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 m4_define([_AT_DATA_CALC_Y],
  37 [m4_if([$1$2$3], $[1]$[2]$[3], [],
  38        [m4_fatal([$0: Invalid arguments: $@])])dnl
  39 m4_pushdef([AT_CALC_LEX],
  40 [[#include <ctype.h>
  41
  42 int ]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[);
  43 static int get_char (]AT_LEX_FORMALS[);
  44 static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
  45
  46 ]AT_LOCATION_IF([
  47 static YYLTYPE last_yylloc;
  48 ])[
  49 static int
  50 get_char (]AT_LEX_FORMALS[)
  51 {
  52   int res = getc (input);
  53   ]AT_USE_LEX_ARGS[;
  54 ]AT_LOCATION_IF([
  55   last_yylloc = AT_LOC;
  56   if (res == '\n')
  57     {
  58       AT_LOC_LAST_LINE++;
  59       AT_LOC_LAST_COLUMN = 1;
  60     }
  61   else
  62     AT_LOC_LAST_COLUMN++;
  63 ])[
  64   return res;
  65 }
  66
  67 static void
  68 unget_char (]AT_LEX_PRE_FORMALS[ int c)
  69 {
  70   ]AT_USE_LEX_ARGS[;
  71 ]AT_LOCATION_IF([
  72   /* Wrong when C == `\n'. */
  73   AT_LOC = last_yylloc;
  74 ])[
  75   ungetc (c, input);
  76 }
  77
  78 static int
  79 read_signed_integer (]AT_LEX_FORMALS[)
  80 {
  81   int c = get_char (]AT_LEX_ARGS[);
  82   int sign = 1;
  83   int n = 0;
  84
  85   ]AT_USE_LEX_ARGS[;
  86   if (c == '-')
  87     {
  88       c = get_char (]AT_LEX_ARGS[);
  89       sign = -1;
  90     }
  91
  92   while (isdigit (c))
  93     {
  94       n = 10 * n + (c - '0');
  95       c = get_char (]AT_LEX_ARGS[);
  96     }
  97
  98   unget_char (]AT_LEX_PRE_ARGS[ c);
  99
 100   return sign * n;
 101 }
 102
 103
 104 /*---------------------------------------------------------------.
 105 | Lexical analyzer returns an integer on the stack and the token |
 106 | NUM, or the ASCII character read if not a number.  Skips all   |
 107 | blanks and tabs, returns 0 for EOF.                            |
 108 `---------------------------------------------------------------*/
 109
 110 int
 111 ]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[)
 112 {
 113   static int init = 1;
 114   int c;
 115
 116   if (init)
 117     {
 118       init = 0;
 119 ]AT_LOCATION_IF([
 120       AT_LOC_LAST_COLUMN = 1;
 121       AT_LOC_LAST_LINE = 1;
 122 ])[
 123     }
 124
 125   /* Skip current token, then white spaces.  */
 126   do
 127     {
 128 ]AT_LOCATION_IF(
 129 [     AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN;
 130       AT_LOC_FIRST_LINE   = AT_LOC_LAST_LINE;
 131 ])[
 132     }
 133   while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t');
 134
 135   /* process numbers   */
 136   if (c == '.' || isdigit (c))
 137     {
 138       unget_char (]AT_LEX_PRE_ARGS[ c);
 139       ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
 140       return NUM;
 141     }
 142
 143   /* Return end-of-file.  */
 144   if (c == EOF)
 145     return CALC_EOF;
 146
 147   /* Return single chars. */
 148   return c;
 149 }
 150 ]])
 151
 152 AT_DATA_GRAMMAR([calc.y],
 153 [[/* Infix notation calculator--calc */
 154 ]$4
 155 AT_SKEL_CC_IF(
 156 [%define global_tokens_and_yystype])[
 157 %code requires
 158 {
 159 ]AT_LOCATION_TYPE_IF([[
 160 # include <iostream>
 161   struct Point
 162   {
 163     int l;
 164     int c;
 165   };
 166
 167   struct Span
 168   {
 169     Point first;
 170     Point last;
 171   };
 172
 173 # define YYLLOC_DEFAULT(Current, Rhs, N)                                \
 174   do                                                                    \
 175     if (N)                                                              \
 176       {                                                                 \
 177         (Current).first = YYRHSLOC (Rhs, 1).first;                      \
 178         (Current).last  = YYRHSLOC (Rhs, N).last;                       \
 179       }                                                                 \
 180     else                                                                \
 181       {                                                                 \
 182         (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last;      \
