version 1.8, 1999/05/17 14:55:50
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version 1.17, 2000/09/23 15:06:10
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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 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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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 ," *a file*" dup c@ swap 1 + swap |
here ," #terminal#" dup c@ swap 1 + swap , A, here 2 cells - |
here ," *a block*" dup c@ swap 1 + swap |
create image-included-files 1 , A, ( pointer to and count of included files ) |
here ," *evaluated string*" dup c@ swap 1 + swap |
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here ," *the terminal*" dup c@ swap 1 + swap |
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, A, , A, , A, , A, here 8 cells - |
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create image-included-files 4 , 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 ) |
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\G a-addr 2@ produces the current file name ( 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 |
loadfilename 2@ ; |
\G whole seesion (but not across @code{savesystem} etc.). |
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loadfilename# @ loadfilename#>str ; |
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: sourceline# ( -- u ) \ gforth sourceline-number |
: sourceline# ( -- u ) \ gforth sourceline-number |
\G The line number of the line that is currently being interpreted |
\G The line number of the line that is currently being interpreted |
Line 47 create image-included-files 1 , A, ( po
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Line 47 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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: included? ( c-addr u -- f ) \ gforth |
: included? ( c-addr u -- f ) \ gforth |
\G True only if the file @var{c-addr u} is in the list of earlier |
\G True only if the file @var{c-addr u} is in the list of earlier |
\G included files. If the file has been loaded, it may have been |
\G included files. If the file has been loaded, it may have been |
\G specified as, say, foo.fs and found somewhere on the Forth |
\G specified as, say, @file{foo.fs} and found somewhere on the |
\G search path. To return true from @code{included?}, you must |
\G Forth search path. To return @code{true} from @code{included?}, |
\G specify the exact path to the file, even if that is |
\G you must specify the exact path to the file, even if that is |
\G @code{./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 compare 0= |
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Line 80 create image-included-files 1 , A, ( po
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loadfilename# @ >r |
loadfilename# @ >r |
save-mem add-included-file ( file-id ) |
save-mem add-included-file ( file-id ) |
included-files 2@ nip 1- loadfilename# ! |
included-files 2@ nip 1- loadfilename# ! |
['] include-file catch |
['] include-file2 catch |
r> loadfilename# ! |
r> loadfilename# ! |
throw ; |
throw ; |
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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 |
: .modules |
\ \G list the names of the files that have been @code{included} |
cr |
\ cr |
needs^ @ |
\ needs^ @ |
BEGIN dup |
\ BEGIN dup |
WHILE dup cell+ count type cr |
\ WHILE dup cell+ count type cr |
5 spaces |
\ 5 spaces |
dup cell+ count + aligned |
\ dup cell+ count + aligned |
@ dup IF count type ELSE drop THEN cr |
\ @ dup IF count type ELSE drop THEN cr |
@ |
\ @ |
REPEAT |
\ REPEAT |
drop ; |
\ drop ; |
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: loadfilename#>str ( n -- adr len ) |
\ : loadfilename#>str ( n -- adr len ) |
\ this converts the filenumber into the string |
\ \ this converts the filenumber into the string |
loadfilenamecount @ swap - |
\ loadfilenamecount @ swap - |
needs^ @ |
\ needs^ @ |
swap 0 ?DO dup 0= IF LEAVE THEN @ LOOP |
\ swap 0 ?DO dup 0= IF LEAVE THEN @ LOOP |
dup IF cell+ count ELSE drop s" NOT FOUND" THEN ; |
\ dup IF cell+ count ELSE drop s" NOT FOUND" THEN ; |
[THEN] |
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: loadfilename#>str ( n -- adr len ) |
: loadfilename#>str ( n -- adr len ) |
included-files 2@ drop swap 2* cells + 2@ ; |
included-files 2@ drop swap 2* cells + 2@ ; |
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: .modules |
: .strings ( addr u -- ) \ gforth |
included-files 2@ 2* cells bounds ?DO |
\G list the strings from an array of string descriptors at addr |
cr I 2@ type 2 cells +LOOP ; |
\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 |
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\G list the names of the files that have been @code{included} |
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included-files 2@ .strings ; |
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\ contains tools/newrequire.fs |
\ contains tools/newrequire.fs |
\ \I $Id$ |
\ \I $Id$ |
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