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