tests/skeletons.at

   1 # Checking skeleton support.                     -*- Autotest -*-
   2
   3 # Copyright (C) 2007, 2009-2012 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([[Skeleton Support.]])
  19
  20 ## ------------------------------ ##
  21 ## Relative skeleton file names.  ##
  22 ## ------------------------------ ##
  23
  24 AT_SETUP([[Relative skeleton file names]])
  25
  26 AT_CHECK([[mkdir tmp]])
  27
  28 AT_DATA([[tmp/skel.c]],
  29 [[m4@&t@_divert_push(0)d@&t@nl
  30 @output(b4_parser_file_name@)d@&t@nl
  31 b4_percent_define_get([[test]])
  32 m4@&t@_divert_pop(0)
  33 ]])
  34
  35 AT_DATA([[skel.c]],
  36 [[m4@&t@_divert_push(0)d@&t@nl
  37 @output(b4_parser_file_name@)d@&t@nl
  38 b4_percent_define_get([[test]]) -- Local
  39 m4@&t@_divert_pop(0)
  40 ]])
  41
  42 AT_DATA([[tmp/input-gram.y]],
  43 [[%skeleton "./skel.c"
  44 %define test "Hello World"
  45 %%
  46 start: ;
  47 ]])
  48
  49 AT_DATA([[input-gram.y]],
  50 [[%skeleton "./skel.c"
  51 %define test "Hello World"
  52 %%
  53 start: ;
  54 ]])
  55
  56 AT_DATA([[tmp/input-cmd-line.y]],
  57 [[%define test "Hello World"
  58 %%
  59 start: ;
  60 ]])
  61
  62 AT_BISON_CHECK([[tmp/input-gram.y]])
  63 AT_CHECK([[cat input-gram.tab.c]], [[0]],
  64 [[Hello World
  65 ]])
  66
  67 AT_BISON_CHECK([[input-gram.y]])
  68 AT_CHECK([[cat input-gram.tab.c]], [[0]],
  69 [[Hello World -- Local
  70 ]])
  71
  72 AT_BISON_CHECK([[--skeleton=tmp/skel.c tmp/input-cmd-line.y]])
  73 AT_CHECK([[cat input-cmd-line.tab.c]], [[0]],
  74 [[Hello World
  75 ]])
  76
  77 AT_CLEANUP
  78
  79
  80 ## ------------------------------- ##
  81 ## Installed skeleton file names.  ##
  82 ## ------------------------------- ##
  83
  84 AT_SETUP([[Installed skeleton file names]])
  85
  86 m4_pushdef([AT_GRAM],
  87 [[%{
  88   #include <stdio.h>
  89   void yyerror (char const *msg);
  90   int yylex (void);
  91 %}
  92
  93 %error-verbose
  94 %token 'a'
  95
  96 %%
  97
  98 start: ;
  99
 100 %%
 101
 102 void
 103 yyerror (char const *msg)
 104 {
 105   fprintf (stderr, "%s\n", msg);
 106 }
 107
 108 int
 109 yylex (void)
 110 {
 111   return 'a';
 112 }
 113
 114 int
 115 main (void)
 116 {
 117   return yyparse ();
 118 }
 119 ]])
 120
 121 AT_DATA([[input-cmd-line.y]],
 122 [AT_GRAM])
 123
 124 AT_DATA([[input-gram.y]],
 125 [[%skeleton "yacc.c"]
 126 AT_GRAM])
 127
 128 AT_BISON_CHECK([[--skeleton=yacc.c -o input-cmd-line.c input-cmd-line.y]])
 129 AT_COMPILE([[input-cmd-line]])
 130 AT_PARSER_CHECK([[./input-cmd-line]], [[1]], [],
 131 [[syntax error, unexpected 'a', expecting $end
 132 ]])
 133
 134 AT_BISON_CHECK([[-o input-gram.c input-gram.y]])
 135 AT_COMPILE([[input-gram]])
 136 AT_PARSER_CHECK([[./input-gram]], [[1]], [],
 137 [[syntax error, unexpected 'a', expecting $end
 138 ]])
 139
 140 m4_popdef([AT_GRAM])
