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0049ec86 1# Java tests for simple calculator. -*- Autotest -*-
8405b70c 2
34136e65 3# Copyright (C) 2007-2012 Free Software Foundation, Inc.
8405b70c 4
f16b0819 5# This program is free software: you can redistribute it and/or modify
8405b70c 6# it under the terms of the GNU General Public License as published by
f16b0819
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7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9#
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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.
f16b0819 14#
8405b70c 15# You should have received a copy of the GNU General Public License
f16b0819 16# along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
18AT_BANNER([[Java Calculator.]])
19
20
21# ------------------------- #
22# Helping Autotest macros. #
23# ------------------------- #
24
25
01b477c6 26# _AT_DATA_JAVA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
417e31d2 27# ----------------------------------------------------
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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.
32m4_define([_AT_DATA_JAVA_CALC_Y],
33[m4_if([$1$2$3], $[1]$[2]$[3], [],
34 [m4_fatal([$0: Invalid arguments: $@])])dnl
6d559547 35AT_BISON_OPTION_PUSHDEFS([%language "Java" $4])
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36AT_DATA([Calc.y],
37[[/* Infix notation calculator--calc */
38%language "Java"
01b477c6 39%name-prefix "Calc"
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40%define parser_class_name "Calc"
41%define public
42
01b477c6
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43]$4[
44
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45%code imports {
46 import java.io.StreamTokenizer;
47 import java.io.InputStream;
48 import java.io.InputStreamReader;
49 import java.io.Reader;
50 import java.io.IOException;
51}
52
53/* Bison Declarations */
54%token <Integer> NUM "number"
55%type <Integer> exp
56
57%nonassoc '=' /* comparison */
58%left '-' '+'
59%left '*' '/'
60%left NEG /* negation--unary minus */
61%right '^' /* exponentiation */
62
63/* Grammar follows */
64%%
65input:
66 line
67| input line
68;
69
70line:
71 '\n'
72| exp '\n'
73| error '\n'
74;
75
76exp:
77 NUM { $$ = $1; }
78| exp '=' exp
79 {
80 if ($1.intValue () != $3.intValue ())
6771a463 81 yyerror (]AT_LOCATION_IF([[@$,]])[ "calc: error: " + $1 + " != " + $3);
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82 }
83| exp '+' exp { $$ = 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 '/' exp { $$ = new Integer ($1.intValue () / $3.intValue ()); }
87| '-' exp %prec NEG { $$ = new Integer (-$2.intValue ()); }
88| exp '^' exp { $$ = new Integer ((int)
89 Math.pow ($1.intValue (),
90 $3.intValue ())); }
91| '(' exp ')' { $$ = $2; }
92| '(' error ')' { $$ = new Integer (1111); }
93| '!' { $$ = new Integer (0); return YYERROR; }
94| '-' error { $$ = new Integer (0); return YYERROR; }
95;
01b477c6
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96
97]AT_LEXPARAM_IF([[
98%code lexer {
99]],
100[[
8405b70c 101%%
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102class CalcLexer implements Calc.Lexer {
103]])[
104 StreamTokenizer st;
105
106 public ]AT_LEXPARAM_IF([[YYLexer]], [[CalcLexer]]) (InputStream is)
107 {
108 st = new StreamTokenizer (new InputStreamReader (is));
109 st.resetSyntax ();
110 st.eolIsSignificant (true);
111 st.whitespaceChars (9, 9);
112 st.whitespaceChars (32, 32);
113 st.wordChars (48, 57);
114 }
115
116AT_LOCATION_IF([[
6771a463 117 Position yypos = new Position (1, 0);
8405b70c 118
01b477c6 119 public Position getStartPos() {
6771a463 120 return yypos;
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121 }
122
01b477c6 123 public Position getEndPos() {
6771a463 124 return yypos;
01b477c6 125 }
01b477c6 126]])[
6d559547 127 ]AT_YYERROR_DEFINE[
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128
129 Integer yylval;
130
131 public Object getLVal() {
132 return yylval;
133 }
134
135 public int yylex () throws IOException {
136 int ttype = st.nextToken ();
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137 ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno (),
138 yypos.token () + 1);]])[
01b477c6 139 if (ttype == st.TT_EOF)
1979121c 140 return EOF;
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141
