tests/output.at

   1 # Checking the output filenames.                    -*- Autotest -*-
   2
   3 # Copyright (C) 2000-2002, 2005-2013 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([[Output file names.]])
  19
  20
  21 # AT_CHECK_OUTPUT(INPUT-FILE, [DIRECTIVES], [FLAGS], EXPECTED-FILES, [SHELLIO],
  22 #                 [ADDITIONAL-TESTS], [PRE-TESTS])
  23 # -----------------------------------------------------------------------------
  24 m4_define([AT_CHECK_OUTPUT],
  25 [AT_SETUP([[Output files: ]$2 $3 $5])[
  26 ]$7[
  27 for file in ]$1 $4[; do
  28   case $file in
  29     */*) mkdir -p `echo "$file" | sed 's,/[^/]*,,'`;;
  30   esac
  31 done
  32 ]AT_DATA([$1],
  33 [$2[
  34 %%
  35 foo: {};
  36 ]])[
  37
  38 ]AT_BISON_CHECK([$3 $1 $5], 0)[
  39 # Ignore the files non-generated files
  40 ]AT_CHECK([find . -type f -and -not -path './$1' -and -not -path './testsuite.log' |
  41            sed 's,\./,,' |
  42            sort |
  43            xargs echo],
  44           [], [$4
  45 ])[
  46 ]$6[
  47 ]AT_CLEANUP[
  48 ]])
  49
  50 AT_CHECK_OUTPUT([foo.y], [], [-dv],
  51                 [foo.output foo.tab.c foo.tab.h])
  52
  53 # Some versions of Valgrind (at least valgrind-3.6.0.SVN-Debian) report
  54 # "fgrep: write error: Bad file descriptor" when stdout is closed, so we
  55 # skip this test group during maintainer-check-valgrind.
  56 AT_CHECK_OUTPUT([foo.y], [], [-dv],
  57                 [foo.output foo.tab.c foo.tab.h],
  58                 [>&-], [],
  59                 [AT_CHECK([[case "$PREBISON" in *valgrind*) exit 77;; esac]])])
  60
  61 AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.c],
  62                 [foo.c foo.h foo.output])
  63 AT_CHECK_OUTPUT([foo.y], [], [-dv -o foo.tab.c],
  64                 [foo.output foo.tab.c foo.tab.h])
  65
  66 AT_CHECK_OUTPUT([foo.y], [], [-dv -g --xml -y],
  67                 [y.dot y.output y.tab.c y.tab.h y.xml])
  68 # With '-o y.tab.c', we expect 'y.output' etc. (for compatility with Yacc).
  69 AT_CHECK_OUTPUT([foo.y], [], [-dv -g --xml -o y.tab.c],
  70                 [y.dot y.output y.tab.c y.tab.h y.xml])
  71
  72 AT_CHECK_OUTPUT([foo.y], [], [-dv -b bar],
  73                 [bar.output bar.tab.c bar.tab.h])
  74 AT_CHECK_OUTPUT([foo.y], [], [-dv -g -o foo.c],
  75                 [foo.c foo.dot foo.h foo.output])
  76
  77
  78 AT_CHECK_OUTPUT([foo.y], [%defines %verbose],      [],
  79                 [foo.output foo.tab.c foo.tab.h])
  80 AT_CHECK_OUTPUT([foo.y], [%defines %verbose %yacc],[],
  81                 [y.output y.tab.c y.tab.h])
  82
  83 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[],
  84                 [y.output y.tab.c y.tab.h])
  85
  86 # Exercise %output and %file-prefix including deprecated '='
  87 AT_CHECK_OUTPUT([foo.y], [%file-prefix "bar" %defines %verbose],      [],
  88                 [bar.output bar.tab.c bar.tab.h])
  89 AT_CHECK_OUTPUT([foo.y], [%output "bar.c" %defines %verbose %yacc],[],
  90                 [bar.c bar.h bar.output])
  91 AT_CHECK_OUTPUT([foo.y],
  92                 [%file-prefix "baz" %output "bar.c" %defines %verbose %yacc],
  93                 [],
  94                 [bar.c bar.h bar.output])
  95
  96
  97 # Check priorities of extension control.
