t/yacc-line.sh

   1 #! /bin/sh
   2 # Copyright (C) 2001-2024 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 # 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 AM_LFLAGS = --never-interactive
  36
  37 SUBDIRS = sub
  38 bin_PROGRAMS = foo bar
  39 AM_YFLAGS = -d
  40 bar_YFLAGS =
  41 foo_SOURCES = zardoz.y
  42 bar_SOURCES = dir/quux.y
  43 ## Avoid spurious failures with Solaris make.
  44 zardoz.@OBJEXT@: zardoz.c
  45 bar-quux.@OBJEXT@: bar-quux.c
  46 END
  47
  48 cat > sub/Makefile.am << 'END'
  49 AUTOMAKE_OPTIONS = subdir-objects
  50 AM_LFLAGS = --never-interactive
  51
  52 noinst_PROGRAMS = foo bar
  53 foo_YFLAGS = -d
  54 foo_SOURCES = zardoz.y
  55 bar_SOURCES = dir/quux.y
  56 ## Avoid spurious failures with Solaris make.
  57 foo-zardoz.@OBJEXT@: foo-zardoz.c
  58 dir/quux.@OBJEXT@: dir/quux.c
  59 END
  60
  61 cat > zardoz.y << 'END'
  62 %{
  63 int yylex () { return 0; }
  64 void yyerror (const char *s) {}
  65 %}
  66 %%
  67 x : 'x' {};
  68 %%
  69 int main(void)
  70 {
  71   return yyparse ();
  72 }
  73 END
  74
  75 cp zardoz.y dir/quux.y
  76 cp zardoz.y sub/zardoz.y
  77 cp zardoz.y sub/dir/quux.y
  78
  79 c_outputs='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
  80
  81 $ACLOCAL
  82 $AUTOCONF
  83 # FIXME: stop disabling the warnings in the 'unsupported' category
  84 # FIXME: once the 'subdir-objects' option has been mandatory.
  85 $AUTOMAKE -a -Wno-unsupported
  86
  87 for vpath in : false; do
  88
  89   if $vpath; then
  90     srcdir=..
  91     mkdir build
  92     cd build
  93   else
  94     srcdir=.
  95   fi
  96
  97   $srcdir/configure
  98   $MAKE
  99
 100   # For debugging,
 101   ls -l . sub sub/dir
 102   $EGREP 'line|\.y' $c_outputs
 103
 104   # Adjusted "#line" should not contain reference to the builddir.
 105   grep '#.*line.*build.*\.y' $c_outputs && exit 1
 106   # Adjusted "#line" should not contain reference to the absolute
 107   # srcdir.
 108   $EGREP '#.*line *"?/.*\.y' $c_outputs && exit 1
 109   # Adjusted "#line" should not contain reference to the default
 110   # output file names, e.g., 'y.tab.c' and 'y.tab.h'.
 111   grep '#.*line.*y\.tab\.' $c_outputs && exit 1
 112   # Look out for a silly regression.
 113   grep "#.*\.y.*\.y" $c_outputs && exit 1
 114   if $vpath; then
 115     grep '#.*line.*"\.\./zardoz\.y"' zardoz.c
 116     grep '#.*line.*"\.\./dir/quux\.y"' bar-quux.c
 117     grep '#.*line.*"\.\./\.\./sub/zardoz\.y"' sub/foo-zardoz.c
 118     grep '#.*line.*"\.\./\.\./sub/dir/quux\.y"' sub/dir/quux.c
 119   else
 120     grep '#.*line.*"zardoz\.y"' zardoz.c
 121     grep '#.*line.*"dir/quux\.y"' bar-quux.c
 122     grep '#.*line.*"zardoz\.y"' sub/foo-zardoz.c
 123     grep '#.*line.*"dir/quux\.y"' sub/dir/quux.c
 124   fi
 125
 126   cd $srcdir
 127
 128 done
 129
 130 :