1 # Simple calculator.                         -*- Autotest -*-
 
   3 # Copyright (C) 2000-2010 Free Software Foundation, Inc.
 
   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.
 
  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.
 
  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/>.
 
  18 ## ---------------------------------------------------- ##
 
  19 ## Compile the grammar described in the documentation.  ##
 
  20 ## ---------------------------------------------------- ##
 
  23 # ------------------------- #
 
  24 # Helping Autotest macros.  #
 
  25 # ------------------------- #
 
  28 # _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
 
  29 # -----------------------------------------------
 
  30 # Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
 
  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],
 
  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);
 
  47 static YYLTYPE last_yylloc;
 
  50 get_char (]AT_LEX_FORMALS[)
 
  52   int res = getc (input);
 
  59       AT_LOC.last_column = 1;
 
  68 unget_char (]AT_LEX_PRE_FORMALS[ int c)
 
  72   /* Wrong when C == `\n'. */
 
  79 read_signed_integer (]AT_LEX_FORMALS[)
 
  81   int c = get_char (]AT_LEX_ARGS[);
 
  88       c = get_char (]AT_LEX_ARGS[);
 
  94       n = 10 * n + (c - '0');
 
  95       c = get_char (]AT_LEX_ARGS[);
 
  98   unget_char (]AT_LEX_PRE_ARGS[ c);
 
 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 `---------------------------------------------------------------*/
 
 111 ]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[)
 
 120       AT_LOC.last_column = 1;
 
 121       AT_LOC.last_line = 1;
 
 126   AT_LOC.first_column = AT_LOC.last_column;
 
 127   AT_LOC.first_line   = AT_LOC.last_line;
 
 130   /* Skip white space.  */
 
 131   while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t')
 
 134 [     AT_LOC.first_column = AT_LOC.last_column;
 
 135       AT_LOC.first_line   = AT_LOC.last_line;
 
 139   /* process numbers   */
 
 140   if (c == '.' || isdigit (c))
 
 142       unget_char (]AT_LEX_PRE_ARGS[ c);
 
 143       ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
 
 144       return ]AT_TOKEN_PREFIX[NUM;
 
 147   /* Return end-of-file.  */
 
 149     return ]AT_TOKEN_PREFIX[CALC_EOF;
 
 151   /* Return single chars. */
 
 156 AT_DATA_GRAMMAR([calc.y],
 
 157 [[/* Infix notation calculator--calc */
 
 160 [%define global_tokens_and_yystype])[
 
 163 ]AT_LOCATION_TYPE_IF([
 
 177   /* Exercise pre-prologue dependency to %union.  */
 
 178   typedef int semantic_value;
 
 181 /* Exercise %union. */
 
 191 extern FILE *input;]AT_SKEL_CC_IF([[
 
 193 # define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type
 
 195 ]AT_LOCATION_TYPE_IF([[
 
 196   #define first_line   begin.l
 
 197   #define first_column begin.c
 
 198   #define last_line    end.l
 
 199   #define last_column  end.c
 
 201   #define first_line   begin.line
 
 202   #define first_column begin.column
 
 203   #define last_line    end.line
 
 204   #define last_column  end.column
 
 216 # define alarm(seconds) /* empty */
 
 221 static semantic_value global_result = 0;
 
 222 static int global_count = 0;
 
 223 static int power (int base, int exponent);
 
 225 [/* yyerror receives the location if:
 
 226    - %location & %pure & %glr
 
 227    - %location & %pure & %yacc & %parse-param. */
 
 228 static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 
 229                      AT_PARAM_IF([semantic_value *result, int *count, ])
 
 232 int yylex (]AT_LEX_FORMALS[);
 
 235 ]AT_SKEL_CC_IF([AT_LOCATION_IF([AT_LOCATION_TYPE_IF([], [
 
 236 /* The lalr1.cc skeleton, for backward compatibility, defines
 
 237    a constructor for position that initializes the filename.  The
 
 238    glr.cc skeleton does not (and in fact cannot: location/position
 
 239    are stored in a union, from which objects with constructors are
 
 246 /* Bison Declarations */
 
 247 %token CALC_EOF 0 "end of input"
 
 248 %token <ival> NUM "number"
 
