1 # Checking the output filenames. -*- Autotest -*-
2 # Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19 ## ---------------------------------------------------- ##
20 ## Compile the grammar described in the documentation. ##
21 ## ---------------------------------------------------- ##
24 # ------------------------- #
25 # Helping Autotest macros. #
26 # ------------------------- #
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 */
50 extern void perror (const char *s);
52 /* Exercise pre-prologue dependency to %union. */
55 static value global_result = 0;
56 static int global_count = 0;
58 ]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;])[
61 /* Exercise %union. */
68 static int power (int base, int exponent);
70 /* yyerror receives the location if:
71 - %location & %pure & %glr
72 - %location & %pure & %yacc & %parse-param. */
73 static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
74 AT_PARAM_IF([value *result, int *count, ])
77 static int yylex (]AT_LEX_FORMALS[);
78 static int yygetc (]AT_LEX_FORMALS[);
79 static void yyungetc (]AT_LEX_PRE_FORMALS[ int c);
82 /* Bison Declarations */
83 %token CALC_EOF 0 "end of input"
84 %token <ival> NUM "number"
87 %nonassoc '=' /* comparison */
90 %left NEG /* negation--unary minus */
91 %right '^' /* exponentiation */
97 | input line { ]AT_PARAM_IF([++*count; ++global_count;])[ }
102 | exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ }
110 fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
113 | exp '+' exp { $$ = $1 + $3; }
114 | exp '-' exp { $$ = $1 - $3; }
115 | exp '*' exp { $$ = $1 * $3; }
116 | exp '/' exp { $$ = $1 / $3; }
117 | '-' exp %prec NEG { $$ = -$2; }
118 | exp '^' exp { $$ = power ($1, $3); }
119 | '(' exp ')' { $$ = $2; }
120 | '(' error ')' { $$ = 1111; }
128 [/* Currently, print_ is required in C++. */
130 yy::Parser::print_ ()
133 std::cerr << location;])
136 /* A C++ error reporting function. */
138 yy::Parser::error_ ()
140 std::cerr << AT_LOCATION_IF([location << ": " << ])message << std::endl;
146 yy::Parser parser = yy::Parser (!!YYDEBUG[]AT_LOCATION_IF([,
147 yy::Location::Location ()]));
148 return parser.parse ();
152 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
153 AT_PARAM_IF([value *result, int *count, ])
156 AT_PARAM_IF([(void) result; (void) count;])
157 AT_YYERROR_SEES_LOC_IF([
158 fprintf (stderr, "%d.%d",
159 AT_LOC.first_line, AT_LOC.first_column);
160 if (AT_LOC.first_line != AT_LOC.last_line)
161 fprintf (stderr, "-%d.%d",
162 AT_LOC.last_line, AT_LOC.last_column - 1);
163 else if (AT_LOC.first_column != AT_LOC.last_column - 1)
164 fprintf (stderr, "-%d",
165 AT_LOC.last_column - 1);
166 fprintf (stderr, ": ");])
167 fprintf (stderr, "%s\n", s);
172 static YYLTYPE last_yylloc;
175 yygetc (]AT_LEX_FORMALS[)
177 int res = getc (yyin);
180 last_yylloc = AT_LOC;
185 AT_LOC.end.column = 0;],
186 [ AT_LOC.last_line++;
187 AT_LOC.last_column = 0;])
191 [ AT_LOC.end.column++;],
192 [ AT_LOC.last_column++;])
199 yyungetc (]AT_LEX_PRE_FORMALS[ int c)
203 /* Wrong when C == `\n'. */
204 AT_LOC = last_yylloc;
210 read_signed_integer (]AT_LEX_FORMALS[)
212 int c = yygetc (]AT_LEX_ARGS[);
219 c = yygetc (]AT_LEX_ARGS[);
225 n = 10 * n + (c - '0');
226 c = yygetc (]AT_LEX_ARGS[);
229 yyungetc (]AT_LEX_PRE_ARGS[ c);
236 /*---------------------------------------------------------------.