142 else if (ttype == st.TT_EOL)
143 {
6771a463 144 ]AT_LOCATION_IF([[yypos = new Position (yypos.lineno () + 1, 0);]])[
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145 return (int) '\n';
146 }
147
148 else if (ttype == st.TT_WORD)
149 {
150 yylval = new Integer (st.sval);
1979121c 151 return NUM;
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152 }
153
154 else
155 return st.ttype;
156 }
157
158
159]AT_LEXPARAM_IF([[
160};
161%%]], [[
162}]])
163
164[
165class Position {
166 public int line;
6771a463 167 public int token;
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168
169 public Position ()
170 {
171 line = 0;
6771a463 172 token = 0;
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173 }
174
6771a463 175 public Position (int l, int t)
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176 {
177 line = l;
6771a463 178 token = t;
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179 }
180
181 public boolean equals (Position l)
182 {
6771a463 183 return l.line == line && l.token == token;
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184 }
185
186 public String toString ()
187 {
6771a463 188 return Integer.toString (line) + "." + Integer.toString(token);
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189 }
190
191 public int lineno ()
192 {
193 return line;
194 }
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195
196 public int token ()
197 {
198 return token;
199 }
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200}
201
202]])
6d559547 203AT_BISON_OPTION_POPDEFS
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204])# _AT_DATA_JAVA_CALC_Y
205
206
01b477c6 207# AT_DATA_CALC_Y([BISON-OPTIONS])
417e31d2 208# -------------------------------
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209# Produce `calc.y'.
210m4_define([AT_DATA_JAVA_CALC_Y],
01b477c6 211[_AT_DATA_JAVA_CALC_Y($[1], $[2], $[3], [$1])
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212])
213
214
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215# _AT_CHECK_JAVA_CALC_ERROR(BISON-OPTIONS, INPUT,
216# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
6d559547 217# --------------------------------------------------------------
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218# Run `calc' on INPUT, and expect a `syntax error' message.
219#
220# If INPUT starts with a slash, it is used as absolute input file name,
221# otherwise as contents.
222#
223# The VERBOSE-AND-LOCATED-ERROR-MESSAGE is stripped of locations
224# and expected tokens if necessary, and compared with the output.
225m4_define([_AT_CHECK_JAVA_CALC_ERROR],
226[m4_bmatch([$2], [^/],
227 [AT_JAVA_PARSER_CHECK([Calc < $2], 0, [], [stderr])],
228 [AT_DATA([[input]],
229[[$2
230]])
231AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])])
232
233# Normalize the observed and expected error messages, depending upon the
234# options.
235# 1. Create the reference error message.
236AT_DATA([[expout]],
237[$3
238])
239# 2. If locations are not used, remove them.
240AT_YYERROR_SEES_LOC_IF([],
241[[sed 's/^[-0-9.]*: //' expout >at-expout
242mv at-expout expout]])
243# 3. If error-verbose is not used, strip the`, unexpected....' part.
244m4_bmatch([$1], [%error-verbose], [],
245[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
246mv at-expout expout]])
247# 4. Check
248AT_CHECK([cat stderr], 0, [expout])
249])
250
01b477c6 251# _AT_CHECK_JAVA_CALC([BISON-DIRECTIVES], [BISON-CODE])
417e31d2 252# -----------------------------------------------------
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253# Start a testing chunk which compiles `calc' grammar with
254# BISON-DIRECTIVES, and performs several tests over the parser.
255m4_define([_AT_CHECK_JAVA_CALC],
256[# We use integers to avoid dependencies upon the precision of doubles.
257AT_SETUP([Calculator $1])
258
259AT_BISON_OPTION_PUSHDEFS([$1])
260
261AT_DATA_JAVA_CALC_Y([$1
262%code {
263$2
01b477c6 264}])
8405b70c 265
da730230 266AT_BISON_CHECK([-o Calc.java Calc.y])
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267AT_JAVA_COMPILE([Calc.java])
268
269# Test the priorities.
270AT_DATA([[input]],
271[[1 + 2 * 3 = 7
2721 + 2 * -3 = -5
273
274-1^2 = -1
275(-1)^2 = 1
276
277---1 = -1
278
2791 - 2 - 3 = -4
2801 - (2 - 3) = 2
281
2822^2^3 = 256
283(2^2)^3 = 64
284]])
285AT_JAVA_PARSER_CHECK([Calc < input], 0, [], [stderr])
286
287
288# Some syntax errors.
