t/yacc-bison-skeleton-cxx.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2024 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 # Test to make sure bison + bison's C++ skeleton + C++ works.
  18 # For Automake bug#7648 and PR automake/491.
  19
  20 required='c++ bison'
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CXX
  25 AC_PROG_YACC
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 AM_LFLAGS = --never-interactive
  31
  32 bin_PROGRAMS = zardoz
  33 zardoz_SOURCES = zardoz.yy foo.cc
  34
  35 # This is required even with %defines in zardoz.yy.
  36 AM_YFLAGS = -d
  37
  38 BUILT_SOURCES = zardoz.hh
  39 EXTRA_DIST = stack.hh location.hh position.hh
  40 END
  41
  42 cat > zardoz.yy << 'END'
  43 %skeleton "lalr1.cc"
  44 %defines
  45 %locations
  46
  47 %union
  48 {
  49   int ival;
  50 };
  51 %{
  52 int yylex (yy::parser::semantic_type *yylval,
  53            yy::parser::location_type *yylloc);
  54 %}
  55
  56 %%
  57 start :        /* empty */
  58 %%
  59
  60 int
  61 yylex (yy::parser::semantic_type *yylval,
  62        yy::parser::location_type *yylloc)
  63 {
  64   return 0;
  65 }
  66
  67 void
  68 yy::parser::error(const yy::parser::location_type&, const std::string&)
  69 {
  70   return;
  71 }
  72 END
  73
  74 cat > foo.cc << 'END'
  75 #include "zardoz.hh"
  76
  77 int
  78 main(int argc, char** argv)
  79 {
  80   yy::parser my_parser;
  81   return my_parser.parse ();
  82 }
  83 END
  84
  85 $ACLOCAL
  86 $AUTOCONF
  87 $AUTOMAKE -a
  88
  89 # Try a VPATH build first.
  90 mkdir build
  91 cd build
  92 ../configure YACC='bison -y'
  93 $MAKE
  94 cd ..
  95
  96 # Now try an in-tree build.
  97 ./configure YACC='bison -y'
  98 $MAKE
  99
 100 # Check that distribution is self-contained, and do not require
 101 # bison to be built.
 102 yl_distcheck YACC=false DISTCHECK_CONFIGURE_FLAGS='YACC=false'
 103
 104 :