  98 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose], [],
  99                 [foo.output foo.tab.cc foo.tab.hh])
 100
 101 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose ], [-o foo.c],
 102                 [foo.c foo.h foo.output])
 103
 104 AT_CHECK_OUTPUT([foo.yy], [],
 105                 [--defines=foo.hpp -o foo.c++],
 106                 [foo.c++ foo.hpp])
 107
 108 AT_CHECK_OUTPUT([foo.yy], [%defines "foo.hpp"],
 109                 [-o foo.c++],
 110                 [foo.c++ foo.hpp])
 111
 112 AT_CHECK_OUTPUT([foo.yy], [],
 113                 [-o foo.c++ --graph=foo.gph],
 114                 [foo.c++ foo.gph])
 115
 116
 117 ## ------------ ##
 118 ## C++ output.  ##
 119 ## ------------ ##
 120
 121 m4_define([AT_CHECK_NO_SUBDIR_PART],
 122 [# Also make sure that the includes do not refer to the subdirectory.
 123 AT_CHECK([grep 'include .subdir/' $1.cc], 1, [])
 124 AT_CHECK([grep 'include .subdir/' $1.hh], 1, [])
 125 ])
 126
 127 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose], [],
 128                 [foo.output foo.tab.cc])
 129
 130 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
 131                 [foo.output foo.tab.cc foo.tab.hh stack.hh])
 132
 133 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose %locations], [],
 134                 [foo.output foo.tab.cc])
 135
 136 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose %locations], [],
 137                 [foo.output foo.tab.cc foo.tab.hh location.hh position.hh stack.hh])
 138
 139 AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
 140                 [foo.output foo.tab.cc foo.tab.hh stack.hh],
 141                 [], [AT_CHECK_NO_SUBDIR_PART([foo.tab])])
 142
 143 AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose %locations],
 144                 [-o subdir/foo.cc],
 145                 [subdir/foo.cc subdir/foo.hh subdir/foo.output subdir/location.hh subdir/position.hh subdir/stack.hh],
 146                 [], [AT_CHECK_NO_SUBDIR_PART([subdir/foo])])
 147
 148 AT_CHECK_OUTPUT([gram_dir/foo.yy],
 149                 [%skeleton "lalr1.cc" %defines %verbose %file-prefix "output_dir/foo"],
 150                 [],
 151                 [output_dir/foo.output output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/stack.hh])
 152
 153 AT_CHECK_OUTPUT([gram_dir/foo.yy],
 154                 [%skeleton "lalr1.cc" %defines %locations %verbose %file-prefix "output_dir/foo"],
 155                 [],
 156                 [output_dir/foo.output output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/location.hh output_dir/position.hh output_dir/stack.hh])
 157
 158
 159 # AT_CHECK_CONFLICTING_OUTPUT(INPUT-FILE, DIRECTIVES, FLAGS, STDERR,
 160 #                             [EXIT-STATUS])
 161 # ------------------------------------------------------------------
 162 m4_define([AT_CHECK_CONFLICTING_OUTPUT],
 163 [AT_SETUP([Conflicting output files: $2 $3])
 164 case "$1" in
 165   */*) mkdir `echo "$1" | sed 's,/.*,,'`;;
 166 esac
 167 AT_DATA([$1],
 168 [[$2
 169 %%
 170 foo: {};
 171 ]])
 172
 173 [cp ]$1[ expout]
 174 # Because an output file name conflict is still a warning, Bison exits
 175 # with status 0, so AT_BISON_CHECK does not realize that there may be no
 176 # output file against which to check the XML.  AT_BISON_CHECK_NO_XML
 177 # avoids that problem.