 141
 142 AT_CLEANUP
 143
 144
 145 ## ------------------------------------------------------ ##
 146 ## %define Boolean variables: invalid skeleton defaults.  ##
 147 ## ------------------------------------------------------ ##
 148
 149 AT_SETUP([[%define Boolean variables: invalid skeleton defaults]])
 150
 151 AT_DATA([[skel.c]],
 152 [[b4_percent_define_default([[foo]], [[bogus value]])
 153 b4_percent_define_flag_if([[foo]])
 154 ]])
 155
 156 AT_DATA([[input.y]],
 157 [[%skeleton "./skel.c"
 158 %%
 159 start: ;
 160 ]])
 161
 162 AT_BISON_CHECK([[input.y]], [[1]], [[]],
 163 [[<skeleton default value>: invalid value for %define Boolean variable 'foo'
 164 ]])
 165
 166 AT_CLEANUP
 167
 168
 169 ## --------------------------------------------- ##
 170 ## Complaining during macro argument expansion.  ##
 171 ## --------------------------------------------- ##
 172
 173 AT_SETUP([[Complaining during macro argument expansion]])
 174
 175 AT_DATA([[skel1.c]],
 176 [[m4@&t@_define([foow], [b4_warn([[foow fubar]])])
 177 m4@&t@_define([foowat], [b4_warn_at([[foow.y:2.3]],
 178                                     [[foow.y:5.4]], [[foowat fubar]])])
 179 m4@&t@_define([fooc], [b4_complain([[fooc fubar]])])
 180 m4@&t@_define([foocat], [b4_complain_at([[fooc.y:1.1]],
 181                                         [[fooc.y:10.6]], [[foocat fubar]])])
 182 m4@&t@_define([foof], [b4_fatal([[foof fubar]])])
 183 m4@&t@_if(foow, [1], [yes])
 184 m4@&t@_if(foowat, [1], [yes])
 185 m4@&t@_if(fooc, [1], [yes])
 186 m4@&t@_if(foocat, [1], [yes])
 187 m4@&t@_if(foof, [1], [yes])
 188 ]])
 189
 190 AT_DATA([[input1.y]],
 191 [[%skeleton "./skel1.c"
 192 %%
 193 start: ;
 194 ]])
 195
 196 AT_BISON_CHECK([[input1.y]], [[1]], [[]],
 197 [[input1.y: warning: foow fubar
 198 foow.y:2.3-5.3: warning: foowat fubar
 199 input1.y: fooc fubar
 200 fooc.y:1.1-10.5: foocat fubar
 201 input1.y: fatal error: foof fubar
 202 ]])
 203
 204 AT_DATA([[skel2.c]],
 205 [[m4@&t@_define([foofat], [b4_fatal_at([[foof.y:12.11]],
 206                                        [[foof.y:100.123]], [[foofat fubar]])])
 207 m4@&t@_if(foofat, [1], [yes])
 208 ]])
 209
 210 AT_DATA([[input2.y]],
 211 [[%skeleton "./skel2.c"
 212 %%
 213 start: ;
 214 ]])
 215
 216 AT_BISON_CHECK([[input2.y]], [[1]], [[]],
 217 [[foof.y:12.11-100.122: fatal error: foofat fubar
 218 ]])
 219
 220 AT_DATA([[skel3.c]],
 221 [[b4_complain_at(b4_percent_define_get_loc([[bogus]]), [[bad value]])
 222 ]])
 223
 224 AT_DATA([[input3.y]],
 225 [[%skeleton "./skel3.c"
 226 %%
 227 start: ;
 228 ]])
 229
 230 AT_BISON_CHECK([[input3.y]], [[1]], [[]],
 231 [[input3.y: fatal error: undefined %define variable 'bogus' passed to b4_percent_define_get_loc
 232 ]])
 233
 234 AT_DATA([[skel4.c]],
 235 [[b4_warn_at(b4_percent_define_get_syncline([[bogus]]), [[bad value]])
 236 ]])
 237
