| 1 | #!/usr/bin/tclsh8.2 |
| 2 | |
| 3 | # This [sub]program is Copyright (C) 1997-1999 Ian Jackson |
| 4 | # |
| 5 | # This program is free software; you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation; either version 2, or (at your option) |
| 8 | # any later version. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License |
| 16 | # along with this program; if not, write to the Free Software Foundation, |
| 17 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | # |
| 19 | # $Id: asynch.tcl,v 1.1 2000-08-14 21:09:51 ijackson Exp $ |
| 20 | |
| 21 | proc asynch_startcmd {} { |
| 22 | global asynch_sofar |
| 23 | set asynch_sofar {} |
| 24 | puts -nonewline "% " |
| 25 | flush stdout |
| 26 | } |
| 27 | |
| 28 | proc morecmd {} { |
| 29 | global asynch_sofar asynch_result asynch_code errorInfo |
| 30 | set r [read -nonewline stdin] |
| 31 | if {[eof stdin]} { |
| 32 | fconfigure stdin -blocking true |
| 33 | puts -nonewline "\n" |
| 34 | exit 0 |
| 35 | } |
| 36 | append asynch_sofar $r |
| 37 | if {[info complete $asynch_sofar]} { |
| 38 | uplevel #0 {set asynch_code [catch $asynch_sofar asynch_result]} |
| 39 | if {$asynch_code} { |
| 40 | puts "** $errorInfo" |
| 41 | flush stdout |
| 42 | } elseif {[string length $asynch_result]} { |
| 43 | puts "=> $asynch_result" |
| 44 | } |
| 45 | flush stdout |
| 46 | asynch_startcmd |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | if {[llength $argv] && "[lindex $argv 0]" == "-d"} { |
| 51 | set tcl_traceExec 1 |
| 52 | set argv [lreplace $argv 0 0] |
| 53 | } elseif {[llength $argv] && "[lindex $argv 0]" == "-dd"} { |
| 54 | set tcl_traceExec 2 |
| 55 | set argv [lreplace $argv 0 0] |
| 56 | } |
| 57 | |
| 58 | if {[llength $argv] && |
| 59 | [regexp {^-a(\d+)$} [lindex $argv 0] asynch_dummy asynch_appdebug]} { |
| 60 | set argv [lreplace $argv 0 0] |
| 61 | } |
| 62 | |
| 63 | if {[llength $argv]} { |
| 64 | set asynch_script [lindex $argv 0] |
| 65 | set argv [lreplace $argv 0 0] |
| 66 | source $asynch_script |
| 67 | } |
| 68 | |
| 69 | asynch_startcmd |
| 70 | fileevent stdin readable morecmd |
| 71 | fconfigure stdin -blocking false |
| 72 | vwait asynch_quitting |