289_AT_CHECK_JAVA_CALC_ERROR([$1], [0 0],
6771a463 290 [1.2: syntax error, unexpected number])
8405b70c 291_AT_CHECK_JAVA_CALC_ERROR([$1], [1//2],
6771a463 292 [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
8405b70c 293_AT_CHECK_JAVA_CALC_ERROR([$1], [error],
6771a463 294 [1.1: syntax error, unexpected $undefined])
8405b70c 295_AT_CHECK_JAVA_CALC_ERROR([$1], [1 = 2 = 3],
6771a463 296 [1.4: syntax error, unexpected '='])
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297_AT_CHECK_JAVA_CALC_ERROR([$1], [
298+1],
6771a463 299 [2.1: syntax error, unexpected '+'])
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300# Exercise error messages with EOF: work on an empty file.
301_AT_CHECK_JAVA_CALC_ERROR([$1], [/dev/null],
6771a463 302 [1.1: syntax error, unexpected end of input])
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303
304# Exercise the error token: without it, we die at the first error,
305# hence be sure to
306#
307# - have several errors which exercise different shift/discardings
308# - (): nothing to pop, nothing to discard
309# - (1 + 1 + 1 +): a lot to pop, nothing to discard
310# - (* * *): nothing to pop, a lot to discard
311# - (1 + 2 * *): some to pop and discard
312#
313# - test the action associated to `error'
314#
315# - check the lookahead that triggers an error is not discarded
316# when we enter error recovery. Below, the lookahead causing the
317# first error is ")", which is needed to recover from the error and
318# produce the "0" that triggers the "0 != 1" error.
319#
11707b2b 320_AT_CHECK_JAVA_CALC_ERROR([$1],
8405b70c 321 [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
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322[1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
3231.11: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
3241.14: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
3251.24: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
3261.1-1.27: calc: error: 4444 != 1])
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327
328# The same, but this time exercising explicitly triggered syntax errors.
329# POSIX says the lookahead causing the error should not be discarded.
330_AT_CHECK_JAVA_CALC_ERROR([$1], [(!) + (0 0) = 1],
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331[1.7: syntax error, unexpected number
3321.1-1.10: calc: error: 2222 != 1])
8405b70c 333_AT_CHECK_JAVA_CALC_ERROR([$1], [(- *) + (0 0) = 1],
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334[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
3351.8: syntax error, unexpected number
3361.1-1.11: calc: error: 2222 != 1])
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337AT_BISON_OPTION_POPDEFS
338
339AT_CLEANUP
340])# _AT_CHECK_JAVA_CALC
341
342
01b477c6 343# AT_CHECK_JAVA_CALC([BISON-DIRECTIVES])
417e31d2 344# --------------------------------------
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345# Start a testing chunk which compiles `calc' grammar with
346# BISON-DIRECTIVES, and performs several tests over the parser.
347# Run the test with and without %error-verbose.
348m4_define([AT_CHECK_JAVA_CALC],
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349[_AT_CHECK_JAVA_CALC([$1], [$2])
350_AT_CHECK_JAVA_CALC([%error-verbose $1], [$2])
351_AT_CHECK_JAVA_CALC([%locations $1], [$2])
352_AT_CHECK_JAVA_CALC([%error-verbose %locations $1], [$2])
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353])# AT_CHECK_JAVA_CALC
354
355
356# ------------------------ #
357# Simple LALR Calculator. #
358# ------------------------ #
359
01b477c6 360AT_CHECK_JAVA_CALC([], [[
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361 public static void main (String args[]) throws IOException
362 {
363 CalcLexer l = new CalcLexer (System.in);
364 Calc p = new Calc (l);
365 p.parse ();
366 }
01b477c6 367]])
8405b70c 368
01b477c6
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369AT_CHECK_JAVA_CALC([%lex-param { InputStream is } ], [[
370 public static void main (String args[]) throws IOException
8405b70c 371 {
01b477c6 372 new Calc (System.in).parse ();
8405b70c 373 }
8405b70c 374]])
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375
376
377
378# -----------------#
379# Java Directives. #
380# -----------------#
381
382AT_BANNER([Java Parameters.])
