tests/calc.at

   1 # Simple calculator.                         -*- Autotest -*-
   2
   3 # Copyright (C) 2000-2012 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 ## ---------------------------------------------------- ##
  19 ## Compile the grammar described in the documentation.  ##
  20 ## ---------------------------------------------------- ##
  21
  22
  23 # ------------------------- #
  24 # Helping Autotest macros.  #
  25 # ------------------------- #
  26
  27
  28 # _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
  29 # -----------------------------------------------
  30 # Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
  31 # `calc-lex.cc'.
  32 #
  33 # Don't call this macro directly, because it contains some occurrences
  34 # of `$1' etc. which will be interpreted by m4.  So you should call it
  35 # with $1, $2, and $3 as arguments, which is what AT_DATA_CALC_Y does.
  36 #
  37 # When %defines is not passed, generate a single self-contained file.
  38 # Otherwise, generate three: calc.y with the parser, calc-lex.c with
  39 # the scanner, and calc-main.c with "main()".  This is in order to
  40 # stress the use of the generated parser header.  To avoid code
  41 # duplication, AT_CALC_LEX and AT_CALC_MAIN contain the body of these
  42 # two later files.
  43 m4_define([_AT_DATA_CALC_Y],
  44 [m4_if([$1$2$3], $[1]$[2]$[3], [],
  45        [m4_fatal([$0: Invalid arguments: $@])])dnl
  46
  47 m4_pushdef([AT_CALC_MAIN],
  48 [#include <assert.h>
  49 #if HAVE_UNISTD_H
  50 # include <unistd.h>
  51 #else
  52 # undef alarm
  53 # define alarm(seconds) /* empty */
  54 #endif
  55
  56 AT_SKEL_CC_IF([[
  57 /* A C++ ]AT_NAME_PREFIX[parse that simulates the C signature.  */
  58 int
  59 ]AT_NAME_PREFIX[parse (]AT_PARAM_IF([semantic_value *result, int *count]))[
  60 {
  61   ]AT_NAME_PREFIX[::parser parser]AT_PARAM_IF([ (result, count)])[;
  62 #if ]AT_API_PREFIX[DEBUG
  63   parser.set_debug_level (1);
  64 #endif
  65   return parser.parse ();
  66 }
  67 ]])[
  68
  69 semantic_value global_result = 0;
  70 int global_count = 0;
  71
  72 /* A C main function.  */
  73 int
  74 main (int argc, const char **argv)
  75 {
  76   semantic_value result = 0;
  77   int count = 0;
  78   int status;
  79
  80   /* This used to be alarm (10), but that isn't enough time for
  81      a July 1995 vintage DEC Alphastation 200 4/100 system,
  82      according to Nelson H. F. Beebe.  100 seconds is enough.  */
  83   alarm (100);
  84
  85   if (argc == 2)
  86     input = fopen (argv[1], "r");
  87   else
  88     input = stdin;
  89
  90   if (!input)
  91     {
  92       perror (argv[1]);
  93       return 3;
  94     }
  95
  96 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
  97 [  ]AT_NAME_PREFIX[debug = 1;])])[
  98   status = ]AT_NAME_PREFIX[parse (]AT_PARAM_IF([[&result, &count]])[);
  99   if (fclose (input))
 100     perror ("fclose");
 101   assert (global_result == result);
 102   assert (global_count == count);
 103   return status;
 104 }
 105 ]])
 106
 107
 108 m4_pushdef([AT_CALC_LEX],
 109 [[#include <ctype.h>
 110
 111 ]AT_YYLEX_DECLARE_EXTERN[
 112 static int get_char (]AT_YYLEX_FORMALS[);
 113 static void unget_char (]AT_YYLEX_PRE_FORMALS[ int c);
 114
 115 ]AT_LOCATION_IF([
 116 static AT_YYLTYPE last_yylloc;
 117 ])[
 118 static int
 119 get_char (]AT_YYLEX_FORMALS[)
 120 {
 121   int res = getc (input);
 122   ]AT_USE_LEX_ARGS[;
