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087b9fdf 1# Checking the Bison scanner. -*- Autotest -*-
7d424de1 2
34136e65 3# Copyright (C) 2002-2012 Free Software Foundation, Inc.
9b2d0677 4
f16b0819 5# This program is free software: you can redistribute it and/or modify
9b2d0677 6# it under the terms of the GNU General Public License as published by
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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#
9b2d0677 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([[Input Processing.]])
19
20# Mostly test that we are robust to mistakes.
21
6c35d22c 22
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23## ------------ ##
24## Invalid $n. ##
25## ------------ ##
26
287b314e 27AT_SETUP([Invalid $n and @n])
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28
29AT_DATA([input.y],
30[[%%
bfcf1f3a 31exp: { $$ = $1 ; };
bfcf1f3a 32exp: { @$ = @1 ; };
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33]])
34
da730230 35AT_BISON_CHECK([input.y], [1], [],
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36[[input.y:2.13-14: integer out of range: '$1'
37input.y:3.13-14: integer out of range: '@1'
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38]])
39
40AT_CLEANUP
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41
42
43## -------------- ##
e776192e 44## Type Clashes. ##
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45## -------------- ##
46
e776192e 47AT_SETUP([Type Clashes])
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48
49AT_DATA([input.y],
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50[[%union { int bar; }
51%token foo
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52%type <bar> exp
53%%
ffa4ba3a 54exp: foo { $$; } foo { $2; } foo
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55 | foo
56 | /* Empty. */
57 ;
58]])
59
da730230 60AT_BISON_CHECK([input.y], [1], [],
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61[[input.y:5.12-13: $$ for the midrule at $2 of 'exp' has no declared type
62input.y:5.24-25: $2 of 'exp' has no declared type
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63input.y:5.6-32: warning: type clash on default action: <bar> != <>
64input.y:6.6-8: warning: type clash on default action: <bar> != <>
65input.y:7.5: warning: empty rule for typed nonterminal, and no action
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66]])
67
68AT_CLEANUP
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69
70
ffa4ba3a 71# _AT_UNUSED_VALUES_DECLARATIONS()
dab244d5 72# --------------------------------
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73# Generate the token, type, and destructor
74# declarations for the unused values tests.
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75m4_define([_AT_UNUSED_VALUES_DECLARATIONS],
76[[[%token <integer> INT;
77%type <integer> a b c d e f g h i j k l;
78%destructor { destroy ($$); } INT a b c d e f g h i j k l;]]])
378f4bd8 79
ffa4ba3a 80
17bd8a73 81# AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES)
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82# ----------------------------------------------------------------
83# Generate a grammar to test unused values, compile it, run it. If
84# DECLARATIONS_AFTER is set, then the token, type, and destructor
85# declarations are generated after the rules rather than before. If
86# CHECK_MIDRULE_VALUES is set, then --warnings=midrule-values is set.
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87m4_define([AT_CHECK_UNUSED_VALUES],
88[AT_DATA([input.y],
89m4_ifval($1, [
90
91
92], [_AT_UNUSED_VALUES_DECLARATIONS
93])[[%%
27622431 94start:
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95 'a' a { $]2[; } | 'b' b { $]2[; } | 'c' c { $]2[; } | 'd' d { $]2[; }
96| 'e' e { $]2[; } | 'f' f { $]2[; } | 'g' g { $]2[; } | 'h' h { $]2[; }
97| 'i' i { $]2[; } | 'j' j { $]2[; } | 'k' k { $]2[; } | 'l' l { $]2[; }
378f4bd8 98;
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99
100a: INT | INT { } INT { } INT { };
101b: INT | /* empty */;
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102c: INT | INT { $]1[; } INT { $<integer>2; } INT { $<integer>4; };
103d: INT | INT { } INT { $]1[; } INT { $<integer>2; };
104e: INT | INT { } INT { } INT { $]1[; };
ffa4ba3a 105f: INT | INT { } INT { } INT { $]$[ = $]1[ + $]3[ + $]5[; };
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106g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
107h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
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108i: INT | INT INT { } { $]$[ = $]1[ + $]2[; };
109j: INT | INT INT { $<integer>$ = 1; } { $]$[ = $]1[ + $]2[; };
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110k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { };
111l: INT | INT { $<integer>$ = $<integer>1; } INT { $<integer>$ = $<integer>2 + $<integer>3; } INT { $<integer>$ = $<integer>4 + $<integer>5; };]]m4_ifval($1, [
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112_AT_UNUSED_VALUES_DECLARATIONS])
113)
114
da730230 115AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
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116[[input.y:11.10-32: warning: unset value: $]$[
117input.y:11.10-32: warning: unused value: $]1[
118input.y:11.10-32: warning: unused value: $]3[
119input.y:11.10-32: warning: unused value: $]5[
120input.y:12.9: warning: empty rule for typed nonterminal, and no action
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121]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $$
122input.y:13.26-41: warning: unset value: $$
123]]])[[input.y:13.10-62: warning: unset value: $]$[
124input.y:13.10-62: warning: unused value: $]3[
125input.y:13.10-62: warning: unused value: $]5[
17bd8a73 126]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $$
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127]]])[[input.y:14.10-49: warning: unset value: $]$[
128input.y:14.10-49: warning: unused value: $]3[
129input.y:14.10-49: warning: unused value: $]5[
130input.y:15.10-37: warning: unset value: $]$[
131input.y:15.10-37: warning: unused value: $]3[
132input.y:15.10-37: warning: unused value: $]5[
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133input.y:17.10-58: warning: unset value: $]$[
134input.y:17.10-58: warning: unused value: $]1[
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135]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]2[
136]]])[[input.y:17.10-58: warning: unused value: $]3[
137]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]4[
138]]])[[input.y:17.10-58: warning: unused value: $]5[
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139input.y:18.10-72: warning: unset value: $]$[
140input.y:18.10-72: warning: unused value: $]1[
141input.y:18.10-72: warning: unused value: $]3[
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142]]m4_ifval($2, [[[input.y:18.10-72: warning: unused value: $]4[
143]]])[[input.y:18.10-72: warning: unused value: $]5[
144]]m4_ifval($2, [[[input.y:20.10-55: warning: unused value: $]3[
145]]])[[input.y:21.10-68: warning: unset value: $]$[
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146input.y:21.10-68: warning: unused value: $]1[
