Annotation of gforth/kernel/files.fs, revision 1.25
1.1 anton 1: \ File specifiers 11jun93jaw
2:
1.24 anton 3: \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006 Free Software Foundation, Inc.
1.1 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
1.25 ! anton 9: \ as published by the Free Software Foundation, either version 3
1.1 anton 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
1.25 ! anton 18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1 anton 19:
1.9 anton 20: 4 Constant w/o ( -- fam ) \ file w-o
21: 2 Constant r/w ( -- fam ) \ file r-w
22: 0 Constant r/o ( -- fam ) \ file r-o
1.1 anton 23:
1.9 anton 24: : bin ( fam1 -- fam2 ) \ file
1.1 anton 25: 1 or ;
26:
27: \ BIN WRITE-LINE 11jun93jaw
28:
29: : write-line ( c-addr u fileid -- ior ) \ file
30: dup >r write-file
31: ?dup IF
32: r> drop EXIT
33: THEN
1.8 anton 34: newline r> write-file ;
1.1 anton 35:
36: \ include-file 07apr93py
37:
1.16 pazsan 38: has? new-input 0= [IF]
1.21 anton 39: : loadfilename>r ( addr1 u1 -- R: addr2 u2 )
40: r> loadfilename 2@ 2>r >r
41: loadfilename 2! ;
42:
43: : r>loadfilename ( R: addr u -- )
44: r> 2r> loadfilename 2! >r ;
45:
1.1 anton 46: : push-file ( -- ) r>
1.13 pazsan 47: #fill-bytes @ >r
48: loadline @ >r
49: loadfile @ >r
50: blk @ >r
51: tibstack @ >r
52: >tib @ >r
53: #tib @ >r
54: >in @ >r >r
1.3 pazsan 55: >tib @ tibstack @ = IF #tib @ tibstack +! THEN
56: tibstack @ >tib ! ;
1.1 anton 57:
58: : pop-file ( throw-code -- throw-code )
59: dup IF
1.23 anton 60: input-error-data >error
1.1 anton 61: THEN
62: r>
1.13 pazsan 63: r> >in !
64: r> #tib !
65: r> >tib !
66: r> tibstack !
67: r> blk !
68: r> loadfile !
69: r> loadline !
70: r> #fill-bytes ! >r ;
1.1 anton 71:
72: : read-loop ( i*x -- j*x )
73: BEGIN refill WHILE interpret REPEAT ;
74:
1.10 anton 75: : include-file1 ( i*x wfileid -- j*x ior1 ior2 )
1.6 crook 76: \G Interpret (process using the text interpreter) the contents of
1.7 crook 77: \G the file @var{wfileid}.
1.4 anton 78: push-file loadfile !
79: 0 loadline ! blk off ['] read-loop catch
80: loadfile @ close-file swap 2dup or
1.10 anton 81: pop-file drop ;
82:
83: : include-file2 ( i*x wfileid -- j*x )
84: \ like include-file, but does not update loadfile#
85: include-file1 throw throw ;
1.1 anton 86:
1.10 anton 87: : include-file ( i*x wfileid -- j*x ) \ file
1.21 anton 88: s" *a file*" loadfilename>r
1.10 anton 89: include-file1
1.21 anton 90: r>loadfilename
1.10 anton 91: throw throw ;
1.16 pazsan 92: [THEN]
1.10 anton 93:
1.1 anton 94: \ additional words only needed if there is file support
95:
1.17 jwilke 96: Redefinitions-start
1.2 jwilke 97:
1.1 anton 98: : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren
99: loadfile @ 0= IF postpone ( EXIT THEN
100: BEGIN
101: >in @
102: [char] ) parse nip
103: >in @ rot - = \ is there no delimter?
104: WHILE
105: refill 0=
106: IF
107: warnings @
108: IF
109: ." warning: ')' missing" cr
110: THEN
111: EXIT
112: THEN
113: REPEAT ; immediate
114:
1.17 jwilke 115: Redefinitions-end
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>