tests/java.at

   1 # Java tests for simple calculator.           -*- Autotest -*-
   2
   3 # Copyright (C) 2007, 2008, 2009, 2010 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 AT_BANNER([[Java Calculator.]])
  19
  20
  21 # ------------------------- #
  22 # Helping Autotest macros.  #
  23 # ------------------------- #
  24
  25
  26 # _AT_DATA_JAVA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
  27 # ----------------------------------------------------------------------
  28 # Produce `calc.y'.  Don't call this macro directly, because it contains
  29 # some occurrences of `$1' etc. which will be interpreted by m4.  So
  30 # you should call it with $1, $2, and $3 as arguments, which is what
  31 # AT_DATA_JAVA_CALC_Y does.
  32 m4_define([_AT_DATA_JAVA_CALC_Y],
  33 [m4_if([$1$2$3], $[1]$[2]$[3], [],
  34        [m4_fatal([$0: Invalid arguments: $@])])dnl
  35 AT_DATA([Calc.y],
  36 [[/* Infix notation calculator--calc */
  37 %language "Java"
  38 %name-prefix "Calc"
  39 %define parser_class_name "Calc"
  40 %define public
  41
  42 ]$4[
  43
  44 %code imports {
  45   import java.io.StreamTokenizer;
  46   import java.io.InputStream;
  47   import java.io.InputStreamReader;
  48   import java.io.Reader;
  49   import java.io.IOException;
  50 }
  51
  52 /* Bison Declarations */
  53 %token <Integer> NUM "number"
  54 %type  <Integer> exp
  55
  56 %nonassoc '=' /* comparison            */
  57 %left '-' '+'
  58 %left '*' '/'
  59 %left NEG     /* negation--unary minus */
  60 %right '^'    /* exponentiation        */
  61
  62 /* Grammar follows */
  63 %%
  64 input:
  65   line
  66 | input line
  67 ;
  68
  69 line:
  70   '\n'
  71 | exp '\n'
  72 | error '\n'
  73 ;
  74
  75 exp:
  76   NUM                { $$ = $1;                                             }
  77 | exp '=' exp
  78   {
  79     if ($1.intValue () != $3.intValue ())
  80       yyerror ("calc: error: " + $1 + " != " + $3);
  81   }
  82 | exp '+' exp        { $$ = new Integer ($1.intValue () + $3.intValue ());  }
  83 | exp '-' exp        { $$ = new Integer ($1.intValue () - $3.intValue ());  }
  84 | exp '*' exp        { $$ = new Integer ($1.intValue () * $3.intValue ());  }
  85 | exp '/' exp        { $$ = new Integer ($1.intValue () / $3.intValue ());  }
  86 | '-' exp  %prec NEG { $$ = new Integer (-$2.intValue ());                  }
  87 | exp '^' exp        { $$ = new Integer ((int)
  88                                          Math.pow ($1.intValue (),
  89                                                    $3.intValue ()));        }
  90 | '(' exp ')'        { $$ = $2;                                             }
  91 | '(' error ')'      { $$ = new Integer (1111);                             }
  92 | '!'                { $$ = new Integer (0); return YYERROR;                }
  93 | '-' error          { $$ = new Integer (0); return YYERROR;                }
  94 ;
  95
  96 ]AT_LEXPARAM_IF([[
  97 %code lexer {
  98 ]],
  99 [[
 100 %%
 101 class CalcLexer implements Calc.Lexer {
 102 ]])[
 103   StreamTokenizer st;
 104
 105   public ]AT_LEXPARAM_IF([[YYLexer]], [[CalcLexer]]) (InputStream is)
 106   {
 107     st = new StreamTokenizer (new InputStreamReader (is));
 108     st.resetSyntax ();
 109     st.eolIsSignificant (true);
 110     st.whitespaceChars (9, 9);
 111     st.whitespaceChars (32, 32);
 112     st.wordChars (48, 57);
 113   }
 114
 115 AT_LOCATION_IF([[
 116   Position yystartpos;
 117   Position yyendpos = new Position (1);
 118
 119   public Position getStartPos() {
 120     return yystartpos;
 121   }
 122
 123   public Position getEndPos() {
 124     return yyendpos;
 125   }
 126
 127   public void yyerror (Calc.Location l, String s)
 128   {
 129     if (l == null)
 130       System.err.println (s);
 131     else