147input.y:21.10-68: warning: unused value: $]2[
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148]]m4_ifval($2, [[[input.y:21.10-68: warning: unused value: $]4[
149]]]))])
27622431 150
378f4bd8 151
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152## --------------- ##
153## Unused values. ##
154## --------------- ##
155
156AT_SETUP([Unused values])
157AT_CHECK_UNUSED_VALUES
17bd8a73 158AT_CHECK_UNUSED_VALUES(, [1])
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159AT_CLEANUP
160
161
162## ------------------------------------------ ##
163## Unused values before symbol declarations. ##
164## ------------------------------------------ ##
84866159 165
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166AT_SETUP([Unused values before symbol declarations])
167AT_CHECK_UNUSED_VALUES([1])
17bd8a73 168AT_CHECK_UNUSED_VALUES([1], [1])
84866159 169AT_CLEANUP
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170
171
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172## --------------------------------------------- ##
173## Default %printer and %destructor redeclared. ##
174## --------------------------------------------- ##
175
176AT_SETUP([Default %printer and %destructor redeclared])
177
178AT_DATA([[input.y]],
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179[[%destructor { destroy ($$); } <*> <*>
180%printer { destroy ($$); } <*> <*>
ec5479ce 181
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182%destructor { destroy ($$); } <*>
183%printer { destroy ($$); } <*>
184
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185%destructor { destroy ($$); } <> <>
186%printer { destroy ($$); } <> <>
12e35840 187
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188%destructor { destroy ($$); } <>
189%printer { destroy ($$); } <>
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190
191%%
192
193start: ;
194
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195%destructor { destroy ($$); } <*>;
196%printer { destroy ($$); } <*>;
197
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198%destructor { destroy ($$); } <>;
199%printer { destroy ($$); } <>;
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200]])
201
da730230 202AT_BISON_CHECK([input.y], [1], [],
12e35840 203[[input.y:1.13-29: redeclaration for default tagged %destructor
b2a0b7ca 204input.y:1.13-29: previous declaration
12e35840 205input.y:2.10-26: redeclaration for default tagged %printer
b2a0b7ca 206input.y:2.10-26: previous declaration
12e35840 207input.y:4.13-29: redeclaration for default tagged %destructor
ec5479ce 208input.y:1.13-29: previous declaration
12e35840 209input.y:5.10-26: redeclaration for default tagged %printer
ec5479ce 210input.y:2.10-26: previous declaration
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211input.y:7.13-29: redeclaration for default tagless %destructor
212input.y:7.13-29: previous declaration
213input.y:8.10-26: redeclaration for default tagless %printer
214input.y:8.10-26: previous declaration
215input.y:10.13-29: redeclaration for default tagless %destructor
216input.y:7.13-29: previous declaration
217input.y:11.10-26: redeclaration for default tagless %printer
218input.y:8.10-26: previous declaration
219input.y:17.13-29: redeclaration for default tagged %destructor
ec5479ce 220input.y:4.13-29: previous declaration
12e35840 221input.y:18.10-26: redeclaration for default tagged %printer
ec5479ce 222input.y:5.10-26: previous declaration
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223input.y:20.13-29: redeclaration for default tagless %destructor
224input.y:10.13-29: previous declaration
225input.y:21.10-26: redeclaration for default tagless %printer
226input.y:11.10-26: previous declaration
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227]])
228
229AT_CLEANUP
230
231
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232## ---------------------------------------------- ##
233## Per-type %printer and %destructor redeclared. ##
234## ---------------------------------------------- ##
235
236AT_SETUP([Per-type %printer and %destructor redeclared])
237
238AT_DATA([[input.y]],
239[[%destructor { destroy ($$); } <field1> <field2>
240%printer { destroy ($$); } <field1> <field2>
241
242%destructor { destroy ($$); } <field1> <field1>
243%printer { destroy ($$); } <field2> <field2>
244
245%%
246
247start: ;
248
249%destructor { destroy ($$); } <field2> <field1>;
250%printer { destroy ($$); } <field2> <field1>;
251]])
252
da730230 253AT_BISON_CHECK([input.y], [1], [],
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254[[input.y:4.13-29: %destructor redeclaration for <field1>
255input.y:1.13-29: previous declaration
256input.y:4.13-29: %destructor redeclaration for <field1>
257input.y:4.13-29: previous declaration
258input.y:5.10-26: %printer redeclaration for <field2>
259input.y:2.10-26: previous declaration
260input.y:5.10-26: %printer redeclaration for <field2>
261input.y:5.10-26: previous declaration
262input.y:11.13-29: %destructor redeclaration for <field1>
263input.y:4.13-29: previous declaration
264input.y:11.13-29: %destructor redeclaration for <field2>
265input.y:1.13-29: previous declaration
266input.y:12.10-26: %printer redeclaration for <field1>
267input.y:2.10-26: previous declaration
268input.y:12.10-26: %printer redeclaration for <field2>
269input.y:5.10-26: previous declaration
270]])
271
272AT_CLEANUP
273
274
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275## ---------------------------------------- ##
276## Unused values with default %destructor. ##
277## ---------------------------------------- ##
278
279AT_SETUP([Unused values with default %destructor])
280
281AT_DATA([[input.y]],
3ebecc24 282[[%destructor { destroy ($$); } <>
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283%type <tag> tagged
284
285%%
286
287start: end end tagged tagged { $<tag>1; $3; } ;
288end: { } ;
289tagged: { } ;
290]])
291
da730230 292AT_BISON_CHECK([input.y], [0], [],
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293[[input.y:6.8-45: warning: unset value: $$
294input.y:6.8-45: warning: unused value: $2
295input.y:7.6-8: warning: unset value: $$
296]])
297
298AT_DATA([[input.y]],
299[[%destructor { destroy ($$); } <*>
300%type <tag> tagged
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301
302%%
303
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304start: end end tagged tagged { $<tag>1; $3; } ;
305end: { } ;
306tagged: { } ;
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307]])
308
da730230 309AT_BISON_CHECK([input.y], [0], [],
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310[[input.y:6.8-45: warning: unused value: $4
311input.y:8.9-11: warning: unset value: $$
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312]])
313
314AT_CLEANUP
315
316
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317## ----------------------------------------- ##
318## Unused values with per-type %destructor. ##
319## ----------------------------------------- ##
320
321AT_SETUP([Unused values with per-type %destructor])
322
323AT_DATA([[input.y]],
324[[%destructor { destroy ($$); } <field1>
325%type <field1> start end
326
327%%
328
