version 1.2, 2003/08/16 19:46:11
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version 1.24, 2008/07/29 09:01:44
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\ lib.fs shared library support package 16aug03py |
\ lib.fs shared library support package 16aug03py |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ 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. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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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, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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\ replacements for former primitives |
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c-library fflib |
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s" avcall" add-lib |
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s" callback" add-lib |
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\c #include <avcall.h> |
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\c #include <callback.h> |
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\c static av_alist alist; |
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\c static va_alist gforth_clist; |
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\c static float frv; |
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\c static int irv; |
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\c static double drv; |
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\c static long long llrv; |
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\c static void * prv; |
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\c typedef void *Label; |
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\c typedef Label *Xt; |
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\c Label *gforth_engine(Xt *ip, Cell *sp, Cell *rp0, Float *fp, char *lp); |
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\c |
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\c void gforth_callback_ffcall(Xt* fcall, void * alist) |
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\c { |
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\c /* save global valiables */ |
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\c Cell *rp = gforth_RP; |
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\c Cell *sp = gforth_SP; |
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\c Float *fp = gforth_FP; |
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\c char *lp = gforth_LP; |
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\c va_alist clist = gforth_clist; |
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\c |
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\c gforth_clist = (va_alist)alist; |
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\c |
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\c gforth_engine(fcall, sp, rp, fp, lp); |
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\c |
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\c /* restore global variables */ |
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\c gforth_RP = rp; |
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\c gforth_SP = sp; |
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\c gforth_FP = fp; |
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\c gforth_LP = lp; |
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\c gforth_clist = clist; |
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\c } |
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\c #define av_start_void1(c_addr) av_start_void(alist, c_addr) |
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c-function av-start-void av_start_void1 a -- void |
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\c #define av_start_int1(c_addr) av_start_int(alist, c_addr, &irv) |
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c-function av-start-int av_start_int1 a -- void |
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\c #define av_start_float1(c_addr) av_start_float(alist, c_addr, &frv) |
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c-function av-start-float av_start_float1 a -- void |
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\c #define av_start_double1(c_addr) av_start_double(alist, c_addr, &drv) |
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c-function av-start-double av_start_double1 a -- void |
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\c #define av_start_longlong1(c_addr) av_start_longlong(alist, c_addr, &llrv) |
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c-function av-start-longlong av_start_longlong1 a -- void |
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\c #define av_start_ptr1(c_addr) av_start_ptr(alist, c_addr, void *, &prv) |
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c-function av-start-ptr av_start_ptr1 a -- void |
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\c #define av_int1(w) av_int(alist,w) |
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c-function av-int av_int1 n -- void |
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\c #define av_float1(r) av_float(alist,r) |
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c-function av-float av_float1 r -- void |
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\c #define av_double1(r) av_double(alist,r) |
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c-function av-double av_double1 r -- void |
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\c #define av_longlong1(d) av_longlong(alist,d) |
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c-function av-longlong av_longlong1 d -- void |
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\c #define av_ptr1(a) av_ptr(alist, void *, a) |
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c-function av-ptr av_ptr1 a -- void |
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\c #define av_call_void() av_call(alist) |
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c-function av-call-void av_call_void -- void |