 178 AT_BISON_CHECK_NO_XML([$3 $1], $5, [], [$4])
 179 AT_CHECK([[cat $1]], [[0]], [expout])
 180 AT_CLEANUP
 181 ])
 182
 183 AT_CHECK_CONFLICTING_OUTPUT([foo.y],
 184 [], [--graph="foo.tab.c"],
 185 [[foo.y: warning: conflicting outputs to file 'foo.tab.c' [-Wother]
 186 ]])
 187
 188 AT_CHECK_CONFLICTING_OUTPUT([foo.y],
 189 [%defines "foo.output"], [-v],
 190 [[foo.y: warning: conflicting outputs to file 'foo.output' [-Wother]
 191 ]])
 192
 193 AT_CHECK_CONFLICTING_OUTPUT([foo.y],
 194 [%skeleton "lalr1.cc" %defines %locations], [--graph="location.hh"],
 195 [[foo.y: warning: conflicting outputs to file 'location.hh' [-Wother]
 196 ]])
 197
 198 AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
 199 [[foo.y: error: refusing to overwrite the input file 'foo.y'
 200 ]], 1)
 201
 202
 203 # AT_CHECK_OUTPUT_FILE_NAME(FILE-NAME-PREFIX, [ADDITIONAL-TESTS])
 204 # ---------------------------------------------------------------
 205 m4_define([AT_CHECK_OUTPUT_FILE_NAME],
 206 [AT_SETUP([Output file name: $1])
 207
 208 AT_BISON_OPTION_PUSHDEFS
 209 # Skip if platform doesn't support file name.  For example, Cygwin
 210 # doesn't support file names containing ":" or "\".
 211 AT_CHECK([[touch "]AS_ESCAPE([$1[.tmp]])[" || exit 77]])
 212
 213 AT_DATA_GRAMMAR([glr.y],
 214 [[%glr-parser
 215 %code {
 216 ]AT_YYERROR_DECLARE_EXTERN[
 217 ]AT_YYLEX_DECLARE_EXTERN[
 218 }
 219 %%
 220 start: {};
 221 ]])
 222 AT_BISON_CHECK([-o "AS_ESCAPE([$1.c])" --defines="AS_ESCAPE([$1.h])" glr.y])
 223 AT_CHECK([ls "AS_ESCAPE([$1.c])" "AS_ESCAPE([$1.h])"], [], [ignore])
 224 AT_COMPILE([glr.o], [-c "AS_ESCAPE([$1.c])"])
 225 $2
 226
 227 AT_DATA_GRAMMAR([cxx.y],
 228 [[%skeleton "lalr1.cc"
 229 %code { int yylex (yy::parser::semantic_type*); }
 230 %%
 231 start: {};
 232 ]])
 233 AT_BISON_CHECK([-o "AS_ESCAPE([$1.cc])" --defines="AS_ESCAPE([$1.hh])" cxx.y])
 234 AT_CHECK([ls "AS_ESCAPE([$1.cc])" "AS_ESCAPE([$1.hh])"], [], [ignore])
 235 AT_COMPILE_CXX([cxx.o], [-c "AS_ESCAPE([$1.cc])"])
 236 $2
 237
 238 AT_BISON_OPTION_POPDEFS
 239 AT_CLEANUP
 240 ])
 241
 242 # Notice that the header file name here cannot contain
 243 # '"' since FILENAME in '#include "FILENAME"' cannot.
 244 AT_CHECK_OUTPUT_FILE_NAME([[`~!@#$%^&*()-=_+{}[]|\:;<>, .']])
 245 dnl Work around a bug in m4_expand that broke AT_SETUP in autoconf 2.62,
 246 dnl by using the definition from 2.63.
 247 m4_version_prereq([2.63], [],
 248 [m4_define([m4_expand], [_$0(-=<{($1)}>=-)])
 249 m4_define([_m4_expand],
 250 [m4_changequote([-=<{(], [)}>=-])$1m4_changequote([, ])])])
 251 AT_CHECK_OUTPUT_FILE_NAME([[(]])
 252 AT_CHECK_OUTPUT_FILE_NAME([[)]])
 253 AT_CHECK_OUTPUT_FILE_NAME([[@%:@]])
 254 AT_CHECK_OUTPUT_FILE_NAME([[@@]])
 255 AT_CHECK_OUTPUT_FILE_NAME([[@{]])
 256 AT_CHECK_OUTPUT_FILE_NAME([[@}]])
 257 AT_CHECK_OUTPUT_FILE_NAME([[@<:@]])
 258 AT_CHECK_OUTPUT_FILE_NAME([[@:>@]])
 259
 260
 261 # AT_TEST(SETUP-NAME, GRAMMAR, DOT-BODY)
 262 # --------------------------------------
 263 # Check that the DOT graph for GRAMMAR is DOT-BODY.