329start: end end { $1; } ;
330end: { } ;
331]])
332
da730230 333AT_BISON_CHECK([input.y], [0], [],
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334[[input.y:6.8-22: warning: unset value: $$
335input.y:6.8-22: warning: unused value: $2
336input.y:7.6-8: warning: unset value: $$
337]])
338
339AT_CLEANUP
340
341
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342## ---------------------- ##
343## Incompatible Aliases. ##
344## ---------------------- ##
345
346AT_SETUP([Incompatible Aliases])
347
348AT_DATA([input.y],
349[[%token foo "foo"
350
351%type <bar> foo
352%printer {bar} foo
353%destructor {bar} foo
354%left foo
355
356%type <baz> "foo"
357%printer {baz} "foo"
358%destructor {baz} "foo"
359%left "foo"
360
361%%
362exp: foo;
363]])
364
da730230 365AT_BISON_CHECK([input.y], [1], [],
df09ef2e 366[[input.y:8.7-11: %type redeclaration for foo
dd60572a 367input.y:3.7-11: previous declaration
df09ef2e 368input.y:10.13-17: %destructor redeclaration for foo
dd60572a 369input.y:5.13-17: previous declaration
e2a8c0f5 370input.y:9.10-14: %printer redeclaration for foo
dd60572a 371input.y:4.10-14: previous declaration
df09ef2e 372input.y:11.1-5: %left redeclaration for foo
dd60572a 373input.y:6.1-5: previous declaration
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374]])
375
376AT_CLEANUP
377
378
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379
380## ----------------------- ##
381## Torturing the Scanner. ##
382## ----------------------- ##
383
384# Be sure to compile and run, so that the C compiler checks what
385# we do.
386
387AT_SETUP([Torturing the Scanner])
388
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389
390AT_DATA([input.y], [])
da730230 391AT_BISON_CHECK([input.y], [1], [],
4a678af8 392[[input.y:1.1: syntax error, unexpected end of file
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393]])
394
395
e9071366 396AT_DATA([input.y],
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397[{}
398])
da730230 399AT_BISON_CHECK([input.y], [1], [],
4a678af8 400[[input.y:1.1-2: syntax error, unexpected {...}
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401]])
402
403
9501dc6e 404AT_DATA_GRAMMAR([input.y],
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405[[%{
406/* This is seen in GCC: a %{ and %} in middle of a comment. */
407const char *foo = "So %{ and %} can be here too.";
408
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409#if 0
410/* These examples test Bison while not stressing C compilers too much.
411 Many C compilers mishandle backslash-newlines, so this part of the
412 test is inside "#if 0". The comment and string are written so that
413 the "#endif" will be seen regardless of the C compiler bugs that we
414 know about, namely:
415
416 HP C (as of late 2002) mishandles *\[newline]\[newline]/ within a
417 comment.
418
419 The Apple Darwin compiler (as of late 2002) mishandles
420 \\[newline]' within a character constant.
421
422 */
423
206fe6a5 424/\
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425* A comment with backslash-newlines in it. %} *\
426\
206fe6a5 427/
dda7a53e 428/* { Close the above comment, if the C compiler mishandled it. */
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429
430char str[] = "\\
431" A string with backslash-newlines in it %{ %} \\
dda7a53e 432\
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433"";
434
dda7a53e 435char apostrophe = '\'';
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436#endif
437
5a08f1ce 438#include <stdio.h>
c4bd5bf7 439#include <stdlib.h>
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440%}
441/* %{ and %} can be here too. */
442
443%{
444/* Exercise pre-prologue dependency to %union. */
051ade83 445typedef int value;
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446%}
447
448/* Exercise M4 quoting: '@:>@@:>@', 0. */
449
450/* Also exercise %union. */
451%union
452{
051ade83 453 value ival; /* A comment to exercise an old bug. */
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454};
455
456
457/* Exercise post-prologue dependency to %union. */
458%{
051ade83 459static YYSTYPE value_as_yystype (value val);
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460
461/* Exercise quotes in declarations. */
462char quote[] = "@:>@@:>@,";
463%}
464
465%{
466static void yyerror (const char *s);
7172e23e 467static int yylex (void);
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468%}
469
206fe6a5 470%type <ival> '@<:@'
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471
472/* Exercise quotes in strings. */
3dc4c5fa 473%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x1\1"
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474
475%%
206fe6a5 476/* Exercise M4 quoting: '@:>@@:>@', @<:@, 1. */
087b9fdf 477exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt
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478 {
479 /* Exercise quotes in braces. */
480 char tmp[] = "@<:@%c@:>@,\n";
481 printf (tmp, $1);
482 }
483;
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484
485two: '\x000000000000000000000000000000000000000000000000000000000000000000002';
486oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_';
087b9fdf 487output.or.oline.opt: ;|oline;;|output;;;
5b7f88c7 488output: '#' 'o' 'u' 't' 'p' 'u' 't' ' ';
5a08f1ce 489%%
206fe6a5 490/* Exercise M4 quoting: '@:>@@:>@', @<:@, 2. */
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491
492static YYSTYPE
051ade83 493value_as_yystype (value val)
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494{
495 YYSTYPE res;
496 res.ival = val;
497 return res;
498}
499
7172e23e 500static int
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501yylex (void)
502{
cf806753 503 static char const input[] = "@<:@\1\2$@{@oline@__@&t@oline__\
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504#output "; /* "
505 */
cf806753
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506 static size_t toknum;
507 if (! (toknum < sizeof input))
508 abort ();
509 yylval = value_as_yystype (input[toknum]);
510 return input[toknum++];
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511}
512
513static void
514yyerror (const char *msg)
515{
516 fprintf (stderr, "%s\n", msg);
517}
518]])
519
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520# Pacify Emacs'font-lock-mode: "
521
5a08f1ce 522AT_DATA([main.c],
051ade83 523[[typedef int value;
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524#include "input.h"
525
526int yyparse (void);
527
528int
529main (void)
530{
531 return yyparse ();
532}
533]])
534
da730230 535AT_BISON_CHECK([-d -v -o input.c input.y])
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536AT_COMPILE([input.o], [-c input.c])
537AT_COMPILE([main.o], [-c main.c])
538AT_COMPILE([input], [input.o main.o])
1154cced 539AT_PARSER_CHECK([./input], 0,
206fe6a5 540[[[@<:@],
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541]])
542
543AT_CLEANUP
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544
545
546## ---------------------- ##
547## Typed symbol aliases. ##
548## ---------------------- ##
549
550AT_SETUP([Typed symbol aliases])
551
552# Bison 2.0 broke typed symbol aliases - ensure they work.