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\c #define av_call_int() (av_call(alist), irv) |
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c-function av-call-int av_call_int -- n |
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\c #define av_call_float() (av_call(alist), frv) |
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c-function av-call-float av_call_float -- r |
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\c #define av_call_double() (av_call(alist), drv) |
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c-function av-call-double av_call_double -- r |
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\c #define av_call_longlong() (av_call(alist), llrv) |
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c-function av-call-longlong av_call_longlong -- d |
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\c #define av_call_ptr() (av_call(alist), prv) |
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c-function av-call-ptr av_call_ptr -- a |
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\c #define alloc_callback1(a_ip) alloc_callback(gforth_callback_ffcall, (Xt *)a_ip) |
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c-function alloc-callback alloc_callback1 a -- a |
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\c #define va_start_void1() va_start_void(gforth_clist) |
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c-function va-start-void va_start_void1 -- void |
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\c #define va_start_int1() va_start_int(gforth_clist) |
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c-function va-start-int va_start_int1 -- void |
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\c #define va_start_longlong1() va_start_longlong(gforth_clist) |
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c-function va-start-longlong va_start_longlong1 -- void |
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\c #define va_start_ptr1() va_start_ptr(gforth_clist, (char *)) |
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c-function va-start-ptr va_start_ptr1 -- void |
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\c #define va_start_float1() va_start_float(gforth_clist) |
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c-function va-start-float va_start_float1 -- void |
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\c #define va_start_double1() va_start_double(gforth_clist) |
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c-function va-start-double va_start_double1 -- void |
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\c #define va_arg_int1() va_arg_int(gforth_clist) |
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c-function va-arg-int va_arg_int1 -- n |
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\c #define va_arg_longlong1() va_arg_longlong(gforth_clist) |
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c-function va-arg-longlong va_arg_longlong1 -- d |
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\c #define va_arg_ptr1() va_arg_ptr(gforth_clist, char *) |
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c-function va-arg-ptr va_arg_ptr1 -- a |
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\c #define va_arg_float1() va_arg_float(gforth_clist) |
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c-function va-arg-float va_arg_float1 -- r |
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\c #define va_arg_double1() va_arg_double(gforth_clist) |
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c-function va-arg-double va_arg_double1 -- r |
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\c #define va_return_void1() va_return_void(gforth_clist) |
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c-function va-return-void1 va_return_void1 -- void |
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\c #define va_return_int1(w) va_return_int(gforth_clist,w) |
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c-function va-return-int1 va_return_int1 n -- void |
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\c #define va_return_ptr1(w) va_return_ptr(gforth_clist, void *, w) |
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c-function va-return-ptr1 va_return_ptr1 a -- void |
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\c #define va_return_longlong1(d) va_return_longlong(gforth_clist,d) |
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c-function va-return-longlong1 va_return_longlong1 d -- void |
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\c #define va_return_float1(r) va_return_float(gforth_clist,r) |
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c-function va-return-float1 va_return_float1 r -- void |
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\c #define va_return_double1(r) va_return_double(gforth_clist,r) |
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c-function va-return-double1 va_return_double1 r -- void |
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end-c-library |
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: av-int-r 2r> >r av-int ; |
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: av-float-r f@local0 lp+ av-float ; |
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: av-double-r f@local0 lp+ av-double ; |
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: av-longlong-r r> 2r> rot >r av-longlong ; |
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: av-ptr-r 2r> >r av-ptr ; |
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: va-return-void va-return-void1 0 (bye) ; |
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: va-return-int va-return-int1 0 (bye) ; |
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: va-return-ptr va-return-ptr1 0 (bye) ; |
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: va-return-longlong va-return-longlong1 0 (bye) ; |
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: va-return-float va-return-float1 0 (bye) ; |
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: va-return-double va-return-double1 0 (bye) ; |
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\ start of fflib proper |