 264 m4_pushdef([AT_TEST],
 265 [AT_SETUP([$1])
 266 AT_KEYWORDS([[graph]])
 267 AT_DATA([[input.y]], [$2])
 268 AT_BISON_CHECK([[-rall --graph input.y]], [0], [[]], [[ignore]])
 269 AT_CHECK([[grep -v // input.dot]], [0],
 270 [[
 271 digraph "input.y"
 272 {
 273   node [fontname = courier, shape = box, colorscheme = paired6]
 274   edge [fontname = courier]
 275   ]$3[}
 276 ]])
 277 AT_CLEANUP
 278 ])
 279
 280
 281 ## ------------------------ ##
 282 ## Graph with no conflicts. ##
 283 ## ------------------------ ##
 284
 285 AT_TEST([Graph with no conflicts],
 286 [[%%
 287 exp: a '?' b;
 288 a: ;
 289 b: 'b';
 290 ]],
 291 [[
 292   0 [label="State 0\n\l  0 $accept: . exp $end\l  1 exp: . a '?' b\l  2 a: .\l"]
 293   0 -> 1 [style=dashed label="exp"]
 294   0 -> 2 [style=dashed label="a"]
 295   0 -> "0R2" [style=solid]
 296  "0R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
 297   1 [label="State 1\n\l  0 $accept: exp . $end\l"]
 298   1 -> 3 [style=solid label="$end"]
 299   2 [label="State 2\n\l  1 exp: a . '?' b\l"]
 300   2 -> 4 [style=solid label="'?'"]
 301   3 [label="State 3\n\l  0 $accept: exp $end .\l"]
 302   3 -> "3R0" [style=solid]
 303  "3R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 304   4 [label="State 4\n\l  1 exp: a '?' . b\l  3 b: . 'b'\l"]
 305   4 -> 5 [style=solid label="'b'"]
 306   4 -> 6 [style=dashed label="b"]
 307   5 [label="State 5\n\l  3 b: 'b' .\l"]
 308   5 -> "5R3" [style=solid]
 309  "5R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 310   6 [label="State 6\n\l  1 exp: a '?' b .\l"]
 311   6 -> "6R1" [style=solid]
 312  "6R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
 313 ]])
 314
 315 ## ------------------------ ##
 316 ## Graph with unsolved S/R. ##
 317 ## ------------------------ ##
 318
 319 AT_TEST([Graph with unsolved S/R],
 320 [[%%
 321 start:
 322     'a'
 323   | empty_a 'a'
 324   | 'b'
 325   | empty_b 'b'
 326   | 'c'
 327   | empty_c 'c'
 328   ;
 329 empty_a: %prec 'a';
 330 empty_b: %prec 'b';
 331 empty_c: %prec 'c';
 332 ]],
 333 [[
 334   0 [label="State 0\n\l  0 $accept: . start $end\l  1 start: . 'a'\l  2      | . empty_a 'a'\l  3      | . 'b'\l  4      | . empty_b 'b'\l  5      | . 'c'\l  6      | . empty_c 'c'\l  7 empty_a: .  ['a']\l  8 empty_b: .  ['b']\l  9 empty_c: .  ['c']\l"]
 335   0 -> 1 [style=solid label="'a'"]
 336   0 -> 2 [style=solid label="'b'"]
 337   0 -> 3 [style=solid label="'c'"]
 338   0 -> 4 [style=dashed label="start"]
 339   0 -> 5 [style=dashed label="empty_a"]
 340   0 -> 6 [style=dashed label="empty_b"]
 341   0 -> 7 [style=dashed label="empty_c"]
 342   0 -> "0R7d" [label="['a']", style=solid]
 343  "0R7d" [label="R7", fillcolor=5, shape=diamond, style=filled]
 344   0 -> "0R8d" [label="['b']", style=solid]
 345  "0R8d" [label="R8", fillcolor=5, shape=diamond, style=filled]
 346   0 -> "0R9d" [label="['c']", style=solid]
 347  "0R9d" [label="R9", fillcolor=5, shape=diamond, style=filled]
 348   1 [label="State 1\n\l  1 start: 'a' .\l"]
 349   1 -> "1R1" [style=solid]
 350  "1R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
 351   2 [label="State 2\n\l  3 start: 'b' .\l"]
 352   2 -> "2R3" [style=solid]