553
554AT_DATA_GRAMMAR([input.y],
555[[%union
556{
557 int val;
558};
559%token <val> MY_TOKEN "MY TOKEN"
560%type <val> exp
561%%
562exp: "MY TOKEN";
563%%
564]])
565
da730230 566AT_BISON_CHECK([-o input.c input.y])
e59adf8f
PE
567
568AT_CLEANUP
b50d2359
AD
569
570
571## --------- ##
572## Require. ##
573## --------- ##
574
575m4_define([AT_CHECK_REQUIRE],
576[AT_SETUP([Require $1])
577AT_DATA_GRAMMAR([input.y],
578[[%require "$1";
579%%
580empty_file:;
581]])
da730230 582AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)
b50d2359
AD
583AT_CLEANUP
584])
585
586AT_CHECK_REQUIRE(1.0, 0)
587AT_CHECK_REQUIRE(AT_PACKAGE_VERSION, 0)
588## FIXME: Some day augment this version number.
9b8a5ce0 589AT_CHECK_REQUIRE(100.0, 63)
1f6b3679
JD
590
591
592## ------------------------------------- ##
593## String aliases for character tokens. ##
594## ------------------------------------- ##
595
596AT_SETUP([String aliases for character tokens])
597
dab244d5
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598# Bison once thought a character token and its alias were different
599# symbols with the same user token number.
1f6b3679
JD
600
601AT_DATA_GRAMMAR([input.y],
602[[%token 'a' "a"
603%%
604start: 'a';
605%%
606]])
607
da730230 608AT_BISON_CHECK([-o input.c input.y])
1f6b3679
JD
609
610AT_CLEANUP
47aee066
JD
611
612
746ee38c
AD
613## -------------- ##
614## Symbol names. ##
615## -------------- ##
616
617AT_SETUP([Symbols])
618
746ee38c
AD
619AT_DATA_GRAMMAR([input.y],
620[[%token WITH-DASH
621%token WITHOUT_DASH "WITHOUT-DASH"
622%token WITH.PERIOD
623%token WITHOUT_PERIOD "WITHOUT.PERIOD"
d521ee19
JD
624%code {
625 void yyerror (char const *);
626 int yylex (void);
627}
746ee38c
AD
628%%
629start: with-dash without_dash with.period without_period;
630with-dash: WITH-DASH;
631without_dash: "WITHOUT-DASH";
632with.period: WITH.PERIOD;
633without_period: "WITHOUT.PERIOD";
634%%
635]])
636
637# POSIX Yacc accept periods, but not dashes.
638AT_BISON_CHECK([--yacc input.y], [1], [],
639[[input.y:9.8-16: POSIX Yacc forbids dashes in symbol names: WITH-DASH
d521ee19 640input.y:18.8-16: POSIX Yacc forbids dashes in symbol names: with-dash
746ee38c
AD
641]])
642
643# So warn about them.
644AT_BISON_CHECK([-Wyacc input.y], [], [],
645[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH
d521ee19 646input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash
746ee38c
AD
647]])
648
649# Dashes are fine for GNU Bison.
650AT_BISON_CHECK([-o input.c input.y])
651
652# Make sure we don't export silly token identifiers with periods or dashes.
653AT_COMPILE([input.o], [-c input.c])
654
655
82f3355e
JD
656# Periods are genuine letters, they can start identifiers.
657# Digits and dashes cannot.
746ee38c 658AT_DATA_GRAMMAR([input.y],
cdf3f113 659[[%token .GOOD
84a1cb5a
AD
660 -GOOD
661 1NV4L1D
82f3355e 662 -123
746ee38c 663%%
82f3355e 664start: .GOOD GOOD
746ee38c
AD
665]])
666AT_BISON_CHECK([-o input.c input.y], [1], [],
ae93e4e4
JM
667[[input.y:10.10: invalid character: '-'
668input.y:11.10-16: invalid identifier: '1NV4L1D'
669input.y:12.10: invalid character: '-'
746ee38c
AD
670]])
671
672AT_CLEANUP
673
674
ab2a9f57
AD
675## ----------------- ##
676## Numbered tokens. ##
677## ----------------- ##
678
679AT_SETUP([Numbered tokens])
680
83b60c97
JD
681AT_DATA_GRAMMAR([redecl.y],
682[[%token DECIMAL_1 11259375
683 HEXADECIMAL_1 0xabcdef
684 HEXADECIMAL_2 0xFEDCBA
685 DECIMAL_2 16702650
ab2a9f57 686%%
83b60c97 687start: DECIMAL_1 HEXADECIMAL_2;
8893145a
AD
688]])
689
83b60c97
JD
690AT_BISON_CHECK([redecl.y], [1], [],
691[[redecl.y:10.10-22: user token number 11259375 redeclaration for HEXADECIMAL_1
692redecl.y:9.8-16: previous declaration for DECIMAL_1
693redecl.y:12.10-18: user token number 16702650 redeclaration for DECIMAL_2
694redecl.y:11.10-22: previous declaration for HEXADECIMAL_2
8893145a
AD
695]])
696
83b60c97 697AT_DATA_GRAMMAR([too-large.y],
ab2a9f57
AD
698[[%token TOO_LARGE_DEC 999999999999999999999
699 TOO_LARGE_HEX 0xFFFFFFFFFFFFFFFFFFF
700%%
701start: TOO_LARGE_DEC TOO_LARGE_HEX
702%%
703]])
704
83b60c97 705AT_BISON_CHECK([too-large.y], [1], [],
ae93e4e4
JM
706[[too-large.y:9.22-42: integer out of range: '999999999999999999999'
707too-large.y:10.24-44: integer out of range: '0xFFFFFFFFFFFFFFFFFFF'
ab2a9f57
AD
708]])
709
710AT_CLEANUP
711
712
47aee066
JD
713## --------------------- ##
714## Unclosed constructs. ##
715## --------------------- ##
716
717AT_SETUP([Unclosed constructs])
718
dab244d5
AD
719# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed
720# constructs, so they were prepended to whatever it STRING_GROW'ed
721# next. It also threw them away rather than returning them to the
722# parser. The effect was confusing subsequent error messages.
