source4/heimdal_build/lexyacc.sh

   1 #!/bin/bash
   2
   3 # rebuild our heimdal lex/yacc files. Run this manually if you update heimdal
   4
   5 lexfiles="heimdal/lib/asn1/lex.l heimdal/lib/hx509/sel-lex.l heimdal/lib/com_err/lex.l"
   6 yaccfiles="heimdal/lib/asn1/asn1parse.y heimdal/lib/hx509/sel-gram.y heimdal/lib/com_err/parse.y"
   7
   8 set -e
   9
  10 LEX="lex"
  11 YACC="yacc"
  12
  13 top=$PWD
  14
  15 call_lex() {
  16     lfile="$1"
  17
  18     echo "Calling $LEX on $lfile"
  19
  20     dir=$(dirname $lfile)
  21     base=$(basename $lfile .l)
  22     cfile=$base".c"
  23     lfile=$base".l"
  24
  25     cd $dir
  26
  27     # --noline specified because line directives cause more bother than they solve (issues with lcov finding the source files)
  28     $LEX --noline $lfile || exit 1
  29
  30     if [ -r lex.yy.c ]; then
  31         echo "#include \"config.h\"" > $base.c
  32         grep -v "^#line" lex.yy.c >> $base.c
  33         rm -f $base.yy.c
  34     elif [ -r $base.yy.c ]; then
  35         echo "#include \"config.h\"" > $base.c
  36         grep -v "^#line" $base.yy.c >> $base.c
  37         rm -f $base.yy.c
  38     elif [ -r $base.c ]; then
  39         mv $base.c $base.c.tmp
  40         echo "#include \"config.h\"" > $base.c
  41         grep -v "^#line" $base.c.tmp >> $base.c
  42         rm -f $base.c.tmp
  43     elif [ ! -r base.c ]; then
  44         echo "$base.c nor $base.yy.c nor lex.yy.c generated."
  45         exit 1
  46     fi
  47     cd $top
  48 }
  49
  50
  51 call_yacc() {
  52     yfile="$1"
  53
  54     echo "Calling $YACC on $yfile"
  55
  56     dir=$(dirname $yfile)
  57     base=$(basename $yfile .y)
  58     cfile=$base".c"
  59     yfile=$base".y"
  60
  61     cd $dir
  62
  63     # -l specified because line directives cause more bother than they solve (issues with lcov finding the source files)
  64     $YACC -l -d $yfile || exit 1
  65     if [ -r y.tab.h -a -r y.tab.c ];then
  66         cat y.tab.h > $base.h
  67         cat y.tab.c > $base.c
  68         rm -f y.tab.c y.tab.h
  69     elif [ ! -r $base.h -a ! -r $base.c]; then
  70         echo "$base.h nor $base.c generated."
  71         exit 1
  72     fi
  73     cd $top
  74 }
  75
  76
  77
  78 for lfile in $lexfiles; do
  79     call_lex $lfile
  80 done
  81
  82 for yfile in $yaccfiles; do
  83     call_yacc $yfile
  84 done