237 | Lexical analyzer returns an integer on the stack and the token |
238 | NUM, or the ASCII character read if not a number. Skips all |
239 | blanks and tabs, returns 0 for EOF. |
240 `---------------------------------------------------------------*/
243 yylex (]AT_LEX_FORMALS[)
253 AT_LOC.last_column = 0;
254 AT_LOC.last_line = 1;
258 ]AT_LOCATION_IF([AT_LALR1_CC_IF(
259 [ AT_LOC.begin = AT_LOC.end;],
260 [ AT_LOC.first_column = AT_LOC.last_column;
261 AT_LOC.first_line = AT_LOC.last_line;
264 /* Skip white space. */
265 while ((c = yygetc (]AT_LEX_ARGS[)) == ' ' || c == '\t')
267 ]AT_LOCATION_IF([AT_LALR1_CC_IF(
268 [ AT_LOC.begin = AT_LOC.end;],
269 [ AT_LOC.first_column = AT_LOC.last_column;
270 AT_LOC.first_line = AT_LOC.last_line;
274 /* process numbers */
275 if (c == '.' || isdigit (c))
277 yyungetc (]AT_LEX_PRE_ARGS[ c);
278 ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
282 /* Return end-of-file. */
286 /* Return single chars. */
291 power (int base, int exponent)
296 for (/* Niente */; exponent; --exponent)
303 main (int argc, const char **argv)
310 yyin = fopen (argv[1], "r");
320 ]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug],
322 status = yyparse (]AT_PARAM_IF([&result, &count])[);
323 if (global_result != result)
325 if (global_count != count)
333 # AT_DATA_CALC_Y([BISON-OPTIONS])
334 # -------------------------------
336 m4_define([AT_DATA_CALC_Y],
337 [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
342 # _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES = 0])
343 # ------------------------------------------------------------
344 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
346 # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
347 # NUM-STDERR-LINES is the number of expected lines on stderr.
349 # We don't count GLR's traces yet, since its traces are somewhat
350 # different from LALR's.
351 m4_define([_AT_CHECK_CALC],
355 AT_PARSER_CHECK([./calc input], 0, [], [stderr])
357 [%debug.*%glr\|%glr.*%debug],
360 [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$3
365 # _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
367 # [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
368 # ---------------------------------------------------------
369 # Run `calc' on INPUT, and expect a `syntax error' message.
371 # If INPUT starts with a slash, it is used as absolute input file name,
372 # otherwise as contents.
374 # If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
375 # is correctly output on stderr.
377 # If BISON-OPTIONS contains `%error-verbose', then make sure the
378 # IF-YYERROR-VERBOSE message is properly output after `syntax error, '
381 # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
382 # is the number of expected lines on stderr.
383 m4_define([_AT_CHECK_CALC_ERROR],
384 [m4_bmatch([$3], [^/],
385 [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
389 AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
391 [%debug.*%glr\|%glr.*%debug],
394 [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$4
397 # Normalize the observed and expected error messages, depending upon the
399 # 1. Remove the traces from observed.
410 /^yydestructor:/d' stderr >at-stderr
412 # 2. Create the reference error message.
416 # 3. If locations are not used, remove them.
417 AT_YYERROR_SEES_LOC_IF([],
418 [[sed 's/^[-0-9.]*: //' expout >at-expout
419 mv at-expout expout]])
420 # 4. If error-verbose is not used, strip the`, unexpected....' part.
421 m4_bmatch([$1], [%error-verbose], [],
422 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
423 mv at-expout expout]])
425 AT_CHECK([cat stderr], 0, [expout])
429 # AT_CALC_PUSHDEFS($1, $2, [BISON-OPTIONS])
430 # -----------------------------------------
431 # This macro works around the impossibility to define macros
432 # inside macros, because issuing `[$1]' is not possible in M4 :(.
433 # This sucks hard, GNU M4 should really provide M5 like $$1.
434 m4_define([AT_CHECK_PUSHDEFS],
435 [m4_if([$1$2], $[1]$[2], [],
436 [m4_fatal([$0: Invalid arguments: $@])])dnl
437 m4_pushdef([AT_LALR1_CC_IF],
438 [m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])])
439 m4_pushdef([AT_GLR_IF],
440 [m4_bmatch([$3], [%glr-parser], [$1], [$2])])
442 m4_pushdef([AT_YACC_IF],
443 [m4_bmatch([$3], [%glr-parser\|%skeleton], [$2], [$1])])
444 m4_pushdef([AT_PARAM_IF],
445 [m4_bmatch([$3], [%parse-param], [$1], [$2])])
446 m4_pushdef([AT_LOCATION_IF],
447 [m4_bmatch([$3], [%locations], [$1], [$2])])
448 m4_pushdef([AT_PURE_IF],
449 [m4_bmatch([$3], [%pure-parser], [$1], [$2])])
450 m4_pushdef([AT_PURE_AND_LOC_IF],
451 [m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations],
453 m4_pushdef([AT_GLR_OR_PARAM_IF],
454 [m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
456 # yyerror receives the location if %location & %pure & (%glr or %parse-param).
