tests/calc.at

   1 # Simple calculator.                         -*- Autotest -*-
   2
   3 # Copyright (C) 2000-2013 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 #include <unistd.h>
  50
  51 AT_SKEL_CC_IF([[
  52 /* A C++ ]AT_NAME_PREFIX[parse that simulates the C signature.  */
  53 int
  54 ]AT_NAME_PREFIX[parse (]AT_PARAM_IF([semantic_value *result, int *count]))[
  55 {
  56   ]AT_NAME_PREFIX[::parser parser]AT_PARAM_IF([ (result, count)])[;
  57 #if ]AT_API_PREFIX[DEBUG
  58   parser.set_debug_level (1);
  59 #endif
  60   return parser.parse ();
  61 }
  62 ]])[
  63
  64 semantic_value global_result = 0;
  65 int global_count = 0;
  66
  67 /* A C main function.  */
  68 int
  69 main (int argc, const char **argv)
  70 {
  71   semantic_value result = 0;
  72   int count = 0;
  73   int status;
  74
  75   /* This used to be alarm (10), but that isn't enough time for a July
  76      1995 vintage DEC Alphastation 200 4/100 system, according to
  77      Nelson H. F. Beebe.  100 seconds was enough for regular users,
  78      but the Hydra build farm, which is heavily loaded needs more.  */
  79
  80   alarm (200);
  81
  82   if (argc == 2)
  83     input = fopen (argv[1], "r");
  84   else
  85     input = stdin;
  86
  87   if (!input)
  88     {
  89       perror (argv[1]);
  90       return 3;
  91     }
  92
  93 ]AT_SKEL_CC_IF([], [AT_DEBUG_IF([  ]AT_NAME_PREFIX[debug = 1;])])[
  94   status = ]AT_NAME_PREFIX[parse (]AT_PARAM_IF([[&result, &count]])[);
  95   if (fclose (input))
  96     perror ("fclose");
  97   assert (global_result == result);
  98   assert (global_count == count);
  99   return status;
 100 }
 101 ]])
 102
 103
 104 m4_pushdef([AT_CALC_LEX],
 105 [[#include <ctype.h>
 106
 107 ]AT_YYLEX_DECLARE_EXTERN[
 108 static int get_char (]AT_YYLEX_FORMALS[);
 109 static void unget_char (]AT_YYLEX_PRE_FORMALS[ int c);
 110
 111 ]AT_LOCATION_IF([
 112 static AT_YYLTYPE last_yylloc;
 113 ])[
 114 static int
 115 get_char (]AT_YYLEX_FORMALS[)
 116 {
 117   int res = getc (input);
 118   ]AT_USE_LEX_ARGS[;
 119 ]AT_LOCATION_IF([
 120   last_yylloc = AT_LOC;
 121   if (res == '\n')
 122     {
 123       AT_LOC_LAST_LINE++;
 124       AT_LOC_LAST_COLUMN = 1;
 125     }
 126   else
 127     AT_LOC_LAST_COLUMN++;
 128 ])[
 129   return res;
 130 }
 131
 132 static void
 133 unget_char (]AT_YYLEX_PRE_FORMALS[ int c)
 134 {
 135   ]AT_USE_LEX_ARGS[;
 136 ]AT_LOCATION_IF([
 137   /* Wrong when C == '\n'. */
 138   AT_LOC = last_yylloc;
 139 ])[
 140   ungetc (c, input);
 141 }
 142
 143 static int
 144 read_signed_integer (]AT_YYLEX_FORMALS[)
 145 {
 146   int c = get_char (]AT_YYLEX_ARGS[);
 147   int sign = 1;
 148   int n = 0;
 149
 150   ]AT_USE_LEX_ARGS[;
 151   if (c == '-')
 152     {
 153       c = get_char (]AT_YYLEX_ARGS[);
 154       sign = -1;
 155     }
 156
 157   while (isdigit (c))
 158     {
 159       n = 10 * n + (c - '0');
 160       c = get_char (]AT_YYLEX_ARGS[);
 161     }
 162
 163   unget_char (]AT_YYLEX_PRE_ARGS[ c);
 164
 165   return sign * n;
 166 }
 167
 168
 169 /*---------------------------------------------------------------.