383
384
385# AT_CHECK_JAVA_MINIMAL([DIRECTIVES], [PARSER_ACTION], [POSITION_CLASS])
386# ----------------------------------------------------------------------
387# Check that a mininal parser with DIRECTIVES compiles in Java.
388# Put the Java code in YYParser.java.
389m4_define([AT_CHECK_JAVA_MINIMAL],
390[
391AT_DATA([[YYParser.y]], [
392%language "Java"
393%locations
394%debug
395%error-verbose
396%token-table
417e31d2 397%token END "end"
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398$1
399%%
417e31d2 400start: END {$2};
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401%%
402class m4_default([$3], [Position]) {}
403])
404AT_BISON_CHECK([[YYParser.y]])
74553c98 405AT_CHECK([[grep '[mb]4_' YYParser.y]], [1], [ignore])
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406AT_JAVA_COMPILE([[YYParser.java]])
407])
408
409
410# AT_CHECK_JAVA_MINIMAL_W_LEXER([1:DIRECTIVES], [2:LEX_THROWS],
e9690142
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411# [3:YYLEX_ACTION], [4:LEXER_BODY], [5:PARSER_ACTION], [6:STYPE],
412# [7:POSITION_TYPE], [8:LOCATION_TYPE])
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413# ---------------------------------------------------------------------
414# Check that a mininal parser with DIRECTIVES and a "%code lexer".
415# YYLEX is the body of yylex () which throws LEX_THROW.
416# compiles in Java.
417m4_define([AT_CHECK_JAVA_MINIMAL_W_LEXER],
418[AT_CHECK_JAVA_MINIMAL([$1
419
420%code lexer
421{
422 m4_default([$6], [Object]) yylval;
423 public m4_default([$6], [Object]) getLVal() { return yylval; }
424
425 public m4_default([$7], [Position]) getStartPos() { return null; }
426 public m4_default([$7], [Position]) getEndPos() { return null; }
427
428 public void yyerror (m4_default([$8], [Location]) loc, String s)
429 {
430 System.err.println (loc + ": " + s);
431 }
432
433 public int yylex ()$2
434 {
435 $3
436 }
11707b2b 437
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438 $4
439}], [$5], [$7])])
440
441
442# AT_CHECK_JAVA_GREP([LINE], [COUNT=1])
443# -------------------------------------
444# Check that YYParser.java contains exactly COUNT lines matching ^LINE$
445# with grep.
446m4_define([AT_CHECK_JAVA_GREP],
e9690142 447 [AT_CHECK([grep -c '^$1$' YYParser.java], [], [m4_default([$2], [1])
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448])
449])
450
451
417e31d2
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452# ------------------------------------- #
453# Java parser class and package names. #
454# ------------------------------------- #
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455
456AT_SETUP([Java parser class and package names])
457
458AT_CHECK_JAVA_MINIMAL([])
459AT_CHECK_JAVA_GREP([[class YYParser]])
460
461AT_CHECK_JAVA_MINIMAL([[%name-prefix "Prefix"]])
462AT_CHECK_JAVA_GREP([[class PrefixParser]])
463
2a6b66c5 464AT_CHECK_JAVA_MINIMAL([[%define api.token.prefix "TOK_"]])
417e31d2
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465AT_CHECK_JAVA_GREP([[.*TOK_END.*]])
466
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467AT_CHECK_JAVA_MINIMAL([[%define parser_class_name "ParserClassName"]])
468AT_CHECK_JAVA_GREP([[class ParserClassName]])
469
470AT_CHECK_JAVA_MINIMAL([[%define package "user_java_package"]])
471AT_CHECK_JAVA_GREP([[package user_java_package;]])
472
473AT_CLEANUP
474
475
417e31d2
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476# ----------------------------- #
477# Java parser class modifiers. #
478# ----------------------------- #
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479
480AT_SETUP([Java parser class modifiers])
481
482AT_CHECK_JAVA_MINIMAL([[%define abstract]])
483AT_CHECK_JAVA_GREP([[abstract class YYParser]])
484
485AT_CHECK_JAVA_MINIMAL([[%define final]])
486AT_CHECK_JAVA_GREP([[final class YYParser]])
487
488AT_CHECK_JAVA_MINIMAL([[%define strictfp]])
489AT_CHECK_JAVA_GREP([[strictfp class YYParser]])
490
491AT_CHECK_JAVA_MINIMAL([[
492%define abstract
493%define strictfp]])
494AT_CHECK_JAVA_GREP([[abstract strictfp class YYParser]])
495
496AT_CHECK_JAVA_MINIMAL([[
497%define final
498%define strictfp]])
499AT_CHECK_JAVA_GREP([[final strictfp class YYParser]])
500
501AT_CHECK_JAVA_MINIMAL([[%define public]])
502AT_CHECK_JAVA_GREP([[public class YYParser]])
503
504AT_CHECK_JAVA_MINIMAL([[
505%define public
506%define abstract]])
507AT_CHECK_JAVA_GREP([[public abstract class YYParser]])
508
509AT_CHECK_JAVA_MINIMAL([[
510%define public
511%define final]])
512AT_CHECK_JAVA_GREP([[public final class YYParser]])
513
514AT_CHECK_JAVA_MINIMAL([[
515%define public
516%define strictfp]])