 353  "2R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 354   3 [label="State 3\n\l  5 start: 'c' .\l"]
 355   3 -> "3R5" [style=solid]
 356  "3R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
 357   4 [label="State 4\n\l  0 $accept: start . $end\l"]
 358   4 -> 8 [style=solid label="$end"]
 359   5 [label="State 5\n\l  2 start: empty_a . 'a'\l"]
 360   5 -> 9 [style=solid label="'a'"]
 361   6 [label="State 6\n\l  4 start: empty_b . 'b'\l"]
 362   6 -> 10 [style=solid label="'b'"]
 363   7 [label="State 7\n\l  6 start: empty_c . 'c'\l"]
 364   7 -> 11 [style=solid label="'c'"]
 365   8 [label="State 8\n\l  0 $accept: start $end .\l"]
 366   8 -> "8R0" [style=solid]
 367  "8R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 368   9 [label="State 9\n\l  2 start: empty_a 'a' .\l"]
 369   9 -> "9R2" [style=solid]
 370  "9R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
 371   10 [label="State 10\n\l  4 start: empty_b 'b' .\l"]
 372   10 -> "10R4" [style=solid]
 373  "10R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
 374   11 [label="State 11\n\l  6 start: empty_c 'c' .\l"]
 375   11 -> "11R6" [style=solid]
 376  "11R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
 377 ]])
 378
 379 ## ---------------------- ##
 380 ## Graph with solved S/R. ##
 381 ## ---------------------- ##
 382
 383 AT_TEST([Graph with solved S/R],
 384 [[%left 'a'
 385 %right 'b'
 386 %right 'c'
 387 %%
 388 start:
 389     'a'
 390   | empty_a 'a'
 391   | 'b'
 392   | empty_b 'b'
 393   | 'c'
 394   | empty_c 'c'
 395   ;
 396 empty_a: %prec 'a';
 397 empty_b: %prec 'b';
 398 empty_c: %prec 'c';
 399 ]],
 400 [[
 401   0 [label="State 0\n\l  0 $accept: . start $end\l  1 start: . 'a'\l  2      | . empty_a 'a'\l  3      | . 'b'\l  4      | . empty_b 'b'\l  5      | . 'c'\l  6      | . empty_c 'c'\l  7 empty_a: .  ['a']\l  8 empty_b: .  []\l  9 empty_c: .  []\l"]
 402   0 -> 1 [style=solid label="'b'"]
 403   0 -> 2 [style=solid label="'c'"]
 404   0 -> 3 [style=dashed label="start"]
 405   0 -> 4 [style=dashed label="empty_a"]
 406   0 -> 5 [style=dashed label="empty_b"]
 407   0 -> 6 [style=dashed label="empty_c"]
 408   0 -> "0R7" [style=solid]
 409  "0R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
 410   1 [label="State 1\n\l  3 start: 'b' .\l"]
 411   1 -> "1R3" [style=solid]
 412  "1R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 413   2 [label="State 2\n\l  5 start: 'c' .\l"]
 414   2 -> "2R5" [style=solid]
 415  "2R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
 416   3 [label="State 3\n\l  0 $accept: start . $end\l"]
 417   3 -> 7 [style=solid label="$end"]
 418   4 [label="State 4\n\l  2 start: empty_a . 'a'\l"]
 419   4 -> 8 [style=solid label="'a'"]
 420   5 [label="State 5\n\l  4 start: empty_b . 'b'\l"]
 421   5 -> 9 [style=solid label="'b'"]
 422   6 [label="State 6\n\l  6 start: empty_c . 'c'\l"]
 423   6 -> 10 [style=solid label="'c'"]
 424   7 [label="State 7\n\l  0 $accept: start $end .\l"]
 425   7 -> "7R0" [style=solid]
 426  "7R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 427   8 [label="State 8\n\l  2 start: empty_a 'a' .\l"]
 428   8 -> "8R2" [style=solid]
