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Miscellaneous %define and %code cleanup.
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1 # Simple calculator. -*- Autotest -*-
2
3 # Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
4 # Foundation, Inc.
5
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2, or (at your option)
9 # any later version.
10
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
15
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 # 02110-1301, USA.
20
21 ## ---------------------------------------------------- ##
22 ## Compile the grammar described in the documentation. ##
23 ## ---------------------------------------------------- ##
24
25
26 # ------------------------- #
27 # Helping Autotest macros. #
28 # ------------------------- #
29
30
31 # _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
32 # -----------------------------------------------
33 # Produce `calc.y'. Don't call this macro directly, because it contains
34 # some occurrences of `$1' etc. which will be interpreted by m4. So
35 # you should call it with $1, $2, and $3 as arguments, which is what
36 # AT_DATA_CALC_Y does.
37 m4_define([_AT_DATA_CALC_Y],
38 [m4_if([$1$2$3], $[1]$[2]$[3], [],
39 [m4_fatal([$0: Invalid arguments: $@])])dnl
40 AT_DATA_GRAMMAR([calc.y],
41 [[/* Infix notation calculator--calc */
42 ]$4
43 AT_SKEL_CC_IF(
44 [%define global_tokens_and_yystype])[
45 %{
46 #include <stdio.h>
47
48 #include <stdlib.h>
49 #include <string.h>
50 #if HAVE_UNISTD_H
51 # include <unistd.h>
52 #else
53 # undef alarm
54 # define alarm(seconds) /* empty */
55 #endif
56 #include <ctype.h>
57 #define USE(Var)
58
59 /* Exercise pre-prologue dependency to %union. */
60 typedef int semantic_value;
61
62 static semantic_value global_result = 0;
63 static int global_count = 0;
64 %}
65
66 /* Exercise %union. */
67 %union
68 {
69 semantic_value ival;
70 };
71
72 %{
73 static int power (int base, int exponent);
74 ]AT_SKEL_CC_IF(
75 [#ifndef YYLTYPE
76 [#] define YYLTYPE AT_NAME_PREFIX::location
77 #endif
78 #define first_line begin.line
79 #define first_column begin.column
80 #define last_line end.line
81 #define last_column end.column
82 ],
83 [/* yyerror receives the location if:
84 - %location & %pure & %glr
85 - %location & %pure & %yacc & %parse-param. */
86 static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
87 AT_PARAM_IF([semantic_value *result, int *count, ])
88 const char *s
89 );])[
90 static int yylex (]AT_LEX_FORMALS[);
91 static int get_char (]AT_LEX_FORMALS[);
92 static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
93 %}
94
95 ]AT_SKEL_CC_IF(
96 [/* The lalr1.cc skeleton, for backward compatibility, defines
97 a constructor for position that initializes the filename. The
98 glr.cc skeleton does not (and in fact cannot: location/position
99 are stored in a union, from which objects with constructors are
100 excluded in C++. */
101 %initial-action {
102 @$.initialize (0);
103 }
104 ])[
105
106 /* Bison Declarations */
107 %token CALC_EOF 0 "end of input"
108 %token <ival> NUM "number"
109 %type <ival> exp
110
111 %nonassoc '=' /* comparison */
112 %left '-' '+'
113 %left '*' '/'
114 %left NEG /* negation--unary minus */
115 %right '^' /* exponentiation */
116
117 /* Grammar follows */
118 %%
119 input:
120 line
121 | input line { ]AT_PARAM_IF([++*count; ++global_count;])[ }
122 ;
123
124 line:
125 '\n'
126 | exp '\n' { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
127 ;
128
129 exp:
130 NUM { $$ = $1; }
131 | exp '=' exp
132 {
133 if ($1 != $3)
134 fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
135 $$ = $1;
136 }
137 | exp '+' exp { $$ = $1 + $3; }
138 | exp '-' exp { $$ = $1 - $3; }
139 | exp '*' exp { $$ = $1 * $3; }
140 | exp '/' exp { $$ = $1 / $3; }
141 | '-' exp %prec NEG { $$ = -$2; }
142 | exp '^' exp { $$ = power ($1, $3); }
143 | '(' exp ')' { $$ = $2; }
144 | '(' error ')' { $$ = 1111; }
145 | '!' { $$ = 0; YYERROR; }
146 | '-' error { $$ = 0; YYERROR; }
147 ;
148 %%
149 /* The input. */
150 static FILE *input;
151
152 ]AT_SKEL_CC_IF(
153 [/* A C++ error reporting function. */
154 void
155 AT_NAME_PREFIX::parser::error (const location& l, const std::string& m)
156 {
157 (void) l;