 170 | Lexical analyzer returns an integer on the stack and the token |
 171 | NUM, or the ASCII character read if not a number.  Skips all   |
 172 | blanks and tabs, returns 0 for EOF.                            |
 173 `---------------------------------------------------------------*/
 174
 175 ]AT_YYLEX_PROTOTYPE[
 176 {
 177   int c;
 178   /* Skip current token, then white spaces.  */
 179   do
 180     {
 181 ]AT_LOCATION_IF(
 182 [     AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN;
 183       AT_LOC_FIRST_LINE   = AT_LOC_LAST_LINE;
 184 ])[
 185     }
 186   while ((c = get_char (]AT_YYLEX_ARGS[)) == ' ' || c == '\t');
 187
 188   /* process numbers   */
 189   if (c == '.' || isdigit (c))
 190     {
 191       unget_char (]AT_YYLEX_PRE_ARGS[ c);
 192       ]AT_VAL[.ival = read_signed_integer (]AT_YYLEX_ARGS[);
 193       return ]AT_TOKEN_PREFIX[NUM;
 194     }
 195
 196   /* Return end-of-file.  */
 197   if (c == EOF)
 198     return ]AT_TOKEN_PREFIX[CALC_EOF;
 199
 200   /* Return single chars. */
 201   return c;
 202 }
 203 ]])
 204
 205 AT_DATA_GRAMMAR([calc.y],
 206 [[/* Infix notation calculator--calc */
 207 ]$4
 208 AT_SKEL_CC_IF(
 209 [%define global_tokens_and_yystype])[
 210 %code requires
 211 {
 212 ]AT_LOCATION_TYPE_IF([[
 213 # include <iostream>
 214   struct Point
 215   {
 216     int l;
 217     int c;
 218   };
 219
 220   struct Span
 221   {
 222     Point first;
 223     Point last;
 224   };
 225
 226 # define YYLLOC_DEFAULT(Current, Rhs, N)                                \
 227   do                                                                    \
 228     if (N)                                                              \
 229       {                                                                 \
 230         (Current).first = YYRHSLOC (Rhs, 1).first;                      \
 231         (Current).last  = YYRHSLOC (Rhs, N).last;                       \
 232       }                                                                 \
 233     else                                                                \
 234       {                                                                 \
 235         (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last;      \
 236       }                                                                 \
 237   while (false)
 238
 239 ]])[
 240   /* Exercise pre-prologue dependency to %union.  */
 241   typedef int semantic_value;
 242 }
 243
 244 /* Exercise %union. */
 245 %union
 246 {
 247   semantic_value ival;
 248 };
 249 %printer { ]AT_SKEL_CC_IF([[yyoutput << $$]],
 250                           [[fprintf (yyoutput, "%d", $$)]])[; } <ival>;
 251
 252 %code provides
 253 {
 254   #include <stdio.h>
 255   /* The input.  */
 256   extern FILE *input;
 257   extern semantic_value global_result;
 258   extern int global_count;
 259 }
 260
 261 %code
 262 {
 263 #include <assert.h>
 264 #include <string.h>
 265 #define USE(Var)
 266
 267 FILE *input;
 268 static int power (int base, int exponent);
 269
 270 ]AT_YYERROR_DECLARE[
 271 ]AT_YYLEX_DECLARE_EXTERN[
 272 }
 273
 274 ]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([[
 275 %initial-action
 276 {
 277   @$.first.l = @$.first.c = 1;
 278   @$.last = @$.first;
 279 }]])])[
 280
 281 /* Bison Declarations */
 282 %token CALC_EOF 0 "end of input"
 283 %token <ival> NUM "number"
 284 %type  <ival> exp
 285
 286 %nonassoc '='   /* comparison          */
 287 %left '-' '+'
 288 %left '*' '/'
 289 %precedence NEG /* negation--unary minus */
 290 %right '^'      /* exponentiation        */
 291
 292 /* Grammar follows */
 293 %%
 294 input:
 295   line
