tests/java.at

   1 # Java tests for simple calculator.           -*- Autotest -*-
   2
   3 # Copyright (C) 2007-2010 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
 223 # AT_JAVA_COMPILE(SOURCE)
 224 # -----------------------
 225 # Compile SOURCES into Java class files.  Skip the test if java or javac is
 226 # not installed.
 227 m4_define([AT_JAVA_COMPILE],
 228 [AT_CHECK([test -n "$CONF_JAVA" || exit 77
 229 test -n "$CONF_JAVAC" || exit 77])
 230 AT_CHECK([$SHELL ../../../javacomp.sh $1],
 231          0, [ignore], [ignore])])
 232
 233
 234 # AT_JAVA_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
 235 # -----------------------------------------------------------------
 236 m4_define([AT_JAVA_PARSER_CHECK],
 237 [AT_CHECK([$5 $SHELL ../../../javaexec.sh $1], [$2], [$3], [$4])])
 238
 239
 240 # _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
 241 #                           [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
 242 # ---------------------------------------------------------
 243 # Run `calc' on INPUT, and expect a `syntax error' message.
 244 #
 245 # If INPUT starts with a slash, it is used as absolute input file name,
 246 # otherwise as contents.
 247 #
 248 # The VERBOSE-AND-LOCATED-ERROR-MESSAGE is stripped of locations
 249 # and expected tokens if necessary, and compared with the output.
 250 m4_define([_AT_CHECK_JAVA_CALC_ERROR],
 251 [m4_bmatch([$2], [^/],
 252            [AT_JAVA_PARSER_CHECK([Calc < $2], 0, [], [stderr])],
 253            [AT_DATA([[input]],
 254 [[$2
 255 ]])
 256 AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])])
 257
 258 # Normalize the observed and expected error messages, depending upon the
 259 # options.
 260 # 1. Create the reference error message.
 261 AT_DATA([[expout]],
 262 [$3
 263 ])
 264 # 2. If locations are not used, remove them.
 265 AT_YYERROR_SEES_LOC_IF([],
 266 [[sed 's/^[-0-9.]*: //' expout >at-expout
 267 mv at-expout expout]])
 268 # 3. If error-verbose is not used, strip the`, unexpected....' part.
 269 m4_bmatch([$1], [%error-verbose], [],
 270 [[sed 's/syntax error, .*$/syntax error/' expout >at-expout
 271 mv at-expout expout]])
 272 # 4. Check
 273 AT_CHECK([cat stderr], 0, [expout])
 274 ])
 275
 276 # _AT_CHECK_JAVA_CALC([BISON-DIRECTIVES], [BISON-CODE])
 277 # -----------------------------------------------------------------------
 278 # Start a testing chunk which compiles `calc' grammar with
 279 # BISON-DIRECTIVES, and performs several tests over the parser.
 280 m4_define([_AT_CHECK_JAVA_CALC],
 281 [# We use integers to avoid dependencies upon the precision of doubles.
 282 AT_SETUP([Calculator $1])
 283
 284 AT_BISON_OPTION_PUSHDEFS([$1])
 285
 286 AT_DATA_JAVA_CALC_Y([$1
 287 %code {
 288 $2
 289 }])
 290
 291 AT_BISON_CHECK([-o Calc.java Calc.y])
 292 AT_JAVA_COMPILE([Calc.java])
 293
 294 # Test the priorities.
 295 AT_DATA([[input]],
 296 [[1 + 2 * 3 = 7
 297 1 + 2 * -3 = -5
 298
 299 -1^2 = -1
 300 (-1)^2 = 1
 301
 302 ---1 = -1
 303
 304 1 - 2 - 3 = -4
 305 1 - (2 - 3) = 2
 306
 307 2^2^3 = 256
 308 (2^2)^3 = 64
 309 ]])
 310 AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])
 311
 312
 313 # Some syntax errors.
 314 _AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],
 315                           [1: syntax error, unexpected number])
 316 _AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],
 317                           [1: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
 318 _AT_CHECK_JAVA_CALC_ERROR([$1], [error],
 319                           [1: syntax error, unexpected $undefined])
 320 _AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],
 321                           [1: syntax error, unexpected '='])
 322 _AT_CHECK_JAVA_CALC_ERROR([$1], [
 323 +1],
 324                           [2: syntax error, unexpected '+'])
 325 # Exercise error messages with EOF: work on an empty file.
