--- gforth/lib.fs 1998/12/08 22:02:46 1.4 +++ gforth/lib.fs 2003/08/16 19:46:11 1.8 @@ -1,6 +1,6 @@ \ lib.fs shared library support package 11may97py -\ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -16,107 +16,11 @@ \ You should have received a copy of the GNU General Public License \ 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. -Create icall-table - ] icall0 ;s icall1 ;s icall2 ;s icall3 ;s icall4 ;s icall5 ;s icall6 ;s - NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap - NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap icall20 ;s [ -Create fcall-table - ] fcall0 ;s fcall1 ;s fcall2 ;s fcall3 ;s fcall4 ;s fcall5 ;s fcall6 ;s - NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap - NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap fcall20 ;s [ - -Variable libs 0 libs ! -\G links between libraries - -: @lib ( lib -- ) - \G obtains library handle - cell+ dup 2 cells + count open-lib - dup 0= abort" Library not found" swap ! ; - -: @proc ( lib addr -- ) - \G obtains symbol address - cell+ tuck 2 cells + count rot cell+ @ - lib-sym dup 0= abort" Proc not found!" swap cell+ ! ; - -: proc, ( pars type lib addr -- ) - \G allocates and initializes proc stub - \G stub format: - \G linked list in library - \G address of proc - \G offset in lcall1-table to call proc - \G OS name of symbol as counted string - here 2dup swap 2 cells + dup @ A, ! - 2swap 1 and IF fcall-table ELSE icall-table THEN swap - cells 2* + , 0 , bl sword string, @proc ; - --1 Constant (addr) - 0 Constant (int) - 1 Constant (float) - 2 Constant (void) - 4 Constant (int...) - 5 Constant (float...) - 6 Constant (void...) - -: proc: ( pars type lib "name" "string" -- ) - \G Creates a named proc stub - Create proc, -DOES> ( x1 .. xn -- r ) - cell+ 2@ >r ; - -: vaproc: ( pars type lib "name" "string" -- ) - \G Creates a named proc stub with variable arguments - Create proc, -DOES> ( x1 .. xn n -- r ) - cell+ 2@ rot 2* cells + >r ; - -: (>void) >r ; - -: vproc: ( pars type lib "name" "string" -- ) - \G Creates a named proc stub for void functions - Create proc, -DOES> ( x1 .. xn -- ) - cell+ 2@ (>void) drop ; - -: vvaproc: ( pars type lib "name" "string" -- ) - \G Creates a named proc stub with variable arguments, void return - Create proc, -DOES> ( x1 .. xn n -- ) - cell+ 2@ rot 2* cells + (>void) drop ; - -: label: ( type lib "name" "string" -- ) - \G Creates a named label stub - -1 -rot Create proc, -DOES> ( -- addr ) - [ 2 cells ] Literal + @ ; - -: library ( "name" "file" -- ) - \G loads library "file" and creates a proc defining word "name" - \G library format: - \G linked list of libraries - \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 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 ; +[IFDEF] av-call-int + include fflib.fs +[ELSE] + include oldlib.fs +[THEN] -' init-shared-libs IS 'cold