 183       }                                                                 \
 184   while (false)
 185
 186 ]])[
 187   /* Exercise pre-prologue dependency to %union.  */
 188   typedef int semantic_value;
 189 }
 190
 191 /* Exercise %union. */
 192 %union
 193 {
 194   semantic_value ival;
 195 };
 196
 197 %code provides
 198 {
 199 #include <stdio.h>
 200 /* The input.  */
 201 extern FILE *input;]AT_SKEL_CC_IF([[
 202 #ifndef YYLTYPE
 203 # define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type
 204 #endif
 205 ]])[
 206 }
 207
 208 %code
 209 {
 210 #include <assert.h>
 211 #include <stdlib.h>
 212 #include <string.h>
 213 #if HAVE_UNISTD_H
 214 # include <unistd.h>
 215 #else
 216 # undef alarm
 217 # define alarm(seconds) /* empty */
 218 #endif
 219 #define USE(Var)
 220
 221 FILE *input;
 222 static semantic_value global_result = 0;
 223 static int global_count = 0;
 224 static int power (int base, int exponent);
 225
 226 ]AT_SKEL_CC_IF(,
 227 [/* yyerror receives the location if:
 228    - %location & %pure & %glr
 229    - %location & %pure & %yacc & %parse-param. */
 230 static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 231                      AT_PARAM_IF([semantic_value *result, int *count, ])
 232                      const char *s
 233                      );])[
 234 int yylex (]AT_LEX_FORMALS[);
 235 }
 236
 237 ]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([], [
 238 /* The lalr1.cc skeleton, for backward compatibility, defines
 239    a constructor for position that initializes the filename.  The
 240    glr.cc skeleton does not (and in fact cannot: location/position
 241    are stored in a union, from which objects with constructors are
 242    excluded in C++. */
 243 %initial-action {
 244   @$.initialize ();
 245 }
 246 ])])[
 247
 248 /* Bison Declarations */
 249 %token CALC_EOF 0 "end of input"
 250 %token <ival> NUM "number"
 251 %type  <ival> exp
 252
 253 %nonassoc '=' /* comparison            */
 254 %left '-' '+'
 255 %left '*' '/'
 256 %left NEG     /* negation--unary minus */
 257 %right '^'    /* exponentiation        */
 258
 259 /* Grammar follows */
 260 %%
 261 input:
 262   line
 263 | input line         { ]AT_PARAM_IF([++*count; ++global_count;])[ }
 264 ;
 265
 266 line:
 267   '\n'
 268 | exp '\n'           { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
 269 ;
 270
 271 exp:
 272   NUM                { $$ = $1;             }
 273 | exp '=' exp
 274   {
 275     if ($1 != $3)
 276       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
 277     $$ = $1;
 278   }
 279 | exp '+' exp        { $$ = $1 + $3;        }
 280 | exp '-' exp        { $$ = $1 - $3;        }
 281 | exp '*' exp        { $$ = $1 * $3;        }
 282 | exp '/' exp        { $$ = $1 / $3;        }
 283 | '-' exp  %prec NEG { $$ = -$2;            }
 284 | exp '^' exp        { $$ = power ($1, $3); }
 285 | '(' exp ')'        { $$ = $2;             }
 286 | '(' error ')'      { $$ = 1111; yyerrok;  }
 287 | '!'                { $$ = 0; YYERROR;     }
 288 | '-' error          { $$ = 0; YYERROR;     }
 289 ;
 290 %%
 291
 292 ]AT_SKEL_CC_IF(
 293 [AT_LOCATION_TYPE_IF([[
 294   std::ostream&
 295   operator<< (std::ostream& o, const Span& s)
 296   {
 297     o << s.first.l << '.' << s.first.c;
 298     if (s.first.l != s.last.l)
 299       o << '-' << s.last.l << '.' << s.last.c - 1;
 300     else if (s.first.c != s.last.c - 1)
 301       o << '-' << s.last.c - 1;
 302     return o;
 303   }
 304 ]])
 305
 306 /* A C++ error reporting function.  */
 307 void
 308 AT_NAME_PREFIX::parser::error (const location_type& l, const std::string& m)
 309 {
 310   (void) l;
 311   std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
 312 }
 313
 314 /* A C++ yyparse that simulates the C signature.  */
 315 int
 316 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
 317 {
 318   AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
 319 #if YYDEBUG
 320   parser.set_debug_level (1);
 321 #endif
 322   return parser.parse ();
 323 }
 324 ],
