gdbinit: add new regex based parser

Signed-off-by: Masatake YAMATO <[email protected]>

Makefile.in

@@ -121,6 +121,7 @@ PRELOAD_OPTLIB =				\
 	\
 	coffee.ctags				\
 	ctags.ctags				\
+	gdbinit.ctags				\
 	m4.ctags				\
 	mib.ctags				\
 	\

Units/gdbinit-simple.d/args.ctags

@@ -0,0 +1,4 @@
+--options=gdbinit
+--languages=+gdbinit
+--kinds-gdbinit=*
+

Units/gdbinit-simple.d/expected.tags

@@ -0,0 +1,4 @@
+ybuffer-contents	input.gdb	/^define ybuffer-contents$/;"	d
+ybuffer-contents	input.gdb	/^document ybuffer-contents$/;"	D
+yfile_buffers_only	input.gdb	/^set $yfile_buffers_only = 0$/;"	t
+yverbose	input.gdb	/^set $yverbose = 1$/;"	t

Units/gdbinit-simple.d/input.gdb

@@ -0,0 +1,20 @@
+# Taken from /usr/share/emacs/24.5/etc/emacs-buffer.gdb
+
+set main
+set $yverbose = 1
+set $yfile_buffers_only = 0
+
+define ybuffer-contents
+  ydump-buffer $arg0 /dev/stdout
+  if $yverbose && $buf->z_byte <= 1
+    yget-current-buffer-name
+    printf "[Buffer \"%s\" is empty.]\n", $ycurrent_buffer_name
+  else
+    if *($endptr-1) != '\n'
+      echo \n
+    end
+  end
+end
+document ybuffer-contents
+  Write contents of buffer N (numbered according to `ybuffer-list') to stdout.
+end

data/optlib/gdbinit.ctags

@@ -0,0 +1,52 @@
+#
+#
+#  Copyright (c) 2015, Red Hat, Inc.
+#  Copyright (c) 2015, Masatake YAMATO
+#
+#  Author: Masatake YAMATO <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+#
+--langdef=gdbinit
+--languages=-gdbinit
+--map-gdbinit=+(.gdbinit)
+--map-gdbinit=+.gdb
+
+##
+## Ignore comments
+##
+--regex-gdbinit=/^#.*//{exclusive}
+
+##
+## define
+##
+--regex-gdbinit=/^define[[:space:]]+([^[:space:]]+)$/\1/d,definition/
+
+##
+## document
+##
+--regex-gdbinit=/^document[[:space:]]+([^[:space:]]+)$/\1/D,document/{optional}
+
+##
+## set $...
+##
+--regex-gdbinit=/^set[[:space:]]+\$([a-zA-Z0-9_]+)[[:space:]]*=/\1/t,toplevel-variable/
+
+##
+## __...set $...
+##
+--regex-gdbinit=/^[[:space:]]+set[[:space:]]+\$([a-zA-Z0-9_]+)[[:space:]]*=/\1/l,local-variable/{optional}

misc/tinst

@@ -125,6 +125,7 @@ check()
     T_existing /share/ctags/optlib/m4.ctags -f -r
     T_existing /share/ctags/optlib/coffee.ctags -f -r
     T_existing /share/ctags/optlib/ctags.ctags -f -r
+    T_existing /share/ctags/optlib/gdbinit.ctags -f -r
     T_existing /share/ctags/optlib/mib.ctags -f -r
 
     T_existing /share/ctags/preload/default.ctags -f -r