 251 %nonassoc '='   /* comparison          */
 
 254 %precedence NEG /* negation--unary minus */
 
 255 %right '^'      /* exponentiation        */
 
 257 /* Grammar follows */
 
 261 | input line         { ]AT_PARAM_IF([++*count; ++global_count;])[ }
 
 266 | exp '\n'           { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
 
 274       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
 
 277 | exp '+' exp        { $$ = $1 + $3;        }
 
 278 | exp '-' exp        { $$ = $1 - $3;        }
 
 279 | exp '*' exp        { $$ = $1 * $3;        }
 
 280 | exp '/' exp        { $$ = $1 / $3;        }
 
 281 | '-' exp  %prec NEG { $$ = -$2;            }
 
 282 | exp '^' exp        { $$ = power ($1, $3); }
 
 283 | '(' exp ')'        { $$ = $2;             }
 
 284 | '(' error ')'      { $$ = 1111; yyerrok;  }
 
 285 | '!'                { $$ = 0; YYERROR;     }
 
 286 | '-' error          { $$ = 0; YYERROR;     }
 
 291 [AT_LOCATION_TYPE_IF([[
 
 293   operator<< (std::ostream& o, const Span& s)
 
 295     o << s.begin.l << '.' << s.begin.c;
 
 296     if (s.begin.l != s.end.l)
 
 297       o << '-' << s.end.l << '.' << s.end.c - 1;
 
 298     else if (s.begin.c != s.end.c - 1)
 
 299       o << '-' << s.end.c - 1;
 
 304 /* A C++ error reporting function.  */
 
 306 AT_NAME_PREFIX::parser::error (AT_LOCATION_IF([const location_type& l, ])const std::string& m)
 
 308   std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
 
 311 /* A C++ yyparse that simulates the C signature.  */
 
 313 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
 
 315   AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
 
 317   parser.set_debug_level (1);
 
 319   return parser.parse ();
 
 322 [/* A C error reporting function.  */
 
 324 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 
 325          AT_PARAM_IF([semantic_value *result, int *count, ])
 
 328 AT_PARAM_IF([(void) result; (void) count;])
 
 329 AT_YYERROR_SEES_LOC_IF([
 
 330   fprintf (stderr, "%d.%d",
 
 331            AT_LOC.first_line, AT_LOC.first_column);
 
 332   if (AT_LOC.first_line != AT_LOC.last_line)
 
 333     fprintf (stderr, "-%d.%d",
 
 334              AT_LOC.last_line,  AT_LOC.last_column - 1);
 
 335   else if (AT_LOC.first_column != AT_LOC.last_column - 1)
 
 336     fprintf (stderr, "-%d",
 
 337              AT_LOC.last_column - 1);
 
 338   fprintf (stderr, ": ");])
 
 339   fprintf (stderr, "%s\n", s);
 
 342 ]AT_DEFINES_IF(, [AT_CALC_LEX])[
 
 345 power (int base, int exponent)
 
 350   for (/* Niente */; exponent; --exponent)
 
 356 /* A C main function.  */
 
 358 main (int argc, const char **argv)
 
 360   semantic_value result = 0;
 
 364   /* This used to be alarm (10), but that isn't enough time for
 
 365      a July 1995 vintage DEC Alphastation 200 4/100 system,
 
 366      according to Nelson H. F. Beebe.  100 seconds is enough.  */
 
 370     input = fopen (argv[1], "r");
 
 380 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
 
 382   status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
 
 385   if (global_result != result)
 
 387   if (global_count != count)
 
 392 AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])],
 
 393 [[#include "calc.h]AT_SKEL_CC_IF([[h]])["
 
 396 m4_popdef([AT_CALC_LEX])
 
 400 # AT_DATA_CALC_Y([BISON-OPTIONS])
 
 401 # -------------------------------
 
 402 # Produce `calc.y' and, if %defines was specified, `calc-lex.c' or
 
 404 m4_define([AT_DATA_CALC_Y],
 
 405 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
 
 410 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
 
 411 # --------------------------------------------------------
 
 412 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 
 414 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
 
 416 # NUM-STDERR-LINES is the number of expected lines on stderr.
 
 417 # Currently this is ignored, though, since the output format is fluctuating.
 
 419 # We don't count GLR's traces yet, since its traces are somewhat
 
 420 # different from LALR's.
 
