Annotation of gforth/kernel/files.fs, revision 1.22
1.1 anton 1: \ File specifiers 11jun93jaw
2:
1.22 ! anton 3: \ Copyright (C) 1995,1996,1997,1998,2000,2003 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
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
1.15 anton 19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 20:
1.9 anton 21: 4 Constant w/o ( -- fam ) \ file w-o
22: 2 Constant r/w ( -- fam ) \ file r-w
23: 0 Constant r/o ( -- fam ) \ file r-o
1.1 anton 24:
1.9 anton 25: : bin ( fam1 -- fam2 ) \ file
1.1 anton 26: 1 or ;
27:
28: \ BIN WRITE-LINE 11jun93jaw
29:
30: : write-line ( c-addr u fileid -- ior ) \ file
31: dup >r write-file
32: ?dup IF
33: r> drop EXIT
34: THEN
1.8 anton 35: newline r> write-file ;
1.1 anton 36:
37: \ include-file 07apr93py
38:
1.16 pazsan 39: has? new-input 0= [IF]
1.21 anton 40: : loadfilename>r ( addr1 u1 -- R: addr2 u2 )
41: r> loadfilename 2@ 2>r >r
42: loadfilename 2! ;
43:
44: : r>loadfilename ( R: addr u -- )
45: r> 2r> loadfilename 2! >r ;
46:
1.1 anton 47: : push-file ( -- ) r>
1.13 pazsan 48: #fill-bytes @ >r
49: loadline @ >r
50: loadfile @ >r
51: blk @ >r
52: tibstack @ >r
53: >tib @ >r
54: #tib @ >r
55: >in @ >r >r
1.3 pazsan 56: >tib @ tibstack @ = IF #tib @ tibstack +! THEN
57: tibstack @ >tib ! ;
1.1 anton 58:
59: : pop-file ( throw-code -- throw-code )
60: dup IF
1.16 pazsan 61: source >in @ sourceline# sourcefilename >error
1.1 anton 62: THEN
63: r>
1.13 pazsan 64: r> >in !
65: r> #tib !
66: r> >tib !
67: r> tibstack !
68: r> blk !
69: r> loadfile !
70: r> loadline !
71: r> #fill-bytes ! >r ;
1.1 anton 72:
73: : read-loop ( i*x -- j*x )
74: BEGIN refill WHILE interpret REPEAT ;
75:
1.10 anton 76: : include-file1 ( i*x wfileid -- j*x ior1 ior2 )
1.6 crook 77: \G Interpret (process using the text interpreter) the contents of
1.7 crook 78: \G the file @var{wfileid}.
1.4 anton 79: push-file loadfile !
80: 0 loadline ! blk off ['] read-loop catch
81: loadfile @ close-file swap 2dup or
1.10 anton 82: pop-file drop ;
83:
84: : include-file2 ( i*x wfileid -- j*x )
85: \ like include-file, but does not update loadfile#
86: include-file1 throw throw ;
1.1 anton 87:
1.10 anton 88: : include-file ( i*x wfileid -- j*x ) \ file
1.21 anton 89: s" *a file*" loadfilename>r
1.10 anton 90: include-file1
1.21 anton 91: r>loadfilename
1.10 anton 92: throw throw ;
1.16 pazsan 93: [THEN]
1.10 anton 94:
1.1 anton 95: \ additional words only needed if there is file support
96:
1.17 jwilke 97: Redefinitions-start
1.2 jwilke 98:
1.1 anton 99: : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren
100: loadfile @ 0= IF postpone ( EXIT THEN
101: BEGIN
102: >in @
103: [char] ) parse nip
104: >in @ rot - = \ is there no delimter?
105: WHILE
106: refill 0=
107: IF
108: warnings @
109: IF
110: ." warning: ')' missing" cr
111: THEN
112: EXIT
113: THEN
114: REPEAT ; immediate
115:
1.17 jwilke 116: Redefinitions-end
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