 326 _AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
 327                           [1: syntax error, unexpected end of input])
 328
 329 # Exercise the error token: without it, we die at the first error,
 330 # hence be sure to
 331 #
 332 # - have several errors which exercise different shift/discardings
 333 #   - (): nothing to pop, nothing to discard
 334 #   - (1 + 1 + 1 +): a lot to pop, nothing to discard
 335 #   - (* * *): nothing to pop, a lot to discard
 336 #   - (1 + 2 * *): some to pop and discard
 337 #
 338 # - test the action associated to `error'
 339 #
 340 # - check the lookahead that triggers an error is not discarded
 341 #   when we enter error recovery.  Below, the lookahead causing the
 342 #   first error is ")", which is needed to recover from the error and
 343 #   produce the "0" that triggers the "0 != 1" error.
 344 #
 345 _AT_CHECK_JAVA_CALC_ERROR([$1],
 346                           [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
 347 [1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 348 1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
 349 1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 350 1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 351 calc: error: 4444 != 1])
 352
 353 # The same, but this time exercising explicitly triggered syntax errors.
 354 # POSIX says the lookahead causing the error should not be discarded.
 355 _AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],
 356 [1: syntax error, unexpected number
 357 calc: error: 2222 != 1])
 358 _AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],
 359 [1: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 360 1: syntax error, unexpected number
 361 calc: error: 2222 != 1])
 362 AT_BISON_OPTION_POPDEFS
 363
 364 AT_CLEANUP
 365 ])# _AT_CHECK_JAVA_CALC
 366
 367
 368 # AT_CHECK_JAVA_CALC([BISON-DIRECTIVES])
 369 # --------------------------------------------------------
 370 # Start a testing chunk which compiles `calc' grammar with
 371 # BISON-DIRECTIVES, and performs several tests over the parser.
 372 # Run the test with and without %error-verbose.
 373 m4_define([AT_CHECK_JAVA_CALC],
 374 [_AT_CHECK_JAVA_CALC([$1], [$2])
 375 _AT_CHECK_JAVA_CALC([%error-verbose $1], [$2])
 376 _AT_CHECK_JAVA_CALC([%locations $1], [$2])
 377 _AT_CHECK_JAVA_CALC([%error-verbose %locations $1], [$2])
 378 ])# AT_CHECK_JAVA_CALC
 379
 380
 381 # ------------------------ #
 382 # Simple LALR Calculator.  #
 383 # ------------------------ #
 384
 385 AT_CHECK_JAVA_CALC([], [[
 386   public static void main (String args[]) throws IOException
 387   {
 388     CalcLexer l = new CalcLexer (System.in);
 389     Calc p = new Calc (l);
 390     p.parse ();
 391   }
 392 ]])
 393
 394 AT_CHECK_JAVA_CALC([%lex-param { InputStream is } ], [[
 395   public static void main (String args[]) throws IOException
 396   {
 397     new Calc (System.in).parse ();
 398   }
 399 ]])
 400
 401
 402
 403 # -----------------#
 404 # Java Directives. #
 405 # -----------------#
 406
 407 AT_BANNER([Java Parameters.])
 408
 409
 410 # AT_CHECK_JAVA_MINIMAL([DIRECTIVES], [PARSER_ACTION], [POSITION_CLASS])
 411 # ----------------------------------------------------------------------
 412 # Check that a mininal parser with DIRECTIVES compiles in Java.
 413 # Put the Java code in YYParser.java.
 414 m4_define([AT_CHECK_JAVA_MINIMAL],
 415 [
 416 AT_DATA([[YYParser.y]], [
 417 %language "Java"
 418 %locations
 419 %debug
 420 %error-verbose
 421 %token-table
 422 $1
 423 %%
 424 start: "end" {$2};
 425 %%
 426 class m4_default([$3], [Position]) {}
 427 ])
 428 AT_BISON_CHECK([[YYParser.y]])
 429 AT_CHECK([[grep '[mb]4_' YYParser.y]], [1], [ignore])
 430 AT_JAVA_COMPILE([[YYParser.java]])
 431 ])
 432
 433
 434 # AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],
 435 #       [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
 436 #       [7:POSITION_TYPE], [8:LOCATION_TYPE])
 437 # ---------------------------------------------------------------------
 438 # Check that a mininal parser with DIRECTIVES and a "%code lexer".