47aee066
JD
723
724AT_DATA([input.y],
725[[%token A "a
726%token B "b"
727%token AB "ab" // Used to complain that "ab" was already used.
728%token C '1
729%token TWO "2"
730%token TICK_TWELVE "'12" // Used to complain that "'12" was already used.
731
732%%
733
734start: ;
735
736// Used to report a syntax error because it didn't see any kind of symbol
737// identifier.
738%type <f> 'a
739;
740%type <f> "a
741;
742// Used to report a syntax error because it didn't see braced code.
743%destructor { free ($$)
744]])
745
da730230 746AT_BISON_CHECK([-o input.c input.y], 1, [],
ae93e4e4 747[[input.y:1.10-2.0: missing '"' at end of line
4a9cd8f2
AD
748input.y:4.10-5.0: missing "'" at end of line
749input.y:14.11-15.0: missing "'" at end of line
ae93e4e4
JM
750input.y:16.11-17.0: missing '"' at end of line
751input.y:19.13-20.0: missing '}' at end of file
3be03b13 752input.y:20.1: syntax error, unexpected end of file
47aee066
JD
753]])
754
755AT_CLEANUP
4d7370cb
JD
756
757
758## ------------------------- ##
759## %start after first rule. ##
760## ------------------------- ##
761
762AT_SETUP([%start after first rule])
763
dab244d5
AD
764# Bison once complained that a %start after the first rule was a
765# redeclaration of the start symbol.
4d7370cb
JD
766
767AT_DATA([input.y],
768[[%%
769false_start: ;
770start: false_start ;
771%start start;
772]])
773
da730230 774AT_BISON_CHECK([-o input.c input.y])
4d7370cb
JD
775
776AT_CLEANUP
26b8a438
JD
777
778
779## --------------------- ##
780## %prec takes a token. ##
781## --------------------- ##
782
783AT_SETUP([%prec takes a token])
784
785# Bison once allowed %prec sym where sym was a nonterminal.
786
787AT_DATA([input.y],
788[[%%
789start: PREC %prec PREC ;
790PREC: ;
791]])
792
da730230 793AT_BISON_CHECK([input.y], [1], [],
26b8a438
JD
794[[input.y:3.1-4: rule given for PREC, which is a token
795]])
796
797AT_CLEANUP
8e0a5e9e
JD
798
799
8bb3a2e7
JD
800## ------------------------------- ##
801## %prec's token must be defined. ##
802## ------------------------------- ##
803
804AT_SETUP([[%prec's token must be defined]])
805
806# According to POSIX, a %prec token must be defined separately.
807
808AT_DATA([[input.y]],
809[[%%
810start: %prec PREC ;
811]])
812
02354690
JD
813AT_BISON_CHECK([[input.y]], [[0]], [],
814[[input.y:2.8-17: warning: token for %prec is not defined: PREC
8bb3a2e7
JD
815]])
816
817AT_CLEANUP
818
819
6afc30cc
JD
820## -------------------------------- ##
821## Reject unused %code qualifiers. ##
822## -------------------------------- ##
8e0a5e9e 823
6afc30cc 824AT_SETUP([Reject unused %code qualifiers])
8e0a5e9e
JD
825
826AT_DATA([input-c.y],
16dc6a9e
JD
827[[%code q {}
828%code bad {}
829%code bad {}
8405b70c 830%code format {}
8e0a5e9e
JD
831%%
832start: ;
833]])
c6abeab1 834AT_BISON_CHECK([[input-c.y]], [[1]], [],
4aa9d1ff
JM
835[[input-c.y:1.7: %code qualifier 'q' is not used
836input-c.y:2.7-9: %code qualifier 'bad' is not used
837input-c.y:3.7-9: %code qualifier 'bad' is not used
838input-c.y:4.7-12: %code qualifier 'format' is not used
08af01c2 839]])
8e0a5e9e
JD
840
841AT_DATA([input-c-glr.y],
16dc6a9e
JD
842[[%code q {}
843%code bad {}
844 %code bad {}
8e0a5e9e
JD
845%%
846start: ;
847]])
c6abeab1 848AT_BISON_CHECK([[input-c-glr.y]], [[1]], [],
4aa9d1ff
JM
849[[input-c-glr.y:1.7: %code qualifier 'q' is not used
850input-c-glr.y:2.7-9: %code qualifier 'bad' is not used
851input-c-glr.y:3.8-10: %code qualifier 'bad' is not used
08af01c2 852]])
8e0a5e9e
JD
853
854AT_DATA([input-c++.y],
16dc6a9e
JD
855[[%code q {}
856%code bad {}
857 %code q {}
8e0a5e9e
JD
858%%
859start: ;
860]])
c6abeab1 861AT_BISON_CHECK([[input-c++.y]], [[1]], [],
4aa9d1ff
JM
862[[input-c++.y:1.7: %code qualifier 'q' is not used
863input-c++.y:2.7-9: %code qualifier 'bad' is not used
864input-c++.y:3.8: %code qualifier 'q' is not used
08af01c2 865]])
8e0a5e9e
JD
866
867AT_DATA([input-c++-glr.y],
16dc6a9e
JD
868[[%code bad {}
869%code q {}
870%code q {}
8e0a5e9e
JD
871%%
872start: ;
873]])
c6abeab1 874AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [],
4aa9d1ff
JM
875[[input-c++-glr.y:1.7-9: %code qualifier 'bad' is not used
876input-c++-glr.y:2.7: %code qualifier 'q' is not used
877input-c++-glr.y:3.7: %code qualifier 'q' is not used
3fc65ead
JD
878]])
879
880AT_DATA([special-char-@@.y],
16dc6a9e
JD
881[[%code bad {}
882%code q {}
883%code q {}
3fc65ead
JD
884%%
885start: ;
886]])
c6abeab1 887AT_BISON_CHECK([[special-char-@@.y]], [[1]], [],
4aa9d1ff
JM
888[[special-char-@@.y:1.7-9: %code qualifier 'bad' is not used
