Annotation of gforth/ec/nesting.fs, revision 1.4
1.1 pazsan 1: \ nesting.fs displays nesting for primitive trace 12jun97jaw
2:
1.4 ! anton 3: \ Copyright (C) 1998,2000 Free Software Foundation, Inc.
1.2 anton 4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
1.3 anton 19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.2 anton 20:
1.1 pazsan 21: Variable nestlevel
22:
23: : main
24: cr
25: 0 nestlevel !
26: BEGIN
27: key dup 9 u> WHILE
28: dup
29: CASE ': OF cr nestlevel @ spaces 1 nestlevel +! emit ENDOF
30: '; OF cr -1 nestlevel +! nestlevel @ spaces emit
31: cr nestlevel @ spaces ENDOF
32: dup OF dup 31 u> IF emit THEN ENDOF
33: ENDCASE
34: REPEAT drop bye ;
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