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1 # Simple calculator. -*- Autotest -*-
2
3 # Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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 3 of the License, or
9 # (at your option) 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, see <http://www.gnu.org/licenses/>.
18
19 ## ---------------------------------------------------- ##
20 ## Compile the grammar described in the documentation. ##
21 ## ---------------------------------------------------- ##
22
23
24 # ------------------------- #
25 # Helping Autotest macros. #
26 # ------------------------- #
27
28
29 # _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
30 # -----------------------------------------------
31 # Produce `calc.y'. Don't call this macro directly, because it contains
32 # some occurrences of `$1' etc. which will be interpreted by m4. So
33 # you should call it with $1, $2, and $3 as arguments, which is what
34 # AT_DATA_CALC_Y does.
35 m4_define([_AT_DATA_CALC_Y],
36 [m4_if([$1$2$3], $[1]$[2]$[3], [],
37 [m4_fatal([$0: Invalid arguments: $@])])dnl
38 AT_DATA_GRAMMAR([calc.y],
39 [[/* Infix notation calculator--calc */
40 ]$4
41 AT_SKEL_CC_IF(
42 [%define global_tokens_and_yystype])[
43 %{
44 #include <stdio.h>
45
46 #include <stdlib.h>
47 #include <string.h>
48 #if HAVE_UNISTD_H
49 # include <unistd.h>
50 #else
51 # undef alarm
52 # define alarm(seconds) /* empty */
53 #endif
54 #include <ctype.h>
55 #define USE(Var)
56
57 /* Exercise pre-prologue dependency to %union. */
58 typedef int semantic_value;
59
60 static semantic_value global_result = 0;
61 static int global_count = 0;
62 %}
63
64 /* Exercise %union. */
65 %union
66 {
67 semantic_value ival;
68 };
69
70 %{
71 static int power (int base, int exponent);
72 ]AT_SKEL_CC_IF(
73 [#ifndef YYLTYPE
74 [#] define YYLTYPE AT_NAME_PREFIX::location
75 #endif
76 #define first_line begin.line
77 #define first_column begin.column
78 #define last_line end.line
79 #define last_column end.column
80 ],
81 [/* yyerror receives the location if:
82 - %location & %pure & %glr
83 - %location & %pure & %yacc & %parse-param. */
84 static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
85 AT_PARAM_IF([semantic_value *result, int *count, ])
86 const char *s
87 );])[
88 static int yylex (]AT_LEX_FORMALS[);
89 static int get_char (]AT_LEX_FORMALS[);
90 static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
91 %}
92
93 ]AT_SKEL_CC_IF(
94 [/* The lalr1.cc skeleton, for backward compatibility, defines
95 a constructor for position that initializes the filename. The
96 glr.cc skeleton does not (and in fact cannot: location/position
97 are stored in a union, from which objects with constructors are
98 excluded in C++. */
99 %initial-action {
100 @$.initialize (0);
101 }
102 ])[
103
104 /* Bison Declarations */
105 %token CALC_EOF 0 "end of input"
106 %token <ival> NUM "number"
107 %type <ival> exp
108
109 %nonassoc '=' /* comparison */
110 %left '-' '+'
111 %left '*' '/'
112 %left NEG /* negation--unary minus */
113 %right '^' /* exponentiation */
114
115 /* Grammar follows */
116 %%
117 input:
118 line
119 | input line { ]AT_PARAM_IF([++*count; ++global_count;])[ }
120 ;
121
122 line:
123 '\n'
124 | exp '\n' { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
125 ;
126
127 exp:
128 NUM { $$ = $1; }
129 | exp '=' exp
130 {
131 if ($1 != $3)
132 fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
133 $$ = $1;
134 }
135 | exp '+' exp { $$ = $1 + $3; }
136 | exp '-' exp { $$ = $1 - $3; }
137 | exp '*' exp { $$ = $1 * $3; }
138 | exp '/' exp { $$ = $1 / $3; }
139 | '-' exp %prec NEG { $$ = -$2; }
140 | exp '^' exp { $$ = power ($1, $3); }
141 | '(' exp ')' { $$ = $2; }
142 | '(' error ')' { $$ = 1111; yyerrok; }
143 | '!' { $$ = 0; YYERROR; }
144 | '-' error { $$ = 0; YYERROR; }
145 ;
146 %%
147 /* The input. */
148 static FILE *input;
149
150 ]AT_SKEL_CC_IF(
151 [/* A C++ error reporting function. */
152 void
153 AT_NAME_PREFIX::parser::error (const location& l, const std::string& m)
154 {
155 (void) l;
156 std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
157 }
158
159 int
