1 # Checking the output filenames. -*- Autotest -*-
3 # Copyright (C) 2000-2002, 2005-2012 Free Software Foundation, Inc.
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.
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.
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/>.
18 AT_BANNER([[Output file names.]])
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])[
27 for file in ]$1 $4[; do
29 */*) mkdir -p `echo "$file" | sed 's,/[^/]*,,'`;;
38 ]AT_BISON_CHECK([$3 $1 $5], 0)[
39 # Ignore the files non-generated files
40 ]AT_CHECK([find . -type f -and -not -path './$1' -and -not -path './testsuite.log' |
50 AT_CHECK_OUTPUT([foo.y], [], [-dv],
51 [foo.output foo.tab.c foo.tab.h])
53 # Some versions of Valgrind (at least valgrind-3.6.0.SVN-Debian) report
54 # "fgrep: write error: Bad file descriptor" when stdout is closed, so we
55 # skip this test group during maintainer-check-valgrind.
56 AT_CHECK_OUTPUT([foo.y], [], [-dv],
57 [foo.output foo.tab.c foo.tab.h],
59 [AT_CHECK([[case "$PREBISON" in *valgrind*) exit 77;; esac]])])
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])
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])
78 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[],
79 [y.output y.tab.c y.tab.h])
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],
89 [bar.c bar.h bar.output])
92 # Check priorities of extension control.
93 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose], [],
94 [foo.output foo.tab.cc foo.tab.hh])
96 AT_CHECK_OUTPUT([foo.yy], [%defines %verbose ], [-o foo.c],
97 [foo.c foo.h foo.output])
99 AT_CHECK_OUTPUT([foo.yy], [],
100 [--defines=foo.hpp -o foo.c++],
103 AT_CHECK_OUTPUT([foo.yy], [%defines "foo.hpp"],
107 AT_CHECK_OUTPUT([foo.yy], [],
108 [-o foo.c++ --graph=foo.gph],
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, [])
122 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose], [],
123 [foo.output foo.tab.cc])
125 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %defines %verbose], [],
126 [foo.output foo.tab.cc foo.tab.hh stack.hh])
128 AT_CHECK_OUTPUT([foo.yy], [%skeleton "lalr1.cc" %verbose %locations], [],
129 [foo.output foo.tab.cc])
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])
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])])
138 AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose %locations],
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])])
143 AT_CHECK_OUTPUT([gram_dir/foo.yy],
144 [%skeleton "lalr1.cc" %defines %verbose %file-prefix "output_dir/foo"],
146 [output_dir/foo.output output_dir/foo.tab.cc output_dir/foo.tab.hh output_dir/stack.hh])
148 AT_CHECK_OUTPUT([gram_dir/foo.yy],
149 [%skeleton "lalr1.cc" %defines %locations %verbose %file-prefix "output_dir/foo"],
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])
154 # AT_CHECK_CONFLICTING_OUTPUT(INPUT-FILE, DIRECTIVES, FLAGS, STDERR,
156 # ------------------------------------------------------------------
157 m4_define([AT_CHECK_CONFLICTING_OUTPUT],
158 [AT_SETUP([Conflicting output files: $2 $3])
160 */*) mkdir `echo "$1" | sed 's,/.*,,'`;;
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])
178 AT_CHECK_CONFLICTING_OUTPUT([foo.y],
179 [], [--graph="foo.tab.c"],
180 [[foo.y: warning: conflicting outputs to file 'foo.tab.c' [-Wother]
183 AT_CHECK_CONFLICTING_OUTPUT([foo.y],
184 [%defines "foo.output"], [-v],
185 [[foo.y: warning: conflicting outputs to file 'foo.output' [-Wother]
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]
193 AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
194 [[foo.y: error: refusing to overwrite the input file 'foo.y'
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])
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]])
208 AT_DATA_GRAMMAR([glr.y],
211 ]AT_YYERROR_DECLARE_EXTERN[
212 ]AT_YYLEX_DECLARE_EXTERN[
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])"])
222 AT_DATA_GRAMMAR([cxx.y],
223 [[%skeleton "lalr1.cc"
224 %code { int yylex (yy::parser::semantic_type*); }
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([$1.c])"])
233 AT_BISON_OPTION_POPDEFS
237 # Notice that the header file name here cannot contain
238 # '"' since FILENAME in '#include "FILENAME"' cannot.
239 AT_CHECK_OUTPUT_FILE_NAME([[`~!@#$%^&*()-=_+{}[]|\:;<>, .']])
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([[@:>@]])
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],
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],
268 node [fontname = courier, shape = box, colorscheme = paired6]
269 edge [fontname = courier]
276 ## ------------------------ ##
277 ## Graph with no conflicts. ##
278 ## ------------------------ ##
280 AT_TEST([Graph with no conflicts],
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]
310 ## ------------------------ ##
311 ## Graph with unsolved S/R. ##
312 ## ------------------------ ##
314 AT_TEST([Graph with unsolved S/R],
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]
374 ## ---------------------- ##
375 ## Graph with solved S/R. ##
376 ## ---------------------- ##
378 AT_TEST([Graph with solved S/R],
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]
433 ## ---------------- ##
434 ## Graph with R/R. ##
435 ## ---------------- ##
437 AT_TEST([Graph with R/R],
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]
465 ## ---------------------------------------- ##
466 ## Graph with reductions with multiple LAT. ##
467 ## ---------------------------------------- ##
469 AT_TEST([Graph with reductions with multiple LAT],
471 exp: a ';' | a ';' | a '.' | b '?' | b '!' | c '?' | c ';';
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]
524 ## ------------------------------------------------------ ##
525 ## Graph with a reduction rule both enabled and disabled. ##
526 ## ------------------------------------------------------ ##
528 AT_TEST([Graph with a reduction rule both enabled and disabled],
530 exp: ifexp | opexp | imm;
531 ifexp: "if" exp "then" exp elseexp;
532 elseexp: "else" exp | ;
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]