1 # Bison Parser Headers. -*- Autotest -*-
3 # Copyright (C) 2001-2002, 2006-2007, 2009-2015 Free Software
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.
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.
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/>.
19 AT_BANNER([[Parser Headers.]])
22 ## --------------------- ##
23 ## Invalid CPP headers. ##
24 ## --------------------- ##
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])
36 AT_DATA_GRAMMAR([$1.y],
40 ]AT_YYERROR_DECLARE_EXTERN[
41 ]AT_YYLEX_DECLARE_EXTERN[
49 AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
51 AT_COMPILE([$1.o], [-I. -c $1.c])
53 AT_BISON_OPTION_POPDEFS
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])
64 ## ---------------- ##
66 ## ---------------- ##
69 AT_SETUP([export YYLTYPE])
71 AT_BISON_OPTION_PUSHDEFS([%name-prefix "my_"])
72 AT_DATA_GRAMMAR([input.y],
87 AT_BISON_CHECK([--defines -o input.c input.y])
89 # YYLTYPE should be defined, and MY_LLOC declared.
92 YYLTYPE *my_llocp = &my_lloc;
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
108 ## ----------------- ##
109 ## Several parsers. ##
110 ## ----------------- ##
112 AT_SETUP([Several parsers])
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_}
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"); }
148 ]AT_YYLEX_DEFINE(["$1"])[
151 AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
153 AT_LANG_COMPILE([$1.o])
154 AT_CHECK([[echo "$1" >>expout]])
156 AT_BISON_OPTION_POPDEFS
160 [AT_DATA_SOURCE_PROLOGUE
161 [// If we are compiling with CC=$CXX, then do not load the C headers
162 // inside extern "C", since they were _not_ compiled this way.
184 std::cerr << #S": " << res << std::endl; \
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])
215 # Check there is no 'yy' left.
216 # C++ output relies on namespaces and still uses yy a lot.
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([[$PERL -n -0777 -e '
226 |YYPUSH_MORE(?:_DEFINED)?
228 |YY_ATTRIBUTE(?:_PURE|_UNUSED)?
229 |YY_IGNORE_MAYBE_UNINITIALIZED_(?:BEGIN|END)
233 |(defined|if)\ YYDEBUG
235 while (/^(.*YY.*)$/gm)
237 print "$ARGV: invalid exported YY: $1\n";
241 while (/^(.*yy.*)$/gm)
243 print "$ARGV: invalid exported yy: $1\n";
248 # Check that the headers are self-contained, and protected against
249 # multiple inclusions. While at it, check they are sane for C++.
252 # No shell expansion with AT_DATA.
254 AT_DATA_SOURCE_PROLOGUE
258 AT_COMPILE_CXX([$h.o])
261 # Do this late, so that other checks have been performed.
262 AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
264 AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
265 AT_PARSER_CHECK([./parser], [0], [[expout]])