 132       System.err.println (l.begin + ": " + s);
 133   }
 134 ]], [[
 135   public void yyerror (String s)
 136   {
 137     System.err.println (s);
 138   }
 139 ]])[
 140
 141   Integer yylval;
 142
 143   public Object getLVal() {
 144     return yylval;
 145   }
 146
 147   public int yylex () throws IOException {
 148     int ttype = st.nextToken ();
 149     ]AT_LOCATION_IF([[yystartpos = yyendpos;]])[
 150     if (ttype == st.TT_EOF)
 151       return Calc.EOF;
 152
 153     else if (ttype == st.TT_EOL)
 154       {
 155         ]AT_LOCATION_IF([[yyendpos = new Position (yyendpos.lineno () + 1);]])[
 156         return (int) '\n';
 157       }
 158
 159     else if (ttype == st.TT_WORD)
 160       {
 161         yylval = new Integer (st.sval);
 162         return Calc.NUM;
 163       }
 164
 165     else
 166       return st.ttype;
 167   }
 168
 169
 170 ]AT_LEXPARAM_IF([[
 171 };
 172 %%]], [[
 173 }]])
 174
 175 [
 176 class Position {
 177   public int line;
 178
 179   public Position ()
 180   {
 181     line = 0;
 182   }
 183
 184   public Position (int l)
 185   {
 186     line = l;
 187   }
 188
 189   public long getHashCode ()
 190   {
 191     return line;
 192   }
 193
 194   public boolean equals (Position l)
 195   {
 196     return l.line == line;
 197   }
 198
 199   public String toString ()
 200   {
 201     return Integer.toString (line);
 202   }
 203
 204   public int lineno ()
 205   {
 206     return line;
 207   }
 208 }
 209
 210 ]])
 211 ])# _AT_DATA_JAVA_CALC_Y
 212
 213
 214 # AT_DATA_CALC_Y([BISON-OPTIONS])
 215 # -------------------------------------------------
 216 # Produce `calc.y'.
 217 m4_define([AT_DATA_JAVA_CALC_Y],
 218 [_AT_DATA_JAVA_CALC_Y($[1], $[2], $[3], [$1])
 219 ])
 220
 221
 222 # _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
 223 #                           [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 224 # ---------------------------------------------------------
 225 # Run `calc' on INPUT, and expect a `syntax error' message.
 226 #
 227 # If INPUT starts with a slash, it is used as absolute input file name,
 228 # otherwise as contents.
 229 #
 230 # The VERBOSE-AND-LOCATED-ERROR-MESSAGE is stripped of locations
 231 # and expected tokens if necessary, and compared with the output.
 232 m4_define([_AT_CHECK_JAVA_CALC_ERROR],
 233 [m4_bmatch([$2], [^/],
 234            [AT_JAVA_PARSER_CHECK([Calc < $2], 0, [], [stderr])],
 235            [AT_DATA([[input]],
 236 [[$2
 237 ]])
 238 AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])])
 239
 240 # Normalize the observed and expected error messages, depending upon the
 241 # options.
 242 # 1. Create the reference error message.
 243 AT_DATA([[expout]],
 244 [$3
 245 ])
 246 # 2. If locations are not used, remove them.
 247 AT_YYERROR_SEES_LOC_IF([],
 248 [[sed 's/^[-0-9.]*: //' expout >at-expout
 249 mv at-expout expout]])
 250 # 3. If error-verbose is not used, strip the`, unexpected....' part.
 251 m4_bmatch([$1], [%error-verbose], [],
 252 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 253 mv at-expout expout]])
 254 # 4. Check
 255 AT_CHECK([cat stderr], 0, [expout])
 256 ])
 257
 258 # _AT_CHECK_JAVA_CALC([BISON-DIRECTIVES], [BISON-CODE])
 259 # -----------------------------------------------------------------------
 260 # Start a testing chunk which compiles `calc' grammar with
 261 # BISON-DIRECTIVES, and performs several tests over the parser.
 262 m4_define([_AT_CHECK_JAVA_CALC],
 263 [# We use integers to avoid dependencies upon the precision of doubles.
 264 AT_SETUP([Calculator $1])
 265
 266 AT_BISON_OPTION_PUSHDEFS([$1])
 267
 268 AT_DATA_JAVA_CALC_Y([$1
 269 %code {
 270 $2
 271 }])
 272
 273 AT_BISON_CHECK([-o Calc.java Calc.y])
 274 AT_JAVA_COMPILE([Calc.java])
 275
 276 # Test the priorities.
