t/yacc-line.sh

   1 #! /bin/sh
   2 # Copyright (C) 2001-2017 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 # Check that automake yacc support ensures that yacc-generated C
  18 # files use correct "#line" directives.  Try also with the
  19 # 'subdir-object' option enabled.
  20 # See also sister test 'lex-line.sh'.
  21
  22 required='cc yacc'
  23 . test-init.sh
  24
  25 cat >> configure.ac << 'END'
  26 AC_CONFIG_FILES([sub/Makefile])
  27 AC_PROG_CC
  28 AC_PROG_YACC
  29 AC_OUTPUT
  30 END
  31
  32 mkdir dir sub sub/dir
  33
  34 cat > Makefile.am << 'END'
  35 SUBDIRS = sub
  36 bin_PROGRAMS = foo bar
  37 AM_YFLAGS = -d
  38 bar_YFLAGS =
  39 foo_SOURCES = zardoz.y
  40 bar_SOURCES = dir/quux.y
  41 ## Avoid spurious failures with Solaris make.
  42 zardoz.@OBJEXT@: zardoz.c
  43 bar-quux.@OBJEXT@: bar-quux.c
  44 END
  45
  46 cat > sub/Makefile.am << 'END'
  47 AUTOMAKE_OPTIONS = subdir-objects
  48 noinst_PROGRAMS = foo bar
  49 foo_YFLAGS = -d
  50 foo_SOURCES = zardoz.y
  51 bar_SOURCES = dir/quux.y
  52 ## Avoid spurious failures with Solaris make.
  53 foo-zardoz.@OBJEXT@: foo-zardoz.c
  54 dir/quux.@OBJEXT@: dir/quux.c
  55 END
  56
  57 cat > zardoz.y << 'END'
  58 %{
  59 int yylex () { return 0; }
  60 void yyerror (char *s) { return; }
  61 %}
  62 %%
  63 x : 'x' {};
  64 %%
  65 int main(void)
  66 {
  67   return yyparse ();
  68 }
  69 END
  70
  71 cp zardoz.y dir/quux.y
  72 cp zardoz.y sub/zardoz.y
  73 cp zardoz.y sub/dir/quux.y
  74
  75 c_outputs='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
  76
  77 $ACLOCAL
  78 $AUTOCONF
  79 # FIXME: stop disabling the warnings in the 'unsupported' category
  80 # FIXME: once the 'subdir-objects' option has been mandatory.
  81 $AUTOMAKE -a -Wno-unsupported
  82
  83 for vpath in : false; do
  84
  85   if $vpath; then
  86     srcdir=..
  87     mkdir build
  88     cd build
  89   else
  90     srcdir=.
  91   fi
  92
  93   $srcdir/configure
  94   $MAKE
  95
  96   # For debugging,
  97   ls -l . sub sub/dir
  98   $EGREP 'line|\.y' $c_outputs
  99
 100   # Adjusted "#line" should not contain reference to the builddir.
 101   grep '#.*line.*build.*\.y' $c_outputs && exit 1
 102   # Adjusted "#line" should not contain reference to the absolute
 103   # srcdir.
 104   $EGREP '#.*line *"?/.*\.y' $c_outputs && exit 1
 105   # Adjusted "#line" should not contain reference to the default
 106   # output file names, e.g., 'y.tab.c' and 'y.tab.h'.
 107   grep '#.*line.*y\.tab\.' $c_outputs && exit 1
 108   # Look out for a silly regression.
 109   grep "#.*\.y.*\.y" $c_outputs && exit 1
 110   if $vpath; then
 111     grep '#.*line.*"\.\./zardoz\.y"' zardoz.c
 112     grep '#.*line.*"\.\./dir/quux\.y"' bar-quux.c
 113     grep '#.*line.*"\.\./\.\./sub/zardoz\.y"' sub/foo-zardoz.c
 114     grep '#.*line.*"\.\./\.\./sub/dir/quux\.y"' sub/dir/quux.c
 115   else
 116     grep '#.*line.*"zardoz\.y"' zardoz.c
 117     grep '#.*line.*"dir/quux\.y"' bar-quux.c
 118     grep '#.*line.*"zardoz\.y"' sub/foo-zardoz.c
 119     grep '#.*line.*"dir/quux\.y"' sub/dir/quux.c
 120   fi
 121
 122   cd $srcdir
 123
 124 done
 125
 126 :