]> git.saurik.com Git - bison.git/blame - tests/headers.at
scanner: reintroduce unput for missing end tokens
[bison.git] / tests / headers.at
CommitLineData
b9cecb91 1# Bison Parser Headers. -*- Autotest -*-
6e30ede8 2
c932d613 3# Copyright (C) 2001-2002, 2006-2007, 2009-2012 Free Software
1462fcee 4# Foundation, Inc.
b9cecb91 5
f16b0819 6# This program is free software: you can redistribute it and/or modify
b9cecb91 7# it under the terms of the GNU General Public License as published by
f16b0819
PE
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
b9cecb91
AD
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
f16b0819 15#
b9cecb91 16# You should have received a copy of the GNU General Public License
f16b0819 17# along with this program. If not, see <http://www.gnu.org/licenses/>.
b9cecb91
AD
18
19AT_BANNER([[Parser Headers.]])
20
21
b9cecb91
AD
22## --------------------- ##
23## Invalid CPP headers. ##
24## --------------------- ##
25
9d67a52a
AD
26# AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
27# --------------------------------------------
28# FIXME: Much of this can be covered by calc.at.
b9cecb91 29m4_define([AT_TEST_CPP_GUARD_H],
9d67a52a 30[AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
55f48c48 31AT_BISON_OPTION_PUSHDEFS([$2])
b9cecb91
AD
32# Possibly create inner directories.
33dirname=`AS_DIRNAME([$1])`
34AS_MKDIR_P([$dirname])
35
9501dc6e 36AT_DATA_GRAMMAR([$1.y],
9d67a52a
AD
37[$2
38%{
fe6c2fde 39#include <$1.h>
55f48c48
AD
40]AT_YYERROR_DECLARE_EXTERN[
41]AT_YYLEX_DECLARE_EXTERN[
1d39f854
PE
42%}
43%%
bfcf1f3a 44dummy:;
1d39f854 45%%
fe6c2fde 46#include <$1.h>
b9cecb91
AD
47])
48
9d67a52a 49AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
b9cecb91 50
9d67a52a 51AT_COMPILE([$1.o], [-I. -c $1.c])
b9cecb91 52
55f48c48 53AT_BISON_OPTION_POPDEFS
b9cecb91
AD
54AT_CLEANUP
55])
56
57AT_TEST_CPP_GUARD_H([input/input])
58AT_TEST_CPP_GUARD_H([9foo])
9d67a52a
AD
59AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
60AT_TEST_CPP_GUARD_H([9foo], [%glr-parser])
b9cecb91
AD
61
62
63
64## ---------------- ##
65## export YYLTYPE. ##
66## ---------------- ##
67
68
69AT_SETUP([export YYLTYPE])
70
9501dc6e 71AT_DATA_GRAMMAR([input.y],
b9cecb91 72[%locations
b5b61c61 73
02975b9a 74%name-prefix "my_"
b9cecb91
AD
75%{
76#include <stdio.h>
77#include <stdlib.h>
78
7172e23e 79static int
b5b61c61 80my_lex (void)
b9cecb91
AD
81{
82 return EOF;
83}
84
85static void
b5b61c61 86my_error (const char *msg)
b9cecb91
AD
87{
88 fprintf (stderr, "%s\n", msg);
89}
90
91%}
92%%
93exp:;
94])
95
da730230 96AT_BISON_CHECK([--defines -o input.c input.y])
b9cecb91 97
b5b61c61 98# YYLTYPE should be defined, and MY_LLOC declared.
b9cecb91
AD
99AT_DATA([caller.c],
100[[#include "input.h"
b5b61c61 101YYLTYPE *my_llocp = &my_lloc;
b9cecb91 102
b5b61c61 103int my_parse (void);
b9cecb91
AD
104
105int
106main (void)
107{
b5b61c61 108 return my_parse ();
b9cecb91
AD
109}
110]])
111
112# Link and execute, just to make sure everything is fine (and in
b5b61c61 113# particular, that MY_LLOC is indeed defined somewhere).
91ce0b3a
AD
114AT_COMPILE([caller.o])
115AT_COMPILE([input.o])
2b42986e 116AT_COMPILE([caller], [caller.o input.o])
1154cced 117AT_PARSER_CHECK([./caller])
b9cecb91
AD
118
119AT_CLEANUP
4b3847c3
AD
120
121## ----------------- ##
122## Several parsers. ##
123## ----------------- ##
124
125AT_SETUP([Several parsers])
126
ad60e80f
AD
127# AT_TEST([PREFIX], [DIRECTIVES])
128# -------------------------------
5a05f42e 129# Generate and compile to *.o. Make sure there is no (allowed) YY*
04a4684a
AD
130# nor yy* identifiers in the header. Check that headers are
131# self-contained, and can be compiled by a C++ compiler.