 277 AT_DATA([[input]],
 278 [[1 + 2 * 3 = 7
 279 1 + 2 * -3 = -5
 280
 281 -1^2 = -1
 282 (-1)^2 = 1
 283
 284 ---1 = -1
 285
 286 1 - 2 - 3 = -4
 287 1 - (2 - 3) = 2
 288
 289 2^2^3 = 256
 290 (2^2)^3 = 64
 291 ]])
 292 AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])
 293
 294
 295 # Some syntax errors.
 296 _AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],
 297                           [1: syntax error, unexpected number])
 298 _AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],
 299                           [1: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 300 _AT_CHECK_JAVA_CALC_ERROR([$1], [error],
 301                           [1: syntax error, unexpected $undefined])
 302 _AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],
 303                           [1: syntax error, unexpected '='])
 304 _AT_CHECK_JAVA_CALC_ERROR([$1], [
 305 +1],
 306                           [2: syntax error, unexpected '+'])
 307 # Exercise error messages with EOF: work on an empty file.
 308 _AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
 309                           [1: syntax error, unexpected end of input])
 310
 311 # Exercise the error token: without it, we die at the first error,
 312 # hence be sure to
 313 #
 314 # - have several errors which exercise different shift/discardings
 315 #   - (): nothing to pop, nothing to discard
 316 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 317 #   - (* * *): nothing to pop, a lot to discard
 318 #   - (1 + 2 * *): some to pop and discard
 319 #
 320 # - test the action associated to `error'
 321 #
 322 # - check the lookahead that triggers an error is not discarded
 323 #   when we enter error recovery.  Below, the lookahead causing the
 324 #   first error is ")", which is needed to recover from the error and
 325 #   produce the "0" that triggers the "0 != 1" error.
 326 #
 327 _AT_CHECK_JAVA_CALC_ERROR([$1],
 328                           [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 329 [1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 330 1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 331 1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 332 1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 333 calc: error: 4444 != 1])
 334
 335 # The same, but this time exercising explicitly triggered syntax errors.
 336 # POSIX says the lookahead causing the error should not be discarded.
 337 _AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],
 338 [1: syntax error, unexpected number
 339 calc: error: 2222 != 1])
 340 _AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],
 341 [1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 342 1: syntax error, unexpected number
 343 calc: error: 2222 != 1])
 344 AT_BISON_OPTION_POPDEFS
 345
 346 AT_CLEANUP
 347 ])# _AT_CHECK_JAVA_CALC
 348
 349
 350 # AT_CHECK_JAVA_CALC([BISON-DIRECTIVES])
 351 # --------------------------------------------------------
 352 # Start a testing chunk which compiles `calc' grammar with
 353 # BISON-DIRECTIVES, and performs several tests over the parser.
 354 # Run the test with and without %error-verbose.
 355 m4_define([AT_CHECK_JAVA_CALC],
 356 [_AT_CHECK_JAVA_CALC([$1], [$2])
 357 _AT_CHECK_JAVA_CALC([%error-verbose $1], [$2])
 358 _AT_CHECK_JAVA_CALC([%locations $1], [$2])
 359 _AT_CHECK_JAVA_CALC([%error-verbose %locations $1], [$2])
 360 ])# AT_CHECK_JAVA_CALC
 361
 362
 363 # ------------------------ #
 364 # Simple LALR Calculator.  #
 365 # ------------------------ #
 366
 367 AT_CHECK_JAVA_CALC([], [[
 368   public static void main (String args[]) throws IOException
 369   {
 370     CalcLexer l = new CalcLexer (System.in);
 371     Calc p = new Calc (l);
 372     p.parse ();
 373   }
 374 ]])
 375
 376 AT_CHECK_JAVA_CALC([%lex-param { InputStream is } ], [[
 377   public static void main (String args[]) throws IOException
 378   {
 379     new Calc (System.in).parse ();
 380   }
 381 ]])
 382
 383
 384
 385 # -----------------#
 386 # Java Directives. #
 387 # -----------------#
 388
 389 AT_BANNER([Java Parameters.])
 390
 391
 392 # AT_CHECK_JAVA_MINIMAL([DIRECTIVES], [PARSER_ACTION], [POSITION_CLASS])
 393 # ----------------------------------------------------------------------
 394 # Check that a mininal parser with DIRECTIVES compiles in Java.
 395 # Put the Java code in YYParser.java.
