diff options
Diffstat (limited to 'contrib/perl5/perly.fixer')
| -rwxr-xr-x | contrib/perl5/perly.fixer | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/contrib/perl5/perly.fixer b/contrib/perl5/perly.fixer deleted file mode 100755 index daa558e..0000000 --- a/contrib/perl5/perly.fixer +++ /dev/null @@ -1,227 +0,0 @@ -#!/bin/sh - -# 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. -# -# Currently, only byacc version 1.8 is fully supported. -# -# Hacks to make it work with Interactive's SysVr3 Version 2.2 -# doughera@lafvax.lafayette.edu (Andy Dougherty) 3/23/91 -# -# Additional information to make the BSD section work with SunOS 4.0.2 -# tdinger@East.Sun.COM (Tom Dinger) 4/15/1991 - -input=$1 -output=$2 -tmp=/tmp/f$$ - -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' \ - < $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' \ - < $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." - echo "If you wish to proceed anyway, do" - echo "cp $input $output" - echo "cp y.tab.h perly.h" - echo "and re-run make. Otherwise, I will use the old perly.c" - touch perly.c - # Exit with error status to stop make. - exit 1 - fi -fi - -plan="unknown" - -echo "" -echo "Warning: the yacc you have used is not directly supported by perl." -echo "The perly.fixer script will attempt to make some changes to the generated" -echo "file. The changes may be incomplete and that might lead to problems later" -echo "(especially with complex scripts). You may need to apply the changes" -echo "embedded in perl.fixer (and/or perly_c.dif*) by hand." -echo "" - -# Below, we check for various characteristic yaccpar outputs. - -# Test for BSD 4.3 version. -# Also tests for the SunOS 4.0.2 version -egrep 'YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\]; -short[ ]*yys\[ *YYMAXDEPTH *\] *; -yyps *= *&yys\[ *-1 *\]; -yypv *= *&yyv\[ *-1 *\]; -if *\( *\+\+yyps *>=* *&yys\[ *YYMAXDEPTH *\] *\)' $input >$tmp 2>/dev/null - -set `wc -l $tmp` -if test "$1" = "5"; then - plan="bsd43" -fi - -if test "$plan" = "unknown"; then - # Test for ISC 2.2 version (probably generic SysVr3). -egrep 'YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\]; -int[ ]*yys\[ *YYMAXDEPTH *\] *; -yyps *= *&yys\[ *-1 *\]; -yypv *= *&yyv\[ *-1 *\]; -if *\( *\+\+yy_ps *>= *&yys\[ *YYMAXDEPTH *\] *\)' $input >$tmp 2>/dev/null - - set `wc -l $tmp` - if test "$1" = "5"; then - plan="isc" - fi -fi - -# ------ - -case "$plan" in - ################################################################## - # The SunOS 4.0.2 version has the comparison fixed already. - # 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 patch perly.c to allow dynamic yacc stack allocation" - echo "Assuming bsd4.3 yaccpar" - cat >$tmp <<'END' -/YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\];/c\ -int yymaxdepth = YYMAXDEPTH;\ -YYSTYPE *yyv; /* where the values are stored */\ -short *yys;\ -short *maxyyps; - -/short[ ]*yys\[ *YYMAXDEPTH *\] *;/d - -/yyps *= *&yys\[ *-1 *\];/d - -/yypv *= *&yyv\[ *-1 *\];/c\ -\ if (!yyv) {\ -\ New(73, yyv, yymaxdepth, YYSTYPE);\ -\ New(73, yys, yymaxdepth, short);\ -\ if ( !yyv || !yys ) {\ -\ yyerror( "out of memory" );\ -\ return(1);\ -\ }\ -\ maxyyps = &yys[yymaxdepth];\ -\ }\ -\ yyps = &yys[-1];\ -\ yypv = &yyv[-1]; - - -/if *( *\+\+yyps *>=* *&yys\[ *YYMAXDEPTH *\] *)/c\ -\ if( ++yyps >= maxyyps ) {\ -\ int tv = yypv - yyv;\ -\ int ts = yyps - yys;\ -\ -\ yymaxdepth *= 2;\ -\ Renew(yyv, yymaxdepth, YYSTYPE);\ -\ Renew(yys, yymaxdepth, short);\ -\ if ( !yyv || !yys ) {\ -\ yyerror( "yacc stack overflow" );\ -\ return(1);\ -\ }\ -\ yyps = yys + ts;\ -\ yypv = yyv + tv;\ -\ maxyyps = &yys[yymaxdepth];\ -\ } - -/yacc stack overflow.*}/d -/yacc stack overflow/,/}/d -END - if sed -f $tmp <$input >$output - then echo "The edit seems to have been applied okay." - else echo "The edit seems to have failed!" - fi - ;; - - ####################################################### - "isc") # Interactive Systems 2.2 version - 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. - # Main changes: yaccpar sometimes uses yy_ps and yy_pv - # which are local register variables. - # if(++yyps > YYMAXDEPTH) had opening brace on next line. - # I've kept that brace in along with a call to yyerror if - # realloc fails. (Actually, I just don't know how to do - # multi-line matches in sed.) - cat > $tmp << 'END' -/YYSTYPE[ ]*yyv\[ *YYMAXDEPTH *\];/c\ -int yymaxdepth = YYMAXDEPTH;\ -YYSTYPE *yyv; /* where the values are stored */\ -int *yys;\ -int *maxyyps; - -/int[ ]*yys\[ *YYMAXDEPTH *\] *;/d - -/yyps *= *&yys\[ *-1 *\];/d - -/yypv *= *&yyv\[ *-1 *\];/c\ -\ if (!yyv) {\ -\ New(73, yyv, yymaxdepth, YYSTYPE);\ -\ New(73, yys, yymaxdepth, int);\ -\ maxyyps = &yys[yymaxdepth];\ -\ }\ -\ yyps = &yys[-1];\ -\ yypv = &yyv[-1]; - -/if *( *\+\+yy_ps *>= *&yys\[ *YYMAXDEPTH *\] *)/c\ -\ if( ++yy_ps >= maxyyps ) {\ -\ int tv = yy_pv - yyv;\ -\ int ts = yy_ps - yys;\ -\ -\ yymaxdepth *= 2;\ -\ Renew(yyv, yymaxdepth, YYSTYPE);\ -\ Renew(yys, yymaxdepth, int);\ -\ yy_ps = yyps = yys + ts;\ -\ yy_pv = yypv = yyv + tv;\ -\ maxyyps = &yys[yymaxdepth];\ -\ }\ -\ if (yyv == NULL || yys == NULL) -END - if sed -f $tmp < $input > $output - then echo "The edit seems to have been applied okay." - else echo "The edit seems to have failed!" - fi - ;; - - ###################################################### - # Plan still unknown - *) - echo "Unable to patch perly.c to allow dynamic yacc stack allocation (plan=$plan)" - # just do minimal change to write $output from $input - sed -e 's/Received token/ *** Received token/' $input >$output - ;; -esac - -echo "" -rm -rf $tmp $input |