 238 AT_DATA([[input4.y]],
 239 [[%skeleton "./skel4.c"
 240 %%
 241 start: ;
 242 ]])
 243
 244 AT_BISON_CHECK([[input4.y]], [[1]], [[]],
 245 [[input4.y: fatal error: undefined %define variable 'bogus' passed to b4_percent_define_get_syncline
 246 ]])
 247
 248 AT_CLEANUP
 249
 250
 251 ## --------------------------------------- ##
 252 ## Fatal errors make M4 exit immediately.  ##
 253 ## --------------------------------------- ##
 254
 255 AT_SETUP([[Fatal errors make M4 exit immediately]])
 256
 257 AT_DATA([[skel1.c]],
 258 [[b4_complain([[non-fatal error]])
 259 b4_fatal([[M4 should exit immediately here]])
 260 m4@&t@_fatal([this should never be evaluated])
 261 ]])
 262
 263 AT_DATA([[input1.y]],
 264 [[%skeleton "./skel1.c"
 265 %%
 266 start: ;
 267 ]])
 268
 269 AT_BISON_CHECK([[input1.y]], [[1]], [[]],
 270 [[input1.y: non-fatal error
 271 input1.y: fatal error: M4 should exit immediately here
 272 ]])
 273
 274 AT_DATA([[skel2.c]],
 275 [[b4_warn([[morning]])
 276 b4_fatal_at([[foo.y:1.5]], [[foo.y:1.7]], [[M4 should exit immediately here]])
 277 m4@&t@_fatal([this should never be evaluated])
 278 ]])
 279
 280 AT_DATA([[input2.y]],
 281 [[%skeleton "./skel2.c"
 282 %%
 283 start: ;
 284 ]])
 285
 286 AT_BISON_CHECK([[input2.y]], [[1]], [[]],
 287 [[input2.y: warning: morning
 288 foo.y:1.5-6: fatal error: M4 should exit immediately here
 289 ]])
 290
 291 AT_CLEANUP
 292
 293
 294 ## ------------------------------------------------ ##
 295 ## Fatal errors but M4 continues producing output.  ##
 296 ## ------------------------------------------------ ##
 297
 298 # At one time, if Bison encountered a fatal error during M4 processing,
 299 # Bison failed to drain M4's output pipe.  The result was a SIGPIPE.
 300 # On some platforms, the default disposition for SIGPIPE is terminate,
 301 # which was fine.  On others, it's ignore, which caused M4 to report
 302 # the broken pipe to the user, but we don't want to bother the user with
 303 # that.
 304
 305 # There is a race condition somewhere.  That is, before the associated
 306 # fix, running this test group many times in a row would occasionally
 307 # produce a pass among all the failures.
 308
 309 AT_SETUP([[Fatal errors but M4 continues producing output]])
 310
 311 AT_DATA([[gen-skel.pl]],
 312 [[use warnings;
 313 use strict;
 314 my $M4 = "m4";
 315 my $DNL = "d"."nl";
 316 print "${M4}_divert_push(0)$DNL\n";
 317 print '@output(@,@)', "\n";
 318 (print "garbage"x10, "\n") for (1..1000);
 319 print "${M4}_divert_pop(0)\n";
 320 ]])
 321 AT_CHECK([[perl gen-skel.pl > skel.c || exit 77]])
 322
 323 AT_DATA([[input.y]],
 324 [[%skeleton "./skel.c"
 325 %%
 326 start: ;
 327 ]])
 328
 329 AT_BISON_CHECK([[input.y]], [[1]], [[]],
 330 [[input.y: fatal error: too many arguments for @output directive in skeleton
 331 ]])
 332
 333 AT_CLEANUP