 439 # YYLEX is the body of yylex () which throws LEX_THROW.
 440 # compiles in Java.
 441 m4_define([AT_CHECK_JAVA_MINIMAL_W_LEXER],
 442 [AT_CHECK_JAVA_MINIMAL([$1
 443
 444 %code lexer
 445 {
 446   m4_default([$6], [Object]) yylval;
 447   public m4_default([$6], [Object]) getLVal() { return yylval; }
 448
 449   public m4_default([$7], [Position]) getStartPos() { return null; }
 450   public m4_default([$7], [Position]) getEndPos()   { return null; }
 451
 452   public void yyerror (m4_default([$8], [Location]) loc, String s)
 453   {
 454     System.err.println (loc + ": " + s);
 455   }
 456
 457   public int yylex ()$2
 458   {
 459     $3
 460   }
 461
 462   $4
 463 }], [$5], [$7])])
 464
 465
 466 # AT_CHECK_JAVA_GREP([LINE], [COUNT=1])
 467 # -------------------------------------
 468 # Check that YYParser.java contains exactly COUNT lines matching ^LINE$
 469 # with grep.
 470 m4_define([AT_CHECK_JAVA_GREP],
 471         [AT_CHECK([grep -c '^$1$' YYParser.java], [], [m4_default([$2], [1])
 472 ])
 473 ])
 474
 475
 476 # ----------------------------------- #
 477 # Java parser class and package names #
 478 # ----------------------------------- #
 479
 480 AT_SETUP([Java parser class and package names])
 481
 482 AT_CHECK_JAVA_MINIMAL([])
 483 AT_CHECK_JAVA_GREP([[class YYParser]])
 484
 485 AT_CHECK_JAVA_MINIMAL([[%name-prefix "Prefix"]])
 486 AT_CHECK_JAVA_GREP([[class PrefixParser]])
 487
 488 AT_CHECK_JAVA_MINIMAL([[%define parser_class_name "ParserClassName"]])
 489 AT_CHECK_JAVA_GREP([[class ParserClassName]])
 490
 491 AT_CHECK_JAVA_MINIMAL([[%define package "user_java_package"]])
 492 AT_CHECK_JAVA_GREP([[package user_java_package;]])
 493
 494 AT_CLEANUP
 495
 496
 497 # --------------------------- #
 498 # Java parser class modifiers #
 499 # --------------------------- #
 500
 501 AT_SETUP([Java parser class modifiers])
 502
 503 AT_CHECK_JAVA_MINIMAL([[%define abstract]])
 504 AT_CHECK_JAVA_GREP([[abstract class YYParser]])
 505
 506 AT_CHECK_JAVA_MINIMAL([[%define final]])
 507 AT_CHECK_JAVA_GREP([[final class YYParser]])
 508
 509 AT_CHECK_JAVA_MINIMAL([[%define strictfp]])
 510 AT_CHECK_JAVA_GREP([[strictfp class YYParser]])
 511
 512 AT_CHECK_JAVA_MINIMAL([[
 513 %define abstract
 514 %define strictfp]])
 515 AT_CHECK_JAVA_GREP([[abstract strictfp class YYParser]])
 516
 517 AT_CHECK_JAVA_MINIMAL([[
 518 %define final
 519 %define strictfp]])
 520 AT_CHECK_JAVA_GREP([[final strictfp class YYParser]])
 521
 522 AT_CHECK_JAVA_MINIMAL([[%define public]])
 523 AT_CHECK_JAVA_GREP([[public class YYParser]])
 524
 525 AT_CHECK_JAVA_MINIMAL([[
 526 %define public
 527 %define abstract]])
 528 AT_CHECK_JAVA_GREP([[public abstract class YYParser]])
 529
 530 AT_CHECK_JAVA_MINIMAL([[
 531 %define public
 532 %define final]])
 533 AT_CHECK_JAVA_GREP([[public final class YYParser]])
 534
 535 AT_CHECK_JAVA_MINIMAL([[
 536 %define public
 537 %define strictfp]])
 538 AT_CHECK_JAVA_GREP([[public strictfp class YYParser]])
 539
 540 AT_CHECK_JAVA_MINIMAL([[
 541 %define public
 542 %define abstract
 543 %define strictfp]])
 544 AT_CHECK_JAVA_GREP([[public abstract strictfp class YYParser]])
 545
 546 AT_CHECK_JAVA_MINIMAL([[
 547 %define public
 548 %define final
 549 %define strictfp]])
 550 AT_CHECK_JAVA_GREP([[public final strictfp class YYParser]])
 551
 552 AT_CLEANUP
 553
 554
 555 # ---------------------------------------- #
 556 # Java parser class extends and implements #
 557 # ---------------------------------------- #
 558
 559 AT_SETUP([Java parser class extends and implements])
 560
 561 AT_CHECK_JAVA_MINIMAL([[%define extends "Thread"]])
 562 AT_CHECK_JAVA_GREP([[class YYParser extends Thread]])
 563
 564 AT_CHECK_JAVA_MINIMAL([[%define implements "Cloneable"]])
 565 AT_CHECK_JAVA_GREP([[class YYParser implements Cloneable]])
 566
 567 AT_CHECK_JAVA_MINIMAL([[
 568 %define extends "Thread"
 569 %define implements "Cloneable"]])
 570 AT_CHECK_JAVA_GREP([[class YYParser extends Thread implements Cloneable]])