457 m4_pushdef([AT_YYERROR_ARG_LOC_IF],
458 [AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
460 # yyerror always sees the locations (when activated), except if
461 # yacc & pure & !param.
462 m4_pushdef([AT_YYERROR_SEES_LOC_IF],
463 [AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
468 # The interface is pure: either because %pure-parser, or because we
469 # are using the C++ parsers.
470 m4_pushdef([AT_PURE_LEX_IF],
472 [AT_LALR1_CC_IF([$1], [$2])])])
475 [m4_pushdef([AT_LOC], [(*yylloc)])
476 m4_pushdef([AT_VAL], [(*yylval)])
477 m4_pushdef([AT_LEX_FORMALS],
478 [YYSTYPE *yylval[]AT_LOCATION_IF([, YYLTYPE *yylloc])])
479 m4_pushdef([AT_LEX_ARGS],
480 [yylval[]AT_LOCATION_IF([, yylloc])])
481 m4_pushdef([AT_USE_LEX_ARGS],
482 [(void) yylval;AT_LOCATION_IF([(void) yylloc])])
483 m4_pushdef([AT_LEX_PRE_FORMALS],
485 m4_pushdef([AT_LEX_PRE_ARGS],
488 [m4_pushdef([AT_LOC], [(yylloc)])
489 m4_pushdef([AT_VAL], [(yylval)])
490 m4_pushdef([AT_LEX_FORMALS], [void])
491 m4_pushdef([AT_LEX_ARGS], [])
492 m4_pushdef([AT_USE_LEX_ARGS], [])
493 m4_pushdef([AT_LEX_PRE_FORMALS], [])
494 m4_pushdef([AT_LEX_PRE_ARGS], [])
501 m4_define([AT_CHECK_POPDEFS],
502 [m4_popdef([AT_LEX_PRE_ARGS])
503 m4_popdef([AT_LEX_PRE_FORMALS])
504 m4_popdef([AT_USE_LEX_ARGS])
505 m4_popdef([AT_LEX_ARGS])
506 m4_popdef([AT_LEX_FORMALS])
509 m4_popdef([AT_PURE_LEX_IF])
510 m4_popdef([AT_YYERROR_SEES_LOC_IF])
511 m4_popdef([AT_YYERROR_ARG_LOC_IF])
512 m4_popdef([AT_GLR_OR_PARAM_IF])
513 m4_popdef([AT_PURE_AND_LOC_IF])
514 m4_popdef([AT_LOCATION_IF])
515 m4_popdef([AT_PARAM_IF])
516 m4_popdef([AT_YACC_IF])
517 m4_popdef([AT_GLR_IF])
518 m4_popdef([AT_LALR1_CC_IF])
523 # AT_CHECK_CALC([BISON-OPTIONS])
524 # ------------------------------
525 # Start a testing chunk which compiles `calc' grammar with
526 # BISON-OPTIONS, and performs several tests over the parser.
527 m4_define([AT_CHECK_CALC],
528 [# We use integers to avoid dependencies upon the precision of doubles.
529 AT_SETUP([Calculator $1])
531 AT_CHECK_PUSHDEFS($[1], $[2], [$1])
535 # Specify the output files to avoid problems on different file systems.
536 AT_CHECK([bison -o calc.c calc.y],
540 [AT_CHECK([$CXX --version || exit 77], 0, ignore, ignore)
541 AT_COMPILE_CXX([calc])],
542 [AT_COMPILE([calc])])
544 # Test the priorities.
561 # Some syntax errors.
562 _AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11],
563 [1.2: syntax error, unexpected "number"])
564 _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15],
565 [1.2: syntax error, unexpected '/', expecting "number" or '-' or '(' or '!'])
566 _AT_CHECK_CALC_ERROR([$1], [1], [error], [4],
567 [1.0: syntax error, unexpected $undefined])
568 _AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22],
569 [1.6: syntax error, unexpected '='])
570 _AT_CHECK_CALC_ERROR([$1], [1],
574 [2.0: syntax error, unexpected '+'])
575 # Exercise error messages with EOF: work on an empty file.