158 std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
159 }
160
161 int
162 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
163 {
164 AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
165 #if YYDEBUG
166 parser.set_debug_level (1);
167 #endif
168 return parser.parse ();
169 }
170 ],
171 [static void
172 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
173 AT_PARAM_IF([semantic_value *result, int *count, ])
174 const char *s)
175 {
176 AT_PARAM_IF([(void) result; (void) count;])
177 AT_YYERROR_SEES_LOC_IF([
178 fprintf (stderr, "%d.%d",
179 AT_LOC.first_line, AT_LOC.first_column);
180 if (AT_LOC.first_line != AT_LOC.last_line)
181 fprintf (stderr, "-%d.%d",
182 AT_LOC.last_line, AT_LOC.last_column - 1);
183 else if (AT_LOC.first_column != AT_LOC.last_column - 1)
184 fprintf (stderr, "-%d",
185 AT_LOC.last_column - 1);
186 fprintf (stderr, ": ");])
187 fprintf (stderr, "%s\n", s);
188 }])[
189
190
191 ]AT_LOCATION_IF([
192 static YYLTYPE last_yylloc;
193 ])[
194 static int
195 get_char (]AT_LEX_FORMALS[)
196 {
197 int res = getc (input);
198 ]AT_USE_LEX_ARGS[;
199 ]AT_LOCATION_IF([
200 last_yylloc = AT_LOC;
201 if (res == '\n')
202 {
203 AT_LOC.last_line++;
204 AT_LOC.last_column = 1;
205 }
206 else
207 AT_LOC.last_column++;
208 ])[
209 return res;
210 }
211
212
213 static void
214 unget_char (]AT_LEX_PRE_FORMALS[ int c)
215 {
216 ]AT_USE_LEX_ARGS[;
217 ]AT_LOCATION_IF([
218 /* Wrong when C == `\n'. */
219 AT_LOC = last_yylloc;
220 ])[
221 ungetc (c, input);
222 }
223
224 static int
225 read_signed_integer (]AT_LEX_FORMALS[)
226 {
227 int c = get_char (]AT_LEX_ARGS[);
228 int sign = 1;
229 int n = 0;
230
231 ]AT_USE_LEX_ARGS[;
232 if (c == '-')
233 {
234 c = get_char (]AT_LEX_ARGS[);
235 sign = -1;
236 }
237
238 while (isdigit (c))
239 {
240 n = 10 * n + (c - '0');
241 c = get_char (]AT_LEX_ARGS[);
242 }
243
244 unget_char (]AT_LEX_PRE_ARGS[ c);
245
246 return sign * n;
247 }
248
249
250
251 /*---------------------------------------------------------------.
252 | Lexical analyzer returns an integer on the stack and the token |
253 | NUM, or the ASCII character read if not a number. Skips all |
254 | blanks and tabs, returns 0 for EOF. |
255 `---------------------------------------------------------------*/
256
257 static int
258 yylex (]AT_LEX_FORMALS[)
259 {
260 static int init = 1;
261 int c;
262
263 if (init)
264 {
265 init = 0;
266 ]AT_LOCATION_IF([
267 AT_LOC.last_column = 1;
268 AT_LOC.last_line = 1;
269 ])[
270 }
271
272 ]AT_LOCATION_IF([
273 AT_LOC.first_column = AT_LOC.last_column;
274 AT_LOC.first_line = AT_LOC.last_line;
275 ])[
276
277 /* Skip white space. */
278 while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t')
279 {
280 ]AT_LOCATION_IF(
281 [ AT_LOC.first_column = AT_LOC.last_column;
282 AT_LOC.first_line = AT_LOC.last_line;
283 ])[
284 }
285
286 /* process numbers */
287 if (c == '.' || isdigit (c))
288 {
289 unget_char (]AT_LEX_PRE_ARGS[ c);
290 ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
291 return NUM;
292 }
293
294 /* Return end-of-file. */
295 if (c == EOF)
296 return CALC_EOF;
297
298 /* Return single chars. */
299 return c;
300 }
301
302 static int
303 power (int base, int exponent)
304 {
305 int res = 1;
306 if (exponent < 0)
307 exit (3);
308 for (/* Niente */; exponent; --exponent)
309 res *= base;
310 return res;
311 }
312
313
314 int
315 main (int argc, const char **argv)
316 {
317 semantic_value result = 0;
318 int count = 0;
319 int status;
320
321 /* This used to be alarm (10), but that isn't enough time for
322 a July 1995 vintage DEC Alphastation 200 4/100 system,
323 according to Nelson H. F. Beebe. 100 seconds is enough. */
324 alarm (100);
325
326 if (argc == 2)
327 input = fopen (argv[1], "r");
328 else
329 input = stdin;
330
331 if (!input)
332 {
333 perror (argv[1]);
334 return 3;
335 }
336
337 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
338 [ yydebug = 1;])])[
339 status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
340 fclose (input);
341 if (global_result != result)
342 abort ();
343 if (global_count != count)
344 abort ();
345 return status;
346 }
347 ]])
348 ])# _AT_DATA_CALC_Y
349
350
351 # AT_DATA_CALC_Y([BISON-OPTIONS])
352 # -------------------------------
353 # Produce `calc.y'.
