Diff for /gforth/lib.fs between versions 1.2 and 1.34

version 1.2, 1997/12/14 01:15:19 version 1.34, 2008/08/08 20:56:14
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 \ lib.fs        shared library support package          11may97py  \ lib.fs        shared library support package          11may97py
   
 \ Copyright (C) 1995-1997 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008 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., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 Create icall-table  libffi-present [if]
     ] icall0 ;s icall1 ;s icall2 ;s icall3 ;s icall4 ;s icall5 ;s icall6 ;s      require ./libffi.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  icall20 ;s [      ffcall-present [if]
 Create fcall-table          require ./fflib.fs
     ] fcall0 ;s fcall1 ;s fcall2 ;s fcall3 ;s fcall4 ;s fcall5 ;s fcall6 ;s      [else]
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap          .( Neither libffi nor ffcall are configured ) cr
       NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  NIL swap  fcall20 ;s [          .( If you have installed one of them, you can use libffi.fs or fflib.fs directly ) cr
           .( Or you can just use the new, documented and better, but different, libcc.fs ) cr
 Variable libs 0 libs !          abort
 \G links between libraries      [then]
   [then]
 : @lib ( lib -- )  
     \G obtains library handle  \ testing stuff
     cell+ dup 2 cells + count open-lib  
     dup 0= abort" Library not found" swap ! ;  \ [IFUNDEF] libc
   \     s" os-type" environment? [IF]
 : @proc ( lib addr -- )  \       2dup s" linux-gnu" str= [IF]  2drop
     \G obtains symbol address  \           cell 8 = [IF]
     cell+ tuck 2 cells + count rot cell+ @  \               library libc /lib64/libc.so.6 
     lib-sym  dup 0= abort" Proc not found!" swap cell+ ! ;  \           [ELSE]
   \               library libc /lib/libc.so.6
 : proc, ( pars type lib addr -- )  \           [THEN]
     \G allocates and initializes proc stub  \       [ELSE] 2dup s" cygwin" str= [IF]  2drop
     \G stub format:  \               library libc cygwin1.dll
     \G    linked list in library  \           [ELSE]  2dup s" bsd" search nip nip [IF]  2drop
     \G    address of proc  \                   library libc libc.so
     \G    offset in lcall1-table to call proc  \               [ELSE]  2dup s" darwin" string-prefix? [IF]  2drop
     \G    OS name of symbol as counted string  \                       library libc libc.dylib
     here 2dup swap 2 cells + dup @ A, !  \                   [ELSE]  2drop \ or add your stuff here
     2swap  1 and  IF  fcall-table  ELSE  icall-table  THEN  swap  \                   [THEN]
     cells 2* + , 0 , bl parse-word string, @proc ;  \               [THEN]
   \           [THEN]
 -1 Constant (addr)  \       [THEN]
  0 Constant (int)  \     [THEN]
  1 Constant (float)  \ [THEN]
  2 Constant (void)  
  4 Constant (int...)  [ifdef] testing
  5 Constant (float...)  
  6 Constant (void...)  library libc libc.so.6
                   
 : proc:  ( pars type lib "name" "string" -- )  libc sleep int (int) sleep
     \G Creates a named proc stub  libc open  ptr int int (int) open
     Create proc,  libc lseek int llong int (llong) lseek64
 DOES> ( x1 .. xn -- r )  libc read  int ptr int (int) read
     cell+ 2@ >r ;  libc close int (int) close
   
 : vaproc:  ( pars type lib "name" "string" -- )  library libm libm.so.6
     \G Creates a named proc stub with variable arguments  
     Create proc,  libm fmodf sf sf (sf) fmodf
 DOES> ( x1 .. xn n -- r )  libm fmod  df df (fp) fmod
     cell+ 2@ rot 2* cells + >r ;  
   \ example for a windows callback
 : (>void)  >r ;      
   callback wincall (int) int int int int callback;
 : vproc:  ( pars type lib "name" "string" -- )  
     \G Creates a named proc stub for void functions  :noname ( a b c d -- e )  2drop 2drop 0 ; wincall do_timer
     Create proc,  
 DOES> ( x1 .. xn -- )  \ test a callback
     cell+ 2@ (>void) drop ;  
   callback 2:1 (int) int int callback;
 : vvaproc:  ( pars type lib "name" "string" -- )  
     \G Creates a named proc stub with variable arguments, void return  : cb-test ( a b -- c )
     Create proc,      cr ." Testing callback"
 DOES> ( x1 .. xn n -- )      cr ." arguments: " .s
     cell+ 2@ rot 2* cells + (>void) drop ;      cr ." result " + .s cr ;
   ' cb-test 2:1 c_plus
 : label: ( type lib "name" "string" -- )  
     \G Creates a named label stub  fptr 2:1call int int (int)
     -1 -rot Create proc,  
 DOES> ( -- addr )  : test  c_plus 2:1call ;
     [ 2 cells ] Literal + @ ;  
   \ 3 4 test
 : library ( "name" "file" -- )  
     \G loads library "file" and creates a proc defining word "name"  \ bigFORTH legacy library test
     \G library format:  
     \G    linked list of libraries  library libX11 libX11.so.6
     \G    library handle  
     \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 parse-word 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.1.2  
changed lines
  Added in v.1.34


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