# Fix up yacc output to allow dynamic allocation. Since perly.c
# is now provided with the perl source, this should not be necessary.
-#
+#
# However, if the user wishes to use byacc, or wishes to try another
# compiler compiler (e.g. bison or yacc), this script will get run.
# See makefile run_byacc target for more details.
#
# Additional information to make the BSD section work with SunOS 4.0.2
# tdinger@East.Sun.COM (Tom Dinger) 4/15/1991
+#
+# Also edit some practices gcc -Wall finds questionable.
+#
input=$1
output=$2
tmp=/tmp/f$$
+inputh=`echo $input|sed 's:\.c$:.h:'`
+if grep '^#ifdef PERL_CORE' $inputh; then
+ : never mind
+else
+ echo "#ifdef PERL_CORE" > $tmp
+ sed -e 's:^typedef union {:#endif /* PERL_CORE */\
+\
+typedef union {:' $inputh >> $tmp
+ mv -f $tmp $inputh
+fi
+
if grep 'yaccpar 1.8 (Berkeley)' $input >/dev/null 2>&1; then
cp $input $output
+ # Don't expect the diff to do everything -- do some by hand
if test -f perly_c.diff; then
patch -F3 $output <perly_c.diff
+ sed -e '/^[ ]*printf("yydebug:/s/printf(/PerlIO_printf(Perl_debug_log, /' \
+ -e '/^#line /s/"y[.]tab[.]c"/"perly.c"/' \
+ -e '/\[\] *= *[{]/s/^/static /' \
+ -e '/^static static/s/^static //' \
+ -e '/^#define.WORD/,/^#define.ARROW/d' \
+ -e '/^int.yydebug/,/^#define.yystacksize/d' \
+ -e 's/^yyerrlab:$//' \
+ -e 's/^ goto yyerrlab;//' \
+ -e 's/^yynewerror:$//' \
+ -e 's/^ goto yynewerror;//' \
+ -e 's|^static char yysccsid\(.*\)|/* static char yysccsid\1 */|' \
+ < $output > $tmp && mv -f $tmp $output || exit 1
rm -rf $input
+ echo "If you need to debug perly.c, you need to fix up the #line"
+ echo "directives yourself."
fi
exit
elif grep 'yaccpar 1.9 (Berkeley)' $input >/dev/null 2>&1; then
if test -f perly.c.dif9; then
patch -F3 $output <perly.c.dif9
+ sed -e '/^[ ]*printf("yydebug:/s/printf(/PerlIO_printf(Perl_debug_log, /' \
+ -e '/^#line /s/"y[.]tab[.]c"/"perly.c"/' \
+ -e '/\[\] *= *[{]/s/^/static /' \
+ -e '/^static static/s/^static //' \
+ -e '/^#define.WORD/,/^#define.ARROW/d' \
+ -e '/^int.yydebug/,/^#define.yystacksize/d' \
+ -e 's/^yyerrlab:$//' \
+ -e 's/^ goto yyerrlab;//' \
+ -e 's/^yynewerror:$//' \
+ -e 's/^ goto yynewerror;//' \
+ -e 's|^static char yysccsid\(.*\)|/* static char yysccsid\1 */|' \
+ < $output > $tmp && mv -f $tmp $output || exit 1
rm -rf $input
+ echo "If you need to debug perly.c, you need to fix up the #line"
+ echo "directives yourself."
exit 0
else
echo "Diffs from byacc-1.9 are not available."
# Also added are out of memory checks (makes porting the generated
# code easier) For most systems, it can't hurt. -- TD
"bsd43")
- echo "Attempting to path perly.c to allow dynamic yacc stack allocation"
+ echo "Attempting to patch perly.c to allow dynamic yacc stack allocation"
echo "Assuming bsd4.3 yaccpar"
cat >$tmp <<'END'
/YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\];/c\
#######################################################
"isc") # Interactive Systems 2.2 version
- echo "Attempting to path perly.c to allow dynamic yacc stack allocation"
+ echo "Attempting to patch perly.c to allow dynamic yacc stack allocation"
echo "Assuming Interactive SysVr3 2.2 yaccpar"
# Easier to simply put whole script here than to modify the
# bsd script with sed.