 396 m4_define([AT_CHECK_JAVA_MINIMAL],
 397 [
 398 AT_DATA([[YYParser.y]], [
 399 %language "Java"
 400 %locations
 401 %debug
 402 %error-verbose
 403 %token-table
 404 $1
 405 %%
 406 start: "end" {$2};
 407 %%
 408 class m4_default([$3], [Position]) {}
 409 ])
 410 AT_BISON_CHECK([[YYParser.y]])
 411 AT_CHECK([[grep '[mb]4_' YYParser.y]], [1], [ignore])
 412 AT_JAVA_COMPILE([[YYParser.java]])
 413 ])
 414
 415
 416 # AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],
 417 #       [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
 418 #       [7:POSITION_TYPE], [8:LOCATION_TYPE])
 419 # ---------------------------------------------------------------------
 420 # Check that a mininal parser with DIRECTIVES and a "%code lexer".
 421 # YYLEX is the body of yylex () which throws LEX_THROW.
 422 # compiles in Java.
 423 m4_define([AT_CHECK_JAVA_MINIMAL_W_LEXER],
 424 [AT_CHECK_JAVA_MINIMAL([$1
 425
 426 %code lexer
 427 {
 428   m4_default([$6], [Object]) yylval;
 429   public m4_default([$6], [Object]) getLVal() { return yylval; }
 430
 431   public m4_default([$7], [Position]) getStartPos() { return null; }
 432   public m4_default([$7], [Position]) getEndPos()   { return null; }
 433
 434   public void yyerror (m4_default([$8], [Location]) loc, String s)
 435   {
 436     System.err.println (loc + ": " + s);
 437   }
 438
 439   public int yylex ()$2
 440   {
 441     $3
 442   }
 443
 444   $4
 445 }], [$5], [$7])])
 446
 447
 448 # AT_CHECK_JAVA_GREP([LINE], [COUNT=1])
 449 # -------------------------------------
 450 # Check that YYParser.java contains exactly COUNT lines matching ^LINE$
 451 # with grep.
 452 m4_define([AT_CHECK_JAVA_GREP],
 453         [AT_CHECK([grep -c '^$1$' YYParser.java], [], [m4_default([$2], [1])
 454 ])
 455 ])
 456
 457
 458 # ----------------------------------- #
 459 # Java parser class and package names #
 460 # ----------------------------------- #
 461
 462 AT_SETUP([Java parser class and package names])
 463
 464 AT_CHECK_JAVA_MINIMAL([])
 465 AT_CHECK_JAVA_GREP([[class YYParser]])
 466
 467 AT_CHECK_JAVA_MINIMAL([[%name-prefix "Prefix"]])
 468 AT_CHECK_JAVA_GREP([[class PrefixParser]])
 469
 470 AT_CHECK_JAVA_MINIMAL([[%define parser_class_name "ParserClassName"]])
 471 AT_CHECK_JAVA_GREP([[class ParserClassName]])
 472
 473 AT_CHECK_JAVA_MINIMAL([[%define package "user_java_package"]])
 474 AT_CHECK_JAVA_GREP([[package user_java_package;]])
 475
 476 AT_CLEANUP
 477
 478
 479 # --------------------------- #
 480 # Java parser class modifiers #
 481 # --------------------------- #
 482
 483 AT_SETUP([Java parser class modifiers])
 484
 485 AT_CHECK_JAVA_MINIMAL([[%define abstract]])
 486 AT_CHECK_JAVA_GREP([[abstract class YYParser]])
 487
 488 AT_CHECK_JAVA_MINIMAL([[%define final]])
 489 AT_CHECK_JAVA_GREP([[final class YYParser]])
 490
 491 AT_CHECK_JAVA_MINIMAL([[%define strictfp]])
 492 AT_CHECK_JAVA_GREP([[strictfp class YYParser]])
 493
 494 AT_CHECK_JAVA_MINIMAL([[
 495 %define abstract
 496 %define strictfp]])
 497 AT_CHECK_JAVA_GREP([[abstract strictfp class YYParser]])
 498
 499 AT_CHECK_JAVA_MINIMAL([[
 500 %define final
 501 %define strictfp]])
 502 AT_CHECK_JAVA_GREP([[final strictfp class YYParser]])
 503
 504 AT_CHECK_JAVA_MINIMAL([[%define public]])
 505 AT_CHECK_JAVA_GREP([[public class YYParser]])
 506
 507 AT_CHECK_JAVA_MINIMAL([[
 508 %define public
 509 %define abstract]])
 510 AT_CHECK_JAVA_GREP([[public abstract class YYParser]])
 511
 512 AT_CHECK_JAVA_MINIMAL([[
 513 %define public
 514 %define final]])
 515 AT_CHECK_JAVA_GREP([[public final class YYParser]])
 516
 517 AT_CHECK_JAVA_MINIMAL([[
 518 %define public
 519 %define strictfp]])
 520 AT_CHECK_JAVA_GREP([[public strictfp class YYParser]])
 521
 522 AT_CHECK_JAVA_MINIMAL([[
 523 %define public
 524 %define abstract
 525 %define strictfp]])
 526 AT_CHECK_JAVA_GREP([[public abstract strictfp class YYParser]])
 527
 528 AT_CHECK_JAVA_MINIMAL([[
 529 %define public
 530 %define final
 531 %define strictfp]])
 532 AT_CHECK_JAVA_GREP([[public final strictfp class YYParser]])
 533
 534 AT_CLEANUP
 535
 536
 537 # ---------------------------------------- #
 538 # Java parser class extends and implements #
