191 lines
4.3 KiB
Bash
Executable File
191 lines
4.3 KiB
Bash
Executable File
#!/bin/sh -e
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# Make certain that the script is not running in an internationalized
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# environment.
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LANG=C ; export LANG
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LC_ALL=C ; export LC_ALL
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if test $# -ne 3
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then
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echo "Usage: $0 <h|inc> <observer.texi> <observer.out>" 1>&2
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exit 0
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fi
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lang=$1 ; shift
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texi=$1 ; shift
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o=$1
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case $lang in
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h) tmp=htmp ;;
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inc) tmp=itmp ;;
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esac
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otmp="`echo $1 | sed -e 's,\.[^.]*$,,'`.$tmp"; shift
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echo "Creating ${otmp}" 1>&2
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rm -f ${otmp}
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# Can use any of the following: cat cmp cp diff echo egrep expr false
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# grep install-info ln ls mkdir mv pwd rm rmdir sed sleep sort tar
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# test touch true
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cat <<EOF >>${otmp}
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/* GDB Notifications to Observers.
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Copyright (C) 2004-2005, 2007-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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--
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This file was generated using observer.sh and observer.texi. */
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EOF
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case $lang in
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h) cat <<EOF >>${otmp}
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#ifndef OBSERVER_H
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#define OBSERVER_H
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struct observer;
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struct bpstats;
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struct so_list;
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struct objfile;
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struct thread_info;
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struct inferior;
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EOF
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;;
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esac
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# We are about to set IFS=:, so DOS-style file names with a drive
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# letter and a colon will be in trouble.
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if test -n "$DJGPP"
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then
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texi=`echo $texi | sed -e 's,^\([a-zA-Z]\):/,/dev/\1/,'`
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fi
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# generate a list of events that can be observed
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IFS=:
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sed -n '
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/@deftypefun void/{
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# Save original line for later processing into the actual parameter
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h
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# Convert from: @deftypefun void EVENT (TYPE @var{PARAM},...)
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# to event and formals: EVENT:TYPE PARAM, ...:
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s/^.* void \([a-z_][a-z_]*\) (\(.*\))$/\1:\2/
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s/@var{//g
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s/}//g
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# Switch to held
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x
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# Convert from: @deftypefun void FUNC (TYPE @var{PARAM},...)
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# to actuals: PARAM, ...
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s/^[^{]*[{]*//
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s/[}]*[^}]*$//
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s/}[^{]*{/, /g
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# Combine held (EVENT:TYPE PARAM, ...:) and pattern (PARAM, ...) into
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# FUNC:TYPE PARAM, ...:PARAM, ...
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H
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x
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s/\n/:/g
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p
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}
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' $texi | while read event formal actual
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do
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case $lang in
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h) cat <<EOF >>${otmp}
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/* ${event} notifications. */
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typedef void (observer_${event}_ftype) (${formal});
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extern struct observer *observer_attach_${event} (observer_${event}_ftype *f);
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extern void observer_detach_${event} (struct observer *observer);
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extern void observer_notify_${event} (${formal});
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EOF
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;;
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inc)
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cat <<EOF >>${otmp}
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/* ${event} notifications. */
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static struct observer_list *${event}_subject = NULL;
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EOF
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if test "$formal" != "void"; then
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cat<<EOF >>${otmp}
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struct ${event}_args { `echo "${formal}" | sed -e 's/,/;/g'`; };
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EOF
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fi
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cat <<EOF >>${otmp}
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static void
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observer_${event}_notification_stub (const void *data, const void *args_data)
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{
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observer_${event}_ftype *notify = (observer_${event}_ftype *) data;
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const struct ${event}_args *args = args_data;
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notify (`echo ${actual} | sed -e 's/\([a-z0-9_][a-z0-9_]*\)/args->\1/g'`);
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}
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struct observer *
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observer_attach_${event} (observer_${event}_ftype *f)
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{
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return generic_observer_attach (&${event}_subject,
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&observer_${event}_notification_stub,
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(void *) f);
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}
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void
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observer_detach_${event} (struct observer *observer)
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{
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generic_observer_detach (&${event}_subject, observer);
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}
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void
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observer_notify_${event} (${formal})
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{
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EOF
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if test "$formal" != "void"; then
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cat<<EOF >>${otmp}
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struct ${event}_args args;
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`echo ${actual} | sed -e 's/\([a-z0-9_][a-z0-9_]*\)/args.\1 = \1/g'`;
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EOF
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else
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echo "char *args = NULL;" >> ${otmp}
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fi
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cat<<EOF >>${otmp}
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if (observer_debug)
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fprintf_unfiltered (gdb_stdlog, "observer_notify_${event}() called\n");
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generic_observer_notify (${event}_subject, &args);
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}
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EOF
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;;
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esac
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done
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case $lang in
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h) cat <<EOF >>${otmp}
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#endif /* OBSERVER_H */
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EOF
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esac
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echo Moving ${otmp} to ${o}
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mv ${otmp} ${o}
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