354 m4_define([AT_DATA_CALC_Y],
355 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
356 ])
357
358
359
360 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
361 # --------------------------------------------------------
362 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
363 #
364 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
365 #
366 # NUM-STDERR-LINES is the number of expected lines on stderr.
367 # Currently this is ignored, though, since the output format is fluctuating.
368 #
369 # We don't count GLR's traces yet, since its traces are somewhat
370 # different from LALR's.
371 m4_define([_AT_CHECK_CALC],
372 [AT_DATA([[input]],
373 [[$2
374 ]])
375 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
376 ])
377
378
379 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
380 # [NUM-STDERR-LINES],
381 # [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
382 # ---------------------------------------------------------
383 # Run `calc' on INPUT, and expect a `syntax error' message.
384 #
385 # If INPUT starts with a slash, it is used as absolute input file name,
386 # otherwise as contents.
387 #
388 # NUM-STDERR-LINES is the number of expected lines on stderr.
389 # Currently this is ignored, though, since the output format is fluctuating.
390 #
391 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
392 # is correctly output on stderr.
393 #
394 # If BISON-OPTIONS contains `%error-verbose', then make sure the
395 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
396 # on STDERR.
397 #
398 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
399 # is the number of expected lines on stderr.
400 m4_define([_AT_CHECK_CALC_ERROR],
401 [m4_bmatch([$3], [^/],
402 [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
403 [AT_DATA([[input]],
404 [[$3
405 ]])
406 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
407
408 # Normalize the observed and expected error messages, depending upon the
409 # options.
410 # 1. Remove the traces from observed.
411 sed '/^Starting/d
412 /^Entering/d
413 /^Stack/d
414 /^Reading/d
415 /^Reducing/d
416 /^Return/d
417 /^Shifting/d
418 /^state/d
419 /^Cleanup:/d
420 /^Error:/d
421 /^Next/d
422 /^Now/d
423 /^Discarding/d
424 / \$[[0-9$]]* = /d
425 /^yydestructor:/d' stderr >at-stderr
426 mv at-stderr stderr
427 # 2. Create the reference error message.
428 AT_DATA([[expout]],
429 [$5
430 ])
431 # 3. If locations are not used, remove them.
432 AT_YYERROR_SEES_LOC_IF([],
433 [[sed 's/^[-0-9.]*: //' expout >at-expout
434 mv at-expout expout]])
435 # 4. If error-verbose is not used, strip the`, unexpected....' part.
436 m4_bmatch([$1], [%error-verbose], [],
437 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
438 mv at-expout expout]])
439 # 5. Check
440 AT_CHECK([cat stderr], 0, [expout])
441 ])
442
443
444 # AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]])
445 # --------------------------------------------------
446 # Start a testing chunk which compiles `calc' grammar with
447 # BISON-OPTIONS, and performs several tests over the parser.
448 # However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
449 m4_define([AT_CHECK_CALC],
450 [# We use integers to avoid dependencies upon the precision of doubles.
451 AT_SETUP([Calculator $1])
452
453 m4_ifval([$2], [AT_CHECK([exit 77])])
454
455 AT_BISON_OPTION_PUSHDEFS([$1])
456
457 AT_DATA_CALC_Y([$1])
458
459 AT_SKEL_CC_IF(
460 [AT_CHECK([bison -o calc.cc calc.y])
461 AT_COMPILE_CXX([calc])],
462 [AT_CHECK([bison -o calc.c calc.y])
463 AT_COMPILE([calc])])
464
465 # Test the priorities.
466 _AT_CHECK_CALC([$1],
467 [1 + 2 * 3 = 7
468 1 + 2 * -3 = -5
469
470 -1^2 = -1
471 (-1)^2 = 1
472
473 ---1 = -1
474
475 1 - 2 - 3 = -4
476 1 - (2 - 3) = 2
477
478 2^2^3 = 256
479 (2^2)^3 = 64],
480 [842])
481
482 # Some syntax errors.
483 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
484 [1.3: syntax error, unexpected number])
485 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
486 [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
487 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
488 [1.1: syntax error, unexpected $undefined])
489 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
490 [1.7: syntax error, unexpected '='])
491 _AT_CHECK_CALC_ERROR([$1], [1],
492 [
493 +1],
494 [20],
495 [2.1: syntax error, unexpected '+'])
496 # Exercise error messages with EOF: work on an empty file.