 296 | input line         { ]AT_PARAM_IF([++*count; ++global_count;])[ }
 297 ;
 298
 299 line:
 300   '\n'
 301 | exp '\n'           { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
 302 ;
 303
 304 exp:
 305   NUM                { $$ = $1;             }
 306 | exp '=' exp
 307   {
 308     if ($1 != $3)
 309       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
 310     $$ = $1;
 311   }
 312 | exp '+' exp        { $$ = $1 + $3;        }
 313 | exp '-' exp        { $$ = $1 - $3;        }
 314 | exp '*' exp        { $$ = $1 * $3;        }
 315 | exp '/' exp        { $$ = $1 / $3;        }
 316 | '-' exp  %prec NEG { $$ = -$2;            }
 317 | exp '^' exp        { $$ = power ($1, $3); }
 318 | '(' exp ')'        { $$ = $2;             }
 319 | '(' error ')'      { $$ = 1111; yyerrok;  }
 320 | '!'                { $$ = 0; YYERROR;     }
 321 | '-' error          { $$ = 0; YYERROR;     }
 322 ;
 323 %%
 324
 325 static int
 326 power (int base, int exponent)
 327 {
 328   int res = 1;
 329   assert (0 <= exponent);
 330   for (/* Niente */; exponent; --exponent)
 331     res *= base;
 332   return res;
 333 }
 334
 335 ]AT_SKEL_CC_IF(
 336 [AT_LOCATION_TYPE_IF([[
 337   std::ostream&
 338   operator<< (std::ostream& o, const Span& s)
 339   {
 340     o << s.first.l << '.' << s.first.c;
 341     if (s.first.l != s.last.l)
 342       o << '-' << s.last.l << '.' << s.last.c - 1;
 343     else if (s.first.c != s.last.c - 1)
 344       o << '-' << s.last.c - 1;
 345     return o;
 346   }
 347 ]])])[
 348 ]AT_YYERROR_DEFINE[
 349 ]AT_DEFINES_IF([],
 350 [AT_CALC_LEX
 351 AT_CALC_MAIN])])
 352
 353 AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])],
 354 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 355
 356 ]AT_CALC_LEX])
 357 AT_DATA_SOURCE([[calc-main.c]AT_SKEL_CC_IF([[c]])],
 358 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 359
 360 ]AT_CALC_MAIN])
 361 ])
 362 m4_popdef([AT_CALC_MAIN])
 363 m4_popdef([AT_CALC_LEX])
 364 ])# _AT_DATA_CALC_Y
 365
 366
 367 # AT_DATA_CALC_Y([BISON-OPTIONS])
 368 # -------------------------------
 369 # Produce 'calc.y' and, if %defines was specified, 'calc-lex.c' or
 370 # 'calc-lex.cc'.
 371 m4_define([AT_DATA_CALC_Y],
 372 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
 373 ])
 374
 375
 376
 377 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
 378 # --------------------------------------------------------
 379 # Run 'calc' on INPUT and expect no STDOUT nor STDERR.
 380 #
 381 # If BISON-OPTIONS contains '%debug' but not '%glr-parser', then
 382 #
 383 # NUM-STDERR-LINES is the number of expected lines on stderr.
 384 # Currently this is ignored, though, since the output format is fluctuating.
 385 #
 386 # We don't count GLR's traces yet, since its traces are somewhat
 387 # different from LALR's.
 388 m4_define([_AT_CHECK_CALC],
 389 [AT_DATA([[input]],
 390 [[$2
 391 ]])
 392 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
 393 ])
 394
 395
 396 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
 397 #                      [NUM-STDERR-LINES],
 398 #                      [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 399 # ---------------------------------------------------------
 400 # Run 'calc' on INPUT, and expect a 'syntax error' message.
 401 #
 402 # If INPUT starts with a slash, it is used as absolute input file name,
 403 # otherwise as contents.
 404 #
 405 # NUM-STDERR-LINES is the number of expected lines on stderr.
 406 # Currently this is ignored, though, since the output format is fluctuating.
 407 #
 408 # If BISON-OPTIONS contains '%location', then make sure the ERROR-LOCATION
 409 # is correctly output on stderr.