889special-char-@@.y:2.7: %code qualifier 'q' is not used
890special-char-@@.y:3.7: %code qualifier 'q' is not used
3fc65ead
JD
891]])
892
893AT_DATA([special-char-@:>@.y],
16dc6a9e
JD
894[[%code bad {}
895%code q {}
896%code q {}
3fc65ead
JD
897%%
898start: ;
899]])
c6abeab1 900AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [],
4aa9d1ff
JM
901[[special-char-@:>@.y:1.7-9: %code qualifier 'bad' is not used
902special-char-@:>@.y:2.7: %code qualifier 'q' is not used
903special-char-@:>@.y:3.7: %code qualifier 'q' is not used
08af01c2 904]])
8e0a5e9e
JD
905
906AT_CLEANUP
7eb8a0bc
JD
907
908
909## ---------------- ##
910## %define errors. ##
911## ---------------- ##
912
913AT_SETUP([%define errors])
914
0b6d43c5 915AT_DATA([input-redefined.y],
16dc6a9e
JD
916[[%define var "value1"
917%define var "value1"
918 %define var "value2"
919%define special1 "@:>@"
920%define special2 "@<:@"
7eb8a0bc
JD
921%%
922start: ;
923]])
924
0b6d43c5 925AT_BISON_CHECK([[input-redefined.y]], [[1]], [],
4aa9d1ff 926[[input-redefined.y:2.9-11: %define variable 'var' redefined
0b6d43c5 927input-redefined.y:1.9-11: previous definition
4aa9d1ff 928input-redefined.y:3.10-12: %define variable 'var' redefined
0b6d43c5
JD
929input-redefined.y:2.9-11: previous definition
930]])
931
932AT_DATA([input-unused.y],
933[[%define var "value"
934%%
935start: ;
936]])
937
c6abeab1 938AT_BISON_CHECK([[input-unused.y]], [[1]], [],
4aa9d1ff 939[[input-unused.y:1.9-11: %define variable 'var' is not used
7eb8a0bc
JD
940]])
941
942AT_CLEANUP
c1d19e10 943
58697c6d 944
de5ab940
JD
945## ----------------------------------- ##
946## %define, --define, --force-define. ##
947## ----------------------------------- ##
58697c6d 948
c6abeab1 949AT_SETUP([[%define, --define, --force-define]])
de5ab940 950
c6abeab1 951AT_DATA([[skel.c]],
de5ab940
JD
952[[m4@&t@_divert_push(0)@
953@output(b4_parser_file_name@)@
954[var-dd: ]b4_percent_define_get([[var-dd]])[
955var-ff: ]b4_percent_define_get([[var-ff]])[
de5ab940
JD
956var-dfg: ]b4_percent_define_get([[var-dfg]])[
957var-fd: ]b4_percent_define_get([[var-fd]])
958m4@&t@_divert_pop(0)
959]])
c6abeab1 960AT_DATA([[input.y]],
0b6d43c5 961[[%define var-dfg "gram"
58697c6d
AD
962%%
963start: ;
964]])
de5ab940
JD
965AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \
966 -Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \
de5ab940
JD
967 -Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \
968 -Fvar-fd=cmd-f -Dvar-fd=cmd-d \
c6abeab1 969 --skeleton ./skel.c input.y]])
de5ab940
JD
970AT_CHECK([[cat input.tab.c]], [[0]],
971[[var-dd: cmd-d2
972var-ff: cmd-f2
de5ab940
JD
973var-dfg: cmd-f
974var-fd: cmd-d
58697c6d
AD
975]])
976
c6abeab1 977AT_DATA([[input-dg.y]],
0b6d43c5
JD
978[[%define var "gram"
979%%
980start: ;
981]])
0b6d43c5 982AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
4aa9d1ff 983[[input-dg.y:1.9-11: %define variable 'var' redefined
0b6d43c5
JD
984<command line>:2: previous definition
985]])
986
c6abeab1
JD
987AT_DATA([[input-unused.y]],
988[[%%
989start: ;
990]])
991AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [],
4aa9d1ff
JM
992[[<command line>:2: %define variable 'unused-d' is not used
993<command line>:3: %define variable 'unused-f' is not used
c6abeab1
JD
994]])
995
58697c6d
AD
996AT_CLEANUP
997
c1d19e10 998## --------------------------- ##
d782395d 999## %define Boolean variables. ##
c1d19e10
PB
1000## --------------------------- ##
1001
d782395d 1002AT_SETUP([[%define Boolean variables]])
c1d19e10
PB
1003
1004AT_DATA([Input.y],
1005[[%language "Java"
1006%define public "maybe"
1007%define parser_class_name "Input"
1008%%
1009start: ;
1010]])
1011
da730230 1012AT_BISON_CHECK([[Input.y]], [1], [],
4aa9d1ff 1013[[Input.y:2.9-14: invalid value for %define Boolean variable 'public'
c1d19e10
PB
1014]])
1015
1016AT_CLEANUP
d782395d 1017
f4909773
JD
1018## ------------------------ ##
1019## %define enum variables. ##
1020## ------------------------ ##
7254f6a8 1021
f4909773 1022AT_SETUP([[%define enum variables]])
7254f6a8 1023
f4909773 1024# Front-end.
7254f6a8 1025AT_DATA([[input.y]],
cf499cff 1026[[%define lr.default-reductions bogus
7254f6a8
JD
1027%%
1028start: ;
1029]])
7254f6a8 1030AT_BISON_CHECK([[input.y]], [[1]], [[]],
4aa9d1ff
JM
1031[[input.y:1.9-29: invalid value for %define variable 'lr.default-reductions': 'bogus'
1032input.y:1.9-29: accepted value: 'most'
1033input.y:1.9-29: accepted value: 'consistent'
1034input.y:1.9-29: accepted value: 'accepting'
7254f6a8
JD
1035]])
1036
f4909773 1037# Back-end.