 325 [/* A C error reporting function.  */
 326 static void
 327 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 328          AT_PARAM_IF([semantic_value *result, int *count, ])
 329          const char *s)
 330 {
 331 AT_PARAM_IF([(void) result; (void) count;])
 332 AT_YYERROR_SEES_LOC_IF([
 333   fprintf (stderr, "%d.%d",
 334            AT_LOC_FIRST_LINE, AT_LOC_FIRST_COLUMN);
 335   if (AT_LOC_FIRST_LINE != AT_LOC_LAST_LINE)
 336     fprintf (stderr, "-%d.%d",
 337              AT_LOC_LAST_LINE,  AT_LOC_LAST_COLUMN - 1);
 338   else if (AT_LOC_FIRST_COLUMN != AT_LOC_LAST_COLUMN - 1)
 339     fprintf (stderr, "-%d",
 340              AT_LOC_LAST_COLUMN - 1);
 341   fprintf (stderr, ": ");])
 342   fprintf (stderr, "%s\n", s);
 343 }])[
 344
 345 ]AT_DEFINES_IF(, [AT_CALC_LEX])[
 346
 347 static int
 348 power (int base, int exponent)
 349 {
 350   int res = 1;
 351   assert (0 <= exponent);
 352   for (/* Niente */; exponent; --exponent)
 353     res *= base;
 354   return res;
 355 }
 356
 357
 358 /* A C main function.  */
 359 int
 360 main (int argc, const char **argv)
 361 {
 362   semantic_value result = 0;
 363   int count = 0;
 364   int status;
 365
 366   /* This used to be alarm (10), but that isn't enough time for
 367      a July 1995 vintage DEC Alphastation 200 4/100 system,
 368      according to Nelson H. F. Beebe.  100 seconds is enough.  */
 369   alarm (100);
 370
 371   if (argc == 2)
 372     input = fopen (argv[1], "r");
 373   else
 374     input = stdin;
 375
 376   if (!input)
 377     {
 378       perror (argv[1]);
 379       return 3;
 380     }
 381
 382 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
 383 [  yydebug = 1;])])[
 384   status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
 385   if (fclose (input))
 386     perror ("fclose");
 387   if (global_result != result)
 388     abort ();
 389   if (global_count != count)
 390     abort ();
 391   return status;
 392 }
 393 ]])
 394 AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])],
 395 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 396
 397 ]AT_CALC_LEX])])
 398 m4_popdef([AT_CALC_LEX])
 399 ])# _AT_DATA_CALC_Y
 400
 401
 402 # AT_DATA_CALC_Y([BISON-OPTIONS])
 403 # -------------------------------
 404 # Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
 405 # `calc-lex.cc'.
 406 m4_define([AT_DATA_CALC_Y],
 407 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
 408 ])
 409
 410
 411
 412 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
 413 # --------------------------------------------------------
 414 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 415 #
 416 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
 417 #
 418 # NUM-STDERR-LINES is the number of expected lines on stderr.
 419 # Currently this is ignored, though, since the output format is fluctuating.
 420 #
 421 # We don't count GLR's traces yet, since its traces are somewhat
 422 # different from LALR's.
 423 m4_define([_AT_CHECK_CALC],
 424 [AT_DATA([[input]],
 425 [[$2
 426 ]])
 427 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
 428 ])
 429
 430
 431 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
 432 #                      [NUM-STDERR-LINES],
 433 #                      [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 434 # ---------------------------------------------------------
 435 # Run `calc' on INPUT, and expect a `syntax error' message.
 436 #
 437 # If INPUT starts with a slash, it is used as absolute input file name,
 438 # otherwise as contents.
 439 #
 440 # NUM-STDERR-LINES is the number of expected lines on stderr.
 441 # Currently this is ignored, though, since the output format is fluctuating.
 442 #
 443 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
 444 # is correctly output on stderr.
 445 #
 446 # If BISON-OPTIONS contains `%error-verbose', then make sure the
 447 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
 448 # on STDERR.
 449 #
 450 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
 451 # is the number of expected lines on stderr.