 410 #
 411 # If BISON-OPTIONS contains '%define parse.error verbose', then make sure the
 412 # IF-YYERROR-VERBOSE message is properly output after 'syntax error, '
 413 # on STDERR.
 414 #
 415 # If BISON-OPTIONS contains '%debug' but not '%glr', then NUM-STDERR-LINES
 416 # is the number of expected lines on stderr.
 417 m4_define([_AT_CHECK_CALC_ERROR],
 418 [m4_bmatch([$3], [^/],
 419            [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
 420            [AT_DATA([[input]],
 421 [[$3
 422 ]])
 423 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
 424
 425 # Normalize the observed and expected error messages, depending upon the
 426 # options.
 427 # 1. Remove the traces from observed.
 428 sed '/^Starting/d
 429 /^Entering/d
 430 /^Stack/d
 431 /^Reading/d
 432 /^Reducing/d
 433 /^Return/d
 434 /^Shifting/d
 435 /^state/d
 436 /^Cleanup:/d
 437 /^Error:/d
 438 /^Next/d
 439 /^Now/d
 440 /^Discarding/d
 441 / \$[[0-9$]]* = /d
 442 /^yydestructor:/d' stderr >at-stderr
 443 mv at-stderr stderr
 444 # 2. Create the reference error message.
 445 AT_DATA([[expout]],
 446 [$5
 447 ])
 448 # 3. If locations are not used, remove them.
 449 AT_YYERROR_SEES_LOC_IF([],
 450 [[sed 's/^[-0-9.]*: //' expout >at-expout
 451 mv at-expout expout]])
 452 # 4. If error-verbose is not used, strip the', unexpected....' part.
 453 m4_bmatch([$1], [%define parse.error verbose], [],
 454 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 455 mv at-expout expout]])
 456 # 5. Check
 457 AT_CHECK([cat stderr], 0, [expout])
 458 ])
 459
 460
 461 # AT_CHECK_SPACES([FILES])
 462 # ------------------------
 463 # Make sure we did not introduce bad spaces.  Checked here because all
 464 # the skeletons are (or should be) exercized here.
 465 m4_define([AT_CHECK_SPACES],
 466 [AT_CHECK([$PERL -ne '
 467   chomp;
 468   print "$ARGV:$.: {$_}\n"
 469     if (# No starting/ending empty lines.
 470         (eof || $. == 1) && /^\s*$/
 471         # No trailing space.
 472         || /\s$/
 473         # No tabs.
 474         || /\t/
 475         )' $1
 476 ])dnl
 477 ])
 478
 479
 480 # AT_CHECK_CALC([BISON-OPTIONS])
 481 # ------------------------------
 482 # Start a testing chunk which compiles 'calc' grammar with
 483 # BISON-OPTIONS, and performs several tests over the parser.
 484 m4_define([AT_CHECK_CALC],
 485 [m4_ifval([$2], [m4_fatal([$0: expected a single argument])])
 486
 487 # We use integers to avoid dependencies upon the precision of doubles.
 488 AT_SETUP([Calculator $1])
 489
 490 AT_BISON_OPTION_PUSHDEFS([$1])
 491
 492 AT_DATA_CALC_Y([$1])
 493 AT_FULL_COMPILE([calc], AT_DEFINES_IF([[lex], [main]]))
 494 AT_CHECK_SPACES(m4_join([ ],
 495                         [calc.AT_SKEL_CC_IF([cc], [c])],
 496                         [AT_DEFINES_IF([calc.AT_SKEL_CC_IF([hh], [h])])]))
 497
 498 # Test the priorities.
 499 _AT_CHECK_CALC([$1],
 500 [1 + 2 * 3 = 7
 501 1 + 2 * -3 = -5
 502
 503 -1^2 = -1
 504 (-1)^2 = 1
 505
 506 ---1 = -1
 507
 508 1 - 2 - 3 = -4
 509 1 - (2 - 3) = 2
 510
 511 2^2^3 = 256
 512 (2^2)^3 = 64],
 513                [842])
 514
 515 # Some syntax errors.
