t/yacc-d-cxx.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Various tests on Yacc/C++ support with yacc-generated headers
  18 # (i.e., '-d' in *YFLAGS).
  19 # Keep in sync with sister test 'yacc-d-basic.sh'.
  20
  21 required='c++ yacc'
  22 . test-init.sh
  23
  24 write_parse ()
  25 {
  26   header=$1
  27   unindent <<END
  28     %{
  29     // Valid C++, but deliberately invalid C.
  30     #include <cstdlib>
  31     #include "$header"
  32     int yylex (void) { return 0; }
  33     void yyerror (const char *s) {}
  34     %}
  35     %%
  36     x : 'x' {};
  37     %%
  38 END
  39 }
  40
  41 write_main ()
  42 {
  43   header=$1
  44   unindent <<END
  45     // Valid C++, but deliberately invalid C.
  46     #include <cstdio>
  47     #include "$header"
  48     int main (int argc, char **argv)
  49     {
  50       int yyparse (void);
  51       return yyparse ();
  52     }
  53 END
  54 }
  55
  56 cat >> configure.ac << 'END'
  57 AC_PROG_CXX
  58 AC_PROG_YACC
  59 AC_CONFIG_FILES([foo/Makefile bar/Makefile baz/Makefile qux/Makefile])
  60 AC_OUTPUT
  61 END
  62
  63 mkdir foo bar baz qux baz/sub
  64
  65 # These makefiles will be extended later.
  66 cat > Makefile.am <<'END'
  67 .PHONY: echo-distcom
  68 echo-distcom:
  69         @echo ' ' $(DIST_COMMON) ' '
  70 END
  71 cp Makefile.am foo/Makefile.am
  72 cp Makefile.am bar/Makefile.am
  73 cp Makefile.am baz/Makefile.am
  74 cp Makefile.am qux/Makefile.am
  75
  76 cat >> Makefile.am <<'END'
  77 SUBDIRS = foo bar baz qux
  78 END
  79
  80 $ACLOCAL
  81 $AUTOCONF
  82
  83 cp "$am_scriptdir/ylwrap" . \
  84   || fatal_ "cannot fetch auxiliary script 'ylwrap'"
  85
  86 $AUTOMAKE Makefile
  87
  88 # Try with -d in $(YFLAGS) (don't do this in real life!).
  89 cat >> foo/Makefile.am <<END
  90 bin_PROGRAMS = zardoz
  91 zardoz_SOURCES = parse.yy main.cc
  92 BUILT_SOURCES = parse.hh
  93 YFLAGS=\
  94 -d
  95 END
  96
  97 $AUTOMAKE -Wno-gnu foo/Makefile
  98
  99 write_parse parse.hh > foo/parse.yy
 100 write_main parse.hh > foo/main.cc
 101
 102 # Try with -d in $(AM_YFLAGS).
 103 cat >> bar/Makefile.am <<END
 104 bin_PROGRAMS = zardoz
 105 zardoz_SOURCES = parse.ypp main.cpp
 106 BUILT_SOURCES = parse.hpp
 107 AM_YFLAGS${tab}=  -d ${tab}
 108 END
 109
 110 $AUTOMAKE bar/Makefile
 111
 112 write_parse parse.hpp > bar/parse.ypp
 113 write_main parse.hpp > bar/main.cpp
 114
 115 # Try with -d in $(AM_YFLAGS), and a subdir parser.
 116 cat >> baz/Makefile.am <<END
 117 AUTOMAKE_OPTIONS = subdir-objects
 118 bin_PROGRAMS = joe
 119 joe_SOURCES = sub/parse.y++ sub/main.c++
 120 BUILT_SOURCES = sub/parse.h++
 121 AM_YFLAGS = \
 122 ${tab}-d
 123 END
 124
 125 $AUTOMAKE baz/Makefile
 126
 127 write_parse sub/parse.h++ > baz/sub/parse.y++
 128 write_main sub/parse.h++ > baz/sub/main.c++
 129
 130 # Try with -d in $(xxx_YFLAGS) (per-object flag).