 421 m4_define([_AT_CHECK_CALC],
 
 425 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
 
 429 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
 
 430 #                      [NUM-STDERR-LINES],
 
 431 #                      [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 
 432 # ---------------------------------------------------------
 
 433 # Run `calc' on INPUT, and expect a `syntax error' message.
 
 435 # If INPUT starts with a slash, it is used as absolute input file name,
 
 436 # otherwise as contents.
 
 438 # NUM-STDERR-LINES is the number of expected lines on stderr.
 
 439 # Currently this is ignored, though, since the output format is fluctuating.
 
 441 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
 
 442 # is correctly output on stderr.
 
 444 # If BISON-OPTIONS contains `%define parse.error verbose', then make sure the
 
 445 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
 
 448 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
 
 449 # is the number of expected lines on stderr.
 
 450 m4_define([_AT_CHECK_CALC_ERROR],
 
 451 [m4_bmatch([$3], [^/],
 
 452            [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
 
 456 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
 
 458 # Normalize the observed and expected error messages, depending upon the
 
 460 # 1. Remove the traces from observed.
 
 475 /^yydestructor:/d' stderr >at-stderr
 
 477 # 2. Create the reference error message.
 
 481 # 3. If locations are not used, remove them.
 
 482 AT_YYERROR_SEES_LOC_IF([],
 
 483 [[sed 's/^[-0-9.]*: //' expout >at-expout
 
 484 mv at-expout expout]])
 
 485 # 4. If error-verbose is not used, strip the`, unexpected....' part.
 
 486 m4_bmatch([$1], [%define parse.error verbose], [],
 
 487 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 
 488 mv at-expout expout]])
 
 490 AT_CHECK([cat stderr], 0, [expout])
 
 494 # AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]])
 
 495 # --------------------------------------------------
 
 496 # Start a testing chunk which compiles `calc' grammar with
 
 497 # BISON-OPTIONS, and performs several tests over the parser.
 
 498 # However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
 
 499 m4_define([AT_CHECK_CALC],
 
 500 [# We use integers to avoid dependencies upon the precision of doubles.
 
 501 AT_SETUP([Calculator $1])
 
 503 m4_ifval([$2], [AT_CHECK([exit 77])])
 
 505 AT_BISON_OPTION_PUSHDEFS([$1])
 
 508 AT_FULL_COMPILE([calc], [AT_DEFINES_IF([[lex]])])
 
 510 # Test the priorities.
 
 527 # Some syntax errors.
 
 528 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
 
 529                      [1.3: syntax error, unexpected number])
 
 530 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
 
 531                      [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 
 532 _AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
 
 533                      [1.1: syntax error, unexpected $undefined])
 
 534 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
 
 535                      [1.7: syntax error, unexpected '='])
 
 536 _AT_CHECK_CALC_ERROR([$1], [1],
 
 540                      [2.1: syntax error, unexpected '+'])
 
 541 # Exercise error messages with EOF: work on an empty file.
 
 542 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 
 543                      [1.1: syntax error, unexpected end of input])
 
 545 # Exercise the error token: without it, we die at the first error,
 
 548 # - have several errors which exercise different shift/discardings
 
 549 #   - (): nothing to pop, nothing to discard
 
 550 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 
 551 #   - (* * *): nothing to pop, a lot to discard
 
 552 #   - (1 + 2 * *): some to pop and discard
 
 554 # - test the action associated to `error'
 
 556 # - check the lookahead that triggers an error is not discarded
 
 557 #   when we enter error recovery.  Below, the lookahead causing the
 
 558 #   first error is ")", which is needed to recover from the error and
 
 559 #   produce the "0" that triggers the "0 != 1" error.
 
 561 _AT_CHECK_CALC_ERROR([$1], [0],
 
 562                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 
 564 [1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 
 565 1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 
 566 1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 
 567 1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 
 568 calc: error: 4444 != 1])
 
 570 # The same, but this time exercising explicitly triggered syntax errors.
 
 571 # POSIX says the lookahead causing the error should not be discarded.
 
 572 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
 
 573 [1.10: syntax error, unexpected number
 
 574 calc: error: 2222 != 1])
 
 575 _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
 
 576 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 
 577 1.12: syntax error, unexpected number
 
 578 calc: error: 2222 != 1])
 
 580 # Check that yyerrok works properly: second error is not reported,
 
 581 # third and fourth are.  Parse status is succesfull.
 