ad60e80f 132m4_pushdef([AT_TEST],
4b3847c3 133[AT_BISON_OPTION_PUSHDEFS([%define api.prefix "$1_" $2])
d74d8cb6 134AT_DATA_GRAMMAR([$1.y],
4b3847c3
AD
135[[%define api.prefix "$1_"
136$2
ad60e80f 137%error-verbose
4b3847c3
AD
138%union
139{
140 int integer;
141}
142%{
143#include <stdio.h>
144 ]AT_YYERROR_DECLARE[
145 ]AT_YYLEX_DECLARE[
146%}
147%%
148exp:
149 'x' '1' { printf ("x1\n"); }
150| 'x' '2' { printf ("x2\n"); }
151| 'x' '3' { printf ("x3\n"); }
152| 'x' '4' { printf ("x4\n"); }
153| 'x' '5' { printf ("x5\n"); }
154| 'x' '6' { printf ("x6\n"); }
ad60e80f
AD
155| 'x' '7' { printf ("x7\n"); }
156| 'x' '8' { printf ("x8\n"); }
4b3847c3
AD
157;
158
159%%
160]AT_YYERROR_DEFINE[
161]AT_YYLEX_DEFINE(["$1"])[
162]])
163
d74d8cb6 164AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
5a05f42e 165
5a05f42e 166AT_LANG_COMPILE([$1.o])
ad60e80f
AD
167AT_CHECK([[echo "$1" >>expout]])
168
4b3847c3 169AT_BISON_OPTION_POPDEFS
ad60e80f 170])# AT_TEST
4b3847c3
AD
171
172AT_DATA([main.cc],
1168b322 173[AT_DATA_SOURCE_PROLOGUE
0e98a81e
AD
174[// If we are compiling with CC=$CXX, then do not load the C headers
175// inside extern "C", since they were _not_ compiled this way.
176#if ! CC_IS_CXX
177extern "C"
4b3847c3 178{
0e98a81e 179#endif
4b3847c3
AD
180 #include "x1.h"
181 #include "x2.h"
182 #include "x3.h"
183 #include "x4.h"
ad60e80f
AD
184 #include "x6.h"
185 #include "x7.h"
186 #include "x8.h"
0e98a81e 187#if ! CC_IS_CXX
4b3847c3 188}
0e98a81e 189#endif
4b3847c3
AD
190#include "x5.hh"
191//#include "x6.hh"
b142cfd1 192
ad60e80f
AD
193#define RUN(S) \
194 do { \
195 int res = S; \
196 if (res) \
197 std::cerr << #S": " << res << std::endl; \
198 } while (false)
1168b322 199
4b3847c3
AD
200int
201main (void)
202{
ad60e80f
AD
203 RUN(x1_parse());
204 RUN(x2_parse());
205 RUN(x3_parse());
206 RUN(x4_parse());
4b3847c3 207 x5_::parser p5;
ad60e80f
AD
208 RUN(p5.parse());
209 RUN(x6_parse());
210 RUN(x7_parse());
211 RUN(x8_parse());
53ab797d 212// x6_::parser p6;
ad60e80f 213// RUN(p6.parse());
b142cfd1 214 return 0;
4b3847c3 215}
ad60e80f
AD
216]])# main.cc
217
218AT_TEST([x1], [])
219AT_TEST([x2], [%locations %debug])
220AT_TEST([x3], [%glr-parser])
221AT_TEST([x4], [%locations %debug %glr-parser])
222AT_TEST([x5], [%locations %debug %language "c++"])
223AT_TEST([x6], [%define api.pure])
224AT_TEST([x7], [%define api.push-pull both])
225AT_TEST([x8], [%define api.pure %define api.push-pull both])
226#AT_TEST([x5], [%locations %language "c++" %glr-parser])
227
3a526f5c
AD
228# Check there is no 'yy' left.
229# C++ output relies on namespaces and still uses yy a lot.
230#
231# Check there is no 'YY' left.
be27db79
TR
232# Ignore comments, YYChar (template parameter), YYPUSH_MORE(_DEFINED)?
233# (constant definition), YY_\w+_INCLUDED (header guards).
3a526f5c
AD
234# YYDEBUG (not renamed) can be read, but not changed.
235AT_CHECK([[$PERL -n -0777 -e '
236 s{/\*.*?\*/}{}gs;
237 s{//.*}{}g;
7ae57e2a 238 s{\b(YYChar
3a526f5c
AD
239 |YYPUSH_MORE(_DEFINED)?
240 |YY_\w+_INCLUDED
241 |YY_NULL
242 |(defined|if)\ YYDEBUG
243 )\b}{}gx;
244 while (/^(.*YY.*)$/gm)
245 {
7ae57e2a 246 print "$ARGV: invalid exported YY: $1\n";
3a526f5c
AD
247 }
248 if ($ARGV =~ /\.h$/)
249 {
250 while (/^(.*yy.*)$/gm)
251 {
7ae57e2a 252 print "$ARGV: invalid exported yy: $1\n";
3a526f5c
AD
253 }
254 }
255' -- *.hh *.h]])
256
04a4684a
AD
257# Check that the headers are self-contained, and protected against
258# multiple inclusions. While at it, check they are sane for C++.
259for h in *.h *.hh
260do
261 # No shell expansion with AT_DATA.
262 cat >$h.cc <<EOF
ec78bdab 263AT_DATA_SOURCE_PROLOGUE
04a4684a
AD
264#include "$h"
265#include "$h"
266EOF
267 AT_COMPILE_CXX([$h.o])
268done
269
8aaa0c2f
AD
270# Do this late, so that other checks have been performed.
271AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
272
273AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
2bb8f621 274AT_PARSER_CHECK([./parser], [0], [[expout]])
8aaa0c2f 275
ad60e80f 276m4_popdef([AT_TEST])
4b3847c3
AD
277
278AT_CLEANUP