 452 m4_define([_AT_CHECK_CALC_ERROR],
 453 [m4_bmatch([$3], [^/],
 454            [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
 455            [AT_DATA([[input]],
 456 [[$3
 457 ]])
 458 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
 459
 460 # Normalize the observed and expected error messages, depending upon the
 461 # options.
 462 # 1. Remove the traces from observed.
 463 sed '/^Starting/d
 464 /^Entering/d
 465 /^Stack/d
 466 /^Reading/d
 467 /^Reducing/d
 468 /^Return/d
 469 /^Shifting/d
 470 /^state/d
 471 /^Cleanup:/d
 472 /^Error:/d
 473 /^Next/d
 474 /^Now/d
 475 /^Discarding/d
 476 / \$[[0-9$]]* = /d
 477 /^yydestructor:/d' stderr >at-stderr
 478 mv at-stderr stderr
 479 # 2. Create the reference error message.
 480 AT_DATA([[expout]],
 481 [$5
 482 ])
 483 # 3. If locations are not used, remove them.
 484 AT_YYERROR_SEES_LOC_IF([],
 485 [[sed 's/^[-0-9.]*: //' expout >at-expout
 486 mv at-expout expout]])
 487 # 4. If error-verbose is not used, strip the`, unexpected....' part.
 488 m4_bmatch([$1], [%error-verbose], [],
 489 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 490 mv at-expout expout]])
 491 # 5. Check
 492 AT_CHECK([cat stderr], 0, [expout])
 493 ])
 494
 495
 496 # AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]])
 497 # --------------------------------------------------
 498 # Start a testing chunk which compiles `calc' grammar with
 499 # BISON-OPTIONS, and performs several tests over the parser.
 500 # However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
 501 m4_define([AT_CHECK_CALC],
 502 [# We use integers to avoid dependencies upon the precision of doubles.
 503 AT_SETUP([Calculator $1])
 504
 505 m4_ifval([$2], [AT_CHECK([exit 77])])
 506
 507 AT_BISON_OPTION_PUSHDEFS([$1])
 508
 509 AT_DATA_CALC_Y([$1])
 510 AT_FULL_COMPILE([calc], [AT_DEFINES_IF([[lex]])])
 511
 512 # Test the priorities.
 513 _AT_CHECK_CALC([$1],
 514 [1 + 2 * 3 = 7
 515 1 + 2 * -3 = -5
 516
 517 -1^2 = -1
 518 (-1)^2 = 1
 519
 520 ---1 = -1
 521
 522 1 - 2 - 3 = -4
 523 1 - (2 - 3) = 2
 524
 525 2^2^3 = 256
 526 (2^2)^3 = 64],
 527                [842])
 528
 529 # Some syntax errors.
 530 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
 531                      [1.3: syntax error, unexpected number])
 532 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
 533                      [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 534 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
 535                      [1.1: syntax error, unexpected $undefined])
 536 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
 537                      [1.7: syntax error, unexpected '='])
 538 _AT_CHECK_CALC_ERROR([$1], [1],
 539                      [
 540 +1],
 541                      [20],
 542                      [2.1: syntax error, unexpected '+'])
 543 # Exercise error messages with EOF: work on an empty file.
 544 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 545                      [1.1: syntax error, unexpected end of input])
 546
 547 # Exercise the error token: without it, we die at the first error,
 548 # hence be sure to
 549 #
 550 # - have several errors which exercise different shift/discardings
 551 #   - (): nothing to pop, nothing to discard
 552 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 553 #   - (* * *): nothing to pop, a lot to discard
 554 #   - (1 + 2 * *): some to pop and discard
 555 #
 556 # - test the action associated to `error'
 557 #
 558 # - check the lookahead that triggers an error is not discarded
 559 #   when we enter error recovery.  Below, the lookahead causing the
 560 #   first error is ")", which is needed to recover from the error and
 561 #   produce the "0" that triggers the "0 != 1" error.
 562 #
 563 _AT_CHECK_CALC_ERROR([$1], [0],
 564                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 565                      [250],
 566 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 567 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 568 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 569 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 570 calc: error: 4444 != 1])
 571
 572 # The same, but this time exercising explicitly triggered syntax errors.
 573 # POSIX says the lookahead causing the error should not be discarded.
