version 1.10, 2000/07/01 07:59:10
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version 1.28, 2003/03/09 15:17:06
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\ require.fs |
\ require.fs |
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\ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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\ Now: Kernel Module, Reloadable |
\ Now: Kernel Module, Reloadable |
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create included-files 0 , 0 , ( pointer to and count of included files ) |
create included-files 0 , 0 , ( pointer to and count of included files ) |
\ here ," ./the terminal" dup c@ swap 1 + swap , A, here 2 cells - |
\ note: these names must not contain a "/" or "\"; otherwise a part of |
\ ./ is confusing for the search path stuff! There should be never a . |
\ that name might be used when expanding "./" (see expandtopic). |
\ in sourcefilename.... |
here ," *somewhere*" dup c@ swap 1 + swap |
here ," #terminal#" dup c@ swap 1 + swap , A, here 2 cells - |
, A, here 2 cells - |
create image-included-files 1 , A, ( pointer to and count of included files ) |
create image-included-files 1 , A, ( pointer to and count of included files ) |
\ included-files points to ALLOCATEd space, while image-included-files |
\ included-files points to ALLOCATEd space, while image-included-files |
\ points to ALLOTed objects, so it survives a save-system |
\ points to ALLOTed objects, so it survives a save-system |
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: loadfilename ( -- a-addr ) \ gforth |
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\G @i{a-addr} @code{2@@} produces the current file name ( @i{c-addr u} ) |
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included-files 2@ loadfilename# @ min 2* cells + ; |
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: sourcefilename ( -- c-addr u ) \ gforth |
: sourcefilename ( -- c-addr u ) \ gforth |
\G The name of the source file which is currently the input |
\G The name of the source file which is currently the input |
\G source. The result is valid only while the file is being |
\G source. The result is valid only while the file is being |
\G loaded. If the current input source is no (stream) file, the |
\G loaded. If the current input source is no (stream) file, the |
\G result is undefined. |
\G result is undefined. In Gforth, the result is valid during the |
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\G whole seesion (but not across @code{savesystem} etc.). |
loadfilename 2@ ; |
loadfilename 2@ ; |
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: sourceline# ( -- u ) \ gforth sourceline-number |
: sourceline# ( -- u ) \ gforth sourceline-number |
Line 47 create image-included-files 1 , A, ( po
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Line 44 create image-included-files 1 , A, ( po
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\G undefined. |
\G undefined. |
loadline @ ; |
loadline @ ; |
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: init-included-files ( -- ) \ gforth |
: init-included-files ( -- ) \ gforth-internal |
\G Clear the list of earlier included files. |
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image-included-files 2@ 2* cells save-mem drop ( addr ) |
image-included-files 2@ 2* cells save-mem drop ( addr ) |
image-included-files 2@ nip included-files 2! ; |
image-included-files 2@ nip included-files 2! ; |
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Line 61 create image-included-files 1 , A, ( po
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Line 57 create image-included-files 1 , A, ( po
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\G @file{./foo.fs} |
\G @file{./foo.fs} |
included-files 2@ 0 |
included-files 2@ 0 |
?do ( c-addr u addr ) |
?do ( c-addr u addr ) |
dup >r 2@ 2over compare 0= |
dup >r 2@ 2over str= |
if |
if |
2drop rdrop unloop |
2drop rdrop unloop |
true EXIT |
true EXIT |
Line 76 create image-included-files 1 , A, ( po
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Line 72 create image-included-files 1 , A, ( po
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2/ cell / included-files 2! |
2/ cell / included-files 2! |
2! ; |
2! ; |
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has? new-input [IF] |
: included1 ( i*x file-id c-addr u -- j*x ) \ gforth |
: included1 ( i*x file-id c-addr u -- j*x ) \ gforth |
\G Include the file file-id with the name given by @var{c-addr u}. |
\G Include the file file-id with the name given by @var{c-addr u}. |
loadfilename# @ >r |
save-mem 2dup add-included-file ( file-id ) |
save-mem add-included-file ( file-id ) |
['] read-loop execute-parsing-named-file ; |
included-files 2@ nip 1- loadfilename# ! |
[ELSE] |
['] include-file catch |
: included1 ( i*x file-id c-addr u -- j*x ) \ gforth |
r> loadfilename# ! |
\G Include the file file-id with the name given by @var{c-addr u}. |
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save-mem 2dup loadfilename>r |
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add-included-file ( file-id ) |
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['] include-file2 catch |
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r>loadfilename |
throw ; |
throw ; |
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[THEN] |
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: included ( i*x c-addr u -- j*x ) \ file |
: included ( i*x c-addr u -- j*x ) \ file |
\G @code{include-file} the file whose name is given by the string |
\G @code{include-file} the file whose name is given by the string |
\G @var{c-addr u}. |
\G @var{c-addr u}. |
Line 117 create image-included-files 1 , A, ( po
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Line 119 create image-included-files 1 , A, ( po
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\G @code{include-file} @var{file} only if it is not included already. |
\G @code{include-file} @var{file} only if it is not included already. |
name required ; |
name required ; |
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0 [IF] |
\ : \I |
: \I |
\ here |
here |
\ 0 word count |
0 word count |
\ string, |
string, |
\ needsrcs^ @ ! ; |
needsrcs^ @ ! ; |
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\ : .included ( -- ) \ gforth |
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\ \G list the names of the files that have been @code{included} |
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\ cr |
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\ needs^ @ |
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\ BEGIN dup |
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\ WHILE dup cell+ count type cr |
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\ 5 spaces |
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\ dup cell+ count + aligned |
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\ @ dup IF count type ELSE drop THEN cr |
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\ @ |
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\ REPEAT |
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\ drop ; |
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: .strings ( addr u -- ) \ gforth |
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\G list the strings from an array of string descriptors at addr |
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\G with u entries, one per line. |
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2* cells bounds ?DO |
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cr I 2@ type 2 cells +LOOP ; |
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: .included ( -- ) \ gforth |
: .included ( -- ) \ gforth |
\G list the names of the files that have been @code{included} |
\G list the names of the files that have been @code{included} |
cr |
included-files 2@ 2 cells under+ 1- .strings ; |
needs^ @ |
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BEGIN dup |
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WHILE dup cell+ count type cr |
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5 spaces |
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dup cell+ count + aligned |
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@ dup IF count type ELSE drop THEN cr |
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@ |
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REPEAT |
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drop ; |
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: loadfilename#>str ( n -- adr len ) |
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\ this converts the filenumber into the string |
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loadfilenamecount @ swap - |
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needs^ @ |
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swap 0 ?DO dup 0= IF LEAVE THEN @ LOOP |
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dup IF cell+ count ELSE drop s" NOT FOUND" THEN ; |
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[THEN] |
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: loadfilename#>str ( n -- adr len ) |
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included-files 2@ drop swap 2* cells + 2@ ; |
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: .included ( -- ) \ gforth |
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\G list the names of the files that have been @code{included} |
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included-files 2@ 2* cells bounds ?DO |
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cr I 2@ type 2 cells +LOOP ; |
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\ contains tools/newrequire.fs |
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\ \I $Id$ |
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