 429  "8R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
 430   9 [label="State 9\n\l  4 start: empty_b 'b' .\l"]
 431   9 -> "9R4" [style=solid]
 432  "9R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
 433   10 [label="State 10\n\l  6 start: empty_c 'c' .\l"]
 434   10 -> "10R6" [style=solid]
 435  "10R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
 436 ]])
 437
 438 ## ---------------- ##
 439 ## Graph with  R/R. ##
 440 ## ---------------- ##
 441
 442 AT_TEST([Graph with R/R],
 443 [[%%
 444 exp: a | b;
 445 a: ;
 446 b: ;
 447 ]],
 448 [[
 449   0 [label="State 0\n\l  0 $accept: . exp $end\l  1 exp: . a\l  2    | . b\l  3 a: .  [$end]\l  4 b: .  [$end]\l"]
 450   0 -> 1 [style=dashed label="exp"]
 451   0 -> 2 [style=dashed label="a"]
 452   0 -> 3 [style=dashed label="b"]
 453   0 -> "0R3" [style=solid]
 454  "0R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 455   0 -> "0R4d" [label="[$end]", style=solid]
 456  "0R4d" [label="R4", fillcolor=5, shape=diamond, style=filled]
 457   1 [label="State 1\n\l  0 $accept: exp . $end\l"]
 458   1 -> 4 [style=solid label="$end"]
 459   2 [label="State 2\n\l  1 exp: a .\l"]
 460   2 -> "2R1" [style=solid]
 461  "2R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
 462   3 [label="State 3\n\l  2 exp: b .\l"]
 463   3 -> "3R2" [style=solid]
 464  "3R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
 465   4 [label="State 4\n\l  0 $accept: exp $end .\l"]
 466   4 -> "4R0" [style=solid]
 467  "4R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 468 ]])
 469
 470 ## ---------------------------------------- ##
 471 ## Graph with reductions with multiple LAT. ##
 472 ## ---------------------------------------- ##
 473
 474 AT_TEST([Graph with reductions with multiple LAT],
 475 [[%%
 476 exp: a ';' | a ';' | a '.' | b '?' | b '!' | c '?' | c ';';
 477 a: ;
 478 b: ;
 479 c: ;
 480 ]],
 481 [[
 482   0 [label="State 0\n\l  0 $accept: . exp $end\l  1 exp: . a ';'\l  2    | . a ';'\l  3    | . a '.'\l  4    | . b '?'\l  5    | . b '!'\l  6    | . c '?'\l  7    | . c ';'\l  8 a: .  [';', '.']\l  9 b: .  ['?', '!']\l 10 c: .  [';', '?']\l"]
 483   0 -> 1 [style=dashed label="exp"]
 484   0 -> 2 [style=dashed label="a"]
 485   0 -> 3 [style=dashed label="b"]
 486   0 -> 4 [style=dashed label="c"]
 487   0 -> "0R8" [style=solid]
 488  "0R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
 489   0 -> "0R9" [label="['?', '!']", style=solid]
 490  "0R9" [label="R9", fillcolor=3, shape=diamond, style=filled]
 491   0 -> "0R10d" [label="[';', '?']", style=solid]
 492  "0R10d" [label="R10", fillcolor=5, shape=diamond, style=filled]
 493   1 [label="State 1\n\l  0 $accept: exp . $end\l"]
 494   1 -> 5 [style=solid label="$end"]
 495   2 [label="State 2\n\l  1 exp: a . ';'\l  2    | a . ';'\l  3    | a . '.'\l"]
 496   2 -> 6 [style=solid label="';'"]
 497   2 -> 7 [style=solid label="'.'"]
 498   3 [label="State 3\n\l  4 exp: b . '?'\l  5    | b . '!'\l"]
 499   3 -> 8 [style=solid label="'?'"]
 500   3 -> 9 [style=solid label="'!'"]
 501   4 [label="State 4\n\l  6 exp: c . '?'\l  7    | c . ';'\l"]
 502   4 -> 10 [style=solid label="';'"]
 503   4 -> 11 [style=solid label="'?'"]