 123 ]AT_LOCATION_IF([
 124   last_yylloc = AT_LOC;
 125   if (res == '\n')
 126     {
 127       AT_LOC_LAST_LINE++;
 128       AT_LOC_LAST_COLUMN = 1;
 129     }
 130   else
 131     AT_LOC_LAST_COLUMN++;
 132 ])[
 133   return res;
 134 }
 135
 136 static void
 137 unget_char (]AT_YYLEX_PRE_FORMALS[ int c)
 138 {
 139   ]AT_USE_LEX_ARGS[;
 140 ]AT_LOCATION_IF([
 141   /* Wrong when C == `\n'. */
 142   AT_LOC = last_yylloc;
 143 ])[
 144   ungetc (c, input);
 145 }
 146
 147 static int
 148 read_signed_integer (]AT_YYLEX_FORMALS[)
 149 {
 150   int c = get_char (]AT_YYLEX_ARGS[);
 151   int sign = 1;
 152   int n = 0;
 153
 154   ]AT_USE_LEX_ARGS[;
 155   if (c == '-')
 156     {
 157       c = get_char (]AT_YYLEX_ARGS[);
 158       sign = -1;
 159     }
 160
 161   while (isdigit (c))
 162     {
 163       n = 10 * n + (c - '0');
 164       c = get_char (]AT_YYLEX_ARGS[);
 165     }
 166
 167   unget_char (]AT_YYLEX_PRE_ARGS[ c);
 168
 169   return sign * n;
 170 }
 171
 172
 173 /*---------------------------------------------------------------.
 174 | Lexical analyzer returns an integer on the stack and the token |
 175 | NUM, or the ASCII character read if not a number.  Skips all   |
 176 | blanks and tabs, returns 0 for EOF.                            |
 177 `---------------------------------------------------------------*/
 178
 179 ]AT_YYLEX_PROTOTYPE[
 180 {
 181   int c;
 182   /* Skip current token, then white spaces.  */
 183   do
 184     {
 185 ]AT_LOCATION_IF(
 186 [     AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN;
 187       AT_LOC_FIRST_LINE   = AT_LOC_LAST_LINE;
 188 ])[
 189     }
 190   while ((c = get_char (]AT_YYLEX_ARGS[)) == ' ' || c == '\t');
 191
 192   /* process numbers   */
 193   if (c == '.' || isdigit (c))
 194     {
 195       unget_char (]AT_YYLEX_PRE_ARGS[ c);
 196       ]AT_VAL[.ival = read_signed_integer (]AT_YYLEX_ARGS[);
 197       return NUM;
 198     }
 199
 200   /* Return end-of-file.  */
 201   if (c == EOF)
 202     return CALC_EOF;
 203
 204   /* Return single chars. */
 205   return c;
 206 }
 207 ]])
 208
 209 AT_DATA_GRAMMAR([calc.y],
 210 [[/* Infix notation calculator--calc */
 211 ]$4
 212 AT_SKEL_CC_IF(
 213 [%define global_tokens_and_yystype])[
 214 %code requires
 215 {
 216 ]AT_LOCATION_TYPE_IF([[
 217 # include <iostream>
 218   struct Point
 219   {
 220     int l;
 221     int c;
 222   };
 223
 224   struct Span
 225   {
 226     Point first;
 227     Point last;
 228   };
 229
 230 # define YYLLOC_DEFAULT(Current, Rhs, N)                                \
 231   do                                                                    \
 232     if (N)                                                              \
 233       {                                                                 \
 234         (Current).first = YYRHSLOC (Rhs, 1).first;                      \
 235         (Current).last  = YYRHSLOC (Rhs, N).last;                       \
 236       }                                                                 \
 237     else                                                                \
 238       {                                                                 \
 239         (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last;      \
 240       }                                                                 \
 241   while (false)
 242
 243 ]])[
 244   /* Exercise pre-prologue dependency to %union.  */