67212941 1038AT_DATA([[input.y]],
cf499cff 1039[[%define api.push-pull neither
67212941
JD
1040%%
1041start: ;
1042]])
1043AT_BISON_CHECK([[input.y]], [1], [],
4aa9d1ff
JM
1044[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither'
1045input.y:1.9-21: accepted value: 'pull'
1046input.y:1.9-21: accepted value: 'push'
1047input.y:1.9-21: accepted value: 'both'
67212941
JD
1048]])
1049
1050AT_CLEANUP
1051
1052## -------------------------------- ##
1053## %define backward compatibility. ##
1054## -------------------------------- ##
1055
1056AT_SETUP([[%define backward compatibility]])
1057
1058# The error messages tell us whether underscores in these variables are
1059# being converted to dashes.
1060
d782395d 1061AT_DATA([[input.y]],
c373bf8b 1062[[%define api.push_pull "neither"
d782395d
JD
1063%%
1064start: ;
1065]])
da730230 1066AT_BISON_CHECK([[input.y]], [1], [],
4aa9d1ff
JM
1067[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither'
1068input.y:1.9-21: accepted value: 'pull'
1069input.y:1.9-21: accepted value: 'push'
1070input.y:1.9-21: accepted value: 'both'
d782395d
JD
1071]])
1072
67212941 1073AT_DATA([[input.y]],
cf499cff 1074[[%define lr.keep_unreachable_states maybe
67212941
JD
1075%%
1076start: ;
1077]])
1078AT_BISON_CHECK([[input.y]], [1], [],
4aa9d1ff 1079[[input.y:1.9-34: invalid value for %define Boolean variable 'lr.keep-unreachable-states'
67212941
JD
1080]])
1081
171ad99d
AD
1082AT_DATA([[input.y]],
1083[[%define namespace "foo"
1084%define api.namespace "foo"
1085%%
1086start: ;
1087]])
1088AT_BISON_CHECK([[input.y]], [1], [],
4aa9d1ff 1089[[input.y:2.9-21: %define variable 'api.namespace' redefined
171ad99d
AD
1090input.y:1.9-17: previous definition
1091]])
1092
67212941
JD
1093AT_DATA([[input.y]],
1094[[%define foo_bar "baz"
1095%%
1096start: ;
1097]])
c6abeab1 1098AT_BISON_CHECK([[input.y]], [[1]], [],
4aa9d1ff 1099[[input.y:1.9-15: %define variable 'foo_bar' is not used
67212941
JD
1100]])
1101
d782395d 1102AT_CLEANUP
793fbca5 1103
d9df47b6
JD
1104## ------------------------- ##
1105## Unused %define api.pure. ##
1106## ------------------------- ##
1107
1108AT_SETUP([[Unused %define api.pure]])
1109
1110# AT_CHECK_API_PURE(DECLS, VALUE)
1111# -------------------------------
1112# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS
1113# are specified.
1114m4_define([AT_CHECK_API_PURE],
1115[
1116AT_DATA([[input.y]],
1117[[%define api.pure ]$2[
1118]$1[
1119%%
1120start: ;
1121]])
1122
c6abeab1 1123AT_BISON_CHECK([[input.y]], [[1]], [],
4aa9d1ff 1124[[input.y:1.9-16: %define variable 'api.pure' is not used
d9df47b6
JD
1125]])
1126])
1127
1128AT_CHECK_API_PURE([[%language "c++" %defines]], [[]])
cf499cff 1129AT_CHECK_API_PURE([[%language "c++" %defines]], [[false]])
d9df47b6 1130AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[""]])
cf499cff
JD
1131AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[false]])
1132AT_CHECK_API_PURE([[%language "java"]], [[true]])
1133AT_CHECK_API_PURE([[%language "java"]], [[false]])
d9df47b6
JD
1134
1135AT_CLEANUP
1136
793fbca5
JD
1137## -------------------------------- ##
1138## C++ namespace reference errors. ##
1139## -------------------------------- ##
1140
1141AT_SETUP([[C++ namespace reference errors]])
1142
1143# AT_CHECK_NAMESPACE_ERROR(NAMESPACE-DECL, ERROR, [ERROR], ...)
1144# -------------------------------------------------------------
1145# Make sure Bison reports all ERROR's for %define namespace "NAMESPACE-DECL".
1146m4_define([AT_CHECK_NAMESPACE_ERROR],
1147[
1148AT_DATA([[input.y]],
1149[[%language "C++"
1150%defines
67501061 1151%define api.namespace "]$1["
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1152%%
1153start: ;
1154]])
1155
da730230 1156AT_BISON_CHECK([[input.y]], [1], [],
793fbca5 1157[m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
67501061 1158[[input.y:3.9-21: ]b4_arg[
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1159]])])
1160])
1161
1162AT_CHECK_NAMESPACE_ERROR([[]],
1163 [[namespace reference is empty]])
1164AT_CHECK_NAMESPACE_ERROR([[ ]],
1165 [[namespace reference is empty]])
1166AT_CHECK_NAMESPACE_ERROR([[foo::::bar]],
1167 [[namespace reference has consecutive "::"]])
1168AT_CHECK_NAMESPACE_ERROR([[foo:: ::bar]],
1169 [[namespace reference has consecutive "::"]])
1170AT_CHECK_NAMESPACE_ERROR([[::::bar]],
1171 [[namespace reference has consecutive "::"]])
1172AT_CHECK_NAMESPACE_ERROR([[:: ::bar]],
1173 [[namespace reference has consecutive "::"]])
1174AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ::]],
1175 [[namespace reference has consecutive "::"]],
1176 [[namespace reference has a trailing "::"]])
1177AT_CHECK_NAMESPACE_ERROR([[foo::bar::]],
1178 [[namespace reference has a trailing "::"]])
1179AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ]],
1180 [[namespace reference has a trailing "::"]])
1181AT_CHECK_NAMESPACE_ERROR([[::]],
1182 [[namespace reference has a trailing "::"]])
1183
1184AT_CLEANUP
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1185
1186## ------------------------ ##
1187## Bad character literals. ##
1188## ------------------------ ##
1189
1190# Bison used to accept character literals that were empty or contained
1191# too many characters.
1192
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1193# FIXME: AT_DATA or some variant of AT_DATA may eventually permit
1194# the final newline to be omitted. See the threads starting at
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1195# <http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00019.html>.