 516 _AT_CHECK_CALC_ERROR([$1], [1], [1 2], [15],
 517                      [1.3: syntax error, unexpected number])
 518 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
 519                      [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 520 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
 521                      [1.1: syntax error, unexpected $undefined])
 522 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
 523                      [1.7: syntax error, unexpected '='])
 524 _AT_CHECK_CALC_ERROR([$1], [1],
 525                      [
 526 +1],
 527                      [20],
 528                      [2.1: syntax error, unexpected '+'])
 529 # Exercise error messages with EOF: work on an empty file.
 530 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 531                      [1.1: syntax error, unexpected end of input])
 532
 533 # Exercise the error token: without it, we die at the first error,
 534 # hence be sure to
 535 #
 536 # - have several errors which exercise different shift/discardings
 537 #   - (): nothing to pop, nothing to discard
 538 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 539 #   - (* * *): nothing to pop, a lot to discard
 540 #   - (1 + 2 * *): some to pop and discard
 541 #
 542 # - test the action associated to 'error'
 543 #
 544 # - check the lookahead that triggers an error is not discarded
 545 #   when we enter error recovery.  Below, the lookahead causing the
 546 #   first error is ")", which is needed to recover from the error and
 547 #   produce the "0" that triggers the "0 != 1" error.
 548 #
 549 _AT_CHECK_CALC_ERROR([$1], [0],
 550                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 551                      [250],
 552 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 553 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 554 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 555 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 556 calc: error: 4444 != 1])
 557
 558 # The same, but this time exercising explicitly triggered syntax errors.
 559 # POSIX says the lookahead causing the error should not be discarded.
 560 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (1 2) = 1], [102],
 561 [1.10: syntax error, unexpected number
 562 calc: error: 2222 != 1])
 563 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (1 2) = 1], [113],
 564 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 565 1.12: syntax error, unexpected number
 566 calc: error: 2222 != 1])
 567
 568 # Check that yyerrok works properly: second error is not reported,
 569 # third and fourth are.  Parse status is succesfull.
 570 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
 571 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 572 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 573 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
 574
 575 AT_BISON_OPTION_POPDEFS
 576
 577 AT_CLEANUP
 578 ])# AT_CHECK_CALC
 579
 580
 581
 582
 583 # ------------------------ #
 584 # Simple LALR Calculator.  #
 585 # ------------------------ #
 586
 587 AT_BANNER([[Simple LALR(1) Calculator.]])
 588
 589 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
 590 # -----------------------------------
 591 # Start a testing chunk which compiles 'calc' grammar with
 592 # BISON-OPTIONS, and performs several tests over the parser.
 593 m4_define([AT_CHECK_CALC_LALR],
 594 [AT_CHECK_CALC($@)])
 595
 596 AT_CHECK_CALC_LALR()
 597
 598 AT_CHECK_CALC_LALR([%defines])
 599 AT_CHECK_CALC_LALR([%locations])
 600
 601 AT_CHECK_CALC_LALR([%name-prefix "calc"])
 602 AT_CHECK_CALC_LALR([%verbose])
 603 AT_CHECK_CALC_LALR([%yacc])
 604 AT_CHECK_CALC_LALR([%define parse.error verbose])
 605
 606 AT_CHECK_CALC_LALR([%define api.pure full %locations])
 607 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure full %locations])
 608 AT_CHECK_CALC_LALR([%define parse.error verbose %locations])
 609
 610 AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %define api.prefix "calc" %verbose %yacc])
 611 AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %define api.token.prefix {TOK_} %verbose %yacc])
 612
 613 AT_CHECK_CALC_LALR([%debug])
 614 AT_CHECK_CALC_LALR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 615 AT_CHECK_CALC_LALR([%define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc])
 616
 617 AT_CHECK_CALC_LALR([%define api.pure full %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 618 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure full %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc])