 245   typedef int semantic_value;
 246 }
 247
 248 /* Exercise %union. */
 249 %union
 250 {
 251   semantic_value ival;
 252 };
 253 %printer { ]AT_SKEL_CC_IF([[yyoutput << $$]],
 254                           [[fprintf (yyoutput, "%d", $$)]])[; } <ival>;
 255
 256 %code provides
 257 {
 258   #include <stdio.h>
 259   /* The input.  */
 260   extern FILE *input;
 261   extern semantic_value global_result;
 262   extern int global_count;
 263 }
 264
 265 %code
 266 {
 267 #include <assert.h>
 268 #include <string.h>
 269 #define USE(Var)
 270
 271 FILE *input;
 272 static int power (int base, int exponent);
 273
 274 ]AT_YYERROR_DECLARE[
 275 ]AT_YYLEX_DECLARE_EXTERN[
 276 }
 277
 278 ]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([[
 279 %initial-action
 280 {
 281   @$.first.l = @$.first.c = 1;
 282   @$.last = @$.first;
 283 }]])])[
 284
 285 /* Bison Declarations */
 286 %token CALC_EOF 0 "end of input"
 287 %token <ival> NUM "number"
 288 %type  <ival> exp
 289
 290 %nonassoc '=' /* comparison            */
 291 %left '-' '+'
 292 %left '*' '/'
 293 %left NEG     /* negation--unary minus */
 294 %right '^'    /* exponentiation        */
 295
 296 /* Grammar follows */
 297 %%
 298 input:
 299   line
 300 | input line         { ]AT_PARAM_IF([++*count; ++global_count;])[ }
 301 ;
 302
 303 line:
 304   '\n'
 305 | exp '\n'           { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
 306 ;
 307
 308 exp:
 309   NUM                { $$ = $1;             }
 310 | exp '=' exp
 311   {
 312     if ($1 != $3)
 313       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
 314     $$ = $1;
 315   }
 316 | exp '+' exp        { $$ = $1 + $3;        }
 317 | exp '-' exp        { $$ = $1 - $3;        }
 318 | exp '*' exp        { $$ = $1 * $3;        }
 319 | exp '/' exp        { $$ = $1 / $3;        }
 320 | '-' exp  %prec NEG { $$ = -$2;            }
 321 | exp '^' exp        { $$ = power ($1, $3); }
 322 | '(' exp ')'        { $$ = $2;             }
 323 | '(' error ')'      { $$ = 1111; yyerrok;  }
 324 | '!'                { $$ = 0; YYERROR;     }
 325 | '-' error          { $$ = 0; YYERROR;     }
 326 ;
 327 %%
 328
 329 static int
 330 power (int base, int exponent)
 331 {
 332   int res = 1;
 333   assert (0 <= exponent);
 334   for (/* Niente */; exponent; --exponent)
 335     res *= base;
 336   return res;
 337 }
 338
 339 ]AT_SKEL_CC_IF(
 340 [AT_LOCATION_TYPE_IF([[
 341   std::ostream&
 342   operator<< (std::ostream& o, const Span& s)
 343   {
 344     o << s.first.l << '.' << s.first.c;
 345     if (s.first.l != s.last.l)
 346       o << '-' << s.last.l << '.' << s.last.c - 1;
 347     else if (s.first.c != s.last.c - 1)
 348       o << '-' << s.last.c - 1;
 349     return o;
 350   }
 351 ]])])[
 352 ]AT_YYERROR_DEFINE[
 353 ]AT_DEFINES_IF([],
 354 [AT_CALC_LEX
 355 AT_CALC_MAIN])])
 356
 357 AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])],
 358 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 359
 360 ]AT_CALC_LEX])
 361 AT_DATA_SOURCE([[calc-main.c]AT_SKEL_CC_IF([[c]])],
 362 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 363
 364 ]AT_CALC_MAIN])
 365 ])
 366 m4_popdef([AT_CALC_MAIN])
 367 m4_popdef([AT_CALC_LEX])
 368 ])# _AT_DATA_CALC_Y
 369
 370
 371 # AT_DATA_CALC_Y([BISON-OPTIONS])
 372 # -------------------------------
 373 # Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
 374 # `calc-lex.cc'.
