1: \ File specifiers 11jun93jaw
2:
3: \ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.
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
19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
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
24:
25: : bin ( fam1 -- fam2 ) \ file
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
35: newline r> write-file ;
36:
37: \ include-file 07apr93py
38:
39: has? new-input 0= [IF]
40: : push-file ( -- ) r>
41: #fill-bytes @ >r
42: loadline @ >r
43: loadfile @ >r
44: blk @ >r
45: tibstack @ >r
46: >tib @ >r
47: #tib @ >r
48: >in @ >r >r
49: >tib @ tibstack @ = IF #tib @ tibstack +! THEN
50: tibstack @ >tib ! ;
51:
52: : pop-file ( throw-code -- throw-code )
53: dup IF
54: source >in @ sourceline# sourcefilename >error
55: THEN
56: r>
57: r> >in !
58: r> #tib !
59: r> >tib !
60: r> tibstack !
61: r> blk !
62: r> loadfile !
63: r> loadline !
64: r> #fill-bytes ! >r ;
65:
66: : read-loop ( i*x -- j*x )
67: BEGIN refill WHILE interpret REPEAT ;
68:
69: : include-file1 ( i*x wfileid -- j*x ior1 ior2 )
70: \G Interpret (process using the text interpreter) the contents of
71: \G the file @var{wfileid}.
72: push-file loadfile !
73: 0 loadline ! blk off ['] read-loop catch
74: loadfile @ close-file swap 2dup or
75: pop-file drop ;
76:
77: : include-file2 ( i*x wfileid -- j*x )
78: \ like include-file, but does not update loadfile#
79: include-file1 throw throw ;
80:
81: : include-file ( i*x wfileid -- j*x ) \ file
82: loadfilename# @ >r
83: 3 loadfilename# ! \ "*a file*"
84: include-file1
85: r> loadfilename# !
86: throw throw ;
87: [THEN]
88:
89: \ additional words only needed if there is file support
90:
91: Redefinitions-start
92:
93: : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren
94: loadfile @ 0= IF postpone ( EXIT THEN
95: BEGIN
96: >in @
97: [char] ) parse nip
98: >in @ rot - = \ is there no delimter?
99: WHILE
100: refill 0=
101: IF
102: warnings @
103: IF
104: ." warning: ')' missing" cr
105: THEN
106: EXIT
107: THEN
108: REPEAT ; immediate
109:
110: Redefinitions-end
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