 504   5 [label="State 5\n\l  0 $accept: exp $end .\l"]
 505   5 -> "5R0" [style=solid]
 506  "5R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 507   6 [label="State 6\n\l  1 exp: a ';' .  [$end]\l  2    | a ';' .  [$end]\l"]
 508   6 -> "6R1" [style=solid]
 509  "6R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
 510   6 -> "6R2d" [label="[$end]", style=solid]
 511  "6R2d" [label="R2", fillcolor=5, shape=diamond, style=filled]
 512   7 [label="State 7\n\l  3 exp: a '.' .\l"]
 513   7 -> "7R3" [style=solid]
 514  "7R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 515   8 [label="State 8\n\l  4 exp: b '?' .\l"]
 516   8 -> "8R4" [style=solid]
 517  "8R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
 518   9 [label="State 9\n\l  5 exp: b '!' .\l"]
 519   9 -> "9R5" [style=solid]
 520  "9R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
 521   10 [label="State 10\n\l  7 exp: c ';' .\l"]
 522   10 -> "10R7" [style=solid]
 523  "10R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
 524   11 [label="State 11\n\l  6 exp: c '?' .\l"]
 525   11 -> "11R6" [style=solid]
 526  "11R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
 527 ]])
 528
 529 ## ------------------------------------------------------ ##
 530 ## Graph with a reduction rule both enabled and disabled. ##
 531 ## ------------------------------------------------------ ##
 532
 533 AT_TEST([Graph with a reduction rule both enabled and disabled],
 534 [[%%
 535 exp: ifexp | opexp | imm;
 536 ifexp: "if" exp "then" exp elseexp;
 537 elseexp: "else" exp | ;
 538 opexp: exp '+' exp;
 539 imm: '0';
 540 ]],
 541 [[
 542   0 [label="State 0\n\l  0 $accept: . exp $end\l  1 exp: . ifexp\l  2    | . opexp\l  3    | . imm\l  4 ifexp: . \"if\" exp \"then\" exp elseexp\l  7 opexp: . exp '+' exp\l  8 imm: . '0'\l"]
 543   0 -> 1 [style=solid label="\"if\""]
 544   0 -> 2 [style=solid label="'0'"]
 545   0 -> 3 [style=dashed label="exp"]
 546   0 -> 4 [style=dashed label="ifexp"]
 547   0 -> 5 [style=dashed label="opexp"]
 548   0 -> 6 [style=dashed label="imm"]
 549   1 [label="State 1\n\l  1 exp: . ifexp\l  2    | . opexp\l  3    | . imm\l  4 ifexp: . \"if\" exp \"then\" exp elseexp\l  4      | \"if\" . exp \"then\" exp elseexp\l  7 opexp: . exp '+' exp\l  8 imm: . '0'\l"]
 550   1 -> 1 [style=solid label="\"if\""]
 551   1 -> 2 [style=solid label="'0'"]
 552   1 -> 7 [style=dashed label="exp"]
 553   1 -> 4 [style=dashed label="ifexp"]
 554   1 -> 5 [style=dashed label="opexp"]
 555   1 -> 6 [style=dashed label="imm"]
 556   2 [label="State 2\n\l  8 imm: '0' .\l"]
 557   2 -> "2R8" [style=solid]
 558  "2R8" [label="R8", fillcolor=3, shape=diamond, style=filled]
 559   3 [label="State 3\n\l  0 $accept: exp . $end\l  7 opexp: exp . '+' exp\l"]
 560   3 -> 8 [style=solid label="$end"]
 561   3 -> 9 [style=solid label="'+'"]
 562   4 [label="State 4\n\l  1 exp: ifexp .\l"]
 563   4 -> "4R1" [style=solid]
 564  "4R1" [label="R1", fillcolor=3, shape=diamond, style=filled]
 565   5 [label="State 5\n\l  2 exp: opexp .\l"]
 566   5 -> "5R2" [style=solid]
 567  "5R2" [label="R2", fillcolor=3, shape=diamond, style=filled]
 568   6 [label="State 6\n\l  3 exp: imm .\l"]
 569   6 -> "6R3" [style=solid]
 570  "6R3" [label="R3", fillcolor=3, shape=diamond, style=filled]
