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1 # Bison Parser Headers. -*- Autotest -*-
2
3 # Copyright (C) 2001-2002, 2006-2007, 2009-2015 Free Software
4 # Foundation, Inc.
5
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
10 #
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.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18
19 AT_BANNER([[Parser Headers.]])
20
21
22 ## --------------------- ##
23 ## Invalid CPP headers. ##
24 ## --------------------- ##
25
26 # AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
27 # --------------------------------------------
28 # FIXME: Much of this can be covered by calc.at.
29 m4_define([AT_TEST_CPP_GUARD_H],
30 [AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
31 AT_BISON_OPTION_PUSHDEFS([$2])
32 # Possibly create inner directories.
33 dirname=`AS_DIRNAME([$1])`
34 AS_MKDIR_P([$dirname])
35
36 AT_DATA_GRAMMAR([$1.y],
37 [$2
38 %{
39 #include <$1.h>
40 ]AT_YYERROR_DECLARE_EXTERN[
41 ]AT_YYLEX_DECLARE_EXTERN[
42 %}
43 %%
44 dummy: /* empty */;
45 %%
46 #include <$1.h>
47 ])
48
49 AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
50
51 AT_COMPILE([$1.o], [-I. -c $1.c])
52
53 AT_BISON_OPTION_POPDEFS
54 AT_CLEANUP
55 ])
56
57 AT_TEST_CPP_GUARD_H([input/input])
58 AT_TEST_CPP_GUARD_H([9foo])
59 AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
60 AT_TEST_CPP_GUARD_H([9foo], [%glr-parser])
61
62
63
64 ## ---------------- ##
65 ## export YYLTYPE. ##
66 ## ---------------- ##
67
68
69 AT_SETUP([export YYLTYPE])
70
71 AT_BISON_OPTION_PUSHDEFS([%name-prefix "my_"])
72 AT_DATA_GRAMMAR([input.y],
73 [[%locations
74
75 %name-prefix "my_"
76 %{
77 #include <stdio.h>
78 #include <stdlib.h>
79
80 ]AT_YYERROR_DEFINE[
81 ]AT_YYLEX_DEFINE[
82 %}
83 %%
84 exp: /* empty */;
85 ]])
86
87 AT_BISON_CHECK([--defines -o input.c input.y])
88
89 # YYLTYPE should be defined, and MY_LLOC declared.
90 AT_DATA([caller.c],
91 [[#include "input.h"
92 YYLTYPE *my_llocp = &my_lloc;
93
94 int my_parse (void);
95
96 ]AT_MAIN_DEFINE[
97 ]])
98
99 # Link and execute, just to make sure everything is fine (and in
100 # particular, that MY_LLOC is indeed defined somewhere).
101 AT_COMPILE([caller.o])
102 AT_COMPILE([input.o])
103 AT_COMPILE([caller], [caller.o input.o])
104 AT_PARSER_CHECK([./caller])
105 AT_BISON_OPTION_POPDEFS
106 AT_CLEANUP
107
108 ## ----------------- ##
109 ## Several parsers. ##
110 ## ----------------- ##
111
112 AT_SETUP([Several parsers])
113
114 # AT_TEST([PREFIX], [DIRECTIVES])
115 # -------------------------------
116 # Generate and compile to *.o. Make sure there is no (allowed) YY*
117 # nor yy* identifiers in the header. Check that headers are
118 # self-contained, and can be compiled by a C++ compiler.
119 m4_pushdef([AT_TEST],
120 [AT_BISON_OPTION_PUSHDEFS([%define api.prefix {$1_} $2])
121 AT_DATA_GRAMMAR([$1.y],
122 [[%define api.prefix {$1_}
123 $2
124 %error-verbose
125 %union
126 {
127 int integer;
128 }
129 %{
130 #include <stdio.h>
131 ]AT_YYERROR_DECLARE[
132 ]AT_YYLEX_DECLARE[
133 %}
134 %%
135 exp:
136 'x' '1' { printf ("x1\n"); }
137 | 'x' '2' { printf ("x2\n"); }
138 | 'x' '3' { printf ("x3\n"); }
139 | 'x' '4' { printf ("x4\n"); }
140 | 'x' '5' { printf ("x5\n"); }
141 | 'x' '6' { printf ("x6\n"); }
142 | 'x' '7' { printf ("x7\n"); }
143 | 'x' '8' { printf ("x8\n"); }
144 ;
145
146 %%
147 ]AT_YYERROR_DEFINE[
148 ]AT_YYLEX_DEFINE(["$1"])[
149 ]])
150
151 AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
152
153 AT_LANG_COMPILE([$1.o])
154 AT_CHECK([[echo "$1" >>expout]])
155
156 AT_BISON_OPTION_POPDEFS
157 ])# AT_TEST
158
159 AT_DATA([main.cc],
160 [AT_DATA_SOURCE_PROLOGUE
161 [// If we are compiling with CC=$CXX, then do not load the C headers
162 // inside extern "C", since they were _not_ compiled this way.