517AT_CHECK_JAVA_GREP([[public strictfp class YYParser]])
518
519AT_CHECK_JAVA_MINIMAL([[
520%define public
521%define abstract
522%define strictfp]])
523AT_CHECK_JAVA_GREP([[public abstract strictfp class YYParser]])
524
525AT_CHECK_JAVA_MINIMAL([[
526%define public
527%define final
528%define strictfp]])
529AT_CHECK_JAVA_GREP([[public final strictfp class YYParser]])
530
1979121c
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531# FIXME: Can't do a Java compile because javacomp.sh is configured for 1.3
532AT_CHECK_JAVA_MINIMAL([[
533%define annotations "/*@Deprecated @SupressWarnings(\"unchecked\") @SupressWarnings({\"unchecked\", \"deprecation\"}) @SupressWarnings(value={\"unchecked\", \"deprecation\"})*/"
534%define public]])
535AT_CHECK_JAVA_GREP([[/\*@Deprecated @SupressWarnings("unchecked") @SupressWarnings({"unchecked", "deprecation"}) @SupressWarnings(value={"unchecked", "deprecation"})\*/ public class YYParser]])
536
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537AT_CLEANUP
538
539
540# ---------------------------------------- #
541# Java parser class extends and implements #
542# ---------------------------------------- #
543
544AT_SETUP([Java parser class extends and implements])
545
546AT_CHECK_JAVA_MINIMAL([[%define extends "Thread"]])
547AT_CHECK_JAVA_GREP([[class YYParser extends Thread]])
548
549AT_CHECK_JAVA_MINIMAL([[%define implements "Cloneable"]])
550AT_CHECK_JAVA_GREP([[class YYParser implements Cloneable]])
551
552AT_CHECK_JAVA_MINIMAL([[
553%define extends "Thread"
554%define implements "Cloneable"]])
555AT_CHECK_JAVA_GREP([[class YYParser extends Thread implements Cloneable]])
556
557AT_CLEANUP
558
559
560# -------------------------------- #
561# Java %parse-param and %lex-param #
562# -------------------------------- #
563
564AT_SETUP([Java %parse-param and %lex-param])
565
566AT_CHECK_JAVA_MINIMAL([])
1979121c 567AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer) *]])
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568
569AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
570AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
1979121c 571AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) *]])
11707b2b 572AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]])
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573
574AT_CHECK_JAVA_MINIMAL([[
575%parse-param {int parse_param1}
576%parse-param {long parse_param2}]])
577AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
578AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
1979121c 579AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
11707b2b
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580AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]])
581AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]])
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582
583AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
1979121c
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584AT_CHECK_JAVA_GREP([[ *public YYParser () *]])
585AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer) *]])
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586
587AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
1979121c 588 [], [[return EOF;]])
e254a580 589AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
1979121c
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590AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) *]])
591AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) *]])
11707b2b 592AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
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593
594AT_CHECK_JAVA_MINIMAL_W_LEXER([[
595%parse-param {int parse_param1}
596%parse-param {long parse_param2}]],
1979121c 597 [], [[return EOF;]])
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598AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
599AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
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600AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) *]])
601AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
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602AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
603AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]], [2])
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604
605AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
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606 [], [[return EOF;]], [[YYLexer (char lex_param1) {}]])
607AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1) *]])
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608AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1);]])
