Annotation of gforth/smartdots.fs, revision 1.5
1.2 pazsan 1: \ smart .s 09mar2012py
2:
1.4 pazsan 3: \ Copyright (C) 2012 Free Software Foundation, Inc.
1.2 pazsan 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 3
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, see http://www.gnu.org/licenses/.
19:
20: \ idea: Gerald Wodni
1.1 pazsan 21:
22: : addr? ( addr -- flag )
1.2 pazsan 23: TRY @ IFERROR 2drop false nothrow ELSE drop true THEN ENDTRY ;
1.1 pazsan 24:
25: : string? ( addr u -- flag )
26: TRY bounds ?DO I c@ bl < IF -1 throw THEN LOOP
1.2 pazsan 27: IFERROR 2drop drop false nothrow ELSE true THEN ENDTRY ;
1.1 pazsan 28:
29: : .string. ( addr u -- )
1.3 pazsan 30: .\" s\" " type '"' emit space ;
1.1 pazsan 31: : .addr. ( addr -- ) hex. ;
32:
1.2 pazsan 33: Variable smart.s-skip
34:
35: : smart.s. ( n -- )
36: smart.s-skip @ smart.s-skip off IF drop EXIT THEN
1.5 ! pazsan 37: over r> i swap >r -
! 38: dup 1 = IF false ELSE pick 2dup string? THEN IF
1.2 pazsan 39: .string. smart.s-skip on
40: ELSE drop dup addr? IF .addr.
41: ELSE . THEN
42: THEN ;
43:
44: ' smart.s. IS .s.
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