 571
 572 AT_CLEANUP
 573
 574
 575 # -------------------------------- #
 576 # Java %parse-param and %lex-param #
 577 # -------------------------------- #
 578
 579 AT_SETUP([Java %parse-param and %lex-param])
 580
 581 AT_CHECK_JAVA_MINIMAL([])
 582 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer) {]])
 583
 584 AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
 585 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 586 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) {]])
 587 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])
 588
 589 AT_CHECK_JAVA_MINIMAL([[
 590 %parse-param {int parse_param1}
 591 %parse-param {long parse_param2}]])
 592 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 593 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 594 AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 595 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]])
 596 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]])
 597
 598 AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
 599 AT_CHECK_JAVA_GREP([[ *public YYParser () {]])
 600 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer) {]])
 601
 602 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
 603         [], [[return EOF;]])
 604 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 605 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) {]])
 606 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) {]])
 607 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 608
 609 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 610 %parse-param {int parse_param1}
 611 %parse-param {long parse_param2}]],
 612         [], [[return EOF;]])
 613 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 614 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 615 AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) {]])
 616 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 617 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 618 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])
 619
 620 AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
 621         [], [[return EOF;]], [[YYLexer (char lex_param1) {}]])
 622 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1) {]])
 623 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1);]])
 624
 625 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 626 %lex-param {char lex_param1}
 627 %lex-param {short lex_param2}]],
 628         [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
 629 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2) {]])
 630 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 631
 632 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 633 %parse-param {int parse_param1}
 634 %parse-param {long parse_param2}
 635 %lex-param {char lex_param1}
 636 %lex-param {short lex_param2}]],
 637         [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
 638 AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
 639 AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
 640 AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) {]])
 641 AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
 642 AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) {]])
 643 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param1 = parse_param1;]], [2])
 644 AT_CHECK_JAVA_GREP([[[  ]*this.parse_param2 = parse_param2;]], [2])
 645
 646 AT_CLEANUP
 647
 648
 649 # ------------------------- #
 650 # Java throw specifications #
 651 # ------------------------- #
 652
 653 AT_SETUP([Java throws specifications])
 654
 655 # %define throws        - 0 1 2
 656 # %define lex-throws    - 0 1 2
 657 # %code lexer             0 1
 658
 659 m4_define([AT_JT_lex_throws_define], [m4_case(AT_JT_lex_throws,
 660         -1, [],
 661          0, [[%define lex_throws ""]],
 662          1, [[%define lex_throws "InterruptedException"]],
 663          2, [[%define lex_throws "InterruptedException, IllegalAccessException"]])])
 664