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Variable libs 0 libs ! |
Variable libs 0 libs ! |
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\ links between libraries |
Variable thisproc |
Variable thisproc |
Variable thislib |
Variable thislib |
\G links between libraries |
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Variable revdec revdec off |
Variable revdec revdec off |
\ turn revdec on to compile bigFORTH libraries |
\ turn revdec on to compile bigFORTH libraries |
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Variable revarg revarg off |
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\ turn revarg on to compile declarations with reverse arguments |
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Variable legacy legacy off |
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\ turn legacy on to compile bigFORTH legacy libraries |
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Vocabulary c-decl |
Vocabulary c-decl |
Vocabulary cb-decl |
Vocabulary cb-decl |
Line 49 Vocabulary cb-decl
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Line 178 Vocabulary cb-decl
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swap 2 cells + dup @ A, ! |
swap 2 cells + dup @ A, ! |
0 , 0 A, ; |
0 , 0 A, ; |
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Defer legacy-proc ' noop IS legacy-proc |
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: proc: ( lib "name" -- ) |
: proc: ( lib "name" -- ) |
\G Creates a named proc stub |
\G Creates a named proc stub |
Create proc, 0 also c-decl |
Create proc, 0 also c-decl |
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legacy @ IF legacy-proc THEN |
DOES> ( x1 .. xn -- r ) |
DOES> ( x1 .. xn -- r ) |
dup cell+ @ swap 3 cells + >r ; |
dup cell+ @ swap 3 cells + >r ; |
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Variable ind-call ind-call off |
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: fptr ( "name" -- ) |
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Create here thisproc ! 0 , 0 , 0 , 0 also c-decl ind-call on |
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DOES> 3 cells + >r ; |
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: library ( "name" "file" -- ) |
: library ( "name" "file" -- ) |
\G loads library "file" and creates a proc defining word "name" |
\G loads library "file" and creates a proc defining word "name" |
\G library format: |
\G library format: |
\G linked list of libraries |
\G linked list of libraries |
\G library handle |
\G library handle |
\G linked list of library's procs |
\G linked list of library's procs |
\G OS name of library as counted string |
\G OS name of library as counted string |
Create here libs @ A, dup libs ! |
Create here libs @ A, dup libs ! |
0 , 0 A, bl sword string, @lib |
0 , 0 A, parse-name string, @lib |
DOES> ( -- ) dup thislib ! proc: ; |
DOES> ( -- ) dup thislib ! proc: ; |
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: init-shared-libs ( -- ) |
: init-shared-libs ( -- ) |
defers 'cold libs |
defers 'cold |
0 libs BEGIN @ dup WHILE dup REPEAT drop |
0 libs BEGIN |
BEGIN dup WHILE >r |
@ dup WHILE |
r@ @lib |
dup REPEAT |
r@ 2 cells + BEGIN @ dup WHILE r@ over @proc REPEAT |
drop BEGIN |
drop rdrop |
dup WHILE |
REPEAT drop ; |
>r |
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r@ @lib |
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r@ 2 cells + BEGIN |
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@ dup WHILE |
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r@ over @proc REPEAT |
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drop rdrop |
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REPEAT |
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drop ; |
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' init-shared-libs IS 'cold |
' init-shared-libs IS 'cold |
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: rettype ( endxt startxt "name" -- ) |
: argtype ( revxt pushxt fwxt "name" -- ) |
create immediate 2, |
Create , , , ; |
DOES> |
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: arg@ ( arg -- argxt pushxt ) |
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revarg @ IF 2 cells + @ ['] noop swap ELSE 2@ THEN ; |
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: arg, ( xt -- ) |
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dup ['] noop = IF drop EXIT THEN compile, ; |
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: decl, ( 0 arg1 .. argn call start -- ) |
2@ compile, >r |
2@ compile, >r |
revdec @ IF 0 >r |
revdec @ IF 0 >r |
BEGIN dup WHILE >r REPEAT drop |
BEGIN dup WHILE >r REPEAT |
BEGIN r> dup WHILE compile, REPEAT drop |
BEGIN r> dup WHILE arg@ arg, REPEAT drop |
ELSE |
BEGIN dup WHILE arg, REPEAT drop |
BEGIN dup WHILE compile, REPEAT drop |
ELSE 0 >r |
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BEGIN dup WHILE arg@ arg, >r REPEAT drop |
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BEGIN r> dup WHILE arg, REPEAT drop |
THEN |
THEN |
r> compile, postpone EXIT |
r> compile, postpone EXIT ; |
here thisproc @ 2 cells + ! bl sword s, |
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thislib @ thisproc @ @proc previous ; |
: symbol, ( "c-symbol" -- ) |
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here thisproc @ 2 cells + ! parse-name s, |
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thislib @ thisproc @ @proc ; |
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: rettype ( endxt startxt "name" -- ) |
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Create 2, |
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DOES> decl, ind-call @ 0= IF symbol, THEN |
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previous revarg off ind-call off ; |
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also c-decl definitions |
also c-decl definitions |
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' av-int AConstant int |
: <rev> revarg on ; |
' av-float AConstant sf |
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' av-double AConstant df |
' av-int ' av-int-r ' >r argtype int |