163 #if ! CC_IS_CXX
164 extern "C"
165 {
166 #endif
167 #include "x1.h"
168 #include "x2.h"
169 #include "x3.h"
170 #include "x4.h"
171 #include "x6.h"
172 #include "x7.h"
173 #include "x8.h"
174 #if ! CC_IS_CXX
175 }
176 #endif
177 #include "x5.hh"
178 //#include "x6.hh"
179
180 #define RUN(S) \
181 do { \
182 int res = S; \
183 if (res) \
184 std::cerr << #S": " << res << std::endl; \
185 } while (false)
186
187 int
188 main (void)
189 {
190 RUN(x1_parse());
191 RUN(x2_parse());
192 RUN(x3_parse());
193 RUN(x4_parse());
194 x5_::parser p5;
195 RUN(p5.parse());
196 RUN(x6_parse());
197 RUN(x7_parse());
198 RUN(x8_parse());
199 // x6_::parser p6;
200 // RUN(p6.parse());
201 return 0;
202 }
203 ]])# main.cc
204
205 AT_TEST([x1], [])
206 AT_TEST([x2], [%locations %debug])
207 AT_TEST([x3], [%glr-parser])
208 AT_TEST([x4], [%locations %debug %glr-parser])
209 AT_TEST([x5], [%locations %debug %language "c++"])
210 AT_TEST([x6], [%define api.pure])
211 AT_TEST([x7], [%define api.push-pull both])
212 AT_TEST([x8], [%define api.pure %define api.push-pull both])
213 #AT_TEST([x5], [%locations %language "c++" %glr-parser])
214
215 # Check there is no 'yy' left.
216 # C++ output relies on namespaces and still uses yy a lot.
217 #
218 # Check there is no 'YY' left.
219 # Ignore comments, YYChar (template parameter), YYPUSH_MORE(_DEFINED)?
220 # (constant definition), YY_\w+_INCLUDED (header guards).
221 # YYDEBUG (not renamed) can be read, but not changed.
222 AT_CHECK([[$PERL -n -0777 -e '
223 s{/\*.*?\*/}{}gs;
224 s{//.*}{}g;
225 s{\b(YYChar
226 |YYPUSH_MORE(?:_DEFINED)?
227 |YYUSE
228 |YY_ATTRIBUTE(?:_PURE|_UNUSED)?
229 |YY_IGNORE_MAYBE_UNINITIALIZED_(?:BEGIN|END)
230 |YY_INITIAL_VALUE
231 |YY_\w+_INCLUDED
232 |YY_NULLPTR
233 |(defined|if)\ YYDEBUG
234 )\b}{}gx;
235 while (/^(.*YY.*)$/gm)
236 {
237 print "$ARGV: invalid exported YY: $1\n";
238 }
239 if ($ARGV =~ /\.h$/)
240 {
241 while (/^(.*yy.*)$/gm)
242 {
243 print "$ARGV: invalid exported yy: $1\n";
244 }
245 }
246 ' -- *.hh *.h]])
247
248 # Check that the headers are self-contained, and protected against
249 # multiple inclusions. While at it, check they are sane for C++.
250 for h in *.h *.hh
251 do
252 # No shell expansion with AT_DATA.
253 cat >$h.cc <<EOF
254 AT_DATA_SOURCE_PROLOGUE
255 #include "$h"
256 #include "$h"
257 EOF
258 AT_COMPILE_CXX([$h.o])
259 done
260
261 # Do this late, so that other checks have been performed.
262 AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
263
264 AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
265 AT_PARSER_CHECK([./parser], [0], [[expout]])
266
267 m4_popdef([AT_TEST])
268
269 AT_CLEANUP