEX_DEFINE])[ |
| 105 | |
| 106 | int |
| 107 | main (void) |
| 108 | { |
| 109 | int i; |
| 110 | for (i = 0; i < 2; ++i) |
| 111 | { |
| 112 | yypstate *ps = yypstate_new (); |
| 113 | assert (ps); |
| 114 | assert (yypstate_new () == YY_NULL); |
| 115 | ]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[; |
| 116 | yychar = 0; |
| 117 | assert (yypush_parse (ps) == 0); |
| 118 | assert (yypstate_new () == YY_NULL); |
| 119 | ]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[; |
| 120 | yypstate_delete (ps); |
| 121 | } |
| 122 | |
| 123 | return 0; |
| 124 | } |
| 125 | ]]) |
| 126 | |
| 127 | AT_BISON_CHECK([[-o input.c input.y]]) |
| 128 | AT_COMPILE([[input]]) |
| 129 | AT_PARSER_CHECK([[./input]]) |
| 130 | AT_BISON_OPTION_POPDEFS |
| 131 | ]) |
| 132 | |
| 133 | AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[both]]) |
| 134 | AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[push]]) |
| 135 | |
| 136 | m4_popdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK]) |
| 137 | |
| 138 | AT_CLEANUP |
| 139 | |
| 140 | ## ----------------------- ## |
| 141 | ## Unsupported Skeletons. ## |
| 142 | ## ----------------------- ## |
| 143 | |
| 144 | AT_SETUP([[Unsupported Skeletons]]) |
| 145 | |
| 146 | AT_BISON_OPTION_PUSHDEFS |
| 147 | AT_DATA([[input.y]], |
| 148 | [[%glr-parser |
| 149 | %define api.push-pull push |
| 150 | %% |
| 151 | start: ; |
| 152 | ]]) |
| 153 | AT_BISON_OPTION_POPDEFS |
| 154 | |
| 155 | AT_BISON_CHECK([[input.y]], [[1]], [], |
| 156 | [[input.y:2.9-21: error: %define variable 'api.push-pull' is not used |
| 157 | ]]) |
| 158 | |
| 159 | AT_CLEANUP |