# Use Hallvard's scan for XS files - since he processes the "C" part too -
# but with a lot of improvements: now it is no worse than CPerl's one.
-# Avoid builitin on OS/2:
+# Avoid builtin on OS/2:
if test ! -z "$OS2_SHELL"; then alias find=gnufind; fi
# Insure proper order (.h after .c, .xs before .c in subdirs):
-topfiles="`echo ' ' *.y *.c *.h ' ' | sed 's/ embed.h / /'`"
-subdirfiles="`( find ./*/* -name '*.[cy]' -print | sort ; find ./*/* -name '*.[hH]' -print | sort )`"
+# Move autogenerated less-informative files to the end:
+# Hard to do embed.h and embedvar.h in one sweep:
+
+topfiles="`echo ' ' *.y *.c *.h ' ' | sed 's/ / /g' | sed 's/ embedvar\.h\|embed\.h\|perlapi\.h\|obj\(pp\|XSUB\)\.h\|\(globals\|perlapi\)\.c / /g'`"
+subdirs="`find ./* -maxdepth 0 -type d`"
+subdirfiles="`find $subdirs -name '*.[cy]' -print | sort`"
+subdirfiles1="`find $subdirs -name '*.[hH]' -print | sort`"
xsfiles="`find . -name '*.xs' -print | sort`"
-# What is `etags -d'?
+# etags -d : process defines too (default now)
# These are example lines for global variables and PP-code:
## IEXT SV * Iparsehook;
## PERLVARI(Grsfp, PerlIO *, Nullfp)
## PERLVAR(cvcache, HV *)
+# Putting PL_\1 in the substitution line makes etags dump core
+# Thus we do it later (but 20.2.92 does it OK).
set x -d -l c \
-r '/[dI]?EXT\(CONST\)?[ \t*]+\([a-zA-Z_0-9]+[ \t*]+\)*\([a-zA-Z_0-9]+\)[ \t]*\($\|;\|\[\|[ \t]I+NIT[ \t]*(\|\/\*\)/\3/' \
-r '/IEXT[ \t][^\/]*[ \t*]I\([a-zA-Z_][a-zA-Z_0-9]*\)[\[; \t]/\1/' \
- -r '/PERLVAR[a-zA-Z_0-9]*[ \t]*([ \t]*[GIT]?\([a-zA-Z_][a-zA-Z_0-9]*\)[ \t]*,/\1/' \
+ -r '/PERLVAR[a-zA-Z_0-9]*[ \t]*([ \t]*[GIT]?\([a-zA-Z_][a-zA-Z_0-9]*\)[ \t]*[\[,]/\1/' \
-r '/PP[ \t]*([ \t]*\([^ \t()]*\)[ \t]*)/\1/'
shift
etags -o TAGS.tmp \
-l none -r '/#\(\$[a-zA-Z_0-9]+\|define\)[ \t]+\([a-zA-Z_0-9]+\)/\2/' \
config_h.SH
+# Process lines like this: Mcc (Loc.U):
+etags -o TAGS.tmp -a \
+ -l none -r '/^\([a-zA-Z_0-9]+\)[ \t]+(/\$\1/' \
+ -r '/^\([a-zA-Z_0-9]+\)[ \t]+(/\1/' Porting/Glossary
+
etags -o TAGS.tmp -a "$@" $topfiles
+
+# Now add these PL_:
+perl -w014pe 'if (s/^( .* PERLVAR A?I? # 1: TAG group
+ \s* \( \s* [GIT] #
+ .* #
+ \x7F # End of description
+ )
+ ( .* \x01 ) # 2: Exact group
+ /${1}PL_$2/mgx) { # Add PL_
+ $chars = chomp;
+ s/^((\n.+,)\d+)/ $2 . (length($_) - length($1) - 1) /e;
+ $_ .= ("\f" x $chars);
+ }' TAGS.tmp > TAGS.tm1 && mv TAGS.tm1 TAGS.tmp
+
+
+# Now remove these Perl_, add empty- and perl_-flavors:
+perl -w014pe 'if (s/^(Perl_ # 1: First group
+ (\w+) \( # 2: Stripped name
+ \x7F # End of description
+ ) # End of description
+ (\d+,\d+\n) # 3: TAGS Trail
+ /$1$3$1$2\x01$3$1perl_$2\x01$3/mgx) { # Repeat, add empty and perl_ flavors
+ $chars = chomp;
+ s/^((\n.+,)\d+)/ $2 . (length($_) - length($1) - 1) /e;
+ $_ .= ("\f" x $chars);
+ }' TAGS.tmp > TAGS.tm1 && mv TAGS.tm1 TAGS.tmp
+
+# Now remove these S_, add empty-flavor:
+perl -w014pe 'if (s/^(S_ # 1: First group
+ (\w+) \( # 2: Stripped name
+ \x7F # End of description
+ ) # End of description
+ (\d+,\d+\n) # 3: TAGS Trail
+ /$1$3$1$2\x01$3/mgx) { # Repeat, add empty_ flavor
+ $chars = chomp;
+ s/^((\n.+,)\d+)/ $2 . (length($_) - length($1) - 1) /e;
+ $_ .= ("\f" x $chars);
+ }' TAGS.tmp > TAGS.tm1 && mv TAGS.tm1 TAGS.tmp
+
etags -o TAGS.tmp -a -D -l none -r '/#define.*\t\(Perl_.*\)/\1/' embed.h
+etags -o TAGS.tmp -a globals.c embedvar.h objXSUB.h perlapi.c perlapi.h
+
+# The above processes created a lot of descriptions with an
+# an explicitly specified tag. Such descriptions have higher
+# precedence than descriptions without an explicitely specified tag.
+# To restore the justice, make all the descriptions explicit.
+perl -w014pe 'if (s/^( [^\n\x7F\x01]*\b # 1: TAG group
+ (\w+) # 2: word
+ [^\w\x7F\x01\n]* # Most anything
+ \x7F # End of description
+ )
+ (\d+,\d+\n) # 3: TAGS Trail
+ /$1$2\x01$3/mgx) { # Add specific marking
+ $chars = chomp;
+ s/^((\n.+,)\d+)/ $2 . (length($_) - length($1) - 1) /e;
+ $_ .= ("\f" x $chars);
+ }' TAGS.tmp > TAGS.tm1 && mv TAGS.tm1 TAGS.tmp
# Add MODULE lines to TAG files (to be postprocessed later),
# and BOOT: lines (in DynaLoader processed twice?)
# $xsfiles
etags -o TAGS.tmp -a "$@" $subdirfiles
+etags -o TAGS.tmp -a "$@" $subdirfiles1
-if ! test -f emacs/cperl-mode.elc ; then
+if test ! -f emacs/cperl-mode.elc ; then
( cd emacs; emacs -batch -q -no-site-file -f batch-byte-compile cperl-mode.el )
fi