609
610AT_CHECK_JAVA_MINIMAL_W_LEXER([[
611%lex-param {char lex_param1}
612%lex-param {short lex_param2}]],
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613 [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
614AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2) *]])
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615AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
616
617AT_CHECK_JAVA_MINIMAL_W_LEXER([[
618%parse-param {int parse_param1}
619%parse-param {long parse_param2}
620%lex-param {char lex_param1}
621%lex-param {short lex_param2}]],
1979121c 622 [], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
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623AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
624AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
1979121c 625AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) *]])
e254a580 626AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
1979121c 627AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
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628AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
629AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]], [2])
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630
631AT_CLEANUP
632
633
634# ------------------------- #
635# Java throw specifications #
636# ------------------------- #
637
638AT_SETUP([Java throws specifications])
639
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640# %define throws - 0 1 2
641# %define lex-throws - 0 1 2
642# %code lexer 0 1
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643
644m4_define([AT_JT_lex_throws_define], [m4_case(AT_JT_lex_throws,
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645 -1, [],
646 0, [[%define lex_throws ""]],
647 1, [[%define lex_throws "InterruptedException"]],
648 2, [[%define lex_throws "InterruptedException, IllegalAccessException"]])])
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649
650m4_define([AT_JT_yylex_throws], [m4_case(AT_JT_lex_throws,
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651 -1, [[ throws java.io.IOException]],
652 0, [],
653 1, [[ throws InterruptedException]],
654 2, [[ throws InterruptedException, IllegalAccessException]])])
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655
656m4_define([AT_JT_yylex_action], [m4_case(AT_JT_lex_throws,
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657 -1, [[throw new java.io.IOException();]],
658 0, [[return EOF;]],
659 1, [[throw new InterruptedException();]],
660 2, [[throw new IllegalAccessException();]])])
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661
662
663m4_define([AT_JT_throws_define], [m4_case(AT_JT_throws,
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664 -1, [],
665 0, [[%define throws ""]],
666 1, [[%define throws "ClassNotFoundException"]],
667 2, [[%define throws "ClassNotFoundException, InstantiationException"]])])
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668
669m4_define([AT_JT_yyaction_throws], [m4_case(AT_JT_throws,
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670 -1, [],
671 0, [],
672 1, [[ throws ClassNotFoundException]],
673 2, [[ throws ClassNotFoundException, InstantiationException]])])
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674
675m4_define([AT_JT_parse_throws_2], [m4_case(AT_JT_throws,
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676 -1, [],
677 0, [],
678 1, [[, ClassNotFoundException]],
679 2, [[, ClassNotFoundException, InstantiationException]])])
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680
681m4_define([AT_JT_parse_throws],
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682 [m4_if(m4_quote(AT_JT_yylex_throws), [],
683 [AT_JT_yyaction_throws],
684 [AT_JT_yylex_throws[]AT_JT_parse_throws_2])])
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685
686m4_define([AT_JT_initial_action], [m4_case(AT_JT_throws,
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687 -1, [],
688 0, [],
689 1, [[%initial-action {if (true) throw new ClassNotFoundException();}]],
690 2, [[%initial-action {if (true) throw new InstantiationException();}]])])
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691
692m4_define([AT_JT_parse_action], [m4_case(AT_JT_throws,
e9690142
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693 -1, [],
694 0, [],
695 1, [[throw new ClassNotFoundException();]],
696 2, [[throw new ClassNotFoundException();]])])
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697
698m4_for([AT_JT_lexer], 0, 1, 1,
699 [m4_for([AT_JT_lex_throws], -1, 2, 1,