160 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
161 {
162 AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
163 #if YYDEBUG
164 parser.set_debug_level (1);
165 #endif
166 return parser.parse ();
167 }
168 ],
169 [static void
170 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
171 AT_PARAM_IF([semantic_value *result, int *count, ])
172 const char *s)
173 {
174 AT_PARAM_IF([(void) result; (void) count;])
175 AT_YYERROR_SEES_LOC_IF([
176 fprintf (stderr, "%d.%d",
177 AT_LOC.first_line, AT_LOC.first_column);
178 if (AT_LOC.first_line != AT_LOC.last_line)
179 fprintf (stderr, "-%d.%d",
180 AT_LOC.last_line, AT_LOC.last_column - 1);
181 else if (AT_LOC.first_column != AT_LOC.last_column - 1)
182 fprintf (stderr, "-%d",
183 AT_LOC.last_column - 1);
184 fprintf (stderr, ": ");])
185 fprintf (stderr, "%s\n", s);
186 }])[
187
188
189 ]AT_LOCATION_IF([
190 static YYLTYPE last_yylloc;
191 ])[
192 static int
193 get_char (]AT_LEX_FORMALS[)
194 {
195 int res = getc (input);
196 ]AT_USE_LEX_ARGS[;
197 ]AT_LOCATION_IF([
198 last_yylloc = AT_LOC;
199 if (res == '\n')
200 {
201 AT_LOC.last_line++;
202 AT_LOC.last_column = 1;
203 }
204 else
205 AT_LOC.last_column++;
206 ])[
207 return res;
208 }
209
210
211 static void
212 unget_char (]AT_LEX_PRE_FORMALS[ int c)
213 {
214 ]AT_USE_LEX_ARGS[;
215 ]AT_LOCATION_IF([
216 /* Wrong when C == `\n'. */
217 AT_LOC = last_yylloc;
218 ])[
219 ungetc (c, input);
220 }
221
222 static int
223 read_signed_integer (]AT_LEX_FORMALS[)
224 {
225 int c = get_char (]AT_LEX_ARGS[);
226 int sign = 1;
227 int n = 0;
228
229 ]AT_USE_LEX_ARGS[;
230 if (c == '-')
231 {
232 c = get_char (]AT_LEX_ARGS[);
233 sign = -1;
234 }
235
236 while (isdigit (c))
237 {
238 n = 10 * n + (c - '0');
239 c = get_char (]AT_LEX_ARGS[);
240 }
241
242 unget_char (]AT_LEX_PRE_ARGS[ c);
243
244 return sign * n;
245 }
246
247
248
249 /*---------------------------------------------------------------.
250 | Lexical analyzer returns an integer on the stack and the token |
251 | NUM, or the ASCII character read if not a number. Skips all |
252 | blanks and tabs, returns 0 for EOF. |
253 `---------------------------------------------------------------*/
254
255 static int
256 yylex (]AT_LEX_FORMALS[)
257 {
258 static int init = 1;
259 int c;
260
261 if (init)
262 {
263 init = 0;
264 ]AT_LOCATION_IF([
265 AT_LOC.last_column = 1;
266 AT_LOC.last_line = 1;
267 ])[
268 }
269
270 ]AT_LOCATION_IF([
271 AT_LOC.first_column = AT_LOC.last_column;
272 AT_LOC.first_line = AT_LOC.last_line;
273 ])[
274
275 /* Skip white space. */
276 while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t')
277 {
278 ]AT_LOCATION_IF(
279 [ AT_LOC.first_column = AT_LOC.last_column;
280 AT_LOC.first_line = AT_LOC.last_line;
281 ])[
282 }
283
284 /* process numbers */
285 if (c == '.' || isdigit (c))
286 {
287 unget_char (]AT_LEX_PRE_ARGS[ c);
288 ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
289 return NUM;
290 }
291
292 /* Return end-of-file. */
293 if (c == EOF)
294 return CALC_EOF;
295
296 /* Return single chars. */
297 return c;
298 }
299
300 static int
301 power (int base, int exponent)
302 {
303 int res = 1;
304 if (exponent < 0)
305 exit (3);
306 for (/* Niente */; exponent; --exponent)
307 res *= base;
308 return res;
309 }
310
311
312 int
313 main (int argc, const char **argv)
314 {
315 semantic_value result = 0;
316 int count = 0;
317 int status;
318
319 /* This used to be alarm (10), but that isn't enough time for
320 a July 1995 vintage DEC Alphastation 200 4/100 system,
321 according to Nelson H. F. Beebe. 100 seconds is enough. */
322 alarm (100);
323
324 if (argc == 2)
325 input = fopen (argv[1], "r");
326 else
327 input = stdin;
328
329 if (!input)
330 {
331 perror (argv[1]);
332 return 3;
333 }
334
335 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
336 [ yydebug = 1;])])[
337 status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
338 fclose (input);
339 if (global_result != result)
340 abort ();
341 if (global_count != count)
342 abort ();
343 return status;
344 }
345 ]])
346 ])# _AT_DATA_CALC_Y
347
348
349 # AT_DATA_CALC_Y([BISON-OPTIONS])
350 # -------------------------------
351 # Produce `calc.y'.
