Diff for /gforth/lib.fs between versions 1.6 and 1.24

version 1.6, 2003/03/09 15:16:50 version 1.24, 2008/04/22 14:50:59
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 \ lib.fs        shared library support package          11may97py  \ lib.fs        shared library support package          11may97py
   
 \ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ 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, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 Create icall-table  s" libavcall.so"     open-lib 0<>
     ] icall0 ;s icall1 ;s icall2 ;s icall3 ;s icall4 ;s icall5 ;s icall6 ;s  s" libcallback.so"   open-lib 0<> and
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  s" libvacall.so"     open-lib 0<> and
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  icall20 ;s [  s" libtrampoline.so" open-lib 0<> and [if]
 Create fcall-table      .( including fflib.fs [ffcall] )
     ] fcall0 ;s fcall1 ;s fcall2 ;s fcall3 ;s fcall4 ;s fcall5 ;s fcall6 ;s      include fflib.fs
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  [ELSE]
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  fcall20 ;s [      s" libffi" open-lib [if]
           .( including libffi.fs )
 Variable libs 0 libs !          include libffi.fs
 \G links between libraries      [ELSE]
           .( Neither libffi nor ffcall are available ) cr
 : @lib ( lib -- )          abort
     \G obtains library handle          .( Using oldlib.fs; incompatible with fflib.fs and libffi.fs) cr
     cell+ dup 2 cells + count open-lib          include oldlib.fs
     dup 0= abort" Library not found" swap ! ;      [THEN]
   [THEN]
 : @proc ( lib addr -- )  
     \G obtains symbol address  \ testing stuff
     cell+ tuck 2 cells + count rot cell+ @  
     lib-sym  dup 0= abort" Proc not found!" swap cell+ ! ;  [IFUNDEF] libc
       s" os-type" environment? [IF]
 : proc, ( pars type lib addr -- )          2dup s" linux-gnu" str= [IF]  2drop
     \G allocates and initializes proc stub              library libc libc.so.6
     \G stub format:          [ELSE] 2dup s" cygwin" str= [IF]  2drop
     \G    linked list in library                  library libc cygwin1.dll
     \G    address of proc              [ELSE]  2dup s" bsd" search nip nip [IF]  2drop
     \G    offset in lcall1-table to call proc                      library libc libc.so
     \G    OS name of symbol as counted string                  [ELSE]  2dup s" darwin" string-prefix? [IF]  2drop
     here 2dup swap 2 cells + dup @ A, !                          library libc libc.dylib
     2swap  1 and  IF  fcall-table  ELSE  icall-table  THEN  swap                      [ELSE]  2drop \ or add your stuff here
     cells 2* + , 0 , bl sword string, @proc ;                      [THEN]
                   [THEN]
 -1 Constant (addr)              [THEN]
  0 Constant (int)          [THEN]
  1 Constant (float)      [THEN]
  2 Constant (void)  [THEN]
  4 Constant (int...)  
  5 Constant (float...)  [ifdef] testing
  6 Constant (void...)  
   library libc libc.so.6
 : proc:  ( pars type lib "name" "string" -- )                  
     \G Creates a named proc stub  libc sleep int (int) sleep
     Create proc,  libc open  ptr int int (int) open
 DOES> ( x1 .. xn -- r )  libc lseek int llong int (llong) lseek64
     cell+ 2@ >r ;  libc read  int ptr int (int) read
   libc close int (int) close
 : vaproc:  ( pars type lib "name" "string" -- )  
     \G Creates a named proc stub with variable arguments  library libm libm.so.6
     Create proc,  
 DOES> ( x1 .. xn n -- r )  libm fmodf sf sf (sf) fmodf
     cell+ 2@ rot 2* cells + >r ;  libm fmod  df df (fp) fmod
   
 : (>void)  >r ;  \ example for a windows callback
       
 : vproc:  ( pars type lib "name" "string" -- )  callback wincall (int) int int int int callback;
     \G Creates a named proc stub for void functions  
     Create proc,  :noname ( a b c d -- e )  2drop 2drop 0 ; wincall do_timer
 DOES> ( x1 .. xn -- )  
     cell+ 2@ (>void) drop ;  \ test a callback
   
 : vvaproc:  ( pars type lib "name" "string" -- )  callback 2:1 (int) int int callback;
     \G Creates a named proc stub with variable arguments, void return  
     Create proc,  : cb-test ( a b -- c )
 DOES> ( x1 .. xn n -- )      cr ." Testing callback"
     cell+ 2@ rot 2* cells + (>void) drop ;      cr ." arguments: " .s
       cr ." result " + .s cr ;
 : label: ( type lib "name" "string" -- )  ' cb-test 2:1 c_plus
     \G Creates a named label stub  
     -1 -rot Create proc,  fptr 2:1call int int (int)
 DOES> ( -- addr )  
     [ 2 cells ] Literal + @ ;  : test  c_plus 2:1call ;
   
 : library ( "name" "file" -- )  \ 3 4 test
     \G loads library "file" and creates a proc defining word "name"  
     \G library format:  \ bigFORTH legacy library test
     \G    linked list of libraries  
     \G    library handle  library libX11 libX11.so.6
     \G    linked list of library's procs  
     \G    OS name of library as counted string  
     Create  here libs @ A, dup libs !  
     0 , 0 A, bl sword string, @lib  
 DOES> ( pars/ type -- )  
     over -1 = IF  label:  
     ELSE  
         over 4 and IF  
             over 2 and IF  vvaproc:  ELSE  vaproc:  THEN  
         ELSE  
             over 2 and IF  vproc:  ELSE  proc:  THEN  
         THEN  
     THEN ;  
   
 : init-shared-libs ( -- )  
     defers 'cold  libs  
     0  libs  BEGIN  @ dup  WHILE  dup  REPEAT  drop  
     BEGIN  dup  WHILE  >r  
         r@ @lib  
         r@ 2 cells +  BEGIN  @ dup  WHILE  r@ over @proc  REPEAT  
         drop rdrop  
     REPEAT  drop ;  
   
 ' init-shared-libs IS 'cold  legacy on
   
   1 libX11 XOpenDisplay XOpenDisplay    ( name -- dpy )
   5 libX11 XInternAtoms XInternAtoms    ( atoms flag count names dpy -- status )
   
   legacy off
   
   [then]    

Removed from v.1.6  
changed lines
  Added in v.1.24


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