 619
 620 AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 621
 622
 623 # ----------------------- #
 624 # Simple GLR Calculator.  #
 625 # ----------------------- #
 626
 627 AT_BANNER([[Simple GLR Calculator.]])
 628
 629 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
 630 # ----------------------------------
 631 # Start a testing chunk which compiles 'calc' grammar with
 632 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
 633 m4_define([AT_CHECK_CALC_GLR],
 634 [AT_CHECK_CALC([%glr-parser] $@)])
 635
 636
 637 AT_CHECK_CALC_GLR()
 638
 639 AT_CHECK_CALC_GLR([%defines])
 640 AT_CHECK_CALC_GLR([%locations])
 641 AT_CHECK_CALC_GLR([%name-prefix "calc"])
 642 AT_CHECK_CALC_GLR([%define api.prefix "calc"])
 643 AT_CHECK_CALC_GLR([%verbose])
 644 AT_CHECK_CALC_GLR([%yacc])
 645 AT_CHECK_CALC_GLR([%define parse.error verbose])
 646
 647 AT_CHECK_CALC_GLR([%define api.pure %locations])
 648 AT_CHECK_CALC_GLR([%define parse.error verbose %locations])
 649
 650 AT_CHECK_CALC_GLR([%define parse.error verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 651
 652 AT_CHECK_CALC_GLR([%debug])
 653 AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 654 AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %define api.prefix "calc" %define api.token.prefix {TOK_} %verbose %yacc])
 655
 656 AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 657
 658 AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 659 AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 660
 661
 662 # ----------------------------- #
 663 # Simple LALR1 C++ Calculator.  #
 664 # ----------------------------- #
 665
 666 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
 667
 668 # First let's try using %skeleton
 669 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines])
 670
 671 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
 672 # ---------------------------------------
 673 # Start a testing chunk which compiles 'calc' grammar with
 674 # the C++ skeleton, and performs several tests over the parser.
 675 m4_define([AT_CHECK_CALC_LALR1_CC],
 676 [AT_CHECK_CALC([%language "C++"] $@)])
 677
 678 AT_CHECK_CALC_LALR1_CC([])
 679 AT_CHECK_CALC_LALR1_CC([%locations])
 680 AT_CHECK_CALC_LALR1_CC([%locations %define api.location.type Span])
 681 AT_CHECK_CALC_LALR1_CC([%defines %locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])
 682
 683 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %define api.prefix "calc" %verbose %yacc])
 684 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 685
 686 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc])
 687 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %define api.prefix "calc" %define api.token.prefix {TOK_} %verbose %yacc])
 688
 689 AT_CHECK_CALC_LALR1_CC([%defines %locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 690
 691 AT_CHECK_CALC_LALR1_CC([%define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 692 AT_CHECK_CALC_LALR1_CC([%defines %locations %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 693
 694
 695
 696 # --------------------------- #
 697 # Simple GLR C++ Calculator.  #
 698 # --------------------------- #
 699
 700 AT_BANNER([[Simple GLR C++ Calculator.]])
 701
 702 # Again, we try also using %skeleton.
 703 AT_CHECK_CALC([%skeleton "glr.cc"])
 704
 705 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
 706 # -------------------------------------
 707 # Start a testing chunk which compiles 'calc' grammar with
 708 # the GLR C++ skeleton, and performs several tests over the parser.
 709 m4_define([AT_CHECK_CALC_GLR_CC],
 710 [AT_CHECK_CALC([%language "C++" %glr-parser] $@)])
 711
 712 AT_CHECK_CALC_GLR_CC([])
 713 AT_CHECK_CALC_GLR_CC([%locations])
 714 AT_CHECK_CALC_GLR_CC([%locations %define api.location.type Span])
 715 AT_CHECK_CALC_GLR_CC([%defines %define parse.error verbose %name-prefix "calc" %verbose %yacc])
 716 AT_CHECK_CALC_GLR_CC([%define parse.error verbose %define api.prefix "calc" %verbose %yacc])
 717
 718 AT_CHECK_CALC_GLR_CC([%debug])
 719
 720 AT_CHECK_CALC_GLR_CC([%define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 721 AT_CHECK_CALC_GLR_CC([%define parse.error verbose %debug %name-prefix "calc" %define api.token.prefix {TOK_} %verbose %yacc])
 722
 723 AT_CHECK_CALC_GLR_CC([%locations %defines %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 724 AT_CHECK_CALC_GLR_CC([%locations %defines %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])