497 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
498 [1.1: syntax error, unexpected end of input])
499
500 # Exercise the error token: without it, we die at the first error,
501 # hence be sure to
502 #
503 # - have several errors which exercise different shift/discardings
504 # - (): nothing to pop, nothing to discard
505 # - (1 + 1 + 1 +): a lot to pop, nothing to discard
506 # - (* * *): nothing to pop, a lot to discard
507 # - (1 + 2 * *): some to pop and discard
508 #
509 # - test the action associated to `error'
510 #
511 # - check the lookahead that triggers an error is not discarded
512 # when we enter error recovery. Below, the lookahead causing the
513 # first error is ")", which is needed to recover from the error and
514 # produce the "0" that triggers the "0 != 1" error.
515 #
516 _AT_CHECK_CALC_ERROR([$1], [0],
517 [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
518 [250],
519 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
520 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
521 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
522 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
523 calc: error: 4444 != 1])
524
525 # The same, but this time exercising explicitly triggered syntax errors.
526 # POSIX says the lookahead causing the error should not be discarded.
527 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
528 [1.10: syntax error, unexpected number
529 calc: error: 2222 != 1])
530 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
531 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
532 1.12: syntax error, unexpected number
533 calc: error: 2222 != 1])
534 AT_BISON_OPTION_POPDEFS
535
536 AT_CLEANUP
537 ])# AT_CHECK_CALC
538
539
540
541
542 # ------------------------ #
543 # Simple LALR Calculator. #
544 # ------------------------ #
545
546 AT_BANNER([[Simple LALR(1) Calculator.]])
547
548 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
549 # -----------------------------------
550 # Start a testing chunk which compiles `calc' grammar with
551 # BISON-OPTIONS, and performs several tests over the parser.
552 m4_define([AT_CHECK_CALC_LALR],
553 [AT_CHECK_CALC($@)])
554
555 AT_CHECK_CALC_LALR()
556
557 AT_CHECK_CALC_LALR([%defines])
558 AT_CHECK_CALC_LALR([%locations])
559 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
560 AT_CHECK_CALC_LALR([%verbose])
561 AT_CHECK_CALC_LALR([%yacc])
562 AT_CHECK_CALC_LALR([%error-verbose])
563
564 AT_CHECK_CALC_LALR([%pure-parser %locations])
565 AT_CHECK_CALC_LALR([%push-pull-parser %pure-parser %locations])
566 AT_CHECK_CALC_LALR([%error-verbose %locations])
567
568 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
569
570 AT_CHECK_CALC_LALR([%debug])
571 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
572
573 AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
574 AT_CHECK_CALC_LALR([%push-pull-parser %pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
575
576 AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
577
578
579 # ----------------------- #
580 # Simple GLR Calculator. #
581 # ----------------------- #
582
583 AT_BANNER([[Simple GLR Calculator.]])
584
585 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
586 # ----------------------------------
587 # Start a testing chunk which compiles `calc' grammar with
588 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
589 m4_define([AT_CHECK_CALC_GLR],
590 [AT_CHECK_CALC([%glr-parser] $@)])
591
592
593 AT_CHECK_CALC_GLR()
594
595 AT_CHECK_CALC_GLR([%defines])
596 AT_CHECK_CALC_GLR([%locations])
597 AT_CHECK_CALC_GLR([%name-prefix "calc"])
598 AT_CHECK_CALC_GLR([%verbose])
599 AT_CHECK_CALC_GLR([%yacc])
600 AT_CHECK_CALC_GLR([%error-verbose])
601
602 AT_CHECK_CALC_GLR([%pure-parser %locations])
603 AT_CHECK_CALC_GLR([%error-verbose %locations])
604
605 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
606
607 AT_CHECK_CALC_GLR([%debug])
608 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
609
610 AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
611
612 AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
613
614
615 # ----------------------------- #
616 # Simple LALR1 C++ Calculator. #
617 # ----------------------------- #
618
619 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
620
621 # First let's try using %skeleton
622 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
623
624 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
625 # ---------------------------------------
626 # Start a testing chunk which compiles `calc' grammar with
627 # the C++ skeleton, and performs several tests over the parser.
628 m4_define([AT_CHECK_CALC_LALR1_CC],
629 [AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
630
631 AT_CHECK_CALC_LALR1_CC([])
632 AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
633
634 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
635
636 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
637
638 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
639
640
641
642 # --------------------------- #
643 # Simple GLR C++ Calculator. #
644 # --------------------------- #
645
646 AT_BANNER([[Simple GLR C++ Calculator.]])
647
648 # Again, we try also using %skeleton.
649 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
650
651 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
652 # -------------------------------------
653 # Start a testing chunk which compiles `calc' grammar with
654 # the GLR C++ skeleton, and performs several tests over the parser.
655 m4_define([AT_CHECK_CALC_GLR_CC],
656 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
657
658 AT_CHECK_CALC_GLR_CC([])
659 AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
660
661 AT_CHECK_CALC_GLR_CC([%debug])
662 AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
663
664 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
665
666 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])