700 [m4_for([AT_JT_throws], -1, 2, 1,
701 [m4_if(AT_JT_lexer, 0,
e9690142 702 [AT_CHECK_JAVA_MINIMAL([
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703AT_JT_throws_define
704AT_JT_lex_throws_define
705AT_JT_initial_action],
706[AT_JT_parse_action])],
e9690142 707 [AT_CHECK_JAVA_MINIMAL_W_LEXER([
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708AT_JT_throws_define
709AT_JT_lex_throws_define
710AT_JT_initial_action],
711[AT_JT_yylex_throws],
712[AT_JT_yylex_action],
713[],
714[AT_JT_parse_action])])
715AT_CHECK_JAVA_GREP([[ *int yylex ()]AT_JT_yylex_throws *[;]])
716AT_CHECK_JAVA_GREP([[ *private int yyaction ([^)]*)]AT_JT_yyaction_throws[ *]])
717AT_CHECK_JAVA_GREP([[ *public boolean parse ()]AT_JT_parse_throws[ *]])
718])])])
719
720AT_CLEANUP
721
722
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723# ------------------------------------- #
724# Java constructor init and init_throws #
725# ------------------------------------- #
726
727AT_SETUP([Java constructor init and init_throws])
728
729AT_CHECK_JAVA_MINIMAL([[
730%define extends "Thread"
731%code init { super("Test Thread"); if (true) throw new InterruptedException(); }
732%define init_throws "InterruptedException"
733%lex-param {int lex_param}]])
734AT_CHECK([[grep -q 'super("Test Thread"); if (true) throw new InterruptedException();' YYParser.java]])
735
736AT_CHECK_JAVA_MINIMAL_W_LEXER([[
737%define extends "Thread"
738%code init { super("Test Thread"); if (true) throw new InterruptedException(); }
739%define init_throws "InterruptedException"]], [], [[return EOF;]])
740AT_CHECK([[grep -q 'super("Test Thread"); if (true) throw new InterruptedException();' YYParser.java]])
741
742AT_CLEANUP
743
744
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745# --------------------------------------------- #
746# Java stype, position_class and location_class #
747# --------------------------------------------- #
748
749AT_SETUP([Java stype, position_class and location_class])
750
751AT_CHECK_JAVA_MINIMAL([[
752%define stype "java.awt.Color"
753%type<java.awt.Color> start;
f6b561d9 754%define api.location.type "MyLoc"
7287be84 755%define api.position.type "MyPos"
e254a580 756%code { class MyPos {} }]], [[$$ = $<java.awt.Color>1;]], [[MyPos]])
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757AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
758AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
759AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
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760
761AT_CHECK_JAVA_MINIMAL_W_LEXER([[
762%define stype "java.awt.Color"
763%type<java.awt.Color> start;
f6b561d9 764%define api.location.type "MyLoc"
7287be84 765%define api.position.type "MyPos"
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766%code { class MyPos {} }]], [], [[return EOF;]], [],
767[[$$ = $<java.awt.Color>1;]],
768[[java.awt.Color]], [[MyPos]], [[MyLoc]])
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769AT_CHECK([[grep 'java.awt.Color' YYParser.java]], [0], [ignore])
770AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Position']], [1], [ignore])
771AT_CHECK([[$EGREP -v ' */?\*' YYParser.java | grep 'Location']], [1], [ignore])
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772
773AT_CLEANUP
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774
775
776# ----------------------------------------------- #
777# Java syntax error handling without error token. #
778# ----------------------------------------------- #
779
780AT_SETUP([Java syntax error handling without error token])
781
782AT_DATA([[YYParser.y]], [[%language "Java"
783
784%lex-param { String s }
785
786%code imports {
787 import java.io.IOException;
788}
789
790%code lexer {
791 String Input;
792 int Position;
793
794 public YYLexer (String s)
795 {
796 Input = s;
797 Position = 0;
798 }
799
800 public void yyerror (String s)
801 {
802 System.err.println (s);
803 }
804
805 public Object getLVal ()
806 {
807 return null;
808 }
809
810 public int yylex () throws IOException
811 {
812 if (Position >= Input.length ())
813 return EOF;
814 else
815 return Input.charAt (Position++);
816 }
817}
818
819%code {
820 public static void main (String args []) throws IOException
821 {
822 YYParser p = new YYParser (args [0]);
823 p.parse ();
824 }
825}
826%%
827input:
828 'a' 'a'
829;
830]])
831AT_BISON_CHECK([[YYParser.y]])
832AT_JAVA_COMPILE([[YYParser.java]])
833AT_JAVA_PARSER_CHECK([[YYParser aa]], [[0]], [[]], [[]])
834AT_JAVA_PARSER_CHECK([[YYParser ab]], [[0]], [[]], [[syntax error
835]])
836AT_JAVA_PARSER_CHECK([[YYParser ba]], [[0]], [[]], [[syntax error
837]])
838
839AT_CLEANUP