 539 # ---------------------------------------- #
 540
 541 AT_SETUP([Java parser class extends and implements])
 542
 543 AT_CHECK_JAVA_MINIMAL([[%define extends "Thread"]])
 544 AT_CHECK_JAVA_GREP([[class YYParser extends Thread]])
 545
 546 AT_CHECK_JAVA_MINIMAL([[%define implements "Cloneable"]])
 547 AT_CHECK_JAVA_GREP([[class YYParser implements Cloneable]])
 548
 549 AT_CHECK_JAVA_MINIMAL([[
 550 %define extends "Thread"
 551 %define implements "Cloneable"]])
 552 AT_CHECK_JAVA_GREP([[class YYParser extends Thread implements Cloneable]])
 553
 554 AT_CLEANUP
 555
 556
 557 # -------------------------------- #
 558 # Java %parse-param and %lex-param #
 559 # -------------------------------- #
 560
 561 AT_SETUP([Java %parse-param and %lex-param])
 562
 563 AT_CHECK_JAVA_MINIMAL([])
 564 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer) {]])
 565
 566 AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
 567 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 568 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) {]])
 569 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])
 570
 571 AT_CHECK_JAVA_MINIMAL([[
 572 %parse-param {int parse_param1}
 573 %parse-param {long parse_param2}]])
 574 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 575 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 576 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 577 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])
 578 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]])
 579
 580 AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
 581 AT_CHECK_JAVA_GREP([[ *public YYParser () {]])
 582 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer) {]])
 583
 584 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
 585         [], [[return EOF;]])
 586 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 587 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) {]])
 588 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) {]])
 589 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 590
 591 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 592 %parse-param {int parse_param1}
 593 %parse-param {long parse_param2}]],
 594         [], [[return EOF;]])
 595 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 596 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 597 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) {]])
 598 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 599 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 600 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])
 601
 602 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
 603         [], [[return EOF;]], [[YYLexer (char lex_param1) {}]])
 604 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1) {]])
 605 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1);]])
 606
 607 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 608 %lex-param {char lex_param1}
 609 %lex-param {short lex_param2}]],
 610         [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
 611 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2) {]])
 612 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 613
 614 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 615 %parse-param {int parse_param1}
 616 %parse-param {long parse_param2}
 617 %lex-param {char lex_param1}
 618 %lex-param {short lex_param2}]],
 619         [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
 620 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 621 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 622 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) {]])
 623 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 624 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 625 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 626 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])
 627
 628 AT_CLEANUP
 629
 630
 631 # ------------------------- #
 632 # Java throw specifications #
 633 # ------------------------- #
 634
 635 AT_SETUP([Java throws specifications])
 636
 637 # %define throws        - 0 1 2
 638 # %define lex-throws    - 0 1 2
 639 # %code lexer             0 1
 640
 641 m4_define([AT_JT_lex_throws_define], [m4_case(AT_JT_lex_throws,