 574 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
 575 [1.10: syntax error, unexpected number
 576 calc: error: 2222 != 1])
 577 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
 578 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 579 1.12: syntax error, unexpected number
 580 calc: error: 2222 != 1])
 581
 582 # Check that yyerrok works properly: second error is not reported,
 583 # third and fourth are.  Parse status is succesfull.
 584 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
 585 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 586 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 587 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
 588
 589 AT_BISON_OPTION_POPDEFS
 590
 591 AT_CLEANUP
 592 ])# AT_CHECK_CALC
 593
 594
 595
 596
 597 # ------------------------ #
 598 # Simple LALR Calculator.  #
 599 # ------------------------ #
 600
 601 AT_BANNER([[Simple LALR(1) Calculator.]])
 602
 603 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
 604 # -----------------------------------
 605 # Start a testing chunk which compiles `calc' grammar with
 606 # BISON-OPTIONS, and performs several tests over the parser.
 607 m4_define([AT_CHECK_CALC_LALR],
 608 [AT_CHECK_CALC($@)])
 609
 610 AT_CHECK_CALC_LALR()
 611
 612 AT_CHECK_CALC_LALR([%defines])
 613 AT_CHECK_CALC_LALR([%locations])
 614
 615 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 616 AT_CHECK_CALC_LALR([%verbose])
 617 AT_CHECK_CALC_LALR([%yacc])
 618 AT_CHECK_CALC_LALR([%error-verbose])
 619
 620 AT_CHECK_CALC_LALR([%define api.pure %locations])
 621 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %locations])
 622 AT_CHECK_CALC_LALR([%error-verbose %locations])
 623
 624 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 625
 626 AT_CHECK_CALC_LALR([%debug])
 627 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 628
 629 AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 630 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 631
 632 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}])
 633
 634
 635 # ----------------------- #
 636 # Simple GLR Calculator.  #
 637 # ----------------------- #
 638
 639 AT_BANNER([[Simple GLR Calculator.]])
 640
 641 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
 642 # ----------------------------------
 643 # Start a testing chunk which compiles `calc' grammar with
 644 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
 645 m4_define([AT_CHECK_CALC_GLR],
 646 [AT_CHECK_CALC([%glr-parser] $@)])
 647
 648
 649 AT_CHECK_CALC_GLR()
 650
 651 AT_CHECK_CALC_GLR([%defines])
 652 AT_CHECK_CALC_GLR([%locations])
 653 AT_CHECK_CALC_GLR([%name-prefix "calc"])
 654 AT_CHECK_CALC_GLR([%verbose])
 655 AT_CHECK_CALC_GLR([%yacc])
 656 AT_CHECK_CALC_GLR([%error-verbose])
 657
 658 AT_CHECK_CALC_GLR([%define api.pure %locations])
 659 AT_CHECK_CALC_GLR([%error-verbose %locations])
 660
 661 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 662
 663 AT_CHECK_CALC_GLR([%debug])
 664 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 665
 666 AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 667
 668 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}])
 669
 670
 671 # ----------------------------- #
 672 # Simple LALR1 C++ Calculator.  #
 673 # ----------------------------- #
 674
 675 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
 676
 677 # First let's try using %skeleton
 678 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
 679
 680 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
 681 # ---------------------------------------
 682 # Start a testing chunk which compiles `calc' grammar with
 683 # the C++ skeleton, and performs several tests over the parser.
 684 m4_define([AT_CHECK_CALC_LALR1_CC],
 685 [AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
 686
 687 AT_CHECK_CALC_LALR1_CC([])
 688 AT_CHECK_CALC_LALR1_CC([%define location_type Span])
 689 AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 690 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 691
 692 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
 693
 694 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 695
 696
 697
 698 # --------------------------- #
 699 # Simple GLR C++ Calculator.  #
 700 # --------------------------- #
 701
 702 AT_BANNER([[Simple GLR C++ Calculator.]])
 703
 704 # Again, we try also using %skeleton.
 705 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
 706
 707 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
 708 # -------------------------------------
 709 # Start a testing chunk which compiles `calc' grammar with
 710 # the GLR C++ skeleton, and performs several tests over the parser.
 711 m4_define([AT_CHECK_CALC_GLR_CC],
 712 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
 713
 714 AT_CHECK_CALC_GLR_CC([])
 715 AT_CHECK_CALC_GLR_CC([%define location_type Span])
 716 AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
 717
 718 AT_CHECK_CALC_GLR_CC([%debug])
 719 AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
 720
 721 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
 722
 723 AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])