 375 m4_define([AT_DATA_CALC_Y],
 376 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
 377 ])
 378
 379
 380
 381 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
 382 # --------------------------------------------------------
 383 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 384 #
 385 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
 386 #
 387 # NUM-STDERR-LINES is the number of expected lines on stderr.
 388 # Currently this is ignored, though, since the output format is fluctuating.
 389 #
 390 # We don't count GLR's traces yet, since its traces are somewhat
 391 # different from LALR's.
 392 m4_define([_AT_CHECK_CALC],
 393 [AT_DATA([[input]],
 394 [[$2
 395 ]])
 396 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
 397 ])
 398
 399
 400 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
 401 #                      [NUM-STDERR-LINES],
 402 #                      [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 403 # ---------------------------------------------------------
 404 # Run `calc' on INPUT, and expect a `syntax error' message.
 405 #
 406 # If INPUT starts with a slash, it is used as absolute input file name,
 407 # otherwise as contents.
 408 #
 409 # NUM-STDERR-LINES is the number of expected lines on stderr.
 410 # Currently this is ignored, though, since the output format is fluctuating.
 411 #
 412 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
 413 # is correctly output on stderr.
 414 #
 415 # If BISON-OPTIONS contains `%error-verbose', then make sure the
 416 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
 417 # on STDERR.
 418 #
 419 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
 420 # is the number of expected lines on stderr.
 421 m4_define([_AT_CHECK_CALC_ERROR],
 422 [m4_bmatch([$3], [^/],
 423            [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
 424            [AT_DATA([[input]],
 425 [[$3
 426 ]])
 427 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
 428
 429 # Normalize the observed and expected error messages, depending upon the
 430 # options.
 431 # 1. Remove the traces from observed.
 432 sed '/^Starting/d
 433 /^Entering/d
 434 /^Stack/d
 435 /^Reading/d
 436 /^Reducing/d
 437 /^Return/d
 438 /^Shifting/d
 439 /^state/d
 440 /^Cleanup:/d
 441 /^Error:/d
 442 /^Next/d
 443 /^Now/d
 444 /^Discarding/d
 445 / \$[[0-9$]]* = /d
 446 /^yydestructor:/d' stderr >at-stderr
 447 mv at-stderr stderr
 448 # 2. Create the reference error message.
 449 AT_DATA([[expout]],
 450 [$5
 451 ])
 452 # 3. If locations are not used, remove them.
 453 AT_YYERROR_SEES_LOC_IF([],
 454 [[sed 's/^[-0-9.]*: //' expout >at-expout
 455 mv at-expout expout]])
 456 # 4. If error-verbose is not used, strip the`, unexpected....' part.
 457 m4_bmatch([$1], [%error-verbose], [],
 458 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 459 mv at-expout expout]])
 460 # 5. Check
 461 AT_CHECK([cat stderr], 0, [expout])
 462 ])
 463
 464
 465 # AT_CHECK_SPACES([FILE])
 466 # -----------------------
 467 # Make sure we did not introduce bad spaces.  Checked here because all
 468 # the skeletons are (or should be) exercized here.
 469 m4_define([AT_CHECK_SPACES],
 470 [AT_CHECK([$PERL -ne '
 471   chomp;
 472   print "$.: {$_}\n"
 473     if (# No starting/ending empty lines.
 474         (eof || $. == 1) && /^\s*$/
 475         # No trailing space.  FIXME: not ready for "maint".
 476         # || /\s$/
 477         )' $1
 478 ])dnl
 479 ])
 480
 481
 482 # AT_CHECK_CALC([BISON-OPTIONS])
 483 # ------------------------------
 484 # Start a testing chunk which compiles `calc' grammar with
 485 # BISON-OPTIONS, and performs several tests over the parser.