 571   7 [label="State 7\n\l  4 ifexp: \"if\" exp . \"then\" exp elseexp\l  7 opexp: exp . '+' exp\l"]
 572   7 -> 10 [style=solid label="\"then\""]
 573   7 -> 9 [style=solid label="'+'"]
 574   8 [label="State 8\n\l  0 $accept: exp $end .\l"]
 575   8 -> "8R0" [style=solid]
 576  "8R0" [label="Acc", fillcolor=1, shape=diamond, style=filled]
 577   9 [label="State 9\n\l  1 exp: . ifexp\l  2    | . opexp\l  3    | . imm\l  4 ifexp: . \"if\" exp \"then\" exp elseexp\l  7 opexp: . exp '+' exp\l  7      | exp '+' . exp\l  8 imm: . '0'\l"]
 578   9 -> 1 [style=solid label="\"if\""]
 579   9 -> 2 [style=solid label="'0'"]
 580   9 -> 11 [style=dashed label="exp"]
 581   9 -> 4 [style=dashed label="ifexp"]
 582   9 -> 5 [style=dashed label="opexp"]
 583   9 -> 6 [style=dashed label="imm"]
 584   10 [label="State 10\n\l  1 exp: . ifexp\l  2    | . opexp\l  3    | . imm\l  4 ifexp: . \"if\" exp \"then\" exp elseexp\l  4      | \"if\" exp \"then\" . exp elseexp\l  7 opexp: . exp '+' exp\l  8 imm: . '0'\l"]
 585   10 -> 1 [style=solid label="\"if\""]
 586   10 -> 2 [style=solid label="'0'"]
 587   10 -> 12 [style=dashed label="exp"]
 588   10 -> 4 [style=dashed label="ifexp"]
 589   10 -> 5 [style=dashed label="opexp"]
 590   10 -> 6 [style=dashed label="imm"]
 591   11 [label="State 11\n\l  7 opexp: exp . '+' exp\l  7      | exp '+' exp .  [$end, \"then\", \"else\", '+']\l"]
 592   11 -> 9 [style=solid label="'+'"]
 593   11 -> "11R7d" [label="['+']", style=solid]
 594  "11R7d" [label="R7", fillcolor=5, shape=diamond, style=filled]
 595   11 -> "11R7" [style=solid]
 596  "11R7" [label="R7", fillcolor=3, shape=diamond, style=filled]
 597   12 [label="State 12\n\l  4 ifexp: \"if\" exp \"then\" exp . elseexp\l  5 elseexp: . \"else\" exp\l  6        | .  [$end, \"then\", \"else\", '+']\l  7 opexp: exp . '+' exp\l"]
 598   12 -> 13 [style=solid label="\"else\""]
 599   12 -> 9 [style=solid label="'+'"]
 600   12 -> 14 [style=dashed label="elseexp"]
 601   12 -> "12R6d" [label="[\"else\", '+']", style=solid]
 602  "12R6d" [label="R6", fillcolor=5, shape=diamond, style=filled]
 603   12 -> "12R6" [style=solid]
 604  "12R6" [label="R6", fillcolor=3, shape=diamond, style=filled]
 605   13 [label="State 13\n\l  1 exp: . ifexp\l  2    | . opexp\l  3    | . imm\l  4 ifexp: . \"if\" exp \"then\" exp elseexp\l  5 elseexp: \"else\" . exp\l  7 opexp: . exp '+' exp\l  8 imm: . '0'\l"]
 606   13 -> 1 [style=solid label="\"if\""]
 607   13 -> 2 [style=solid label="'0'"]
 608   13 -> 15 [style=dashed label="exp"]
 609   13 -> 4 [style=dashed label="ifexp"]
 610   13 -> 5 [style=dashed label="opexp"]
 611   13 -> 6 [style=dashed label="imm"]
 612   14 [label="State 14\n\l  4 ifexp: \"if\" exp \"then\" exp elseexp .\l"]
 613   14 -> "14R4" [style=solid]
 614  "14R4" [label="R4", fillcolor=3, shape=diamond, style=filled]
 615   15 [label="State 15\n\l  5 elseexp: \"else\" exp .  [$end, \"then\", \"else\", '+']\l  7 opexp: exp . '+' exp\l"]
 616   15 -> 9 [style=solid label="'+'"]
 617   15 -> "15R5d" [label="['+']", style=solid]
 618  "15R5d" [label="R5", fillcolor=5, shape=diamond, style=filled]
 619   15 -> "15R5" [style=solid]
 620  "15R5" [label="R5", fillcolor=3, shape=diamond, style=filled]
 621 ]])
 622
 623 m4_popdef([AT_TEST])