352 m4_define([AT_DATA_CALC_Y],
353 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
354 ])
355
356
357
358 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
359 # --------------------------------------------------------
360 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
361 #
362 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
363 #
364 # NUM-STDERR-LINES is the number of expected lines on stderr.
365 # Currently this is ignored, though, since the output format is fluctuating.
366 #
367 # We don't count GLR's traces yet, since its traces are somewhat
368 # different from LALR's.
369 m4_define([_AT_CHECK_CALC],
370 [AT_DATA([[input]],
371 [[$2
372 ]])
373 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
374 ])
375
376
377 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
378 # [NUM-STDERR-LINES],
379 # [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
380 # ---------------------------------------------------------
381 # Run `calc' on INPUT, and expect a `syntax error' message.
382 #
383 # If INPUT starts with a slash, it is used as absolute input file name,
384 # otherwise as contents.
385 #
386 # NUM-STDERR-LINES is the number of expected lines on stderr.
387 # Currently this is ignored, though, since the output format is fluctuating.
388 #
389 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
390 # is correctly output on stderr.
391 #
392 # If BISON-OPTIONS contains `%error-verbose', then make sure the
393 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
394 # on STDERR.
395 #
396 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
397 # is the number of expected lines on stderr.
398 m4_define([_AT_CHECK_CALC_ERROR],
399 [m4_bmatch([$3], [^/],
400 [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
401 [AT_DATA([[input]],
402 [[$3
403 ]])
404 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
405
406 # Normalize the observed and expected error messages, depending upon the
407 # options.
408 # 1. Remove the traces from observed.
409 sed '/^Starting/d
410 /^Entering/d
411 /^Stack/d
412 /^Reading/d
413 /^Reducing/d
414 /^Return/d
415 /^Shifting/d
416 /^state/d
417 /^Cleanup:/d
418 /^Error:/d
419 /^Next/d
420 /^Now/d
421 /^Discarding/d
422 / \$[[0-9$]]* = /d
423 /^yydestructor:/d' stderr >at-stderr
424 mv at-stderr stderr
425 # 2. Create the reference error message.
426 AT_DATA([[expout]],
427 [$5
428 ])
429 # 3. If locations are not used, remove them.
430 AT_YYERROR_SEES_LOC_IF([],
431 [[sed 's/^[-0-9.]*: //' expout >at-expout
432 mv at-expout expout]])
433 # 4. If error-verbose is not used, strip the`, unexpected....' part.
434 m4_bmatch([$1], [%error-verbose], [],
435 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
436 mv at-expout expout]])
437 # 5. Check
438 AT_CHECK([cat stderr], 0, [expout])
439 ])
440
441
442 # AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]])
443 # --------------------------------------------------
444 # Start a testing chunk which compiles `calc' grammar with
445 # BISON-OPTIONS, and performs several tests over the parser.
446 # However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
447 m4_define([AT_CHECK_CALC],
448 [# We use integers to avoid dependencies upon the precision of doubles.
449 AT_SETUP([Calculator $1])
450
451 m4_ifval([$2], [AT_CHECK([exit 77])])
452
453 AT_BISON_OPTION_PUSHDEFS([$1])
454
455 AT_DATA_CALC_Y([$1])
456
457 AT_SKEL_CC_IF(
458 [AT_BISON_CHECK([-o calc.cc calc.y])
459 AT_COMPILE_CXX([calc])],
460 [AT_BISON_CHECK([-o calc.c calc.y])
461 AT_COMPILE([calc])])
462
463 # Test the priorities.
464 _AT_CHECK_CALC([$1],
465 [1 + 2 * 3 = 7
466 1 + 2 * -3 = -5
467
468 -1^2 = -1
469 (-1)^2 = 1
470
471 ---1 = -1
472
473 1 - 2 - 3 = -4
474 1 - (2 - 3) = 2
475
476 2^2^3 = 256
477 (2^2)^3 = 64],
478 [842])
479
480 # Some syntax errors.
481 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
482 [1.3: syntax error, unexpected number])
483 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
484 [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
485 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
486 [1.1: syntax error, unexpected $undefined])
487 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
488 [1.7: syntax error, unexpected '='])
489 _AT_CHECK_CALC_ERROR([$1], [1],
490 [
491 +1],
492 [20],
493 [2.1: syntax error, unexpected '+'])
494 # Exercise error messages with EOF: work on an empty file.