 486 m4_define([AT_CHECK_CALC],
 487 [m4_ifval([$2], [m4_fatal([$0: expected a single argument])])
 488
 489 # We use integers to avoid dependencies upon the precision of doubles.
 490 AT_SETUP([Calculator $1])
 491
 492 AT_BISON_OPTION_PUSHDEFS([$1])
 493
 494 AT_DATA_CALC_Y([$1])
 495 AT_FULL_COMPILE([calc], AT_DEFINES_IF([[lex], [main]]))
 496 AT_CHECK_SPACES([calc.AT_SKEL_CC_IF([cc], [c])])
 497 AT_DEFINES_IF([AT_CHECK_SPACES([calc.AT_SKEL_CC_IF([hh], [h])])])
 498
 499 # Test the priorities.
 500 _AT_CHECK_CALC([$1],
 501 [1 + 2 * 3 = 7
 502 1 + 2 * -3 = -5
 503
 504 -1^2 = -1
 505 (-1)^2 = 1
 506
 507 ---1 = -1
 508
 509 1 - 2 - 3 = -4
 510 1 - (2 - 3) = 2
 511
 512 2^2^3 = 256
 513 (2^2)^3 = 64],
 514                [842])
 515
 516 # Some syntax errors.
 517 _AT_CHECK_CALC_ERROR([$1], [1], [1 2], [15],
 518                      [1.3: syntax error, unexpected number])
 519 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
 520                      [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 521 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
 522                      [1.1: syntax error, unexpected $undefined])
 523 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
 524                      [1.7: syntax error, unexpected '='])
 525 _AT_CHECK_CALC_ERROR([$1], [1],
 526                      [
 527 +1],
 528                      [20],
 529                      [2.1: syntax error, unexpected '+'])
 530 # Exercise error messages with EOF: work on an empty file.
 531 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 532                      [1.1: syntax error, unexpected end of input])
 533
 534 # Exercise the error token: without it, we die at the first error,
 535 # hence be sure to
 536 #
 537 # - have several errors which exercise different shift/discardings
 538 #   - (): nothing to pop, nothing to discard
 539 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 540 #   - (* * *): nothing to pop, a lot to discard
 541 #   - (1 + 2 * *): some to pop and discard
 542 #
 543 # - test the action associated to `error'
 544 #
 545 # - check the lookahead that triggers an error is not discarded
 546 #   when we enter error recovery.  Below, the lookahead causing the
 547 #   first error is ")", which is needed to recover from the error and
 548 #   produce the "0" that triggers the "0 != 1" error.
 549 #
 550 _AT_CHECK_CALC_ERROR([$1], [0],
 551                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 552                      [250],
 553 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 554 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 555 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 556 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 557 calc: error: 4444 != 1])
 558
 559 # The same, but this time exercising explicitly triggered syntax errors.
 560 # POSIX says the lookahead causing the error should not be discarded.
 561 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (1 2) = 1], [102],
 562 [1.10: syntax error, unexpected number
 563 calc: error: 2222 != 1])
 564 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (1 2) = 1], [113],
 565 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 566 1.12: syntax error, unexpected number
 567 calc: error: 2222 != 1])
 568
 569 # Check that yyerrok works properly: second error is not reported,
 570 # third and fourth are.  Parse status is succesfull.
 571 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
 572 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 573 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 574 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
 575
 576 AT_BISON_OPTION_POPDEFS
 577
 578 AT_CLEANUP
 579 ])# AT_CHECK_CALC
 580
 581
 582
 583
 584 # ------------------------ #
 585 # Simple LALR Calculator.  #
 586 # ------------------------ #
 587
 588 AT_BANNER([[Simple LALR(1) Calculator.]])
 589
 590 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
 591 # -----------------------------------
 592 # Start a testing chunk which compiles `calc' grammar with
 593 # BISON-OPTIONS, and performs several tests over the parser.