 642         -1, [],
 643          0, [[%define lex_throws ""]],
 644          1, [[%define lex_throws "InterruptedException"]],
 645          2, [[%define lex_throws "InterruptedException, IllegalAccessException"]])])
 646
 647 m4_define([AT_JT_yylex_throws], [m4_case(AT_JT_lex_throws,
 648         -1, [[ throws java.io.IOException]],
 649          0, [],
 650          1, [[ throws InterruptedException]],
 651          2, [[ throws InterruptedException, IllegalAccessException]])])
 652
 653 m4_define([AT_JT_yylex_action], [m4_case(AT_JT_lex_throws,
 654         -1, [[throw new java.io.IOException();]],
 655          0, [[return EOF;]],
 656          1, [[throw new InterruptedException();]],
 657          2, [[throw new IllegalAccessException();]])])
 658
 659
 660 m4_define([AT_JT_throws_define], [m4_case(AT_JT_throws,
 661         -1, [],
 662          0, [[%define throws ""]],
 663          1, [[%define throws "ClassNotFoundException"]],
 664          2, [[%define throws "ClassNotFoundException, InstantiationException"]])])
 665
 666 m4_define([AT_JT_yyaction_throws], [m4_case(AT_JT_throws,
 667         -1, [],
 668          0, [],
 669          1, [[ throws ClassNotFoundException]],
 670          2, [[ throws ClassNotFoundException, InstantiationException]])])
 671
 672 m4_define([AT_JT_parse_throws_2], [m4_case(AT_JT_throws,
 673         -1, [],
 674          0, [],
 675          1, [[, ClassNotFoundException]],
 676          2, [[, ClassNotFoundException, InstantiationException]])])
 677
 678 m4_define([AT_JT_parse_throws],
 679         [m4_if(m4_quote(AT_JT_yylex_throws), [],
 680                 [AT_JT_yyaction_throws],
 681                 [AT_JT_yylex_throws[]AT_JT_parse_throws_2])])
 682
 683 m4_define([AT_JT_initial_action], [m4_case(AT_JT_throws,
 684         -1, [],
 685          0, [],
 686          1, [[%initial-action {if (true) throw new ClassNotFoundException();}]],
 687          2, [[%initial-action {if (true) throw new InstantiationException();}]])])
 688
 689 m4_define([AT_JT_parse_action], [m4_case(AT_JT_throws,
 690         -1, [],
 691          0, [],
 692          1, [[throw new ClassNotFoundException();]],
 693          2, [[throw new ClassNotFoundException();]])])
 694
 695 m4_for([AT_JT_lexer], 0, 1, 1,
 696   [m4_for([AT_JT_lex_throws], -1, 2, 1,
 697     [m4_for([AT_JT_throws], -1, 2, 1,
 698       [m4_if(AT_JT_lexer, 0,
 699         [AT_CHECK_JAVA_MINIMAL([
 700 AT_JT_throws_define
 701 AT_JT_lex_throws_define
 702 AT_JT_initial_action],
 703 [AT_JT_parse_action])],
 704         [AT_CHECK_JAVA_MINIMAL_W_LEXER([
 705 AT_JT_throws_define
 706 AT_JT_lex_throws_define
 707 AT_JT_initial_action],
 708 [AT_JT_yylex_throws],
 709 [AT_JT_yylex_action],
 710 [],
 711 [AT_JT_parse_action])])
 712 AT_CHECK_JAVA_GREP([[ *int yylex ()]AT_JT_yylex_throws *[;]])
 713 AT_CHECK_JAVA_GREP([[ *private int yyaction ([^)]*)]AT_JT_yyaction_throws[ *]])
 714 AT_CHECK_JAVA_GREP([[ *public boolean parse ()]AT_JT_parse_throws[ *]])
 715 ])])])
 716
 717 AT_CLEANUP
 718
 719
 720 # --------------------------------------------- #
 721 # Java stype, position_class and location_class #
 722 # --------------------------------------------- #
 723
 724 AT_SETUP([Java stype, position_class and location_class])
 725
 726 AT_CHECK_JAVA_MINIMAL([[
 727 %define stype "java.awt.Color"
 728 %type<java.awt.Color> start;
 729 %define location_type "MyLoc"
 730 %define position_type "MyPos"
 731 %code { class MyPos {} }]], [[$$ = $<java.awt.Color>1;]], [[MyPos]])
 732 AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
 733 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
 734 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 735
 736 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 737 %define stype "java.awt.Color"
 738 %type<java.awt.Color> start;
 739 %define location_type "MyLoc"
 740 %define position_type "MyPos"
 741 %code { class MyPos {} }]], [], [[return EOF;]], [],
 742 [[$$ = $<java.awt.Color>1;]],
 743 [[java.awt.Color]], [[MyPos]], [[MyLoc]])
 744 AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
 745 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
 746 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 747
 748 AT_CLEANUP