\ File specifiers 11jun93jaw
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation, either version 3
\ of the License, or (at your option) any later version.
\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\ GNU General Public License for more details.
\ You should have received a copy of the GNU General Public License
\ along with this program. If not, see http://www.gnu.org/licenses/.
4 Constant w/o ( -- fam ) \ file w-o
2 Constant r/w ( -- fam ) \ file r-w
0 Constant r/o ( -- fam ) \ file r-o
: bin ( fam1 -- fam2 ) \ file
1 or ;
\ BIN WRITE-LINE 11jun93jaw
: write-line ( c-addr u fileid -- ior ) \ file
dup >r write-file
?dup IF
r> drop EXIT
THEN
newline r> write-file ;
\ include-file 07apr93py
has? new-input 0= [IF]
: loadfilename>r ( addr1 u1 -- R: addr2 u2 )
r> loadfilename 2@ 2>r >r
loadfilename 2! ;
: r>loadfilename ( R: addr u -- )
r> 2r> loadfilename 2! >r ;
: push-file ( -- ) r>
#fill-bytes @ >r
loadline @ >r
loadfile @ >r
blk @ >r
tibstack @ >r
>tib @ >r
#tib @ >r
>in @ >r >r
>tib @ tibstack @ = IF #tib @ tibstack +! THEN
tibstack @ >tib ! ;
: pop-file ( throw-code -- throw-code )
dup IF
input-error-data >error
THEN
r>
r> >in !
r> #tib !
r> >tib !
r> tibstack !
r> blk !
r> loadfile !
r> loadline !
r> #fill-bytes ! >r ;
: read-loop ( i*x -- j*x )
BEGIN refill WHILE interpret REPEAT ;
: include-file1 ( i*x wfileid -- j*x ior1 ior2 )
\G Interpret (process using the text interpreter) the contents of
\G the file @var{wfileid}.
push-file loadfile !
0 loadline ! blk off ['] read-loop catch
loadfile @ close-file swap 2dup or
pop-file drop ;
: include-file2 ( i*x wfileid -- j*x )
\ like include-file, but does not update loadfile#
include-file1 throw throw ;
: include-file ( i*x wfileid -- j*x ) \ file
s" *a file*" loadfilename>r
include-file1
r>loadfilename
throw throw ;
[THEN]
\ additional words only needed if there is file support
Redefinitions-start
: ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren
loadfile @ 0= IF postpone ( EXIT THEN
BEGIN
>in @
[char] ) parse nip
>in @ rot - = \ is there no delimter?
WHILE
refill 0=
IF
warnings @
IF
." warning: ')' missing" cr
THEN
EXIT
THEN
REPEAT ; immediate
Redefinitions-end
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