t/yacc-bison-skeleton-cxx.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2018 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 bin_PROGRAMS = zardoz
  31 zardoz_SOURCES = zardoz.yy foo.cc
  32
  33 # This is required even with %defines in zardoz.yy.
  34 AM_YFLAGS = -d
  35
  36 BUILT_SOURCES = zardoz.hh
  37 EXTRA_DIST = stack.hh location.hh position.hh
  38 END
  39
  40 cat > zardoz.yy << 'END'
  41 %skeleton "lalr1.cc"
  42 %defines
  43 %locations
  44
  45 %union
  46 {
  47   int ival;
  48 };
  49 %{
  50 int yylex (yy::parser::semantic_type *yylval,
  51            yy::parser::location_type *yylloc);
  52 %}
  53
  54 %%
  55 start :        /* empty */
  56 %%
  57
  58 int
  59 yylex (yy::parser::semantic_type *yylval,
  60        yy::parser::location_type *yylloc)
  61 {
  62   return 0;
  63 }
  64
  65 void
  66 yy::parser::error(const yy::parser::location_type&, const std::string&)
  67 {
  68   return;
  69 }
  70 END
  71
  72 cat > foo.cc << 'END'
  73 #include "zardoz.hh"
  74
  75 int
  76 main(int argc, char** argv)
  77 {
  78   yy::parser my_parser;
  79   return my_parser.parse ();
  80 }
  81 END
  82
  83 $ACLOCAL
  84 $AUTOCONF
  85 $AUTOMAKE -a
  86
  87 # Try a VPATH build first.
  88 mkdir build
  89 cd build
  90 ../configure YACC='bison -y'
  91 $MAKE
  92 cd ..
  93
  94 # Now try an in-tree build.
  95 ./configure YACC='bison -y'
  96 $MAKE
  97
  98 # Check that distribution is self-contained, and do not require
  99 # bison to be built.
 100 yl_distcheck YACC=false DISTCHECK_CONFIGURE_FLAGS='YACC=false'
 101
 102 :