Annotation of gforth/kernel/files.fs, revision 1.15
1.1 anton 1: \ File specifiers 11jun93jaw
2:
1.14 anton 3: \ Copyright (C) 1995,1996,1997,1998,2000 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:
39: : push-file ( -- ) r>
1.13 pazsan 40: #fill-bytes @ >r
41: loadline @ >r
42: loadfile @ >r
43: blk @ >r
44: tibstack @ >r
45: >tib @ >r
46: #tib @ >r
47: >in @ >r >r
1.3 pazsan 48: >tib @ tibstack @ = IF #tib @ tibstack +! THEN
49: tibstack @ >tib ! ;
1.1 anton 50:
51: : pop-file ( throw-code -- throw-code )
52: dup IF
53: source >in @ sourceline# sourcefilename
54: error-stack dup @ dup 1+
55: max-errors 1- min error-stack !
56: 6 * cells + cell+
57: 5 cells bounds swap DO
58: I !
59: -1 cells +LOOP
60: THEN
61: r>
1.13 pazsan 62: r> >in !
63: r> #tib !
64: r> >tib !
65: r> tibstack !
66: r> blk !
67: r> loadfile !
68: r> loadline !
69: r> #fill-bytes ! >r ;
1.1 anton 70:
71: : read-loop ( i*x -- j*x )
72: BEGIN refill WHILE interpret REPEAT ;
73:
1.10 anton 74: : include-file1 ( i*x wfileid -- j*x ior1 ior2 )
1.6 crook 75: \G Interpret (process using the text interpreter) the contents of
1.7 crook 76: \G the file @var{wfileid}.
1.4 anton 77: push-file loadfile !
78: 0 loadline ! blk off ['] read-loop catch
79: loadfile @ close-file swap 2dup or
1.10 anton 80: pop-file drop ;
81:
82: : include-file2 ( i*x wfileid -- j*x )
83: \ like include-file, but does not update loadfile#
84: include-file1 throw throw ;
1.1 anton 85:
1.10 anton 86: : include-file ( i*x wfileid -- j*x ) \ file
87: loadfilename# @ >r
88: 3 loadfilename# ! \ "\a file/"
89: include-file1
90: r> loadfilename# !
91: throw throw ;
92:
1.1 anton 93: \ additional words only needed if there is file support
94:
1.2 jwilke 95: Warnings off
96:
1.1 anton 97: : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren
98: loadfile @ 0= IF postpone ( EXIT THEN
99: BEGIN
100: >in @
101: [char] ) parse nip
102: >in @ rot - = \ is there no delimter?
103: WHILE
104: refill 0=
105: IF
106: warnings @
107: IF
108: ." warning: ')' missing" cr
109: THEN
110: EXIT
111: THEN
112: REPEAT ; immediate
113:
1.2 jwilke 114: Warnings on
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