 665 m4_define([AT_JT_yylex_throws], [m4_case(AT_JT_lex_throws,
 666         -1, [[ throws java.io.IOException]],
 667          0, [],
 668          1, [[ throws InterruptedException]],
 669          2, [[ throws InterruptedException, IllegalAccessException]])])
 670
 671 m4_define([AT_JT_yylex_action], [m4_case(AT_JT_lex_throws,
 672         -1, [[throw new java.io.IOException();]],
 673          0, [[return EOF;]],
 674          1, [[throw new InterruptedException();]],
 675          2, [[throw new IllegalAccessException();]])])
 676
 677
 678 m4_define([AT_JT_throws_define], [m4_case(AT_JT_throws,
 679         -1, [],
 680          0, [[%define throws ""]],
 681          1, [[%define throws "ClassNotFoundException"]],
 682          2, [[%define throws "ClassNotFoundException, InstantiationException"]])])
 683
 684 m4_define([AT_JT_yyaction_throws], [m4_case(AT_JT_throws,
 685         -1, [],
 686          0, [],
 687          1, [[ throws ClassNotFoundException]],
 688          2, [[ throws ClassNotFoundException, InstantiationException]])])
 689
 690 m4_define([AT_JT_parse_throws_2], [m4_case(AT_JT_throws,
 691         -1, [],
 692          0, [],
 693          1, [[, ClassNotFoundException]],
 694          2, [[, ClassNotFoundException, InstantiationException]])])
 695
 696 m4_define([AT_JT_parse_throws],
 697         [m4_if(m4_quote(AT_JT_yylex_throws), [],
 698                 [AT_JT_yyaction_throws],
 699                 [AT_JT_yylex_throws[]AT_JT_parse_throws_2])])
 700
 701 m4_define([AT_JT_initial_action], [m4_case(AT_JT_throws,
 702         -1, [],
 703          0, [],
 704          1, [[%initial-action {if (true) throw new ClassNotFoundException();}]],
 705          2, [[%initial-action {if (true) throw new InstantiationException();}]])])
 706
 707 m4_define([AT_JT_parse_action], [m4_case(AT_JT_throws,
 708         -1, [],
 709          0, [],
 710          1, [[throw new ClassNotFoundException();]],
 711          2, [[throw new ClassNotFoundException();]])])
 712
 713 m4_for([AT_JT_lexer], 0, 1, 1,
 714   [m4_for([AT_JT_lex_throws], -1, 2, 1,
 715     [m4_for([AT_JT_throws], -1, 2, 1,
 716       [m4_if(AT_JT_lexer, 0,
 717         [AT_CHECK_JAVA_MINIMAL([
 718 AT_JT_throws_define
 719 AT_JT_lex_throws_define
 720 AT_JT_initial_action],
 721 [AT_JT_parse_action])],
 722         [AT_CHECK_JAVA_MINIMAL_W_LEXER([
 723 AT_JT_throws_define
 724 AT_JT_lex_throws_define
 725 AT_JT_initial_action],
 726 [AT_JT_yylex_throws],
 727 [AT_JT_yylex_action],
 728 [],
 729 [AT_JT_parse_action])])
 730 AT_CHECK_JAVA_GREP([[ *int yylex ()]AT_JT_yylex_throws *[;]])
 731 AT_CHECK_JAVA_GREP([[ *private int yyaction ([^)]*)]AT_JT_yyaction_throws[ *]])
 732 AT_CHECK_JAVA_GREP([[ *public boolean parse ()]AT_JT_parse_throws[ *]])
 733 ])])])
 734
 735 AT_CLEANUP
 736
 737
 738 # --------------------------------------------- #
 739 # Java stype, position_class and location_class #
 740 # --------------------------------------------- #
 741
 742 AT_SETUP([Java stype, position_class and location_class])
 743
 744 AT_CHECK_JAVA_MINIMAL([[
 745 %define stype "java.awt.Color"
 746 %type<java.awt.Color> start;
 747 %define location_type "MyLoc"
 748 %define position_type "MyPos"
 749 %code { class MyPos {} }]], [[$$ = $<java.awt.Color>1;]], [[MyPos]])
 750 AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
 751 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
 752 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 753
 754 AT_CHECK_JAVA_MINIMAL_W_LEXER([[
 755 %define stype "java.awt.Color"
 756 %type<java.awt.Color> start;
 757 %define location_type "MyLoc"
 758 %define position_type "MyPos"
 759 %code { class MyPos {} }]], [], [[return EOF;]], [],
 760 [[$$ = $<java.awt.Color>1;]],
 761 [[java.awt.Color]], [[MyPos]], [[MyLoc]])
 762 AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
 763 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
 764 AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
 765
 766 AT_CLEANUP