576 _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
577 [1.0: syntax error, unexpected "end of input"])
579 # Exercise the error token: without it, we die at the first error,
582 # - have several errors which exercise different shift/discardings
583 # - (): nothing to pop, nothing to discard
584 # - (1 + 1 + 1 +): a lot to pop, nothing to discard
585 # - (* * *): nothing to pop, a lot to discard
586 # - (1 + 2 * *): some to pop and discard
588 # - test the action associated to `error'
590 # - check the lookahead that triggers an error is not discarded
591 # when we enter error recovery. Below, the lookahead causing the
592 # first error is ")", which is needed to recover from the error and
593 # produce the "0" that triggers the "0 != 1" error.
595 _AT_CHECK_CALC_ERROR([$1], [0],
596 [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
598 [1.1: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!'
599 1.17: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!'
600 1.22: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!'
601 1.40: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!'
602 calc: error: 4444 != 1])
604 # The same, but this time exercising explicitly triggered syntax errors.
605 # POSIX says the lookahead causing the error should not be discarded.
606 _AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [64],
607 [1.9: syntax error, unexpected "number"
608 calc: error: 2222 != 1])
617 # ------------------------ #
618 # Simple LALR Calculator. #
619 # ------------------------ #
621 AT_BANNER([[Simple LALR Calculator.]])
623 # AT_CHECK_CALC_LALR([BISON-OPTIONS])
624 # -----------------------------------
625 # Start a testing chunk which compiles `calc' grammar with
626 # BISON-OPTIONS, and performs several tests over the parser.
627 m4_define([AT_CHECK_CALC_LALR],
632 AT_CHECK_CALC_LALR([%defines])
633 AT_CHECK_CALC_LALR([%locations])
634 AT_CHECK_CALC_LALR([%name-prefix="calc"])
635 AT_CHECK_CALC_LALR([%verbose])
636 AT_CHECK_CALC_LALR([%yacc])
637 AT_CHECK_CALC_LALR([%error-verbose])
639 AT_CHECK_CALC_LALR([%error-verbose %locations])
641 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
643 AT_CHECK_CALC_LALR([%debug])
644 AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
646 AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
648 AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
651 # ----------------------- #
652 # Simple GLR Calculator. #
653 # ----------------------- #
655 AT_BANNER([[Simple GLR Calculator.]])
657 # AT_CHECK_CALC_GLR([BISON-OPTIONS])
658 # ----------------------------------
659 # Start a testing chunk which compiles `calc' grammar with
660 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
661 m4_define([AT_CHECK_CALC_GLR],
662 [AT_CHECK_CALC([%glr-parser] $@)])
667 AT_CHECK_CALC_GLR([%defines])
668 AT_CHECK_CALC_GLR([%locations])
669 AT_CHECK_CALC_GLR([%name-prefix="calc"])
670 AT_CHECK_CALC_GLR([%verbose])
671 AT_CHECK_CALC_GLR([%yacc])
672 AT_CHECK_CALC_GLR([%error-verbose])
674 AT_CHECK_CALC_GLR([%error-verbose %locations])
676 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
678 AT_CHECK_CALC_GLR([%debug])
679 AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
681 AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
683 AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
686 # ----------------------------- #
687 # Simple LALR1 C++ Calculator. #
688 # ----------------------------- #
690 AT_BANNER([[Simple LALR1 C++ Calculator.]])
692 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
693 # ---------------------------------------
694 # Start a testing chunk which compiles `calc' grammar with
695 # BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
696 m4_define([AT_CHECK_CALC_LALR1_CC],
697 [AT_CHECK_CALC([%skeleton "lalr1.cc"] $@)])
699 # AT_CHECK_CALC_LALR1_CC()
701 AT_CHECK_CALC_LALR1_CC([%defines %locations])
703 AT_CHECK_CALC_LALR1_CC([%defines])
704 # AT_CHECK_CALC_LALR1_CC([%locations])
705 # AT_CHECK_CALC_LALR1_CC([%name-prefix="calc"])
706 # AT_CHECK_CALC_LALR1_CC([%verbose])
707 # AT_CHECK_CALC_LALR1_CC([%yacc])
708 # AT_CHECK_CALC_LALR1_CC([%error-verbose])
710 # AT_CHECK_CALC_LALR1_CC([%error-verbose %locations])
712 AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
714 # AT_CHECK_CALC_LALR1_CC([%debug])
715 AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
717 AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
719 # AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])