 582 _AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
 
 583 [1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 
 584 1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 
 585 1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
 
 587 AT_BISON_OPTION_POPDEFS
 
 595 # ------------------------ #
 
 596 # Simple LALR Calculator.  #
 
 597 # ------------------------ #
 
 599 AT_BANNER([[Simple LALR(1) Calculator.]])
 
 601 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
 
 602 # -----------------------------------
 
 603 # Start a testing chunk which compiles `calc' grammar with
 
 604 # BISON-OPTIONS, and performs several tests over the parser.
 
 605 m4_define([AT_CHECK_CALC_LALR],
 
 610 AT_CHECK_CALC_LALR([%defines])
 
 611 AT_CHECK_CALC_LALR([%locations])
 
 613 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 
 614 AT_CHECK_CALC_LALR([%verbose])
 
 615 AT_CHECK_CALC_LALR([%yacc])
 
 616 AT_CHECK_CALC_LALR([%define parse.error verbose])
 
 618 AT_CHECK_CALC_LALR([%define api.pure %locations])
 
 619 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %locations])
 
 620 AT_CHECK_CALC_LALR([%define parse.error verbose %locations])
 
 622 AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 
 623 AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 
 625 AT_CHECK_CALC_LALR([%debug])
 
 626 AT_CHECK_CALC_LALR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 
 628 AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 
 629 AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 
 631 AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 
 634 # ----------------------- #
 
 635 # Simple GLR Calculator.  #
 
 636 # ----------------------- #
 
 638 AT_BANNER([[Simple GLR Calculator.]])
 
 640 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
 
 641 # ----------------------------------
 
 642 # Start a testing chunk which compiles `calc' grammar with
 
 643 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
 
 644 m4_define([AT_CHECK_CALC_GLR],
 
 645 [AT_CHECK_CALC([%glr-parser] $@)])
 
 650 AT_CHECK_CALC_GLR([%defines])
 
 651 AT_CHECK_CALC_GLR([%locations])
 
 652 AT_CHECK_CALC_GLR([%name-prefix "calc"])
 
 653 AT_CHECK_CALC_GLR([%verbose])
 
 654 AT_CHECK_CALC_GLR([%yacc])
 
 655 AT_CHECK_CALC_GLR([%define parse.error verbose])
 
 657 AT_CHECK_CALC_GLR([%define api.pure %locations])
 
 658 AT_CHECK_CALC_GLR([%define parse.error verbose %locations])
 
 660 AT_CHECK_CALC_GLR([%define parse.error verbose %locations %defines %name-prefix "calc" %verbose %yacc])
 
 662 AT_CHECK_CALC_GLR([%debug])
 
 663 AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 
 664 AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 
 666 AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
 
 668 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}])
 
 671 # ----------------------------- #
 
 672 # Simple LALR1 C++ Calculator.  #
 
 673 # ----------------------------- #
 
 675 AT_BANNER([[Simple LALR(1) C++ Calculator.]])
 
 677 # First let's try using %skeleton
 
 678 AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
 
 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] $@)])
 
 687 AT_CHECK_CALC_LALR1_CC([])
 
 688 AT_CHECK_CALC_LALR1_CC([%locations])
 
 689 AT_CHECK_CALC_LALR1_CC([%locations %define location_type Span])
 
 690 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])
 
 692 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 
 694 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 
 695 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 
 697 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 
 701 # --------------------------- #
 
 702 # Simple GLR C++ Calculator.  #
 
 703 # --------------------------- #
 
 705 AT_BANNER([[Simple GLR C++ Calculator.]])
 
 707 # Again, we try also using %skeleton.
 
 708 AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
 
 710 # AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
 
 711 # -------------------------------------
 
 712 # Start a testing chunk which compiles `calc' grammar with
 
 713 # the GLR C++ skeleton, and performs several tests over the parser.
 
 714 m4_define([AT_CHECK_CALC_GLR_CC],
 
 715 [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
 
 717 AT_CHECK_CALC_GLR_CC([])
 
 718 AT_CHECK_CALC_GLR_CC([%define parse.error verbose %name-prefix "calc" %verbose %yacc])
 
 720 AT_CHECK_CALC_GLR_CC([%debug])
 
 721 AT_CHECK_CALC_GLR_CC([%define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 
 723 AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 
 724 AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 
 726 AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])