# (``make realclean'' first to avoid generated files, or ``make'' first
# to get tags from all files.)
#
+#
+# usage: sh emacs/ptags <options>
+#
+# options:
+#
+# fullpath - use full paths in TAGS (default: relative to the root)
+#
# (IZ: to be a happier jumper: install 'imenu-go.el' from
# ftp://ftp.math.ohio-state.edu/pub/users/ilya/emacs.)
#
# 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
+case "$1" in
+ fullpath)
+ cwd=`pwd`
+ cperl_add_tags='cperl-add-tags-recurse-noxs-fullpath'
+ echo "Building TAGS with full paths"
+ ;;
+ *)
+ cperl_add_tags='cperl-add-tags-recurse-noxs'
+ cwd='.'
+ echo "Building TAGS with relative paths"
+esac
+
+emacs=`(which emacs || which xemacs) 2>/dev/null`
+[ -x "$emacs" ] || { echo "can't find emacs or xemacs in PATH"; exit 1; }
+
# Insure proper order (.h after .c, .xs before .c in subdirs):
-topfiles="`echo ' ' *.y *.c *.h ' ' | sed 's/ embed.h / /' | sed 's/ globals.c / /'`"
-subdirfiles="`( find ./*/* -name '*.[cy]' -print | sort ; find ./*/* -name '*.[hH]' -print | sort )`"
-xsfiles="`find . -name '*.xs' -print | sort`"
+# Move autogenerated less-informative files to the end:
+# Hard to do embed.h and embedvar.h in one sweep:
-# etags -d : process defineds too (default now)
+topfiles="`echo ' ' *.y *.c *.h ' ' | sed 's/ / /g' | sed 's/ embedvar\.h\|embed\.h\|perlapi\.h\|os2ish\.h\|\(globals\|perlapi\| os2\)\.c / /g'| sed "s#\(^\| \)\([^ ]\)#\1$cwd/\2#g"`"
+subdirs="`find $cwd/* -maxdepth 0 -type d`"
+subdirfiles="`find $subdirs -name '*.[cy]' -print | sort`"
+subdirfiles1="`find $subdirs -name '*.[hH]' -print | sort`"
+xsfiles="`find $cwd/ -name '*.xs' -print | sort`"
+
+# 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
# Process lines like this: #define MEM_ALIGNBYTES $alignbytes /**/
etags -o TAGS.tmp \
-l none -r '/#\(\$[a-zA-Z_0-9]+\|define\)[ \t]+\([a-zA-Z_0-9]+\)/\2/' \
- config_h.SH
+ $cwd/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/' $cwd/Porting/Glossary
+
etags -o TAGS.tmp -a "$@" $topfiles
-etags -o TAGS.tmp -a -D -l none -r '/#define.*\t\(Perl_.*\)/\1/' embed.h
-etags -o TAGS.tmp -a globals.c
-perl -w014pe 'if (s/^( [^\n\x7F\x1]*\b # 1: TAG group
+# 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/' $cwd/embed.h
+etags -o TAGS.tmp -a $cwd/globals.c $cwd/embedvar.h $cwd/perlapi.c $cwd/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\x7X\x1\n]* # Most anything
+ [^\w\x7F\x01\n]* # Most anything
\x7F # End of description
)
(\d+,\d+\n) # 3: TAGS Trail
- /$1$2\x1$3/mgx) { # Add specific marking
+ /$1$2\x01$3/mgx) { # Add specific marking
$chars = chomp;
s/^((\n.+,)\d+)/ $2 . (length($_) - length($1) - 1) /e;
$_ .= ("\f" x $chars);
# $xsfiles
etags -o TAGS.tmp -a "$@" $subdirfiles
+etags -o TAGS.tmp -a "$@" $subdirfiles1
if test ! -f emacs/cperl-mode.elc ; then
- ( cd emacs; emacs -batch -q -no-site-file -f batch-byte-compile cperl-mode.el )
+ ( cd emacs; $emacs -batch -q -no-site-file -f batch-byte-compile cperl-mode.el )
fi
# This should work with newer Emaxen
cp TAGS.tmp TAGS
-if emacs -batch -q -no-site-file -l emacs/cperl-mode.elc -f cperl-add-tags-recurse-noxs ; then
+if $emacs -batch -q -no-site-file -l emacs/cperl-mode.elc -f $cperl_add_tags ; then
mv TAGS TAGS.tmp
fi
projects / p5sagit/p5-mst-13.2.git / blobdiff