' av-longlong AConstant llong |
' av-float ' av-float-r ' f>l argtype sf |
' av-ptr AConstant ptr |
' av-double ' av-double-r ' f>l argtype df |
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' av-longlong ' av-longlong-r ' 2>r argtype dlong |
' av-call-void ' av-start-void rettype (void) |
' av-ptr ' av-ptr-r ' >r argtype ptr |
' av-call-int ' av-start-int rettype (int) |
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' av-call-float ' av-start-float rettype (sf) |
' av-call-void ' av-start-void rettype (void) |
' av-call-double ' av-start-double rettype (fp) |
' av-call-int ' av-start-int rettype (int) |
' av-call-longlong ' av-start-longlong rettype (llong) |
' av-call-float ' av-start-float rettype (sf) |
' av-call-ptr ' av-start-ptr rettype (ptr) |
' av-call-double ' av-start-double rettype (fp) |
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' av-call-longlong ' av-start-longlong rettype (dlong) |
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' av-call-ptr ' av-start-ptr rettype (ptr) |
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: (addr) postpone EXIT drop symbol, previous revarg off ; |
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previous definitions |
previous definitions |
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\ legacy interface for old library interface |
\ legacy support for old library interfaces |
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\ interface to old vararg stuff not implemented yet |
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also c-decl |
also c-decl |
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: (int...) ( n -- ) |
:noname ( n 0 -- 0 int1 .. intn ) |
>r ' execute r> 0 ?DO int LOOP |
legacy @ 0< revarg ! |
0 postpone Literal postpone ?DO postpone int postpone LOOP |
swap 0 ?DO int LOOP (int) |
postpone (int) ; |
; IS legacy-proc |
: (void...) ( n -- ) |
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>r ' execute r> 0 ?DO int LOOP |
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0 postpone Literal postpone ?DO postpone int postpone LOOP |
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postpone (void) ; |
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: (float...) ( n -- ) |
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>r ' execute r> 0 ?DO df LOOP |
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0 postpone Literal postpone ?DO postpone df postpone LOOP |
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postpone (fp) ; |
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: (int) ( n -- ) |
: (int) ( n -- ) |
>r ' execute r> 0 ?DO int LOOP postpone (int) ; |
>r ' execute r> 0 ?DO int LOOP (int) ; |
: (void) ( n -- ) |
: (void) ( n -- ) |
>r ' execute r> 0 ?DO int LOOP postpone (void) ; |
>r ' execute r> 0 ?DO int LOOP (void) ; |
: (float) ( n -- ) |
: (float) ( n -- ) |
>r ' execute r> 0 ?DO df LOOP postpone (fp) ; |
>r ' execute r> 0 ?DO df LOOP (fp) ; |
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previous |
previous |
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Line 142 Variable callbacks
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Line 300 Variable callbacks
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Create 0 ] postpone >r also cb-decl |
Create 0 ] postpone >r also cb-decl |
DOES> |
DOES> |
Create here >r 0 , callbacks @ A, r@ callbacks ! |
Create here >r 0 , callbacks @ A, r@ callbacks ! |
swap postpone Literal compile, postpone EXIT |
swap postpone Literal postpone call , postpone EXIT |
r> dup cell+ cell+ alloc-callback swap ! |
r> dup cell+ cell+ alloc-callback swap ! |
DOES> @ ; |
DOES> @ ; |
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Line 169 also cb-decl definitions
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Line 327 also cb-decl definitions
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' va-arg-int Alias int |
' va-arg-int Alias int |
' va-arg-float Alias sf |
' va-arg-float Alias sf |
' va-arg-double Alias df |
' va-arg-double Alias df |
' va-arg-longlong Alias llong |
' va-arg-longlong Alias dlong |
' va-arg-ptr Alias ptr |
' va-arg-ptr Alias ptr |
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' va-return-void ' va-start-void va-ret (void) |
' va-return-void ' va-start-void va-ret (void) |
' va-return-int ' va-start-int va-ret (int) |
' va-return-int ' va-start-int va-ret (int) |
' va-return-float ' va-start-float va-ret (sf) |
' va-return-float ' va-start-float va-ret (sf) |
' va-return-double ' va-start-double va-ret (fp) |
' va-return-double ' va-start-double va-ret (fp) |
' va-return-longlong ' va-start-longlong va-ret (llong) |
' va-return-longlong ' va-start-longlong va-ret (dlong) |
' va-return-ptr ' va-start-ptr va-ret (ptr) |
' va-return-ptr ' va-start-ptr va-ret (ptr) |
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previous definitions |
previous definitions |
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\ testing stuff |
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[ifdef] testing |
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library libc /lib/libc.so.6 |
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libc sleep int (int) sleep |
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libc open int int ptr (int) open |
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libc lseek int llong int (llong) lseek |
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libc read int ptr int (int) read |
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libc close int (int) close |
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library libm /lib/libm.so.6 |
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libm fmodf sf sf (sf) fmodf |
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libm fmod df df (fp) fmod |
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callback wincall (int) int int int int callback; |
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:noname ( a b c d -- e ) 2drop 2drop 0 ; wincall do_timer |
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[then] |
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