tests/calc.at

   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 %precedence 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 AT_FULL_COMPILE([calc])
 457
 458 # Test the priorities.
 459 _AT_CHECK_CALC([$1],
 460 [1 + 2 * 3 = 7
 461 1 + 2 * -3 = -5
 462
 463 -1^2 = -1
 464 (-1)^2 = 1
 465
 466 ---1 = -1
 467
 468 1 - 2 - 3 = -4
 469 1 - (2 - 3) = 2
 470
 471 2^2^3 = 256
 472 (2^2)^3 = 64],
 473                [842])
 474
 475 # Some syntax errors.
 476 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
 477                      [1.3: syntax error, unexpected number])
 478 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
 479                      [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 480 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
 481                      [1.1: syntax error, unexpected $undefined])
 482 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
 483                      [1.7: syntax error, unexpected '='])
 484 _AT_CHECK_CALC_ERROR([$1], [1],
 485                      [
 486 +1],
 487                      [20],
 488                      [2.1: syntax error, unexpected '+'])
 489 # Exercise error messages with EOF: work on an empty file.
 490 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 491                      [1.1: syntax error, unexpected end of input])
 492
 493 # Exercise the error token: without it, we die at the first error,
 494 # hence be sure to
 495 #
 496 # - have several errors which exercise different shift/discardings
 497 #   - (): nothing to pop, nothing to discard
 498 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 499 #   - (* * *): nothing to pop, a lot to discard
 500 #   - (1 + 2 * *): some to pop and discard
 501 #
 502 # - test the action associated to `error'
 503 #
 504 # - check the lookahead that triggers an error is not discarded
 505 #   when we enter error recovery.  Below, the lookahead causing the
 506 #   first error is ")", which is needed to recover from the error and
 507 #   produce the "0" that triggers the "0 != 1" error.
 508 #
 509 _AT_CHECK_CALC_ERROR([$1], [0],
 510                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 511                      [250],
 512 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 513 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 514 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 515 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 516 calc: error: 4444 != 1])
 517
 518 # The same, but this time exercising explicitly triggered syntax errors.
 519 # POSIX says the lookahead causing the error should not be discarded.
 520 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
 521 [1.10: syntax error, unexpected number
 522 calc: error: 2222 != 1])
 523 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
 524 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 525 1.12: syntax error, unexpected number
 526 calc: error: 2222 != 1])
 527
 528 # Check that yyerrok works properly: second error is not reported,
 529 # third and fourth are.  Parse status is succesfull.
 530 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
 531 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 532 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 533 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
 534
 535 AT_BISON_OPTION_POPDEFS
 536
 537 AT_CLEANUP
 538 ])# AT_CHECK_CALC
 539
 540
 541
 542
 543 # ------------------------ #
 544 # Simple LALR Calculator.  #
 545 # ------------------------ #
 546
 547 AT_BANNER([[Simple LALR(1) Calculator.]])
 548
 549 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
 550 # -----------------------------------
 551 # Start a testing chunk which compiles `calc' grammar with
 552 # BISON-OPTIONS, and performs several tests over the parser.
 553 m4_define([AT_CHECK_CALC_LALR],
 554 [AT_CHECK_CALC($@)])
 555
 556 AT_CHECK_CALC_LALR()
 557
 558 AT_CHECK_CALC_LALR([%defines])
 559 AT_CHECK_CALC_LALR([%locations])
 560 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 561 AT_CHECK_CALC_LALR([%verbose])
 562 AT_CHECK_CALC_LALR([%yacc])
 563 AT_CHECK_CALC_LALR([%error-verbose])
 564
 565 AT_CHECK_CALC_LALR([%define api.pure %locations])
 566 AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %locations])
 567 AT_CHECK_CALC_LALR([%error-verbose %locations])
 568
 569 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 570
 571 AT_CHECK_CALC_LALR([%debug])
 572 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 573
 574 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 575 AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 576
 577 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}])
 578
 579
 580 # ----------------------- #
 581 # Simple GLR Calculator.  #
 582 # ----------------------- #
 583
 584 AT_BANNER([[Simple GLR Calculator.]])
 585
 586 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
 587 # ----------------------------------
 588 # Start a testing chunk which compiles `calc' grammar with
 589 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
 590 m4_define([AT_CHECK_CALC_GLR],
 591 [AT_CHECK_CALC([%glr-parser] $@)])
 592
 593
 594 AT_CHECK_CALC_GLR()
 595
 596 AT_CHECK_CALC_GLR([%defines])
 597 AT_CHECK_CALC_GLR([%locations])
 598 AT_CHECK_CALC_GLR([%name-prefix "calc"])
 599 AT_CHECK_CALC_GLR([%verbose])
 600 AT_CHECK_CALC_GLR([%yacc])
 601 AT_CHECK_CALC_GLR([%error-verbose])
 602
 603 AT_CHECK_CALC_GLR([%define api.pure %locations])
 604 AT_CHECK_CALC_GLR([%error-verbose %locations])
 605
 606 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 607
 608 AT_CHECK_CALC_GLR([%debug])
 609 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 610
 611 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 612
 613 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}])
 614
 615
 616 # ----------------------------- #
 617 # Simple LALR1 C++ Calculator.  #
 618 # ----------------------------- #
 619
 620 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
 621
 622 # First let's try using %skeleton
 623 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
 624
 625 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
 626 # ---------------------------------------
 627 # Start a testing chunk which compiles `calc' grammar with
 628 # the C++ skeleton, and performs several tests over the parser.
 629 m4_define([AT_CHECK_CALC_LALR1_CC],
 630 [AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
 631
 632 AT_CHECK_CALC_LALR1_CC([])
 633 AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 634
 635 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 636
 637 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
 638
 639 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 640
 641
 642
 643 # --------------------------- #
 644 # Simple GLR C++ Calculator.  #
 645 # --------------------------- #
 646
 647 AT_BANNER([[Simple GLR C++ Calculator.]])
 648
 649 # Again, we try also using %skeleton.
 650 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
 651
 652 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
 653 # -------------------------------------
 654 # Start a testing chunk which compiles `calc' grammar with
 655 # the GLR C++ skeleton, and performs several tests over the parser.
 656 m4_define([AT_CHECK_CALC_GLR_CC],
 657 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
 658
 659 AT_CHECK_CALC_GLR_CC([])
 660 AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 661
 662 AT_CHECK_CALC_GLR_CC([%debug])
 663 AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 664
 665 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
 666
 667 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])