 131 cat >> qux/Makefile.am <<END
 132 bin_PROGRAMS = maude
 133 maude_SOURCES = parse.yxx main.cxx
 134 maude_YFLAGS=${tab}  -d${tab}
 135 BUILT_SOURCES = maude-parse.hxx
 136 END
 137
 138 $AUTOMAKE qux/Makefile
 139
 140 write_parse maude-parse.hxx > qux/parse.yxx
 141 write_main maude-parse.hxx > qux/main.cxx
 142
 143 ./configure
 144
 145 $MAKE
 146 ls -l . foo bar baz baz/sub qux # For debugging.
 147
 148 test -f foo/parse.cc
 149 test -f foo/parse.hh
 150 test -f bar/parse.cpp
 151 test -f bar/parse.hpp
 152 test -f baz/sub/parse.c++
 153 test -f baz/sub/parse.h++
 154 test -f qux/maude-parse.cxx
 155 test -f qux/maude-parse.hxx
 156
 157 # The ylwrap script must be shipped.
 158 $MAKE echo-distcom
 159 $MAKE -s echo-distcom | grep '[ /]ylwrap '
 160
 161 # The generated C++ source and header files must be shipped.
 162 cd foo
 163 $MAKE echo-distcom
 164 $MAKE -s echo-distcom | grep '[ /]parse\.cc '
 165 $MAKE -s echo-distcom | grep '[ /]parse\.hh '
 166 cd ..
 167 cd bar
 168 $MAKE echo-distcom
 169 $MAKE -s echo-distcom | grep '[ /]parse\.cpp '
 170 $MAKE -s echo-distcom | grep '[ /]parse\.hpp '
 171 cd ..
 172 cd baz
 173 $MAKE echo-distcom
 174 $MAKE -s echo-distcom | grep '[ /]sub/parse\.c++ '
 175 $MAKE -s echo-distcom | grep '[ /]sub/parse\.h++ '
 176 cd ..
 177 cd qux
 178 $MAKE echo-distcom
 179 $MAKE -s echo-distcom | grep '[ /]maude-parse\.cxx '
 180 $MAKE -s echo-distcom | grep '[ /]maude-parse\.hxx '
 181 cd ..
 182
 183 $MAKE distdir
 184 find $distdir # For debugging.
 185
 186 test -f $distdir/ylwrap
 187 test -f $distdir/foo/parse.cc
 188 test -f $distdir/foo/parse.hh
 189 test -f $distdir/bar/parse.cpp
 190 test -f $distdir/bar/parse.hpp
 191 test -f $distdir/baz/sub/parse.c++
 192 test -f $distdir/baz/sub/parse.h++
 193 test -f $distdir/qux/maude-parse.cxx
 194 test -f $distdir/qux/maude-parse.hxx
 195
 196 # The Yacc-derived C++ sources must be created, and not removed once
 197 # compiled (i.e., not treated like "intermediate files" in the GNU
 198 # make sense).
 199 yl_distcheck
 200
 201 # Check that we can recover from deleted headers.
 202 $MAKE clean
 203 rm -f foo/parse.hh bar/parse.hpp baz/sub/parse.h++ qux/maude-parse.hxx
 204 $MAKE
 205 test -f foo/parse.hh
 206 test -f bar/parse.hpp
 207 test -f baz/sub/parse.h++
 208 test -f qux/maude-parse.hxx
 209
 210 # Make sure that the Yacc-derived C++ sources are erased by
 211 # maintainer-clean, and not by distclean.
 212 $MAKE distclean
 213 test -f foo/parse.cc
 214 test -f foo/parse.hh
 215 test -f bar/parse.cpp
 216 test -f bar/parse.hpp
 217 test -f baz/sub/parse.c++
 218 test -f baz/sub/parse.h++
 219 test -f qux/maude-parse.cxx
 220 test -f qux/maude-parse.hxx
 221 ./configure # Re-create 'Makefile'.
 222 $MAKE maintainer-clean
 223 test ! -e foo/parse.cc
 224 test ! -e foo/parse.hh
 225 test ! -e bar/parse.cpp
 226 test ! -e bar/parse.hpp
 227 test ! -e baz/sub/parse.c++
 228 test ! -e baz/sub/parse.h++
 229 test ! -e qux/maude-parse.cxx
 230 test ! -e qux/maude-parse.hxx
 231
 232 :