1196
1197AT_SETUP([[Bad character literals]])
1198
1199AT_DATA([empty.y],
1200[[%%
1201start: '';
1202start: '
1203]])
b70c7fb4 1204AT_CHECK([[perl -e "print 'start: \'';" >> empty.y || exit 77]])
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1205
1206AT_BISON_CHECK([empty.y], [1], [],
1207[[empty.y:2.8-9: warning: empty character literal
1208empty.y:3.8-4.0: warning: empty character literal
4a9cd8f2 1209empty.y:3.8-4.0: missing "'" at end of line
3208e3f4 1210empty.y:4.8: warning: empty character literal
4a9cd8f2 1211empty.y:4.8: missing "'" at end of file
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JD
1212]])
1213
1214AT_DATA([two.y],
1215[[%%
1216start: 'ab';
1217start: 'ab
1218]])
b70c7fb4 1219AT_CHECK([[perl -e "print 'start: \'ab';" >> two.y || exit 77]])
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JD
1220
1221AT_BISON_CHECK([two.y], [1], [],
1222[[two.y:2.8-11: warning: extra characters in character literal
1223two.y:3.8-4.0: warning: extra characters in character literal
4a9cd8f2 1224two.y:3.8-4.0: missing "'" at end of line
3208e3f4 1225two.y:4.8-10: warning: extra characters in character literal
4a9cd8f2 1226two.y:4.8-10: missing "'" at end of file
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JD
1227]])
1228
1229AT_DATA([three.y],
1230[[%%
1231start: 'abc';
1232start: 'abc
1233]])
b70c7fb4 1234AT_CHECK([[perl -e "print 'start: \'abc';" >> three.y || exit 77]])
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1235
1236AT_BISON_CHECK([three.y], [1], [],
1237[[three.y:2.8-12: warning: extra characters in character literal
1238three.y:3.8-4.0: warning: extra characters in character literal
4a9cd8f2 1239three.y:3.8-4.0: missing "'" at end of line
3208e3f4 1240three.y:4.8-11: warning: extra characters in character literal
4a9cd8f2 1241three.y:4.8-11: missing "'" at end of file
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1242]])
1243
1244AT_CLEANUP
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1245
1246## ------------------------- ##
1247## Bad escapes in literals. ##
1248## ------------------------- ##
1249
1250AT_SETUP([[Bad escapes in literals]])
1251
1252AT_DATA([input.y],
1253[[%%
1254start: '\777' '\0' '\xfff' '\x0'
1255 '\uffff' '\u0000' '\Uffffffff' '\U00000000'
1256 '\ ' '\A';
1257]])
3bed3a75 1258
b70c7fb4 1259# It is not easy to create special characters, we cannot even trust tr.
3bed3a75
AD
1260# Beside we cannot even expect "echo '\0'" to output two characters
1261# (well three with \n): at least Bash 3.2 converts the two-character
1262# sequence "\0" into a single NUL character.
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1263AT_CHECK([[perl -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \
1264 || exit 77]])
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1265
1266AT_BISON_CHECK([input.y], [1], [],
1267[[input.y:2.9-12: invalid number after \-escape: 777
1268input.y:2.8-13: warning: empty character literal
1269input.y:2.16-17: invalid number after \-escape: 0
1270input.y:2.15-18: warning: empty character literal
1271input.y:2.21-25: invalid number after \-escape: xfff
1272input.y:2.20-26: warning: empty character literal
1273input.y:2.29-31: invalid number after \-escape: x0
1274input.y:2.28-32: warning: empty character literal
1275input.y:3.9-14: invalid number after \-escape: uffff
1276input.y:3.8-15: warning: empty character literal
1277input.y:3.18-23: invalid number after \-escape: u0000
1278input.y:3.17-24: warning: empty character literal
1279input.y:3.27-36: invalid number after \-escape: Uffffffff
1280input.y:3.26-37: warning: empty character literal
1281input.y:3.40-49: invalid number after \-escape: U00000000
1282input.y:3.39-50: warning: empty character literal
ae93e4e4 1283input.y:4.9-10: invalid character after \-escape: ' '
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1284input.y:4.8-11: warning: empty character literal
1285input.y:4.14-15: invalid character after \-escape: A
1286input.y:4.13-16: warning: empty character literal
1287input.y:5.9-16: invalid character after \-escape: \t
1288input.y:5.17: invalid character after \-escape: \f
1289input.y:5.18: invalid character after \-escape: \0
1290input.y:5.19: invalid character after \-escape: \001
1291]])
1292
1293AT_CLEANUP
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1294
1295## ------------------------- ##
1296## LAC: Errors for %define. ##
1297## ------------------------- ##
1298
1299AT_SETUP([[LAC: Errors for %define]])
1300
1301AT_DATA([[input.y]],
1302[[%%
1303start: ;
1304]])
1305
1306# parse.lac.* options are useless if LAC isn't actually activated.
1307AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]],
1308 [[1]], [],
4aa9d1ff 1309[[<command line>:2: %define variable 'parse.lac.es-capacity-initial' is not used
bf35c71c 1310]])
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JD
1311AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
1312 [[1]], [],
4aa9d1ff 1313[[<command line>:2: %define variable 'parse.lac.memory-trace' is not used
107844a3 1314]])
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1315
1316AT_CLEANUP
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1317
1318## --------------------------------------------- ##
1319## -Werror is not affected by -Wnone and -Wall. ##
1320## --------------------------------------------- ##
1321
1322AT_SETUP([[-Werror is not affected by -Wnone and -Wall]])
1323
1324AT_DATA([[input.y]],
1325[[%%
1326foo-bar: ;
1327]])
1328
1329# -Werror is not enabled by -Wall or equivalent.
1330AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]],
1331[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
1332]])
1333AT_BISON_CHECK([[-W input.y]], [[0]], [[]],
1334[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
1335]])
1336AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]],
1337[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
1338]])
1339
1340# -Werror is not disabled by -Wnone or equivalent.
1341AT_BISON_CHECK([[-Werror,none,yacc input.y]], [[1]], [[]], [[stderr]])
1342AT_CHECK([[sed 's/^.*bison:/bison:/' stderr]], [[0]],
1343[[bison: warnings being treated as errors
1344input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
1345]])
1346[mv stderr experr]
1347AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]])
1348
1349AT_CLEANUP