 594 m4_define([AT_CHECK_CALC_LALR],
 595 [AT_CHECK_CALC($@)])
 596
 597 AT_CHECK_CALC_LALR()
 598
 599 AT_CHECK_CALC_LALR([%defines])
 600 AT_CHECK_CALC_LALR([%locations])
 601
 602 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 603 AT_CHECK_CALC_LALR([%verbose])
 604 AT_CHECK_CALC_LALR([%yacc])
 605 AT_CHECK_CALC_LALR([%error-verbose])
 606
 607 AT_CHECK_CALC_LALR([%define api.pure %locations])
 608 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %locations])
 609 AT_CHECK_CALC_LALR([%error-verbose %locations])
 610
 611 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 612 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %define api.prefix "calc" %verbose %yacc])
 613
 614 AT_CHECK_CALC_LALR([%debug])
 615 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 616 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc])
 617
 618 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 619 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc])
 620
 621 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 622
 623
 624 # ----------------------- #
 625 # Simple GLR Calculator.  #
 626 # ----------------------- #
 627
 628 AT_BANNER([[Simple GLR Calculator.]])
 629
 630 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
 631 # ----------------------------------
 632 # Start a testing chunk which compiles `calc' grammar with
 633 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
 634 m4_define([AT_CHECK_CALC_GLR],
 635 [AT_CHECK_CALC([%glr-parser] $@)])
 636
 637
 638 AT_CHECK_CALC_GLR()
 639
 640 AT_CHECK_CALC_GLR([%defines])
 641 AT_CHECK_CALC_GLR([%locations])
 642 AT_CHECK_CALC_GLR([%name-prefix "calc"])
 643 AT_CHECK_CALC_GLR([%define api.prefix "calc"])
 644 AT_CHECK_CALC_GLR([%verbose])
 645 AT_CHECK_CALC_GLR([%yacc])
 646 AT_CHECK_CALC_GLR([%error-verbose])
 647
 648 AT_CHECK_CALC_GLR([%define api.pure %locations])
 649 AT_CHECK_CALC_GLR([%error-verbose %locations])
 650
 651 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 652
 653 AT_CHECK_CALC_GLR([%debug])
 654 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 655 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc])
 656
 657 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 658
 659 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}])
 660 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 661
 662
 663 # ----------------------------- #
 664 # Simple LALR1 C++ Calculator.  #
 665 # ----------------------------- #
 666
 667 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
 668
 669 # First let's try using %skeleton
 670 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
 671
 672 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
 673 # ---------------------------------------
 674 # Start a testing chunk which compiles `calc' grammar with
 675 # the C++ skeleton, and performs several tests over the parser.
 676 m4_define([AT_CHECK_CALC_LALR1_CC],
 677 [AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
 678
 679 AT_CHECK_CALC_LALR1_CC([])
 680 AT_CHECK_CALC_LALR1_CC([%define location_type Span])
 681 AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 682 AT_CHECK_CALC_LALR1_CC([%error-verbose %define api.prefix "calc" %verbose %yacc])
 683 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 684
 685 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc])
 686
 687 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 688 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 689
 690
 691
 692 # --------------------------- #
 693 # Simple GLR C++ Calculator.  #
 694 # --------------------------- #
 695
 696 AT_BANNER([[Simple GLR C++ Calculator.]])
 697
 698 # Again, we try also using %skeleton.
 699 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
 700
 701 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
 702 # -------------------------------------
 703 # Start a testing chunk which compiles `calc' grammar with
 704 # the GLR C++ skeleton, and performs several tests over the parser.
 705 m4_define([AT_CHECK_CALC_GLR_CC],
 706 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
 707
 708 AT_CHECK_CALC_GLR_CC([])
 709 AT_CHECK_CALC_GLR_CC([%define location_type Span])
 710 AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 711 AT_CHECK_CALC_GLR_CC([%error-verbose %define api.prefix "calc" %verbose %yacc])
 712
 713 AT_CHECK_CALC_GLR_CC([%debug])
 714 AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 715
 716 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
 717
 718 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 719 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])