495 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
496 [1.1: syntax error, unexpected end of input])
497
498 # Exercise the error token: without it, we die at the first error,
499 # hence be sure to
500 #
501 # - have several errors which exercise different shift/discardings
502 # - (): nothing to pop, nothing to discard
503 # - (1 + 1 + 1 +): a lot to pop, nothing to discard
504 # - (* * *): nothing to pop, a lot to discard
505 # - (1 + 2 * *): some to pop and discard
506 #
507 # - test the action associated to `error'
508 #
509 # - check the lookahead that triggers an error is not discarded
510 # when we enter error recovery. Below, the lookahead causing the
511 # first error is ")", which is needed to recover from the error and
512 # produce the "0" that triggers the "0 != 1" error.
513 #
514 _AT_CHECK_CALC_ERROR([$1], [0],
515 [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
516 [250],
517 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
518 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
519 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
520 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
521 calc: error: 4444 != 1])
522
523 # The same, but this time exercising explicitly triggered syntax errors.
524 # POSIX says the lookahead causing the error should not be discarded.
525 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
526 [1.10: syntax error, unexpected number
527 calc: error: 2222 != 1])
528 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
529 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
530 1.12: syntax error, unexpected number
531 calc: error: 2222 != 1])
532
533 # Check that yyerrok works properly: second error is not reported,
534 # third and fourth are. Parse status is succesfull.
535 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
536 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
537 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
538 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
539
540 AT_BISON_OPTION_POPDEFS
541
542 AT_CLEANUP
543 ])# AT_CHECK_CALC
544
545
546
547
548 # ------------------------ #
549 # Simple LALR Calculator. #
550 # ------------------------ #
551
552 AT_BANNER([[Simple LALR(1) Calculator.]])
553
554 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
555 # -----------------------------------
556 # Start a testing chunk which compiles `calc' grammar with
557 # BISON-OPTIONS, and performs several tests over the parser.
558 m4_define([AT_CHECK_CALC_LALR],
559 [AT_CHECK_CALC($@)])
560
561 AT_CHECK_CALC_LALR()
562
563 AT_CHECK_CALC_LALR([%defines])
564 AT_CHECK_CALC_LALR([%locations])
565 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
566 AT_CHECK_CALC_LALR([%verbose])
567 AT_CHECK_CALC_LALR([%yacc])
568 AT_CHECK_CALC_LALR([%error-verbose])
569
570 AT_CHECK_CALC_LALR([%define api.pure %locations])
571 AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %locations])
572 AT_CHECK_CALC_LALR([%error-verbose %locations])
573
574 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
575
576 AT_CHECK_CALC_LALR([%debug])
577 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
578
579 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
580 AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
581
582 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
583
584
585 # ----------------------- #
586 # Simple GLR Calculator. #
587 # ----------------------- #
588
589 AT_BANNER([[Simple GLR Calculator.]])
590
591 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
592 # ----------------------------------
593 # Start a testing chunk which compiles `calc' grammar with
594 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
595 m4_define([AT_CHECK_CALC_GLR],
596 [AT_CHECK_CALC([%glr-parser] $@)])
597
598
599 AT_CHECK_CALC_GLR()
600
601 AT_CHECK_CALC_GLR([%defines])
602 AT_CHECK_CALC_GLR([%locations])
603 AT_CHECK_CALC_GLR([%name-prefix "calc"])
604 AT_CHECK_CALC_GLR([%verbose])
605 AT_CHECK_CALC_GLR([%yacc])
606 AT_CHECK_CALC_GLR([%error-verbose])
607
608 AT_CHECK_CALC_GLR([%define api.pure %locations])
609 AT_CHECK_CALC_GLR([%error-verbose %locations])
610
611 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
612
613 AT_CHECK_CALC_GLR([%debug])
614 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
615
616 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
617
618 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
619
620
621 # ----------------------------- #
622 # Simple LALR1 C++ Calculator. #
623 # ----------------------------- #
624
625 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
626
627 # First let's try using %skeleton
628 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
629
630 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
631 # ---------------------------------------
632 # Start a testing chunk which compiles `calc' grammar with
633 # the C++ skeleton, and performs several tests over the parser.
634 m4_define([AT_CHECK_CALC_LALR1_CC],
635 [AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
636
637 AT_CHECK_CALC_LALR1_CC([])
638 AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
639
640 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
641
642 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
643
644 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
645
646
647
648 # --------------------------- #
649 # Simple GLR C++ Calculator. #
650 # --------------------------- #
651
652 AT_BANNER([[Simple GLR C++ Calculator.]])
653
654 # Again, we try also using %skeleton.
655 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
656
657 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
658 # -------------------------------------
659 # Start a testing chunk which compiles `calc' grammar with
660 # the GLR C++ skeleton, and performs several tests over the parser.
661 m4_define([AT_CHECK_CALC_GLR_CC],
662 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
663
664 AT_CHECK_CALC_GLR_CC([])
665 AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
666
667 AT_CHECK_CALC_GLR_CC([%debug])
668 AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
669
670 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
671
672 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])