t/yacc-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 # Basic semantic checks on Yacc + C++ support (when yacc-generated
  18 # headers are not involved).
  19 # Keep in sync with sister test 'yacc-basic.sh'.
  20
  21 required='c++ yacc'
  22 . test-init.sh
  23
  24 cat >> configure.ac << 'END'
  25 AC_PROG_CXX
  26 AC_PROG_YACC
  27 AC_OUTPUT
  28 END
  29
  30 cat > Makefile.am << 'END'
  31 bin_PROGRAMS = foo1 foo2 foo3 foo4
  32 foo1_SOURCES = parse1.yy  foo.cc
  33 foo2_SOURCES = parse2.y++ bar.c++
  34 foo3_SOURCES = parse3.yxx foo.cc
  35 foo4_SOURCES = parse4.ypp bar2.cxx
  36 foo3_YFLAGS = -v
  37 foo4_YFLAGS = $(foo3_YFLAGS)
  38
  39 .PHONY: echo-distcom
  40 echo-distcom:
  41         @echo ' ' $(DIST_COMMON) ' '
  42 END
  43
  44 cat > parse1.yy << 'END'
  45 %{
  46 // Valid C++, but deliberately invalid C.
  47 #include <cstdio>
  48 #include <cstdlib>
  49 // "std::" qualification required by Sun C++ 5.9.
  50 int yylex (void) { return std::getchar (); }
  51 void yyerror (const char *s) { return; }
  52 %}
  53 %%
  54 a : 'a' { exit(0); };
  55 END
  56 cp parse1.yy parse2.y++
  57 cp parse1.yy parse3.yxx
  58 cp parse1.yy parse4.ypp
  59
  60 cat > foo.cc << 'END'
  61 // Valid C++, but deliberately invalid C.
  62 using namespace std;
  63 int main (int argc, char **argv)
  64 {
  65   int yyparse (void);
  66   yyparse ();
  67   return 1;
  68 }
  69 END
  70 cp foo.cc bar.c++
  71 cp foo.cc bar2.cxx
  72
  73 $ACLOCAL
  74 $AUTOCONF
  75 $AUTOMAKE -a
  76
  77 ./configure
  78
  79 $MAKE
  80
  81 # The Yacc-derived C++ sources must be created, and not removed once
  82 # compiled (i.e., not treated like "intermediate files" in the GNU
  83 # make sense).
  84 test -f parse1.cc
  85 test -f parse2.c++
  86 test -f foo3-parse3.cxx
  87 test -f foo4-parse4.cpp
  88 # Check that per-object flags are honored.
  89 test -f foo3-parse3.output
  90 test -f foo4-parse4.output
  91
  92 if ! cross_compiling; then
  93   for i in 1 2 3 4; do
  94     echo a | ./foo$i
  95     echo b | ./foo$i && exit 1
  96     : For shells with busted 'set -e'.
  97   done
  98 fi
  99
 100 # The Yacc-derived C++ sources must be shipped.
 101 $MAKE echo-distcom
 102 $MAKE -s echo-distcom | grep '[ /]parse1\.cc '
 103 $MAKE -s echo-distcom | grep '[ /]parse2\.c++ '
 104 $MAKE -s echo-distcom | grep '[ /]foo3-parse3\.cxx '
 105 $MAKE -s echo-distcom | grep '[ /]foo4-parse4\.cpp '
 106 $MAKE distdir
 107 ls -l $distdir
 108 test -f $distdir/parse1.cc
 109 test -f $distdir/parse2.c++
 110 test -f $distdir/foo3-parse3.cxx
 111 test -f $distdir/foo4-parse4.cpp
 112
 113 # Sanity check on distribution.
 114 # Note that, for this to succeed, foo3-parse3.output and foo4-parse4.output
 115 # must either not be distributed, or properly cleaned by automake-generated
 116 # rules.  We don't want to set the exact semantics yet, but want to ensure
 117 # they are are consistent.
 118 yl_distcheck
 119
 120 # Make sure that the Yacc-derived C++ sources are erased by
 121 # maintainer-clean, and not by distclean.
 122 test -f parse1.cc
 123 test -f parse2.c++
 124 test -f foo3-parse3.cxx
 125 test -f foo4-parse4.cpp
 126 $MAKE distclean
 127 ls -l
 128 test -f parse1.cc
 129 test -f parse2.c++
 130 test -f foo3-parse3.cxx
 131 test -f foo4-parse4.cpp
 132 ./configure # Re-create 'Makefile'.
 133 $MAKE maintainer-clean
 134 ls -l
 135 test ! -e parse1.cc
 136 test ! -e parse2.c++
 137 test ! -e foo3-parse3.cxx
 138 test ! -e foo4-parse4.cpp
 139
 140 :