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0980ee40 IJ |
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 |